A method for repairing the seepage of the anti-seepage membrane of the adjustment pool under the condition of no drainage

Abstract

The invention discloses a method for repairing seepage of an impermeable membrane of a regulating reservoir under a non-drainage condition. The method comprises the steps of tying slipknots on a bentonite blanket of a certain size by a rope, placing the bentonite blanket under a pontoon, moving the pontoon to the position above a seepage point located by a GPS, sinking the bentonite blanket to the seepage point area at the bottom of the regulating reservoir, and repairing seepage of the impermeable membrane of the regulating reservoir under the non-drainage condition. According to the method, high time and economic cost due to drainage of the regulating reservoir is avoided, accidental damage to the impermeable membrane is also avoided, and the possibility of omission of manual searching is avoided.

Description

technical field [0001] The invention relates to the detection and repair technology of an anti-seepage system in the field of solid waste environmental protection storage, in particular to a method for repairing the leakage of the anti-seepage membrane of a regulating pool under the condition of no drainage. Background technique [0002] Regulatory pool is an indispensable part of industrial waste dump or domestic waste landfill, which plays the role of backwater, flood storage, flood discharge and flood control. Above 5 meters. Water transported to industrial slag storage or domestic waste landfills generally has a high level of pollutants and is often referred to as process water. In order to prevent process water leakage and pollution from entering soil and groundwater, process water adjustment tanks usually need to be paved with anti-seepage membranes for anti-seepage treatment. Due to reasons such as design, operation, construction or accidental damage, the anti-seepa...

AI Technical Summary

Problems solved by technology

[0004] (1) After locating the seepage point of the anti-seepage membrane, the existing technology needs to drain the process water in the regulating tank by draining. This process takes a lot of time, sometimes as long as several months, and the cost and time during the period are huge;

[0005] (2) After drainage, silt and sediments of different thicknesses are often accumulated at the bottom of the regulating tank. Due to the difficulty of mechanical operation on the anti-seepage membrane, manual dredging can only be used

The low efficiency of manual work results in longer time and higher cost for the sludge at the bottom of the pond and its transfer;

[0006] (3) The location range of the leakage point is sometimes large, reaching tens of square meters. When looking for the damaged point of the impermeable membrane with the naked eye within this range, it is easy to miss some small damages;

[0007] (4) The surface of the anti-seepage membrane at the bottom of the pool needs to be dried in the sun. Only when the anti-seepage membrane is dry can the welding of the anti-seepage membrane be carried out, which is greatly affected by the weather;

[0008] (5) After completing the above work steps, especially in the process of clearing the sludge at the bottom of the pool, it is easy to cause new damage to the anti-seepage membrane when working on the fragile anti-seepage membrane

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