CN206949400U - A kind of air-conditioning fresh-keeping device - Google Patents
A kind of air-conditioning fresh-keeping device Download PDFInfo
- Publication number
- CN206949400U CN206949400U CN201720460026.3U CN201720460026U CN206949400U CN 206949400 U CN206949400 U CN 206949400U CN 201720460026 U CN201720460026 U CN 201720460026U CN 206949400 U CN206949400 U CN 206949400U
- Authority
- CN
- China
- Prior art keywords
- valve
- oxygen
- air
- fixed mount
- liquid nitrogen
- 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.)
- Expired - Fee Related
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 104
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 52
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000001301 oxygen Substances 0.000 claims abstract description 46
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 239000007789 gas Substances 0.000 claims abstract description 31
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 25
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 25
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 5
- 229910001882 dioxygen Inorganic materials 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004321 preservation Methods 0.000 abstract description 2
- 229960004424 carbon dioxide Drugs 0.000 description 20
- 238000004320 controlled atmosphere Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 235000012055 fruits and vegetables Nutrition 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 229910002090 carbon oxide Inorganic materials 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- UBAZGMLMVVQSCD-UHFFFAOYSA-N carbon dioxide;molecular oxygen Chemical compound O=O.O=C=O UBAZGMLMVVQSCD-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 235000021022 fresh fruits Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Landscapes
- Storage Of Fruits Or Vegetables (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The utility model discloses a kind of air-conditioning fresh-keeping device,For preservation device technical field,Including fixed mount,Liquid nitrogen container,Dioxide bottle and oxygen cylinder,Fixed mount is provided with gas cylinder rest area,Liquid nitrogen container,Dioxide bottle and oxygen cylinder are detachably arranged in gas cylinder rest area,Fixed mount is provided with atomizer and escape pipe,Liquid nitrogen container is provided with liquid valve and uses air valve,It is connected with liquid valve by low temperature liquid nitrogen pipe with atomizer,Low temperature liquid nitrogen pipe is provided with low temperature valve,It is connected with air valve by nitrogen appendix with escape pipe,Escape pipe is provided with nitrogen valve,Dioxide bottle is provided with the first pressure-reducing valve,First pressure-reducing valve is connected by carbon dioxide appendix with escape pipe,Carbon dioxide appendix is provided with carbon dioxide valve,Oxygen cylinder is provided with the second pressure-reducing valve,Second pressure-reducing valve is connected by oxygen appendix with escape pipe,Oxygen bleed line is provided with oxygen valve.The utility model can be more suitable for the use of common compact refrigerator car with independently installed operation.
Description
Technical field
The utility model is used for preservation device technical field, more particularly to a kind of air-conditioning fresh-keeping device.
Background technology
With the demand that the development and people of society improve to living standard, the fresh-keeping of agricultural product turns into modern logistics industry
A priority and difficulty.Present short distance refrigerated transportation vehicle only possesses mechanical refrigeration unit, and utilization is deepfreeze technology
Come fresh-keeping, and newest advanced fresh-keeping mode is the fresh-keeping mode of air conditioning technology, with low temperature and suppresses exhaling for agricultural product and fruits and vegetables
Suction is acted on to reach fresh-keeping effect.Concrete mode is that the content of oxygen in environmental gas is reduced while suitable low temperature is kept,
The appropriate proportion of composing for changing carbon dioxide and nitrogen, to reach the respiration of suppression fruits and vegetables so as to reach fresh-keeping effect.
Existing controlled atmosphere storage facilities mainly has air-conditioned cold store and the major class of controlled atmosphere container two, and air-conditioned cold store storage capacity is big,
But for fixed storage；Controlled atmosphere container storage capacity is larger, and consumed energy is more, is mainly used in long-distance fresh-keeping transport, Wu Faman
The transportation demand of sufficient short distance incity.
Utility model content
To solve the above problems, the utility model offer is a kind of to be more suitable for what common compact refrigerator car used, can be independent
The air-conditioning fresh-keeping device of installation and operation.
Technical scheme is used by the utility model solves its technical problem：A kind of air-conditioning fresh-keeping device, including fixation
Frame, liquid nitrogen container, dioxide bottle and oxygen cylinder, the fixed mount are provided with gas cylinder rest area, the liquid nitrogen container, carbon dioxide
Gas cylinder and oxygen cylinder are detachably arranged in gas cylinder rest area, and the fixed mount is provided with atomizer and escape pipe, described
Liquid nitrogen container is provided with liquid valve and is connected with air valve, the use liquid valve by low temperature liquid nitrogen pipe with atomizer, the Low Temperature Liquid
Nitrogen pipe is provided with low temperature valve, described to be connected with air valve by nitrogen appendix with escape pipe, and escape pipe is provided with nitrogen valve, described
Dioxide bottle is provided with the first pressure-reducing valve, and first pressure-reducing valve is connected by carbon dioxide appendix with escape pipe, and two
Carbonoxide appendix is provided with carbon dioxide valve, and the oxygen cylinder is provided with the second pressure-reducing valve, and second pressure-reducing valve passes through oxygen
Gas appendix is connected with escape pipe, and the oxygen appendix is provided with oxygen valve.
It is further used as the improvement of technical solutions of the utility model, wind is provided with the side of atomizer on the fixed mount
Machine, the mouth of pipe direction of the escape pipe is adjustable.
The improvement of technical solutions of the utility model is further used as, the fixed mount is provided with automatically controlled area, in addition to is located at
The power supply and electric cabinet in the automatically controlled area and temperature sensor, oxygen concentration sensor, the dioxy being connected with the electric cabinet
Change concentration of carbon sensor and ambient light sensor, the low temperature valve, nitrogen valve, carbon dioxide valve and oxygen valve be with it is described
The magnetic valve of electric cabinet connection.
Be further used as the improvement of technical solutions of the utility model, dividing plate be set in the fixed mount, and by it is described every
Plate shape forms gas cylinder rest area into two compartments, one of compartment, and another compartment forms automatically controlled area.
The improvement of technical solutions of the utility model is further used as, in addition to the humidity sensor that is connected with electric cabinet and is set
Humidification device in the automatically controlled area, the humidification device have filler and water drain ball valve, and having at the top of humidification device to incite somebody to action
Steam leads to the air channel of outside.
The improvement of technical solutions of the utility model is further used as, sensor box, the temperature are provided with the top of the fixed mount
Degree sensor, oxygen concentration sensor, gas concentration lwevel sensor, ambient light sensor and humidity sensor are each provided at institute
State in sensor box.
The improvement of technical solutions of the utility model is further used as, the liquid nitrogen container, dioxide bottle and oxygen cylinder are equal
It is fixed on by fixed braid over braid on fixed mount.
The beneficial effects of the utility model：The utility model is according to existing controlled atmosphere technology, source of the gas, pipe-line system
Etc. being integrated in a device, this air-conditioning fresh-keeping device can be placed on existing refrigerator car with independent operating, it is not necessary to right
Former car changes greatly, you can refrigerating carriage is become controlled atmosphere railway carriage or compartment, the controlled atmosphere function of short-distance transport fruits and vegetables in city is realized, improves people
Be able to eat the treatment of fresh fruit of vegetables.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the utility model internal structure schematic diagram；
Fig. 2 is the utility model side view.
Embodiment
Reference picture 1, Fig. 2, that show the concrete structure of the preferred embodiment of the utility model.It will be detailed below
The design feature of each part of the utility model, and during if being described to direction (upper and lower, left and right, before and after), it is with Fig. 1 institutes
The structure shown is that reference describes, but actual use direction of the present utility model is not limited thereto.
Referring to Fig. 1, the utility model provides a kind of air-conditioning fresh-keeping device, including fixed mount 1, liquid nitrogen container 2, carbon dioxide
Gas cylinder 3 and oxygen cylinder 4, framework of the fixed mount 1 as whole device, each part is integrated in one, and can independently be transported
OK, this air-conditioning fresh-keeping device is placed on existing refrigerator car, dividing plate 5 is set in the fixed mount 1, and passes through the dividing plate
Two compartments are formed, one of compartment forms gas cylinder rest area, and another compartment forms automatically controlled area.
The liquid nitrogen container 2, dioxide bottle 3 and oxygen cylinder 4 are detachably arranged in gas cylinder rest area, detachable knot
Structure can use the structures such as buckle, as the utility model preferred embodiment, the liquid nitrogen container 2, dioxide bottle 3 and oxygen
Gas cylinder 4 is fixed on fixed mount 1 by fixed braid over braid 6.The fixed mount 1 is provided with atomizer 7 and escape pipe 8, institute
Liquid nitrogen container 2 is stated to be provided with liquid valve 9 and with air valve 10, it is described to be connected with liquid valve 9 by low temperature liquid nitrogen pipe 11 with atomizer 7,
The low temperature liquid nitrogen pipe 11 is provided with low temperature valve 12, described to be connected with air valve 10 by nitrogen appendix 13 with escape pipe 8, outlet
Pipe 8 is provided with nitrogen valve 14, and the dioxide bottle 3 is provided with the first pressure-reducing valve 15, and first pressure-reducing valve 15 passes through two
Carbonoxide appendix 16 is connected with escape pipe 8, and carbon dioxide appendix 16 is provided with carbon dioxide valve 17, on the oxygen cylinder 4
Provided with the second pressure-reducing valve 18, second pressure-reducing valve 18 is connected by oxygen appendix 19 with escape pipe 8, the oxygen appendix
19 are provided with oxygen valve 20.After the running out of air of gas cylinder, gas station inflation of taking away can be very easily unloaded.Nitrogen, carbon dioxide, oxygen
The gas circuit of gas pools together, and shares an escape pipe 8, the mouth of pipe direction of the escape pipe 8 is adjustable, can also connect an airduct again
Guide to and blow into elsewhere in railway carriage or compartment.
Blower fan 21 is provided with the side of atomizer 7, can be set when temperature is higher in railway carriage or compartment on the fixed mount 1
Controller opens low temperature valve 12, is absorbed heat by the gasification of liquid nitrogen to reach design temperature to the rapid refrigeration in compartment.Blower fan 21 is installed
At the rear of atomizer 7, cold air is blown toward interior.
Also passed including the power supply 22 for being located at the automatically controlled area and electric cabinet 23 and the temperature being connected with the electric cabinet 23
Sensor, oxygen concentration sensor, gas concentration lwevel sensor and ambient light sensor, power supply 22 use battery, electric power storage
Pond is pressed on the bottom of fixed mount 1 by support.The electrical equipment such as installation PLC, relay, the low temperature valve, nitrogen in electric cabinet 23
Valve, carbon dioxide valve and oxygen valve are the magnetic valve being connected with the electric cabinet 23.Touch-screen 24 is arranged on electric cabinet 23
It is other.
Also include the humidity sensor that is connected with electric cabinet 23 and the humidification device 25 for being located at the automatically controlled area, the humidification
Device 25 has filler and water drain ball valve 26, and the top of humidification device 25 has the air channel 27 that steam can be led to outside.
The top of fixed mount 1 is provided with sensor box 28, the temperature sensor, oxygen concentration sensor, carbon dioxide
Concentration sensor, ambient light sensor and humidity sensor are each provided in the sensor box 28.
Realization principle：
The master switch of operating personnel's opening device, according to the fruits and vegetables classification transported, set most preferably on touch-screen 24
Oxygen, carbon dioxide concentration value, set optimum air humidity；Then the steam supply valve opened on each gas cylinder (is subtracted with air valve 10, first
The pressure-reducing valve 18 of pressure valve 15 and second).Install goods and shut back door, interior grows dark, and ambient light sensor sends signal
To electric cabinet, system automatically begins to work.
Parameter, is transferred to PLC by the oxygen concentration sensor detection oxygen gas component concentration in sensor box 18.Control system
The nitrogen valve output signals in nitrogen pipeline, nitrogen valve are opened, and nitrogen is charged into compartment.Increase with the amount of gas in railway carriage or compartment,
Air pressure increases, and separately the exhaust pressure relief device on compartment starts, and discharges unnecessary gas and keeps air pressure in railway carriage or compartment.Reach and set
After fixed oxygen concentration, control system closes nitrogen valve.Gas concentration lwevel sensor detection carbon dioxide in sensor box 18
Concentration, parameter is transferred to PLC, control system outputs signals to carbon dioxide valve, and carbon dioxide valve is opened, and carbon dioxide is charged into
In compartment, until reaching the gas concentration lwevel of setting.When detecting that oxygen concentration is less than minimum limit value, control system output letter
Oxygen valve number is arrived, oxygen valve is opened, and oxygen is charged into compartment.
The air humidity signal detected is transferred to PLC, control system output by the humidity sensor in sensor box 18
For signal to humidification device 25, humidification device 25 is opened increases humidity to air in railway carriage or compartment.After air humidity reaches setting value, control system
System stops humidification device operation.
When compartment initial temperature is higher, operating personnel, which can set, opens precooling pattern, sets cryogenic temperature,
That opens liquid nitrogen container uses liquid valve 9.In such a mode, when system starts, system sends signal and opened to be connected with liquid nitrogen container 2
Low temperature valve, while start blower fan, liquid nitrogen sprays from atomizer 7, and blower fan dispels drop and that cold air is blown to compartment is another
End, the replacement of oxygen in railway carriage or compartment while evaporating the nitrogen of gasification to chiller compartment.After temperature drops to design temperature, system is closed
Low temperature valve 12 and blower fan 21 are closed, detects oxygen concentration, nitrogen valve 14 is opened according to concentration value and continues to exclude oxygen, or opens oxygen valve
20 increase oxygen, or open the increase carbon dioxide of carbon dioxide valve 17.
During unloading, back door one is opened, and ambient light sensor senses light, and signal is transferred to controller, and system is stopped at once
Locking apparatus, all magnetic valves and humidification device 25 are closed, ensure the safety of carrying personnel.
It is 1. green without fuel oil.
Gas cylinder is directly used to take the nitrogen making machine of energy without using costliness as source of the gas, reduce volume and also save fuel oil simultaneously
Generator.
2. small volume, easy for installation
Be monolithically integrated in a fixed support, without external other pipelines electric wire, it is necessary to when move in compartment, it is not necessary to
Just move down.
3. liquid nitrogen fast-refrigerating
Mechanical refrigeration unit speed is slow, and the air-conditioning fresh-keeping device is due to that with liquid nitrogen container, can use liquid nitrogen refrigerating side
Formula is to the rapid refrigeration in compartment.
4. best fresh-keeping effect
Using currently advanced controlled atmosphere technology, the content of oxygen in gas in compartment is reduced, changes carbon dioxide and nitrogen
The proportion of composing of gas, suppress the respirations of fruits and vegetables so as to reach fresh-keeping effect.
Certainly, the invention is not limited to above-mentioned embodiment, and those skilled in the art are without prejudice to originally
Equivalent variations or replacement can be also made on the premise of utility model spirit, these equivalent modifications or replacement are all contained in the application
In claim limited range.
Claims (7)
- A kind of 1. air-conditioning fresh-keeping device, it is characterised in that：It is described including fixed mount, liquid nitrogen container, dioxide bottle and oxygen cylinder Fixed mount is provided with gas cylinder rest area, and the liquid nitrogen container, dioxide bottle and oxygen cylinder are detachably arranged in gas cylinder and put Put area, the fixed mount is provided with atomizer and escape pipe, and the liquid nitrogen container is provided with liquid valve and with air valve, described to use liquid Valve is connected by low temperature liquid nitrogen pipe with atomizer, and the low temperature liquid nitrogen pipe is provided with low temperature valve, described to pass through nitrogen with air valve Appendix is connected with escape pipe, and escape pipe is provided with nitrogen valve, and the dioxide bottle is provided with the first pressure-reducing valve, and described One pressure-reducing valve is connected by carbon dioxide appendix with escape pipe, and carbon dioxide appendix is provided with carbon dioxide valve, the oxygen Gas cylinder is provided with the second pressure-reducing valve, and second pressure-reducing valve is connected by oxygen appendix with escape pipe, the oxygen appendix It is provided with oxygen valve.
- 2. air-conditioning fresh-keeping device according to claim 1, it is characterised in that：In the side of atomizer on the fixed mount Provided with blower fan, the mouth of pipe direction of the escape pipe is adjustable.
- 3. air-conditioning fresh-keeping device according to claim 1 or 2, it is characterised in that：The fixed mount is provided with automatically controlled area, also Including be located at the automatically controlled area power supply and electric cabinet and be connected with the electric cabinet temperature sensor, oxygen concentration sensing Device, gas concentration lwevel sensor and ambient light sensor, the low temperature valve, nitrogen valve, carbon dioxide valve and oxygen valve are equal For the magnetic valve being connected with the electric cabinet.
- 4. air-conditioning fresh-keeping device according to claim 3, it is characterised in that：Dividing plate is set in the fixed mount, and passed through The dividing plate forms two compartments, and one of compartment forms gas cylinder rest area, and another compartment forms automatically controlled area.
- 5. air-conditioning fresh-keeping device according to claim 3, it is characterised in that：Also include the humidity sensor being connected with electric cabinet Device and the humidification device for being located at the automatically controlled area, the humidification device have filler and water drain ball valve, had at the top of humidification device Steam can be led in the air channel of outside by having.
- 6. air-conditioning fresh-keeping device according to claim 5, it is characterised in that：Sensor box is provided with the top of the fixed mount, The temperature sensor, oxygen concentration sensor, gas concentration lwevel sensor, ambient light sensor and humidity sensor are equal It is located in the sensor box.
- 7. air-conditioning fresh-keeping device according to claim 1, it is characterised in that：The liquid nitrogen container, dioxide bottle and oxygen Gas cylinder is fixed on fixed mount by fixed braid over braid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720460026.3U CN206949400U (en) | 2017-04-27 | 2017-04-27 | A kind of air-conditioning fresh-keeping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720460026.3U CN206949400U (en) | 2017-04-27 | 2017-04-27 | A kind of air-conditioning fresh-keeping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206949400U true CN206949400U (en) | 2018-02-02 |
Family
ID=61372400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720460026.3U Expired - Fee Related CN206949400U (en) | 2017-04-27 | 2017-04-27 | A kind of air-conditioning fresh-keeping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206949400U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108099748A (en) * | 2018-02-12 | 2018-06-01 | 深圳市德塔防爆电动汽车有限公司 | The cold control compartment of intelligence and refrigerating transport vehicle |
| CN108791029A (en) * | 2018-07-25 | 2018-11-13 | 天津商业大学 | A kind of dry ice air adjusting refrigerated vehicle |
| CN116918583A (en) * | 2023-06-19 | 2023-10-24 | 云南省农业科学院茶叶研究所 | Device and method for prolonging in-vitro survival time of tea tree germplasm resource cuttage branches |
-
2017
- 2017-04-27 CN CN201720460026.3U patent/CN206949400U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108099748A (en) * | 2018-02-12 | 2018-06-01 | 深圳市德塔防爆电动汽车有限公司 | The cold control compartment of intelligence and refrigerating transport vehicle |
| CN108099748B (en) * | 2018-02-12 | 2024-03-01 | 深圳市德塔防爆电动汽车有限公司 | Intelligent cold control compartment and refrigerated transport vehicle |
| CN108791029A (en) * | 2018-07-25 | 2018-11-13 | 天津商业大学 | A kind of dry ice air adjusting refrigerated vehicle |
| CN116918583A (en) * | 2023-06-19 | 2023-10-24 | 云南省农业科学院茶叶研究所 | Device and method for prolonging in-vitro survival time of tea tree germplasm resource cuttage branches |
| CN116918583B (en) * | 2023-06-19 | 2024-04-09 | 云南省农业科学院茶叶研究所 | Device and method for prolonging in-vitro survival time of tea tree germplasm resource cuttage branches |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206949400U (en) | A kind of air-conditioning fresh-keeping device | |
| CN109990525B (en) | Movable fruit and vegetable air-conditioned cold store | |
| CN2855946Y (en) | Vehicle vegetable/fruits storage box with full automatic air conditioner | |
| CN205373209U (en) | Fresh -keeping express delivery cabinet of intelligence control by temperature change | |
| CN201400121Y (en) | Controlled atmosphere preservation transport vehicle | |
| CN205525835U (en) | Marine atmosphere preservation case of wheel | |
| JPS62131170A (en) | Transportable refrigerating container | |
| CN103043308A (en) | Moderate oxygen control constant-temperature humidity conditioning storage container | |
| CN101670924A (en) | Movable energy-saving differential pressure precooling device | |
| CN110074177B (en) | Movable self-adaptive fruit and vegetable fresh-keeping air conditioning device | |
| CN205854978U (en) | Intelligence food delivery case | |
| CN106394384A (en) | Multi-temperature-zone cold storage vehicle system | |
| CN206812752U (en) | A kind of refrigerator car refrigeration system | |
| CN107062763A (en) | Refrigerator and the container for storing component for refrigerator | |
| CN103315051A (en) | Air-conditioned cold store | |
| CN105935018A (en) | Multi-functional agricultural product storing and fresh keeping storehouse | |
| CN106627327A (en) | Refrigerator car adopting pressure-difference precooling | |
| CN108497049A (en) | A kind of preserving fruit and vegetable utilizing all-in-one machine and method | |
| CN2190043Y (en) | Refrigerating lorry | |
| CN203327862U (en) | Air-conditioned cold store | |
| CN108826740A (en) | A kind of spray head, fountain liquid nitrogen refrigerating system and refrigerator car | |
| CN203473557U (en) | Modified atmosphere type fresh-keeping box | |
| CN205482049U (en) | Energy -conserving fresh -keeping freezer | |
| CN113748855A (en) | Grain storage system temperature control device, grain storage system and control method | |
| CN109319316A (en) | A kind of vacuum insulation decompression type fresh food frozen products insulated container |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180202 |