CN104101040B - Efficient and energy-saving water-electricity air-conditioning system and control method thereof - Google Patents
Efficient and energy-saving water-electricity air-conditioning system and control method thereof Download PDFInfo
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- CN104101040B CN104101040B CN201410370726.4A CN201410370726A CN104101040B CN 104101040 B CN104101040 B CN 104101040B CN 201410370726 A CN201410370726 A CN 201410370726A CN 104101040 B CN104101040 B CN 104101040B
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Abstract
The invention provides an efficient and energy-saving water-electricity air-conditioning system and a control method thereof. The efficient and energy-saving water-electricity air-conditioning system a hydropower station deep reservoir water supplying and returning system, a fresh air handling unit, a cold and hot water unit, a terminal unit, a pipeline system and a control system; the pipeline control system comprises a heat preserving water supplying pipe and a draining pipe; one end of the heat preserving water supplying pipe is soaked in water at a hydropower station deep reservoir of the hydropower station deep reservoir water supplying and returning system, and while the other end of the heat preserving water supplying pipe is connected with the fresh air handling unit, the cold and hot water unit and the terminal unit; one end of the draining pipe is connected with the fresh air handling unit, the cold and hot water unit and the terminal unit. According to the efficient and energy-saving water-electricity air-conditioning system with the improved structure above, the unreasonable design of air conditioners in the prior art is removed; the unique hydropower station deep reservoir of a hydropower station is used as a cold resource or refrigerating or a heat source for supplying heat of the air conditioning system according to the local conditions; in addition, the advanced control method is provided; the characteristics like reasonable design, high efficiency, energy conservation, high water temperature control precision, stable water outlet temperature, high comfort in use, energy conservation, and reduction of environmental pollution are brought.
Description
Technical field
The present invention relates to a kind of water power air-conditioning system, specifically a kind of energy-efficient water power air-conditioning system and its controlling party
Method.
Background technology
Power station has advantageous renewable resource deep layer thermostated reservoir water, the water body of this deep layer thermostated reservoir water
Throughout the year between 7～25 DEG C (15～25 DEG C of summer, 7～15 DEG C of winter), the reservoir water of this temperature is quite suitable for air-conditioning to temperature
Energy saving of system is applied, if obtaining good application, can save the required electric energy of power station heating ventilation air-conditioning system operating in a large number.
But, most of power stations air-conditioning system still presses traditional thinking and design at present, with other buildings one
Sample, is designed to general common air-conditioning system, and such as commonly air-cooled cold (hot) water dispenser group adds end or common water cooled chiller adds
The central air conditioner system of end, its operational efficiency is low, energy consumption is big.The design of this system does not account for power station uniqueness completely
Environment and resource, only consider how to realize air-conditioning system, and do not consider to realize asking of air conditioner energy saving using unique environments and resource
Topic, thus lead to power station to keep inexhaustible renewable resource without and the cooling using other not energy-conservations
Or mode of heating.The common air-conditioning system of these types of cooling it is impossible to meet " energy-saving and emission-reduction " policy that country advocates at present, with
And the requirement of construction of energy economizing type, friendly environment society.Therefore, it is necessary to improve further.
Content of the invention
The purpose of the present invention aim to provide a kind of reasonable in design, energy-efficient, water temperature control accuracy is high, leaving water temperature is steady
Calmly, comfort height, energy saving, the energy-efficient water power air-conditioning system reducing environmental pollution and its control method, with
Overcome weak point of the prior art.
By a kind of energy-efficient water power air-conditioning system of this purpose design, supply backwater system including power station deep layer reservoir water
System it is characterised in that: also include Fresh air handling units, water chiller-heater unit, end unit, pipe-line system and control system；Wherein, pipeline
System includes being incubated feed pipe and drainpipe, and one end of insulation feed pipe is immersed in power station deep layer reservoir water water supply and return system
In the deep layer reservoir water of power station, the other end is connected with Fresh air handling units, water chiller-heater unit and end unit, one end of drainpipe with
Fresh air handling units, water chiller-heater unit and end unit connect.
Described power station deep layer reservoir water water supply and return system is direct supply formula and indirectly supply formula and can be according to water quality feelings
Condition is selected；
Described direct supply formula includes being successively set on the water suction screen pack of insulation feed pipe one end, suction pump, non-return
Valve, dirt separator, electric water treatment device, y type filter and water supply outlet valve；
Described indirect supply formula includes being successively set on the water suction screen pack of insulation feed pipe one end, suction pump, non-return
Valve, dirt separator, electric water treatment device, y type filter, water supply outlet valve, plate type heat exchanger, water circulating pump and circulating-water valve.
Described water chiller-heater unit includes compressor, shell-tube evaporator, expansion valve and Shell-tube Condenser；
Pipe-line system includes fresh air coil pipe back-water valve (BWV), fresh air coil pipe water intaking valve, end unit fresh air coil pipe back-water valve (BWV), end
Unit fresh air coil pipe water intaking valve, using side water pump, check-valves, cold heat medium water feed pipe, cold heat medium water return pipe and power and energy
Water valve；
Control system includes electric control box, reservoir supply water temperature sensor, backwater of reservoir temperature sensor, chilled water send
Water temperature sensor, chilled water return water temperature sensor, Fresh air handling units fresh air temperature sensor, Fresh air handling units wind pushing temperature sensing
Device, end unit fresh air temperature sensor, end unit return air temperature sensor, end unit blasting air temperature sensor, sensing
Device data collecting system, central controller system and display operating system.
The other end of described insulation feed pipe divides the first pipeline, the second pipeline, the 3rd pipeline, the 4th pipeline, the 5th pipe
Road and the 6th pipeline；
First pipeline is connected and in parallel with the second pipeline with cold heat medium water return pipe；First power and energy water valve and the 3rd
Power and energy water valve is serially connected in the first pipeline, and the second power and energy water valve and the 4th power and energy water valve concatenate the second pipeline
In；The water side of Shell-tube Condenser is accessed between five-function conversion water valve and seven power and energy water valves, the going out of shell-tube evaporator
Water end (W.E.) accesses between the 6th power and energy water valve and the 8th power and energy water valve；
One end of drainpipe is connected with one end of the 3rd pipeline, the other end of the 3rd pipeline and cold heat medium water feed pipe phase
Connect；4th pipeline is in parallel with the 3rd pipeline；Five-function conversion water valve and the 7th power and energy water valve are serially connected in the 3rd pipeline,
6th power and energy water valve and the 8th power and energy water valve are serially connected in the 4th pipeline；The water inlet end of Shell-tube Condenser accesses second
Between power and energy water valve and the 4th power and energy water valve, the water inlet end of shell-tube evaporator accesses the first power and energy water valve and the
Between three power and energy water valves；
One end of 5th pipeline is connected with one end of drainpipe, and the other end is connected with cold heat medium water return pipe, the 9th function
Conversion water valve is serially connected in the 5th pipeline, and the tenth power and energy water valve is serially connected in the 6th pipeline；
It is serially connected in cold heat medium water return pipe using side water pump and check-valves；
Reservoir supply water temperature sensor is serially connected in insulation feed pipe, and backwater of reservoir temperature sensor is serially connected in drainpipe
In；
Chilled water send water temperature sensor to be serially connected in cold heat medium water feed pipe, and chilled water return water temperature sensor is serially connected in
In cold heat medium water return pipe.
Described 5th pipeline is arranged with the 7th pipeline and the 8th pipeline with the connection end of drainpipe；7th pipeline, the 8th pipe
Road is connected with Fresh air handling units and end unit respectively；
Fresh air handling units air-valve that described Fresh air handling units include setting gradually, Fresh air handling units filter, Fresh air handling units precooling
Coil pipe, Fresh air handling units surface cooler and Fresh air handling units pressure fan；
Described end unit includes hybrid filtering section, surface air cooler and manger board segment, air-treatment section and air supply section；Wherein, mix
The side of fillter section is disposed with fresh air air-valve, new wind filter and end unit desuperheating coil, and opposite side is provided with return air
Air-valve, surface air cooler and manger board segment is provided with end unit surface cooler, and air supply section is provided with end unit blasting air machine.
Described 7th pipeline is connected with the water inlet end of Fresh air handling units desuperheating coil, the water side of Fresh air handling units desuperheating coil with
Insulation feed pipe connects；
The water inlet end of Fresh air handling units surface cooler is connected with cold heat medium water feed pipe, water side and cold heat medium water return pipe phase
Connect；
8th pipeline is connected with the water inlet end of end unit desuperheating coil, the water side of end unit desuperheating coil and insulation
Feed pipe connects；
The water inlet end of end unit surface cooler is connected with cold heat medium water feed pipe, water side and cold heat medium water return pipe phase
Connect.
Described wind coil pipe back-water valve (BWV) is serially connected in the water side of Fresh air handling units desuperheating coil；
Fresh air coil pipe water intaking valve is serially connected in the water inlet end of Fresh air handling units desuperheating coil；
End unit fresh air coil pipe back-water valve (BWV) is serially connected in the water side of end unit desuperheating coil；
End unit fresh air coil pipe water intaking valve is serially connected in the water inlet end of end unit desuperheating coil；
Fresh air handling units fresh air temperature sensor is serially connected in Fresh air handling units air-valve；
Fresh air handling units wind pushing temperature sensor is serially connected in Fresh air handling units pressure fan；
End unit fresh air temperature sensor is serially connected in fresh air air-valve；
End unit return air temperature sensor is serially connected in return air air-valve；
End unit blasting air temperature sensor is serially connected in the unit blasting air machine of end.
A kind of energy-efficient water power air conditioner system control method, including above-mentioned water power air-conditioning system it is characterised in that
Described: control system requires according to the input design temperature of display operating system, gathered real by sensor data acquisition system
Border operating reservoir supply water temperature, backwater of reservoir temperature, chilled water send coolant-temperature gage, chilled water return water temperature, Fresh air handling units new
Air temperature, Fresh air handling units wind pushing temperature, the new air temperature of end unit, end unit return air temperature, end unit blasting air temperature
Data, automatically calculates and controls suction pump, water circulating pump, uses side water pump, Fresh air handling units, water chiller-heater unit, end unit, work(
Water valve and fresh air coil pipe back-water valve (BWV), fresh air coil pipe water intaking valve, end unit fresh air coil pipe back-water valve (BWV), end unit fresh air can be changed
Coil pipe water intaking valve works.
This water power air-conditioning system described possesses transition season and winter natural cooling energy saver mode, summer pre-cooling of fresh air energy-conservation
Pattern, cooling in summer energy saver mode and four energy conservation models of winter heating energy saver mode, each energy conservation model passes through
Manual switching, or send coolant-temperature gage to be automatically switched according to the chilled water of new air temperature and setting；
Described transition season and winter natural cooling energy saver mode, the 9th power and energy water valve and the tenth power and energy water
Valve is opened, and remaining power and energy water valve cuts out, and now, air-conditioning carries out natural cooling energy-conservation fortune using power station deep layer reservoir water
OK；
Described summer pre-cooling of fresh air energy saver mode, fresh air coil pipe back-water valve (BWV), fresh air coil pipe water intaking valve, end unit fresh air
Coil pipe back-water valve (BWV), end unit fresh air coil pipe water intaking valve are opened, and now, it is cold that air-conditioning carries out nature using power station deep layer reservoir water
But, to pre-cooling of fresh air；
Described winter heating energy saver mode, the first power and energy water valve, the 4th power and energy water valve, the 6th power and energy
Water valve, the 7th power and energy water valve are opened, and remaining power and energy water valve cuts out, and now, air-conditioning utilizes the water power of winter higher temperatures
Deep layer of standing reservoir water, as the thermal source of water chiller-heater unit, lifts the refrigeration efficiency ratio of air-conditioning；
Described cooling in summer energy saver mode, the second power and energy water valve, the 3rd power and energy water valve, five-function conversion
Water valve, the 8th power and energy water valve are opened, and remaining power and energy water valve cuts out, and now, air-conditioning utilizes the water power that summer is compared with low temperature
Deep layer of standing reservoir water, as the low-temperature receiver of water chiller-heater unit, lifts the heating energy efficiency ratio of air-conditioning.
Described Fresh air handling units fresh air temperature sensor, the actual temperature of end unit fresh air temperature sensor measurement are more than the
One design temperature, and fresh air actual temperature is more than design temperature difference with the difference of reservoir supply water temperature sensor test temperature
During the first setting difference, fresh air coil pipe back-water valve (BWV), fresh air coil pipe water intaking valve, end unit fresh air coil pipe back-water valve (BWV), end unit
Fresh air coil pipe water intaking valve is opened, and air-conditioning enters summer pre-cooling of fresh air energy saver mode and runs；
Fresh air handling units fresh air temperature sensor, the actual temperature of end unit fresh air temperature sensor measurement set less than second
Constant temperature degree, and fresh air actual temperature is more than the second of design temperature difference with the difference of reservoir supply water temperature sensor test temperature
When setting difference, fresh air coil pipe back-water valve (BWV), fresh air coil pipe water intaking valve, end unit fresh air coil pipe back-water valve (BWV), end unit fresh air
Coil pipe water intaking valve is closed, and air-conditioning stops summer pre-cooling of fresh air energy saver mode and runs；
When cold heat medium water send coolant-temperature gage setting value to be more than three set temperature value, the second power and energy water valve, the 3rd function
Conversion water valve, five-function conversion water valve, the 8th power and energy water valve are opened, and remaining power and energy water valve cuts out, and air-conditioning enters
Cooling in summer energy saver mode runs；
Cold heat medium water send coolant-temperature gage setting value be less than four set temperature value when, and cold heat medium water send coolant-temperature gage setting value with
When the difference of reservoir supply water temperature sensor test temperature is more than the 3rd setting difference of design temperature difference, the 9th power and energy
Water valve and the tenth power and energy water valve are opened, and remaining power and energy water valve cuts out, and air-conditioning enters transition season and winter is naturally cold
But energy saver mode runs；
Cold heat medium water send coolant-temperature gage setting value be less than four set temperature value when, and cold heat medium water send coolant-temperature gage setting value with
When the difference of reservoir supply water temperature sensor test temperature is less than the 4th setting difference of design temperature difference, the first power and energy
Water valve, the 4th power and energy water valve, the 6th power and energy water valve, the 7th power and energy water valve are opened, remaining power and energy water valve
Close, air-conditioning enters winter heating energy saver mode and runs.
Power station deep layer reservoir water is that power station is advantageous, and this power station deep layer reservoir water refers to depth in the water surface 5
Rice below water, its water temperature throughout the year between 7～25 DEG C, 15～25 DEG C of summer, 7～15 DEG C of winter, either winter or the summer
In season, water temperature fluctuation range is little more than ambient air temperature, is very suitable for the low temperature of power station air-conditioner set winter heating
Thermal source and the low-temperature receiver of cooling in summer.
The improvement by said structure for the present invention, has abandoned existing general common air-conditioning system and has not considered power station uniqueness ring
The unreasonable part of design of border and resource, suit measures to local conditions by the use of the advantageous power station in power station deep layer reservoir water as sky
The low-temperature receiver of adjusting system refrigeration or the thermal source of heating, make that air-conditioning possesses transition season and winter natural cooling energy saver mode, winter adopt
The energy conservation models such as warm energy saver mode, cooling in summer energy saver mode, summer fresh air natural cooling precooling energy saver mode.In reservoir
When coolant-temperature gage is suitable for natural cooling, automatically cooled down using natural cooling source, save air-conditioner host and run power consumption；In reservoir
When coolant-temperature gage is not suitable for natural cooling, using power station deep layer reservoir water, during refrigerating operaton, reduce the condensation of air-conditioner host
Temperature, lifts the evaporating temperature of air-conditioner host, the whole machine Energy Efficiency Ratio of lifting air-conditioner host, energy saving during heating operation.
The invention by the way of natural cooling is combined with highly effective refrigeration, with common air-to-water heat pump
Plus end or common water cooled chiller add the central air conditioner system of end and compare, shorten the opening time of air-conditioner host,
Reduce the condensation temperature of air-conditioner host, the evaporating temperature of lifting main frame, save cooling tower, improve main frame operational efficiency, greatly
While big saving energy consumption, also improve the feature of environmental protection.It has, and reasonable in design, energy-efficient, water temperature control accuracy is high, go out water temperature
Degree is stable, comfort height, energy saving, the features such as reduce environmental pollution, meet the national energy-saving and emission-reduction political affairs advocated at present
Plan, has important economy and social effect, is worth promoting.
Brief description
Fig. 1 is operation principle and the control principle structural representation of one embodiment of the invention.
Fig. 2 is the electric control system structural representation of one embodiment of the invention.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
Referring to Fig. 1, Fig. 2, an energy-efficient water power air-conditioning system, including power station deep layer reservoir water water supply and return system,
Also include Fresh air handling units, water chiller-heater unit, end unit, pipe-line system and control system；Wherein, pipe-line system includes
Insulation feed pipe and drainpipe, one end of insulation feed pipe is immersed in the power station of power station deep layer reservoir water water supply and return system
In deep layer reservoir water 10, the other end is connected with Fresh air handling units, water chiller-heater unit and end unit, one end of drainpipe
Connect with Fresh air handling units, water chiller-heater unit and end unit.
Power station deep layer reservoir water water supply and return system is direct supply formula and indirectly supply formula and can be according to water quality situation
Selected.
Described direct supply formula, also will power station deep layer reservoir water 10 directly as Cooling and Heat Source carrier, directly supply
Water power air-conditioning system is answered to use, it includes being successively set on the water suction screen pack 11 of insulation feed pipe one end, suction pump 12, non-return
Valve 13, dirt separator 15, electric water treatment device 16, y type filter 17 and water supply outlet valve 18.
Described indirect supply formula, also will power station deep layer reservoir water 10 as Cooling and Heat Source, pass through with intermediary water
Plate type heat exchanger j1 carries out heat exchange, and Cooling and Heat Source is exchanged to intermediary water, re-supplies water power air-conditioning system and uses, it includes
It is successively set on the insulation water suction screen pack 11 of feed pipe one end, suction pump 12, check-valves 13, dirt separator 15, electronics water process
Instrument 16, y type filter 17, water supply outlet valve 18, plate type heat exchanger j1, water circulating pump j2 and circulating-water valve j3.
Water chiller-heater unit includes compressor 31, shell-tube evaporator 32, expansion valve 33, Shell-tube Condenser 34；
Pipe-line system includes fresh air coil pipe back-water valve (BWV) 50, fresh air coil pipe water intaking valve 51, end unit fresh air coil pipe back-water valve (BWV)
52nd, end unit fresh air coil pipe water intaking valve 53, returned using side water pump 54, check-valves 55, cold heat medium water feed pipe a, cold heat medium water
Water pipe b, power and energy water valve f1～f10；
Control system includes electric control box 61, reservoir supply water temperature sensor 62, backwater of reservoir temperature sensor 63, cold
Matchmaker's water send water temperature sensor 64, chilled water return water temperature sensor 65, Fresh air handling units fresh air temperature sensor 66, Fresh air handling units
Wind pushing temperature sensor 67, end unit fresh air temperature sensor 68, end unit return air temperature sensor 69, end unit send
Air temperature sensor 610, sensor data acquisition system 611, central controller system 612, display operating system 613.
The other end of described insulation feed pipe divides the first pipeline 101, the second pipeline 102, the 3rd pipeline 103, the 4th pipe
Road 104, the 5th pipeline 105 and the 6th pipeline 106；
Wherein, the first pipeline 101 is connected and in parallel with the second pipeline 102 with cold heat medium water return pipe b；First function turns
Change water valve f1 and the 3rd power and energy water valve f3 to be serially connected in the first pipeline 101, the second power and energy water valve f2 and the 4th function
Conversion water valve f4 concatenates in the second pipeline 102；Five-function conversion water valve f5 and seven work(are accessed in the water side of Shell-tube Condenser 34
Can change between water valve f7, the 6th power and energy water valve f6 and the 8th power and energy water valve are accessed in the water side of shell-tube evaporator 32
Between f8；
One end of drainpipe is connected with one end of the 3rd pipeline 103, and the other end of the 3rd pipeline 103 is supplied water with cold heat medium water
Pipe a connects；4th pipeline 104 is in parallel with the 3rd pipeline 103；Five-function conversion water valve f5 and the 7th power and energy water valve f7 string
It is connected in the 3rd pipeline 103, the 6th power and energy water valve f6 and the 8th power and energy water valve f8 are serially connected in the 4th pipeline 104；
The water inlet end of Shell-tube Condenser 34 accesses between the second power and energy water valve f2 and the 4th power and energy water valve f4, shell-tube evaporator
32 water inlet end accesses between the first power and energy water valve f1 and the 3rd power and energy water valve f3；
One end of 5th pipeline 105 is connected with one end of drainpipe, and the other end is connected with cold heat medium water return pipe b, and the 9th
Power and energy water valve f9 is serially connected in the 5th pipeline 105, and the tenth power and energy water valve f10 is serially connected in the 6th pipeline 106；
It is serially connected in cold heat medium water return pipe b using side water pump 54 and check-valves 55；
Reservoir supply water temperature sensor 62 is serially connected in insulation feed pipe, and backwater of reservoir temperature sensor 63 is serially connected in draining
Guan Zhong；
Chilled water send water temperature sensor 64 to be serially connected in cold heat medium water feed pipe a, chilled water return water temperature sensor 65
It is serially connected in cold heat medium water return pipe b.
5th pipeline 105 is arranged with the 7th pipeline 107 and the 8th pipeline 108 with the connection end of drainpipe；7th pipeline
107th, the 8th pipeline 108 is connected with Fresh air handling units and end unit respectively；
Described Fresh air handling units are configured with Fresh air handling units desuperheating coil 23 and Fresh air handling units surface cooler 24, and Fresh air handling units are pre-
Cooling coil 23 water receiving power station deep layer reservoir water 10 or intermediary water, for summer pre-cooling of fresh air, Fresh air handling units surface cooler 24 connects
Cold heat medium water is used for cooling or heat supply；Specifically, Fresh air handling units include the Fresh air handling units air-valve 21 setting gradually, new blower fan
Set filter 22, Fresh air handling units desuperheating coil 23, Fresh air handling units surface cooler 24 and Fresh air handling units pressure fan 25；
Described end unit is configured with end unit desuperheating coil 44 and end unit surface cooler 47, and end unit is pre-
Cooling coil 44 water receiving power station deep layer reservoir water 10 or intermediary water, for summer pre-cooling of fresh air, end unit desuperheating coil 44
Connect cold heat medium water for cooling or heat supply；Specifically, end unit includes hybrid filtering section 45, surface air cooler and manger board segment 46, sky
Gas disposal section 48 and air supply section 49；Wherein, the side of hybrid filtering section 45 is disposed with fresh air air-valve 42, new wind filter
(43) and end unit desuperheating coil 44, opposite side is provided with return air air-valve 41, surface air cooler and manger board segment 46 is provided with end unit
Surface cooler 47, air supply section 49 is provided with end unit blasting air machine.
More particularly, the 7th pipeline 107 is connected with the water inlet end of Fresh air handling units desuperheating coil 23, the pre- cold dish of Fresh air handling units
The water side of pipe 23 is connected with insulation feed pipe；
The water inlet end of Fresh air handling units surface cooler 24 is connected with cold heat medium water feed pipe a, water side and cold heat medium water return pipe b
Connect；
8th pipeline 108 is connected with the water inlet end of end unit desuperheating coil 44, the water outlet of end unit desuperheating coil 44
End is connected with insulation feed pipe；
The water inlet end of end unit surface cooler 47 is connected with cold heat medium water feed pipe a, water side and cold heat medium water return pipe b
Connect.
In said structure, wind coil pipe back-water valve (BWV) 50 is serially connected in the water side of Fresh air handling units desuperheating coil 23；
Fresh air coil pipe water intaking valve 51 is serially connected in the water inlet end of Fresh air handling units desuperheating coil 23；
End unit fresh air coil pipe back-water valve (BWV) 52 is serially connected in the water side of end unit desuperheating coil 44；
End unit fresh air coil pipe water intaking valve 53 is serially connected in the water inlet end of end unit desuperheating coil 44；
Fresh air handling units fresh air temperature sensor 66 is serially connected in Fresh air handling units air-valve 21；
Fresh air handling units wind pushing temperature sensor 67 is serially connected in Fresh air handling units pressure fan 25；
End unit fresh air temperature sensor 68 is serially connected in fresh air air-valve 42；
End unit return air temperature sensor 69 is serially connected in return air air-valve 41；
End unit blasting air temperature sensor 610 is serially connected in the unit blasting air machine of end.
A kind of energy-efficient water power air conditioner system control method, including above-mentioned water power air-conditioning system, described control
System requires according to the input design temperature of display operating system 613, gathers actual fortune by sensor data acquisition system 611
Reservoir supply water temperature in row, backwater of reservoir temperature, chilled water send coolant-temperature gage, chilled water return water temperature, the new wind-warm syndrome of Fresh air handling units
Degree, Fresh air handling units wind pushing temperature, the new air temperature of end unit, end unit return air temperature, the data of end unit blasting air temperature,
Automatically suction pump 12, water circulating pump j2 calculated and controlled, side water pump 54, Fresh air handling units, water chiller-heater unit, end machine used
Group, power and energy water valve f1～f10 and fresh air coil pipe back-water valve (BWV) 50, fresh air coil pipe water intaking valve 51, end unit fresh air coil pipe
Back-water valve (BWV) 52, end unit fresh air coil pipe water intaking valve 53 work it is ensured that ensureing power station in the way of energy-conservation at any time
Temperature requirements in air-conditioned room.
Specifically, this water power air-conditioning system possesses transition season and winter natural cooling energy saver mode, summer fresh air are pre-
Cold energy saver mode, cooling in summer energy saver mode and four energy conservation models of winter heating energy saver mode, each energy-saving run mould
Formula manually switches, or send coolant-temperature gage to be automatically switched according to the chilled water of new air temperature and setting；
Described transition season and winter natural cooling energy saver mode, the 9th power and energy water valve f9 and the tenth power and energy
Water valve f10 opens, and remaining power and energy water valve cuts out, and now, air-conditioning carries out natural cooling using power station deep layer reservoir water 10
Energy-saving run；
Described summer pre-cooling of fresh air energy saver mode, fresh air coil pipe back-water valve (BWV) 50, fresh air coil pipe water intaking valve 51, end unit
Fresh air coil pipe back-water valve (BWV) 52, end unit fresh air coil pipe water intaking valve 53 are opened, and now, air-conditioning utilizes power station deep layer reservoir water 10
Carry out natural cooling, to pre-cooling of fresh air；
Described winter heating energy saver mode, the first power and energy water valve f1, the 4th power and energy water valve f4, the 6th function
Conversion water valve f6, the 7th power and energy water valve f7 open, and remaining power and energy water valve cuts out, and now, air-conditioning utilizes winter higher
The power station deep layer reservoir water 10 of temperature is as the thermal source of water chiller-heater unit, the refrigeration efficiency ratio of lifting air-conditioning；
Described cooling in summer energy saver mode, the second power and energy water valve f2, the 3rd power and energy water valve f3, five-function
Conversion water valve f5, the 8th power and energy water valve f8 open, and remaining power and energy water valve cuts out, and now, air-conditioning utilizes summer relatively low
The power station deep layer reservoir water 10 of temperature is as the low-temperature receiver of water chiller-heater unit, the heating energy efficiency ratio of lifting air-conditioning.
More particularly, Fresh air handling units fresh air temperature sensor 66, the reality of end unit fresh air temperature sensor 68 measurement
Border temperature is more than the first design temperature, and fresh air actual temperature is more than with the difference of reservoir supply water temperature sensor 62 test temperature
During the first setting difference of design temperature difference, fresh air coil pipe back-water valve (BWV) 50, fresh air coil pipe water intaking valve 51, end unit fresh air disk
Pipe back-water valve (BWV) 52, end unit fresh air coil pipe water intaking valve 53 are opened, and air-conditioning enters summer pre-cooling of fresh air energy saver mode and runs；
Fresh air handling units fresh air temperature sensor 66, the actual temperature of end unit fresh air temperature sensor 68 measurement are less than the
Two design temperatures, and fresh air actual temperature is more than design temperature difference with the difference of reservoir supply water temperature sensor 62 test temperature
Second setting difference when, fresh air coil pipe back-water valve (BWV) 50, fresh air coil pipe water intaking valve 51, end unit fresh air coil pipe back-water valve (BWV) 52,
End unit fresh air coil pipe water intaking valve 53 is closed, and air-conditioning stops summer pre-cooling of fresh air energy saver mode and runs；
When cold heat medium water send coolant-temperature gage setting value to be more than three set temperature value, the second power and energy water valve f2, the 3rd work(
Water valve f3 can be changed, five-function conversion water valve f5, the 8th power and energy water valve f8 open, remaining power and energy water valve cuts out,
Air-conditioning enters cooling in summer energy saver mode and runs；
Cold heat medium water send coolant-temperature gage setting value be less than four set temperature value when, and cold heat medium water send coolant-temperature gage setting value with
When the difference of reservoir supply water temperature sensor 62 test temperature is more than the 3rd setting difference of design temperature difference, the 9th function turns
Change water valve f9 and the tenth power and energy water valve f10 to open, remaining power and energy water valve cuts out, air-conditioning enters transition season and winter
Natural cooling energy saver mode runs；
Cold heat medium water send coolant-temperature gage setting value be less than four set temperature value when, and cold heat medium water send coolant-temperature gage setting value with
When the difference of reservoir supply water temperature sensor 62 test temperature is less than the 4th setting difference of design temperature difference, the first function turns
Change water valve f1, the 4th power and energy water valve f4, the 6th power and energy water valve f6, the 7th power and energy water valve f7 unlatching, its complementary work
Water valve can be changed close, air-conditioning enters winter heating energy saver mode and runs.
Power station deep layer reservoir water is that power station is advantageous, and this power station deep layer reservoir water refers to depth in the water surface 5
Rice below water, its water temperature throughout the year between 7～25 DEG C, 15～25 DEG C of summer, 7～15 DEG C of winter, either winter or the summer
In season, water temperature fluctuation range is little more than ambient air temperature, is very suitable for the low temperature of power station air-conditioner set winter heating
Thermal source and the low-temperature receiver of cooling in summer.
This structure compared with prior art, has the advantage that
This structure possesses transition season and winter natural cooling energy saver mode, summer pre-cooling of fresh air energy saver mode, summer system
Cold energy saver mode and four energy conservation models of winter heating energy saver mode, specific as follows:
1st, transition season and winter natural cooling energy saver mode
Because the mode of operation that operating in annual 24 hours generates electricity carried out by hydropower station factory building, even if in nice and cool conditioning in Transition Season
Section or the winter of cold, the generator in power plant building also can produce substantial amounts of heat, need using air-conditioning system radiating it is ensured that
The normal operation of power plant building.If adopting common air-conditioning system, needing to open unit by inverse Carnot cycle realization refrigeration, needing
Expend substantial amounts of electric energy for the operating of air conditioner cold water main unit, to ensure the chilled water supplying power plant building on 7～15 DEG C of left sides
The right side, meets the cooling demand of power plant building.Although outdoor temperature decreases, the Energy Efficiency Ratio of refrigeration unit is also only in 2.6
～4.0w/w.
Now, the advantageous renewable resource in power station deep layer thermostated reservoir water, its temperature is in 7～15 DEG C, adopts
With energy-efficient water power air-conditioning system, can directly utilize freecooling (free cold) it is not necessary to open air-conditioning system master
Machine cooling, directly utilizes power station deep layer reservoir water to provide low-temperature receiver for end unit, now the Energy Efficiency Ratio of air-conditioning system is high
Reach 30～40w/w, the required electric energy of air-conditioning system main frame operating can be saved in a large number.
Furthermore, it is contemplated that winter outside air temperature is relatively low, if meeting the cooling demand of hydropower station factory building, can pass through
Air-valve of regulation end unit etc. is gone to directly quotes fresh air pattern, and outdoor fresh air is directly entered for power plant building after filtering
Row cooling, reaches the purpose of energy-conservation.
2nd, summer pre-cooling of fresh air energy saver mode
Summer, power station advantageous renewable resource deep layer thermostated reservoir water, its temperature between 15～25 DEG C,
If power station office and power plant building are all using Fresh air handling units cooling, by Fresh air handling units outdoor temperature can be reached with 30～
43 DEG C of fresh air, the power station deep layer reservoir water using 15～25 DEG C carries out precooling, and reducing the chilled water for pre-cooling of fresh air needs
The amount of asking, reduces the cooling load of air-conditioning system water chiller-heater unit main frame, reaches energy-saving effect.
3rd, cooling in summer energy saver mode
Summer, hydropower station factory building and office are required to air-conditioning cooling, and now, power station is advantageous renewable
Deep-Resource thermostated reservoir water, its temperature is in 15～25 DEG C, using air-conditioning system using power station deep layer reservoir water as cold
The cooling water of Hot water units condenser, consumes a small amount of electric energy by inverse Carnot cycle, the heat in air-conditioned room is transferred to water
In the deep layer reservoir water of power station, it is hydropower station factory building and office's offer cold, its Energy Efficiency Ratio is up to 6.0～7.0w/w, than
Common 4.0～5.0w/w of water cooled chiller and 2.6～3.4w/w of cooling by wind greatly promotes, more energy-saving ring
Protect.
4th, winter heating energy saver mode
In winter, in addition to power plant building still needs to cooling, power station office needs heat supply heating due to there being personnel's office.This season
Section, power station advantageous renewable resource deep layer thermostated reservoir water, its temperature is in 7～15 DEG C, using air-conditioning system
Using power station deep layer reservoir water as the low-temperature heat source of water chiller-heater unit evaporimeter, a small amount of electric energy is consumed by inverse Carnot cycle,
Low-grade power station deep layer reservoir hydro-thermal amount is transferred in high-grade air conditioning hot, and then supplies for power station office
Warm, its Energy Efficiency Ratio is up to 4.0～4.5w/w, greatly promotes than 2.0～3.0w/w of common air-cooled heat pump, more energy-conserving and environment-protective.
In addition, low-grade power station deep layer reservoir water can act also as power plant building end unit after evaporimeter heat release supplying
Cold low-temperature receiver, to reach making full use of of cold resource.Winter source pump is run and only need to be consumed a small amount of electric energy just achievable room
Between heating, without boiler and air source heat pump, it is to avoid pollution to environment, reached the purpose of energy-conserving and environment-protective.
In a word, using the energy-efficient water power air-conditioning system of power station deep layer reservoir water, either freeze or heat fortune
OK, all cool down tower handpiece Water Chilling Units than tradition and net for air-source heat pump units operational efficiency is high, more energy saving, economy and ring
Guarantor property.Power station deep layer reservoir coolant-temperature gage is relatively stable throughout the year, and its fluctuation range is much smaller than the variation of air, is air-conditioning system
Cold source and the ideal chose of heat source, it is more reliable steady that the more stable characteristic of water temperature makes water power air-conditioning system run
Fixed, also ensure that high efficiency and the economy of system.
The improvement by said structure for this structure, has abandoned existing general common air-conditioning system and has not considered power station uniqueness ring
The unreasonable part of design of border and resource, suit measures to local conditions by the use of the advantageous power station in power station deep layer reservoir water as sky
The low-temperature receiver of adjusting system refrigeration or the thermal source of heating, make that air-conditioning possesses transition season and winter natural cooling energy saver mode, winter adopt
The energy conservation models such as warm energy saver mode, cooling in summer energy saver mode, summer fresh air natural cooling precooling energy saver mode.In reservoir
When coolant-temperature gage is suitable for natural cooling, automatically cooled down using natural cooling source, save air-conditioner host and run power consumption；In reservoir
When coolant-temperature gage is not suitable for natural cooling, using power station deep layer reservoir water, during refrigerating operaton, reduce the condensation of air-conditioner host
Temperature, lifts the evaporating temperature of air-conditioner host, the whole machine Energy Efficiency Ratio of lifting air-conditioner host, energy saving during heating operation.
Summary, this structure creative by the way of natural cooling is combined with highly effective refrigeration, and commonly air-cooled
Water chiller-heater unit adds end or common water cooled chiller adds the central air conditioner system of end and compares, and shortens air-conditioner host
Opening time, reduce the condensation temperature of air-conditioner host, the evaporating temperature of lifting main frame, save cooling tower, improve main frame
Operational efficiency, while greatling save energy consumption, also improves the feature of environmental protection.It has reasonable in design, energy-efficient, water temperature control essence
The features such as degree height, stable in outlet water temperature, comfort height, energy saving, minimizing environmental pollution, meet what country at present advocated
Energy-saving and emission-reduction policy, has important economy and social effect, is worth promoting.
The above, be only presently preferred embodiments of the present invention, not the present invention is made task limit, every according to the present invention
Any simple modification, change and equivalent structure change that technical spirit is made to above example, all still fall within skill of the present invention
In the protection domain of art scheme.
Claims (6)
1. a kind of energy-efficient water power air-conditioning system, including power station deep layer reservoir water water supply and return system (i), also includes fresh air
Unit (iii), water chiller-heater unit (iv), end unit (v), pipe-line system and control system；Wherein, pipe-line system includes being incubated
Feed pipe and drainpipe, one end of insulation feed pipe is immersed in the power station depth in power station deep layer reservoir water water supply and return system (i)
In layer reservoir water (10), the other end is connected with Fresh air handling units (iii), water chiller-heater unit (iv) and end unit (v), drainpipe
One end connect with Fresh air handling units (iii), water chiller-heater unit (iv) and end unit (v)；
It is characterized in that: described power station deep layer reservoir water water supply and return system (i) is direct supply formula and indirectly supply formula and can
Selected according to water quality situation；
Described direct supply formula include being successively set on the water suction screen pack (11) of insulation feed pipe one end, suction pump (12),
Check-valves (13), dirt separator (15), electric water treatment device (16), y type filter (17) and water supply outlet valve (18)；
Described indirect supply formula include being successively set on the water suction screen pack (11) of insulation feed pipe one end, suction pump (12),
Check-valves (13), dirt separator (15), electric water treatment device (16), y type filter (17), water supply outlet valve (18), plate-type heat-exchange
Device (j1), water circulating pump (j2) and circulating-water valve (j3)；
Described water chiller-heater unit (iv) includes compressor (31), shell-tube evaporator (32), expansion valve (33) and Shell-tube Condenser
(34)；
Pipe-line system includes fresh air coil pipe back-water valve (BWV) (50), fresh air coil pipe water intaking valve (51), end unit fresh air coil pipe back-water valve (BWV)
(52), end unit fresh air coil pipe water intaking valve (53), using side water pump (54), check-valves (55), cold heat medium water feed pipe (a),
Cold heat medium water return pipe (b) and power and energy water valve (f1～f10)；
Control system include electric control box (61), reservoir supply water temperature sensor (62), backwater of reservoir temperature sensor (63),
Chilled water send water temperature sensor (64), chilled water return water temperature sensor (65), Fresh air handling units fresh air temperature sensor (66),
Fresh air handling units wind pushing temperature sensor (67), end unit fresh air temperature sensor (68), end unit return air temperature sensor
(69), end unit blasting air temperature sensor (610), sensor data acquisition system (611), central controller system (612)
With display operating system (613)；
Described insulation feed pipe the other end divide have the first pipeline (101), the second pipeline (102), the 3rd pipeline (103), the 4th
Pipeline (104), the 5th pipeline (105) and the 6th pipeline (106)；
First pipeline (101) is connected with cold heat medium water return pipe (b) and in parallel with the second pipeline (102)；First power and energy water
Valve (f1) and the 3rd power and energy water valve (f3) are serially connected in the first pipeline (101), the second power and energy water valve (f2) and the 4th
Power and energy water valve (f4) concatenates in the second pipeline (102)；Five-function conversion water is accessed in the water side of Shell-tube Condenser (34)
Between valve (f5) and seven power and energy water valves (f7), the 6th power and energy water valve (f6) is accessed in the water side of shell-tube evaporator (32)
And the 8th power and energy water valve (f8) between；
One end of drainpipe is connected with one end of the 3rd pipeline (103), and the other end of the 3rd pipeline (103) is supplied water with cold heat medium water
Pipe (a) connects；4th pipeline (104) is in parallel with the 3rd pipeline (103)；Five-function conversion water valve (f5) and the 7th power and energy
Water valve (f7) is serially connected in the 3rd pipeline (103), and the 6th power and energy water valve (f6) and the 8th power and energy water valve (f8) concatenate
In the 4th pipeline (104)；The water inlet end of Shell-tube Condenser (34) is accessed the second power and energy water valve (f2) and is turned with the 4th function
Change between water valve (f4), the water inlet end of shell-tube evaporator (32) accesses the first power and energy water valve (f1) and the 3rd power and energy water
Between valve (f3)；
One end of 5th pipeline (105) is connected with one end of drainpipe, and the other end is connected with cold heat medium water return pipe (b), and the 9th
Power and energy water valve (f9) is serially connected in the 5th pipeline (105), and the tenth power and energy water valve (f10) is serially connected in the 6th pipeline
(106) in；
It is serially connected in cold heat medium water return pipe (b) using side water pump (54) and check-valves (55)；
Reservoir supply water temperature sensor (62) is serially connected in insulation feed pipe, and backwater of reservoir temperature sensor (63) is serially connected in draining
Guan Zhong；
Chilled water send water temperature sensor (64) to be serially connected in cold heat medium water feed pipe (a), chilled water return water temperature sensor
(65) it is serially connected in cold heat medium water return pipe (b)；
Described 5th pipeline (105) is arranged with the 7th pipeline (107) and the 8th pipeline (108) with the connection end of drainpipe；7th
Pipeline (107), the 8th pipeline (108) are connected with Fresh air handling units (iii) and end unit (v) respectively；
Fresh air handling units air-valve (21) that described Fresh air handling units (iii) inclusion sets gradually, Fresh air handling units filter (22), fresh air
Unit desuperheating coil (23), Fresh air handling units surface cooler (24) and Fresh air handling units pressure fan (25)；
Described end unit (v) includes hybrid filtering section (45), surface air cooler and manger board segment (46), air-treatment section (48) and air supply section
(49)；Wherein, the side of hybrid filtering section (45) is disposed with fresh air air-valve (42), new wind filter (43) and end unit
Desuperheating coil (44), opposite side is provided with return air air-valve (41), and surface air cooler and manger board segment (46) is provided with end unit surface cooler
(47), air supply section (49) is provided with end unit blasting air machine.
2. water power air-conditioning system energy-efficient according to claim 1 is it is characterised in that described 7th pipeline (107) is with newly
The water inlet end of blower fan group desuperheating coil (23) connects, and the water side of Fresh air handling units desuperheating coil (23) is connected with insulation feed pipe；
The water inlet end of Fresh air handling units surface cooler (24) is connected with cold heat medium water feed pipe (a), water side and cold heat medium water return pipe
B () connects；
8th pipeline (108) is connected with the water inlet end of end unit desuperheating coil (44), the going out of end unit desuperheating coil (44)
Water end (W.E.) is connected with insulation feed pipe；
The water inlet end of end unit surface cooler (47) is connected with cold heat medium water feed pipe (a), water side and cold heat medium water return pipe
B () connects.
3. water power air-conditioning system energy-efficient according to claim 2 is it is characterised in that described fresh air coil pipe back-water valve (BWV)
(50) it is serially connected in the water side of Fresh air handling units desuperheating coil (23)；
Fresh air coil pipe water intaking valve (51) is serially connected in the water inlet end of Fresh air handling units desuperheating coil (23)；
End unit fresh air coil pipe back-water valve (BWV) (52) is serially connected in the water side of end unit desuperheating coil (44)；
End unit fresh air coil pipe water intaking valve (53) is serially connected in the water inlet end of end unit desuperheating coil (44)；
Fresh air handling units fresh air temperature sensor (66) are serially connected in Fresh air handling units air-valve (21)；
Fresh air handling units wind pushing temperature sensor (67) is serially connected in Fresh air handling units pressure fan (25)；
End unit fresh air temperature sensor (68) is serially connected in fresh air air-valve (42)；
End unit return air temperature sensor (69) is serially connected in return air air-valve (41)；
End unit blasting air temperature sensor (610) is serially connected in the unit blasting air machine of end.
4. a kind of energy-efficient water power air conditioner system control method, including the water power air-conditioning system described in claim 3, it is special
Levy and be that described control system requires according to the input design temperature of display operating system (613), by sensor data acquisition
Reservoir supply water temperature in system (611) collection actual motion, backwater of reservoir temperature, chilled water send coolant-temperature gage, chilled water backwater
The new air temperature of temperature, Fresh air handling units, Fresh air handling units wind pushing temperature, the new air temperature of end unit, end unit return air temperature, end
The data of unit blasting air temperature, automatically calculates and controls suction pump (12), water circulating pump (j2), uses side water pump (54), fresh air
Unit (iii), water chiller-heater unit (iv), end unit (v), power and energy water valve (f1～f10) and fresh air coil pipe back-water valve (BWV)
(50), fresh air coil pipe water intaking valve (51), end unit fresh air coil pipe back-water valve (BWV) (52), end unit fresh air coil pipe water intaking valve (53)
Work.
5. water power air conditioner system control method energy-efficient according to claim 4 is it is characterised in that described water power air-conditioning
System possesses transition season and winter natural cooling energy saver mode, summer pre-cooling of fresh air energy saver mode, cooling in summer energy saver mode
And four energy conservation models of winter heating energy saver mode, each energy conservation model manually switches, or according to new wind-warm syndrome
Degree and the chilled water setting send coolant-temperature gage to be automatically switched；
Described transition season and winter natural cooling energy saver mode, the 9th power and energy water valve (f9) and the tenth power and energy water
Valve (f10) is opened, and remaining power and energy water valve cuts out, and now, it is cold that air-conditioning carries out nature using power station deep layer reservoir water (10)
But energy-saving run；
Described summer pre-cooling of fresh air energy saver mode, fresh air coil pipe back-water valve (BWV) (50), fresh air coil pipe water intaking valve (51), end unit
Fresh air coil pipe back-water valve (BWV) (52), end unit fresh air coil pipe water intaking valve (53) are opened, and now, air-conditioning utilizes power station deep layer reservoir
Water (10) carries out natural cooling, to pre-cooling of fresh air；
Described winter heating energy saver mode, the first power and energy water valve (f1), the 4th power and energy water valve (f4), the 6th function
Conversion water valve (f6), the 7th power and energy water valve (f7) are opened, and remaining power and energy water valve cuts out, and now, air-conditioning utilizes winter
Power station deep layer reservoir water (10) of higher temperatures, as the thermal source of water chiller-heater unit (iv), lifts the refrigeration efficiency ratio of air-conditioning；
Described cooling in summer energy saver mode, the second power and energy water valve (f2), the 3rd power and energy water valve (f3), five-function
Conversion water valve (f5), the 8th power and energy water valve (f8) are opened, and remaining power and energy water valve cuts out, and now, air-conditioning utilizes summer
Power station deep layer reservoir water (10) of relatively low temperature is as the low-temperature receiver of water chiller-heater unit (iv), the heating energy efficiency ratio of lifting air-conditioning.
6. water power air conditioner system control method energy-efficient according to claim 5 is it is characterised in that described Fresh air handling units
The actual temperature that fresh air temperature sensor (66), end unit fresh air temperature sensor (68) measure is more than the first design temperature,
And fresh air actual temperature is set more than the first of design temperature difference with the difference of reservoir supply water temperature sensor (62) test temperature
When determining difference, fresh air coil pipe back-water valve (BWV) (50), fresh air coil pipe water intaking valve (51), end unit fresh air coil pipe back-water valve (BWV) (52), end
Terminal group fresh air coil pipe water intaking valve (53) is opened, and air-conditioning enters summer pre-cooling of fresh air energy saver mode and runs；
The actual temperature that Fresh air handling units fresh air temperature sensor (66), end unit fresh air temperature sensor (68) measure is less than the
Two design temperatures, and fresh air actual temperature is poor more than design temperature with the difference of reservoir supply water temperature sensor (62) test temperature
During the second setting difference of value, fresh air coil pipe back-water valve (BWV) (50), fresh air coil pipe water intaking valve (51), end unit fresh air coil pipe backwater
Valve (52), end unit fresh air coil pipe water intaking valve (53) are closed, and air-conditioning stops summer pre-cooling of fresh air energy saver mode and runs；
When cold heat medium water send coolant-temperature gage setting value to be more than three set temperature value, the second power and energy water valve (f2), the 3rd function
Conversion water valve (f3), five-function conversion water valve (f5), the 8th power and energy water valve (f8) are opened, and remaining power and energy water valve closes
Close, air-conditioning enters cooling in summer energy saver mode and runs；
When cold heat medium water send coolant-temperature gage setting value to be less than four set temperature value, and cold heat medium water send coolant-temperature gage setting value and reservoir
When the difference of supply water temperature sensor (62) test temperature is more than the 3rd setting difference of design temperature difference, the 9th power and energy
Water valve (f9) and the tenth power and energy water valve (f10) are opened, and remaining power and energy water valve cuts out, and air-conditioning enters transition season and winter
Season natural cooling energy saver mode operation；
When cold heat medium water send coolant-temperature gage setting value to be less than four set temperature value, and cold heat medium water send coolant-temperature gage setting value and reservoir
When the difference of supply water temperature sensor (62) test temperature is less than the 4th setting difference of design temperature difference, the first power and energy
Water valve (f1), the 4th power and energy water valve (f4), the 6th power and energy water valve (f6), the 7th power and energy water valve (f7) are opened,
Remaining power and energy water valve cuts out, and air-conditioning enters winter heating energy saver mode and runs.
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| CN104456789B (en) * | 2014-11-11 | 2017-05-03 | 国家电网公司 | Switching device of cooling water supply system of main ventilation air conditioner of underground powerhouse |
| CN105202630A (en) * | 2015-08-28 | 2015-12-30 | 中山市绿涛电子科技有限公司 | Energy-saving air conditioner cooling system |
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| CN112492848A (en) * | 2020-11-27 | 2021-03-12 | 长江勘测规划设计研究有限责任公司 | Data center energy system comprehensively utilizing clean energy of hydropower station |
| CN112503651B (en) * | 2020-12-07 | 2022-08-05 | 广东申菱环境系统股份有限公司 | Fresh air dehumidifying and drying system for hydropower station gallery and control method thereof |
| CN115950010A (en) * | 2022-12-30 | 2023-04-11 | 广东申菱环境系统股份有限公司 | Fresh air conditioning system utilizing seawater indirect heat exchange and control method thereof |
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