Double-stage dynamic microelectrolyzing device

A technology of dynamic micro-electrolysis and micro-electrolysis cell, which is applied in water/sewage multi-stage treatment, water/sewage treatment, water/sludge/sewage treatment, etc. The problem of high power consumption of the electrolysis device achieves the effects of reduced power consumption and operating costs, less equipment investment, and low failure rate

Inactive Publication Date: 2011-04-06
CHINA NORTH ENERGY CONSERVATION & ENVIRONMENT PROTECTION
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Problems solved by technology

[0007] The purpose of the present invention is to propose a two-stage dynamic micro-electrolysis device in order to solve the problems of easy blockage of the iron-carbon internal electrolysis device in the prior art and high power consumption of the drum iron-carbon internal electrolysis device

Method used

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Embodiment

[0027] A two-stage dynamic micro-electrolysis device, comprising a primary micro-electrolysis cell and a secondary micro-electrolysis cell; the primary micro-electrolysis cell and the secondary micro-electrolysis cell are connected in series; between the primary micro-electrolysis cell and the secondary micro-electrolysis cell Acid is added to the series pipeline;

[0028] The above-mentioned first-level micro-electrolytic cell is fed into air during work, and the filler in the first-level micro-electrolytic cell is a mixture of steel chips and activated carbon, and the mass ratio of steel chips and activated carbon is 9: 1;

[0029] The above-mentioned secondary micro-electrolytic cell is fed into air during work, and the filler in the secondary micro-electrolytic cell is a mixture of steel chips and activated carbon, and the mass ratio of steel chips and activated carbon is 9: 1;

[0030] The above-mentioned acid is 10% dilute sulfuric acid.

[0031] work process:

[0032]...

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Abstract

The invention relates to a double-stage dynamic microelectrolyzing device which belongs to the technical field of sewage treatment. The double-stage dynamic microelectrolyzing device comprises a first-stage microelectrolyzing pool and a second-stage microelectrolyzing pool, wherein the first-stage microelectrolyzing pool and the second-stage microelectrolyzing pool are connected in series; acid is added into a series connection pipeline between the first-stage microelectrolyzing pool and the second-stage microelectrolyzing pool; gas is introduced into the first-stage microelectrolyzing pool and the second-stage microelectrolyzing pool in the working process; the acid is acid which can reduce a pH value of waste water to be below 4, preferably one or mixture of sulfuric acid, hydrochloric acid and nitric acid; the waste water and the acid are mixed to be charged into the first-stage microelectrolyzing pool; meanwhile, gas is introduced into the bottom of the first-stage microelectrolyzing pool and introduced into the second-stage microelectrolyzing pool; gas is introduced into the bottom of the second-stage microelectrolyzing pool; after reaction is finished, the waste water is discharged; and the content of pollutants in the discharged waste water is reduced. The invention has the advantages of high efficiency of internal electrolysis reaction, long ageing time of a scrap iron bed, good treatment effect of waste water, low cost, less equipment investment and low failure rate.

Description

technical field [0001] The invention relates to a two-stage dynamic micro-electrolysis device, which belongs to the technical field of sewage treatment. Background technique [0002] In the treatment technology of refractory wastewater, micro-electrolysis technology is being paid more and more attention, and has been applied in practical engineering. The principle of the micro-electrolysis method is to use the potential difference between iron-carbon particles to form countless tiny primary batteries. These tiny batteries use iron with low potential as the cathode and carbon with high potential as the anode. The electrochemical reaction occurs in the aqueous solution, so that the pollutants in the wastewater can be purified through electrochemical oxidation-reduction reaction, coagulation and other effects. [0003] The existing iron-carbon internal electrolysis device reduces the pollutants in the waste water through the waste water passing through the device for a certain...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/06C02F1/461
Inventor 谷振华李相龙姜鑫孟庆海张路遥马迁姜振明李世红赵伟宾杨勍李晓雁王全明曾敬田景彩达世栋文传选聂红凉
Owner CHINA NORTH ENERGY CONSERVATION & ENVIRONMENT PROTECTION
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