Novel supermarket vegetable fresh keeping selling device
A technology for supermarkets and vegetables, applied in the direction of fruit and vegetable preservation, food preservation, agricultural gas emission reduction, etc., can solve the problems of shortening the preservation period, inability to carry out leafy vegetables, and perishable roots of vegetables, reducing the level of metabolism and preventing water loss. , good fresh-keeping effect
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Embodiment 1
[0024] Embodiment 1: a kind of novel supermarket vegetable fresh-keeping selling device, such as figure 1 As shown, it includes a device main body with air-ventilating holes 6 thereon, and the device body is a box body 2 with a cover 1, and the cover is connected with the box body through a hinge, and the air-ventilating holes 6 are opened in the cover. Above, a small air conditioner 3 and a spraying device 4 are arranged in the box, and the bottom of the box is paved with a support material 5 filled with nutrient solution, and the support material is one of sponge pad, vermiculite or perlite, and the nutrient solution The height is 0.8-1cm, calcium peroxide is added in the nutrient solution, the calcium peroxide is calculated by adding 5-50 mg per liter of nutrient solution, the pH value of the liquid in the box is 5.5-6; each liter of nutrient solution The ingredient ratio is as follows:
[0025] MgSO 4 0.5-0.6g; CaCl 2 1.2-1.3 g; (NH 4 ) 2 SO 4 0.2-0...
Embodiment 2
[0027] Embodiment 2: a kind of novel supermarket vegetable fresh-keeping selling device, such as figure 1 As shown, it includes a device main body with air-ventilating holes 6 thereon, and the device body is a box body 2 with a cover 1, and the cover is connected with the box body through a hinge, and the air-ventilating holes 6 are opened in the cover. Above, a small air conditioner 3 and a spraying device 4 are installed in the box, and the bottom of the box is paved with a support material 5 filled with disinfected soil water. The support material is a mixture of vermiculite and perlite, and the height of the disinfected soil water is 0.8-1cm , Calcium peroxide is added to the disinfected soil water, and the calcium peroxide is added according to 5-50 mg per liter of the disinfected soil water, and the pH value of the whole liquid in the box is 5.5-6. The preparation method of the sterilized soil water is as follows: take soil and add it, the ratio of water and soil is 1000...
Embodiment 3
[0029] Embodiment 3: a kind of novel supermarket vegetable fresh-keeping selling device, such as figure 2 As shown, the main body of the device is a box body 2 with a window 7, and the vent hole 6 is opened on the upper end surface 21 of the box body, and a small air conditioner 3 and a spray device 4 are arranged in the box body. The bottom of the body is paved with support material 5 filled with tap water. The support material is a kind of sponge pad, vermiculite or perlite. Calcium peroxide, 5-50 mg of calcium peroxide is added per liter of tap water, and the pH value of the entire liquid in the casing is 5.5-6.
[0030] Embodiment 3 is suitable for making a large-scale vending device. As a change, the vent holes can also be opened on the side of the box.
[0031] In embodiment 1-embodiment 3 of the present invention, the box is made of transparent plastic material; the temperature inside the box is 16-20° C., and the humidity is 80%-90%.
[0032] As a transformation of ...
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