CN218972812U - Series-parallel coupling ice cold accumulation air conditioning system - Google Patents
Series-parallel coupling ice cold accumulation air conditioning system Download PDFInfo
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- CN218972812U CN218972812U CN202223170481.XU CN202223170481U CN218972812U CN 218972812 U CN218972812 U CN 218972812U CN 202223170481 U CN202223170481 U CN 202223170481U CN 218972812 U CN218972812 U CN 218972812U
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/14—Thermal energy storage
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Abstract
The utility model relates to the technical field of heating ventilation and air conditioning, and discloses an ice cold storage air conditioning system which is coupled in series and parallel, comprising a base, wherein the upper part of the base is fixedly connected with a double-working-condition host, an ice storage tank, a first heat exchanger, a second heat exchanger and a third heat exchanger, the upper ends of the double-working-condition host, the ice storage tank, the first heat exchanger, the second heat exchanger and the third heat exchanger are connected through water supply pipes, the lower ends of the double-working-condition host, the ice storage tank, the first heat exchanger, the second heat exchanger and the third heat exchanger are connected through return pipes, the water supply end at the outlet side of the double-working-condition host is communicated with the water inlet ends at the inlet side of the ice storage tank and the first heat exchanger through water supply pipes, and a valve I is arranged at one side of a connecting tee joint close to the ice storage tank. According to the utility model, through valve control, various operation conditions are provided, the system is flexible and reliable to operate, the operation cost is saved, the problem of power shortage in peak power consumption in summer in China is relieved, and the system has extremely high economic and social effects.
Description
Technical Field
The utility model relates to the technical field of heating ventilation and air conditioning, in particular to a series-parallel coupling ice cold storage air conditioning system.
Background
In order to balance electricity utilization, peak clipping and valley filling are performed, under the guidance of building an economic social thought, the government and the electric power department in China release the contradiction between electric power construction and new electricity utilization, and the relevant policies for promoting the development of the ice storage air conditioner are also brought out in each region, so that the development and the application of the technology of the ice storage air conditioner are promoted. With further expansion of implementation range of peak-valley electricity prices and increase of peak-valley electricity price ratio of each place, more favorable conditions are provided for popularization and application of electric power energy storage technology, ice storage is an energy storage technology commonly used in the field of heating ventilation and air conditioning, cold energy can be stored at night valley electricity prices, and the stored cold energy is released at daytime electricity consumption peaks, so that peak clipping and valley filling are realized, operation cost of an air conditioning system is effectively saved by utilizing peak-valley electricity, and meanwhile, the problem of insufficient electricity consumption peak electricity in daytime in summer in China is also facilitated to be relieved. In addition, the ice storage technology can provide cold water with lower temperature through ice melting, large temperature difference conveying can be realized, energy consumption of a transmission and distribution system is reduced, energy consumption of a heating ventilation air conditioner generally accounts for more than 40% of total energy consumption of a building, and energy consumption of a pipe network transmission and distribution system can account for more than 20% of energy consumption of the heating ventilation air conditioner, so that the reduction of energy consumption of the pipe network transmission and distribution system and the reduction of total energy consumption are also a problem to be solved urgently, and the ice storage air conditioner system coupled in series-parallel is provided for solving the problem.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a series-parallel coupling ice cold storage air conditioning system.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: an ice cold accumulation air conditioning system in series-parallel coupling comprises a base, wherein a double-working-condition host machine, an ice accumulation tank, a first heat exchanger, a second heat exchanger and a third heat exchanger are fixedly connected to the upper part of the base, the upper ends of the double-working-condition host machine, the ice accumulation tank, the first heat exchanger, the second heat exchanger and the third heat exchanger are connected through water return pipes, the lower ends of the double-working-condition host machine, the ice accumulation tank, the first heat exchanger, the second heat exchanger and the third heat exchanger are connected through water return pipes, the water supply end at the outlet side of the double-working-condition host machine is communicated with the water inlet ends at the inlet side of the ice accumulation tank and the first heat exchanger through the water return pipes, a valve I is arranged on one side of the connecting tee joint close to the ice accumulation tank, a valve III is arranged on one side of the connecting tee joint close to the first heat exchanger, the water return end at the outlet side of the double-working-condition host machine is communicated with the water return ends at the inlet side of the ice accumulation tank and the first heat exchanger through the water return pipes, the side of the connecting tee joint, which is close to the ice storage tank, is provided with a valve II, the side of the connecting tee joint, which is close to the heat exchanger I, is provided with a water pump I, the water supply end of the heat exchanger I is communicated with the water supply end of the air conditioner through a water supply pipe and a water pump V, the water supply end of the heat exchanger I is communicated with the water return end of the heat exchanger II through a valve III, the water return end of the heat exchanger I is communicated with the water supply end of the air conditioner through a water supply pipe and a valve V, the water supply end of the ice storage tank is connected with a water pump II through a water supply pipe, the water supply end of the water pump II is communicated with the water supply end of the heat exchanger II through a valve V, the water supply end of the water pump II is communicated with the water supply end of the heat exchanger III through a valve V, the water inlet end of the second inlet side of the heat exchanger is communicated with the water inlet end of the third inlet side of the heat exchanger through a water supply pipe and is communicated with the water supply end of the outlet side of the ice storage tank, a valve five is arranged in the middle of the water supply pipe between the ice storage tank and the second heat exchanger, a valve seven is arranged in the middle of the water supply pipe between the ice storage tank and the third heat exchanger, the water return end of the second inlet side of the heat exchanger is communicated with the water return end of the third inlet side of the heat exchanger through a water return pipe and is communicated with the water return end of the outlet side of the ice storage tank, a valve six is arranged in the middle of the water return pipe between the ice storage tank and the second heat exchanger, a valve eight is arranged in the middle of the water return pipe between the ice storage tank and the third heat exchanger, the water supply end of the third outlet side of the heat exchanger is communicated with a water pump five, and the water return end of the third outlet side of the heat exchanger is communicated with the water return end of an air conditioner through a water pump four.
As a further description of the above technical solution:
the first heat exchanger, the second heat exchanger and the third heat exchanger are plate heat exchangers.
As a further description of the above technical solution:
the first water pump is a variable-frequency glycol pump.
As a further description of the above technical solution:
the second water pump, the third water pump, the fourth water pump and the fifth water pump are variable-frequency water pumps.
As a further description of the above technical solution:
and the valve I, the valve II, the valve III, the valve IV, the valve V, the valve VI, the valve seven, the valve eight, the valve nine and the valve ten are all electric regulating valves.
As a further description of the above technical solution:
the valve five is arranged at one side, close to the heat exchanger two, of a tee joint, which is connected with the water supply end of the ice storage tank at the water outlet side, and the water supply end of the heat exchanger two and the water supply end of the heat exchanger three at the water inlet side, and the valve six is arranged at one side, close to the heat exchanger two, of a tee joint, which is connected with the water return end of the ice storage tank at the water outlet side, and the water return end of the heat exchanger two and the water return end of the heat exchanger three at the water inlet side.
The utility model has the following beneficial effects:
according to the ice cold-storage air-conditioning system, the design is reasonable, various operation conditions are provided through valve control, and the system is flexible and reliable to operate; the system integrates the advantages of an ice storage series system and a parallel system, and can realize the large-temperature-difference and small-flow transportation of chilled water of an air conditioner during series operation, thereby reducing the energy consumption of an air conditioner pipe network transportation and distribution system; when the parallel operation is performed, the ice melting of the ice storage pool and the main machine are combined for cooling, peak clipping and valley filling are performed, the installed capacity of the main machine is reduced, the operation cost is saved, the problem of power consumption peak power shortage in the daytime in summer in China is solved, and the parallel operation system has extremely high economic and social benefits.
Drawings
Fig. 1 is a schematic perspective view of an ice storage air conditioning system coupled in series-parallel according to the present utility model;
fig. 2 is a schematic perspective view of another view angle of the ice storage air conditioning system coupled in series-parallel according to the present utility model;
fig. 3 is a schematic perspective view of another view angle of the ice storage air conditioning system coupled in series-parallel according to the present utility model;
fig. 4 is a schematic perspective view of another view angle of an ice storage air conditioning system coupled in series-parallel according to the present utility model;
fig. 5 is a schematic flow chart of an ice storage air conditioning system coupled in series-parallel according to the present utility model.
Legend description:
1. a dual-working-condition host; 2. an ice storage tank; 3. a first heat exchanger; 4. a second heat exchanger; 5. a third heat exchanger; 6. a water supply pipe; 7. a water return pipe; 8. a first water pump; 9. a second water pump; 10. a water pump III; 11. a water pump IV; 12. a water pump V; 13. a valve I; 14. a second valve; 15. a third valve; 16. a valve IV; 17. a fifth valve; 18. a valve six; 19. a valve seven; 20. a valve eight; 21. a valve nine; 22. and a valve ten.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, one embodiment provided by the present utility model is: the ice cold accumulation air conditioning system comprises a base, wherein the upper part of the base is fixedly connected with a double-working-condition host machine 1, an ice accumulation tank 2, a first heat exchanger 3, a second heat exchanger 4 and a third heat exchanger 5, the upper ends of the double-working-condition host machine 1, the ice accumulation tank 2, the first heat exchanger 3, the second heat exchanger 4 and the third heat exchanger 5 are connected through a water supply pipe 6, the lower ends of the double-working-condition host machine 1, the ice accumulation tank 2, the first heat exchanger 3, the second heat exchanger 4 and the third heat exchanger 5 are connected through a water return pipe 7, the water supply end at the outlet side of the double-working-condition host machine 1 is communicated with the water inlet ends at the inlet side of the ice accumulation tank 2 and the first heat exchanger 3 through the water supply pipe 6, one side of a connecting tee joint close to the ice accumulation tank 2 is provided with a valve I13, one side of the connecting tee joint close to the first heat exchanger 3 is provided with a valve III 15, the water return end at the outlet side of the double-working-condition host machine 1 is communicated with the water return end at the inlet side of the ice storage tank 2 and the water return end at the inlet side of the heat exchanger I3 through a water return pipe 7, a valve II 14 is arranged at one side of the connecting tee joint close to the ice storage tank 2, a valve IV 16 is arranged at one side of the connecting tee joint close to the heat exchanger I3, a water pump I8 is arranged at one side of the connecting tee joint close to the double-working-condition host machine 1, the water supply end at the outlet side of the heat exchanger I3 is communicated with the water supply end of an air conditioner through a water supply pipe 6 and a water pump V12, the water supply end at the outlet side of the heat exchanger I3 is communicated with the water return end at the outlet side of the heat exchanger II 4 through a valve III 21, the water return end at the outlet side of the heat exchanger I3 is communicated with the water return end of the air conditioner through a water supply pipe 6 and a valve III 10, the water supply end at the outlet side of the ice storage tank 2 is connected with a water pump II 9 through a water supply pipe 6, the water outlet end of the water pump II 9 is communicated with the water inlet side water supply end of the heat exchanger II 4 through a valve V17, the water outlet end of the water pump II 9 is communicated with the water inlet side water supply end of the heat exchanger III 5 through a valve V19, the water inlet side water inlet end of the heat exchanger II 4 is communicated with the water inlet side water inlet end of the heat exchanger III 5 through a water supply pipe 6 and is communicated with the water outlet side water supply end of the ice storage tank 2, the valve V17 is arranged in the middle of the water supply pipe 6 between the ice storage tank 2 and the heat exchanger II 4, the valve V19 is arranged in the middle of the water supply pipe 6 between the ice storage tank 2 and the heat exchanger III 5, the water inlet side water return end of the heat exchanger II 4 is communicated with the water inlet side water return end of the heat exchanger III 5 through a water return pipe 7 and is communicated with the water outlet side water return end of the ice storage tank 2, the valve V18 is arranged in the middle of the water return pipe 7 between the ice storage tank 2 and the heat exchanger II 4, the valve V20 is arranged in the middle of the water return pipe 7 between the ice storage tank 2 and the heat exchanger III 5, the water supply end at the outlet side of the third heat exchanger 5 is communicated with the water pump five 12, the water return end at the outlet side of the third heat exchanger 5 is communicated with the water return end of the air conditioner through the water pump four 11, the ice storage air conditioning system which is coupled in series and parallel is applied to the actual work, when the night working condition is applied, the first valve 13 and the second valve 14 are opened, the third valve 15 to the tenth valve 22 are closed, the double-working-condition host machine 1 and the ice storage tank 2 store ice, when the double-working-condition host machine 1 supplies cold independently, the third valve 15, the fourth valve 16 and the tenth valve 22 are opened, the rest valves are closed, the double-working-condition host machine 1 supplies air conditioning chilled water through the first heat exchanger, when the ice storage tank 2 supplies cold independently, the seventh valve 19 and the eighth valve 20 are opened, the rest valves are closed, the low-temperature chilled water after the ice storage tank 2 is melted is heat exchanged with the third heat exchanger, the air conditioning chilled water is supplied, when the ice storage tank 2 and the double-working-condition host machine 1 are in series operation, the valve III 15, the valve IV 16, the valve V17, the valve VI 18 and the valve IV 21 are opened, the rest valves are closed, the air-conditioning chilled water supplied by the double-working-condition host machine 1 exchanges heat with the low-temperature chilled water supplied by the ice storage tank 2 through the first heat exchanger, the temperature is further reduced, the large-temperature difference and small-flow transportation is realized, when the ice storage tank 2 and the double-working-condition host machine 1 are in parallel operation, the valve III 15, the valve IV 16, the valve V19, the valve V20 and the valve V22 are opened, the rest valves are closed, the low-temperature chilled water after the ice storage tank 2 is subjected to ice melting exchanges heat with the third heat exchanger, and the air-conditioning chilled water is simultaneously supplied by the double-working-condition host machine 1.
The heat exchanger I3, the heat exchanger II 4 and the heat exchanger III 5 are plate heat exchangers, the water pump I8 is a variable-frequency glycol pump, the water pump II 9, the water pump III 10, the water pump IV 11 and the water pump V12 are variable-frequency water pumps and can be adjusted according to different working requirements, so that energy consumption is reduced, the valve I13, the valve II 14, the valve III 15, the valve IV 16, the valve V17, the valve VI 18, the valve seven 19, the valve eight 20, the valve nine 21 and the valve V22 are all electric regulating valves, the control can be performed through an external controller, the operation is simple and the use is very convenient, the valve V17 is arranged on one side, close to the heat exchanger II 4, of a tee joint connected with the water supply end on the outlet side of the ice storage tank 2 and the water supply end on the inlet side of the heat exchanger II 4 and the heat exchanger III 5, and the valve VI is arranged on one side, close to the heat exchanger II 4, of the tee joint connected with the water return end on the inlet side of the heat exchanger III 5, and the air conditioner capable of guaranteeing ice storage.
Working principle: the designed ice storage air conditioning system which is coupled in series and parallel is applied to actual work, when the night working condition is applied, the valve I13 and the valve II 14 are opened, the valve III 15 to the valve IV 22 are closed, the double working condition host 1 and the ice storage tank 2 are used for storing ice, when the double working condition host 1 is used for independently cooling, the valve III 15, the valve IV 16 and the valve IV 22 are opened, the rest valves are closed, the double working condition host 1 is used for supplying air conditioning chilled water through the first heat exchanger, when the ice storage tank 2 is used for independently cooling, the valve IV 19 and the valve V20 are opened, the rest valves are closed, low temperature chilled water after the ice storage tank 2 is used for melting is used for exchanging heat with the third heat exchanger, air conditioning chilled water is supplied, when the ice storage tank 2 is used for being connected in series with the double working condition host 1, the valve III 15, the valve IV 16, the valve V17, the valve VI 18 and the valve V21 are opened, the rest valves are closed, the air conditioning chilled water supplied by the double working condition host 1 is used for exchanging heat with the low temperature chilled water supplied by the ice storage tank 2 through the first heat exchanger, and further, the large temperature difference is realized, when the ice storage tank 2 is used for cooling and the double working condition host 2 is used for cooling, and the valve IV is used for exchanging heat with the low temperature chilled water supplied by the ice storage tank 2, and the rest valves are opened, and the valve IV is opened, and the valve V is used for cooling and opened, and the rest valve is used for cooling and is used for cooling.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The utility model provides an ice cold-storage air conditioning system of series-parallel coupling, includes base, its characterized in that: the upper part of the base is fixedly connected with a double-working-condition host machine (1), an ice storage tank (2), a first heat exchanger (3), a second heat exchanger (4) and a third heat exchanger (5), the upper ends of the double-working-condition host machine Kuang Zhuji (1), the ice storage tank (2), the first heat exchanger (3), the second heat exchanger (4) and the third heat exchanger (5) are connected through a water supply pipe (6), the lower ends of the double-working-condition host machine Kuang Zhuji (1), the first heat exchanger (2), the second heat exchanger (4) and the third heat exchanger (5) are connected through a water return pipe (7), the water supply end at the outlet side of the double-working-condition host machine Kuang Zhuji (1) is connected with the water inlet end at the inlet side of the ice storage tank (2) and the first heat exchanger (3) through the water supply pipe (6), one side of the connecting tee joint close to the ice storage tank (2) is provided with a valve I (13), one side of the connecting tee joint close to the first heat exchanger (3) is provided with a valve III (15), the water return end at the outlet side of the double-working-station Kuang Zhuji (1) is connected with the ice storage tank (2) and the first heat exchanger (3) through the water return pipe (7), one side of the water return end is close to the first water return end (16) is provided with the water return end of the tee joint (2), one side of the connecting tee joint close to the double-working-condition host machine (1) is provided with a water pump I (8), the water supply end at the outlet side of the heat exchanger I (3) is communicated with the water supply end of the air conditioner through a water supply pipe (6) and a water pump V (12), the water supply end at the outlet side of the heat exchanger I (3) is communicated with the water return end at the outlet side of the heat exchanger II (4) through a valve III (21), the water return end at the outlet side of the heat exchanger I (3) is communicated with the water supply end of the air conditioner through a water supply pipe (6) and a valve V (22), the water return end at the outlet side of the heat exchanger I (3) is communicated with the water return end of the air conditioner through a water return pipe (7) and a water pump V (10), the water outlet side water supply end of the ice storage tank (2) is connected with a water pump II (9) through a water supply pipe (6), the water outlet end of the water pump II (9) is communicated with the water inlet side water supply end of the heat exchanger II (4) through a valve V (17), the water outlet end of the water pump II (9) is communicated with the water inlet side water supply end of the heat exchanger III (5) through a valve V (19), the water inlet side water inlet end of the heat exchanger II (4) is communicated with the water inlet side water inlet end of the heat exchanger III (5) through a water supply pipe (6) and is communicated with the water outlet side water supply end of the ice storage tank (2), the valve V (17) is arranged in the middle of the water supply pipe (6) between the ice storage tank (2) and the heat exchanger II (4), the water supply pipe (6) middle part is provided with valve seven (19) between ice storage pond (2) and heat exchanger three (5), heat exchanger two (4) go into side return water end and heat exchanger three (5) go into side return water end and are linked together through wet return (7) to be linked together with ice storage pond (2) play side return water end, wet return (7) middle part is provided with valve six (18) between ice storage pond (2) and heat exchanger two (4), wet return (7) middle part is provided with valve eight (20) between ice storage pond (2) and heat exchanger three (5), heat exchanger three (5) play side water supply end and water pump five (12) are linked together, heat exchanger three (5) play side return water end is linked together through water pump four (11) and air conditioner return water end.
2. The ice thermal storage air conditioning system coupled in series-parallel as claimed in claim 1, wherein: the first heat exchanger (3), the second heat exchanger (4) and the third heat exchanger (5) are all plate heat exchangers.
3. The ice thermal storage air conditioning system coupled in series-parallel as claimed in claim 1, wherein: the first water pump (8) is a variable-frequency glycol pump.
4. The ice thermal storage air conditioning system coupled in series-parallel as claimed in claim 1, wherein: the second water pump (9), the third water pump (10), the fourth water pump (11) and the fifth water pump (12) are all variable-frequency water pumps.
5. The ice thermal storage air conditioning system coupled in series-parallel as claimed in claim 1, wherein: the valve I (13), the valve II (14), the valve III (15), the valve IV (16), the valve V (17), the valve VI (18), the valve seven (19), the valve eight (20), the valve nine (21) and the valve ten (22) are all electric regulating valves.
6. The ice thermal storage air conditioning system coupled in series-parallel as claimed in claim 1, wherein: the valve five (17) is arranged at one side, close to the heat exchanger two (4), of a tee joint, which is connected with the water supply end at the outlet side of the ice storage tank (2) and the water supply end at the inlet side of the heat exchanger two (4) and the heat exchanger three (5), and the valve six (18) is arranged at one side, close to the heat exchanger two (4), of a tee joint, which is connected with the water return end at the outlet side of the ice storage tank (2) and the water return end at the inlet side of the heat exchanger two (4) and the heat exchanger three (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223170481.XU CN218972812U (en) | 2022-11-29 | 2022-11-29 | Series-parallel coupling ice cold accumulation air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223170481.XU CN218972812U (en) | 2022-11-29 | 2022-11-29 | Series-parallel coupling ice cold accumulation air conditioning system |
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| Publication Number | Publication Date |
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| CN218972812U true CN218972812U (en) | 2023-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223170481.XU Active CN218972812U (en) | 2022-11-29 | 2022-11-29 | Series-parallel coupling ice cold accumulation air conditioning system |
Country Status (1)
| Country | Link |
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| CN (1) | CN218972812U (en) |
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2022
- 2022-11-29 CN CN202223170481.XU patent/CN218972812U/en active Active
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