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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

Inactive Publication Date: 2012-10-03
安徽飞天农用生物科技有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of the prior art are: the rewinding of the straw curtains is easy to cause damage, the service life of the straw curtains is short; the cost of agricultural production is high; and it is troublesome to use at the same time
After extensively consulting domestic and foreign patent documents and publications, there is no nitrogen-filled air bag heat preservation device for crop greenhouses identical to the present invention

Method used

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  • Heat insulating device of nitrogen charged air bag of crop greenhouse

Examples

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Effect test

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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Abstract

The invention belongs to crop greenhouse production equipment, and in particular relates to a heat insulating device of a nitrogen charged air bag of a crop greenhouse. A mat covered on the top of a plastic crop greenhouse in the prior art, so that the defects of easiness to damage, short service life and high cost exist in the prior art. The outer surface of an outer layer (3) of the device provided by the invention is provided with a protective layer (1), an inner layer (9) is internally provided with air bags (4), and the inner layers of the air bags (4) are provided with air bag inner layer protective layers (10); a communicating pipe (5) is arranged between every two adjacent air bags (4); the upper part of the outer layer (3) is provided with an air bag charging pipe (2); the upper side, the left side and the right side of the outer layer (3) are provided with fixing rings (7); and the lower part of the outer layer (3) is provided with a bottom edge (6). The heat insulating device has the advantages of low cost, capability of saving time for rolling or unrolling the mat every day, rapidness in temperature rise and good heat insulation effect in winter, reduction of light saturation points, and light weakening, and is suitable for crop growth in summer, good in wind resistance and suitable for windy places.

Description

technical field [0001] The invention belongs to production equipment for crop greenhouses, in particular to a nitrogen-filled air bag heat preservation device for crop greenhouses. Background technique [0002] In order to improve the efficiency of agricultural production and enable the smooth growth of crops in cold seasons in high latitudes, protected cultivation of crops has been widely promoted, and plastic greenhouses are widely used. In the prior art, in order to maintain the temperature in the greenhouse, straw curtains are covered on the top of the plastic greenhouse for crops, covered at night, and rolled up when the temperature is high during the day. The disadvantages of the prior art are: the rewinding of the straw curtains is easy to cause damage, the service life of the straw curtains is short; the cost of agricultural production is high; and it is troublesome to use at the same time. Due to the increase in the cultivation area of ​​protected areas year by yea...

Claims

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Application Information

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IPC IPC(8): A01G9/24
CPCY02A40/25
Inventor 张从军王坤王德生马建
Owner 安徽飞天农用生物科技有限公司
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