Soil pore space gas concentration layered rapid detecting system

A technology of gas concentration and detection system, which is applied to the structural details of gas analyzers, analysis of gas mixtures, measurement devices, etc., can solve problems such as investigation of gas between soil pores, research limitations, etc., to reduce data accuracy and easy disassembly. Solution, low cost effect

Pending Publication Date: 2019-04-26
SHAANXI NORMAL UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, in agricultural or ecological surveys, there is a lack of a layered rapid detection system for the concentration of oxygen, carbon dioxide and other gases in the soil around plant roots. investigation, research is restricted

Method used

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  • Soil pore space gas concentration layered rapid detecting system
  • Soil pore space gas concentration layered rapid detecting system
  • Soil pore space gas concentration layered rapid detecting system

Examples

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Embodiment 1

[0040] Such as Figure 1 to Figure 6 As shown, a rapid detection system for stratified gas concentration in soil pores includes a multi-stage sampler 1, a tapered drill bit 2 installed at the lower end of the multi-stage sampler 1, and a propeller 3 installed at the upper end of the multi-stage sampler 1 , a multi-way joint 4 located above the propeller 3 and connected to the multi-stage sampler 1, a gas sampling pump 5 connected to the multi-way joint 4, and a gas detector 6 connected to the gas sampling pump 5; the multi-stage sampler 1 includes a plurality of sequentially connected and A coaxial sampler 11, the sampler 11 includes a cylindrical sampler housing, in the sampler housing is provided with a partition 112 parallel to the central axis of the sampler 11 and connected to the inner wall of the sampler housing, the partition 112 will The interior of the sampler housing is divided into an installation cavity 113 and a gas collection cavity 114 which are not connected t...

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Abstract

The invention discloses a soil pore space gas concentration layered rapid detecting system which comprises multi-stage samplers, a conical drill bit, a thruster, a multi-way connector, a gas samplingpump and a gas detector. The multi-stage samplers comprise a plurality of sequentially connected and coaxial samplers. Each sampler comprises a sampler shell, a gas conveying hose interface, a gas blocking plate and a partition plate, wherein the interior of the sampler shell is divided by the partition plate into an installation cavity and a gas sampling cavity, and a vent hole is formed in the side wall of each gas sampling cavity. The gas sampling pump and the gas detector are connected with the samplers through the multi-way connector and gas conveying hoses. The gas sampling pump is usedfor pumping gas in the gas sampling cavities and transmitting the gas to the gas detector through the gas conveying hoses so that the gas concentrations can be detected. The layered rapid detection ofvarious gas concentrations in soil can be conducted, and the system can be used for precise facility agricultural and ecological environment investigation.

Description

technical field [0001] The invention belongs to the technical field of soil quality evaluation, and in particular relates to a layered rapid detection system for gas concentration in soil pores. Background technique [0002] Different plants have different requirements for the concentration, quantity and soil depth of oxygen in the soil pores due to their different root penetration depths, root morphology, structure and physiological characteristics. At present, in agricultural or ecological surveys, there is a lack of a layered rapid detection system for the concentration of oxygen, carbon dioxide and other gases in the soil around plant roots. Investigation and research are restricted. Contents of the invention [0003] Aiming at the defects and deficiencies in the prior art, the present invention provides a layered rapid detection system for gas concentration in soil pores, which overcomes the lack of a layered rapid detection system specifically for the concentration ...

Claims

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Application Information

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IPC IPC(8): G01N1/22G01N33/00
CPCG01N1/2294G01N33/0009
Inventor 李元曹小曙牛文全刘占锋陈秦段晓辉蔡锡安
Owner SHAANXI NORMAL UNIV
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