CN103287739A - Modified atmosphere storage method - Google Patents
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- CN103287739A CN103287739A CN2013102377883A CN201310237788A CN103287739A CN 103287739 A CN103287739 A CN 103287739A CN 2013102377883 A CN2013102377883 A CN 2013102377883A CN 201310237788 A CN201310237788 A CN 201310237788A CN 103287739 A CN103287739 A CN 103287739A
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Abstract
The invention discloses a modified atmosphere storage method which includes the steps: (a) a to-be-stored article or the to-be-stored article and a modified atmosphere agent are placed in a modified atmosphere box which comprises a box cover and a box body, wherein the box cover or the box body is provided with a detection valve, and a sealing structure is arranged between the box cover and the box body; (b) the box cover of the modified atmosphere box covers the modified atmosphere box, and the detection valve is turned off; (c) according to requirements, the detection valve of the modified atmosphere box is connected with a detection instrument so that oxygen concentration, carbon dioxide concentration, temperature, humidity and ethylene concentration in the box body can be detected. A traditional modified atmosphere store system is minimized, the modified atmosphere box is used for storage, application of a modified atmosphere technique can be simple, application ranges are wide, and the modified atmosphere box can be used for storage and maintenance of Chinese herbal medicines, tobaccos, fresh fruit and vegetables, dried fruit, tea, dried vegetables and the like, facilitates transportation, and reduces comprehensive maintenance cost of the modified atmosphere store after the controller atmosphere technique is applied.
Description
Technical field
The present invention relates to the storing technology field, more specifically, relate to a kind of controlled atmosphere storage procedures.
Background technology
Traditional Chinese medicine is the quintessence of Chinese culture of the Chinese nation, but never breaks away from the production and marketing pattern of far products for a long time, and its processing, to store circulation style relatively backward, causes its quality safety to have very big hidden danger.Lack quality control surveillance and circulation and review system, cause and pass a fake product off as a genuine one, adulterate, fake and forged commodity floods market.Even the system of reviewing has been arranged, but because of the restriction of traditional storing technology, also can't realize.Usually in the plastic sheeting that stores Chinese medicine, add the phosphatization aluminium flake and carry out fumigant insect killing, inevitably can make aluminum phosphate residual on medicinal material, the generation of the thing that causes poisoning.For mildew-resistant, adopt the sulfur fumigation medicinal material usually, almost the Chinese herbal medicine more than 60% is fumigated with sulphur in the market, so not only can reduce drug effect, and harmful.
It is the storage mode that is considered to the most green environmental protection in the world today that air-conditioning storage is stored maintenance technology, and its storage time is long, storage loss is low, good refreshing effect, shelf life is long, production efficiency is high, safety, environmental protection, also has following defective:
1, the air-conditioned cold store equipment investment is big, and system is numerous and diverse, is only applicable to large enterprise and uses.
2, drop into height, construction cost is high;
3, to the different objects of depositing, formulate different technical schemes, its gas regulation composition and temperature are not quite similar, and therefore must develop the application program of oneself separately for each air-conditioned cold store;
4, operation energy consumption is big, maintenance cost is high;
5, controlled atmosphere Kuku body is excessive, causes inconvenience for the user of preservation product, for example, must be put in order the storehouse by the product of preservation and advance, and whole storehouse goes out, and small lot is used and is very restricted by the user of preservation product.
How with numerous and diverse air-conditioned cold store system practicability, a kind of air-conditioning storage method simple to operation is provided, become problem demanding prompt solution.
Summary of the invention
The present invention is intended to solve the problems of the technologies described above.For this reason, one object of the present invention is to provide a kind of controlled atmosphere storage procedures, can realize storing maintenance insect protected, mildew-resistant, maintenance or improve medical material quanlity, have safety, environmental protection, low-carbon (LC), with the simplification of controlled atmosphere system, the practicability of complexity, the storage that goes for article such as Chinese herbal medicine, tobacco, fresh fruit of vegetables, dry fruit, tealeaves, dry vegetalbe is preserved.
According to controlled atmosphere storage procedures of the present invention, it comprises the steps:
A, will treat storing products, and treat that perhaps storing products and air conditioning agent put into air regulating box, wherein, described air regulating box comprises case lid and casing, on the described case lid or on the casing detection valve is installed, and between described case lid and the casing hermetically-sealed construction is set;
B, cover the air regulating box case lid, close the detection valve, check the sealing situation of air regulating box;
C, according to demand after storing products stores certain hour, connects the detection valve of described air regulating box, to detect oxygen concentration, gas concentration lwevel, temperature, humidity or the ethylene concentration in the casing with detecting instrument.
Preferably, on the described air regulating box case lid or on the casing pressure regulating valve is installed.
Preferably, the casing of described air regulating box is double-deck hollow structure, and some reinforced ribs are set in the hollow structure, lay adsorptive pads at described bottom half, described cabinet wall arranges some supporting constructions, and grid is placed in the supporting construction top, and the described storing products for the treatment of is placed on the grid.Hollow structure can make air regulating box have heat insulation function, adds some reinforced ribs in the hollow structure of casing, can make when keeping casing to use to possess enough rigidity, prevents the generation of being out of shape.Owing to treat the difference in the storing products place of production, when in transportation, transferring to the north by south or transferring to south by the north, can exist the temperature difference big, or because there's a sudden fall in temperature, make controlled atmosphere the temperature inside the box and external temperature produce the temperature difference, cause and produce dewfall in the air regulating box, slight dewfall can not exert an influence to the article quality, but when tank wall produces runoff, can influence article quality, especially Chinese medicine, can influence drug effect, therefore in order to prevent that moisture content from soaking storing products, at bottom half shop adsorptive pads, to absorb the moisture content in the casing.Adsorptive pads can adopt polyolefin compound nonwoven cloth filling absorbent paper, Time of Fluff Slurry, hydroscopic high-molecular resin compacting to form, polyolefin complex polyester nonwoven cloth material can be sent to absorbing medium with water rapidly, and prevent from returning and ooze function, the absorbent material that adsorptive pads also can adopt other markets to buy.
Preferably, in the described air regulating box, between described adsorptive pads and the described grid insulated chamber is set, described air conditioning agent is placed in the insulated chamber.
Preferably, some partitions are set in the described insulated chamber, insulated chamber is separated into some independently spaces, different air conditioning agents can be put into different separate space.
Preferably, described pressure regulating valve is arranged on the wall box between described insulated chamber bottom and the described adsorptive pads.
Preferably, according to storing needs, the detection valve of described air regulating box is connected source of the gas, opens described pressure regulating valve, charge into desired gas to the casing content, reach the gas concentration that needs after, close and detect valve and pressure regulating valve.Detect valve can connect source nitrogen (nitrogen making machine, nitrogen gas cylinder), carbon dioxide air source (steel cylinder or carbon dioxide plant processed) or, hybrid gas source such as nitrogen, carbon dioxide, oxygen charge into gas in air regulating box.
Preferably, the wall box at described air regulating box arranges the sealing indicator.Observation sealing indicator after air regulating box seals 24 hours, if redness is normal, if blueness, the sealing situation of inspection air regulating box, the sealing indicator can be bought by market and obtain.
Preferably, described air regulating box arranges the lucifuge film.When treating that storing products needs lucifuge to store, place the lucifuge film at air regulating box.The selectivity ventilated membrane that the lucifuge film can select for use polyolefin composite black polyester non-woven fabric to make can be buied in market.
Preferably, the material of described air regulating box is polypropylene.The air regulating box material can also adopt other engineering plastics, cardboard, plank etc.
Air conditioning agent of the present invention can be for storage atmosphere adjusting control agent, deoxidizer, carbon-dioxide absorbent (or propellant), except ethylene agent, conditioning agent, agent for storage of coldness etc., all can buy by market to obtain.It is disclosed storage atmosphere adjusting control agent in 200910136267.2 the patent that storage atmosphere adjusting control agent can adopt the patent No., as the prepared storage atmosphere of embodiment 7-13 adjusting control agent.Dehumidizier has many kinds, the conditioning agent that preferred zeolite, diatom earth, calcium chloride, starch and perlite rock are formed, its moisture sorption effect is good, and when environmental drying, emit moisture content, envionmental humidity is remained between the 55%-65%, can adopt application number is the conditioning agent that 201110150307.6 preparation method makes, the conditioning agent that makes as claim 1 or embodiment 1-3 according to this patent application.Storage procedures of the present invention is stored fresh fruit of vegetables as if being used for transporting, and then need remove ethene, suppress the fruits and vegetables breathing, extends the shelf life, and can adopt the mineral chameleon complexing agent as removing ethylene agent.The preferred iron deoxidizer of deoxidizer, ascorbic acid deoxidizer etc.CO
2Absorbent can adopt 74 weight portion CaO, 4 weight portion NaOH, 22 weight portion H
2The CO that the O mixing and stirring makes
2Absorbent.For the storage product that the low temperature requirement is arranged, keep relative low-temperature condition in order to make in the transportation storage process in the air regulating box, selection dry ice is agent for storage of coldness, because dry ice changes into CO
2, the quality that is conducive to the storage product keeps, certainly except the fresh fruit of vegetables.
The present invention also provides a kind of controlled atmosphere storage procedures of tobacco leaf, and wherein, this method comprises the steps:
The a natural alcoholization stage: the tobacco leaf of beating and double roasting is packed in the air regulating box, wherein air regulating box comprises case lid and casing, be equipped with on the described case lid or on the casing and detect valve and pressure regulating valve, between described case lid and the casing hermetically-sealed construction is set, detection valve and the pressure regulating valve of air regulating box are opened, made tobacco natural alcoholization;
The b disinsection mold-proof stage: after natural alcoholization is finished, in described air regulating box, put into air conditioning agent, cover case lid, close pressure regulating valve and detect valve, the carrier of oxygen volume concentrations is down to below 2%, the carbon dioxide volume concentration is down to below 0.5%, and relative humidity remains on 55%-65% in the case, realizes the disinsection mold-proof of tobacco leaf;
C, return the oxygen upgrading stage: after the disinsection mold-proof stage finishes, open and detect valve and pressure regulating valve, oxygen concentration in the case is pulled back to 8%-18%, the carbon dioxide volume concentration is controlled below 0.3%, relative humidity 60%-65% makes tobacco mellowing reach best in quality;
D, sealing are guaranteed the quality the stage: time oxygen upgrading stage is opened air regulating box after finishing, and puts into air conditioning agent, close and detect valve and pressure regulating valve, with the carrier of oxygen volume concentrations drop to below 2%, the carbon dioxide volume concentration drops to below 3%, relative humidity remains on 55%-65%, uses until unpacking.
Controlled atmosphere storage procedures of the present invention has the following advantages:
1, with traditional air-conditioned cold store system minimizes, adopt air regulating box to store, make that the application of air conditioning technology is simple more, flexible, have wide range of applications, the storage that goes for article such as Chinese herbal medicine, tobacco, fresh fruit of vegetables, dry fruit, tealeaves, dry vegetalbe is preserved, and convenient transportation;
2, reduce air conditioning technology and used the back to the comprehensive maintenance cost of air-conditioned cold store;
3, operation is convenient in storage work more, and the air regulating box that adopts in the storage procedures of the present invention can reuse, be convenient to reclaim and transportation.
4, storage procedures of the present invention can the actv. insect protected, mildew-resistant, compare with the controlled atmosphere storage procedures of adopting complex film and can keep the storing products quality better.
Description of drawings
Fig. 1 is the structural representation of the air regulating box that adopts in the storage procedures of the present invention;
Fig. 2 be among Fig. 1 along A-A to generalized section;
Description of reference numerals:
Case lid 1; Casing 2; Handle 3; Pressure regulating valve 4; Observation window 5; Detect valve 6; Latching device 7; Seal ring 8,9; Gap 10,11; Reinforced rib 12; Article 13; Grid 14; Supporting construction 15; Adsorptive pads 16; Insulated chamber 17; Cut off 18.
The specific embodiment
Describe controlled atmosphere storage procedures of the present invention in detail below with reference to drawings and Examples.
Embodiment 1 air regulating box
As shown in Figure 1, 2, air regulating box comprises case lid 1 and casing 2, and wherein casing 2 has certain tapering, stacks placement after making things convenient for casing 2 to remove case lid 1, the unlikely more space of occupying during convenient the transportation.Be equipped with on the case lid 1 and detect valve 6, detect valve 6 and can be set to recessed case lid 1, and can offer an observation window 5 at case lid 1.Case lid 1 is by latching device 7 tight being fastened on the casing 2.Make things convenient for the handle of holding 3 when being equipped with for transportation on the casing 2, and at casing 2 pressure regulating valve 4 is set, pressure regulating valve 4 recessed casings 2 are so that casing can stack placement, to save the space.
For the function that realizes being incubated, case lid 1 adopts double-decker, and there is gap 10 in two interlayers, groove is offered in inside, lower edge at case lid 1, and seal ring 9 wherein is set, when case lid 1 and casing 2 cover, seal ring 9 closely contacts with the outer wall of casing 2, realizes sealing function.In order to realize heat insulation function, casing 2 also adopts double-decker, and there is gap 11 in two interlayers, also offer an annular groove along the place thereon, seal ring 8 is set in the groove, when case lid 1 and casing 2 cover, seal ring 8 closely contacts with the inwall of case lid 1, realizes the secondary seal function.In the hollow structure of casing 2, add some reinforced ribs 12, possess enough rigidity when keeping casing 2 to use, prevent the generation of being out of shape.
Cabinet wall arranges some supporting constructions 15.During use, adsorptive pads 16 is laid in the bottom of casing 2, and grid 14 is installed above supporting construction 15, will treat that the article 13 that controlled atmosphere is stored are placed on grid 14 tops.Supporting construction 15 can be arranged on bottom half, also can be arranged on wall box, as long as can place grid 14 above supporting construction 15.Between adsorptive pads 16 and grid 14, insulated chamber 17 is set, be used for placing air conditioning agent, equally can be in the bottom of casing 2 or sidewall supporting construction is set with insulated chamber 17 sides of being placed on it, insulated chamber 17 also can adopt division board herein, as long as can place air conditioning agent.In the insulated chamber 17 some partitions 18 can be set, so that different types of air conditioning agent is placed in the different intervals, especially when refrigerants such as needs placement dry ice, can avoid the influence to other air conditioning agents.
When adopting the air regulating box storing products, the pressure condition of periodic inspection air regulating box according to circumstances uses pressure regulating valve 4 to regulate, and when air regulating box only arranges detection valve 6, also can adopt detection valve 6 to carry out pressure regulation.Press required time, with oxygen analyser, CO
2Detector, humiture detector, ethene detector detect oxygen concentration, CO by detecting valve 6
2Concentration, temperature, humidity, ethylene concentration also carry out various abnormal condition and handle.The staff also can pass through the variation of the situations such as color and luster of observation window 5 periodic inspection preservation article.
Detect valve 6 and not only can be used for detecting various atmosphere in the casing 2, and according to the needs of stores, can connect various sources of the gas such as nitrogen making machine (or nitrogen storage gas cylinder) fills nitrogen or meets CO with this valve
2Generator (or CO
2Gaholder) fills CO
2Or charge into N
2, CO
2, O
2Miscellaneous gas.To detect valve 6 during use and connect source of the gas, open pressure regulating valve 4, this moment, pressure regulating valve 4 preferably was arranged on the wall box between insulated chamber 17 bottoms and the adsorptive pads 16, so that the gas that charges into can with fully contacted with air conditioning agent in the insulated chamber by storing products, make by storing products and fully contact with gas, and the active substance that influences atmosphere in the casing in the air conditioning agent is reacted completely, for example, in the tobacco leaf storage, as the later stage oxygen concentration of need ging up, the interior deoxidizer of the oxygen that charges in the casing and insulated chamber is fully contacted, deoxidizer is reacted completely, no longer have the deoxygenation function, under also having active situation, reduce the oxygen concentration in the casing to prevent deoxidizer, treating that atmosphere in the casing reaches needs the atmosphere scope of regulating and when stable, close and detect valve 6 and pressure regulating valve 4.
Air regulating box in the present embodiment adopts high-strength polypropylene to make.
Embodiment 2 honeysuckle microwave drying controlled atmospheres are stored
Air regulating box bottom half in embodiment 1 is laid adsorptive pads 16, wall box pastes puts the sealing indicator, adsorptive pads 16 tops arrange insulated chamber 17, air conditioning agent deoxidizer, carbon-dioxide absorbent, conditioning agent etc. are placed in the insulated chamber 17, paste at casing and put the lucifuge film, honeysuckle is laid on the grid 14, be covered with the lucifuge film, cover case lid 1, buckle latching device 7, check the sealing condition that detects valve 6 and pressure regulating valve 4.Paste electronic tag at air regulating box, put into storehouse or entrucking transportation.
Adopt method, the storage of complex film controlled atmosphere, natural storage, sulfur fumigation, the aluminum phosphide fumigation of present embodiment, stored honeysuckle 5 months, put into same warehouse, the chlorogenic acid mass content is 5.99% before storing, storage case such as table 1.
Table 1
| Banking system | Packing material | Worm | Mould | Chlorogenic acid content % | Color and luster |
| Embodiment 2 controlled atmospheres are stored | Air regulating box | Do not have | Do not have | 5.86 | Green no change |
| Controlled atmosphere is stored | Complex film | Do not have | Do not have | 5.24 | Green no change |
| Naturally store | Green Polythene Bag | Have | Have | 3.91 | Yellow |
| Sulfur fumigation | Green Polythene Bag | Do not have | Do not have | 4.67 | Green no change |
| Aluminum phosphide fumigation | Green Polythene Bag | Do not have | Have | 4.14 | Ochre |
Can find out that from last table the honeysuckle that the controlled atmosphere storage procedures of employing embodiment 2 is stored does not have worm is not had mould, quality better, effective constituent changes little, and color and luster is vivider.
Air regulating box bottom half in embodiment 1 is laid adsorptive pads 16, wall box pastes puts the sealing indicator, adsorptive pads 16 tops arrange insulated chamber 17, the air conditioning agent carbon-dioxide absorbent is placed on insulated chamber, the genseng fresh slices is laid on the grid 14, cover case lid 1, buckle latching device 7, check the sealing condition that detects valve 6 and pressure regulating valve 4.Paste electronic tag at air regulating box, put into storehouse or entrucking transportation.
Adopt method, the storage of complex film controlled atmosphere, natural storage, sulfur fumigation, the aluminum phosphide fumigation of present embodiment, stored the genseng fresh slices 12 months, put into same warehouse, the panaxoside mass content is 5.18% before storing, storage case such as table 2.
Table 2
| Banking system | Packing material | Period of storage (moon) | Worm | Mould | Panaxoside % | |
| |
|
12 | Do not have | Do not have | 5.09 | |
| Controlled atmosphere is stored | |
12 | Do not have | Do not have | 4.66 | |
| Naturally | Polythene Bag | 12 | Have | Have | 4.12 | |
| Sulfur | Polythene Bag | 12 | Do not have | Do not have | 3.96 | |
| Aluminum phosphide | Polythene Bag | 12 | Do not have | Have | 3.88 |
Adopt controlled atmosphere to store as can be seen from the above table can to keep the effective ingredient of genseng medicine materical crude slice well and do not have worm and do not have mould.
Embodiment 4 American Ginseng controlled atmospheres are stored
Air regulating box bottom half in embodiment 1 is laid adsorptive pads 16, wall box pastes puts the sealing indicator, adsorptive pads 16 tops arrange insulated chamber 17, air conditioning agent deoxidizer, carbon-dioxide absorbent, conditioning agent etc. are placed in the insulated chamber 17, American Ginseng is laid on the grid 14, cover case lid 1, buckle latching device 7, check the sealing condition that detects valve 6 and pressure regulating valve 4.Paste electronic tag at air regulating box, put into storehouse or entrucking transportation.
Adopt method, the storage of complex film controlled atmosphere, natural storage, sulfur fumigation, the aluminum phosphide fumigation of present embodiment, stored American Ginseng 18 months, and put into same warehouse, the saponin mass content is 9.5% before storing, the RB1 mass content is 7.74%, storage case such as table 3.
Table 3
As can be seen from the above table, adopt controlled atmosphere to store the effective ingredient that maintenance technology can fine maintenance American Ginseng and do not have worm and do not have mould.
Air regulating box bottom half in embodiment 1 is laid adsorptive pads 16, wall box pastes puts the sealing indicator, adsorptive pads 16 tops arrange insulated chamber 17, air conditioning agent deoxidizer, carbon-dioxide absorbent, conditioning agent etc. are placed in the insulated chamber 17, radix scrophulariae is laid on the grid 14, cover case lid 1, buckle latching device 7, check the sealing condition that detects valve 6 and pressure regulating valve 4.Paste electronic tag at air regulating box, put into storehouse or entrucking transportation.
Adopt method, the storage of complex film controlled atmosphere, natural storage, sulfur fumigation, the aluminum phosphide fumigation of present embodiment, stored radix scrophulariae 6 months, put into same warehouse, the harpagoside mass content is 0.234% before storing, storage case such as table 4.
Table 4
The controlled atmosphere storing technology can fine maintenance radix scrophulariae quality as can be seen from the above table, and does not have worm and do not have mould.
Embodiment 6 wind-weed controlled atmospheres are stored
Air regulating box bottom half in embodiment 1 is laid adsorptive pads 16, wall box pastes puts the sealing indicator, adsorptive pads 16 tops arrange insulated chamber, air conditioning agent deoxidizer, carbon-dioxide absorbent, conditioning agent etc. are placed in the insulated chamber 17, the wind-weed is laid on the grid 14, cover case lid 1, buckle latching device 7, check the sealing condition that detects valve 6 and pressure regulating valve 4.Paste electronic tag at air regulating box, put into storehouse or entrucking transportation.
Adopt method, the storage of complex film controlled atmosphere, natural storage, sulfur fumigation, the aluminum phosphide fumigation of present embodiment, stored the wind-weed 8 months, put into same warehouse, Chinaroot Greenbier Rhizome saponin mass content is 0.87% before storing, storage case such as table 5.
Table 5
The controlled atmosphere storing technology can fine maintenance wind-weed quality as can be seen from the above table, and does not have worm and do not have mould.
Air regulating box bottom half in embodiment 1 is laid adsorptive pads 16, wall box pastes puts the sealing indicator, adsorptive pads 16 tops arrange insulated chamber 17, air conditioning agent deoxidizer, carbon-dioxide absorbent, conditioning agent etc. are placed in the insulated chamber 17, Radix Codonopsis is laid on the grid 14, cover case lid 1, buckle latching device 7, open and detect valve 6, connect nitrogen making machine, pressure regulating valve 4 connects oxygen analyser, pours nitrogen in air regulating box,, close and detect valve 6 and pressure regulating valve 4 less than 0.1% until oxygen analyser indication carrier of oxygen volume concentrations.Paste electronic tag at air regulating box, put into storehouse or entrucking transportation.
Observe the air regulating box pressure condition, according to circumstances regulate the air regulating box internal pressure with pressure regulating valve.Adopt oxygen analyser to detect oxygen concentrations (volume) detecting valve 6, if be higher than 0.1%, then repeat above-mentioned inflated with nitrogen step, oxygen concentration all is stabilized in below 0.1% in air regulating box for three days on end.
Adopt method, the storage of complex film controlled atmosphere, natural storage, sulfur fumigation, the aluminum phosphide fumigation of present embodiment, stored Radix Codonopsis 5 months, and put into same warehouse, rhizoma atractylodis lactones III mass content is 0.0044% before storing, lobetyolin's mass content is 0.0357%, storage case such as table 6.
Table 6
Adopt controlled atmosphere to store Radix Codonopsis as can be seen from the above table, no worm does not have mould, has solved the problem of sulfur fumigation, and can be good at keeping quality.
Embodiment 8 radix bupleuri controlled atmospheres are stored
Air regulating box bottom half in embodiment 1 is laid adsorptive pads 16, wall box pastes puts the sealing indicator, radix bupleuri is laid on the grid 14, covers case lid 1, buckle latching device 7, open and detect valve 6, connect the carbon dioxide machine, pressure regulating valve 4 connects the carbon dioxide detector, pours carbon dioxide in air regulating box,, close and detect valve 6 and pressure regulating valve 4 greater than 99% until the carbon dioxide volume concentration.Paste electronic tag at air regulating box, put into storehouse or entrucking transportation.
Observe the air regulating box pressure condition, according to circumstances regulate the air regulating box internal pressure with pressure regulating valve.Adopt the carbon dioxide detector to detect gas concentration lwevels (volume) by detecting valve 6, if be lower than 99%, then repeat above-mentioned filling CO 2 step, gas concentration lwevel all is stabilized in more than 99% in air regulating box for three days on end.
Adopt method, natural storage, sulfur fumigation, the aluminum phosphide fumigation of present embodiment, stored radix bupleuri 8 months, put into same warehouse, the saikosaponin saikoside mass content is 2.96% before storing, storage case such as table 7.
Table 7
Adopt controlled atmosphere to store Radix Codonopsis as can be seen from the above table, no worm does not have mould, has solved the problem of sulfur fumigation, and can be good at keeping quality.
Embodiment 9 rhizoma Gastrodiae controlled atmospheres are stored
Air regulating box bottom half in embodiment 1 is laid adsorptive pads 16, wall box pastes puts the sealing indicator, adsorptive pads 16 tops arrange insulated chamber 17, on being placed on air conditioning agent deoxidizer, conditioning agent etc. in the insulated chamber 17, rhizoma Gastrodiae is laid on the grid 14, cover case lid 1, buckle latching device 7, open and detect valve 6, connect source of the gas, pressure regulating valve 4 connects oxygen analyser, pours nitrogen and carbon dioxide gas mixture in air regulating box,, close and detect valve 6 and pressure regulating valve 4 less than 0.1% until oxygen analyser indication carrier of oxygen volume concentrations.Paste electronic tag at air regulating box, put into storehouse or entrucking transportation.
Observe the air regulating box pressure condition, according to circumstances regulate the air regulating box internal pressure with pressure regulating valve.Adopt oxygen analyser detecting valve detection oxygen concentration (volume), if be higher than 0.1%, then repeat above-mentioned aeration step, oxygen concentration all is stabilized in below 0.1% in air regulating box for three days on end.
Adopt method, natural storage, sulfur fumigation, the aluminum phosphide fumigation of present embodiment, stored rhizoma Gastrodiae 8 months, put into same warehouse, rhizoma Gastrodiae quality amount content is 0.59% before storing, storage case such as table 8.
Table 8
Adopt controlled atmosphere to store rhizoma Gastrodiae as can be seen from the above table, no worm does not have mould, can be good at keeping quality.
Air regulating box bottom half in embodiment 1 is laid adsorptive pads 16, wall box pastes puts the sealing indicator, adsorptive pads 16 tops arrange insulated chamber 17, air conditioning agent deoxidizer, carbon-dioxide absorbent, conditioning agent, ethylene absorbent, agent for storage of coldness etc. are placed on are cut off in the insulated chamber 17 in 18 different spaces that separate, put the lucifuge film in the casing subsides, apple is laid on the grid 14, be covered with the lucifuge film afterwards, cover case lid 1, buckle latching device 7, check the sealing condition that detects valve 6 and pressure regulating valve 4.Paste electronic tag at air regulating box, put into storehouse or entrucking transportation.
Adopt method, the storage of complex film controlled atmosphere, the natural storage procedures of present embodiment, stored apple 4 months, put into same warehouse, storage case such as table 9.
Table 9
Can find out that from last table air regulating box is stored apple, good refreshing effect can make fresh fruit keep fine quality.
The a natural alcoholization stage: the tobacco leaf of beating and double roasting is packed in the air regulating box of embodiment 1, detection valve 6 and the pressure regulating valve 4 of air regulating box are opened, make tobacco natural alcoholization, this time period is approximately the March of annual August to next year;
The b disinsection mold-proof stage: after natural alcoholization is finished, in the insulated chamber 17 of air regulating box, put into air conditioning agent deoxidizer, carbon-dioxide absorbent, conditioning agent etc., cover case lid, close pressure regulating valve 4 and detect valve 6, the carrier of oxygen volume concentrations is down to below 2%, and the carbon dioxide volume concentration is down to below 0.5%, and relative humidity remains on 55%-65% in the case, realize the disinsection mold-proof of tobacco leaf, this stage is approximately annual 7 months of April;
C, return the oxygen upgrading stage: after the disinsection mold-proof stage finishes, open and detect valve 6 and pressure regulating valve 4, oxygen concentration in the case is pulled back to 8%-18%, the carbon dioxide volume concentration is controlled below 0.3%, relative humidity 60%-65% makes tobacco mellowing reach best in quality;
D, sealing are guaranteed the quality the stage: return after the oxygen upgrading stage finishes, open air regulating box, put into air conditioning agent deoxidizer, carbon-dioxide absorbent, conditioning agent etc. again, close and detect valve 6 and pressure regulating valve 4, with the carrier of oxygen volume concentrations drop to below 2%, the carbon dioxide volume concentration drops to below 3%, relative humidity remains on 55%-65%, uses until unpacking.
Because southern and northern climate difference, the time in natural alcoholization stage and disinsection mold-proof stage can be adjusted according to local climate in the present embodiment.
Adopt method, the complex film controlled atmosphere of present embodiment to store, store naturally, aluminum phosphide fumigation, storage tobacco leaf 8 months is put into same warehouse, storage case presentation quality such as table 10, inherent quality sees Table 11.
Table 10
| Storage procedures | Time (moon) | Color | Color and luster | Oil content | Mimeograph | | Mould |
| Embodiment | |||||||
| 11 controlled atmospheres are stored | 18 | Orange | Bright light | Have slightly | Do not have | Do not have | Do not have |
| The complex film controlled atmosphere is stored | 18 | Orange | Bright light | Have slightly | Do not have | Do not have | Do not have |
| |
18 | Deep orange | Dark slightly | Few | A small amount of slight | Do not have | Have |
| Naturally store | 18 | Deep orange | Dark slightly | Few | Have | Have | Have |
Table 11
From table 10, table 11 result as can be seen, adopt controlled atmosphere method caching maintenance tobacco leaf, no matter be that presentation quality or inherent quality all are better than other method, and do not have worm, no mould.
Although illustrated and described embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment under the situation that does not break away from principle of the present invention and aim within the scope of the invention, modification, replacement and modification.
Claims (10)
1. controlled atmosphere storage procedures, it comprises the steps:
A, will treat storing products, and treat that perhaps storing products and air conditioning agent put into air regulating box, wherein, described air regulating box comprises case lid and casing, on the described case lid or on the casing detection valve is installed, and between described case lid and the casing hermetically-sealed construction is set;
B, cover the air regulating box case lid, close the detection valve;
C, according to demand connects the detection valve of described air regulating box, to detect oxygen concentration, gas concentration lwevel, temperature, humidity or the ethylene concentration in the casing with detecting instrument.
2. controlled atmosphere storage procedures as claimed in claim 1, wherein, on the described air regulating box case lid or on the casing pressure regulating valve is installed.
3. controlled atmosphere storage procedures as claimed in claim 2, wherein, the casing of described air regulating box is double-deck hollow structure, some reinforced ribs are set in the hollow structure, lay adsorptive pads at described bottom half, described cabinet wall arranges some supporting constructions, and grid is placed in the supporting construction top, and the described storing products for the treatment of is placed on the grid.
4. controlled atmosphere storage procedures as claimed in claim 3 wherein, in the described air regulating box, arranges insulated chamber between described adsorptive pads and the described grid, and described air conditioning agent is placed in the insulated chamber.
5. controlled atmosphere storage procedures as claimed in claim 4 wherein, arranges some partitions in the described insulated chamber.
6. controlled atmosphere storage procedures as claimed in claim 4, wherein, described pressure regulating valve is arranged on the wall box between described insulated chamber bottom and the described adsorptive pads.
7. as claim 2 or 4 described controlled atmosphere storage procedures, wherein, as required, the detection valve of described air regulating box is connected source of the gas, open described pressure regulating valve, in casing, charge into desired gas, after reaching the gas concentration that needs, close and detect valve and pressure regulating valve.
8. as claim 1 or 4 described controlled atmosphere storage procedures, wherein, at the wall box of described air regulating box the sealing indicator is set.
9. as claim 1 or 4 described controlled atmosphere storage procedures, wherein, the material of described air regulating box is polypropylene.
10. the controlled atmosphere storage procedures of a tobacco leaf, wherein, this method comprises the steps:
The a natural alcoholization stage: with the tobacco leaf of the beating and double roasting air regulating box of packing into, wherein air regulating box comprises case lid and casing, be equipped with on the described case lid or on the casing and detect valve and pressure regulating valve, between described case lid and the casing hermetically-sealed construction is set, detection valve and the pressure regulating valve of air regulating box are opened, made tobacco natural alcoholization;
The b disinsection mold-proof stage: after natural alcoholization is finished, in described air regulating box, put into air conditioning agent, cover case lid, close pressure regulating valve and detect valve, the carrier of oxygen volume concentrations is down to below 2%, the carbon dioxide volume concentration is down to below 0.5%, and relative humidity remains on 55%-65% in the case, realizes the disinsection mold-proof of tobacco leaf;
C, return the oxygen upgrading stage: after the disinsection mold-proof stage finishes, open and detect valve and pressure regulating valve, oxygen concentration in the case is pulled back to 8%-18%, the carbon dioxide volume concentration is controlled below 0.3%, relative humidity 60%-65% makes tobacco mellowing reach best in quality;
D, sealing are guaranteed the quality the stage: time oxygen upgrading stage is opened air regulating box after finishing, and puts into air conditioning agent, close and detect valve and pressure regulating valve, with the carrier of oxygen volume concentrations drop to below 2%, the carbon dioxide volume concentration drops to below 3%, relative humidity remains on 55%-65%, uses until unpacking.
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| CN111184249A (en) * | 2020-03-05 | 2020-05-22 | 北京盈丰利泰科贸有限公司 | Modified atmosphere storage method for promoting accelerated alcoholization of tobacco lamina in cold region |
| CN111820202A (en) * | 2020-06-19 | 2020-10-27 | 深圳津村药业有限公司 | Method for performing dynamic air-conditioned insecticidal action on traditional Chinese medicinal materials by using air-conditioned cold store |
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| CN113137814A (en) * | 2021-04-28 | 2021-07-20 | 珠海格力电器股份有限公司 | Air conditioning method of refrigerator and refrigerator |
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