High-pressure cultivation system

A high-pressure, cultivation room technology, applied in the field of greenhouse cultivation systems, can solve the problems of difficult to adjust the air pressure value, the gas does not form a circulating flow, and is difficult to achieve, so as to improve the yield and quality of crops, reduce the occurrence of germs and pests, and improve the structure of the plant. simple effect

Inactive Publication Date: 2009-07-22
BEIJING RES CENT FOR INFORMATION TECH & AGRI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are many ways to control the gas pressure in a closed container, most of which are monitored by electronic instruments, and the air pressure in the container is maintained by using an air blowing pump or an air compressor. When the air pressure in the container reaches the set pressure value, the air blowing pump or air The compressor stops working, so that the air pressure in the container can be effectiv

Method used

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Example Embodiment

[0020] Embodiment 1 The technical solution of the present invention is a high-pressure cultivation system. The high-pressure cultivation system includes at least one closed cultivation room 6 or greenhouse. The cultivation room 6 is connected to a high-pressure air source through an air intake duct 4, and The pressure value provided by the high-pressure gas source is about 1.5 times the pressure value to be set in the cultivation room. A gas flow controller for controlling the flow of the high-pressure gas is installed between the high-pressure gas source and the air inlet duct 4 3. An air valve 2 is connected to the air duct between the gas flow controller 3 and the high-pressure gas source; the cultivation room 6 also passes through the air outlet air duct 10 and several pressure control tubes 7 for controlling the air pressure in the cultivation room 6 In order to prevent the water in the pressure control tube from flowing into the cultivation room, the liquid level of the liqu...

Example Embodiment

[0021] Embodiment 2 On the basis of the foregoing embodiment, a plurality of the pressure control tubes 7 are connected in series with each other through a plurality of air outlet air ducts 10. In this way, the height of each pressure control tube 7 can be reduced by increasing the number of pressure control tubes 7 connected in series.

Example Embodiment

[0022] Embodiment 3 On the basis of the foregoing embodiment, among the several air outlet air ducts 10, one end of the air outlet air duct 10 is connected to the upper or lower end 12 of the air outlet of the cultivation room, and the other end is connected to the air outlet of the cultivation room. The air inlet 11 of the pressure control tube is connected, and the air outlet air duct whose one end communicates with the lower end of the air outlet 12 of the cultivation room is an inverted U-shaped installation on the pressure control tube 7 and the cultivation room 6 Between the air outlet trachea 10.

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Abstract

The invention relates to a high pressure cultivation system, in particular to the high pressure cultivation system keeping an atmospheric pressure environment higher than the standard atmospheric pressure in a cultivation chamber and having a certain amount of air circulation quantity. The system comprises an airtight cultivation chamber which is communicated with a high pressure air source through an air inlet duct; and an air flow controller and an air valve are arranged between the high pressure air source and the air inlet duct. The cultivation chamber is also communicated with a plurality of pressure control pipes through an air outlet duct; the liquid for controlling the atmospheric pressure inside the cultivation chamber is injected in the pressure control pipes; and the level altitude of the injected liquid in the pressure control pipes is lower than that of the air outlet duct. The system can not only keep the constant atmospheric pressure higher than the standard atmospheric pressure inside the cultivation chamber, but also make the air in the cultivation chamber circulate continuously in a constant flow quantity and control the direction of the air flow in the cultivation chamber.

Description

technical field [0001] The invention relates to a greenhouse cultivation system, in particular to a high-pressure cultivation system for maintaining an air pressure environment higher than standard atmospheric pressure and a certain air circulation flow in a cultivation chamber. Background technique [0002] Dust-free bacteria cultivation can significantly improve the safety and quality of crop products, and increasing the pressure value of the plant cultivation environment can significantly inhibit the entry of external germs and pests, reduce the occurrence of germs, diseases and pests in the plant production process, and have a greater change in plant productivity potential. At present, there are many ways to control the gas pressure in a closed container, most of which are monitored by electronic instruments, and the air pressure in the container is maintained by using an air blowing pump or an air compressor. When the air pressure in the container reaches the set pressu...

Claims

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Application Information

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IPC IPC(8): A01G9/02A01G9/24A01G31/02
CPCY02A40/25Y02P60/21
Inventor 赵春江薛绪掌李邵乔晓军王纪华王成
Owner BEIJING RES CENT FOR INFORMATION TECH & AGRI
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