Volatile organic contaminated site remediation system

A volatile organic and site remediation technology, applied in the restoration of contaminated soil, water pollutants, water/sludge/sewage treatment, etc., can solve problems such as poor restoration effect

Pending Publication Date: 2020-06-16
ZHONGKE DINGSHI ENVIRONMENTAL ENG CO LTD
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Problems solved by technology

[0005] Therefore, the present invention provides a volatile organic polluted site remediation system, which can effectively solve the problem that traditional in-situ aeration has poor remediation effect on heterogeneous polluted sites; and the system can simultaneously remediate underground aquifers and vadose zone to realize the overall remediation of the polluted site

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  • Volatile organic contaminated site remediation system
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Embodiment Construction

[0023] Some specific embodiments of the present invention will be described in detail below in an exemplary and non-limiting manner with reference to the accompanying drawings. The same reference numerals in the drawings designate the same or similar parts or parts. It should be understood by those skilled in the art that these drawings are not necessarily drawn to scale.

[0024] like figure 1 , figure 2 As shown, the present invention provides a volatile organic pollution site remediation system, which mainly includes: a controllable aeration system, a multiphase extraction system and a pollutant treatment system, wherein:

[0025] The controllable aeration system mainly includes several aeration wells 9, the bottom of the aeration well 9 is sealed, and the top nozzle is sealed with a flange and a silica gel pad. A corresponding number of aeration heads 7, and the aeration well 9 corresponds to each aeration head 7 is provided with a flower tube section 8 with a sieve ho...

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Abstract

The invention provides a volatile organic contaminated site remediation system comprising a controllable aeration system, a multiphase extraction system and a pollutant treatment system; the controllable aeration system mainly comprises a plurality of aeration wells, a plurality of aeration heads are arranged in different depth areas in the aeration wells, a floral tube section is arranged at eachaeration head, the aeration heads are communicated to an air compressor on the ground through electromagnetic valves, and the electromagnetic valves are connected with a central control system; the multiphase extraction system comprises multiphase extraction wells arranged in the centers of the plurality of aeration wells. According to the invention, the electromagnetic valves are controlled by the central control system to indirectly control the opening and closing of the aeration heads in the wells, so that the purpose of controlling the aeration depth, the aeration time and the aeration sequence is achieved, organic pollutants in different stratums are subjected to targeted circulating aeration or aeration on a certain underground layer, and pollutants in heterogeneous stratums can betreated; and through combined application of in-situ aeration and multiphase extraction, the purpose of integrally repairing a polluted aeration zone and a water-containing layer in the field is achieved.

Description

technical field [0001] The invention relates to the field of contaminated site remediation engineering, in particular to a system and method for remediating a contaminated site with heterogeneous formations. Background technique [0002] In recent years, with my country's economic and social development and the optimization of industrial structure, various places have gradually begun to transform the functions of urban areas and adjust the layout of urban areas. A large number of chemical plants and pesticide plants have been relocated out of the central area of ​​the city, leaving a large amount of volatile organic pollution in the city. site. Most of these organically polluted sites have complex strata, deep pollution, and various types of pollutants, and there are many sensitive points around them. If they are not treated or repaired, they will pose a great threat to the surrounding ecological environment and human health. [0003] Among many site remediation technologies...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09C1/00C02F3/02B01D53/04C02F101/30
CPCB01D53/04B09C1/00B09C1/002B09C1/005B09C2101/00C02F3/02C02F2101/30Y02W10/10
Inventor 高卫国常玉虎郭超张骞王伟关峰杨晓智李宏伟
Owner ZHONGKE DINGSHI ENVIRONMENTAL ENG CO LTD
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