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A soil remediation device for removing organochlorine pesticide components in farmland soil

A pesticide ingredient and soil remediation technology, which is applied in the field of soil remediation, can solve the problems of high strain screening conditions, numerous influencing factors, complex technology, etc., and achieve the effect of low design and construction cost, good treatment effect, and reduced treatment energy consumption

Active Publication Date: 2018-11-06
博川环境修复(北京)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] At present, the existing microbial degradation technology of organochlorine pesticides has disadvantages such as low efficiency, complex technology, high requirements for strain screening conditions, many influencing factors, and high cost.

Method used

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  • A soil remediation device for removing organochlorine pesticide components in farmland soil
  • A soil remediation device for removing organochlorine pesticide components in farmland soil

Examples

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Embodiment Construction

[0020] like figure 1The shown soil remediation device for removing organochlorine pesticide components in farmland soil, the system includes 1-raw soil hopper, 2-blast sorter, 3-vibrating screener, 4-magnetic screener, 5-grinding pulverizer , 6-thermal desorption-plasma cracking reactor, 7-waste heat exchanger, 8-water washing and purification tower, 9-induced fan, 10-adjustable spray tower, 11-waste heat dryer, 12-restoration soil storage etc.; among them, the farmland soil containing organochlorine pesticide components to be repaired is stored in the original soil hopper 1, where it is collected centrally and the preliminary stabilization process is completed, and the soil to be repaired in the original soil hopper 1 is transported by a screw elevator conveyor To the blast separator 2, where low-density and large-volume debris such as plastics and papers in the soil are removed. The outlet of the blast separator 2 is connected to the vibrating screening machine 3 through a c...

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Abstract

The invention discloses a soil restorationdevice for removing organochlorine pesticide ingredients in farmland soil.The system comprises an original soil hopper, a blasting and screening machine, a vibrating screen classifier, a magnetic screening machine, a grinding and crushing machine, a thermal desorption-plasma pyrolysis reactor, a waste heat exchanger, a washing and purifying tower, an induced draft fan, an adjustable spray tower, a waste heat drier and a repaired an oil storage cabin.According to the soil repairing device, the characteristic that organochlorine pesticide ingredients absorbed by soil can be detached and desorbed after being heated is creatively utilized, the organochlorine pesticide ingredients are volatilized into air in the form of vapor, then the vapor is introduced into high temperature plasma flame, the catalytic cracking effect special for the high temperature plasma flame is utilized, and organochlorine pesticide molecular bonds are broken and split into small molecular substances and can be discharged after being purified; meanwhile soil obtained after thermal desorption-plasma pyrolysis purification treatment can be applied to agricultural production repeatedly.

Description

technical field [0001] The invention relates to a soil restoration device for removing organochlorine pesticide components in farmland soil, belonging to the field of soil restoration in environmental protection. Background technique [0002] Organochlorine pesticides are organic compounds that contain organochlorine elements in the components used to prevent and control plant diseases and insect pests. The main components are two types that use benzene as raw material and cyclopentadiene as raw material. The former, such as the earliest and most widely used insecticides DDT and HCH, as well as the acaricides dicofol, dicofol, etc., and the fungicides pentachloronitrobenzene, chlorothalonil, Daofengning, etc.; the latter Such as chlordane, heptachlor, and aldrin as pesticides. In addition, camphene-based insecticides based on turpentine, toxaphene, and bornyl chloride based on terpenes also belong to organochlorine pesticides. [0003] Organochlorine pesticides play an imp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B09C1/00B09C1/02B09C1/06F23G7/07
CPCB09C1/00B09C1/02B09C1/065F23G7/07
Inventor 陈杰
Owner 博川环境修复(北京)有限公司
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