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Dynamic pressure-bearing device for simulating reaction process of PRB medium in deep groundwater

A medium reaction and pressure-bearing device technology, applied in the direction of measurement devices, surface/boundary effects, suspensions and porous materials analysis, can solve problems such as system instability, maintain stability, reduce disturbance, and avoid environmental secondary Effects of pollution and waste of energy

Pending Publication Date: 2022-05-06
ZHENGZHOU UNIV +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The existing commonly used high-pressure reaction vessels are mostly in a closed state, and there is no inflow and outflow of substances during the entire reaction process. If sampling and monitoring are required during the reaction process, the high-pressure environment and chemical reaction state of the reactor will inevitably be broken, resulting in system failure. stable

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  • Dynamic pressure-bearing device for simulating reaction process of PRB medium in deep groundwater
  • Dynamic pressure-bearing device for simulating reaction process of PRB medium in deep groundwater
  • Dynamic pressure-bearing device for simulating reaction process of PRB medium in deep groundwater

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with accompanying drawing.

[0026] like figure 1 As shown, the present invention is a dynamic pressure-bearing device for simulating the PRB medium reaction process in deep groundwater, including three parts: a conveying booster system A, a medium reaction and sampling system B, and a waste water recovery and storage system C. The water booster system A includes a water storage tank 1, a booster pump 2, a check valve 3 and a third decompression valve 26 connected in sequence; the medium reaction and sampling system B includes a pressure-bearing column 15, six reaction columns 7 and Six sets of decompression drainage devices. Since each group of reaction columns and decompression drainage devices have the same size and similar assembly methods, only one group of reaction columns and decompression drainage devices are described here. The wastewater recovery and storage system C includes a wastewater t...

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Abstract

The invention discloses a dynamic pressure-bearing device for simulating the reaction process of a PRB medium in deep groundwater, the dynamic pressure-bearing device comprises a water delivery pressurization system, a medium reaction and sampling system and a wastewater recovery and storage system, and the water delivery pressurization system is formed by connecting a water storage tank, a booster pump, a check valve, a pressure reducing valve and a pressure-bearing pipeline; the medium reaction and sampling system consists of a pressure-bearing column, six reaction columns and six groups of decompression drainage devices; the pressure reducing drainage device is formed by connecting a pressure reducing valve and a ball valve; and the wastewater recovery and storage system consists of a wastewater temporary storage pool, a water suction pump, a water level controller and a wastewater storage pool. The device has the advantages of being simple, stable and detachable, a user can appropriately increase or reduce the number of the reaction columns and the number of the pressure reduction drainage devices according to the number of types of media needing to be simulated, and simulation of the reaction process of six PRB media and pollutants can be achieved at most at a time.

Description

technical field [0001] The invention relates to a test device, in particular to a dynamic pressure bearing device for simulating the reaction process of PRB medium in deep groundwater, which is suitable for simulating the reaction process of PRB medium and pollutants in tens of meters deep groundwater and pressurized water layers. Background technique [0002] Nowadays, the problem of environmental pollution is becoming more and more serious. Surface pollutants gradually migrate vertically to the saturated water zone through osmosis, and even enter the confined water layer, seriously threatening the ecology and drinking water safety. Because groundwater pollution has the characteristics of concealment, complex chemical composition, variable hydraulic characteristics, and high treatment costs, the pollution problems of saturated water zone and confined water pollution need to be solved urgently. The permeable reactive wall (PRB) technology is a convenient, low-cost, and eco-f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N13/04G01N15/08
CPCG01N13/04G01N15/0806
Inventor 高镜清刘小邦高健磊陈勇潘志恒李强黄真真宋勃震
Owner ZHENGZHOU UNIV
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