CN111947257A - Regional cooling system - Google Patents
Regional cooling system Download PDFInfo
- Publication number
- CN111947257A CN111947257A CN202010770896.7A CN202010770896A CN111947257A CN 111947257 A CN111947257 A CN 111947257A CN 202010770896 A CN202010770896 A CN 202010770896A CN 111947257 A CN111947257 A CN 111947257A
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- China
- Prior art keywords
- water
- ice
- pipeline
- cooling
- cold
- 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.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 239000005457 ice water Substances 0.000 claims abstract description 49
- 239000000498 cooling water Substances 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 230000008859 change Effects 0.000 claims abstract description 10
- 238000005057 refrigeration Methods 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000000926 separation method Methods 0.000 claims description 16
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 12
- 238000009825 accumulation Methods 0.000 claims description 11
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 10
- 238000004378 air conditioning Methods 0.000 claims description 5
- 239000002826 coolant Substances 0.000 claims description 3
- 238000007710 freezing Methods 0.000 claims description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 230000005611 electricity Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 208000032369 Primary transmission Diseases 0.000 description 5
- 230000002528 anti-freeze Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
- F24F5/0021—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice using phase change material [PCM] for storage
-
- 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
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C5/00—Working or handling ice
- F25C5/02—Apparatus for disintegrating, removing or harvesting ice
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The invention discloses a regional cooling system, and belongs to the technical field of cooling systems. Cold-storage mechanism connects frozen water and mixes cooling pipeline and return water pipeline, frozen water mixes cooling pipeline and return water pipeline connection user indirect heating equipment, and cold-storage mechanism connects the pipeline a, be equipped with the ice-making circulating pump on the pipeline a, pipeline a is through phase change heat exchanger, pipeline b through the evaporimeter and phase change heat exchanger is equipped with the refrigeration circulating pump on the pipeline b, pipeline c through the condenser and evaporimeter, pipeline d process the condenser is connected cooling water system. The invention has the beneficial effects that: the cold supply pipeline conveys the ice-water mixture to ensure the cold supply effect; the cold storage and supply functions are provided, the cold storage working condition is mainly operated at the night valley electricity price time, and electric energy is reasonably distributed and utilized.
Description
Technical Field
The invention relates to a regional cooling system, and belongs to the technical field of regional cooling.
Background
The regional cooling system is a cooling system which takes one or more freezing stations as the center and provides air-conditioning chilled water for a plurality of independent buildings in a specific region through a primary transmission and distribution pipe network. The problems faced by this type of system are mainly: the temperature difference between the supplied water and the returned water is small, and the temperature of the supplied water and the returned water of the chilled water is generally designed to be 7/12 ℃; the pipe diameter of the primary transmission and distribution pipe network is large, the transmission energy consumption is high, and the heat loss is large. On one hand, the building types in the regional building are many, and the using functions and the time are different, so that the building has the technical condition of adopting an energy storage mode for adjustment; on the other hand, time-of-use electricity price and peak-to-valley electricity price policies are implemented in most regions in China, so that the economic condition for storing energy by using the electricity price difference of the peak-to-valley electricity prices is provided.
The existing cold storage modes mainly comprise chilled water storage and ice storage, wherein chilled water storage refers to cold storage by reducing the temperature of water, and the return water temperature for cold supply is usually designed to be 12 ℃, so the limit temperature difference of chilled water storage is limited by the return water temperature of the system; the ice cold-storage, ice cold-storage mainly has static ice storage and dynamic ice storage at present, no matter what kind of ice storage mode all realizes through indirect heat transfer mode, and the heat exchanger is ice-storage pipe or ice storage dish, and the problem that the pipe diameter is big, the energy consumption is high is carried to one-level temporarily to this kind of mode can't solve one-level.
Disclosure of Invention
The invention provides a regional cooling system, aiming at solving the problems that in the prior art, the temperature difference of supply and return water of frozen water in a primary transmission and distribution pipe network is small, the medium cold carrying capacity is small, the pipe diameter of the primary transmission and distribution pipe network is large, the transmission energy consumption is high, and the heat loss is large. The system has two operation functions of cold accumulation operation working condition and cold supply operation working condition; the cold accumulation and the cold supply can be operated independently and simultaneously, and the cold accumulation working condition is mainly operated at the night valley electricity price period; the cold supply working condition can be operated at any time interval within 24h all day according to the actual use condition of the air conditioner of a user.
The technical scheme of the invention is as follows: the utility model provides an area cooling system, cold-storage mechanism connect frozen water and mix cooling pipeline and return water pipeline, frozen water mixes cooling pipeline and return water pipe connection user indirect heating equipment, cold-storage mechanism connecting line a, be equipped with the system ice circulating pump on the pipeline a, pipeline a is through phase change heat exchanger, pipeline b through the evaporimeter and phase change heat exchanger is equipped with the refrigeration circulating pump on the pipeline b, pipeline c through the condenser and evaporimeter, pipeline d process the condenser is connected cooling water system.
And a cooling circulating pump is arranged on the water return pipeline.
The cold supply branch passes through the user heat exchange equipment, a cold supply branch inlet is connected with an ice-water mixed cold supply pipeline, a cold supply branch outlet is connected with a water return pipeline, and the user heat exchange equipment is connected with user side air conditioning equipment.
And a control valve a is arranged on the cold supply branch.
And a cooling water circulating pump a and a control valve b are arranged on the pipeline c, and a cooling water circulating pump b is arranged on the pipeline d.
The cold accumulation mechanism comprises an ice-water separation screen, a water storage tank, an ice crushing tank, an ice crusher, an ice-water mixing tank and mixing blades; the ice-water separation screen is obliquely arranged at the top of the water storage tank, the bottom of the ice-water separation screen is connected with an inlet at the top of the ice crusher, the top of the ice-water separation screen is positioned at the bottom of the phase-change heat exchanger, the ice crushing tank is positioned at the bottom of the ice crusher, two sides of the ice crushing tank are respectively communicated with the water storage tank and the ice-water mixing tank through a water supply port a and a water supply port b, the mixing paddle is positioned in the ice-water mixing tank, and an outlet of.
The height of the water supply opening a is lower than that of the water supply opening b.
The water return pipeline and the pipeline a are both connected with the reservoir.
The cooling medium in the ice making circulating pump is ethylene glycol or glycerol antifreeze.
The user heat exchange equipment is a shell-and-tube heat exchanger, an ice-water mixture flows through a tube pass, the user use side flows through a shell pass, and the nominal diameter of the tube pass is not less than DN 50.
The invention has the beneficial effects that: the cold supply pipeline conveys the ice-water mixture to ensure the cold supply effect; the cold storage and supply functions are provided, the cold storage and supply device can be operated independently and simultaneously, the cold storage working condition is mainly operated at the night valley price time, and electric energy is reasonably distributed and utilized; the cold supply working condition can be operated at any time interval within 24h all day according to the actual use condition of the air conditioner of a user.
Drawings
FIG. 1 is a schematic diagram of the present invention;
fig. 2 is a schematic structural view of the cold storage mechanism.
The reference numbers in the figures are as follows: 1. the system comprises a cold accumulation mechanism, 1.1, an ice-water separation screen, 1.2, a water storage tank, 1.3, an ice crushing tank, 1.4, an ice crusher, 1.5, an ice-water mixing tank, 1.6, a mixing paddle, 1.7, a water supply port a, 1.8, a water supply port b, 2, an ice-water mixing and cooling pipeline, 3, a water return pipeline, 4, user heat exchange equipment, 5, a cooling branch, 6, user air conditioning equipment, 7, a control valve a, 8, a pipeline a, 9, an ice making circulating pump, 10, a phase change type heat exchanger, 11, a pipeline b, 12, an evaporator, 13, a refrigeration circulating pump, 14, a pipeline c, 15, a condenser, 16, a cooling water circulating pump a, 17, a control valve b, 18, a pipeline d, 19, a cooling water system, 20, a cooling water circulating pump b, 21 and a cooling circulating pump.
Detailed Description
The invention is further illustrated with reference to the accompanying figures 1-2:
the utility model provides an area cooling system, cold-storage mechanism 1 connects frozen water mixing cooling pipeline 2 and return water pipeline 3, user indirect heating equipment 4 is connected to frozen water mixing cooling pipeline 2 and return water pipeline 3, and cold-storage mechanism 1 connecting line a8, be equipped with ice-making circulating pump 9 on the pipeline a8, pipeline a8 is through phase change heat exchanger 10, pipeline b11 through evaporimeter 12 and phase change heat exchanger 10 is equipped with refrigeration circulating pump 13 on the pipeline b11, pipeline c14 through condenser 15 and evaporimeter 12, pipeline d18 process condenser 15 and cooling water system 19 are connected. And a cooling circulating pump 21 is arranged on the water return pipeline 3. The cold supply branch 5 passes through the user heat exchange equipment 4, an inlet of the cold supply branch 5 is connected with the ice-water mixed cold supply pipeline 2, an outlet of the cold supply branch 5 is connected with the water return pipeline 3, and the user heat exchange equipment 4 is connected with the user side air conditioning equipment 6. The cold supply branch 5 is provided with a control valve a 7. The pipeline c14 is provided with a cooling water circulating pump a16 and a control valve b17, and the pipeline d18 is provided with a cooling water circulating pump b 20. The cold accumulation mechanism 1 comprises an ice water separation screen 1.1, a water storage tank 1.2, an ice crushing tank 1.3, an ice crusher 1.4, an ice water mixing tank 1.5 and a mixing paddle 1.6; the ice-water separation screen 1.1 is obliquely arranged at the top of the water storage tank 1.2, the bottom of the ice-water separation screen 1.1 is connected with an inlet at the top of the ice crusher 1.4, the top of the ice-water separation screen 1.1 is positioned at the bottom of the phase-change heat exchanger 10, the ice crushing tank 1.3 is positioned at the bottom of the ice crusher 1.4, two sides of the ice crushing tank 1.3 are respectively communicated with the water storage tank 1.2 and the ice-water mixing tank 1.5 through a water supply port a1.7 and a water supply port b1.8, the mixing paddle 1.6 is positioned in the ice-water mixing tank 1.5, and an outlet of the ice-water mixing tank. The height of the water supply opening a1.7 is lower than that of the water supply opening b 1.8. The return line 3 and the line a8 are both connected to the reservoir 1.2. The cooling medium in the ice making circulating pump 9 is ethylene glycol or glycerol antifreeze. The user heat exchange equipment 4 is a shell-and-tube heat exchanger, an ice-water mixture flows through a tube pass, the user use side flows through a shell pass, and the nominal diameter of the tube pass is not less than DN 50.
The invention has two operation functions of cold accumulation operation condition and cold supply operation condition. When the cold storage working condition is operated, the water chilling unit operates under the ice making working condition, and a cooling water system (a cooling tower or an environmental water source), a cooling water circulating pump, the water chilling unit, a refrigeration circulating pump, an ice making circulating pump and the phase change type heat exchanger all need to be put into an operating state. Referring to fig. 1, when the cold accumulation working condition is running, the medium conveyed by the refrigeration circulating pump 13 is glycol or glycerol antifreeze, the temperature of the medium entering the evaporator 12 is-1 ℃, the temperature of the medium flowing out of the evaporator 12 is-6 ℃, the temperature of the medium entering the low-temperature side of the phase-change heat exchanger 10 is-6 ℃, and the temperature of the medium flowing out of the low-temperature side of the phase-change heat exchanger 10 is-1 ℃; referring to fig. 1, on the secondary side of the heat exchanger, water enters the phase-change heat exchanger 10, stays in the phase-change heat exchanger 10 for 120s, after 120s, 30% of the water entering the phase-change heat exchanger 10 is condensed into ice on the outer surface of the heat exchanger, is separated from the ice by the action of a scraper on the outer surface of the heat exchanger, and enters the cold accumulation mechanism 1 along with the water discharged from the heat exchanger;
referring to fig. 2, an ice-water mixture enters the cold accumulation mechanism 1, ice-water separation is carried out through an ice-water separation screen 1.1 by utilizing gravity, and water falls into a reservoir 1.2 and is conveyed into the phase-change heat exchanger 10 by a water pump to repeatedly make ice; ice slides into the ice crusher 1.4 along the ice-water separation screen 1.1, is crushed into ice particles by a machine, and enters the ice crushing pool 1.3, and an ice making cycle process is completed.
Under the working condition of cooling operation, water in the water storage tank 1.2 is mixed with ice particles in the ice crushing tank 1.3 to form an ice-water mixture, the ice-water mixture is conveyed by the primary transmission and distribution pipe network, the mass ratio of the ice-water mixture is controlled within 35%, and the maximum cold carrying capacity of the ice-water mixture with the same mass is 28 times that of the water with the same mass. In order to solve the problem of unsmooth conveying caused by ice-water stratification due to different ice and water densities in the conveying process, a flocculating agent is added into the ice crushing pool to increase the ice density and ensure that the ice-water density is kept consistent in the conveying and distributing process, and the ice-water is conveyed to a user side by a cooling circulating pump 21 for cooling.
Referring to fig. 1, in order to overcome the problem that the ice-water mixture causes blockage of a conventional heat exchanger (such as a plate heat exchanger) in the heat exchange process, the user heat exchange equipment 4 adopts a fixed tube plate heat exchanger with the pipe diameter of DN50, the ice-water mixture flows into a heat exchange pipe, and chilled water on the user side flows out of a shell pass.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides an area cooling system, its characterized in that, ice water mixing cooling pipeline (2) and return water pipeline (3) are connected in cold-storage mechanism (1), user indirect heating equipment (4) are connected in ice water mixing cooling pipeline (2) and return water pipeline (3), and cold-storage mechanism (1) connecting line a (8), be equipped with ice-making circulating pump (9) on pipeline a (8), pipeline a (8) are through phase change heat exchanger (10), pipeline b (11) through evaporimeter (12) and phase change heat exchanger (10), be equipped with refrigeration circulating pump (13) on pipeline b (11), pipeline c (14) through condenser (15) and evaporimeter (12), pipeline d (18) pass through condenser (15) and connecting cooling water system (19).
2. A district cooling system according to claim 1, characterised in that a cooling circulation pump (21) is provided on the return line (3).
3. The regional cooling system according to claim 1, wherein the cooling branch (5) passes through the user heat exchange equipment (4), an inlet of the cooling branch (5) is connected with the ice-water mixed cooling pipeline (2), an outlet of the cooling branch (5) is connected with the water return pipeline (3), and the user heat exchange equipment (4) is connected with user-side air conditioning equipment (6).
4. A zone cooling system according to claim 3, characterized in that the cooling branch (5) is provided with a control valve a (7).
5. A district cooling system according to claim 1, wherein a cooling water circulation pump a (16) and a control valve b (17) are provided on the pipe c (14), and a cooling water circulation pump b (20) is provided on the pipe d (18).
6. The district cooling system according to claim 1, wherein the cold accumulation mechanism (1) comprises an ice-water separation screen (1.1), a water reservoir (1.2), an ice crushing tank (1.3), an ice crusher (1.4), an ice-water mixing tank (1.5), a mixing paddle (1.6); the ice-water separation screen (1.1) is obliquely arranged at the top of the water storage pool (1.2), the bottom of the ice-water separation screen (1.1) is connected with an inlet at the top of the ice crusher (1.4), the top of the ice-water separation screen (1.1) is positioned at the bottom of the phase-change heat exchanger (10), the ice crushing pool (1.3) is positioned at the bottom of the ice crusher (1.4), two sides of the ice crushing pool (1.3) are respectively communicated with the water storage pool (1.2) and the ice-water mixing pool (1.5) through a water supply port a (1.7) and a water supply port b (1.8), the mixing paddle (1.6) is positioned in the ice-water mixing pool (1.5), and an outlet of the ice-water mixing pool (1.5) is communicated.
7. The zone cooling system according to claim 6, wherein the water supply port a (1.7) is lower in height than the water supply port b (1.8).
8. A district cooling system according to claim 6, characterised in that the return pipe (3) and the pipe a (8) are both connected to the reservoir (1.2).
9. District cooling system according to claim 1, characterised in that the cooling medium in the ice-making circulation pump (9) is glycol or glycerol anti-freezing liquid.
10. A zone cooling system according to claim 1, characterized in that the user heat exchanger (4) is a shell-and-tube heat exchanger, the ice-water mixture flows through the tube side, the user side flows through the shell side, and the nominal diameter of the tube side is not less than DN 50.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010770896.7A CN111947257A (en) | 2020-08-04 | 2020-08-04 | Regional cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010770896.7A CN111947257A (en) | 2020-08-04 | 2020-08-04 | Regional cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111947257A true CN111947257A (en) | 2020-11-17 |
Family
ID=73339306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010770896.7A Pending CN111947257A (en) | 2020-08-04 | 2020-08-04 | Regional cooling system |
Country Status (1)
| Country | Link |
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| CN (1) | CN111947257A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628900A (en) * | 2021-01-21 | 2021-04-09 | 中国建筑西北设计研究院有限公司 | Regional cooling system based on partitioned energy source station |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1089729A (en) * | 1996-09-17 | 1998-04-10 | Mitsubishi Heavy Ind Ltd | Ice heat storage device by supercooled water and operation method |
| JP2001004173A (en) * | 1999-06-18 | 2001-01-12 | Hitachi Ltd | Ice storage type air-conditioning device and operation method |
| CN204987335U (en) * | 2015-09-18 | 2016-01-20 | 南京佳力图空调机电有限公司 | Refrigerated water type computer lab air conditioner of fluorine pump dual cycle nature cold source cold -storage system |
| CN107894124A (en) * | 2017-12-14 | 2018-04-10 | 江苏高菱蓄能科技有限公司 | A kind of ice making crushing all-in-one machine |
| CN108548353A (en) * | 2018-06-14 | 2018-09-18 | 深圳市兄弟制冰系统有限公司 | A kind of artificial snow-making system |
| CN109665323A (en) * | 2018-12-07 | 2019-04-23 | 深圳市兄弟制冰系统有限公司 | It is a kind of to do the defeated ice conveying system of carrier with water at low temperature |
| CN110285467A (en) * | 2019-08-02 | 2019-09-27 | 邵阳学院 | A kind of indirect cooling phase-change accumulating type ice source heat pump system |
-
2020
- 2020-08-04 CN CN202010770896.7A patent/CN111947257A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1089729A (en) * | 1996-09-17 | 1998-04-10 | Mitsubishi Heavy Ind Ltd | Ice heat storage device by supercooled water and operation method |
| JP2001004173A (en) * | 1999-06-18 | 2001-01-12 | Hitachi Ltd | Ice storage type air-conditioning device and operation method |
| CN204987335U (en) * | 2015-09-18 | 2016-01-20 | 南京佳力图空调机电有限公司 | Refrigerated water type computer lab air conditioner of fluorine pump dual cycle nature cold source cold -storage system |
| CN107894124A (en) * | 2017-12-14 | 2018-04-10 | 江苏高菱蓄能科技有限公司 | A kind of ice making crushing all-in-one machine |
| CN108548353A (en) * | 2018-06-14 | 2018-09-18 | 深圳市兄弟制冰系统有限公司 | A kind of artificial snow-making system |
| CN109665323A (en) * | 2018-12-07 | 2019-04-23 | 深圳市兄弟制冰系统有限公司 | It is a kind of to do the defeated ice conveying system of carrier with water at low temperature |
| CN110285467A (en) * | 2019-08-02 | 2019-09-27 | 邵阳学院 | A kind of indirect cooling phase-change accumulating type ice source heat pump system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628900A (en) * | 2021-01-21 | 2021-04-09 | 中国建筑西北设计研究院有限公司 | Regional cooling system based on partitioned energy source station |
| CN112628900B (en) * | 2021-01-21 | 2022-02-22 | 中国建筑西北设计研究院有限公司 | Regional cooling system based on partitioned energy source station |
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Application publication date: 20201117 |
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