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Soil fumigation capsule, fumigation extraction device and fumigation extraction process

A soil and capsule technology, which is applied in the fields of soil bioscience and soil remediation, can solve problems such as the impact on the health of operators, the environment, and risks, so as to reduce the potential environment and health risks of operators, overcome fragility and damage, and reduce workload effect

Inactive Publication Date: 2018-05-04
NORTH CHINA INST OF AEROSPACE ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the toxicity of most soil fumigants, if they are directly discharged into the air without treatment, it will cause environmental risks. The traditional fumigation and extraction process is mainly divided into two processes. 1. Use vacuum desiccant to fumigate the soil Cultivate, 2, remove the fumigant, take out the fumigation soil, add the extraction agent for shaking extraction
The operation steps are cumbersome, and the fumigant may still be incompletely removed, which will affect the health of the operators

Method used

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  • Soil fumigation capsule, fumigation extraction device and fumigation extraction process
  • Soil fumigation capsule, fumigation extraction device and fumigation extraction process

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Embodiment Construction

[0020] Such as figure 1 As shown, the soil fumigation capsule according to the embodiment of the present invention includes a cylindrical housing 10, and the openings at both ends of the housing 10 are respectively sealed and connected with airtight pistons 11 to form an airtight structure. Linkage realizes self-locking and cannot be opened at the same time. Inside the housing 10, a loam cake 12, an upper and lower lid seal 13, and a water-permeable and breathable bottom lining 14 are provided. The upper and lower cover seals are located between the upper cover and the water-permeable and breathable underlayment, and a space 15 for accommodating soil is formed between the upper and lower cover seals and the water-permeable and breathable underlayment.

[0021] A soil holding container is arranged in the soil holding space.

[0022] Such as figure 2 As shown, the soil fumigation and extraction device of the present invention includes several soil fumigation capsules 1, a rot...

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Abstract

The invention discloses a soil fumigation and digestion device. The device comprises multiple soil fumigation capsules, a rotary frame, an air-blowing and fluid injection system, a vacuum system and vibration fluid collection vessels, the air-blowing and fluid injection system conducts air blowing and fluid injection on a sealed piston at the top of each soil fumigation capsule, the vacuum system conducts vacuumization on a sealed piston at the bottom of each soil fumigation capsule, the soil fumigation capsules are installed on the rotary frame side by side and connected through pipes, each pipe is provided with an independent valve, and each capsule can be assembled and disassembled without influencing running of the whole system. By means of the technical scheme of the soil fumigation and digestion device, soil fumigation and digestion efficiency is improved, potential environmental risks and operator health risks caused by fumigant are decreased, working load of performing conventional soil fermentation and digestion is greatly lowered, the fumigant can be recycled, and part of fumigant can be reutilized through extraction and purification. Meanwhile, the invention provides a soil fumigation and digestion device and a soil fumigation and digestion process.

Description

technical field [0001] The invention relates to the technical fields of soil bioscience and soil restoration, in particular to a soil fumigation capsule, a fumigation extraction device and a fumigation extraction process. Background technique [0002] Soil fumigation and extraction treatment is a common operation step before soil testing such as soil science research, soil quality diagnosis and soil restoration effect judgment. Since the invention of this method by British soil biologist Philip C Brookes in 1985, it has been used to measure soil microbial biomass. , many soil microbiologists have used this method to conduct scientific research, and tens of thousands of soil science research reports have been published in scientific journals from different countries. However, due to the toxicity of most soil fumigants, if they are directly discharged into the air without treatment, it will cause environmental risks. The traditional fumigation and extraction process is mainly ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/28
CPCA01B79/00A01M17/00A01M17/002
Inventor 李晓亮
Owner NORTH CHINA INST OF AEROSPACE ENG
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