Packaging device and method for quick-frozen fruits and vegetables
A fruit and vegetable packaging bag technology, which is applied in the field of quick-frozen fruit and vegetable packaging, can solve the problems of browning and running juice, no comprehensive application, no consideration, etc., and achieve the effects of avoiding damage and cracking, alleviating vacuum extrusion, and reducing freezing barrier
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Embodiment 1
[0043] The first step is the pretreatment of fruits and vegetables: select high-quality "Guiwei" lychees that are resistant to freezing, harvest them in a timely manner without injury, quickly cut off the branches and leaves, wash and grade, pre-cool the place of production, remove the original accumulated heat, transport them back to the laboratory, and use color protection solution Reserved after processing;
[0044] The second step is filling and bagging: firstly select lychees of suitable size for "Guiwei", then put the lychees into the grid 3 with a circular cross-section, finally close the hinge 1, and put the lychee-filled fence 2 into the thickness 0.08mm vacuum bag;
[0045] The third step is air extraction and heat sealing: set the vacuum degree to 0.09MPa, exhaust the air in the vacuum packaging bag according to the procedure, and then heat seal the mouth of the bag.
[0046] Put the bagged "Guiwei" lychee into the freezer for pre-cooling until the center temperatu...
Embodiment 2
[0049] The first step is fruit and vegetable pretreatment: select high-quality "Meizao" cherries that are resistant to freezing, harvest them in good time without injury, quickly cut off branches and leaves, wash and grade, pre-cool the place of origin, remove the original accumulated heat, transport them back to the laboratory, and use color protection solution Reserved after processing;
[0050] The second step is filling and bagging: first, select "Meizao" cherries of appropriate size, then put the cherries into the grid 3 with a circular cross section, and finally close the hinge 1, and place the grid 2 full of cherries into the thickness 0.06mm vacuum bag;
[0051] The third step is air extraction and heat sealing: set the vacuum degree to 0.08MPa, exhaust the air in the vacuum packaging bag according to the procedure, and then heat seal the mouth of the bag.
[0052] Put the bagged "Meizao" cherries into the freezer for pre-cooling until the center temperature reaches 0...
Embodiment 3
[0055] The first step is fruit and vegetable pretreatment: select high-quality "Black Pearl" mulberries that are resistant to freezing, harvest them in a timely manner without injury, quickly cut off branches and leaves, wash and grade, pre-cool the place of production, remove the original accumulated heat, transport them back to the laboratory, and use color protection solution Reserved after processing;
[0056]The second step is filling and bagging: firstly select the "black pearl" mulberry with a suitable size, then put the mulberry into the grid 3 with a rectangular cross section, finally close the hinge 1, and put the fence 2 full of mulberry into a grid with a thickness of 0.07mm vacuum bag;
[0057] The third step is air extraction and heat sealing: set the vacuum degree to 0.08MPa, exhaust the air in the vacuum packaging bag according to the procedure, and then heat seal the mouth of the bag.
[0058] Put the bagged "Black Pearl" mulberries into the freezer for pre-c...
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