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In-situ injection device and process for strengthening groundwater pollution remediation

A groundwater pollution and injection device technology, which is applied in the treatment of polluted groundwater/leachate, water/sewage treatment, water/sludge/sewage treatment, etc. The effect of improving migration speed and speeding up reaction speed

Active Publication Date: 2020-09-25
HUNAN HENGKAI ENVIRONMENT TECH INVESTMENT CO LTD
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Problems solved by technology

[0005] Based on the objective needs in this field, the present invention provides an in-situ injection device and process for strengthening the restoration of groundwater pollution, which fully utilizes the groundwater dynamics method to solve the problems of well layout spacing, chemical migration speed in groundwater, and collaborative restoration of porous media pollution. question

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  • In-situ injection device and process for strengthening groundwater pollution remediation
  • In-situ injection device and process for strengthening groundwater pollution remediation
  • In-situ injection device and process for strengthening groundwater pollution remediation

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Embodiment 1

[0093] Below in conjunction with example the present invention is described in further detail.

[0094] Taking the in-situ chemical oxidation restoration of organic matter polluted groundwater as an example, according to the previous pumping test, the maximum influence radius is calculated to be 245 meters, and the average groundwater migration speed measured by the tracer test is 3.5 meters per day. Under the pumping condition, the average groundwater migration speed 31 meters per day, the strong effective time of the agent in water is at least 3 days as measured by the test, and the influence radius of the in-situ chemical oxidation is calculated to be 10.5 to 93 meters. Considering the treatment effect, construction period, and cost factors comprehensively, the influence radius of in-situ chemical oxidation is set to 20 meters, and the well spacing is determined to be 20 meters.

[0095] The maximum radius of influence R > the product X1 of the average groundwater migration...

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Abstract

The invention discloses an in-situ injection device and process for strengthening groundwater pollution remediation, and belongs to the technical field of groundwater pollution remediation. The devicecomprises a medicament conveying unit and a multi-unit in-situ well group; the multi-unit in-situ well group comprises at least one pumping well and a plurality of injection wells; the plurality of injection wells are distributed around the pumping well; the distance between the pumping well and the injection wells and the distance between every two injection wells are well spacing; the well spacing satisfies the following conditions: V1*T>well spacing>V2*T; a water pumping component is arranged in the water pumping well and can pump out underground water in the well; the water outlet of thewater pumping component is connected with the water inlet of the water conveying pipeline; the water outlet of the water conveying pipeline is communicated with the wellhead of the injection well; themedicament conveying unit comprises a medicament conveying pipeline, the medicament outlet of the medicament conveying pipeline is communicated with the wellhead of each injection well; and an electromagnetic valve capable of controlling opening and closing of the medicament conveying pipeline is arranged on the medicament conveying pipeline. The device and process can effectively strengthen groundwater pollution remediation.

Description

technical field [0001] The invention belongs to the technical field of groundwater pollution restoration, and in particular relates to an in-situ injection device and process for strengthening groundwater pollution restoration. Background technique [0002] Groundwater remediation refers to the use of physical, chemical or biological methods to utilize the self-adaptive, self-organizing, self-adaptive, self-organizing and On the basis of regulating functions, the main functions of the water body environmental system are repaired and strengthened, and the water body is partially or completely restored to its original state. [0003] According to the data released by the China Institute of Geological and Environmental Monitoring, the pollution of groundwater in my country is developing from point to surface, from shallow to deep, from urban to rural areas, and the pollution of groundwater is getting worse. When the state conducts groundwater investigation and evaluation, it p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/00C02F103/06
CPCC02F1/00C02F2103/06
Inventor 毛永强邢汉君李晶冉启洋邹先军聂芳
Owner HUNAN HENGKAI ENVIRONMENT TECH INVESTMENT CO LTD
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