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Polluted soil in-situ heating equipment based on solar energy

A technology of polluted soil and heating equipment, applied in the restoration of polluted soil, etc., can solve the problems of many auxiliary facilities, high energy consumption, and high lower limit of heating temperature

Inactive Publication Date: 2022-04-12
北京市科学技术研究院资源环境研究所
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] At present, there are relatively few in-situ soil heating equipment in China, and the existing equipment requires many auxiliary facilities, high energy consumption, and a high lower limit of heating temperature

Method used

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  • Polluted soil in-situ heating equipment based on solar energy
  • Polluted soil in-situ heating equipment based on solar energy

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Embodiment Construction

[0030] The principles and features of the present invention are described below, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0031] Such as Figure 1-Figure 2 As shown, this embodiment provides an in-situ heating device for polluted soil based on solar energy, including an in-situ heating pipe 1 and a heat medium system. The in-situ heating pipe 1 includes a heating fitting, a heating pipe 2 and a plug 3, The lower end of the heating fitting is detachably connected to the plug 3, and the heating fitting includes at least one heating section 4 and at least one insulating section 5, at least one heating section 4 and at least one insulating section 5 connected to form a tubular structure, the heat medium inlet end and the heat medium outlet end of the heating pipe 2 are located outside the upper end of the heating fitting, and communicate with the heat medium system, and the middle par...

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Abstract

The invention relates to polluted soil in-situ heating equipment based on solar energy, and relates to the technical field of environmental governance and remediation.The in-situ heating pipe comprises a heating assembly, a heating pipeline and a plug, the lower end of the heating assembly is detachably connected with the plug, and the heating assembly comprises at least one heating section and at least one heat insulation section; the at least one heating section and the at least one heat insulation section are connected to form a tubular structure, and the middle of the heating pipeline is located in the heating assembly. The device has the beneficial effects that the depth and the number of the heating sections can be adjusted, depth-keeping heating can be conducted on underground soil or water, the heat insulation sections are made of heat insulation materials, heat of the heating pipelines in the heat insulation sections does not leak out, and energy waste caused by full-depth heating of the underground soil or water is avoided. The whole set of equipment is high in integration level, low in energy consumption, high in heating efficiency and convenient to disassemble, assemble and transport, and can operate in a single system, and soil in-situ heating is achieved without huge and complex auxiliary facilities.

Description

technical field [0001] The invention relates to the technical field of environmental treatment and restoration, in particular to an in-situ heating device for polluted soil based on solar energy. Background technique [0002] The invention relates to the treatment of volatile organic compound-contaminated soil and groundwater, in particular to the fields of in-situ remediation of volatile organic-contaminated soil and groundwater and microbial in-situ remediation, and can also be used in thermal desorption and biological pile technologies for ex-situ remediation of polluted soil. [0003] With the continuous improvement of industrial modernization, large and medium-sized cities have left a large number of polluted sites, and the degree of soil and groundwater pollution has been paid more and more attention. VOCs (volatile organic compounds), volatile organic compounds are the most common and high-risk pollutants in polluted sites, which have a serious impact on human health ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09C1/06
Inventor 王海见吴乃瑾李培中李翔荣立明张骥
Owner 北京市科学技术研究院资源环境研究所
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