CN104848631A - Cool storage fruit and vegetable refrigerating chamber - Google Patents
Cool storage fruit and vegetable refrigerating chamber Download PDFInfo
- Publication number
- CN104848631A CN104848631A CN201510260005.2A CN201510260005A CN104848631A CN 104848631 A CN104848631 A CN 104848631A CN 201510260005 A CN201510260005 A CN 201510260005A CN 104848631 A CN104848631 A CN 104848631A
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- CN
- China
- Prior art keywords
- evaporimeter
- cold
- valve
- condenser
- liquid
- 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
- 238000003860 storage Methods 0.000 title claims abstract description 46
- 235000012055 fruits and vegetables Nutrition 0.000 title claims abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000001035 drying Methods 0.000 claims abstract description 20
- 239000011521 glass Substances 0.000 claims abstract description 20
- 238000005057 refrigeration Methods 0.000 claims description 24
- 238000001914 filtration Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 15
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 238000009987 spinning Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000003507 refrigerant Substances 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
Classifications
-
- 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
- F25D13/00—Stationary devices, e.g. cold-rooms
-
- 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
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
-
- 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
- F25D2303/00—Details of devices using other cold materials; Details of devices using cold-storage bodies
- F25D2303/08—Devices using cold storage material, i.e. ice or other freezable liquid
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention relates to a cool storage fruit and vegetable refrigerating chamber which comprises a refrigerating chamber, a cool storage pool, a first evaporator, a liquid receiver, a compressor, a condenser, a throttle valve, a drying filter, liquid sight glass, a first electromagnetic stop valve, a second electromagnetic stop valve, a second evaporator, a humidifier and a circulating pump. The cool storage pool is arranged below the refrigerating chamber; a cool storage circuit is formed by the compressor, the condenser, the throttle valve, the drying filter, the liquid sight glass, the first electromagnetic stop valve, the first evaporator and the liquid receiver; a refrigerating circuit is formed by the compressor, the condenser, the throttle valve, the drying filter, the liquid sight glass, the second electromagnetic stop valve, the second evaporator and the liquid receiver; a cool discharge circuit is formed by the first evaporator, the circulating pump and the second evaporator; the cool storage pool is filled with cool storage media, and the cool discharge circuit is filled with secondary refrigerants; the cool storage circuit and the refrigerating circuit are filled with refrigerants. The cool storage fruit and vegetable refrigerating chamber has the advantages that the operating cost of a system can be reduced, electric network load characteristics can be improved, the fruit and vegetable storage quality can be enhanced, and the like.
Description
Technical field
The present invention relates to a kind of fruit and vegetable refrigerating storehouse, particularly relate to a kind of cold storage fruit and vegetable refrigerating storehouse.Belong to fruits and vegetables cold chain technology field.
Background technology
China is a large agricultural country, and fruits and vegetables output is the second largest agricultural industry being only second to grain, first of fruits and vegetables annual production Jun Ju countries in the world.Refrigerate the key link as fruits and vegetables cold chain, it plays vital effect to fruits and vegetables circulation.According to the statistics of international freezer association (IARW), the freezer capacity of China in 2012 is more than 0.2 billion cubic meter, and freezer specific energy consumption is about 130kWh/ (m
3year), national freezer year power consumption reach 2,600,000,000 kWh, power consumption and energy consumption cost huge.In addition, load peak time and the city peak of power consumption in conventional refrigeration storehouse match, and make power system load characteristic degradation.Exploitation one can cold storage fruit and vegetable refrigerating storehouse, and to optimization network system part throttle characteristics, the energy consumption cost reducing fruits and vegetables cold chain link has realistic meaning.
In recent years, along with China's economy and social fast development, cause power supply shortage, network load energy imbalance becomes increasingly conspicuous, load rate of grid declines year by year, and day electricity consumption peak-valley difference and year electricity consumption peak-valley difference increase, and cause the imbalance of work of electric power system, the average peak-valley ratio in the whole nation is about 5%, and some electrical network peak-valley differences are even up to 40%.Electrical network has to carry out power cuts to limit consumption, serious restriction industrial and agricultural production and investment environment.Though government has used a large amount of financial resources to build power plant, but still can not meet annual electricity consumption and increase needs with 7 ~ 10%.Peak load stations need close a lot of generating set when electrical network low ebb, and the nearly 20GW installation in the whole nation only runs when peak of power consumption load, causes the wasting of resources largely.For balancing power network load, country releases electricity consumption peak valley price difference policy, and encourages to adopt the energy accumulating technique of dsm (DSM) to realize peak load shifting, and energy accumulating technique is the effective way alleviating power construction and newly-increased electricity consumption contradiction.
Summary of the invention
The object of the invention is the deficiency existed for above-mentioned prior art, provide a kind of fruit and vegetable refrigerating storehouse that can realize cool storage function, reduce the operating cost of freezer.
For achieving the above object, the concrete technical scheme of the present invention is as follows:
A kind of cold storage fruit and vegetable refrigerating storehouse, comprises freezer, cold accumulating pond, the first evaporimeter, liquid reservoir, compressor, condenser, choke valve, device for drying and filtering, liquid-sighting glass, the first electromagnet cut off valve, the second electromagnet cut off valve, the second evaporimeter, humidifier, circulating pump.
Described freezer is spliced by freezer heat insulation board special; Described cold accumulating pond is arranged at the below ground below freezer, is mixed and watertight composition builds up by brick, and establishes insulation material in cold accumulating pond bottom surface and surrounding bag;
By described compressor, condenser, choke valve, device for drying and filtering, liquid-sighting glass, the first electromagnet cut off valve, the first evaporimeter, liquid reservoir successively head and the tail connects to form the charge cycle loop of freezer; Described compressor, condenser, choke valve, device for drying and filtering, liquid-sighting glass, the first electromagnet cut off valve and liquid reservoir are placed in outside freezer;
By described compressor, condenser, choke valve, device for drying and filtering, liquid-sighting glass, the second electromagnet cut off valve, the second evaporimeter and liquid reservoir adopt pipeline to connect to form the refrigeration cycle of freezer successively from beginning to end; Described compressor, condenser, choke valve, device for drying and filtering, liquid-sighting glass, the second electromagnet cut off valve and liquid reservoir are placed in outside freezer; Described second evaporimeter is placed in freezer;
Described charge cycle loop and described refrigeration cycle share described compressor, condenser, choke valve, device for drying and filtering, liquid-sighting glass and liquid reservoir;
By described first evaporimeter, circulating pump and the second evaporimeter join end to end successively composition freezer release SAPMAC method loop;
Described SAPMAC method loop and the described charge cycle loop of releasing shares the first evaporimeter;
Described SAPMAC method loop and the described refrigeration cycle released shares the second evaporimeter.
Described humidifier is arranged on the air outlet position place of the second evaporimeter in freezer.
Described releasing in SAPMAC method loop charges refrigerating medium; Cold-producing medium is charged in described charge cycle loop and refrigeration cycle; Cool storage medium is filled in described cold accumulating pond.
Described first evaporimeter immerses in the cool storage medium be placed in cold accumulating pond.
Described condenser is supporting condenser fan, and described second evaporimeter is supporting evaporator fan.
Compared with prior art, the invention has the beneficial effects as follows:
1. cold storage fruit and vegetable refrigerating storehouse of the present invention can realize starting shooting and carry out cold-storage night, refrigeration unit is not opened during peak of power consumption on daytime, only ON cycle pump release cold-storage cold at night, saves operating cost by electricity price between peak and valley, achieves simultaneously and run " peak load shifting " of electrical network.
2. the present invention can reduce the capacity of refrigeration unit, reduces start/stop of compressor frequency, avoids power consumption and the mechanical wear of frequent starting; Simultaneously can balanced network load, reduce system power capacity, improve the operational efficiency of refrigeration system.
3. compared with traditional fruit and vegetable refrigerating storehouse, the temperature field of air in freezer, flow field evenly, contribute to improving the quality of storage fruits and vegetables in freezer.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention;
Fig. 2 is that the pipeline of the first evaporimeter and the second evaporimeter arranges figure;
Fig. 3 is that cold accumulating pond cold-storage of the present invention runs schematic diagram;
Fig. 4 is that cold accumulating pond of the present invention supplies separately cold operation schematic diagram;
Fig. 5 is that freezer refrigeration system of the present invention and cold accumulating pond air conditioning run schematic diagram;
In figure, 1 is freezer, and 2 is cold accumulating pond, and 3 is the first evaporimeter, and 4 is liquid reservoir, 5 is compressor, and 6 is condenser, and 7 is choke valve, and 8 is device for drying and filtering, and 9 is liquid-sighting glass, 10 is the first electromagnet cut off valve, and 11 is the second electromagnet cut off valve, and 12 is the second evaporimeter, and 13 is humidifier, and 14 is circulating pump.
Detailed description of the invention
Be described in further details the present invention below in conjunction with the drawings and specific embodiments, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Fig. 1 shows schematic diagram of the present invention, and a kind of cold storage fruit and vegetable refrigerating storehouse comprises: freezer 1, cold accumulating pond 2, first evaporimeter 3, liquid reservoir 4, compressor 5, condenser 6, choke valve 7, device for drying and filtering 8, liquid-sighting glass 9, first electromagnet cut off valve 10, second electromagnet cut off valve 11, second evaporimeter 12, humidifier 13, circulating pump 14.Described freezer 1 is spliced by the freezer polyurethane thermal insulation board that 10cm is thick; Described cold accumulating pond 2 is positioned at below ground on the downside of freezer, is mixed and watertight composition builds up by brick, and establishes polyurethane heat insulation material in cold accumulating pond bottom surface and surrounding bag; By described compressor 5, condenser 6, choke valve 7, device for drying and filtering 8, liquid-sighting glass 9, the first electromagnet cut off valve 10, first evaporimeter 3, liquid reservoir 4 adopts copper pipe to connect to form the charge cycle loop of freezer successively from beginning to end; Described first evaporimeter 3 is placed in cold accumulating pond 2; Described compressor 5, condenser 6, choke valve 7, device for drying and filtering 8, liquid-sighting glass 9, the first electromagnet cut off valve 10, liquid reservoir 4 is placed in outside freezer 1; By described compressor 5, condenser 6, choke valve 7, device for drying and filtering 8, liquid-sighting glass 9, the second electromagnet cut off valve 11, second evaporimeter 12, liquid reservoir 4 adopts copper pipe to connect to form the refrigeration cycle of freezer successively from beginning to end, and described second evaporimeter 12 is placed in freezer 1; Described charge cycle loop and described refrigeration cycle share described compressor 5, condenser 6, choke valve 7, device for drying and filtering 8, liquid-sighting glass 9 and liquid reservoir 4; By described first evaporimeter 3, circulating pump 14 and the second evaporimeter 12 adopt copper pipe join end to end successively composition freezer release SAPMAC method loop; Described SAPMAC method loop and the described charge cycle loop of releasing shares the first evaporimeter 3, described in release SAPMAC method loop second evaporimeter 12 shared with described refrigeration cycle.Described humidifier 13 adopts spinning disk humidifier, and is arranged on the air outlet position place of the second evaporimeter in freezer.
Described condenser 6 is furnished with condenser fan, and the second evaporimeter 12 is configured with evaporator fan; Condenser adopts fin-tube heat exchanger, and described first evaporimeter and the second evaporimeter all adopt fin-tube heat exchanger; As shown in Figure 2, the cold-producing medium of the heat exchanger of the first evaporimeter and the second evaporimeter and the circulation line of refrigerating medium adjacent and independent to arrange; First evaporimeter immerses the cool storage medium be placed in cold accumulating pond.
Described releasing in SAPMAC method loop charges ethylene glycol; R134a cold-producing medium is charged in described charge cycle loop and refrigeration cycle; Water is filled as cool storage material in described cold accumulating pond.
Operation principle of the present invention is as follows:
At night dip rate period, cold-storage operation is carried out in fruit and vegetable refrigerating storehouse, and as shown in Figure 3, during cold-storage, the second electromagnet cut off valve 11 is closed, first electromagnet cut off valve 10 is opened, and the cold-producing medium in charge cycle loop absorbs heat at the first evaporimeter 3 and makes cool storage medium cooling in cold accumulating pond 2.The period that electricity price is higher by day, fruit and vegetable refrigerating storehouse is lowered the temperature to freezer by the cold storage capacity at night, and as shown in Figure 4, now mechanical compression refrigeration system is closed, circulating pump 14 open belt dynamic load refrigerant cycle, the cold of cool storage medium in cold accumulating pond 2 is constantly delivered in freezer 1 by refrigerating medium.When cold-storage cold is not enough to the thermal load demands meeting freezer 1, start cold accumulating pond cooling and refrigeration system air conditioning, as shown in Figure 5, now the second electromagnet cut off valve 11 is opened, first electromagnet cut off valve 10 is closed, circulating pump is opened, and refrigeration system and cold accumulating pond provide cold to freezer 1 simultaneously.Fruit and vegetable refrigerating storehouse run duration, regulates and controls the relative humidity in freezer 1 needed for fruits and vegetables by humidifier 13.
Cold-storage is carried out in the night dip period in cold storage fruit and vegetable refrigerating storehouse of the present invention, the period that electricity price is higher by day, by the cold-storage at night for freezer provides cold, effectively can reduce the running time of the larger refrigeration system of power consumption in the electricity price higher period, significantly can reduce the energy consumption cost of fruit and vegetable refrigerating storehouse system, " peak load shifting " that achieve electric power demand side runs simultaneously, optimizes power system load characteristic.In addition, cold accumulation system can also reduce the installed capacity of fruit and vegetable refrigerating storehouse refrigeration system, reduces the stop frequency of refrigeration system, avoids energy consumption and the mechanical wear of frequent start-stop.
Although invention has been described by reference to the accompanying drawings above; but the present invention is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; when not departing from present inventive concept, can also make a lot of distortion, these all belong to protection scope of the present invention.
Claims (10)
1. a cold storage fruit and vegetable refrigerating storehouse, is characterized in that, comprise freezer, cold accumulating pond, the first evaporimeter, liquid reservoir, compressor, condenser, choke valve, device for drying and filtering, liquid-sighting glass, the first electromagnet cut off valve, the second electromagnet cut off valve, the second evaporimeter and circulating pump;
By described compressor, condenser, choke valve, device for drying and filtering, liquid-sighting glass, the first electromagnet cut off valve, the first evaporimeter and liquid reservoir connect to form charge cycle loop by pipeline successively head and the tail;
By described compressor, condenser, choke valve, device for drying and filtering, liquid-sighting glass, the second electromagnet cut off valve, the second evaporimeter and liquid reservoir connect to form refrigeration cycle by pipeline successively head and the tail;
By described first evaporimeter, circulating pump and the second evaporimeter composition that joins end to end successively releases SAPMAC method loop.
2. cold storage fruit and vegetable refrigerating storehouse according to claim 1, is characterized in that, described second evaporimeter and circulating pump are all positioned in freezer; Described compressor, condenser, choke valve, device for drying and filtering, liquid-sighting glass, the first electromagnet cut off valve, the second electromagnet cut off valve and liquid reservoir are all positioned over outside freezer.
3. cold storage fruit and vegetable refrigerating storehouse according to claim 2, is characterized in that, described freezer inside also comprises humidifier.
4. cold storage fruit and vegetable refrigerating storehouse according to claim 3, is characterized in that, described charge cycle loop and described refrigeration cycle share described compressor, condenser, choke valve, device for drying and filtering, liquid-sighting glass and liquid reservoir;
Described SAPMAC method loop and the described charge cycle loop of releasing shares the first evaporimeter;
Described SAPMAC method loop and the described refrigeration cycle released shares the second evaporimeter.
5. cold storage fruit and vegetable refrigerating storehouse according to claim 4, it is characterized in that, described cold accumulating pond is arranged at the below ground below freezer.
6. cold storage fruit and vegetable refrigerating storehouse according to claim 5, is characterized in that, described in release in SAPMAC method loop and charge refrigerating medium;
Cold-producing medium is charged in described charge cycle loop and refrigeration cycle;
Cool storage medium is filled in described cold accumulating pond.
7. cold storage fruit and vegetable refrigerating storehouse according to claim 6, is characterized in that, described first evaporimeter immerses in the cool storage medium be placed in cold accumulating pond.
8. the cold storage fruit and vegetable refrigerating storehouse according to any one of claim 3-7, it is characterized in that, described humidifier is spinning disk humidifier, and is arranged on the air outlet position place of described second evaporimeter.
9. cold storage fruit and vegetable refrigerating storehouse according to claim 8, it is characterized in that, described condenser is furnished with condenser fan, and described second evaporator arrangement has evaporator fan.
10. cold storage fruit and vegetable refrigerating storehouse according to claim 6, is characterized in that, described in release the refrigerating medium charged in SAPMAC method loop be ethylene glycol;
The cold-producing medium charged in described charge cycle loop and refrigeration cycle is R134a cold-producing medium;
The cool storage medium filled in described cold accumulating pond is water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510260005.2A CN104848631A (en) | 2015-05-20 | 2015-05-20 | Cool storage fruit and vegetable refrigerating chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510260005.2A CN104848631A (en) | 2015-05-20 | 2015-05-20 | Cool storage fruit and vegetable refrigerating chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104848631A true CN104848631A (en) | 2015-08-19 |
Family
ID=53848467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510260005.2A Pending CN104848631A (en) | 2015-05-20 | 2015-05-20 | Cool storage fruit and vegetable refrigerating chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104848631A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192202A (en) * | 2017-05-24 | 2017-09-22 | 广东省现代农业装备研究所 | A kind of pair of medium fruits and vegetables fast precooling device and control method |
| CN110243125A (en) * | 2019-06-18 | 2019-09-17 | 烟台睿加节能科技有限公司 | A kind of step storage of LNG cold energy and utilize device |
| CN112665203A (en) * | 2020-12-11 | 2021-04-16 | 珠海格力电器股份有限公司 | Refrigerating unit, refrigeration control method and air conditioner |
| CN113639508A (en) * | 2021-07-27 | 2021-11-12 | 上海海洋大学 | Small cold storage house adopting cold storage plate |
| CN114982817A (en) * | 2022-06-24 | 2022-09-02 | 四川省农业机械研究设计院 | Fruit and vegetable precooling method |
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| JP2014052121A (en) * | 2012-09-06 | 2014-03-20 | Sanden Corp | Cold storage type refrigeration device |
| CN203672020U (en) * | 2014-01-09 | 2014-06-25 | 昌吉舰辉果蔬科技开发有限公司 | Fruit and vegetable fresh-keeping refrigeration house |
| CN204630220U (en) * | 2015-05-20 | 2015-09-09 | 天津市傲绿农副产品集团股份有限公司 | A kind of cold storage fruit and vegetable refrigerating storehouse |
-
2015
- 2015-05-20 CN CN201510260005.2A patent/CN104848631A/en active Pending
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| GB2201813A (en) * | 1987-02-27 | 1988-09-07 | Toshiba Kk | Refrigerator defrost control |
| JPH0571847A (en) * | 1991-09-17 | 1993-03-23 | Matsushita Refrig Co Ltd | Refrigerator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192202A (en) * | 2017-05-24 | 2017-09-22 | 广东省现代农业装备研究所 | A kind of pair of medium fruits and vegetables fast precooling device and control method |
| CN110243125A (en) * | 2019-06-18 | 2019-09-17 | 烟台睿加节能科技有限公司 | A kind of step storage of LNG cold energy and utilize device |
| CN110243125B (en) * | 2019-06-18 | 2024-03-15 | 烟台睿加节能科技有限公司 | Cascade storage and utilization device of LNG cold energy |
| CN112665203A (en) * | 2020-12-11 | 2021-04-16 | 珠海格力电器股份有限公司 | Refrigerating unit, refrigeration control method and air conditioner |
| CN113639508A (en) * | 2021-07-27 | 2021-11-12 | 上海海洋大学 | Small cold storage house adopting cold storage plate |
| CN114982817A (en) * | 2022-06-24 | 2022-09-02 | 四川省农业机械研究设计院 | Fruit and vegetable precooling method |
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Application publication date: 20150819 |
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| RJ01 | Rejection of invention patent application after publication |