CN211823245U - Novel carbon dioxide ice cold-storage system - Google Patents
Novel carbon dioxide ice cold-storage system Download PDFInfo
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- CN211823245U CN211823245U CN201922400856.9U CN201922400856U CN211823245U CN 211823245 U CN211823245 U CN 211823245U CN 201922400856 U CN201922400856 U CN 201922400856U CN 211823245 U CN211823245 U CN 211823245U
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Abstract
The utility model discloses a novel carbon dioxide ice cold-storage system. The utility model discloses during the system cold-storage, CO2The refrigerant evaporates in the evaporator to absorb the heat of water in the ice storage tank, the cold is stored in the ice storage tank, and then CO2The refrigerant enters a gas-liquid separator and is subjected to gas-liquid separationThe discharged liquid refrigerant returns to the evaporator again, the gas refrigerant enters a compression cylinder of the electromagnetic compression-expansion all-in-one machine, and CO is compressed2The gas refrigerant flows through the gas cooler to release heat and then is divided into two paths, one path of the gas refrigerant flows into an expansion cylinder of the electromagnetic compression and expansion all-in-one machine to complete expansion and pressure reduction, the other path of the gas refrigerant flows through a throttle valve to throttle and reduce pressure, the two paths of the gas refrigerant after pressure reduction are converged and then flow into the evaporator again to perform phase change heat exchange, and cold energy is stored in the ice storage tank. The utility model provides the high performance under ice cold-storage system ice-making operating mode to improve the efficiency of whole ice cold-storage system.
Description
Technical Field
The utility model relates to an ice cold-storage system field, thereby more specifically says so and relates to an ice cold-storage system through improving the efficiency of cold-storage circulation and improving whole efficiency.
Background
With the development of economy, the number of central air conditioning systems used in buildings is increasing, and not only is the electricity consumption increased, but also the electricity consumption in day and night is unbalanced. The power consumption of the spike is transferred, the balanced power supply is achieved, the investment of power equipment is reduced, and the operating cost of refrigeration equipment is saved, so that the method is a pressing task. Ice storage is one of the important means to achieve this goal. In addition, in recent years, demands for environmental protection have been further increased, and the use of chlorofluorocarbon refrigerants has been restricted because of their destructive action on the atmospheric ozone layer, and a consensus that CFCs are completely prohibited and HCFC refrigerants are increasingly restricted has been established internationally.
The performance of the ice storage system under the ice making working condition has important influence on the operation performance of the whole system, and simultaneously influences the operation efficiency of the whole system. The traditional ice storage system needs to make ice and store cold under the ice making working condition at the electricity price valley section, under the ice making working condition, in order to obtain ice at 0 ℃ during the ice making operation, the evaporation temperature of a refrigerator is often required to be reduced to below-8 ℃, and the efficiency of the system is obviously reduced due to the reduction of the evaporation temperature, so that the performance Coefficient (COP) of the refrigerator in the ice storage process at night is reduced, and the energy waste is caused.
In summary, it is necessary to provide an environmentally friendly and efficient refrigeration system for ice storage system to complete the ice making process.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an overcome ice cold-storage systemThe ice working condition efficiency is lower, and the problems that the ozone layer is damaged by adopting the traditional Freon as the refrigerant and the like are solved, and the novel efficient CO is adopted2The ice storage system for completing the ice making process by the refrigerating system has simple and reasonable design, improves the efficiency of the ice storage system, and has the effects of energy conservation, environmental protection and peak power transfer.
In order to achieve the above purpose, the utility model adopts the following technical means:
the utility model relates to a novel CO2The refrigeration system consists of a refrigeration system, an ice storage tank and a cold utilization system, and comprises a gas-liquid separator 1, an electromagnetic compression-expansion all-in-one machine 2, a gas cooler 3, a throttle valve 4 and an evaporator 5; a refrigerant outlet pipeline of the evaporator 5 is connected with an inlet of the gas-liquid separator 1, an outlet of the gas-liquid separator 1 is connected with an inlet of a compression cylinder of the electromagnetic compression-expansion all-in-one machine 2, an outlet of the compression cylinder of the electromagnetic compression-expansion all-in-one machine 2 is connected with an inlet pipeline of the gas cooler 3, an outlet of the gas cooler 3 is divided into two paths, and one path of the outlet passes through the throttle valve 4; one path of the air passes through an expansion cylinder of the electromagnetic compression-expansion all-in-one machine 2, and an outlet of the throttle valve 4 is connected with an inlet of the evaporator 5 after being converged with an outlet pipeline of the expansion cylinder;
the cold using system comprises a heat exchanger 6, a coolant carrying pump 7 and a cooler 8, wherein an outlet of the heat exchanger 6 is connected with an inlet pipeline of the coolant carrying pump 7, an outlet pipeline of the coolant carrying pump 7 is connected with an inlet of the cooler 8, an outlet pipeline of the cooler 8 is connected with an inlet of the heat exchanger 6, and the evaporator 5 and the heat exchanger 6 are placed in the ice storage tank.
The utility model discloses an electromagnetic drive's compression expansion all-in-one replaces traditional CO2In the refrigeration cycle, two cylinder bodies of a compressor and a compression-expansion integrated machine are respectively used as a compression cylinder and an expansion cylinder to finish CO2Compression and expansion processes, the expansion work produced by the expansion process being directed to CO2In the compression process, the part with insufficient energy consumption in the compression process is supplemented by electromagnetic drive, and an expansion cylinder in the compression-expansion integrated machine is connected with a throttle valve in parallel to complete the pressure reduction process of the refrigerant; CO 22When the refrigerating system is running to make ice, CO2The refrigerant is divided into two paths by a gas cooler, and one path flows into a compression and expansion integrated bodyThe expansion cavity of the machine expands and reduces pressure, the other path of the gas flows through the throttle valve to throttle and reduce pressure, and two paths of CO after pressure reduction are finished2The refrigerant is converged and flows into the evaporator to be evaporated, the cold energy is stored in the ice storage tank, and the CO discharged from the evaporator2The refrigerant flows into a gas-liquid separator, the separated gas refrigerant enters a compression cavity of the compression-expansion all-in-one machine for compression and then enters a gas cooler, the liquid refrigerant returns to the evaporator again for phase change refrigeration, and heat in the ice storage tank is absorbed, so that the ice making process is completed.
The utility model has the advantages that:
1. direct CO recovery by electromagnetic compression and expansion integrated machine2The expansion function of the ice storage system is applied to the compression process, so that the performance of the ice storage system under the ice making working condition is improved, and the efficiency of the whole ice storage system is improved.
2. The electromagnetic compression-expansion integrated machine is adopted to eliminate the friction loss caused by a crank connecting rod, and in addition, if the resonant spring is reasonably designed, the friction loss caused by side pressure is small, so the mechanical efficiency is very high, and only a small amount of lubricating oil or no lubricating oil is needed.
3. The driving system of the electromagnetic compression-expansion all-in-one machine is non-rigid, the collision of an internal mechanism is very small, the stroke of a piston is in direct proportion to the driving voltage, the operation efficiency is easy to control and improve, the reduction of moving parts reduces the cost and improves the reliability of the compressor at the same time.
Drawings
FIG. 1 shows the novel CO2A flow diagram of an ice storage system;
fig. 2 is a simplified diagram of the electromagnetic compression-expansion integrated machine of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description.
Referring to fig. 1-2, the refrigeration system comprises a refrigeration system, an ice storage tank and a cold utilization system, wherein the refrigeration system comprises a gas-liquid separator 1, an electromagnetic compression-expansion all-in-one machine 2, a gas cooler 3, a throttle valve 4 and an evaporator 5; a refrigerant outlet pipeline of the evaporator 5 is connected with an inlet of the gas-liquid separator 1, an outlet of the gas-liquid separator 1 is connected with an inlet of a compression cylinder 9 of the electromagnetic compression-expansion all-in-one machine 2, an outlet of the compression cylinder of the electromagnetic compression-expansion all-in-one machine 2 is connected with an inlet pipeline of the gas cooler 3, an outlet of the gas cooler 3 is divided into two paths, and one path of the outlet of the gas cooler passes through the throttle valve; one path of the compressed air passes through an expansion cylinder 10 of the electromagnetic compression and expansion integrated machine 2, and an outlet of a throttle valve 4 is connected with an inlet of an evaporator 5 after being converged with an outlet pipeline of the expansion cylinder;
the cold using system comprises a heat exchanger 6, a coolant carrying pump 7 and a cooler 8, wherein an outlet of the heat exchanger 6 is connected with an inlet pipeline of the coolant carrying pump 7, an outlet pipeline of the coolant carrying pump 7 is connected with an inlet of the cooler 8, an outlet pipeline of the cooler 8 is connected with an inlet of the heat exchanger 6, and the evaporator 5 and the heat exchanger 6 are placed in the ice storage tank.
The ice cold accumulation system carries out cold accumulation circulation at night and cold accumulation circulation at daytime. Night, CO2When the refrigerating system is running to make ice, CO2The refrigerant is divided into two paths after being cooled by the gas cooler 3, one path of the refrigerant flows into an expansion cavity of the compression and expansion integrated machine 2 for expansion and pressure reduction, and the recovered expansion work is directly used for CO2The part with insufficient energy consumption is supplemented by electromagnetic drive in the compression process, the other path of energy is throttled and depressurized by the throttle valve 4, and two paths of CO are subjected to depressurization2The refrigerant is converged and flows into the evaporator 5 to be evaporated, the cold energy is stored in the ice storage tank, and the CO flows out of the evaporator 52The refrigerant flows into the gas-liquid separator 1, the separated gas refrigerant enters a compression cavity of the compression-expansion all-in-one machine 2 for compression, then is heated and pressurized to be changed into superheated gas, then enters the gas cooler 3, and the liquid refrigerant returns to the evaporator 5 again for phase change refrigeration to absorb heat in the ice storage tank, thereby completing the ice making process. And (3) performing a cooling circulation in daytime, wherein the secondary refrigerant flows into the heat exchanger 6, ice in the ice storage tank absorbs heat of the secondary refrigerant after melting, and the cooled secondary refrigerant flows into the cooler 8 after being pressurized by the secondary refrigerant pump 7 to perform forced convection heat exchange with air in the cold using space, so that the cooling of the cold using space is completed.
While the present invention has been described above with reference to the accompanying drawings, it is not limited to the above specific embodiments, which are illustrative only and not restrictive. The change under the flow of the utility model is within the protection of the utility model.
Claims (2)
1. The utility model provides a novel carbon dioxide ice cold-storage system which characterized in that: consists of a refrigerating system, an ice storage tank and a cold using system,
the refrigeration system comprises a gas-liquid separator (1), an electromagnetic compression-expansion all-in-one machine (2), a gas cooler (3), a throttle valve (4) and an evaporator (5); a refrigerant outlet pipeline of the evaporator (5) is connected with an inlet of the gas-liquid separator (1), an outlet of the gas-liquid separator (1) is connected with an inlet of a compression cylinder of the electromagnetic compression-expansion all-in-one machine (2), an outlet of the compression cylinder of the electromagnetic compression-expansion all-in-one machine (2) is connected with an inlet pipeline of the gas cooler (3), outlets of the gas cooler (3) are divided into two paths, and one path of outlet passes through the throttle valve (4); one path passes through an expansion cylinder of the electromagnetic compression-expansion integrated machine (2), and an outlet of the throttle valve (4) is connected with an inlet of the evaporator (5) after being converged with an outlet pipeline of the expansion cylinder;
the cold using system comprises a heat exchanger (6), a carrier refrigerant pump (7) and a cooler (8), wherein an outlet of the heat exchanger (6) is connected with an inlet pipeline of the carrier refrigerant pump (7), an outlet pipeline of the carrier refrigerant pump (7) is connected with an inlet of the cooler (8), and an outlet pipeline of the cooler (8) is connected with an inlet of the heat exchanger (6); the evaporator (5) and the heat exchanger (6) are arranged in the ice storage tank.
2. The novel carbon dioxide ice storage system as claimed in claim 1, wherein the electromagnetic compression and expansion all-in-one machine adopts a permanent magnet piston, and is driven by the electromagnetic effect generated by an alternating current coil winding and the expansion work recovered by an expansion cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922400856.9U CN211823245U (en) | 2019-12-27 | 2019-12-27 | Novel carbon dioxide ice cold-storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922400856.9U CN211823245U (en) | 2019-12-27 | 2019-12-27 | Novel carbon dioxide ice cold-storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211823245U true CN211823245U (en) | 2020-10-30 |
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ID=73036254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922400856.9U Expired - Fee Related CN211823245U (en) | 2019-12-27 | 2019-12-27 | Novel carbon dioxide ice cold-storage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211823245U (en) |
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2019
- 2019-12-27 CN CN201922400856.9U patent/CN211823245U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 Termination date: 20211227 |