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Deep soil stirring process for in-situ remediation of organic pollution and device

An in-situ remediation and deep mixing technology, applied in the field of soil remediation, can solve problems such as poor remediation effect, and achieve the effects of fast dispersion, efficient soil remediation, and convenient operation

Active Publication Date: 2019-05-31
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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  • Deep soil stirring process for in-situ remediation of organic pollution and device
  • Deep soil stirring process for in-situ remediation of organic pollution and device
  • Deep soil stirring process for in-situ remediation of organic pollution and device

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 deep soil stirring process for in-situ remediation of organic pollution. The process includes the steps of marking stirring holes, pre-stirring and sinking, spraying pesticide and stirring and rising, stirring and sinking and stirring and rising. The process has the advantages of fast dispersion and even dispersion of the remediation agent, high soil remediation efficiency, so that the process is especially suitable for organic pollution in deep soil such as benzene, benzo (a) pyrene and the like. The invention further discloses a device for the deep soil stirring process for in-situ remediation of organic pollution, the device comprises a machine frame, a vertical frame, a vertical guide rail, a windlass, a remediation medicament barrel, a delivery pump, a delivery hose, a lifting box, a stirring pile driving mechanism, stirring piles, a guiding sleeve, an observation camera, laser lamps and a control device. According to the device, the two stirring piles are matched with the structure of a remediation agent spray pipe, so that the remediation agent can be sprayed while stirring; the windlass is matched with the vertical guide rail to further realize lifting and stirring functions; and the guiding sleeve stabilizes the stirring piles and repairs the function of the remediation agent spray pipe.

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 Applications(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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