River-lake pollution bottom mud in-situ quantity reduction pollution cleaning device based on pore water guide discharging

A technology for polluting sediment and pore water, applied in water/sludge/sewage treatment, water pollutants, dehydration/drying/thickened sludge treatment, etc., can solve problems that do not involve separation and removal of sediment pollutants, EKG protection Board insertion and removal are cumbersome, affecting the waterproof and sealing performance of the device, etc., to achieve the effects of efficient collection of pore water, low power consumption, and strong working ability

Pending Publication Date: 2018-03-02
CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
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AI Technical Summary

Problems solved by technology

[0005] The inventor found through research in the process of realizing the present invention: the existing river and lake bottom mud in-situ repair device or technology based on pore water drainage has relatively large deficiencies: (1) focus on suppressing pores by dredging or in-situ covering release of water pollution instead of directly separating and removing pore water from the sediment medium as a pollution source, so the total amount of endogenous pollution is reduced; (2) develop a pore water sampler with a screen and a ceramic head, although it can Separation of pore water, but the amount is small, the efficiency is low, and does not involve the separation and removal of sedime

Method used

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  • River-lake pollution bottom mud in-situ quantity reduction pollution cleaning device based on pore water guide discharging
  • River-lake pollution bottom mud in-situ quantity reduction pollution cleaning device based on pore water guide discharging
  • River-lake pollution bottom mud in-situ quantity reduction pollution cleaning device based on pore water guide discharging

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Embodiment Construction

[0029] The technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention.

[0030] see figure 1 and figure 2 One of the embodiments of the in-situ reduction and decontamination device for river and lake polluted sediment based on pore water drainage in the present invention includes a DC stabilized power supply 4, a liquid collection bucket 7, a peristaltic pump 6, an electric dehydration and decontamination electrode 3, an electric The dehydration and decontamination electrode 3 is connected with a DC stabilized voltage power supply 4 and a peristaltic pump 6 . The electric dehydration and decontamination electrode 3 includes a T-shaped handle 3-8, a waterproof wire sleeve 3-6, an overlying water isolation cover 3-7, a perforated plexiglass plate 3-2, a water-conducting electrode plate 3-1, and a filter screen 3 -3, pore water storage 3-4, pore water drainage conduit 3-5.

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Abstract

The invention provides a river and lake pollution bottom mud in-situ quantity reduction pollution cleaning device based on pore water guide discharging. The device comprises a direct current voltage stabilizing power supply, a peristaltic pump and electric dewatering pollution cleaning electrodes, wherein the two electric dewatering pollution cleaning electrodes are in relatively parallel arrangement and are inserted into bottom mud; each electric dewatering pollution cleaning electrode comprises a water guide electrode plate, porous organic glass plates arranged at the two sides of the waterguide electrode plate, a filtering screen arranged at the outer side of the porous organic glass plate, and an upper water covering isolation cover covering the water guide electrode plate; a verticalwater guide groove and a metal conducting wire connected with the direct current voltage stabilizing power supply are arranged on each water guide electrode plate; the bottom of each water guide electrode plate is provided with a pore water storage device communicating with the corresponding water guide groove; each pore water storage device is connected with a pore water outwards discharging guide pipe which is connected with the peristaltic pump. The lake pollution bottom mud in-situ quantity reduction pollution cleaning device has the advantages that the field work capability is high; thein-situ separation and removal effect of bottom mud pollutants is good; the power consumption is low; the operation cost is low; the maintenance is simple; no chemical agent pollution and no solid waste are generated; the influence on the river and lake demersal ecological environment is small.

Description

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Claims

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Application Information

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Owner CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
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