CN103363606A - Multi-cold-source ice storage air conditioning system with liquid level balance mechanism - Google Patents
Multi-cold-source ice storage air conditioning system with liquid level balance mechanism Download PDFInfo
- Publication number
- CN103363606A CN103363606A CN2013102962711A CN201310296271A CN103363606A CN 103363606 A CN103363606 A CN 103363606A CN 2013102962711 A CN2013102962711 A CN 2013102962711A CN 201310296271 A CN201310296271 A CN 201310296271A CN 103363606 A CN103363606 A CN 103363606A
- Authority
- CN
- China
- Prior art keywords
- valve
- ice
- communicated
- motor
- ice storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
The invention provides a multi-cold-source ice storage air conditioning system with a liquid level balance mechanism. The multi-cold-source ice storage air conditioning system comprises a cold recovering system, an ice storage device, an air conditioning load side system, a first ice storage pump, a refrigerating unit and the liquid level balance mechanism. The multi-cold-source ice storage air conditioning system has the benefits that the ice storage air conditioning system can realize recycle, storage and utilization of cold energy, saves resources, and improves the utilization efficiency of cold energy; as LNG (Liquefied Natural Gas) cold energy and a refrigerating unit are used for supplying cold together, the use requirements of users on the air conditioning system can be met, all resources can be fully used, and an active role on reducing energy consumption is played effectively; the liquid level balance mechanism solves the liquid level equilibrium problem of a first ice storage tank and a second ice storage tank; as a siphon pipe is omitted, cold loss generated by the siphon pipe can be reduced, and the cold accumulation efficiency is improved; for an indoor machine room, ice tanks can make full use of the height space in the machine room to reduce the occupied area of the ice tanks, so as to reduce construction cost of the machine room; for an outdoor machine room, the overall aesthetics of the ice tanks is improved.
Description
Technical field
The present invention relates to cold energy storage and use device, relate in particular to the multi-freezing pipe ice-storage air-conditioning system with liquid level equilibrium mechanism.
Background technology
Ice-storage air-conditioning system is to utilize night the low ebb electricity price to carry out ice-reserving, and daytime is the ice-melt cooling during peak electricity tariff, thereby realizes reducing the air-conditioning system of operating cost, balance electrical network power load.Traditional ice-storage air-conditioning system low-temperature receiver is more single, usually adopts electrical chillers, and ice storage unit is comprised of one or more ice grooves, system's when operation different ice grooves cold-storages or let cool simultaneously simultaneously.When system introduced other low-temperature receivers, the single operational mode of ice groove can't satisfy the requirement of different low-temperature receiver collaborative works.
The LNG gasification can produce a large amount of cold energy, and this part cold energy has been wasted mostly at present, has caused the waste of resource.Be necessary for the building that the cold energy recoverable is arranged the ice-storage air-conditioning system that the exploitation conventional energy resource combines with cold energy recycle.LNG cold energy and electrical chillers are worked in coordination with cooling, can satisfy the requirement that user's air-conditioning system is used, and can take full advantage of various resources again, and effective reduction energy consumption is played positive role.
In present technology, in the Ice Storage Tank that adopts Ice, be ethylene glycol solution in the groove, ethylene glycol solution is refrigerating medium, ice hockey is immersed in the ethylene glycol solution.At mega project or have in the ice cold-storage project of multiple low-temperature receiver; two or more Ice Storage Tank are arranged usually; when ice-melt lets cool or a plurality of Ice Storage Tank air conditionings in parallel are arranged; for guaranteeing the balance of pressure in the discharging cold course; guarantee the same Cheng Yunhang of each Ice Storage Tank pipeline in the parallel connection; siphon pipe can be set at the top of each Ice Storage Tank usually connect, reach the purpose of each Ice Storage Tank liquid level equal height.Siphon pipe can there are the following problems but adopt: for indoor Ice Storage Tank, because the height of machine room is usually at 4.5 ~ 5 meters, and siphonal height requires 1 ~ 1.5 meter at least, this just need to be reduced to the Ice Storage Tank height in 3 meters, the Ice Storage Tank floor space significantly increases, because the Ice Storage Tank height reduces, the heat exchange efficiency of ice hockey will be affected simultaneously; For outdoor Ice Storage Tank, at the Ice Storage Tank top siphon pipe is set, can affect the overall appearance of ice groove.
Summary of the invention
In order to solve the problems of the prior art, the invention provides a kind of multi-freezing pipe ice-storage air-conditioning system with liquid level equilibrium mechanism.
The invention provides a kind of multi-freezing pipe ice-storage air-conditioning system with liquid level equilibrium mechanism, comprise cold recovery system, ice storage unit, the air conditioner load side system, the first ice-reserving pump, refrigeration unit, described cold recovery system comprises primary heat exchanger, secondary heat exchanger, the heat exchanging liquid output channel, the heat exchanging liquid input channel, refrigerant tank, elementary cold recovery pump, the second ice-reserving pump, described primary heat exchanger is provided with liquefied natural gas input channel and natural gas output channel, described heat exchanging liquid output channel one end is communicated with described primary heat exchanger, the described heat exchanging liquid output channel other end is communicated with described secondary heat exchanger, described refrigerant tank and described elementary cold recovery pump are installed on described heat exchanging liquid output channel successively, described heat exchanging liquid input channel one end is communicated with described secondary heat exchanger, and the described heat exchanging liquid input channel other end is communicated with described primary heat exchanger; Described ice storage unit comprises the first Ice Storage Tank, the second Ice Storage Tank, the first valve, the second valve, the 5th valve, the 6th valve, the 7th valve, the 8th valve, the first system pipeline, the second system pipeline, the 3rd system pipeline, Quaternary system road under the overall leadership, liquid level equilibrium mechanism, described the first Ice Storage Tank is in parallel with described the second Ice Storage Tank, described the first Ice Storage Tank is provided with for the first ice barrel road of feed liquor and fluid and the second ice barrel road, described the second Ice Storage Tank is provided with for the 3rd ice barrel road of feed liquor and fluid and the 4th ice barrel road, described the first ice barrel road and described the 3rd ice barrel road are communicated with described the 3rd system pipeline respectively, and described the second ice barrel road and described the 4th ice barrel road are communicated with described Quaternary system road under the overall leadership respectively; Described the first valve is arranged at the place, Quaternary system road under the overall leadership between described the second ice barrel road and described the 4th ice barrel road, described the second valve is arranged at the 3rd system pipeline place between described the first ice barrel road and described the 3rd ice barrel road, described the 7th valve is positioned at described the first ice place, barrel road, and described the 8th valve is positioned at described the 3rd ice place, barrel road; Described the first system pipeline is communicated with described the first ice barrel road, and described the 6th valve is arranged at described the first system pipeline place, and described second system pipeline is communicated with described the second ice barrel road, and described the 5th valve is arranged at described second system pipeline place; Described the second ice-reserving pump is installed on described the 3rd system pipeline, and described secondary heat exchanger is communicated with described the 3rd system pipeline and described Quaternary system road under the overall leadership respectively; Described the first ice-reserving pump input and described second system pipeline communication, described the first ice-reserving pump output terminal is communicated with described refrigeration unit input, described refrigeration unit output and described the first system pipeline communication; Described air conditioner load side system comprises ice-melt pump, plate type heat exchanger, water knockout drum, water collector, differential-pressure bypass valve, chilled water pump, the first connecting pipe, the second connecting pipe, the first circulating line, the second circulating line, described the first connecting pipe one end is connected with described the first system pipeline, the described first connecting pipe other end is communicated with described plate type heat exchanger, and described ice-melt pump is installed on described the first connecting pipe; Described the second connecting pipe one end is connected with described second system pipeline, and the described second connecting pipe other end is communicated with described plate type heat exchanger; Described the first circulating line one end is communicated with described plate type heat exchanger, and the described first circulating line other end is communicated with described water knockout drum; Be connected with described differential-pressure bypass valve between described water knockout drum and the described water collector; Described the second circulating line one end is communicated with described water collector, and the described second circulating line other end is communicated with described plate type heat exchanger, and described chilled water pump is installed on described the second circulating line; Described liquid level equilibrium mechanism comprises the first leakage fluid dram, the second leakage fluid dram, the first discharging tube, the second discharging tube, the first balanced valve, the second balanced valve, balance pipe, described the first Ice Storage Tank has described the first leakage fluid dram, described the second Ice Storage Tank has described the second leakage fluid dram, described the first discharging tube one end is communicated with described the first leakage fluid dram, and the described first discharging tube other end is communicated with described the first balanced valve one end; Described the second discharging tube one end is communicated with described the second leakage fluid dram, and the described second discharging tube other end is communicated with described the second balanced valve one end; Described balance pipe two ends are communicated with the described first balanced valve other end and the described second balanced valve other end respectively.
As a further improvement on the present invention, described cold recovery system also comprises air-heating type gasifier and pressure regulating metering device, and described air-heating type gasifier and pressure regulating metering device are installed on the described natural gas output channel successively.
As a further improvement on the present invention, described air conditioner load side system comprises that plate changes by-pass line, the 9th valve, described plate changes by-pass line one end and is communicated with described the first connecting pipe, described plate changes the by-pass line other end and is communicated with described the second connecting pipe, and described the 9th valve installation changes on the by-pass line at described plate.
As a further improvement on the present invention, described air conditioner load side system also comprises the tenth valve, and described the tenth valve installation is on described the first circulating line.
As a further improvement on the present invention, described air conditioner load side system comprises the 3rd valve and the 4th valve, described the 3rd valve installation is on described the first system pipeline, and described the 3rd valve is adjacent to described the first system pipeline and described the first connecting pipe tie point position; Described the 4th valve installation is on described second system pipeline, and described the 4th valve is adjacent to described second system pipeline and described the second connecting pipe tie point position.
As a further improvement on the present invention, the pipeline of described refrigeration unit output and described the first system pipeline communication is provided with the 11 valve, described the 3rd valve is the 3rd motor-driven valve, described the 4th valve is the 4th motor-driven valve, described the 9th valve is the 9th motor-driven valve, described the tenth valve is the tenth motor-driven valve, and described the 11 valve is the 11 motor-driven valve.
As a further improvement on the present invention, described the 5th valve is the 5th motor-driven valve, on described second system pipeline and be positioned at described the 5th motor-driven valve both sides and respectively be provided with a block valve; Described the 6th valve is the 6th motor-driven valve, on described the first system pipeline and be positioned at described the 6th motor-driven valve both sides and respectively be provided with a block valve.
As a further improvement on the present invention, described the first valve is the first motor-driven valve, ices on barrel road and the described the 4th Quaternary system road under the overall leadership of icing between the barrel road and be positioned at described the first motor-driven valve both sides described second respectively to be provided with a block valve; Described the second valve is the second motor-driven valve, ices on barrel road and the described the 3rd the 3rd system pipeline of icing between the barrel road and be positioned at described the second motor-driven valve both sides described first respectively to be provided with a block valve; Described the 7th valve is the 7th motor-driven valve, ices on the barrel road and be positioned at described the 7th motor-driven valve both sides described first respectively to be provided with a block valve; Described the 8th valve is the 8th motor-driven valve, ices on the barrel road and be positioned at described the 8th motor-driven valve both sides the described the 3rd respectively to be provided with a block valve; Described the second ice barrel road is provided with block valve, and described the 4th ice barrel road is provided with block valve.
As a further improvement on the present invention, described balance pipe one end is removable the connection with the described first balanced valve other end, and the described balance pipe other end is removable the connection with the described second balanced valve other end; The described first discharging tube other end is removable the connection with described the first balanced valve one end, and the described second discharging tube other end is removable the connection with described the second balanced valve one end.
As a further improvement on the present invention, the described first discharging tube other end is that flange is connected with described the first balanced valve one end, and the described second discharging tube other end is that flange is connected with described the second balanced valve one end; Described balance pipe one end is that flange is connected with the described first balanced valve other end, and the described balance pipe other end is that flange is connected with the described second balanced valve other end; Described the first leakage fluid dram is the sewage draining exit of described the first Ice Storage Tank, and described the second leakage fluid dram is the sewage draining exit of described the second Ice Storage Tank.
The invention has the beneficial effects as follows: ice-storage air-conditioning system of the present invention has been realized the recovery of cold energy and the utilization of storage and cold energy, saved resource, improved cold energy use efficient, LNG cold energy and refrigeration unit are worked in coordination with cooling, can satisfy the requirement that user's air-conditioning system is used, can take full advantage of various resources again, effective reduction energy consumption is played positive role; Liquid level equilibrium mechanism has solved the liquid level equilibrium problem of the first Ice Storage Tank and the second Ice Storage Tank, owing to cancelled siphon pipe, has reduced the loss of refrigeration capacity that siphon pipe produces, and has improved cold-storage efficient.For indoor machine room, the ice groove can take full advantage of the height space of machine room, reduces to ice the groove floor space, saves the machine room cost; Improved the overall aesthetics of ice groove for outdoor machine room.
Description of drawings
Fig. 1 is multi-freezing pipe ice-storage air-conditioning system theory diagram of the present invention.
Fig. 2 is liquid level equilibrium structural scheme of mechanism of the present invention.
Fig. 3 is operational mode control mode table of the present invention.
The specific embodiment
As depicted in figs. 1 and 2, the invention discloses a kind of multi-freezing pipe ice-storage air-conditioning system with liquid level equilibrium mechanism, comprise cold recovery system 4, ice storage unit 10, air conditioner load side system 3, the first ice-reserving pump 6, refrigeration unit 7, described cold recovery system 4 comprises primary heat exchanger 401, secondary heat exchanger 402, heat exchanging liquid output channel 403, heat exchanging liquid input channel 404, refrigerant tank 405, elementary cold recovery pump 406, the second ice-reserving pump 5, described primary heat exchanger 401 is provided with liquefied natural gas input channel 407 and natural gas output channel 408, described heat exchanging liquid output channel 403 1 ends are communicated with described primary heat exchanger 401, described heat exchanging liquid output channel 403 other ends are communicated with described secondary heat exchanger 402, described refrigerant tank 405 and described elementary cold recovery pump 406 are installed on described heat exchanging liquid output channel 403 successively, described heat exchanging liquid input channel 404 1 ends are communicated with described secondary heat exchanger 402, and described heat exchanging liquid input channel 404 other ends are communicated with described primary heat exchanger 401; Described ice storage unit 10 comprises the first Ice Storage Tank 1, the second Ice Storage Tank 2, the first valve, the second valve, the 5th valve, the 6th valve, the 7th valve, the 8th valve, the first system pipeline 101, second system pipeline 102, the 3rd system pipeline 103, Quaternary system road 104 under the overall leadership, liquid level equilibrium mechanism, described the first Ice Storage Tank 1 is in parallel with described the second Ice Storage Tank 2, described the first Ice Storage Tank 1 is provided with for the first ice barrel road 105 of feed liquor and fluid and the second ice barrel road 106, described the second Ice Storage Tank 2 is provided with for the 3rd ice barrel road 107 of feed liquor and fluid and the 4th ice barrel road 108, described the first ice barrel road 105 and described the 3rd ice barrel road 107 are communicated with described the 3rd system pipeline 103 respectively, and described the second ice barrel road 106 and described the 4th ice barrel road 108 are communicated with described Quaternary system road 104 under the overall leadership respectively; Described the first valve is arranged at 104 places, Quaternary system road under the overall leadership between described the second ice barrel road 106 and described the 4th ice barrel road 108, described the second valve is arranged at the 3rd system pipeline 103 places between described the first ice barrel road 105 and described the 3rd ice barrel road 107, described the 7th valve is positioned at described the first ice 105 places, barrel road, and described the 8th valve is positioned at described the 3rd ice 107 places, barrel road; Described the first system pipeline 101 is communicated with described the first ice barrel road 105, described the 6th valve is arranged at described the first system pipeline 101 places, described second system pipeline 102 is communicated with described the second ice barrel road 106, and described the 5th valve is arranged at described second system pipeline 102 places; Described the second ice-reserving pump 5 is installed on described the 3rd system pipeline 103, and described secondary heat exchanger 402 is communicated with described the 3rd system pipeline 103 and described Quaternary system road 104 under the overall leadership respectively; Described the first ice-reserving pump 6 inputs are communicated with described second system pipeline 102, and described the first ice-reserving pump 6 outputs are communicated with described refrigeration unit 7 inputs, and described refrigeration unit 7 outputs are communicated with described the first system pipeline 101; Described air conditioner load side system 3 comprises ice-melt pump 301, plate type heat exchanger 302, water knockout drum 303, water collector 304, differential-pressure bypass valve 305, chilled water pump 306, the first connecting pipe 307, the second connecting pipe 308, the first circulating line 309, the second circulating line 310, described the first connecting pipe 307 1 ends are connected with described the first system pipeline (101), described the first connecting pipe (307) other end is communicated with described plate type heat exchanger 302, and described ice-melt pump 301 is installed on described the first connecting pipe 307; Described the second connecting pipe 308 1 ends are connected with described second system pipeline 102, and described the second connecting pipe 308 other ends are communicated with described plate type heat exchanger 302; Described the first circulating line 309 1 ends are communicated with described plate type heat exchanger 302, and described the first circulating line 309 other ends are communicated with described water knockout drum 303; Be connected with described differential-pressure bypass valve 305 between described water knockout drum 303 and the described water collector 304; Described the second circulating line 310 1 ends are communicated with described water collector 304, and described the second circulating line 310 other ends are communicated with described plate type heat exchanger 302, and described chilled water pump 306 is installed on described the second circulating line 310; Described liquid level equilibrium mechanism comprises the first leakage fluid dram 801, the second leakage fluid dram 802, the first discharging tube 803, the second discharging tube 804, the first balanced valve 805, the second balanced valve 806, balance pipe 807, described the first Ice Storage Tank 1 has described the first leakage fluid dram 801, described the second Ice Storage Tank 2 has described the second leakage fluid dram 802, described the first discharging tube 803 1 ends are communicated with described the first leakage fluid dram 801, and described the first discharging tube 803 other ends are communicated with described the first balanced valve 805 1 ends; Described the second discharging tube 804 1 ends are communicated with described the second leakage fluid dram 802, and described the second discharging tube 804 other ends are communicated with described the second balanced valve 806 1 ends; Described balance pipe 807 two ends are communicated with described the first balanced valve 805 other ends and described the second balanced valve 806 other ends respectively.
Described cold recovery system 4 also comprises air-heating type gasifier 409 and pressure regulating metering device 410, and described air-heating type gasifier 409 and pressure regulating metering device 410 are installed on the described natural gas output channel 408 successively.
Described air conditioner load side system 3 comprises that plate changes by-pass line 311, the 9th valve, described plate changes by-pass line 311 1 ends and is communicated with described the first connecting pipe 307, described plate changes by-pass line 311 other ends and is communicated with described the second connecting pipe 308, and described the 9th valve installation changes on the by-pass line 311 at described plate.
Described air conditioner load side system 3 also comprises the tenth valve, and described the tenth valve installation is on described the first circulating line 309.
Described air conditioner load side system 3 comprises the 3rd valve and the 4th valve, and described the 3rd valve installation is on described the first system pipeline 101, and described the 3rd valve is adjacent to described the first system pipeline 101 and described the first connecting pipe 307 tie point positions; Described the 4th valve installation is on described second system pipeline 102, and described the 4th valve is adjacent to described second system pipeline 102 and described the second connecting pipe 308 tie point positions.
Described refrigeration unit 7 outputs are provided with the 11 valve with the pipeline that described the first system pipeline 101 is communicated with, described the 3rd valve is the 3rd motor-driven valve V3, described the 4th valve is the 4th motor-driven valve V4, described the 9th valve is the 9th motor-driven valve V9, described the tenth valve is the tenth motor-driven valve V10, and described the 11 valve is the 11 motor-driven valve V11.
Described the 5th valve is the 5th motor-driven valve V5, on described second system pipeline 102 and be positioned at described the 5th motor-driven valve V5 both sides and respectively be provided with a block valve; Described the 6th valve is the 6th motor-driven valve V6, on described the first system pipeline 101 and be positioned at described the 6th motor-driven valve V6 both sides and respectively be provided with a block valve.
Described the first valve is the first motor-driven valve V1, ices on barrel road 106 and the described the 4th Quaternary system road 104 under the overall leadership of icing between the barrel road 108 and be positioned at described the first motor-driven valve V1 both sides described second respectively to be provided with a block valve; Described the second valve is the second motor-driven valve V2, ices on barrel road 105 and the described the 3rd the 3rd system pipeline 103 of icing between the barrel road 107 and be positioned at described the second motor-driven valve V2 both sides described first respectively to be provided with a block valve.
Described the 7th valve is the 7th motor-driven valve V7, ices on the barrel road 105 and be positioned at described the 7th motor-driven valve V7 both sides described first respectively to be provided with a block valve; Described the 8th valve is the 8th motor-driven valve V8, ices on the barrel road 107 and be positioned at described the 8th motor-driven valve V8 both sides the described the 3rd respectively to be provided with a block valve.
Described the second ice barrel road 106 is provided with block valve, and described the 4th ice barrel road 108 is provided with block valve.
Described the first discharging tube 803 other ends are removable the connection with described the first balanced valve 805 1 ends, and described the second discharging tube 804 other ends are removable the connection with described the second balanced valve 806 1 ends.
Described balance pipe 807 1 ends are removable the connection with described the first balanced valve 805 other ends, and described balance pipe 807 other ends are removable the connection with described the second balanced valve 806 other ends.
Described the first discharging tube 803 other ends are that flange is connected with described the first balanced valve 805 1 ends, and described the second discharging tube 804 other ends are that flange is connected with described the second balanced valve 806 1 ends; Described balance pipe 807 1 ends are that flange is connected with described the first balanced valve 805 other ends, and described balance pipe 807 other ends are that flange is connected with described the second balanced valve 806 other ends.
Described the first leakage fluid dram 801 is the sewage draining exit of described the first Ice Storage Tank 1, and described the second leakage fluid dram 802 is the sewage draining exit of described the second Ice Storage Tank 2.
The first Ice Storage Tank 1 and the second Ice Storage Tank 2 are separately installed with liquid level gauge, can read at any time the liquid level of the first Ice Storage Tank 1 and the second Ice Storage Tank 2.
When the liquid level of the first Ice Storage Tank 1 and the second Ice Storage Tank 2 is inconsistent, need to adjust the liquid level of two ice grooves.The first balanced valve 805 and the second balanced valve 806 are opened, and according to law of connected vessels, the first Ice Storage Tank 1 and the second Ice Storage Tank 2 will reach same liquid level automatically.
When the first Ice Storage Tank 1 and the second Ice Storage Tank 2 synchronous working, i.e. simultaneously ice-reserving or simultaneously cooling, the first balanced valve 805 and 806 unlatchings of the second balanced valve.The first Ice Storage Tank 1 and the second Ice Storage Tank 2 are UNICOM's state, and the liquid in the Ice Storage Tank can reach the liquid level equilibrium state automatically.
When the first Ice Storage Tank 1 and the second Ice Storage Tank 2 asynchronous working, i.e. the second Ice Storage Tank 2 ice-reservings when the first Ice Storage Tank 1 cooling, or single Ice Storage Tank cooling or ice-reserving, the first balanced valve 805 and the second balanced valve 806 are closed.The first Ice Storage Tank 1 and the second Ice Storage Tank 2 are in separate state.
When the first Ice Storage Tank 1 and/or the second Ice Storage Tank 2 needed blowdown or maintenance, dismountable balance pipe 807 was opened 806 pairs of ice of the first balanced valve 805 and/or the second balanced valve groove and is carried out blowdown or maintenance.
Ice storage unit 10 of the present invention has adopted the mode of two groups of Ice Storage Tank 1,2 different journey parallel connections, and by the motor-driven valves control between two groups of ice grooves 1,2, the process that has solved cold-storage at one time and let cool.
The cold recovery system 4 of the present invention can reclaim cold energy and the first Ice Storage Tank 1 and/or the second Ice Storage Tank 2 that cold energy transfers to ice storage unit are carried out cold-storage, and the first Ice Storage Tank 1 of described ice storage unit and/or the second Ice Storage Tank 2 can provide cold energy to use to air conditioner load side system 3.
In cold recovery system 4, LNG(-162 ℃) in primary heat exchanger 401, carry out heat exchange with freon (5 ℃, R404A), LNG is gasificated into gas after the heat exchange, temperature rises to about-10 ℃, enter air-heating type gasifier 409 temperature and rise to 15 ℃, behind pressure regulating metering device 410, enter gas distributing system.Freon (5 ℃, R404A) in primary heat exchanger 401 after the heat exchange temperature be down to-33 ℃ approximately, enter secondary heat exchanger 402 through elementary cold recovery pump 406, freon in secondary heat exchanger 402 (33 ℃, R404A) and ethylene glycol solution (1 ℃, 30%) heat exchange, the freon temperature is increased to-5 ℃ after the heat exchange, returns and forms circulation in the primary heat exchanger 401.Ethylene glycol solution (1 ℃, 30%) temperature after secondary heat exchanger 402 heat exchange is reduced to-6 ℃, enters the first Ice Storage Tank 1 and/or the second Ice Storage Tank 2 is emitted cold.
LNG is the abbreviation of liquefied natural gas.
In ice storage unit 10, Ice-storing ball (phase transition temperature the is 0 ℃) heat exchange of ethylene glycol solution (6 ℃, 30%) and the first Ice Storage Tank 1 and/or the second Ice Storage Tank 2, the ethylene glycol solution temperature rises to-1 ℃ and gets back to secondary heat exchanger 402 after the heat exchange; Phase transformation solution after the heat exchange in the Ice-storing ball undergoes phase transition, and cold is stored, and temperature is 0 ℃.Heat exchange in the Ice Storage Tank is a process of cool, and when the ethylene glycol solution temperature after the heat exchange was reduced to-6 ℃ gradually, the ice in the Ice Storage Tank held full, and the ice-reserving process finishes.
As shown in Figure 3, in system when operation, is by adjusting by-pass valve control before the first Ice Storage Tank 1 and the second Ice Storage Tank 2 and the by-pass valve control of pipeline, realize the process of cool of different low-temperature receivers, realize the multiple ice-storage modes such as cold recovery system ice-reserving, refrigeration unit ice-reserving, cold recovery system and refrigeration unit associating ice-reserving.Simultaneity factor can satisfy the demand that lets cool under air conditioner load side system 3 different conditions, realize the first Ice Storage Tank 1 and the second Ice Storage Tank 2 independent cold-storages, let cool separately, unite cold-storage, unite let cool, cold-storage and let cool five kinds of operating modes simultaneously.The porch of the first Ice Storage Tank 1 and the second Ice Storage Tank 2 arranges respectively motor-operated control valve V7 and V8 respectively separately two Ice Storage Tank 1 of control, 2 duty.Control principle is described as follows:
The first Ice Storage Tank 1 independent cold-storage:
When refrigeration unit 7 and 6 startup of the first ice-reserving pump, the first motor-driven valve V1, the second motor-driven valve V2, the 8th motor-driven valve V8 close, and the 5th motor-driven valve V5, the 6th motor-driven valve V6, the 7th motor-driven valve V7 open, and refrigeration unit 7 is separately the first Ice Storage Tank 1 cold-storage.
When cold recovery system 4 and 5 startup of the second ice-reserving pump, the 5th motor-driven valve V5, the 6th motor-driven valve V6, the 8th motor-driven valve V8 close, and the first motor-driven valve V1, the second motor-driven valve V2, the 7th motor-driven valve V7 open, and cold recovery system 4 is separately the first Ice Storage Tank 1 cold-storage.
The second Ice Storage Tank 2 independent cold-storages:
When refrigeration unit 7 and 6 startup of the first ice-reserving pump, the first motor-driven valve V1, the second motor-driven valve V2, the 5th motor-driven valve V5, the 6th motor-driven valve V6, the 8th motor-driven valve V8 open, the 3rd motor-driven valve V3, the 4th motor-driven valve V4, the 7th motor-driven valve V7 close, and refrigeration unit 7 is separately the second Ice Storage Tank 2 cold-storages.
When cold recovery system 4 and 5 startup of the second ice-reserving pump, the first motor-driven valve V1, the second motor-driven valve V2, the 5th motor-driven valve V5, the 6th motor-driven valve V6, the 7th motor-driven valve V7 close, the 8th motor-driven valve V8 opens, and cold recovery system 4 is separately the second Ice Storage Tank 2 cold-storages.
The first Ice Storage Tank 1 and the second Ice Storage Tank 2 associating cold-storages:
When refrigeration unit 7 and 6 startup of the first ice-reserving pump, the first motor-driven valve V1, the second motor-driven valve V2, the 5th motor-driven valve V5, the 6th motor-driven valve V6, the 7th motor-driven valve V7, the 8th motor-driven valve V8 open, the 3rd motor-driven valve V3, the 4th motor-driven valve V4 close, and refrigeration unit 7 is the first Ice Storage Tank 1 and the second Ice Storage Tank 2 cold-storages simultaneously.
When cold recovery system 4 and 5 startup of the second ice-reserving pump, the first motor-driven valve V1, the second motor-driven valve V2, the 7th motor-driven valve V7, the 8th motor-driven valve V8 opens, and the 5th motor-driven valve V5, the 6th motor-driven valve V6 close, and cold recovery system 4 is the first Ice Storage Tank 1 and the second Ice Storage Tank 2 cold-storages simultaneously.
When refrigeration unit 7 and cold recovery system 4 are opened simultaneously, the first ice-reserving pump 6, the second ice-reserving pump 5 start, the first motor-driven valve V1, the second motor-driven valve V2, the 3rd motor-driven valve V3, the 4th motor-driven valve V4 close, the 5th motor-driven valve V5, the 6th motor-driven valve V6, the 7th motor-driven valve V7, the 8th motor-driven valve V8 open, and refrigeration unit 7 is respectively the first Ice Storage Tank 1 and the second Ice Storage Tank 2 cold-storages simultaneously with cold recovery system 4.
The first Ice Storage Tank 1 lets cool separately:
When the first motor-driven valve V1, the second motor-driven valve V2, the 8th motor-driven valve V8 close, the 3rd motor-driven valve V3, the 4th motor-driven valve V4, the 5th motor-driven valve V5, the 6th motor-driven valve V6, when the 7th motor-driven valve V7 opens, the first Ice Storage Tank 1 lets cool separately.
The second Ice Storage Tank 2 lets cool separately:
When the 7th motor-driven valve V7 closes, the first motor-driven valve V1, the second motor-driven valve V2, the 3rd motor-driven valve V3, the 4th motor-driven valve V4, the 5th motor-driven valve V5, the 6th motor-driven valve V6, the 8th motor-driven valve V8, when opening, the second Ice Storage Tank 2 lets cool separately;
The first Ice Storage Tank 1 and the second Ice Storage Tank 2 are united and are let cool:
As the first motor-driven valve V1, the second motor-driven valve V2, the 3rd motor-driven valve V3, the 4th motor-driven valve V4, the 5th motor-driven valve V5, as the 6th motor-driven valve V6, the 7th motor-driven valve V7, when the 8th motor-driven valve V8 opens, the first Ice Storage Tank 1 and the second Ice Storage Tank 2 can be united and let cool.
Cold-storage and letting cool simultaneously:
When the first motor-driven valve V1, the second motor-driven valve V2 close, the 3rd motor-driven valve V3, the 4th motor-driven valve V4, the 5th motor-driven valve V5, as the 6th motor-driven valve V6, the 7th motor-driven valve V7, when the 8th motor-driven valve V8 opens, the second Ice Storage Tank 2 cold-storages when the first Ice Storage Tank 1 lets cool.
The present invention is directed to the building of cold energy recycle, the mode that adopts the conventional energy resource cold-storage to combine with cold recovery cold-storage, can satisfy the requirement that air conditioning system for building uses, can take full advantage of various resources again, promote energy-saving and emission-reduction, improve the comprehensive utilization of energy level, good economic benefit and social benefit are arranged.
Liquid level equilibrium of the present invention mechanism has following advantage:
1. solved the liquid level equilibrium problem of the first Ice Storage Tank 1 and the second Ice Storage Tank 2;
2. to the ice groove in the indoor machine room, owing to cancelled siphon pipe, Ice Storage Tank can take full advantage of the height space of machine room, improves cold-storage efficient, and reduces the floor space of Ice Storage Tank, saves the machine room cost;
3. to outdoor ice groove, owing to cancelled siphon pipe, the Ice Storage Tank outward appearance is succinctly attractive in appearance;
4. behind the cancellation siphon pipe, loss of refrigeration capacity and cost that siphon pipe brings have been reduced.
Ice storage unit 10 of the present invention arranges respectively Ice Storage Tank according to every kind of low-temperature receiver, and each is organized Ice Storage Tank and is connected in parallel, and before the first Ice Storage Tank 1 and the second Ice Storage Tank 2 and on the connecting line between the first Ice Storage Tank 1 and the second Ice Storage Tank 2 control valve is set.This ice storage unit 10 utilizes there being multiple low-temperature receiver particularly to have in the air-conditioning system of cold recovery system 4, can improve efficiency of energy utilization, reduces the operation of air conditioner cost, and system stability, is convenient to flexibly control.
Ice storage unit 10 of the present invention utilizes control valve to adjust flexibly the first Ice Storage Tank 1 in parallel and the system flow direction of the second Ice Storage Tank 2, so that system can realize different journey parallel connection, each ice groove can be controlled flexibly, can realize simultaneously the combination of multiple cold-storage and discharging, at the multi-freezing pipe group net operation or have in the ice-storage air-conditioning system of cold recovery and take full advantage of various resources, improve energy utilization rate, effectively reduce energy consumption.
During refrigeration unit 7 ice-reserving, open refrigeration unit 7, Ice-storing ball (phase transition temperature is 0 ℃) heat exchange in the ethylene glycol solution (6 ℃, 30%) of refrigeration unit 7 preparations and the first Ice Storage Tank 1 and/or the second Ice Storage Tank 2, the ethylene glycol solution temperature rises to-1 ℃ and gets back to refrigeration unit 7 after the heat exchange, forms circulation.Phase transformation solution after the heat exchange in the Ice-storing ball undergoes phase transition, and cold is stored, and temperature is 0 ℃.When the ethylene glycol solution temperature after the heat exchange was reduced to-6 ℃ gradually, the ice in the Ice Storage Tank held full, and the ice-reserving process finishes.
When air conditioner load side system 3 lets cool, so that ethylene glycol solution (3.5 ℃, 30%) and chilled water (12 ℃) heat exchange from water collector 304 output, the ethylene glycol solution temperature rises to 10 ℃ and gets back to the first Ice Storage Tank 1 and/or the second Ice Storage Tank 2 after the heat exchange by plate type heat exchanger 302; Chilled water temperature is down to 7 ℃ and is delivered to air conditioning terminal through water knockout drum 303 after the heat exchange.
Above content is the further description of the present invention being done in conjunction with concrete preferred embodiment, can not assert that implementation of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. multi-freezing pipe ice-storage air-conditioning system with liquid level equilibrium mechanism, it is characterized in that: comprise cold recovery system (4), ice storage unit (10), air conditioner load side system (3), the first ice-reserving pump (6), refrigeration unit (7), described cold recovery system (4) comprises primary heat exchanger (401), secondary heat exchanger (402), heat exchanging liquid output channel (403), heat exchanging liquid input channel (404), refrigerant tank (405), elementary cold recovery pump (406), the second ice-reserving pump (5), described primary heat exchanger (401) is provided with liquefied natural gas input channel (407) and natural gas output channel (408), described heat exchanging liquid output channel (403) one ends are communicated with described primary heat exchanger (401), described heat exchanging liquid output channel (403) other end is communicated with described secondary heat exchanger (402), described refrigerant tank (405) and described elementary cold recovery pump (406) are installed on described heat exchanging liquid output channel (403) successively, described heat exchanging liquid input channel (404) one ends are communicated with described secondary heat exchanger (402), and described heat exchanging liquid input channel (404) other end is communicated with described primary heat exchanger (401); Described ice storage unit (10) comprises the first Ice Storage Tank (1), the second Ice Storage Tank (2), the first valve, the second valve, the 5th valve, the 6th valve, the 7th valve, the 8th valve, the first system pipeline (101), second system pipeline (102), the 3rd system pipeline (103), Quaternary system road under the overall leadership (104), liquid level equilibrium mechanism, described the first Ice Storage Tank (1) is in parallel with described the second Ice Storage Tank (2), described the first Ice Storage Tank (1) is provided with for the first ice barrel road (105) of feed liquor and fluid and the second ice barrel road (106), described the second Ice Storage Tank (2) is provided with for the 3rd ice barrel road (107) of feed liquor and fluid and the 4th ice barrel road (108), described the first ice barrel road (105) and described the 3rd ice barrel road (107) are communicated with described the 3rd system pipeline (103) respectively, and described the second ice barrel road (106) and described the 4th ice barrel road (108) are communicated with described Quaternary system road under the overall leadership (104) respectively; The Quaternary system road under the overall leadership (104) that described the first valve is arranged between described the second ice barrel road (106) and described the 4th ice barrel road (108) is located, the 3rd system pipeline (103) that described the second valve is arranged between described the first ice barrel road (105) and described the 3rd ice barrel road (107) is located, described the 7th valve is positioned at described the first ice barrel road (105) to be located, and described the 8th valve is positioned at described the 3rd ice barrel road (107) and locates; Described the first system pipeline (101) is communicated with described the first ice barrel road (105), described the 6th valve is arranged at described the first system pipeline (101) and locates, described second system pipeline (102) is communicated with described the second ice barrel road (106), and described the 5th valve is arranged at described second system pipeline (102) and locates; Described the second ice-reserving pump (5) is installed on described the 3rd system pipeline (103), and described secondary heat exchanger (402) is communicated with described the 3rd system pipeline (103) and described Quaternary system road under the overall leadership (104) respectively; Described the first ice-reserving pump (6) input is communicated with described second system pipeline (102), described the first ice-reserving pump (6) output is communicated with described refrigeration unit (7) input, and described refrigeration unit (7) output is communicated with described the first system pipeline (101); Described air conditioner load side system (3) comprises ice-melt pump (301), plate type heat exchanger (302), water knockout drum (303), water collector (304), differential-pressure bypass valve (305), chilled water pump (306), the first connecting pipe (307), the second connecting pipe (308), the first circulating line (309), the second circulating line (310), described the first connecting pipe (307) one ends are connected with described the first system pipeline (101), described the first connecting pipe (307) other end is communicated with described plate type heat exchanger (302), and described ice-melt pump (301) is installed on described the first connecting pipe (307); Described the second connecting pipe (308) one ends are connected with described second system pipeline (102), and described the second connecting pipe (308) other end is communicated with described plate type heat exchanger (302); Described the first circulating line (309) one ends are communicated with described plate type heat exchanger (302), and described the first circulating line (309) other end is communicated with described water knockout drum (303); Be connected with described differential-pressure bypass valve (305) between described water knockout drum (303) and the described water collector (304); Described the second circulating line (310) one ends are communicated with described water collector (304), described the second circulating line (310) other end is communicated with described plate type heat exchanger (302), and described chilled water pump (306) is installed on described the second circulating line (310); Described liquid level equilibrium mechanism comprises the first leakage fluid dram (801), the second leakage fluid dram (802), the first discharging tube (803), the second discharging tube (804), the first balanced valve (805), the second balanced valve (806), balance pipe (807), described the first Ice Storage Tank (1) has described the first leakage fluid dram (801), described the second Ice Storage Tank (2) has described the second leakage fluid dram (802), described the first discharging tube (803) one ends are communicated with described the first leakage fluid dram (801), and described the first discharging tube (803) other end is communicated with described the first balanced valve (805) one ends; Described the second discharging tube (804) one ends are communicated with described the second leakage fluid dram (802), and described the second discharging tube (804) other end is communicated with described the second balanced valve (806) one ends; Described balance pipe (807) two ends are communicated with described the first balanced valve (805) other end and described the second balanced valve (806) other end respectively.
2. multi-freezing pipe ice-storage air-conditioning system according to claim 1, it is characterized in that: described cold recovery system (4) also comprises air-heating type gasifier (409) and pressure regulating metering device (410), and described air-heating type gasifier (409) and pressure regulating metering device (410) are installed on the described natural gas output channel (408) successively.
3. multi-freezing pipe ice-storage air-conditioning system according to claim 2, it is characterized in that: described air conditioner load side system (3) comprises that plate changes by-pass line (311), the 9th valve, described plate changes by-pass line (311) one ends and is communicated with described the first connecting pipe (307), described plate changes by-pass line (311) other end and is communicated with described the second connecting pipe (308), and described the 9th valve installation changes on the by-pass line (311) at described plate.
4. multi-freezing pipe ice-storage air-conditioning system according to claim 3, it is characterized in that: described air conditioner load side system (3) also comprises the tenth valve, described the tenth valve installation is on described the first circulating line (309).
5. multi-freezing pipe ice-storage air-conditioning system according to claim 4, it is characterized in that: described air conditioner load side system (3) comprises the 3rd valve and the 4th valve, described the 3rd valve installation is on described the first system pipeline (101), and described the 3rd valve is adjacent to described the first system pipeline (101) and described the first connecting pipe (307) tie point position; Described the 4th valve installation is on described second system pipeline (102), and described the 4th valve is adjacent to described second system pipeline (102) and described the second connecting pipe (308) tie point position.
6. multi-freezing pipe ice-storage air-conditioning system according to claim 5, it is characterized in that: described refrigeration unit (7) output is provided with the 11 valve with the pipeline that described the first system pipeline (101) is communicated with, described the 3rd valve is the 3rd motor-driven valve (V3), described the 4th valve is the 4th motor-driven valve (V4), described the 9th valve is the 9th motor-driven valve (V9), described the tenth valve is the tenth motor-driven valve (V10), and described the 11 valve is the 11 motor-driven valve (V11).
7. multi-freezing pipe ice-storage air-conditioning system according to claim 6, it is characterized in that: described the 5th valve is the 5th motor-driven valve (V5), and is upper and be positioned at described the 5th motor-driven valve (V5) both sides and respectively be provided with a block valve at described second system pipeline (102); Described the 6th valve is the 6th motor-driven valve (V6), goes up and be positioned at described the 6th motor-driven valve (V6) both sides at described the first system pipeline (101) respectively to be provided with a block valve.
8. multi-freezing pipe ice-storage air-conditioning system according to claim 7, it is characterized in that: described the first valve is the first motor-driven valve (V1), ices on barrel road (106) and the described the 4th Quaternary system road under the overall leadership (104) of icing between the barrel road (108) and be positioned at described the first motor-driven valve (V1) both sides described second respectively to be provided with a block valve; Described the second valve is the second motor-driven valve (V2), ices on barrel road (105) and the described the 3rd the 3rd system pipeline (103) of icing between the barrel road (107) and be positioned at described the second motor-driven valve (V2) both sides described first respectively to be provided with a block valve; Described the 7th valve is the 7th motor-driven valve (V7), ices barrel road (105) upward and be positioned at described the 7th motor-driven valve (V7) both sides described first respectively to be provided with a block valve; Described the 8th valve is the 8th motor-driven valve (V8), ices barrel road (107) upward and be positioned at described the 8th motor-driven valve (V8) both sides the described the 3rd respectively to be provided with a block valve; Described the second ice barrel road (106) is provided with block valve, and described the 4th ice barrel road (108) is provided with block valve.
9. according to claim 1 to 8 each described multi-freezing pipe ice-storage air-conditioning systems, it is characterized in that: described balance pipe (807) one ends are removable the connection with described the first balanced valve (805) other end, and described balance pipe (807) other end is removable the connection with described the second balanced valve (806) other end; Described the first discharging tube (803) other end is removable the connection with described the first balanced valve (805) one ends, and described the second discharging tube (804) other end is removable the connection with described the second balanced valve (806) one ends.
10. multi-freezing pipe ice-storage air-conditioning system according to claim 9, it is characterized in that: described the first discharging tube (803) other end is that flange is connected with described the first balanced valve (805) one ends, and described the second discharging tube (804) other end is that flange is connected with described the second balanced valve (806) one ends; Described balance pipe (807) one ends are that flange is connected with described the first balanced valve (805) other end, and described balance pipe (807) other end is that flange is connected with described the second balanced valve (806) other end; Described the first leakage fluid dram (801) is the sewage draining exit of described the first Ice Storage Tank (1), and described the second leakage fluid dram (802) is the sewage draining exit of described the second Ice Storage Tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310296271.1A CN103363606B (en) | 2013-07-15 | 2013-07-15 | There is the multi-freezing pipe ice-storage air-conditioning system of liquid level equilibrium mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310296271.1A CN103363606B (en) | 2013-07-15 | 2013-07-15 | There is the multi-freezing pipe ice-storage air-conditioning system of liquid level equilibrium mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103363606A true CN103363606A (en) | 2013-10-23 |
| CN103363606B CN103363606B (en) | 2016-03-02 |
Family
ID=49365536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310296271.1A Active CN103363606B (en) | 2013-07-15 | 2013-07-15 | There is the multi-freezing pipe ice-storage air-conditioning system of liquid level equilibrium mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103363606B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108870604A (en) * | 2018-09-18 | 2018-11-23 | 中国能源建设集团广东省电力设计研究院有限公司 | Air conditioner refrigerating integrated system |
| WO2019032050A1 (en) * | 2017-08-07 | 2019-02-14 | Sp Innovation Pte. Ltd. | Method and system for cold energy recovery |
| CN114165683A (en) * | 2020-09-11 | 2022-03-11 | 唐伟明 | Anti-freezing device and method for air-temperature gasifier installation foundation and device installation method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004125320A (en) * | 2002-10-04 | 2004-04-22 | Kansai Electric Power Co Inc:The | Air conditioner |
| JP2007322032A (en) * | 2006-05-30 | 2007-12-13 | Chugoku Electric Power Co Inc:The | Desiccant air conditioning system |
| CN101532709A (en) * | 2008-03-14 | 2009-09-16 | 袁东立 | Ice-storage refrigeration device and ice-storage refrigeration system |
| CN201539927U (en) * | 2009-09-29 | 2010-08-04 | 朱玲 | Stringing type of self-balanced central air-conditioning water pump system |
| CN102506492A (en) * | 2011-12-26 | 2012-06-20 | 上海汉福空气处理设备有限公司 | Intelligent control system for direct evaporation type multi-heat-exchange-system ice cold storage air conditioner |
| CN102589227A (en) * | 2012-03-16 | 2012-07-18 | 华南理工大学 | Method and device for cooling air-conditioning circulating water by using cold energy of liquefied natural gas |
| CN202361726U (en) * | 2011-08-23 | 2012-08-01 | 华南理工大学 | Apparatus for cold storage cooling and cold water production applying cold energy of liquefied natural gas |
-
2013
- 2013-07-15 CN CN201310296271.1A patent/CN103363606B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004125320A (en) * | 2002-10-04 | 2004-04-22 | Kansai Electric Power Co Inc:The | Air conditioner |
| JP2007322032A (en) * | 2006-05-30 | 2007-12-13 | Chugoku Electric Power Co Inc:The | Desiccant air conditioning system |
| CN101532709A (en) * | 2008-03-14 | 2009-09-16 | 袁东立 | Ice-storage refrigeration device and ice-storage refrigeration system |
| CN201539927U (en) * | 2009-09-29 | 2010-08-04 | 朱玲 | Stringing type of self-balanced central air-conditioning water pump system |
| CN202361726U (en) * | 2011-08-23 | 2012-08-01 | 华南理工大学 | Apparatus for cold storage cooling and cold water production applying cold energy of liquefied natural gas |
| CN102506492A (en) * | 2011-12-26 | 2012-06-20 | 上海汉福空气处理设备有限公司 | Intelligent control system for direct evaporation type multi-heat-exchange-system ice cold storage air conditioner |
| CN102589227A (en) * | 2012-03-16 | 2012-07-18 | 华南理工大学 | Method and device for cooling air-conditioning circulating water by using cold energy of liquefied natural gas |
Non-Patent Citations (1)
| Title |
|---|
| 杜琳琳;陈运文: "回收 LNG 卫星站冷能用于冰蓄冷空调技术", 《深冷技术》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019032050A1 (en) * | 2017-08-07 | 2019-02-14 | Sp Innovation Pte. Ltd. | Method and system for cold energy recovery |
| CN108870604A (en) * | 2018-09-18 | 2018-11-23 | 中国能源建设集团广东省电力设计研究院有限公司 | Air conditioner refrigerating integrated system |
| CN108870604B (en) * | 2018-09-18 | 2024-03-12 | 中国能源建设集团广东省电力设计研究院有限公司 | Air conditioner refrigeration integrated system |
| CN114165683A (en) * | 2020-09-11 | 2022-03-11 | 唐伟明 | Anti-freezing device and method for air-temperature gasifier installation foundation and device installation method |
| CN114165683B (en) * | 2020-09-11 | 2023-09-12 | 唐伟明 | Antifreezing device and method for air-temperature gasifier installation foundation and device installation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103363606B (en) | 2016-03-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101650098B (en) | Solar energy-ground source heat pump self-balancing comprehensive application system | |
| CN106594929A (en) | Ice storage central air-conditioning system and optimal control method | |
| CN201488394U (en) | Solar energy-ground source heat pump self-balancing integrated application system | |
| CN104613577A (en) | Internal-melt ice storage air-conditioning system and operating method thereof | |
| CN104279667A (en) | Phase-change energy-storage air-conditioning system | |
| CN205717678U (en) | A kind of ice storage cold-hot pump system | |
| CN103335467B (en) | LNG energy comprehensive utilization system | |
| CN103148554B (en) | Water cold storage and the parallel central air conditioner system of ice crystal cold and operation method thereof | |
| CN108870598A (en) | A kind of separate heat pipe energy-storage air conditioner system | |
| CN204421253U (en) | Internal melt ice-chilling air conditioning system | |
| CN201218577Y (en) | Exhaust heat recovery and cold accumulation apparatus | |
| CN103363606B (en) | There is the multi-freezing pipe ice-storage air-conditioning system of liquid level equilibrium mechanism | |
| CN203432014U (en) | Air conditioning system utilizing energy storage device | |
| CN201954691U (en) | Series connection type refrigeration air-conditioner and tail end cold accumulation water system | |
| CN204345836U (en) | The geothermal heat pump air-conditioning system of high temperature retaining independent temperature-humidity control | |
| CN103353151B (en) | The ice-storage air-conditioning system of LNG cold energy recycle can be realized | |
| CN203432006U (en) | Cold storage and combined cold supplying type air-conditioning system | |
| CN203100031U (en) | Multi-functional air-conditioning water cold accumulation system | |
| CN107401862B (en) | Cold accumulation type condensation efficient central air-conditioning refrigeration system | |
| CN203396176U (en) | LNG (liquefied natural gas) energy comprehensive utilization system | |
| CN108488964A (en) | It is a kind of efficiently using water as the heat storage and cold accumulation system of medium | |
| CN205448100U (en) | Cold -storage cooling device | |
| CN204115130U (en) | A kind of phase change energy storage air conditioning system | |
| CN102927638B (en) | Ice cold water storage heat storage system | |
| CN103196198B (en) | Heat-pump device of closed type ice-storage air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |