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PRB indoor test device system capable of adjusting multiple influence factors

A technology of influencing factors and indoor experiments, applied in the direction of measuring devices, instruments, surface/boundary effects, etc., can solve the problems that the influence of water flow velocity cannot fully clarify the repair activity of PRB filling materials, etc.

Inactive Publication Date: 2020-06-12
HOHAI UNIV
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Problems solved by technology

[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a PRB indoor test device system with adjustable multi-influence factors, and to simulate and study the influence of the water flow velocity in the prior art on the reaction by means of an orthogonal test. It is clear that PRB filling materials have limited remediation activity and are rarely able to simultaneously simulate and study the mechanism of vertical flow diffusion and horizontal flow diffusion of pollutants in groundwater

Method used

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  • PRB indoor test device system capable of adjusting multiple influence factors
  • PRB indoor test device system capable of adjusting multiple influence factors
  • PRB indoor test device system capable of adjusting multiple influence factors

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Embodiment 1

[0023] Such as figure 1 , figure 2 , image 3 , Figure 4 As shown, a PRB indoor test device system that can adjust multiple influencing factors includes a bracket, an air pressure adjustment system, an adjustable fixed head sewage water storage device, and a sewage repair device. The air pressure regulating system includes an air compressor 1, a pressure regulating valve 2, an exhaust pressure gauge and an exhaust pipeline 4. The air compressor 1 is fixed on the U-shaped bracket 3, and the air compressor 1 connects with the adjustable constant water head through the exhaust pipeline 4. The sewage water storage device is connected; the sewage water storage device with adjustable fixed water head is mainly composed of a sewage water inlet pipe 5, a sewage control valve 6, a sewage water storage bottle 7, an air inlet pipe 8 and an air inlet water outlet flower pipe 9. The sewage water inlet pipe 5 is set in the sewage On the side wall of the water storage bottle 7, the sewa...

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Abstract

The invention discloses a PRB indoor test device system capable of adjusting multiple influence factors. The PRB indoor test device system comprises an air pressure adjusting system, an adjustable constant water head sewage storage device and a sewage remediation device, one end of the adjustable constant water head sewage storage device is connected with the air pressure adjusting system, and theother end is connected with the sewage remediation device; the sewage remediation device comprises a thermal insulation material filling box; a vertical water tank and a horizontal water tank are arranged in the thermal insulation material filling box; the vertical water tank and the horizontal water tank are connected in a crossed mode; and the joint of the vertical water tank and the horizontalwater tank is filled with a PRB wall body. According to the test device, various influence factors in the groundwater pollution remediation process are considered, a systematic, comprehensive and adjustable multi-factor indoor test model is provided, and different influence factors can be subjected to a combined test through an orthogonal test, so that related conclusions and rules are obtained.

Description

technical field [0001] The invention relates to a test device system for the research on the migration law of pollutants in groundwater and the restoration technology, in particular to a PRB indoor test device system capable of adjusting multiple influencing factors. Background technique [0002] Groundwater accounts for a huge proportion of human production and living water, which is closely related to human health. With the development of society, the environment and water safety are getting more and more attention. The country has issued a series of laws and regulations and invested a lot in the restoration of groundwater pollution. funds. The current repair methods mainly include: adsorption separation technology, extraction-treatment technology, activation and extraction technology, biological rinse technology, etc. Permeable Reactive Barrier (PRB) technology is an in-situ repair technology, because of its It has the advantages of low operating cost, convenient installa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N13/00
CPCG01N13/00
Inventor 孟雪王锦国
Owner HOHAI UNIV
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