Electro-osmosis sludge conditioner

Abstract

An electro-osmosis sludge conditioner comprises a conditioning groove, a feeding pipe, a water discharge pipe, a residue discharge pipe, an electrode plate slot, electrode plates and a direct-current power supply, wherein the feeding pipe is arranged at the lower part of the feeding end of the conditioning groove; the water discharge pipe is arranged at the upper part of the discharging end of the conditioning groove; the residue discharge pipe is arranged at the lower part of the discharging end of the conditioning groove; the electrode plate slot is arranged in the conditioning groove; the electrode plates are arranged vertically; two electrode plates are in one pair; multiple pairs of electrode plates are arranged in parallel and at intervals; each electrode plate is parallel to the flowing direction of sludge mixed liquid; each electrode plate is inserted into the electrode plate slot; and the direct-current power supply is connected with the electrode plate slot. The electrode plates are arranged in the conditioning groove along the liquid flowing direction by utilizing a electro-osmosis principle, the electrode plates generate an electrostatic filed under the action of direct-current voltage, the electrostatic field compresses a double electrode layer on the surface of the sludge particles and greatly reduce the zeta potential of the sludge particle surface layer so as to separate out non-free water in the sludge from the sludge particles and transform the non-free water into free water.

Description

technical field [0001] The invention relates to a sludge dehydration pretreatment device, in particular to an equipment for deep dehydration pretreatment of sludge by adopting the principle of electroosmosis. Background technique [0002] In the process of oil extraction, kitchen waste treatment, wastewater treatment, sewage treatment, sludge treatment, and dredging of rivers and lakes, deep dehydration pretreatment of sludge is required. Existing sludge deep dehydration pretreatment equipment mostly adopts chemical (dosing chemicals) or physical (heating, etc.) conditioning methods. Due to the limitation of non-free water in sludge, it is difficult for equipment using chemical or physical conditioning methods to provide deep dehydration. Sludge needs to be pretreated. Therefore, with the large increase in the output of various types of sludge in our country, there is an urgent need for a conditioning equipment that can provide pre-treated sludge for deep dehydration, in or...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide an electroosmotic sludge conditioner, to solve the existing various chemical conditioning methods need to add a large amount of chemical agents, and can not solve the technical problems of non-free water removal; and solve the existing physical conditioning way requires a lot of energy

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