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High-pressure steam thermal desorption repair system

A high-pressure steam and repair system technology, applied in the field of pollution repair systems, can solve the problems of difficult construction of reaction wall projects and no engineering cases, and achieve the effects of improving energy utilization efficiency, reducing construction difficulty, and improving treatment efficiency

Pending Publication Date: 2020-04-10
ZHONGKE DINGSHI ENVIRONMENTAL ENG CO LTD
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Problems solved by technology

[0002] CN107350278A provides an in-situ remediation system and method for synergistically removing organic pollutants in soil and groundwater. For groundwater pollution, a reaction wall must be used, and the construction of the reaction wall project is difficult, and there are almost no engineering cases in China

Method used

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Embodiment Construction

[0027] Such as figure 1 , figure 2 As shown, the present invention provides a high-pressure steam thermal desorption repair system, including an injection system and an extraction system, wherein:

[0028] The injection system includes a steam generator 1, a heat source 2, a preheating box 3, a high-pressure steam container 4, a high-pressure air pump 5, a steam nozzle 6, a pressure gauge 7, a flow meter 8 and an injection well 9, wherein:

[0029] The steam generator 1 can utilize the heat provided by the heat source 2 to heat water into high-pressure steam;

[0030] The heat source 2 can use fuel, electricity or other energy sources to provide heat for the steam generator 1;

[0031] The preheating box 3 is located upstream of the steam generator 1 and has a built-in heat exchanger 10, which can preheat the water entering the steam generator 1 through heat exchange;

[0032] The high-pressure steam container 4 is located downstream of the steam generator 1 and is used to...

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Abstract

The invention provides a high-pressure steam thermal desorption repair system which comprises an injection system and an extraction system. The injection system further comprises a steam generator, aheat source, a high-pressure steam container, a high-pressure air pump and injection wells. The extraction system further comprises an extraction fan, a water suction pump and extraction wells. The extraction wells are arranged at the central side positions of a plurality of injection wells, pollutants are naturally concentrated to the center by means of peripheral gas injection, central extraction and the effect of heat convection and then are collected and treated by the extraction system so that the construction of the reaction wall is avoided, the construction difficulty is reduced and thepollutant treatment efficiency is improved.

Description

technical field [0001] The invention relates to a pollution remediation system mainly aimed at VOCs and SVOCs with lower boiling points in soil and groundwater. Background technique [0002] CN107350278A provides an in-situ restoration system and method for synergistically removing organic pollutants in soil and groundwater. For groundwater pollution, a reaction wall must be used, but the construction of the reaction wall is difficult, and there are almost no engineering cases in China. Contents of the invention [0003] The main purpose of the present invention is to provide a high-pressure steam thermal desorption repair system, which does not require a reaction wall and reduces construction difficulty. [0004] In order to achieve the above object, the technical scheme adopted in the present invention is: [0005] A high-pressure steam thermal desorption repair system is characterized in that it includes an injection system and an extraction system, wherein: [0006] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09C1/06B09C1/00
CPCB09C1/065B09C1/002B09C2101/00
Inventor 张文王博艺吴伟佳殷晓东王海东杨勇黄海
Owner ZHONGKE DINGSHI ENVIRONMENTAL ENG CO LTD
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