CN103300139A - Multi-unit modified atmosphere preservation device with uniformly distributed air and separated cooling - Google Patents
Multi-unit modified atmosphere preservation device with uniformly distributed air and separated cooling Download PDFInfo
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- CN103300139A CN103300139A CN2013102551856A CN201310255185A CN103300139A CN 103300139 A CN103300139 A CN 103300139A CN 2013102551856 A CN2013102551856 A CN 2013102551856A CN 201310255185 A CN201310255185 A CN 201310255185A CN 103300139 A CN103300139 A CN 103300139A
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Abstract
The invention discloses a multi-unit modified atmosphere preservation device with uniformly distributed air and separated cooling, comprising a membrane nitrogen making machine, a gas concentration monitoring and controlling device, and a plurality of box storage chambers which are independently arranged in a sealed way and have the same structure, wherein each box storage chamber is internally provided with a sensor, a humidifying device and an evaporator connected with a refrigerating compressor unit, and the sensor is connected with the gas concentration monitoring and controlling device; an air inlet of each box storage chamber is respectively provided with an air inlet electronic valve, and an air outlet of each box storage chamber is respectively provided with an air discharge solenoid valve; each box storage chamber is connected with an absorption type ethylene removing device. The device provided by the invention has the beneficial effects that each box storage chamber is provided with a cold air uniform distributing device to realize temperature balance, and an independent refrigerating system, and the scroll refrigerating compressor unit is adopted to realize independent cooling and regulation; a transparent vacuum glass sealing box door is arranged, so that products in the box can be conveniently observed; an ethylene absorption tank and a gas closed circulating structure are adopted to achieve the object that the ethylene released by fruits and vegetables is removed.
Description
Technical field
The present invention relates to storage fruit and vegetable controlled atmosphere device, particularly be the multiple-unit controlled atmosphere device with the uniform independent cooling of cold wind.
Background technology
Fruits and vegetables after adopting are the living organisms of living, and are accompanied by a series of ripe old and feeble variation the centered by respiratory metabolism, and quality constantly descends, final rotten ruining.The common mode of modern storage fruit and vegetable comprises: freezer storage, air conditioned storage, subatmospheric pressure storage and other modern storage methods: as high voltage electric field processing, ozone or chlorine dioxide treatment, static or radiation treatment etc.
Fruits and vegetables are of a great variety, and the needed temperature of variety classes storage fruit and vegetable, gas componant are not quite similar, and need provide essential parameter for carrying out storage fruit and vegetable, need special experimental rig to carry out lab scale and pilot scale.For making result of the test reliable and practical, the experimenter presses for a kind of storage space and possesses temperature equalization, can independently lower the temperature and regulate and control, the observation product is convenient, can effectively reduce ethylene concentration, keep accurate oxygen and carbon dioxide concentration, possess the humidity regulation function, and can carry out the device of the test of a plurality of kinds or kind.
Summary of the invention
The objective of the invention is to satisfy experimenter and the market demand, a kind of temperature equalization that has is provided, can independently lower the temperature and regulate and control, noise is low; The observation product is convenient; Can effectively reduce ethylene concentration; Keep accurate oxygen and carbon dioxide concentration; Possesses the humidity regulation function; And can carry out the test of a plurality of kinds or kind and the multiple-unit controlled atmosphere device with the uniform independent cooling of cold wind of the market demand.
The technical scheme that solves the problems of the technologies described above is: a kind of multiple-unit controlled atmosphere device with the uniform independent cooling of cold wind, and described multiple-unit controlled atmosphere device comprises: a plurality of casing storerooms that film nitrogen making machine, gas concentration Monitoring and Controlling instrument, the identical independent closed of structure arrange; Be provided with sensor, damping device and the evaporimeter that links to each other with refrigeration compressor set of collecting temperature, humidity, oxygen and carbon dioxide in each casing storeroom; Described sensor connects gas concentration Monitoring and Controlling instrument; The air inlet of each casing storeroom is installed the air inlet electronic valve that is connected with the film nitrogen making machine respectively, and its gas outlet is installed respectively with the film nitrogen making machine and is connected exhaust solenoid valve; Each casing storeroom all connects absorption except ethylene unit.
Beneficial effect of the present invention is: the present invention satisfies experimenter and the market demand, and each casing storeroom has the cold wind even distribution device and realizes temperature equalization; Each casing storeroom has the self-contained refrigerating system that is complementary with casing storeroom volume, adopts the swirl type cold compressor group to realize independent cooling and regulation and control; Adopt the sealed transparent chamber door of 3 layers of vacuum glass formation, make things convenient for the mass change of product in the inspection box; Have ethene tourie and gas closed cycle structure that the solid vinyl of filling removes agent, reach and remove the purpose that fruits and vegetables discharge ethene; The present invention is connected with a plurality of unit controlled atmosphere casing storeroom by a mantle nitrogen making machine, the data-signal of the temperature of gathering according to each casing storeroom inner sensor, relative humidity, oxygen and carbon dioxide concentration, and and the PLC of gas concentration Monitoring and Controlling instrument in numerical value is set compares the back and send instruction, make and realize the gas parameter of setting separately in each casing storeroom, can carry out the test of a plurality of kinds or kind; The ultrasonic wave damping device has been installed, has been guaranteed the requirement of relative humidity in the duration of test case.
Description of drawings
Fig. 1 is that structure of the present invention connects block diagram;
Fig. 2 is single casing storeroom partial sectional view among Fig. 1.
Fig. 3 is casing storeroom top partial enlarged drawing among Fig. 1.
" sequence number explanation in the accompanying drawing "
1: the film nitrogen making machine; 2: the nitrogen efferent duct; 3: the air inlet electronic valve; 4: exhaust solenoid valve; 5: gas concentration Monitoring and Controlling instrument; 6: the casing storeroom; 7: swirl type cold compressor; 8: the ethylene removal jar; 9: ultrasonic humidifier; 10: upper water supply tank; 11: cold wind water conservancy diversion orifice plate; 11a: cold wind pod apertures; 12: mini-fan; 13: sensor; 14: the visible observation door; 15: miniature circulating pump; 16: evaporimeter.
The specific embodiment
Below in conjunction with accompanying drawing content of the present invention is described in detail.
Fig. 1 is that structure of the present invention connects block diagram; Fig. 2 is single casing storeroom partial sectional view among Fig. 1.
As shown in the figure, the invention provides a kind of multiple-unit controlled atmosphere device with the uniform independent cooling of cold wind, described multiple-unit controlled atmosphere device comprises: a plurality of casing storerooms 6 that film nitrogen making machine 1, gas concentration Monitoring and Controlling instrument 5, the identical independent closed of structure arrange; Be provided with sensor 13, damping device and the evaporimeter 16 that links to each other with refrigeration compressor set 7 of collecting temperature, humidity, oxygen and carbon dioxide in each casing storeroom 6; Described sensor 13 connects gas concentration Monitoring and Controlling instrument 5; The air inlet of each casing storeroom 6 is installed the air inlet electronic valve 3 that is connected with film nitrogen making machine 1 respectively, and the gas outlet of each casing storeroom 6 is installed respectively with film nitrogen making machine 1 and is connected exhaust solenoid valve 4; Each casing storeroom 6 all connects absorption except ethylene unit.
In the described gas concentration Monitoring and Controlling instrument 5 the PLC cyclelog is housed and respectively the gas concentration that each casing storeroom 6 sets is carried out Monitoring and Controlling, when needs reduced adjustment oxygen and carbon dioxide concentration, gas concentration Monitoring and Controlling instrument 5 control air inlet electronic valves 3 and exhaust solenoid valve 4 were opened synchronously and are made film nitrogen making machine 1 charge into nitrogen to casing storeroom 6.
Being respectively arranged with in described each casing storeroom 6 is kept in continuous operation promotes the cold wind even distribution device that the balanced gentle breeze of the temperature inside the box circulates, and its structure comprises: the chamber door of casing storeroom 6 is provided with three layers of vacuum clear glass hermatic door; Described refrigeration compressor set 7 is that swirl type cold compressor is arranged on casing storeroom 6 exterior bottom; Casing storeroom 6 internal upper parts are provided with evaporimeter 16, between evaporimeter 16 and casing storeroom 6 after panel box cold wind water conservancy diversion orifice plate 11 are arranged, and cold wind water conservancy diversion orifice plate 11 is provided with a plurality of cold wind pod apertures 11a; Both sides are installed mini-fan 12 respectively in the casing storeroom 6; The cold wind that evaporimeter 16 produces laterally blows to cold wind water conservancy diversion orifice plate 11, evenly flows to casing storeroom 6 inside by a plurality of cold wind pod apertures 11a.
The described absorption ethylene unit that removes comprises: ethylene removal jar 8, the miniature circulating pump 15 that solid vinyl removes agent is equipped with in inside; The air inlet of described ethylene removal jar 8 connects the gas outlet of miniature circulating pump 15, ethylene removal jar 8 gas outlet connect box storerooms 6; Described miniature circulating pump 15 air inlet connect box storerooms 6.
Described damping device comprises: humidifier 9 and the upper water supply tank 10 that is connected with humidifier 9; Described humidifier 9 is that ultrasonic humidifier is arranged on each casing storeroom 6 inside; Described upper water supply tank 10 is arranged on each casing storeroom 6 outside top.
In particular: the present invention is connected with the controlled atmosphere device of a plurality of casing storerooms 6 by a mantle nitrogen making machine 1, in the data-signal of the oxygen and carbon dioxide concentration of gathering according to the sensors 13 in every each casing storeroom 6 and the PLC cyclelog in the gas concentration Monitoring and Controlling instrument 5 numerical value being set compares the back and sends instruction, make and realize the gas parameter of setting separately in each casing storeroom 6, both can carry out the test of a plurality of fruits and vegetables kinds or kind, and can reach good control accuracy again.
When the oxygen and carbon dioxide concentration in the needs adjustment casing storeroom 6, gas concentration Monitoring and Controlling instrument 5 control air inlet electronic valves 3 and exhaust solenoid valve 4 are opened synchronously and are made film nitrogen making machine 1 charge into nitrogen in casing storeroom 6.
The present invention is provided with the cold wind even distribution device of the gentle breeze circulation of being made up of evaporimeter 16, cold wind water conservancy diversion orifice plate 11 and mini-fan 12 and realizes temperature equalization in casing storeroom 6; In casing storeroom 6, be provided with by swirl type cold compressor group 7, evaporimeter 16 self-contained refrigerating systems that are complementary with casing storeroom 6 volumes that form, adopt, realize independent cooling and regulation and control; In addition, adopt the sealed transparent chamber door of 3 layers of vacuum glass formation, make things convenient for the mass change of product in the inspection box.
Described ethylene removal jar 8 inside are that solid vinyl removes agent.Ethylene removal jar 8, casing storeroom 6 and miniature circulating pump 15 form gas closed cycle structure, can reach and remove the purpose that fruits and vegetables discharge ethene.
Ultrasonic humidifier 9 has been installed in casing storeroom 6, and humidifier 9 links to each other with upper water supply tank 10, guarantees not open under the situation of chamber door at duration of test effective adjusting of relative humidity in the case.
Claims (5)
1. multiple-unit controlled atmosphere device with the uniform independent cooling of cold wind, it is characterized in that described multiple-unit controlled atmosphere device comprises: a plurality of casing storerooms (6) that film nitrogen making machine (1), gas concentration Monitoring and Controlling instrument (5), the identical independent closed of structure arrange; Be provided with sensor (13), damping device and the evaporimeter (16) that links to each other with refrigeration compressor set (7) of collecting temperature, humidity, oxygen and carbon dioxide in each casing storeroom (6); Described sensor (13) connects gas concentration Monitoring and Controlling instrument (5); The air inlet of each casing storeroom (6) is installed the air inlet electronic valve (3) that is connected with film nitrogen making machine (1) respectively, and its gas outlet is installed respectively with film nitrogen making machine (1) and is connected exhaust solenoid valve (4); Each casing storeroom (6) all connects absorption except ethylene unit.
2. according to a kind of multiple-unit controlled atmosphere device with the uniform independent cooling of cold wind in the claim 1, it is characterized in that, the PLC cyclelog is housed in the described gas concentration Monitoring and Controlling instrument (5) respectively the gas concentration that each casing storeroom (6) sets is carried out Monitoring and Controlling, when needs reduced adjustment oxygen and carbon dioxide concentration, gas concentration Monitoring and Controlling instrument (5) control air inlet electronic valve (3) and exhaust solenoid valve (4) were opened synchronously and are made film nitrogen making machine (1) charge into nitrogen to casing storeroom (6).
3. according to a kind of multiple-unit controlled atmosphere device with the uniform independent cooling of cold wind in the claim 1, it is characterized in that, being respectively arranged with in described each casing storeroom (6) is kept in continuous operation promotes the cold wind even distribution device that the balanced gentle breeze of the temperature inside the box circulates, and its structure comprises: the chamber door of casing storeroom (6) is provided with three layers of vacuum clear glass hermatic door; Described refrigeration compressor set (7) is that swirl type cold compressor is arranged on casing storeroom (6) exterior bottom; Casing storeroom (6) internal upper part is provided with evaporimeter (16), between evaporimeter (16) and casing storeroom (6) after panel box cold wind water conservancy diversion orifice plate (11) is arranged, and cold wind water conservancy diversion orifice plate (11) is provided with a plurality of cold wind pod apertures (11a); The interior both sides of casing storeroom (6) are installed mini-fan (12) respectively; The cold wind that evaporimeter (16) produces laterally blows to cold wind water conservancy diversion orifice plate (11), evenly flows to casing storeroom (6) inside by a plurality of cold wind pod apertures.
4. according to a kind of multiple-unit controlled atmosphere device with the uniform independent cooling of cold wind in the claim 1, it is characterized in that the described absorption ethylene unit that removes comprises: ethylene removal jar (8), the miniature circulating pump (15) that solid vinyl removes agent is equipped with in inside; The air inlet of described ethylene removal jar (8) connects the gas outlet of miniature circulating pump (15), ethylene removal jar (8) gas outlet connect box storeroom (6); Described miniature circulating pump (15) air inlet connect box storeroom (6).
5. according to a kind of multiple-unit controlled atmosphere device with the uniform independent cooling of cold wind in the claim 1, it is characterized in that described damping device comprises: humidifier (9) and the upper water supply tank (10) that is connected with humidifier (9); Described humidifier (9) is that ultrasonic humidifier is arranged on each casing storeroom (6) inside; Described upper water supply tank (10) is arranged on each casing storeroom (6) outside top.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310255185.6A CN103300139B (en) | 2013-06-25 | 2013-06-25 | Multi-unit modified atmosphere preservation device with uniformly distributed air and separated cooling |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310255185.6A CN103300139B (en) | 2013-06-25 | 2013-06-25 | Multi-unit modified atmosphere preservation device with uniformly distributed air and separated cooling |
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| CN103300139A true CN103300139A (en) | 2013-09-18 |
| CN103300139B CN103300139B (en) | 2014-10-22 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103548990A (en) * | 2013-10-25 | 2014-02-05 | 天津市森罗科技发展有限责任公司 | Multi-variety and small-batch fruit and vegetable modified atmosphere packaging device and multi-variety and small-batch fruit and vegetable modified atmosphere packaging technology |
| CN103704322A (en) * | 2013-12-05 | 2014-04-09 | 天津市傲绿农副产品集团股份有限公司 | Minisize differential-pressure-type rapid precooling and gas fumigation device |
| CN103853219A (en) * | 2014-02-21 | 2014-06-11 | 无锡德林船舶设备有限公司 | Preservation integrated control device for ships |
| CN103843870A (en) * | 2014-02-21 | 2014-06-11 | 无锡德林船舶设备有限公司 | Integrated fresh-keeping system for ship |
| CN108775767A (en) * | 2018-07-24 | 2018-11-09 | 中铁第四勘察设计院集团有限公司 | A kind of freezer gas monitor and cleaning systems and method |
| CN114097979A (en) * | 2021-12-09 | 2022-03-01 | 中国船舶重工集团公司第七0四研究所 | A modified atmosphere fresh-keeping system and method using oxygen-making membrane |
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| CN103548990A (en) * | 2013-10-25 | 2014-02-05 | 天津市森罗科技发展有限责任公司 | Multi-variety and small-batch fruit and vegetable modified atmosphere packaging device and multi-variety and small-batch fruit and vegetable modified atmosphere packaging technology |
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| CN114097979A (en) * | 2021-12-09 | 2022-03-01 | 中国船舶重工集团公司第七0四研究所 | A modified atmosphere fresh-keeping system and method using oxygen-making membrane |
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| CN103300139B (en) | 2014-10-22 |
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