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Automatic multi-parameter underground water environment layered monitoring well suitable for polluted site

A multi-parameter, groundwater technology, applied in the field of basic soil survey, analysis materials, measurement devices, etc., can solve the problems of layered monitoring wells that have not been automated, intelligent, and cannot be compatible with automated monitoring equipment, so as to improve the detection accuracy. , the effect of encryption detection frequency

Pending Publication Date: 2020-08-21
WUHAN CENT CHINA GEOLOGICAL SURVEY CENT SOUTH CHINA INNOVATION CENT FOR GEOSCIENCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main reason is that automatic monitoring equipment cannot be well integrated in the narrow underground space of single-pipe multi-layer monitoring well. In addition, the structure of one-hole multi-layer monitoring well cannot be well compatible with automatic monitoring equipment due to the working principle and structural design limitations.
[0007] As mentioned above, the stratified groundwater environment monitoring wells are not yet automated and intelligent, and there are still some technical difficulties

Method used

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  • Automatic multi-parameter underground water environment layered monitoring well suitable for polluted site
  • Automatic multi-parameter underground water environment layered monitoring well suitable for polluted site
  • Automatic multi-parameter underground water environment layered monitoring well suitable for polluted site

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] The automatic multi-parameter groundwater environment layered monitoring well suitable for polluted sites includes a drilling and a packer 13. The multilayer aquifer in the drilling is sealed by the packer 13, and an aquifer layered sampling device is arranged in the aquifer.

[0053] The aquifer stratified sampling device includes a first diversion pipe 4a, a first tee 5.1a, a first check valve 6.1a, a second check valve 6.2a, a first downhole gas drive mechanism 7a, a first pressure relief valve 8a, the first thread to NPT joint 9.1a, the second thread to NPT joint 9.2a, the first downhole storage container 10a, the third thread to NPT joint 9.3a, the third check valve 6.3a, and the first filtration dialysis Component 11a.

[0054] The first filtration and dialysis assembly 11a is connected to the third threaded NPT connector 9.3a through the third check valve 6.3a, and the third check valve 6.3a is one-way connected from bottom to top, that is, the third check valve ...

Embodiment 2

[0059] Automatic multi-parameter groundwater environmental monitoring wells for contaminated sites, such as figure 2 As shown, it includes a layered sampling device for aquifers, an in-situ automatic monitoring device for groundwater, and a real-time detection device for surface water quality. The specific connection methods are described below.

[0060] The groundwater automatic layered sampling device includes a layered sampling device for the first layer of aquifer and a layered sampling device for the second layer of aquifer arranged in the well, and a layered sampling device for the first layer of aquifer and a layered sampling device for the second layer of aquifer The devices are separated by a packer, and the two devices are separated by a packer 13 installed downhole to cut off the upper and lower hydraulic connections.

[0061] The layered sampling device for the first layer of aquifer includes a first diversion pipe 4a, a first tee 5.1a, a first check valve 6.1a, a...

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Abstract

The invention discloses an automatic multi-parameter underground water environment layered monitoring well suitable for a polluted site. A plurality of aquifers in a drilling well are packed by a packer, an aquifer stratified sampling device is arranged in each aquifer, the aquifer stratified sampling device comprises a first flow guide pipe, a first tee joint, a first check valve, a second checkvalve, a first underground gas drive mechanism, a first pressure release valve, a first threaded-to-NPT connector, a second threaded-to-NPT connector, a first underground flow storage container, a third threaded-to-NPT connector, a third check valve and a filtering dialysis assembly. According to the invention, automatic underground water environment layered monitoring, water quality multi-parameter automatic detection, staged and hierarchical customized underground water environment monitoring can be realized, good water sample representativeness is achieved, and the integration capacity is further improved. The automatic multi-parameter underground water environment layered monitoring well is suitable for underground water pollution investigation and monitoring in the field of site environment monitoring and the field of geological survey, and the dynamic change rule of underground water chemical properties along with time in the vertical three-dimensional space of a stratum is obtained.

Description

technical field [0001] The invention belongs to the technical field of pollution hydrogeology, and in particular relates to an automatic multi-parameter groundwater environment layered monitoring well suitable for polluted sites. Background technique [0002] Groundwater is a basic and important resource for natural ecosystems and human survival, and an important factor related to the evolution of the earth system and the survival of surface organisms. With the rapid economic development and increasing human activities, the pollution of groundwater in my country is becoming more and more serious, and the situation of ecological environment protection and restoration is grim. [0003] Groundwater pollution and ecological environment protection and restoration are inseparable from groundwater monitoring technology. Human activities have caused increasingly serious groundwater pollution, such as infiltration of landfill leachate, underground discharge or leakage of pollution s...

Claims

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Application Information

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IPC IPC(8): G01N1/14G01D21/02E02D1/02
CPCE02D1/027G01D21/02G01N1/14G01N2001/1031
Inventor 刘学浩黄旋陈征澳顾涛黄长生程功弼
Owner WUHAN CENT CHINA GEOLOGICAL SURVEY CENT SOUTH CHINA INNOVATION CENT FOR GEOSCIENCES
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