CN114111170A - Cold accumulation type cooling liquid circulating cooling system - Google Patents
Cold accumulation type cooling liquid circulating cooling system Download PDFInfo
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- CN114111170A CN114111170A CN202111376254.XA CN202111376254A CN114111170A CN 114111170 A CN114111170 A CN 114111170A CN 202111376254 A CN202111376254 A CN 202111376254A CN 114111170 A CN114111170 A CN 114111170A
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- liquid supply
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- 239000000110 cooling liquid Substances 0.000 title claims abstract description 56
- 238000001816 cooling Methods 0.000 title claims abstract description 28
- 238000009825 accumulation Methods 0.000 title claims abstract description 12
- 238000005057 refrigeration Methods 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims description 96
- 239000003507 refrigerant Substances 0.000 claims description 16
- 239000002826 coolant Substances 0.000 claims description 7
- 230000007613 environmental effect Effects 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 4
- 239000012080 ambient air Substances 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 claims description 2
- 230000001172 regenerating effect Effects 0.000 claims 2
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000004378 air conditioning Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 9
- 239000003570 air Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D15/00—Devices not covered by group F25D11/00 or F25D13/00, e.g. non-self-contained movable devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/005—Mounting of control devices
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a cold accumulation type cooling liquid circulation cooling system, which is characterized in that a cooling liquid cold accumulation circulation is added between an air conditioning refrigeration circulation and a cooling liquid supply circulation, the cold energy produced by the refrigeration circulation can be accumulated under the condition that a thermal load does not work, and the accumulated cold energy is used for cooling the thermal load when the thermal load works, so that the power of the cooling system is effectively reduced, and the waste in resources is reduced.
Description
Technical Field
The invention relates to the technical field of cooling liquid circulating cooling equipment, in particular to a cold storage type cooling liquid circulating cooling system.
Background
At present, cooling liquid circulation cooling equipment is widely used for cooling industrial equipment such as machine tools, welding machines, lasers and the like, and has the function of preparing chilled water to cool heating equipment.
When a common water circulation cooling device operates, the heating device and the cooling device work simultaneously to refrigerate in real time and cool the heating device. For some cooling devices (such as laser devices) which do not need to continuously work but have high heating power during working, a common scheme is to adopt real-time cooling devices for cooling, namely, cooling devices with the same cooling capacity as that of heating quantity to cool the heating devices in real time. The cooling system has high requirements on the power grid, and meanwhile, as the heating equipment does not work continuously, the use efficiency of the cooling equipment is not high, and unnecessary resource waste on the power grid and capital is caused.
Disclosure of Invention
The invention aims to make up for the defects of the prior art and provides a cold accumulation type cooling liquid circulating cooling system which can store refrigerating capacity in a cold accumulation mode and take away the heat productivity of heating equipment in a short time by using the stored refrigerating capacity when the heating equipment works.
The invention is realized by the following technical scheme:
a cold accumulation type cooling liquid circulating cooling system comprises a refrigeration circulating loop consisting of a compressor, a condenser, a throttling device and an evaporator, a cooling liquid cold accumulation circulating loop consisting of a cold liquid box, a heat exchange tee joint, a radiator, a circulating pump and the evaporator, and a cooling liquid supply circulating loop consisting of the cold liquid box, a hot liquid box, a liquid supply tee joint, a liquid supply pump and a heat load;
the refrigerant outlet of the compressor is communicated with the inlet of the condenser, the outlet of the condenser is communicated with the inlet of the throttling device, the outlet of the throttling device is communicated with the refrigerant inlet of the evaporator, and the refrigerant outlet of the evaporator is communicated with the refrigerant inlet of the compressor;
the first outlet of the cold liquid tank is communicated with the inlet of a circulating pump, the outlet of the circulating pump is communicated with the inlet of a heat exchange tee joint, the first outlet of the heat exchange tee joint is communicated with the cooling liquid inlet of the evaporator, the cooling liquid outlet of the evaporator is communicated with the first inlet of the cold liquid tank, the second outlet of the heat exchange tee joint is communicated with the inlet of a radiator, and the outlet of the radiator is communicated with the second inlet of the cold liquid tank;
the outlet II of the cold liquid tank is communicated with the inlet I of the liquid supply tee joint, the outlet I of the hot liquid tank is communicated with the inlet II of the liquid supply tee joint, the outlet of the liquid supply tee joint is communicated with the inlet of the liquid supply pump, the outlet of the liquid supply pump is communicated with the inlet of the heat load, the outlet of the heat load is communicated with the inlet of the hot liquid tank, and the outlet II of the hot liquid tank is communicated with the inlet III of the cold liquid tank.
And a heat exchange tee in the cooling liquid supply circulation loop determines whether to start the flow direction of the cooling liquid of the refrigeration circulation loop and the cooling liquid cold accumulation circulation loop according to the environmental temperature.
The cooling liquid in the cooling liquid tank is pumped into the heat exchange tee joint through a circulating pump, and is selected according to the environmental temperature: firstly, pumping into an evaporator of a refrigeration cycle loop, and carrying out heat exchange with a refrigerant of the refrigeration cycle loop; pumping into a radiator, and returning to the cold liquid tank after heat exchange with ambient air for heat dissipation.
And a liquid supply tee joint in the cooling liquid supply circulation loop adjusts the actual liquid supply temperature in real time.
The cooled cooling liquid in the cold liquid box and the high-temperature cooling liquid in the hot liquid box flow into the liquid supply tee joint, after passing through the liquid supply pump, the liquid supply temperature is intelligently adjusted according to the actual liquid supply temperature after the liquid supply pump and the set liquid supply temperature in a contrasting mode, the actual liquid supply temperature is adjusted to the set liquid supply temperature, the mixed cooling liquid returns to the hot liquid box after absorbing heat through the heat load, and the excessive part flows into the cold liquid box.
The invention has the advantages that: the invention effectively reduces the power requirement of the cooling system, reduces the requirement of the cooling system on the power supply and effectively reduces the resource waste; in winter, the low-temperature air in the environment is utilized, the temperature of the cooling liquid is effectively reduced, and the requirement on a power supply can be further reduced.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
Detailed Description
The invention is further illustrated below with reference to fig. 1 and the examples, as shown in fig. 1.
As shown in fig. 1, the cold storage type cooling liquid circulation cooling system comprises a refrigeration circulation loop 1 formed by sequentially communicating an evaporator 11, a compressor 12, a condenser 13 and a throttling device 14 through pipelines, a cooling liquid cold storage circulation loop 2 formed by a cold liquid tank 21, a circulation pump 25, a heat exchange tee 23, a radiator 24 and the evaporator 11, and a cooling liquid supply circulation loop 3 formed by the cold liquid tank 21, a hot liquid tank 22, a liquid supply tee 26, a liquid supply pump 27 and a heat load 28.
In the refrigeration cycle loop, an outlet of the compressor 12 is communicated with an inlet of the condenser 13 through a pipeline, an outlet of the condenser is communicated with an inlet of the throttling device 14 through a pipeline, an outlet of the throttling device is communicated with a refrigerant inlet of the evaporator 11 through a pipeline, and a refrigerant outlet of the evaporator is communicated with an inlet of the compressor through a pipeline, so that the refrigeration cycle loop is formed.
In the cooling liquid cold accumulation circulation loop, an outlet I of a cooling liquid box 21 is communicated with an inlet of a circulating pump 25 through a pipeline, an outlet of the circulating pump is communicated with an inlet of a heat exchange tee joint 23 through a pipeline, an outlet I of the heat exchange tee joint is communicated with a cooling liquid inlet of an evaporator 11 through a pipeline, a cooling liquid outlet of the evaporator is communicated with the inlet I of the cooling liquid box through a pipeline, an outlet II of the heat exchange tee joint is communicated with an inlet of a radiator 24 through a pipeline, and an outlet of the radiator is communicated with the inlet II of the cooling liquid box through a pipeline.
In the cooling liquid supply circulation loop, the outlet two of the cold liquid box 21 is communicated with the inlet one of the liquid supply tee 26 through a pipeline, the outlet one of the hot liquid box 22 is communicated with the inlet two of the liquid supply tee, the outlet of the liquid supply tee is communicated with the inlet of the liquid supply pump 27 through a pipeline, the outlet of the liquid supply pump is communicated with the inlet of the heat load 28, the outlet of the heat load is communicated with the inlet of the hot liquid box through a pipeline, and the outlet two of the hot liquid box is communicated with the inlet three of the cold liquid box.
The evaporator 11 is internally provided with a cooling liquid channel and a refrigerant channel, the cooling liquid channel and the refrigerant channel form heat exchange, the refrigerant channel is communicated and connected between the compressor 11 and the throttling device 14, the inlet of the cooling liquid channel is communicated with the first outlet of the heat exchange tee 23 through a pipeline, and the outlet of the cooling liquid channel is communicated with the first inlet of the cold liquid tank 21 through a pipeline.
During cold-storage, before the circulating pump starts, the heat transfer tee bend selects the coolant flow in the coolant cold-storage circulation through ambient temperature to flow to: when the ambient temperature is higher than the set transition temperature, the flow direction of the cooling liquid is as follows: the first outlet of the cold liquid tank 21, the circulating pump 25, the first outlet of the heat exchange tee joint, the evaporator 11 and the first inlet of the cold liquid tank reduce the temperature of the cooling liquid through the low-temperature refrigerant in the evaporator; when the ambient temperature is lower than the set transition temperature, the flow direction of the cooling liquid is as follows: the first outlet of the cold liquid tank 21, the circulating pump 25, the second outlet of the heat exchange tee joint, the radiator 24 and the second inlet of the cold liquid tank reduce the temperature of the cooling liquid through low-temperature air in the environment.
When the liquid supply is cooled, after the liquid supply pump 27 is started, the opening degree of the liquid supply tee 26 is adjusted in real time according to the comparison between the temperature of the cooling liquid between the outlet of the liquid supply pump 27 and the thermal load 28 and the set liquid supply temperature, and the liquid supply proportion of the cold liquid tank 21 and the hot liquid tank 22 is adjusted to enable the liquid supply temperature to be adjusted to the set value.
The embodiments of the present invention are described only for the preferred embodiments of the present invention, and not for the limitation of the concept and scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the design concept of the present invention shall fall into the protection scope of the present invention, and the technical content of the present invention which is claimed is fully set forth in the claims.
Claims (5)
1. The utility model provides a cold-storage coolant liquid circulative cooling system which characterized in that: the system comprises a refrigeration circulation loop consisting of a compressor, a condenser, a throttling device and an evaporator, a cooling liquid cold accumulation circulation loop consisting of a cold liquid box, a heat exchange tee joint, a radiator, a circulating pump and the evaporator, and a cooling liquid supply circulation loop consisting of the cold liquid box, a hot liquid box, a liquid supply tee joint, a liquid supply pump and a heat load;
the refrigerant outlet of the compressor is communicated with the inlet of the condenser, the outlet of the condenser is communicated with the inlet of the throttling device, the outlet of the throttling device is communicated with the refrigerant inlet of the evaporator, and the refrigerant outlet of the evaporator is communicated with the refrigerant inlet of the compressor;
the first outlet of the cold liquid tank is communicated with the inlet of a circulating pump, the outlet of the circulating pump is communicated with the inlet of a heat exchange tee joint, the first outlet of the heat exchange tee joint is communicated with the cooling liquid inlet of the evaporator, the cooling liquid outlet of the evaporator is communicated with the first inlet of the cold liquid tank, the second outlet of the heat exchange tee joint is communicated with the inlet of a radiator, and the outlet of the radiator is communicated with the second inlet of the cold liquid tank;
the outlet II of the cold liquid tank is communicated with the inlet I of the liquid supply tee joint, the outlet I of the hot liquid tank is communicated with the inlet II of the liquid supply tee joint, the outlet of the liquid supply tee joint is communicated with the inlet of the liquid supply pump, the outlet of the liquid supply pump is communicated with the inlet of the heat load, the outlet of the heat load is communicated with the inlet of the hot liquid tank, and the outlet II of the hot liquid tank is communicated with the inlet III of the cold liquid tank.
2. The cool storage type coolant circulation cooling system according to claim 1, characterized in that: and a heat exchange tee in the cooling liquid supply circulation loop determines whether to start the flow direction of the cooling liquid of the refrigeration circulation loop and the cooling liquid cold accumulation circulation loop according to the environmental temperature.
3. The cool storage type coolant circulation cooling system according to claim 2, characterized in that: the cooling liquid in the cooling liquid tank is pumped into the heat exchange tee joint through a circulating pump, and is selected according to the environmental temperature: firstly, pumping into an evaporator of a refrigeration cycle loop, and carrying out heat exchange with a refrigerant of the refrigeration cycle loop; pumping into a radiator, and returning to the cold liquid tank after heat exchange with ambient air for heat dissipation.
4. The regenerative coolant circulation cooling system according to claim 3, wherein: and a liquid supply tee joint in the cooling liquid supply circulation loop adjusts the actual liquid supply temperature in real time.
5. The regenerative coolant circulation cooling system according to claim 4, wherein: the cooled cooling liquid in the cold liquid box and the high-temperature cooling liquid in the hot liquid box flow into the liquid supply tee joint, after passing through the liquid supply pump, the liquid supply temperature is intelligently adjusted according to the actual liquid supply temperature after the liquid supply pump and the set liquid supply temperature in a contrasting mode, the actual liquid supply temperature is adjusted to the set liquid supply temperature, the mixed cooling liquid returns to the hot liquid box after absorbing heat through the heat load, and the excessive part flows into the cold liquid box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111376254.XA CN114111170A (en) | 2021-11-19 | 2021-11-19 | Cold accumulation type cooling liquid circulating cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111376254.XA CN114111170A (en) | 2021-11-19 | 2021-11-19 | Cold accumulation type cooling liquid circulating cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114111170A true CN114111170A (en) | 2022-03-01 |
Family
ID=80398024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111376254.XA Pending CN114111170A (en) | 2021-11-19 | 2021-11-19 | Cold accumulation type cooling liquid circulating cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114111170A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010271000A (en) * | 2009-05-25 | 2010-12-02 | Yamato:Kk | Heat storage type refrigerating system |
| CN102589114A (en) * | 2012-01-12 | 2012-07-18 | 广东申菱空调设备有限公司 | Air-cooled water chiller with natural cooling function and control method for water chiller |
| JP2012149782A (en) * | 2011-01-17 | 2012-08-09 | Shin Nippon Air Technol Co Ltd | Refrigerating system using water as refrigerant |
| CN106765783A (en) * | 2017-01-12 | 2017-05-31 | 深圳市星邑股份有限公司 | Energy-saving high-precision wine cellar air conditioning system combining water cold accumulation and natural cold source |
| CN107014013A (en) * | 2017-04-20 | 2017-08-04 | 广东申菱环境***股份有限公司 | A kind of secondary cycle formula evaporative condenser natural cooling cooling-water machine and its control method |
| CN108253697A (en) * | 2018-04-12 | 2018-07-06 | 合肥天鹅制冷科技有限公司 | The cold liquid machine of microcapsule emulsion cold-storage |
| CN109442799A (en) * | 2018-11-29 | 2019-03-08 | 宁波杭州湾新区祥源动力供应有限公司 | A kind of natural cooling source cold accumulation system |
| CN217154659U (en) * | 2021-11-19 | 2022-08-09 | 合肥天鹅制冷科技有限公司 | Cold accumulation type cooling liquid circulating cooling system |
-
2021
- 2021-11-19 CN CN202111376254.XA patent/CN114111170A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010271000A (en) * | 2009-05-25 | 2010-12-02 | Yamato:Kk | Heat storage type refrigerating system |
| JP2012149782A (en) * | 2011-01-17 | 2012-08-09 | Shin Nippon Air Technol Co Ltd | Refrigerating system using water as refrigerant |
| CN102589114A (en) * | 2012-01-12 | 2012-07-18 | 广东申菱空调设备有限公司 | Air-cooled water chiller with natural cooling function and control method for water chiller |
| CN106765783A (en) * | 2017-01-12 | 2017-05-31 | 深圳市星邑股份有限公司 | Energy-saving high-precision wine cellar air conditioning system combining water cold accumulation and natural cold source |
| CN107014013A (en) * | 2017-04-20 | 2017-08-04 | 广东申菱环境***股份有限公司 | A kind of secondary cycle formula evaporative condenser natural cooling cooling-water machine and its control method |
| CN108253697A (en) * | 2018-04-12 | 2018-07-06 | 合肥天鹅制冷科技有限公司 | The cold liquid machine of microcapsule emulsion cold-storage |
| CN109442799A (en) * | 2018-11-29 | 2019-03-08 | 宁波杭州湾新区祥源动力供应有限公司 | A kind of natural cooling source cold accumulation system |
| CN217154659U (en) * | 2021-11-19 | 2022-08-09 | 合肥天鹅制冷科技有限公司 | Cold accumulation type cooling liquid circulating cooling system |
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