Background technology
Ripe successively the concentrating of a large amount of fruits and vegetables gone on the market, and makes the fruits and vegetables main producing region occur phenomenon unsalable, overstocked, price reduction in varying degrees.The fruit and vegetable that the peasant works laboriously to produce in the process of circulation, has quite a few fruits and vegetables to become rubbish because of rotting.
Develop preservation technique energetically, the fresh fruit of vegetables product that allows the consumer can have firm harvesting throughout the year is a very important research project with the added value that improves fruit and vegetable food.
The aerobic respiration relation of preserving fruit and vegetable utilizing and fruits and vegetables is very close, the breathing of fruits and vegetables comes down to organic matter oxidation lentamente in the fruit, under aerobic conditions, sugar, organic acid and complicated carbohydrate as matrix in the fruit are decomposed into carbon dioxide, water and heat by complete oxidation, keep normal vital movement.Under anoxia condition, the matrix in the fruit can not be decomposed by complete oxidation, can only produce compound relatively simple for structure such as ethanol, acetaldehyde etc. and a spot of heat.The anaerobic respiration fruit is the energy of acquisition with the aerobic respiration as much, the just necessary more respiratory substrate of oxidation, promptly consume more reserve substance, make the fruit quality variation, shorten storage period, serious meeting causes fruits and vegetables to rot, and gas concentration lwevel is too high, also can in fruits and vegetables, produce acidic materials, cause fruits and vegetables " brown stain " and " evil mind ".
The packing case that is used for fruits and vegetables at present just plays the instrument of a storage and transportation, can not play fresh-keeping effect.
Summary of the invention
The objective of the invention is to overcome weak point in the prior art, a kind of preparation method with combined fruit and vegetable aerobic preservation paper box of slow release free oxygen function is provided.
Carton, attapulgite preservative corrugated cardboard, plastic foamboard, vinyl disc, plastic wire, solid water, concave-convex rod particle adsorption oxygen increasing agent, steam vent and foamed plastics loam cake that combined fruit and vegetable aerobic preservation paper box is made by corrugated board are formed.
The present invention is achieved by following technical proposals:
The preparation method of combined fruit and vegetable aerobic preservation paper box is: combined fruit and vegetable aerobic preservation paper box is a rectangular carton, carton is to be made by 5~7 layers corrugated board, place 1 plastic foamboard in the carton at the end, vinyl disc is placed on the plastic foamboard, concave-convex rod particle adsorption oxygen increasing agent and solid water evenly are sprinkling upon in the vinyl disc, plastic wire is placed on the vinyl disc, and following attapulgite preservative corrugated cardboard is placed on the plastic wire; 4 plastic foamboards of vertical respectively placement around the inwall of carton, 4~8 attapulgite preservative corrugated cardboards of vertical respectively placement around the inwall of plastic foamboard, fruit and vegetable food is placed on down in the space that the attapulgite preservative corrugated cardboard of attapulgite preservative corrugated cardboard and vertical placement forms, last attapulgite preservative corrugated cardboard covers above the fruit and vegetable food, the foamed plastics loam cake is placed on above the attapulgite preservative corrugated cardboard, reserving 12~24 diameters at the foamed plastics loam cake is 5~12 millimeters steam vent, closes the carton loam cake at last.
The production method of described concave-convex rod particle adsorption oxygen increasing agent: the batching of concave-convex rod particle adsorption oxygen increasing agent, form by following component by weight percentage: Concave-convex clay rod 25~40%, natural minerals adsorbent 20~45%, SODIUM PERCARBONATE 20~50%, quick lime 2~15% and ferrous sulfate 0.1~5%; To pulverize the grain fineness after the pulverizing≤0.15 millimeter after the above-mentioned batch mixes; Mixture input pressure machine after the pulverizing is pressed into particle, and grain graininess is controlled at 1~20 millimeter, is packaged as finished product;
The production method of concave-convex rod particle adsorption oxygen increasing agent has been applied for patent of invention by the inventor, and the license notification number is CN 100540480, and Granted publication day is on September 16th, 2009.
The preparation method of described attapulgite preservative corrugated cardboard is: attapulgite preservative corrugated cardboard is a kind of seven layers of double-layer corrugated cardboard composite, adopt pressure sintering to be bonded in above the surface layer paper plastic-aluminum combined film earlier, be bonded together by corrugating machine with corrugated paper A, sandwich of layers paper, corrugated paper B and nexine paper successively below the surface layer paper, with the outer surface of attapulgite fruit and vegetable fresh-keeping coating brushing, dry the back through nature and be attapulgite preservative corrugated cardboard again at nexine paper.
The preparation method of attapulgite preservative corrugated cardboard has been applied for patent of invention by the inventor on September 28th, 2009, Chinese patent application number is: 200910035420.2.
The production method of described attapulgite fruit and vegetable fresh-keeping coating is: (1) adds the batching of attapulgite fruit and vegetable fresh-keeping coating and carries out in mixer after stirring at low speed mixes, and input is pulverized and being pulverized making beating in the beater and be the mixture of attapulgite fruit and vegetable fresh-keeping coating; (2) mixture that step (1) is obtained is imported to grind in the multi-functional colloid mill and is pasty mixture, and grain fineness is less than 0.005 millimeter; (3) pasty mixture after the grinding that step (2) is obtained carries out powerful stirring of high speed and is the paste semi-finished product in the input ultrahigh speed mixer; (4) the paste semi-finished product that step (3) is obtained carry out the vacuum degassing process processing, and canned is the finished product of attapulgite fruit and vegetable fresh-keeping coating.
Attapulgite fruit and vegetable fresh-keeping coating has been applied for patent of invention by the inventor on September 16th, 2009, Chinese patent application number is 200910034479.X.
The production method of described solid water is: the high hydroscopic resin of granularity 〉=0.1 millimeter is soaked with deionized water, high hydroscopic resin is through after soaking suction, its water absorbent rate can reach 100~300 times of own wt, and the high hydroscopic resin after the immersion imbibition is a solid water.
The combined fruit and vegetable aerobic preservation paper box using method: evenly be sprinkling upon in the vinyl disc at concave-convex rod particle adsorption oxygen increasing agent and solid water earlier, plastic wire is placed on the vinyl disc, and following attapulgite preservative corrugated cardboard is placed on the plastic wire; Fruit and vegetable food is placed on down in the space that the attapulgite preservative corrugated cardboard of attapulgite preservative corrugated cardboard and vertical placement forms, last attapulgite preservative corrugated cardboard covers above the fruit and vegetable food, the foamed plastics loam cake is placed on above the attapulgite preservative corrugated cardboard, closes the carton loam cake at last.
One deck concave-convex rod particle adsorption oxygen increasing agent and solid water are arranged in the combined fruit and vegetable aerobic preservation paper box vinyl disc, produce in transit jolt and when vibrating, water in the solid water can slowly be penetrated in the concave-convex rod particle adsorption oxygen increasing agent, constantly discharge a spot of free oxygen, supply with fruits and vegetables and keep normal vital movement, fruits and vegetables consume oxygen and emit carbon dioxide by respiration, prevent the generation of anaerobic respiration, the waste gas of the generation in the combined fruit and vegetable aerobic preservation paper box is discharged from the steam vent of foamed plastics loam cake.
Solid water in the combined fruit and vegetable aerobic preservation paper box, can uninterruptedly discharge the moisture of trace lentamente, effectively keep having certain humidity in the combined fruit and vegetable aerobic preservation paper box, can also prevent that fruits and vegetables from producing the wilting phenomenon, guarantee the fresh genuineness that keeps as before of fruit, vegetables in the combined fruit and vegetable aerobic preservation paper box.
Use combined fruit and vegetable aerobic preservation paper box accumulating fruit and vegetable food, significantly reduced the loss in the accumulating way, fruit and vegetable food is fetched a good price, increased economic benefit.
Combined fruit and vegetable aerobic preservation paper box can reuse, and reduces carrying cost, the green resource of saves valuable.
The preparation method of combined fruit and vegetable aerobic preservation paper box is applicable to makes the carton need the fresh-keeping and moistening effect of aerobic.
Description of drawings:
Fig. 1 is the schematic diagram of combined fruit and vegetable aerobic preservation paper box, Fig. 2 be combined fruit and vegetable aerobic preservation paper box A-A to profile.
As shown in the figure: the 1st, carton, the 2nd, plastic foamboard, the 3rd, attapulgite preservative corrugated cardboard, the 4th, fruit and vegetable food, the 5th, following attapulgite preservative corrugated cardboard, the 6th, plastic wire, the 7th, vinyl disc, the 8th, protruding rod particle adsorption oxygen increasing agent, the 9th, solid water, the 10th, following plastic foamboard, the 11st, last attapulgite preservative corrugated cardboard, the 12nd, steam vent, the 13rd, foamed plastics loam cake, the 14th, carton loam cake.