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Comprehensive control method for underground water resource after being immersed by sea water

A technology of seawater intrusion and comprehensive treatment, applied in water/sewage treatment, water/sludge/sewage treatment, osmosis/dialysis water/sewage treatment, etc., to achieve the effect of increasing storage, increasing replenishment, and accelerating water quality renewal

Inactive Publication Date: 2003-08-06
孙继勇 +1
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Problems solved by technology

[0005] The purpose of the present invention is to solve the problem of seawater intrusion and the development and utilization of groundwater resources after seawater intrusion, use the existing hydraulic technology, cut off the channel of seawater intrusion, and purify and update the groundwater resources after seawater intrusion, to provide a seawater Comprehensive Management Method of Groundwater Resources after Invasion

Method used

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  • Comprehensive control method for underground water resource after being immersed by sea water
  • Comprehensive control method for underground water resource after being immersed by sea water

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Embodiment Construction

[0016] 1. Carry out a comprehensive survey of the topography and ground objects in the treatment area inside the coastline, and find out the mainstream position and direction of the Quaternary alluvial fan. This step can be based on the drilling data combined with the data of civil wells and irrigation electromechanical wells in the treatment area Comprehensive analysis is done to find the nearest residual hills on the left and right banks of the mainstream of the Quaternary alluvial fan. The residual hills are common in coastal areas, and the residual hills are connected by rock veins. With the help of residual hills, the interception of groundwater can be greatly reduced. The amount of work can achieve twice the result with half the effort;

[0017] 2. Take the line between the two residual mounds as the center line of the curtain grouting wall, and drill holes on the center line of the curtain grouting wall. The hole distance is 3-3.5 meters, the hole diameter is 119-219mm, ...

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Abstract

The comprehensive control and treatment method of underground water resource intruded by sea water includes the following steps: surveying the topography and its surface features of control area in overall; finding out the main stream position and direction of alluvial fan of the quaternary system, further finding out the monadnock within nearest distance of left and right banks of main stream position of quaternary system alluvial fan; using connecting line between two monadnocks as central line of grout curtain wall, curtain grouting is started from bedrock and grouting to sea level elevation; setting diversion dam on entrance of river in the control area; setting several sunk well with large gushing water on the main stream position of quaternary system allavial fan at up-stream side of curtain wall.

Description

technical field [0001] The invention belongs to a water quality renewal and purification treatment method for groundwater, in particular to a comprehensive treatment method for groundwater resources after seawater intrusion. Background technique [0002] With the development of the economy, the human demand for water is increasing. Due to its good water quality, stable storage, and easy development and utilization, groundwater has become the main object of exploitation and utilization. For a long time, due to people's blind, unplanned, and unrestrained exploitation of groundwater, the balance in nature has been disrupted, which has caused a series of hazards, resulting in the decline of groundwater levels, and has developed from an allowable elastic decline to a permanent decline. , that is, a funnel of water level decline appears, and the long-term existence of the funnel area will cause the soil to shrink due to water shortage, form surface subsidence, lead to stratum sub...

Claims

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Application Information

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IPC IPC(8): C02F1/00C02F1/44E02B3/00E02B7/00
Inventor 孙继勇封作臣
Owner 孙继勇
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