Portable multifunctional gas regulating and controlling preservative box for fruit and vegetable storage and transportation microenvironment

A gas regulation and micro-environment technology, which is applied in the fields of fruit and vegetable preservation, packaging of fruits/vegetables, and packaging of objects under special gas conditions. and other problems, to achieve the effects of delaying short-term storage and transportation, extending the fresh-keeping period, and being easy to carry

Active Publication Date: 2015-06-24
天津农业科学院 +1
5 Cites 16 Cited by

AI-Extracted Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problems of complex operation of large and medium-sized controlled atmosphere storage, single applicable variety, difficult control of controlled atmosphere storage index and process, difficult control of postharvest physiological diseases, and unstable fresh-keeping effect of existing mechanical cold storage combined with ...
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Method used

(1) use portable multifunctional fruit and vegetable storage and transportation micro-environmental gas regulation fresh-keeping box can make the fresh-keeping period of cherry fruit obtain obviously prolongation, can keep above-mentioned fruit and vegetable storage and shelf quality better, effectively keep its original colo...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention discloses a portable multifunctional gas regulating and controlling preservative box for a fruit and vegetable storage and transportation microenvironment. The preservative box comprises a relatively independent fruit and vegetable storage and transportation preservative microenvironment formed by a box body, a box cover and a rubber sealing ring between the box body and the box cover. A shockproof anti-skid frame and a shockproof mat are arranged at the bottom of the box body, an anti-skid raised disk and an anti-skid mat both matched with a grid type lifting box upper opening are arranged on the inner side of the box cover, and a stereoscopic internal package in a grid type lifting box placed in the box body is fixed; multiple vent holes are formed in the two symmetrical side walls of the box body, one-way breather valves or one-way breathing films with a selective breathing function are pasted on the multiple vent holes in the outer side of the box body, and one or two rubber self-sealing openings are mounted on the same side or the other two side faces of the box body. The purpose of maintaining the quality of stored preservative products to the maximum extent is achieved through spontaneous or manual regulating and controlling of gas in the microenvironment formed through the cooperation effect of the vent holes in the side walls of the box body, the one-way breather valves, the one-way breathing films, the rubber self-sealing openings and spontaneous breathing of fruits and vegetables in the box.

Application Domain

Technology Topic

Image

  • Portable multifunctional gas regulating and controlling preservative box for fruit and vegetable storage and transportation microenvironment
  • Portable multifunctional gas regulating and controlling preservative box for fruit and vegetable storage and transportation microenvironment
  • Portable multifunctional gas regulating and controlling preservative box for fruit and vegetable storage and transportation microenvironment

Examples

  • Experimental program(6)

Example Embodiment

[0040] Example 1
[0041] Such as Figure 1 ~ Figure 7 As shown, the portable multifunctional fruit and vegetable storage and transportation microenvironmental gas-controlled fresh-keeping box provided by the present invention includes a box lid, a lid handle, a box body, a sealing rubber ring between the box body and the box lid, and a grid-type carrying box in the box Three-dimensional inner packaging, non-slip convex plate/non-slip pad at the bottom of the box cover, anti-vibration anti-skid frame on the side wall of the box, anti-vibration pad at the bottom of the inside of the box, air conditioning elements and pre-cooling on the symmetrical two side walls of the box Temperature element; among them, a relatively independent microenvironment for storage, transportation and preservation of fruits and vegetables is formed by the box body, the box cover, the sealing rubber ring between the box body and the box cover; the anti-skid convex plate/anti-skid pad at the bottom of the box cover, and the shockproof on the side wall of the box body The anti-slip frame, the shock-proof pad at the bottom of the box and the three-dimensional inner packaging of the grid-type carrying box placed in the box constitute the shock-proof, shock-absorbing and loss-reducing structural unit for the storage and transportation of fruits and vegetables; the air-conditioning elements on the two side walls of the box are symmetrical Including multiple vents on the wall, one-way venting or one-way venting film with selective venting, and special self-sealing film with selective venting to make the sealed box and the stored fruits and vegetables form a gaseous microenvironment during storage and transportation The characteristics of storing fruits and vegetables constitute a single, double, triple or multiple gas control structural unit; the middle of the outer wall of the box protruding inward with a porous shock-proof and anti-skid element and a self-sealing film with selective humidity control function constitute a structural unit with automatic pre-cooling function ; The box cover, the box body, the sealing rubber ring of the box cover and the box body, the three-dimensional inner packaging of the grid-type carrying box built in the box body and the air conditioning components on the box body wall together constitute the anti-condensation unit after the box body is out of the warehouse.
[0042] The box cover, box body, shock-proof and anti-skid frame on the side wall of the box body, and the three-dimensional inner packaging of the grid type carrying box in the box body are all made of food-grade polypropylene and can be used under the conditions of -35℃~100℃ ; The sealing ring is made of silicone resin and can be used at -35℃~100℃.
[0043] An anti-vibration pad is placed on the bottom of the inner side of the box. The anti-vibration pad can also have the functions of delaying the aging of fruits and vegetables and preventing and curing diseases. An ice pack can also be placed under the anti-vibration pad for cooling during transportation.
[0044] The symmetrical two side walls of the box body have a plurality of vent holes. During the pre-cooling process, the number of symmetrical two side walls vent holes is determined according to the variety and quantity of fruits and vegetables. After the pre-cooling is completed, the two side walls are symmetrical. Paste the ventilation hole in the middle position with a one-way ventilation valve or a one-way ventilation membrane, and then use a special sealing membrane to close the remaining ventilation holes. The fruit and vegetable spontaneously regulate the microenvironmental gas content in the box to achieve its storage, transportation and preservation goals.
[0045] The container body, the box cover, the sealing structure between the box body and the box cover, and the grid-type three-dimensional inner packaging of the fruits and vegetables in the box constitute relatively independent microenvironmental conditions for the storage and transportation of fruits and vegetables. The ventilation holes on the two side walls of the box extract part of the gas in the box from the rubber self-sealing ports on the same side or on the other two sides of the box to regulate the gas content in the microenvironment to delay the short-term storage, transportation and preservation of fruits and vegetables.
[0046] When it is necessary to use the portable multifunctional fruit and vegetable microenvironmental gas-regulated and fresh-keeping box provided by the present invention to perform fresh-keeping treatment on fruits and vegetables, two methods can be used for pre-cooling treatment:
[0047] (1) First, put the classified fruits and vegetables into the three-dimensional inner packaging of the grid-type carrying box, and then put the three-dimensional inner packaging of the grid-type carrying box into the portable fruit and vegetable micro-environment gas-controlled fresh-keeping box, and after sufficient pre-cooling, Then cover the box cover, so that the box body, the box cover, the sealing tape, the three-dimensional inner packaging of the grid-type carrying box, and the fruits and vegetables stored and transported together form the fruit and vegetable micro-environment gas environment, and the micro-environment gas control procedure is started;
[0048] (2) Put the classified fruits and vegetables into the three-dimensional inner packaging of the grid-type carrying box first, and then put the three-dimensional inner packaging of the grid-type carrying box into the portable fruit and vegetable micro-environment gas-controlled fresh-keeping box, close the lid, and open The opening of the humidity-conditioning and pre-cooling device in the middle part of the outer wall of the box body, after sufficient pre-cooling, close or seal the opening of the humidity-conditioning and pre-cooling device of the box body, so that the box body, the box cover, the sealing rubber ring, and the grid type carrying box are three-dimensionally packed Together with the fruits and vegetables stored and transported, the microenvironment for fruits and vegetables is formed, and the microenvironmental gas control procedure is started.
[0049] When it is necessary to use the portable multifunctional fruit and vegetable microenvironmental gas control and preservation box provided by the present invention to carry out long-term preservation treatment of fruits and vegetables, 4 methods can be used to carry out the fruit and vegetable microcirculation gas control treatment:
[0050] (1) The single-weight ventilating and moisturizing air conditioning method of the fruit and vegetable microenvironment is mainly aimed at the CO 2 For gaseous fruits and vegetables, the treatment method is as follows: according to the biological characteristics of the fruits and vegetables, the variety and quantity of the fruits and vegetables, the number of vent holes on the two side walls of the symmetrical position of the box body is determined, so that the microenvironmental gas content of the fruits and vegetables is in the entire storage and transportation cycle Basically maintained within the required range, namely CO 2 The content is maintained below 1%, O 2 The content is maintained above 15%, and ethylene shall not be detected until the end of the storage and transportation cycle.
[0051] (2) Double breathable and moisturizing air conditioning method in the microenvironment of fruits and vegetables, mainly for more CO resistance 2 For gaseous fruits and vegetables, the processing method is: according to the biological characteristics of the fruits and vegetables, the variety and quantity of the fruits and vegetables, the symmetrical two-sided ventilation holes, the one-way air regulating valve or the number of the one-way air regulating film are determined in the box body. Paste a one-way gas control valve or one-way gas control film on the outer wall of the vent to make the micro-environment gas content rise to a certain level within the time required by the fruits and vegetables, and then selectively pass the valve or membrane to make the gas content in the micro-environment reach a dynamic Balance, or CO 2 The content is maintained at 3%~5%, O 2 The content is maintained at 5% to 10% until the end of the storage and transportation cycle.
[0052] (3) The triple breathable and moisturizing atmosphere of the fruit and vegetable microenvironment is mainly aimed at high CO resistance 2 For gaseous fruits and vegetables, the processing method is as follows: according to the biological characteristics of the fruits and vegetables, the variety and quantity of the fruits and vegetables, the vent holes, the one-way air regulating valve or the number of the one-way air regulating membranes on the two side walls of the box are determined. Paste a one-way gas control valve or one-way gas control film on the vent of the outer wall of the box, and then paste a micro-permeable film on the outer layer of the one-way gas control valve or one-way gas control film, so that the micro-environment gas content can reach the needs of fruits and vegetables in a short time Then uncover the outermost micro gas-permeable membrane, and make the gas content in the micro-environment reach a dynamic equilibrium through the selective one-way gas regulating valve or one-way gas regulating membrane, that is, CO 2 The content is maintained at 8%~12%, O 2 The content is maintained at 5% to 10% until the end of the storage and transportation cycle.
[0053] (4) Multiple breathable and moisturizing air conditioning methods in the fruit and vegetable microenvironment, mainly for high CO resistance 2 For gaseous fruits and vegetables, the processing method is as follows: first extract part of the gas in the box from the rubber self-sealing ports on both sides of the box wall, quickly adjust the gas content in the microenvironment, and then determine the position of the box according to the biological characteristics of the fruits and vegetables after harvest, the variety and quantity of the fruits and vegetables The number of symmetrical two-sided air holes, one-way gas regulating valve or one-way gas regulating film, and then sticking one-way gas regulating valve or one-way gas regulating film on the venting hole of the outer wall of the box, and then attaching the one-way gas regulating valve or A micro-breathable membrane is pasted on the outer layer of the one-way gas control membrane to make the micro-environment gas content reach the required content of fruits and vegetables in a short time, and then the outermost micro-breathable membrane is uncovered, and the selective one-way gas control valve or one-way gas control is used The membrane makes the gas content in the microenvironment reach a dynamic equilibrium, namely CO 2 The content is maintained at 12%-18%, O 2 The content is maintained at 3%-5% until the end of the storage and transportation cycle.
[0054] When it is necessary to use the portable multifunctional fruit and vegetable microenvironmental gas control and preservation box provided by the present invention for short-term preservation of fruits and vegetables, two methods can be used for fruit and vegetable microcirculation gas control treatment:
[0055] (1) For not CO resistant 2 For gaseous fruits and vegetables, the treatment method adopted is: according to the biological characteristics of fruits and vegetables after harvest, the variety and quantity of fruits and vegetables, the number of vent holes on the two side walls of the symmetrical position of the box body is determined, so that the gas content of the microenvironment of fruits and vegetables is in the whole storage and transportation cycle. Is basically maintained within the required range, that is, CO 2 Content ≤1%; O 2 The content ≥10%, ethylene gas shall not be detected.
[0056] (2) For higher resistance to high CO 2 For gaseous fruits and vegetables, the treatment method adopted is: according to the biological characteristics of the fruits and vegetables after harvest, the varieties and quantities of the fruits and vegetables, first extract part of the gas in the box from the rubber self-sealing ports on both sides of the box wall to make the microenvironment O 2 The gas content quickly drops below 10%, reaching the goal of short-term storage, transportation and preservation of fruits and vegetables that delay aging.

Example Embodiment

[0057] Example 2
[0058] Such as figure 1 , Figure 4 As shown, the fruit and vegetable micro-environment single-layer breathable and moisturizing air conditioning method for micro-environment gas regulation treatment is mainly aimed at being intolerant to CO 2 For gaseous fruits and vegetables, the treatment method is as follows: according to the biological characteristics of the fruits and vegetables, the variety and quantity of the fruits and vegetables after the harvest, the number of vent holes on both sides of the symmetrical opening of the box is determined. The area with the vent holes is 12-15 mm in diameter or 12~ 15×12~15mm square, the diameter of the vent hole is 0.01~0.5mm, that is, there are 30~60 vent holes per square centimeter, so that the microenvironmental gas content of fruits and vegetables is basically maintained within the required range during the entire storage and transportation cycle, namely CO 2 Content ≤1%; O 2 The content ≥10%, ethylene gas shall not be detected.

Example Embodiment

[0059] Example 3
[0060] Such as figure 1 , Figure 5 As shown, the fruit and vegetable microenvironment dual breathable and moisturizing air conditioning method is used for microenvironment gas conditioning treatment, which is mainly aimed at the more CO resistant 2 For gaseous fruits and vegetables, the processing method is: according to the biological characteristics of the fruits and vegetables, the variety and quantity of the fruits and vegetables, the symmetrical two-sided ventilation holes, the one-way air regulating valve or the number of one-way air regulating membranes are determined by the position of the box. The diameter is 12-15 mm round or 12-15×12-15mm square, the diameter of the vent is 0.01-0.5mm, that is, there are 30-60 vents per square centimeter, and then one-way gas is pasted on the vent of the outer wall of the box Regulating valve or one-way gas regulating moisturizing and breathable membrane, the thickness of the moisturizing and breathable membrane is 20-50μm, the average pore diameter is about 3-15μm, and the pore density is about 20-50pcs/mm 2 , So that the micro-environment gas content rises to a certain level within the time required by fruits and vegetables, and then the gas content in the micro-environment reaches a dynamic equilibrium through selective passage, that is, CO 2 The content is maintained at 3%~5%, O 2 The content is maintained at 5% to 10% until the end of the storage and transportation cycle.
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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PUM

PropertyMeasurementUnit
Thickness20.0 ~ 50.0µm
Average pore size3.0 ~ 15.0µm
Average pore size3.0 ~ 50.0µm
tensileMPa
Particle sizePa
strength10

Description & Claims & Application Information

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the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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