CN108317632A - A kind of air-conditioning system - Google Patents
A kind of air-conditioning system Download PDFInfo
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- CN108317632A CN108317632A CN201710041146.4A CN201710041146A CN108317632A CN 108317632 A CN108317632 A CN 108317632A CN 201710041146 A CN201710041146 A CN 201710041146A CN 108317632 A CN108317632 A CN 108317632A
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- air
- conditioning system
- return air
- return
- cold structure
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/1405—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification in which the humidity of the air is exclusively affected by contact with the evaporator of a closed-circuit cooling system or heat pump circuit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Central Air Conditioning (AREA)
Abstract
The present invention relates to a kind of air-conditioning systems,Including dehumidifier,Second new return air mixed organization and the second table cold structure,Dehumidifier includes the first new return air mixed organization set gradually along wind direction,First table cold structure and air outlet mechanism,Refrigerating fluid in refrigeration pipeline is followed by the first table cold structure and the second table cold structure,I.e. refrigerating fluid first flows into the first table cold structure,Carry out dehumidification treatments,The temperature rise of refrigerating fluid,Refrigerating fluid is flowed out from the first table cold structure,Then it is flowed into the second table cold structure,So,The temperature of the refrigerating fluid entered in the second table cold structure will be risen,There is the refrigerating fluid centainly risen to carry out cooling processing in the second table cold structure apoplexy using this temperature,So,The independent temperature-humidity control of full air-conditioning system can be realized using single low-temperature receiver for the air-conditioning system,And the air-conditioning system is simple in structure,The equipment being related to is less.
Description
Technical field
The present invention relates to a kind of air-conditioning systems, belong to Industrial air conditioner system.
Background technology
It is to solve technological air conditioning system in summer except under wet cooling condition, it is existing during unit heat and wet treatment cold and hot to support
Disappear, energy waste the phenomenon that, the mode of air-conditioning system generally use secondary return air carries out the wet adjusting of heat, is caused by reducing dehumidifying
Supercooling or reduce the consumption of heat energy again, to alleviate the energy waste phenomenon of cold-hot counteraction.
Moreover, existing air-conditioning system is dehumidified based on double low-temperature receivers of solution recuperation of heat and high and low temperature handpiece Water Chilling Units mostly
What technology was realized, one of low-temperature receiver excludes wet, the indoor waste heat of another low-temperature receiver exclusion more than interior.If using two kinds of low-temperature receivers,
Need to be arranged two refrigeration systems, and with relevant equipment and the pipeline etc. of freezing, and it is further desired that other to air-conditioning system
Part, such as：Table is cold, is correspondingly transformed.Therefore, existing air-conditioning system can not adapt to the requirement of modernization industry, such as
Fruit is wanted to realize above-mentioned function, it is necessary to significantly increase the input cost of existing industrial air conditioning system, although having this side at present
The research in face, but not only Meteorological is high for the industrial air conditioning system newly developed, and also structure is complex, and this is just to early period
Design and the construction in later stage cause prodigious puzzlement.
Invention content
The object of the present invention is to provide a kind of air-conditioning systems, and to solve, existing industrial air conditioning system is complicated to ask
Topic.
To achieve the above object, the solution of the present invention includes a kind of air-conditioning system, including dehumidifier, and the dehumidifier includes
Further include along the first new return air mixed organization, the first table cold structure and air outlet mechanism, the air-conditioning system that wind direction is set gradually
Second new return air mixed organization and the second table cold structure, the first new return air mixed organization are provided with for being passed through fresh air
One fresh air input port and the first return air input port for being passed through return air, the air outlet of the air outlet mechanism pass through ajutage
Road is connected to the gaseous mixture input port of the described second new return air mixed organization, and the second new return air mixed organization is additionally provided with
The second return air input port for being passed through return air, the second new return air mixed organization and the second table cold structure along wind direction successively
Setting；The air-conditioning system further includes having refrigeration system, there is refrigeration pipeline, the system in the refrigeration pipeline in the refrigeration system
Cold liquid is followed by the first table cold structure and the second table cold structure.
The second new return air mixed organization is additionally provided with the second fresh air input port for being passed through fresh air.
The first filter mechanism is provided between the first new return air mixed organization and the first table cold structure, described second is new
It is provided with the second filter mechanism between return air mixed organization and the second table cold structure.
It is provided with the first fresh air regulating valve for adjusting input fresh air volume at the first fresh air input port, described the
The second fresh air regulating valve for adjusting input fresh air volume is provided at two fresh air input ports.
It is provided with the first return air regulating valve for adjusting input return air amount at the first return air input port, described the
The second return air regulating valve for adjusting input return air amount is provided at two return air input ports.
The refrigeration system includes refrigeration unit and water return pipeline, and the refrigeration unit output is connected to the refrigeration pipeline,
The refrigerating fluid of second table cold structure outflow is flowed back by the water return pipeline in the refrigeration unit.
The refrigerating fluid input terminal of the first table cold structure is provided with the first table low temperature valve.
The refrigerating fluid input terminal of the second table cold structure is provided with the second table low temperature valve, and the second table low temperature valve is threeway
The third port of valve, the triple valve is connected to the water return pipeline.
The refrigeration unit also exports one water pipe of connection, the water pipe be connected to the first table cold structure and
Refrigeration pipeline between second table cold structure is provided with water compensating valve in the moisturizing pipeline.
The air-conditioning system further includes heating part, humidification part and pressure fan, the air outlet of the second table cold structure
It is sequentially communicated the heating part, humidification part and pressure fan.
In air-conditioning system provided by the invention, it is provided with dehumidifier, includes being disposed with along wind direction inside the dehumidifier
First new return air mixed organization, the first table cold structure and air outlet mechanism, and also set successively after the air outlet of air outlet mechanism
It is equipped with the second new return air mixed organization and the second table cold structure.The two table cold structures set gradually can carry out interior respectively and remove
Wet and room temperature lowering meets the requirement of indoor humidity and temperature, efficiently solves under the summer warm and humid joint shaping modes of tradition
The problems such as cold-hot counteraction, energy waste, it is ensured that air-conditioner set dehumidifying energy consumption has certain decline, improves the operation effect of air-conditioning system
Rate ensure that production is smoothed out.Moreover, the refrigerating fluid in refrigeration pipeline is followed by the first table cold structure and the second table cold
Structure, i.e. refrigerating fluid first flow into the first table cold structure, carry out dehumidification treatments, the temperature rise of refrigerating fluid, and refrigerating fluid is cold from the first table
It flows out, is then flowed into the second table cold structure in mechanism, then, enter the temperature of the refrigerating fluid in the second table cold structure just
It can be risen, there is the refrigerating fluid centainly risen to carry out cooling processing in the second table cold structure using this temperature, so, it should
Air-conditioning system utilizes the temperature of refrigerating fluid needed for the second table cold structure original higher than the temperature of refrigerating fluid needed for the first table cold structure
Reason, the refrigerating fluid after the first table cold structure utilizes use for the second table cold structure, realize the secondary use of refrigerating fluid, therefore,
The independent temperature-humidity control of full air-conditioning system is achieved that merely with single low-temperature receiver.Relative to existing double low-temperature receivers, the present invention provides
Air-conditioning system it is simple in structure, the equipment being related to is less, without largely being changed to existing industrial air conditioning system
It makes, improvement cost is relatively low, also, in actual production, and input cost is relatively low, not only simplifies the design of early period, and is convenient for
The construction in later stage.
Description of the drawings
Fig. 1 is air-conditioning system structural schematic diagram；
Fig. 2 is Air-condition system control principle schematic.
Specific implementation mode
Air-conditioning system provided by the invention is suitable for various production enterprises for extensive, in the present embodiment, the air-conditioning system
System is for being applied to cigar mill.Moreover, the air-conditioning system, which is workshop (interior), provides the air after adjusting, and utilize life
The return air in workshop is produced, return air refers to that air-conditioning system provides the sky being discharged from workshop after the air after adjusting for workshop
Gas.The air-conditioning system is further described in detail below.
As shown in Figure 1, bypass installation dehumidifier on fresh air pipeline within air-conditioning systems, dehumidifier size are empty according to meeting
Adjust unit minimum fresh air requirmente Demand Design.Dehumidifier designs four functional sections, is successively according to airflow direction：First new return air is mixed
Close section, the first fillter section, the first surface cooling section and wind outlet section.Each functional section corresponds to corresponding mechanism, i.e. this four functional sections point
It is not the first new return air mixed organization, the first filter mechanism, the first table cold structure and air outlet mechanism, also, is set in each mechanism
It is equipped with the relevant device for realizing corresponding function, such as：It is provided with filter in first filter mechanism, the filter is new for removing
Dust in wind；Setting surface cooler (being known as a surface cooler), be used for fresh air dehumidification in first table cold structure.
There are two input ports for setting on first new air-return mixing section, are the first fresh air input port and the first return air respectively
Input port, the first fresh air input port are connected to fresh air pipeline, and for inputting fresh air into air-conditioning system, fresh air refers to from outer
Boundary inputs to the air of air-conditioning system, the air being not discharged from workshop；First return air input port connects with return air duct
It is logical, for inputting return air into air-conditioning system.In addition, in order to adjust the wind for entering the return air in the first new air-return mixing section
It measures, the first return air regulating valve is provided at the first return air input port on the first new air-return mixing section, be primary retirn air valve；
Similarly, in order to adjust the air quantity for entering the fresh air in the first new air-return mixing section, the on the first new air-return mixing section
It is provided with the first fresh air regulating valve at one fresh air input port, is a new air-valve.As shown in Figure 1, return air duct pass through it is primary
Backwind tube connects the first return air input port, and fresh air pipeline connects the first fresh air input port by a fresh wind tube.Primary
Fresh wind tube and primary retirn air Guan Shangke install air volume meter respectively, for calculating air quantity respectively, for as a new air-valve and one
The calculation basis of secondary air returning valve control.
Fresh air and return air are mixed in the first new air-return mixing section, and the mixed gas of generation passes through the first filtering successively
It is exported through wind outlet section after the filtering of filter in section and the dehumidifying of the first surface cooling section.
As shown in Figure 1, the air-conditioning system further includes the second new air-return mixing section set gradually according to airflow direction, second
Fillter section and the second surface cooling section, similarly with above-mentioned dehumidifier, these three functional sections also correspond to corresponding mechanism respectively, are respectively
Two new return air mixed organizations, the second filter mechanism and the second table cold structure, also, corresponding function is realized in setting in each mechanism
Relevant device, such as：It is provided with filter in second filter mechanism, the filter is for removing dust；In second table cold structure
Surface cooler (being known as secondary surface cooler) is set, and in order to save equipment investment, secondary surface cooler can be the table of air-conditioner set first wife
Cooler.Also, the effect of secondary surface cooler is for the control that cools down.
The gaseous mixture input terminal that the air outlet of wind outlet section in dehumidifier passes through air supply duct and the second new air-return mixing section
Mouthful connection, for will treated that gas is delivered to the second new air-return mixing section through dehumidifier.It is mixed with the above-mentioned first new return air
Section is similar, and return air input port and fresh air input port are also equipped on the second new air-return mixing section, is that the second return air is defeated respectively
Inbound port and the second fresh air input port, return air channel are that the second new air-return mixing section inputs back by the second return air input port
Wind, fresh air channel are that the second new air-return mixing section inputs fresh air by the second fresh air input port.Second new air-return mixing section with
The function of first new air-return mixing section is similar, is the mixing for fresh air and return air.It is provided at second fresh air input port
Second fresh air regulating valve is secondary fresh air valve, for adjusting input fresh air volume；It is provided at second return air input port second time
Wind regulating valve is secondary returning air-valve, for adjusting input return air amount.
In addition, primary filtering and secondary filter can be realized respectively using the first fillter section and the second fillter section, certainly, this
A kind of only embodiment of optimization, as other embodiments, when the dust in return air and fresh air originally with regard to it is less when, the
One fillter section and the second fillter section can not have to setting.
As shown in Fig. 2, the air-conditioning system further includes refrigeration unit, refrigeration unit is for generating refrigerating fluid (also referred to as refrigerant
Water)；Refrigeration unit output is communicated with refrigeration pipeline, and refrigeration pipeline is followed by the first surface cooling section and the second surface cooling section, with refrigerant
For the flowing of water, chilled water is exported from refrigeration unit, and is flowed into the first surface cooling section, is used for the first surface cooling section, so
It is flowed into the second surface cooling section from the chilled water that the first surface cooling section flows out afterwards, uses for the second surface cooling section, flowed from the second surface cooling section
The chilled water gone out flows back into refrigeration unit.Therefore, refrigeration pipeline is it may be said that a surface cooler and a surface cooler are connected on
Together, as shown in Fig. 2, the chilled water input terminal of refrigeration pipeline output surface cooler of connection, the chilled water of a surface cooler
Output end passes through return pipe by the chilled water input terminal of the secondary surface cooler of pipeline connection, the chilled water output end of secondary surface cooler
Road flows back into refrigeration unit.
Moreover, the chilled water input end of a surface cooler is provided with the first table low temperature valve, i.e. a table low temperature valve, secondary instrument is cold
The chilled water input end of device is provided with the second table low temperature valve, i.e. secondary instrument low temperature valve.Table low temperature valve and secondary instrument low temperature valve are used respectively
In the chilled water water supply flow for adjusting corresponding surface cooler.Also, secondary instrument low temperature valve is triple valve, the two of which end of the triple valve
Mouth string is located on refrigeration pipeline, and third port is connected to water return pipeline.
7~9 DEG C of chilled waters (low temperature cold source) of refrigeration unit production initially enter a surface cooler, dehumidify to fresh air
Processing, using Wen Sheng caused by wind, hydrothermal exchange, makes the chilled water into secondary surface cooler by the control and regulation of regulating valve
Temperature increase 3~5 DEG C, obtain a kind of high temperature low-temperature receiver, the cooling for unit full blast amount is handled, and realizes the humiture of single low-temperature receiver
Independent control.By dehumidifier (surface cooler), treated, and cold dry air is mixed with unit return air, to reduce blasting humidity,
Achieve the purpose that dehumidifying, cooling, secondary surface cooler further carry out cooling processing to the mixed wind of temperature backlog demand after mixing.
In addition, when unit has cooling demand, the conductive channel of regulating three-way valve makes the chilled water of high temperature low-temperature receiver enter secondary instrument cold
Device cools down to mixed wind；When unit is without cooling demand, the conductive channel of regulating three-way valve, chilled water is cold without secondary instrument
Device and be passed straight back to water return pipeline.Meanwhile cannot meet requirement in order to avoid secondary surface cooler inflow temperature is excessively high, it is
Low temperature refrigerant water, can be fed directly into secondary surface cooler, reduce its inflow temperature by system setting water supply electrically operated valve.Specially：Refrigeration
Unit output one water pipe of connection, the refrigeration pipeline between the water pipe and a surface cooler and secondary surface cooler are connected
It is logical, above-mentioned water supply electrically operated valve is set in the moisturizing pipeline.
It may also include other part in the air-conditioning system, for example heating part, humidification part and pressure fan, secondary instrument are cold
The gas outlet of device is sequentially communicated heating part, humidification part and pressure fan, and the output end of pressure fan is the output of the air-conditioning system
End, pressure fan export the place for being connected to needs, such as the interior in Fig. 2.In addition, return fan is for passing through indoor air
Return air channel is discharged, and it is the first new air-return mixing section and the second new air-return mixing section input return air which, which is exactly above-mentioned,
Return air channel.
The type of regulating valve in the air-conditioning system can be specifically arranged as the case may be, such as：It can be arranged
At hand-operated valve, manually it is adjusted according to actual needs；It can also be motor-driven valve, accordingly controlled according to collected parameter
The break-make and aperture of valve.
The control thinking of secondary fresh air valve and secondary returning air-valve is：In winter and when season alternation, still by setting originally
Change new wind ratio or all-fresh air operation, by switching secondary fresh air valve, fresh air can be directly entered secondary new air-return mixing section, no longer
By dehumidifier, i.e. a new air-valve and a table low temperature valve simultaneously close off, and secondary fresh air valve is opened；When outdoor is dehumidified in summer
When operating mode, secondary fresh air valve is closed, and a new air-valve and a table low temperature valve aperture are adjusted at random.It therefore, if should
Air-conditioning system is only used in the case where summer is except wet cooling condition, then, secondary fresh air valve is closed always, then, and secondary fresh air valve
And second fresh air input port can be not provided with.
In the present embodiment, it is based on the above air-conditioning system, a kind of control strategy is given below, certainly, which is
A kind of embodiment, air-conditioning system are not limited to the control strategy.
When a table low temperature valve is to carry out the motor-driven valve of aperture regulation by controlling signal, then it, which controls thinking, is：Air-conditioning
System can measure the parameters such as air quantity, humiture, and then can derive, calculate by primary by installing air volume meter, water thermometer
After surface cooler processing, desired value that aerial temperature and humidity should reach.
Wherein：
In formula：T1SPThe temperature target that should reach after-surface cooler processing, DEG C；FS- air-supply air quantity, m3/h；
TSO- ventilation state point temperature, DEG C；FR- return air air quantity, m3/h；F2The return air amount of-surface cooler processing, m3/h；TR- return
Air temperature, DEG C；FO- fresh-air volume, m3/h；F1The fresh air volume of-surface cooler processing, m3/h；TO- new air temperature, DEG C.
In formula：d1SPThe desired value that water capacity should reach after-surface cooler processing, g/kg；dSO- ventilation state point contains
Moisture, g/kg；dR- return air water capacity, g/kg；dO- fresh air water capacity, g/kg.
Based on the above state parameter for deriving and calculating with actually measured air and chilled water, the control thinking of unit water valve
It is：Using PID control, by adjusting table low temperature valve, a water compensating valve, make a surface cooler treated air temperature value T1PVWith
Moisture content values d1PV, reach desired value T1SPAnd d1SPLevel, make secondary surface cooler inlet water temperature value TCPVClose to ventilation state point
Dew-point temperature TLSO。
Wherein, temperature loop regulatory demand amount OUT1=∫ (T1SP-T1PV) dt, water capacity loop modulation demand OUT2=∫
(d1SP-d1PV) dt, take OUT1And OUT1In maximum value, for control a table low temperature valve aperture.Water temperature control loop regulatory demand
Measure OUT3=∫ (TLSO-TCPV) dt, for controlling moisturizing valve opening, it is ensured that secondary instrument low temperature valve inflow temperature meets cooling needs.Make
Secondary instrument low temperature valve is controlled with system original pid loop and algorithm, can suitably adjust pid parameter according to actual use situation.
It gives a kind of chilled water in above-described embodiment to generate and structure for conveying, including refrigeration unit and corresponding transmission
Pipeline, this is one of which embodiment, as other embodiments, as long as disclosure satisfy that the needs of two surface coolers,
Other chilled waters generations and structure for conveying can also be used.
Specific embodiment is presented above, but the present invention is not limited to described embodiment.The base of the present invention
This thinking is the hardware configuration of above-mentioned air-conditioning system, for those of ordinary skill in the art, introduction according to the present invention, if
The model, formula, parameter for counting out various modifications do not need to spend creative work.The principle and spirit of the invention are not being departed from
In the case of to embodiment carry out change, modification, replacement and modification still fall in protection scope of the present invention.
Claims (10)
1. a kind of air-conditioning system, which is characterized in that including dehumidifier, the dehumidifier include set gradually along wind direction it is first new
Return air mixed organization, the first table cold structure and air outlet mechanism, the air-conditioning system further include the second new return air mixed organization and
Two table cold structures, the first new return air mixed organization are provided with the first fresh air input port for being passed through fresh air and for leading to
Enter the first return air input port of return air, the air outlet of the air outlet mechanism is mixed by air supply duct with the described second new return air
The gaseous mixture input port of mechanism is connected to, and the second new return air mixed organization is additionally provided with the second return air for being passed through return air
Input port, the second new return air mixed organization and the second table cold structure are set gradually along wind direction；The air-conditioning system is also wrapped
Refrigeration system has been included, has there is refrigeration pipeline in the refrigeration system, the refrigerating fluid in the refrigeration pipeline is cold followed by the first table
Mechanism and the second table cold structure.
2. air-conditioning system according to claim 1, which is characterized in that the second new return air mixed organization is additionally provided with use
In the second fresh air input port for being passed through fresh air.
3. air-conditioning system according to claim 1, which is characterized in that the first new return air mixed organization and the first table are cold
It is provided with the first filter mechanism between mechanism, second is provided between the second new return air mixed organization and the second table cold structure
Filter mechanism.
4. air-conditioning system according to claim 2, which is characterized in that be provided with and be used at the first fresh air input port
The first fresh air regulating valve of input fresh air volume is adjusted, is provided at the second fresh air input port for adjusting input fresh air volume
The second fresh air regulating valve.
5. air-conditioning system according to claim 1, which is characterized in that be provided with and be used at the first return air input port
The first return air regulating valve of input return air amount is adjusted, is provided at the second return air input port for adjusting input return air amount
The second return air regulating valve.
6. according to the air-conditioning system described in claim 1-5 any one, which is characterized in that the refrigeration system includes refrigeration machine
Group and water return pipeline, the refrigeration unit output are connected to the refrigeration pipeline, and the refrigerating fluid of the second table cold structure outflow is by described
Water return pipeline flows back into the refrigeration unit.
7. air-conditioning system according to claim 6, which is characterized in that the refrigerating fluid input terminal of the first table cold structure is set
It is equipped with the first table low temperature valve.
8. air-conditioning system according to claim 7, which is characterized in that the refrigerating fluid input terminal of the second table cold structure is set
It is equipped with the second table low temperature valve, the second table low temperature valve is triple valve, and the third port of the triple valve is connected to the water return pipeline.
9. air-conditioning system according to claim 8, which is characterized in that the refrigeration unit also exports one water supply pipe of connection
Road, the water pipe are connected to the refrigeration pipeline between the first table cold structure and the second table cold structure, the moisturizing pipeline
On be provided with water compensating valve.
10. air-conditioning system according to claim 1, which is characterized in that the air-conditioning system further includes heating part, humidification
The air outlet of part and pressure fan, the second table cold structure is sequentially communicated the heating part, humidification part and pressure fan.
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| CN201710041146.4A CN108317632B (en) | 2017-01-17 | 2017-01-17 | Air conditioning system |
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| CN110094825A (en) * | 2019-05-30 | 2019-08-06 | 河南省建筑设计研究院有限公司 | A kind of secondary return air system with energy-conserving action |
| CN111043793A (en) * | 2019-12-17 | 2020-04-21 | 上海理工大学 | Double fresh air and double exhaust multifunctional swimming pool heat pump air conditioning unit |
| CN111089353A (en) * | 2018-10-24 | 2020-05-01 | 上海烟草集团有限责任公司 | Humidity processing system and method for air conditioner |
| CN111457513A (en) * | 2020-04-28 | 2020-07-28 | 烟台泓麟制冷空调工程有限公司 | Energy-saving constant-temperature humidity-control air conditioning system for drying precision casting shell and temperature-control dehumidification method |
| CN112212409A (en) * | 2020-11-17 | 2021-01-12 | 广东省第二人民医院（广东省卫生应急医院） | Medical-based novel air conditioning unit with strong working condition changing adaptability |
| CN112254239A (en) * | 2020-11-03 | 2021-01-22 | 李灿锋 | Air conditioning unit with strong working condition adaptability and disinfection and sterilization functions |
| CN112460696A (en) * | 2020-11-27 | 2021-03-09 | 同济大学 | Temperature and humidity independent control air conditioning system |
| CN115143552A (en) * | 2022-05-23 | 2022-10-04 | 江苏航天大为科技股份有限公司 | Novel ventilation air-conditioning system for independently controlling temperature and humidity of subway station |
| CN117450585A (en) * | 2023-12-25 | 2024-01-26 | 北京市建筑设计研究院有限公司 | Air treatment device and method with hierarchical humidity regulation and control function |
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