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A soil deep mixing process and device for in-situ remediation of organic pollution

A deep stirring and in-situ repair technology, applied in the field of soil repair, can solve problems such as poor repair effect, and achieve the effects of fast dispersion, uniform dispersion and convenient operation.

Active Publication Date: 2022-06-07
云南天朗环境科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, some soil remediation agents are used to remediate benzene-series polluted soil, but there is a problem of poor remediation effect

Method used

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  • A soil deep mixing process and device for in-situ remediation of organic pollution
  • A soil deep mixing process and device for in-situ remediation of organic pollution
  • A soil deep mixing process and device for in-situ remediation of organic pollution

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] The soil deep mixing process for in-situ remediation of organic matter pollution includes the following steps:

[0044] A. Select the plot to be processed, mark the position of the mixing hole, and set the misalignment between two adjacent rows of mixing holes;

[0045] B. Use the stirring pile to pre-stir and sink the position of the stirring hole, the sinking depth is 2m, and then spray the repair agent into the hole, and continuously stir and rise the stirring pile to the hole opening during the spraying process; then stir and sink to the bottom of the hole , then stir up to the orifice, and repeat the stirring down, stirring up;

[0046] C. Then remove the stirring pile and clean the stirring pile, and then follow step B to operate on the next stirring hole position until all the stirring hole positions are processed.

Embodiment 2

[0048] The soil deep mixing process for in-situ remediation of organic matter pollution includes the following steps:

[0049] A. Select the plot to be processed, mark the position of the mixing hole, and set the misalignment between two adjacent rows of mixing holes;

[0050] B. Use the stirring pile to pre-stir and sink the position of the stirring hole, the sinking depth is 10m, and then spray the repair agent into the hole, and continuously stir and rise the stirring pile to the hole opening during the spraying process; then stir and sink to the bottom of the hole , then stir up to the orifice, and repeat the stirring down, stirring up;

[0051] C. Then remove the stirring pile and clean the stirring pile, and then follow step B to operate on the next stirring hole position until all the stirring hole positions are processed.

Embodiment 3

[0053] The soil deep mixing process for in-situ remediation of organic matter pollution includes the following steps:

[0054] A. Select the plot to be processed, mark the position of the stirring hole, and set the misalignment between two adjacent rows of stirring holes, and the stirring hole is 5~6 holes / m 2 ;

[0055] B. Use the stirring pile to pre-stir and sink the position of the stirring hole, the sinking depth is 6m, and then spray the repair agent into the hole, and continuously stir and rise the stirring pile to the hole opening during the spraying process; then stir and sink to the bottom of the hole , then stir up to the orifice, and repeat the stirring down, stirring up;

[0056] C. Then remove the stirring pile and clean the stirring pile, and then follow step B to operate on the next stirring hole position until all the stirring hole positions are processed.

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Abstract

The invention discloses a soil deep mixing process for in-situ restoration of organic matter pollution, which includes the steps of marking the stirring hole, pre-stirring sinking, spraying and stirring up, stirring sinking and stirring up; the process of the invention has the advantages of fast dispersion of repairing agents , The advantages of uniform dispersion, efficient soil remediation, especially suitable for benzene, benzo(a)pyrene and other organic pollution in the deep soil. The invention also discloses a device for soil deep mixing process for in-situ restoration of organic matter pollution, including a machine frame, a stand, a vertical guide rail, a hoist, a restoration agent bucket, a delivery pump, a delivery hose, a lifting box, a stirring Pile driving mechanism, stirring pile, guide sleeve, observation camera, laser light, and control device; the device of the present invention cooperates with the structure of the repair agent nozzle on the two stirring piles, which can realize spraying repair agent while stirring; the winch cooperates with the vertical The guide rail further realizes the lifting and stirring function; the guide sleeve stabilizes the stirring pile and repairs the role of the chemical nozzle.

Description

technical field [0001] The invention belongs to the technical field of soil remediation, and in particular relates to a deep soil mixing process and device for in-situ remediation of organic matter pollution. Background technique [0002] Organic pollutants in soil are a large category of pollutants. Although organic pollutants are not as serious as heavy metal pollutants, their impact on agricultural products and human health has been highlighted. At the same time, with the acceleration of urbanization and industrialization, soil organic pollution near cities and industrial areas has become increasingly serious. Among organic pollutants, diseases and environmental hazards caused by benzene series pollutants are not uncommon. In the prior art, some soil remediation of benzene series pollutants is carried out by mixing and applying soil remediation agents, but there is a problem of poor remediation effect. Therefore, it is very necessary to develop a soil deep mixing proces...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B09C1/08
Inventor 王继能周敬尧付立群张根生刘缘缘张庆东袁晓红史花丽吴小丽
Owner 云南天朗环境科技有限公司
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