CN210320439U - Cold-storage central air conditioner with power generation function - Google Patents

Cold-storage central air conditioner with power generation function Download PDF

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Publication number
CN210320439U
CN210320439U CN201920934838.6U CN201920934838U CN210320439U CN 210320439 U CN210320439 U CN 210320439U CN 201920934838 U CN201920934838 U CN 201920934838U CN 210320439 U CN210320439 U CN 210320439U
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CN
China
Prior art keywords
vacuum
liquid
cold
central air
generation function
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Expired - Fee Related
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CN201920934838.6U
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Chinese (zh)
Inventor
李远明
张孙敏
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WUHAN CHERMANN AUTOMATION CO LTD
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WUHAN CHERMANN AUTOMATION CO LTD
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Priority to CN201920934838.6U priority Critical patent/CN210320439U/en
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Abstract

The utility model discloses a take cold-storage central air conditioning of electricity generation function, it is including vacuum cryovial, buffer tank, condenser, liquid storage pot and the heat exchange system who communicates each other in proper order, the storage has liquid refrigerant in the vacuum cryovial, the vacuum cryovial with be provided with the vacuum pump and the compressor that are used for the vaporization of the liquid refrigerant in the vacuum cryovial between the condenser, heat exchange system with be provided with the turbine that is used for electricity generation under the gaseous state refrigerant effect between the vacuum cryovial. The utility model discloses utilize the characteristic that liquid boiling point can reduce under low pressure environment for the liquid refrigerant vaporization in the vacuum low temperature pipe has not only accomplished the refrigeration and has utilized gaseous refrigerant electricity generation simultaneously.

Description

Cold-storage central air conditioner with power generation function
Technical Field
The utility model relates to a cold-storage central air conditioning belongs to refrigeration plant technical field, concretely relates to cold-storage central air conditioning who takes power generation function.
Background
The cold accumulation type central air conditioner cold accumulation air conditioner utilizes the electric power at the off-peak at night to refrigerate and store the cold energy in the energy storage device, releases the stored cold energy in the daytime, reduces the electric load of the air conditioner and the installed capacity of an air conditioning system during the peak time of a power grid, accumulates cold during the off-peak time of the power consumption, balances the electric load of the power grid, improves the utilization rate of power plant generating equipment, and reduces the operation cost of the power plant power grid.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a take cold-storage central air conditioning of electricity generation function, its characteristic that utilizes liquid boiling point can reduce under the low pressure environment for the liquid refrigerant vaporization in the vacuum low temperature pipe has not only been accomplished the refrigeration and has utilized gaseous refrigerant electricity generation simultaneously.
In order to solve the technical problem, the utility model discloses a such cold-storage central air conditioning who takes electricity generation function, its vacuum cryovial, buffer tank, condenser, liquid storage pot and the heat exchange system that communicates each other in proper order, the intraductal liquid refrigerant that has stored of vacuum cryovial, the vacuum cryovial with be provided with the vacuum pump and the compressor that are used for the liquid refrigerant vaporization in the vacuum cryovial between the condenser, heat exchange system with be provided with the turbine that is used for generating electricity under the gaseous state refrigerant effect between the vacuum cryovial.
In a preferred embodiment of the present invention, the liquid storage tank and the heat exchange system are connected in series with a regulating valve and a liquid pump for ensuring the liquid discharge pressure to be constant, and the regulating valve and the liquid pump are arranged in parallel.
In a preferred embodiment of the present invention, the vacuum pump is connected in series between the vacuum cryostraw and the buffer tank.
In a preferred embodiment of the present invention, the compressor is connected in series between the buffer tank and the condenser.
In a preferred embodiment of the invention, the heat exchange system comprises a first heat exchanger and a second heat exchanger arranged in series.
In a preferred embodiment of the present invention, the heat transfer medium of the first heat exchanger is water.
In a preferred embodiment of the present invention, a blower is disposed beside the second heat exchanger.
The utility model has the advantages that: the utility model discloses simple structure, high durability and convenient use, it utilizes the characteristic that liquid boiling point can reduce under low pressure environment, the liquid refrigerant (such as R134a, R22 etc.) evacuation that will store in vacuum cryogenic tank, along with the reduction of tank internal pressure, the boiling point of liquid refrigerant reduces, vaporize more rapidly, the heat absorption reduces remaining liquid refrigerant temperature among the vaporization process, it becomes solid-state refrigerant or solid-liquid mixture state refrigerant or low temperature liquid refrigerant and stores up to make it, gaseous refrigerant that the vacuum pump was taken away is discharged after the compressor is compressed into the highly compressed gaseous refrigerant of high temperature, and flow into the condenser through the pipeline, dispel the heat in the condenser, cool down, liquefy into the highly compressed liquid refrigerant of normal atmospheric temperature, store in the liquid storage tank, realize the electricity generation through the turbine after the liquid refrigerant heat exchange system vaporizes once more in the liquid storage; the utility model discloses there is the price difference in the utilization charges of electricity round clock, low temperature vacuum pump and compressor can work at night, prepare solid-state refrigerant and store in the vacuum low temperature jar, and liquid refrigerant stores in the liquid storage pot, utilize liquid refrigerant in the liquid storage pot to supply indoor refrigeration and generate electricity daytime, gaseous state refrigerant after the electricity generation gets back to the solid-state refrigerant of liquefaction in the vacuum low temperature jar again, through this kind of circulation, not only realized filling up the peak of shifting to the electric wire netting, balanced electric wire netting load, save the charges of electricity spending, still utilize the residual pressure electricity generation after the refrigerant vaporization, it is more energy-concerving and environment-protective; furthermore, the utility model effectively ensures the constant pressure of the liquid in the whole loop and improves the stability of the equipment by arranging the regulating valve and the liquid pump which are connected in parallel between the liquid storage tank and the heat exchange system; furthermore, the utility model effectively heats the gaseous refrigerant by adopting the technical proposal that the vacuum pump is connected in series between the vacuum low-temperature pipe and the buffer tank, and the compressor is connected in series between the buffer tank and the condenser; .
Drawings
Fig. 1 is a schematic view of a cold storage type central air conditioner with power generation function according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
By the utility model discloses a description attached drawing can know, the utility model discloses a take cold-storage central air conditioning of electricity generation function, it is including the vacuum cryogenical tube 1, buffer tank 2, condenser 3, liquid storage pot 4 and the heat exchange system 5 that communicate each other in proper order, and the liquid refrigerant has been stored in vacuum cryogenical tube 1, is provided with vacuum pump 6 and compressor 7 that are used for the liquid refrigerant vaporization in the vacuum cryogenical tube 1 between vacuum cryogenical tube 1 and the condenser 3, is provided with the turbine 8 that is used for generating electricity under the gaseous state refrigerant effect between heat exchange system 5 and the vacuum cryogenical tube 1.
A regulating valve 9 and a liquid pump 10 for ensuring the constant liquid discharge pressure are connected in series between the liquid storage tank 4 and the heat exchange system 5, and the regulating valve 9 and the liquid pump 10 are arranged in parallel. The vacuum pump 6 is connected in series between the vacuum low-temperature pipe 1 and the buffer tank 2. The compressor 7 is connected in series between the buffer tank 2 and the condenser 3.
The heat exchange system 5 comprises a first heat exchanger 5.1 and a second heat exchanger 5.2 arranged in series. The heat transfer medium of the first heat exchanger 5.1 is water. A blower 11 is arranged beside the second heat exchanger 5.2.
The utility model discloses utilize the characteristic that liquid boiling point can reduce under low pressure environment, the liquid refrigerant (as R134a, R22 etc.) that will store in vacuum cryogenic tank 1 passes through vacuum pump 6 evacuation, along with the reduction of 1 internal pressure in vacuum cryogenic tank, the boiling point of liquid refrigerant reduces, vaporize sooner, the heat absorption reduces remaining liquid refrigerant temperature among the vaporization process, it becomes solid-state refrigerant or solid-liquid mixed state refrigerant or low temperature liquid refrigerant and stores up to make it, the gaseous refrigerant that the vacuum pump was taken away is discharged after compressor 7 is compressed into the highly compressed gaseous refrigerant of high temperature, and flow into condenser 3 through the pipeline, dispel the heat in condenser 3, the cooling, liquefy into the highly compressed liquid refrigerant of normal atmospheric temperature, the storage is in liquid storage pot 4.
Two branches are set at the outlet of the liquid storage tank 4 to ensure that the liquid discharge pressure is constant, and when the indoor needs to be refrigerated, if the pressure in the liquid storage tank 4 is higher than the liquid discharge set pressure, the regulating valve 9 is opened, the liquid pump 10 is closed, and the liquid discharge pressure is regulated to a set value; if the pressure in the liquid storage tank 4 is lower than the liquid discharge set pressure, the regulating valve 9 is closed, the liquid pump 0 is opened, and the liquid discharge pressure is regulated to a set value.
The liquid refrigerant enters the first heat exchanger 5.1 at a set pressure, the first heat exchanger 5.1 adopts water as a heat-conducting medium, the liquid refrigerant is heated and vaporized after passing through the first heat exchanger 5.1, then enters the second heat exchanger 5.2, the heat of the air passing through the second heat exchanger 5.2 is absorbed in the second heat exchanger 5.2, the temperature of the air is reduced, cold air is blown into a room by the air blower 11, a refrigeration effect is generated, the temperature of the refrigerant is raised due to the heat absorption, the gaseous refrigerant in the state enters the turbine 8, the turbine 8 is driven to rotate, and the generator is driven to generate electricity.
The pressure of the refrigerant is kept constant during the process of vaporizing the refrigerant from liquid state to gas state under the combined regulating action of the regulating valve (or liquid pump) and the turbine. After the gaseous refrigerant works, the temperature and the pressure are both reduced, the gaseous refrigerant enters the vacuum low-temperature tank, the solid refrigerant in the tank is liquefied through heat exchange, and the next cycle is carried out.
The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims (7)

1. The utility model provides a take cold-storage central air conditioning of electricity generation function, includes vacuum cryostraw (1), buffer tank (2), condenser (3), liquid storage pot (4) and heat exchange system (5) that communicate each other in proper order, the storage has liquid refrigerant, its characterized in that in vacuum cryostraw (1): a vacuum pump (6) and a compressor (7) for vaporizing the liquid refrigerant in the vacuum low-temperature pipe (1) are arranged between the vacuum low-temperature pipe (1) and the condenser (3), and a turbine (8) for generating power under the action of the gaseous refrigerant is arranged between the heat exchange system (5) and the vacuum low-temperature pipe (1).
2. A cold-storage type central air conditioner with power generation function according to claim 1, characterized in that: a regulating valve (9) and a liquid pump (10) which are used for ensuring the constant liquid discharge pressure are connected in series between the liquid storage tank (4) and the heat exchange system (5), and the regulating valve (9) and the liquid pump (10) are arranged in parallel.
3. A cold-storage type central air conditioner with power generation function according to claim 1, characterized in that: the vacuum pump (6) is connected in series between the vacuum low-temperature pipe (1) and the buffer tank (2).
4. A cold-storage type central air conditioner with power generation function according to claim 1, characterized in that: the compressor (7) is connected in series between the buffer tank (2) and the condenser (3).
5. A cold-storage type central air conditioner with power generation function according to claim 1, characterized in that: the heat exchange system (5) comprises a first heat exchanger (5.1) and a second heat exchanger (5.2) arranged in series.
6. A cold-storage type central air conditioner with power generation function according to claim 5, characterized in that: the heat-conducting medium of the first heat exchanger (5.1) is water.
7. A cold-storage type central air conditioner with power generation function according to claim 5, characterized in that: and a blower (11) is arranged beside the second heat exchanger (5.2).
CN201920934838.6U 2019-06-20 2019-06-20 Cold-storage central air conditioner with power generation function Expired - Fee Related CN210320439U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920934838.6U CN210320439U (en) 2019-06-20 2019-06-20 Cold-storage central air conditioner with power generation function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920934838.6U CN210320439U (en) 2019-06-20 2019-06-20 Cold-storage central air conditioner with power generation function

Publications (1)

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CN210320439U true CN210320439U (en) 2020-04-14

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112762635A (en) * 2021-02-03 2021-05-07 河源市皓吉达通讯器材有限公司 Refrigerant circulating refrigeration system and refrigerant circulating method thereof
CN117190347A (en) * 2023-09-21 2023-12-08 明启创新科技(广州)有限公司 Air conditioning system and refrigeration method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112762635A (en) * 2021-02-03 2021-05-07 河源市皓吉达通讯器材有限公司 Refrigerant circulating refrigeration system and refrigerant circulating method thereof
CN117190347A (en) * 2023-09-21 2023-12-08 明启创新科技(广州)有限公司 Air conditioning system and refrigeration method
CN117190347B (en) * 2023-09-21 2024-06-04 明启创新科技(广州)有限公司 Air conditioning system and refrigeration method

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Granted publication date: 20200414