CN208520077U - A kind of marine vehicle cool house and air-conditioner control system using LNG cold energy - Google Patents
A kind of marine vehicle cool house and air-conditioner control system using LNG cold energy Download PDFInfo
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- CN208520077U CN208520077U CN201821187104.8U CN201821187104U CN208520077U CN 208520077 U CN208520077 U CN 208520077U CN 201821187104 U CN201821187104 U CN 201821187104U CN 208520077 U CN208520077 U CN 208520077U
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Abstract
The utility model provides a kind of marine vehicle cool house and air-conditioner control system using LNG cold energy, including jacket water heating control system, low-temperature cold store control system, High Temperature Refrigeratory control system, air-conditioner control system and refrigerant Anti-solidification control system, LNG fuel is after the heat exchange of LNG heat exchanger, cold energy is respectively used to low-temperature cold store, the refrigeration of High Temperature Refrigeratory and air-conditioning, the flow of refrigerant and the switch of valve in freezer and air-conditioning duct are adjusted using control system in the process of refrigeration simultaneously, maintain in freezer and air-conditioning temperature within the specified scope, on the other hand enter the BOG temperature of ship's main diesel engine within the specified scope using control system control.The utility model not only realizes the cascade utilization to LNG cold energy, also pass through control system reasonable distribution cold energy simultaneously, the unnecessary waste of cold energy is prevented, wherein Anti-solidification control system prevents refrigerant from solidification phenomenon occurs using cold energy extra in the heat consumption system of jacket water.
Description
Technical field
The utility model relates to LNG cold energy use field more particularly to a kind of marine vehicle cool houses and air-conditioning using LNG cold energy
Control system.
Background technique
In recent years, new demand constantly proposed to the discharge of ship with international regulations, the LNG fuel of low pollution increasingly by
The favor of shipowner, so that more and more ships use LNG fuel.By 30 10,000 tons VLCC(LNG Power Vessels) for, ship
Oceangoing ship consumes LNG daily can reach more than 100 cubic metres, and LNG gasification process will discharge a large amount of cold energy, about 860 ~ 830kJ/kg, such as
These cold energy of fruit, which are not used, will will cause huge cold energy waste.
At present in terms of ship sea-freight, LNG cold energy use is still in the primary stage, and the freezer on ship mostly uses greatly with air-conditioning
Although it can achieve the purpose of refrigeration to compressor refrigeration, compressor will consume a large amount of electric energy during this period, this is not inconsistent
The energy conservation and environmental protection policy of country is closed, and by the way that LNG cold energy is used for freezer refrigerating, it can be without using the refrigeration of the electricity consumptions such as compressor
Equipment has saved a large amount of initial investment and operating cost in this way.
A kind of LNG fuel of LNG fuels and energy ship disclosed in the Chinese patent of Patent No. CN204647855U is comprehensive
The system of utilizing is closed, using the double fuel supply system of LNG fuel and diesel oil, LNG cold energy is used for the refrigeration of freezer, while sufficiently
It is generated electricity using the expansion work of LNG vaporization；And a kind of LNG disclosed in the Chinese patent of Patent No. CN105444309A
LNG cold energy is used for the refrigeration of freezer and air-conditioning by marine air conditioner and frozen storehouse system, while using the heat source on ship to the temperature of air-conditioning
Degree is controlled, and two kinds of patents all realize the cascade utilization to LNG cold energy, improves the cold energy rate of recovery and energy of LNG fuel
Utilization rate, but the control to cold energy is all had ignored in cold energy use, so as to cause the unnecessary waste of cold energy, simultaneously because
Refrigerant directly exchanges heat with LNG, so all depositing the risk that refrigerant solidifies in pipeline in system.
Designed a kind of marine vehicle cool house and air-conditioner control system using LNG cold energy regarding to the issue above, can pass through control
System realization processed reasonably distributes LNG cold energy, avoids the waste of cold energy and prevents the temperature of control target and design temperature inclined
Difference is excessive, while can also prevent the solidification of refrigerant, to cause system refrigerant to stop the phenomenon that recycling.
Summary of the invention
The purpose of this utility model is to provide a kind of marine vehicle cool house using LNG cold energy and air-conditioning control for LNG Power Vessel
System processed.The cold energy of LNG fuel is used for the refrigeration of freezer and air-conditioning using control system reasonable distribution cold energy by the system,
It allows marine vehicle cool house and the temperature of air-conditioning and the fuel (BOG) of main diesel engine to fluctuate within the temperature range of design, otherwise will cause
Cold energy waste, or even the generation of refrigerant solidification phenomenon can be caused.
The technical solution of the utility model includes:
A kind of marine vehicle cool house and air-conditioner control system using LNG cold energy, including jacket water heating control system, low temperature cold
Library control system, High Temperature Refrigeratory control system, air-conditioner control system and refrigerant Anti-solidification control system.
Wherein jacket water heating control system is by LNG heater (3), cylinder sleeve water cooling system (4), shut-off valve (5), cylinder sleeve
Water transfer pump (6), the first proportioning valve (7) are formed with the first temperature sensor (8) and are connected by placed in series.
Low-temperature cold store control system is by LNG heat exchanger (2), variable frequency pump (9), solenoid valve (10,14,18,22,33), fish library
Heat exchanger (11), meat library heat exchanger (15), buffering between heat exchanger (19), temperature relay (13,17,21), thermometer bulb (12,16,
20), High Temperature Refrigeratory refrigerant heat exchanger (23) and air conditioner coolant heat exchanger (34) composition, wherein thermometer bulb (12,16,20) is respectively placed in
Temperature is measured between fish library, meat library and buffering, temperature relay (13,17,21) is connected with thermometer bulb (12,16,20) respectively, control
The series pipe of the switch of solenoid valve (10,14,18) processed, the first solenoid valve (10) and fish library heat exchanger (11), second solenoid valve
(14) series pipe of heat exchanger (19), the between the series pipe of meat library heat exchanger (15), third solenoid valve (18) and buffering
The series pipe and the 5th solenoid valve (33) and air conditioner coolant of four solenoid valves (22) and High Temperature Refrigeratory refrigerant heat exchanger (23) exchange heat
It is connected in series after the series pipe of device (34) is in parallel with variable frequency pump (9), in LNG heat exchanger (2), LNG walks tube side, low-temperature cold store
The refrigerant of control system walks shell side.
High Temperature Refrigeratory control system by High Temperature Refrigeratory refrigerant heat exchanger (23), first circulation pump (24), solenoid valve (22,25,
29), temperature relay (28,32), thermometer bulb (27,31), vegetable chamber heat exchanger (26) and dried food and nuts library heat exchanger (30) composition, wherein
4th solenoid valve (22) is located in the tube side pipeline of High Temperature Refrigeratory refrigerant heat exchanger (23), and first circulation pumps (24), solenoid valve
(25,29), vegetable chamber heat exchanger (26) and dried food and nuts library heat exchanger (30) are located at the shell side pipe of High Temperature Refrigeratory refrigerant heat exchanger (23)
Lu Zhong, thermometer bulb (27,31), which is respectively placed in dried food and nuts library and vegetable chamber, measures temperature, temperature relay (28,32) respectively with temperature
It wraps (27,31) to be connected, controls the switch of solenoid valve (25,29), the 6th solenoid valve (25) is connected with vegetable chamber heat exchanger (26)
(24) company of series connection is pumped with first circulation after pipeline and the 7th solenoid valve (29) are in parallel with the series pipe of dried food and nuts library heat exchanger (30)
It connects, in High Temperature Refrigeratory refrigerant heat exchanger (23), the refrigerant of low-temperature cold store control system walks tube side, High Temperature Refrigeratory control system
Refrigerant walks shell side.
Air-conditioner control system is by the 5th solenoid valve (33), air conditioner coolant heat exchanger (34), second circulation pump (35), the second ratio
Example valve (36), air cooler (37), second temperature sensor (38) and the 6th thermometer bulb (39) composition, wherein the 6th thermometer bulb (39) is placed in
Temperature is measured at the air port of air cooler (37), second temperature sensor (38) is connected with the 6th thermometer bulb (39), control second
The aperture of proportioning valve (36), the 5th solenoid valve (33) are located in the tube side pipeline of air conditioner coolant heat exchanger (34), the first proportioning valve
(36), second circulation pump (35) and air cooler (37) are located in the shell side pipeline of air conditioner coolant heat exchanger (34), and pass sequentially through
Pipeline is connected in series, and in air conditioner coolant heat exchanger (34), the refrigerant of low-temperature cold store control system walks tube side, air-conditioner control system
Refrigerant walk shell side.
Refrigerant Anti-solidification control system is by the 8th solenoid valve (40), the 6th temperature relay (41), the 9th solenoid valve (42)
It is formed with Anti-solidification heat exchanger (43), wherein the 8th solenoid valve (40) is located in the tube side pipeline of Anti-solidification heat exchanger (43), the
Nine solenoid valves (42) are located in the shell side pipeline of Anti-solidification heat exchanger (43), and in Anti-solidification heat exchanger (43), jacket water walks shell
The refrigerant of journey, low-temperature cold store control system walks tube side.
In the jacket water heating control system, the first temperature sensor (8) measures LNG heater (3) tube side exit
The temperature of BOG controls the aperture of the first proportioning valve (7), and when temperature is higher than design temperature upper limit value, the first proportioning valve (7) is opened
Degree reduces, and when temperature is lower than design temperature lower limit value, the first proportioning valve (7) aperture increases.
In the low-temperature cold store control system, the first temperature relay (13) is measured in fish library by the first thermometer bulb (12)
Temperature controls the switch of the first solenoid valve (10), when fish storehouse temperature is higher than design temperature upper limit value, the first solenoid valve (10)
It opens, when fish storehouse temperature is less than design temperature lower limit value, the first solenoid valve (10) is closed.
Second temperature relay (17) measures the temperature in meat library by the second thermometer bulb (16), controls second solenoid valve (14)
Switch, when meat storehouse temperature be greater than design temperature upper limit value when, second solenoid valve (14) open, when meat storehouse temperature be less than set
When counting temperature upper limit value, second solenoid valve (14) is closed.
Third temperature relay (21) controls third solenoid valve by the temperature in third thermometer bulb (20) measurement buffering
(18) switch, when the interior temperature of buffering is greater than design temperature upper limit value, third solenoid valve (18) is opened, when the interior temperature of buffering
When degree is less than design temperature lower limit value, third solenoid valve (18) is closed.
Variable frequency pump (9) is divided into 5 grades, and 5 grades of revolving speed highests, the quantity that solenoid valve (10,14,18,22) is opened is gear number, works as electromagnetism
When valve (10,14,18,22) closes entirely, variable frequency pump (9) is 1 grade, and the 8th solenoid valve (40) is opened.
In the High Temperature Refrigeratory control system, the 4th temperature relay (28) is measured in vegetable chamber by the 4th thermometer bulb (27)
Temperature, control the 6th solenoid valve (25) switch, when vegetables storehouse temperature be greater than design temperature upper limit value when, the 6th solenoid valve
(25) it opens, when vegetables storehouse temperature is less than design temperature lower limit value, the 6th solenoid valve (25) is closed.
5th temperature relay (32) measures the temperature in dried food and nuts library by the 5th thermometer bulb (31), controls the 7th solenoid valve
(29) switch, when dried food and nuts storehouse temperature is greater than design temperature upper limit value, the 7th solenoid valve (29) is opened, as dried food and nuts Ku Neiwen
When degree is less than design temperature lower limit value, the 7th solenoid valve (29) is closed.
When solenoid valve (25,29) closes entirely, first circulation pumps (24) and stops, while the 4th solenoid valve (22) is closed, and electricity is worked as
In magnet valve (25,29) when an opening, first circulation pumps (24) starting, while the 4th solenoid valve (22) is opened.
In the air-conditioner control system, second temperature sensor (38) is gone out by the 6th thermometer bulb (39) measurement air cooler (37)
Temperature at mouthful controls the aperture of the second proportioning valve (36), and when outlet temperature is greater than design temperature, the second proportioning valve (36) is opened
Degree increase, when outlet temperature be less than design temperature when, the second proportioning valve (36) aperture reduce, when air-conditioning when not in use, second follows
Ring, which pumps (35), to be stopped, and the 5th solenoid valve (33) and the second proportioning valve (36) are closed.
In the refrigerant Anti-solidification control system, when solenoid valve (10,14,18,22) closes entirely, the 8th solenoid valve (40) is opened
It opens, the refrigerant of low-temperature cold store control system flows directly into Anti-solidification heat exchanger (43), and the measurement of the 6th temperature relay (41) is anti-
The temperature of refrigerant at heat exchanger (43) tube side is solidified, the aperture of the 9th solenoid valve (42) is controlled, when the temperature of refrigerant is lower than design
When temperature, the 9th solenoid valve (42) is opened, and when the temperature of refrigerant is higher than design temperature, the 9th solenoid valve (42) is closed, and works as electricity
In magnet valve (10,14,18,22) when a unlatching, the 8th solenoid valve (40) is closed.
Detailed description of the invention
Fig. 1 is the marine vehicle cool house and air-conditioner control system figure using LNG cold energy.
In figure: 1, LNG transfer pump 2, LNG heat exchanger 3, LNG heater 4, cylinder sleeve water cooling system
5, shut-off valve 6, jacket water transfer pump 7, the first proportioning valve 8, the first temperature sensor
9, variable frequency pump 10, the first solenoid valve 11, fish library heat exchanger 12, the first thermometer bulb
13, the first temperature relay 14, second solenoid valve 15, meat library heat exchanger 16, the second thermometer bulb
17, heat exchanger 20, third thermometer bulb between second temperature relay 18, third solenoid valve 19, buffering
21, third temperature relay 22, the 4th solenoid valve 23, High Temperature Refrigeratory refrigerant heat exchanger 24, first circulation pump
25, the 6th solenoid valve 26, vegetable chamber heat exchanger 27, the 4th thermometer bulb 28, the 4th temperature relay
29, the 7th solenoid valve 30, dried food and nuts library heat exchanger 31, the 5th thermometer bulb 32, the 5th temperature relay
33, the 5th solenoid valve 34, air conditioner coolant heat exchanger 35, second circulation pump the 36, second proportioning valve
37, air cooler 38, second temperature sensor 39, the 6th thermometer bulb 40, the 8th solenoid valve
41, the 6th temperature relay 42, the 9th solenoid valve 43, Anti-solidification heat exchanger.
Specific embodiment
Specific embodiment of the present utility model is described with reference to the accompanying drawing, to more fully understand that this is practical new
Type.
In low-temperature cold store control system, since refrigerant will exchange heat with LNG, so the freezing point of refrigerant should be in LNG
Temperature close, and the temperature of LNG is -162 DEG C, so the optional freezing point of refrigerant in low-temperature cold store control system is -160 DEG C
R22, and for High Temperature Refrigeratory control system and air-conditioner control system, the freezing point of refrigerant should be controlled with low-temperature cold store is
The temperature close of refrigerant in system, and in low-temperature cold store control system, the temperature of refrigerant R22 is -30 DEG C, so refrigerant may be selected
30% ethylene glycol solution that freezing point is -16 DEG C.
For whole system, diesel engine entrance BOG, design temperature upper limit value is 45 DEG C, and lower limit value is 5 DEG C；It is low
Warm freezer is divided into fish library and meat library, and design temperature upper limit value is -18 DEG C, and lower limit value is -22 DEG C；For alleviate high and low temperature freezer with
Outdoor temperature difference, between settable buffering, the design temperature upper limit value between buffering is 15 DEG C, and lower limit value is 10 DEG C；High Temperature Refrigeratory
It is divided into vegetable chamber and dried food and nuts library, design temperature upper limit value is 5 DEG C, and lower limit value is 0 DEG C；The design temperature in air-conditioning air cooler exit
It is 18 DEG C, the design temperature of refrigerant is -60 DEG C at Anti-solidification heat exchanger tube pass.
The main working process of system are as follows: LNG fuel enters in LNG heat exchanger (2) after the pressurization of LNG transfer pump (1),
Cold energy is passed into the refrigerant in low-temperature cold store control system, then becomes BOG after the heating of LNG heater (3) and enters ship
It burns in oceangoing ship main diesel engine.
In jacket water heating control system, jacket water, which enters, absorbs diesel oil in the cylinder sleeve water cooling system (4) of diesel engine
The heat of machine, cools down diesel engine, is then divided into two-way after the pressurization of shut-off valve (5) and jacket water transfer pump (6), and one
Road enters in LNG heater (3) after the adjusting of the first proportioning valve (7), LNG fuel is heated to be BOG, all the way through the 9th electromagnetism
Valve (42) enters in Anti-solidification heat exchanger (43), consumes the cold energy of refrigerant in low-temperature cold store control system, the first temperature sensor
(8) temperature of measurement LNG heater (3) tube side outlet BOG, when temperature is higher than design temperature upper limit value, the first proportioning valve (7)
Aperture reduces, and reduces the flow of jacket water, and the temperature of BOG declines, when temperature is lower than design temperature lower limit value, the first proportioning valve
(7) aperture increases, and increases the flow of jacket water, and the temperature of BOG rises, wherein when bring to pull in shore when, jacket water transfer pump (4) stops
Only, shut-off valve (5) is closed.
In low-temperature cold store control system, the refrigerant for obtaining cold energy is divided into five tunnels after the pressurization of variable frequency pump (9).
Enter in fish library heat exchanger (11) after the first solenoid valve (10) all the way, freeze to fish library, wherein the first temperature
Degree relay (13) determines the temperature in fish library by the first thermometer bulb (12) measurement, when fish storehouse temperature is higher than design temperature upper limit value
When, the first solenoid valve (10) is opened, and refrigerant flows into fish library heat exchanger (11), is freezed to fish library, when fish storehouse temperature is small
When design temperature lower limit value, the first solenoid valve (10) is closed, and refrigerant stops supply, and fish storehouse temperature rises.
All the way through freezing in the laggard incarnation library heat exchanger (15) of second solenoid valve (14) to meat library, wherein the second temperature
Relay (17) are spent by the temperature in the second thermometer bulb (16) measurement meat library, when meat storehouse temperature is higher than design temperature upper limit value
When, second solenoid valve (14) is opened, and is allowed refrigerant to flow into meat library heat exchanger (15), is freezed to meat library, when meat storehouse temperature
When less than design temperature lower limit value, second solenoid valve (14) is closed, and refrigerant stops supply, and meat storehouse temperature rises.
In heat exchanger (19), freeze between buffering, wherein third after third solenoid valve (18) between buffering all the way
Temperature relay (21) is by the temperature in third thermometer bulb (20) measurement buffering, when the interior temperature of buffering is higher than in design temperature
When limit value, third solenoid valve (18) is opened, and between allowing refrigerant to flow into buffering in heat exchanger (19), is freezed between buffering, when slow
When the interior temperature of punching is less than design temperature lower limit value, third solenoid valve (18) is closed, and refrigerant stops supplying, in the interior temperature of buffering
It rises.
Enter in High Temperature Refrigeratory refrigerant heat exchanger (23) after the 4th solenoid valve (22) all the way, by low-temperature cold store control system
The cold energy of middle refrigerant passes to the refrigerant in High Temperature Refrigeratory control system.
In High Temperature Refrigeratory control system, the refrigerant for obtaining cold energy is divided into two-way after the pressurization of first circulation pump (24).
Enter in vegetable chamber heat exchanger (26) through the 6th solenoid valve (25) all the way, freezes to vegetable chamber, wherein the 4th
Temperature relay (28) measures the temperature in vegetable chamber by the 4th thermometer bulb (27), when vegetables storehouse temperature is greater than in design temperature
When limit value, the 6th solenoid valve (25) is opened, and refrigerant flows into vegetable chamber heat exchanger (26), is freezed to vegetable chamber, is worked as vegetables
When storehouse temperature is less than design temperature lower limit value, the 6th solenoid valve (25) is closed, and refrigerant stops supply, and vegetable chamber temperature rises.
Another way enters in dried food and nuts library heat exchanger (30) through the 7th solenoid valve (29), freezes to dried food and nuts library, wherein the
Five temperature relays (32) measure the temperature in dried food and nuts library by the 5th thermometer bulb (31), when dried food and nuts storehouse temperature is greater than design temperature
When upper limit value, the 7th solenoid valve (29) is opened, and refrigerant flows into dried food and nuts library heat exchanger (30), is freezed to dried food and nuts library, when dry
When goods storehouse temperature is less than design temperature lower limit value, the 7th solenoid valve (29) is closed, and refrigerant stops supplying, on dried food and nuts storehouse temperature
It rises.
Wherein when solenoid valve (25,27) closes entirely, first circulation pumps (24) and stops, while the 4th solenoid valve (22) is closed,
When an opening in solenoid valve (25,27), first circulation pumps (24) starting, while the 4th solenoid valve (22) is opened.
Enter in air conditioner coolant heat exchanger (34) after the 5th solenoid valve (33) all the way, it will be cold in low-temperature cold store control system
The cold energy of matchmaker passes to the refrigerant in air-conditioner control system.
In air-conditioner control system, the refrigerant of cold energy is obtained after the pressurization of second circulation pump (35) through the second proportioning valve
(36) adjusting, which enters, discharges cold energy in air cooler (37), freeze to the air in air cooler, wherein second temperature senses
Device (38) measures the temperature in air cooler (37) exit by the 6th thermometer bulb (39), when the temperature in exit is greater than design temperature
When, the second proportioning valve (36) aperture increases, and increases the flow of refrigerant, the temperature of exit air is reduced, when the temperature in exit
When less than design temperature, the second proportioning valve (36) aperture reduces, and exit air themperature rises, and maintains air cooler (37) exit
The stabilization of temperature, when air-conditioning when not in use, second circulation pump (36) stop, the 5th solenoid valve (33) and the second proportioning valve (36) pass
It closes.
In low-temperature cold store control system, variable frequency pump (9) is divided into 5 grades, 5 grades of revolving speed highests, solenoid valve (10,14,18,22,
33) quantity opened be gear number, when ship, which brings to, to pull in shore, solenoid valve (10,14,18,22,33) entirely close, and when solenoid valve (10,
14,18,22,33) full when closing, variable frequency pump (9) is 1 grade, and the 8th solenoid valve (40) is opened, the refrigerant after variable frequency pump (9) pressurization
It flows directly into Anti-solidification heat exchanger (43), the 7th temperature relay (41) measures refrigerant at Anti-solidification heat exchanger (43) tube side
Temperature, when the temperature of refrigerant is lower than design temperature, the 9th solenoid valve (42) is opened, and jacket water flows into Anti-solidification heat exchanger (43)
In, the cold energy of refrigerant is consumed, refrigerant temperature rises, and when the temperature of refrigerant is higher than design temperature, the 9th solenoid valve (42) is closed,
Jacket water stops supply, and cold energy increases in refrigerant, refrigerant temperature decline.
Claims (6)
1. a kind of marine vehicle cool house and air-conditioner control system using LNG cold energy, including jacket water heating control system, low-temperature cold store
Control system, High Temperature Refrigeratory control system, air-conditioner control system and refrigerant Anti-solidification control system,
Wherein jacket water heating control system is supplied by LNG heater (3), cylinder sleeve water cooling system (4), shut-off valve (5), jacket water
(6) should be pumped, the first proportioning valve (7) and the first temperature sensor (8) form and are connected by placed in series,
Low-temperature cold store control system is exchanged heat by LNG heat exchanger (2), variable frequency pump (9), solenoid valve (10,14,18,22,33), fish library
Heat exchanger (19), temperature relay (13,17,21), thermometer bulb (12,16,20), height between device (11), meat library heat exchanger (15), buffering
Warm freezer refrigerant heat exchanger (23) and air conditioner coolant heat exchanger (34) composition, wherein thermometer bulb (12,16,20) be respectively placed in fish library,
Temperature is measured between meat library and buffering, temperature relay (13,17,21) is connected with thermometer bulb (12,16,20) respectively, control electricity
The series pipe of the switch of magnet valve (10,14,18), the first solenoid valve (10) and fish library heat exchanger (11), second solenoid valve (14)
The series pipe of heat exchanger (19), the 4th electricity between the series pipe, third solenoid valve (18) and buffering of meat library heat exchanger (15)
The series pipe and the 5th solenoid valve (33) and air conditioner coolant heat exchanger of magnet valve (22) and High Temperature Refrigeratory refrigerant heat exchanger (23)
(34) it is connected in series after series pipe is in parallel with variable frequency pump (9), in LNG heat exchanger (2), LNG walks tube side, low-temperature cold store control
The refrigerant of system processed walks shell side,
High Temperature Refrigeratory control system by High Temperature Refrigeratory refrigerant heat exchanger (23), first circulation pump (24), solenoid valve (22,25,29),
Temperature relay (28,32), thermometer bulb (27,31), vegetable chamber heat exchanger (26) and dried food and nuts library heat exchanger (30) composition, wherein the 4th
Solenoid valve (22) is located in the tube side pipeline of High Temperature Refrigeratory refrigerant heat exchanger (23), first circulation pump (24), solenoid valve (25,
29), vegetable chamber heat exchanger (26) and dried food and nuts library heat exchanger (30) are located in the shell side pipeline of High Temperature Refrigeratory refrigerant heat exchanger (23),
Thermometer bulb (27,31), which is respectively placed in dried food and nuts library and vegetable chamber, measures temperature, temperature relay (28,32) respectively with thermometer bulb (27,
31) be connected, control the switch of solenoid valve (25,29), the series pipe of the 6th solenoid valve (25) and vegetable chamber heat exchanger (26) and
It is connected in series after 7th solenoid valve (29) is in parallel with the series pipe of dried food and nuts library heat exchanger (30) with first circulation pump (24), in height
In warm freezer refrigerant heat exchanger (23), the refrigerant of low-temperature cold store control system walks tube side, and the refrigerant of High Temperature Refrigeratory control system is walked
Shell side,
Air-conditioner control system pumps (35), the second proportioning valve by the 5th solenoid valve (33), air conditioner coolant heat exchanger (34), second circulation
(36), air cooler (37), second temperature sensor (38) and the 6th thermometer bulb (39) composition, wherein the 6th thermometer bulb (39) be placed in it is air-cooled
Temperature is measured at the air port of device (37), second temperature sensor (38) is connected with the 6th thermometer bulb (39), controls the second ratio
The aperture of valve (36), the 5th solenoid valve (33) are located in the tube side pipeline of air conditioner coolant heat exchanger (34), the first proportioning valve (7),
Second circulation pump (35) and air cooler (37) are located in the shell side pipeline of air conditioner coolant heat exchanger (34), and pass sequentially through pipeline string
Connection connection, in air conditioner coolant heat exchanger (34), the refrigerant of low-temperature cold store control system walks tube side, the refrigerant of air-conditioner control system
Shell side is walked,
Refrigerant Anti-solidification control system is by the 8th solenoid valve (40), the 6th temperature relay (41), the 9th solenoid valve (42) and prevents
Heat exchanger (43) composition is solidified, wherein the 8th solenoid valve (40) is located in the tube side pipeline of Anti-solidification heat exchanger (43), the 9th electricity
Magnet valve (42) is located in the shell side pipeline of Anti-solidification heat exchanger (43), and in Anti-solidification heat exchanger (43), jacket water walks shell side, low
The refrigerant of warm Cold Storage Control System walks tube side.
2. a kind of marine vehicle cool house and air-conditioner control system using LNG cold energy according to claim 1, which is characterized in that
In the jacket water heating control system, the first temperature sensor (8) measures the temperature of LNG heater (3) tube side exit BOG
Degree controls the aperture of the first proportioning valve (7), and when temperature is higher than design temperature upper limit value, the first proportioning valve (7) aperture reduces,
When temperature is lower than design temperature lower limit value, the first proportioning valve (7) aperture increases.
3. a kind of marine vehicle cool house and air-conditioner control system using LNG cold energy according to claim 1, which is characterized in that
In the low-temperature cold store control system, the first temperature relay (13) measures the temperature in fish library, control by the first thermometer bulb (12)
The switch for making the first solenoid valve (10), when fish storehouse temperature is higher than design temperature upper limit value, the first solenoid valve (10) is opened, when
When fish storehouse temperature is less than design temperature lower limit value, the first solenoid valve (10) is closed,
Second temperature relay (17) measures the temperature in meat library by the second thermometer bulb (16), and control second solenoid valve (14) is opened
It closes, when meat storehouse temperature is greater than design temperature upper limit value, second solenoid valve (14) is opened, when meat storehouse temperature is less than design temperature
When spending lower limit value, second solenoid valve (14) is closed；
Third temperature relay (21) controls third solenoid valve (18) by the temperature in third thermometer bulb (20) measurement buffering
Switch, when the interior temperature of buffering is greater than design temperature upper limit value, third solenoid valve (18) is opened, when the interior temperature of buffering is less than
When design temperature lower limit value, third solenoid valve (18) is closed；
Variable frequency pump (9) is divided into 5 grades, and 5 grades of revolving speed highests, the quantity that solenoid valve (10,14,18,22) is opened is gear number, works as solenoid valve
When (10,14,18,22) are closed entirely, variable frequency pump (9) is 1 grade, and the 8th solenoid valve (40) is opened.
4. a kind of marine vehicle cool house and air-conditioner control system using LNG cold energy according to claim 1, which is characterized in that
In the High Temperature Refrigeratory control system, the 4th temperature relay (28) measures the temperature in vegetable chamber by the 4th thermometer bulb (27),
The switch for controlling the 6th solenoid valve (25), when vegetables storehouse temperature is greater than design temperature upper limit value, the 6th solenoid valve (25) is opened
It opens, when vegetables storehouse temperature is less than design temperature lower limit value, the 6th solenoid valve (25) is closed,
5th temperature relay (32) measures the temperature in dried food and nuts library by the 5th thermometer bulb (31), the 7th solenoid valve (29) of control
Switch, when dried food and nuts storehouse temperature is greater than design temperature upper limit value, the 7th solenoid valve (29) is opened, when dried food and nuts storehouse temperature is less than
When design temperature lower limit value, the 7th solenoid valve (29) is closed；
When solenoid valve (25,29) closes entirely, first circulation pumps (24) and stops, while the 4th solenoid valve (22) is closed, and solenoid valve is worked as
In (25,29) when an opening, first circulation pumps (24) starting, while the 4th solenoid valve (22) is opened.
5. a kind of marine vehicle cool house and air-conditioner control system using LNG cold energy according to claim 1, which is characterized in that
In the air-conditioner control system, second temperature sensor (38) measures the temperature in air cooler (37) exit by the 6th thermometer bulb (39)
Degree controls the aperture of the second proportioning valve (36), and when outlet temperature is greater than design temperature, the second proportioning valve (36) aperture increases,
When outlet temperature be less than design temperature when, the second proportioning valve (36) aperture reduce, when air-conditioning when not in use, second circulation pump (35)
Stop, the 5th solenoid valve (33) and the second proportioning valve (36) are closed.
6. a kind of marine vehicle cool house and air-conditioner control system using LNG cold energy according to claim 1, which is characterized in that
In the refrigerant Anti-solidification control system, when solenoid valve (10,14,18,22) closes entirely, the 8th solenoid valve (40) is opened, low temperature
The refrigerant of Cold Storage Control System flows directly into Anti-solidification heat exchanger (43), and the 6th temperature relay (41) measures Anti-solidification heat exchange
The temperature of refrigerant at device (43) tube side controls the aperture of the 9th solenoid valve (42), when the temperature of refrigerant is lower than design temperature, the
Nine solenoid valves (42) open, when the temperature of refrigerant be higher than design temperature when, the 9th solenoid valve (42) close, when solenoid valve (10,
14,18,22) in a unlatching when, the 8th solenoid valve (40) is closed.
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| CN201821187104.8U CN208520077U (en) | 2018-07-26 | 2018-07-26 | A kind of marine vehicle cool house and air-conditioner control system using LNG cold energy |
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| CN201821187104.8U CN208520077U (en) | 2018-07-26 | 2018-07-26 | A kind of marine vehicle cool house and air-conditioner control system using LNG cold energy |
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| CN208520077U true CN208520077U (en) | 2019-02-19 |
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| CN115158625A (en) * | 2022-07-15 | 2022-10-11 | 上海外高桥造船有限公司 | System and method for recycling cold energy of low-temperature fuel of ship and ship |
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