Heat insulating device of nitrogen charged air bag of crop greenhouse
A heat preservation device and nitrogen filling technology, which is applied in greenhouse cultivation, climate change adaptation, botany equipment and methods, etc., can solve the problems of short service life, high production cost, and troublesome use of straw curtains, and achieve low cost and low income. Roll time, easy to use effect
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Embodiment 1
[0034] The vegetable greenhouse area in Northwest China is 70m×9m=630m 2 , using the nitrogen-filled air bag insulation device of the present invention. In this embodiment, the outer surface of the outer layer 3 is provided with a protective layer 1, and the protective layer 1 is evenly coated on the outer surface of the outer layer 3 by PE material. The inner layer 9 is built with 175 airbags 4 with a diameter of 0.4 meters and a length of 9 meters. The airbags 4 are made of PET material, and the inner layer of the airbag 4 is coated with an airbag inner protective layer 10 made of PE material. Arranged side by side, five communicating pipes 5 with a diameter of 2 cm are arranged between adjacent airbags 4. The five communicating pipes 5 are evenly distributed up and down. The top of outer layer 3 is provided with the plastic air bag inflation tube 2 of diameter 3 centimeters, and one end of air bag inflation tube 2 bottoms is inserted in the air bag 4, and one end of top is...
Embodiment 2
[0042] The vegetable greenhouse area in North China is 30m×9m=270m 2 , using the nitrogen-filled air bag insulation device of the present invention. In this embodiment, the outer surface of the outer layer 3 is provided with a protective layer 1, and the protective layer 1 is evenly coated on the outer surface of the outer layer 3 by PE material. The inner layer 9 is built with 100 airbags 4 with a diameter of 0.3 meters and a length of 9 meters. The airbags 4 are made of PET material, and the inner layer of the airbag 4 is coated with an airbag inner protective layer 10 made of PE material. 100 airbags 4 Arranged side by side, five communicating pipes 5 with a diameter of 2 cm are arranged between adjacent airbags 4. The five communicating pipes 5 are evenly distributed up and down. The top of outer layer 3 is provided with the plastic air bag inflation tube 2 of diameter 3 centimeters, and one end of air bag inflation tube 2 bottoms is inserted in the air bag 4, and one end...
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