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Baffled electrolytic reaction tank

An electrolytic reaction and reaction tank technology, applied in water/sewage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve the problems of fast migration speed of heavy metal ions, long residence time, high current, etc. Compact structure, prolong hydraulic process, improve the effect of water flow speed

Active Publication Date: 2013-12-25
POWERCHINA ZHONGNAN ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the heavy metal ions in the current electrolytic cell structure migrate quickly with the flow of wastewater, and equipment treatment requires a long residence time and high current.

Method used

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  • Baffled electrolytic reaction tank
  • Baffled electrolytic reaction tank
  • Baffled electrolytic reaction tank

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] see Figure 1 to Figure 4, the inner cavity of the reaction tank of the baffle type electrolytic reaction tank is arranged with several electrolytic plates 3 from front to back; There is a gap between the inert plate 7 and the electrolytic plate 3; the inner cavity of the reaction tank is divided into a front reaction chamber 1, a middle reaction chamber 10 and a rear reaction chamber 11 by a partition 14; one side of the front reaction chamber 1 It communicates with the water inlet 6, and the bottom of the other side of the front reaction chamber 1 communicates with one side of the middle reaction chamber 10; the bottom of the other side of the middle reaction chamber 10 communicates with the rear reaction chamber 11; the rear reaction chamber The bottom of the other side of the cavity 11 communicates with the water outlet 8 .

[0039] Wherein, the connection between the front reaction chamber 1 and the middle reaction chamber 10 and the connection between the middle ...

Embodiment 2

[0047] The device of the present invention is used for the pilot treatment of lead-zinc smelting wastewater in a certain enterprise. The wastewater mainly comes from the production workshop, and the main pollutants are lead, copper, zinc and arsenic; the wastewater volume is 10m 3 / d; The process adopted is electrocoagulation treatment process, and the process flow is as follows Figure 5 :

[0048] The electroflocculation equipment unit is equipped with two power supplies, and the power supply connected to the electrolysis plate is a constant current output to ensure that the electrolysis current density is 20-25A / m 2 , the electrolysis time is controlled at 1 to 1.5 minutes; the power supply connected to the inert plate is a constant voltage output, and the guaranteed voltage is 50 to 55V; the air in the electrolytic cell is aerated, oxidized and stirred, and the aeration volume is controlled at a gas-water ratio of about 1:2 or so; the equipment has been running stably for...

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PUM

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Abstract

The invention discloses a baffled electrolytic reaction tank. A plurality of electrolytic electrode plates are arranged in an inner cavity of the reaction tank from front to back, inertia electrode plates perpendicular to the electrolytic electrode plates are arranged on two lateral walls of the inner cavity of the reaction tank, and intervals exist between the inertia electrode plates and the electrolytic electrode plates. The inner cavity of the reaction tank is divided into a front-end reaction cavity, a middle reaction cavity and a rear-end reaction cavity through separation plates, one side of the front-end reaction cavity is communicated with a water inlet, the bottom of the other side of the front-end reaction cavity is communicated with one side of the middle reaction cavity, the bottom of the other side of the middle reaction cavity is communicated with one side of the rear-end reaction cavity, and the bottom of the other side of the rear-end reaction cavity is communicated with a water outlet. Based on the characteristics of heavy metal waste water, the electrolytic reaction tank is good in structure, and the processing effect on the heavy metal waste water through an electric flocculation method is improved.

Description

technical field [0001] The invention belongs to the technical field of electrochemical wastewater treatment equipment, and in particular relates to a baffle-type electrolytic reaction tank. Background technique [0002] Heavy metal pollutants are a kind of extremely harmful pollutants produced in the process of human production and social development. Heavy metal pollutants are generally potentially harmful. They are different from organic pollutants. Microorganisms in the environment are difficult to decompose and eliminate them (degradation), and they are enriched through the food chain, and the concentration increases step by step; while human beings are at the end of the food chain, and they absorb toxic heavy metals through food or drinking water. into the body; accumulate in the human body, causing chronic poisoning; especially some heavy metal pollutants form compounds with organic substances, and their toxicity is multiplied. [0003] Heavy metal pollutants in was...

Claims

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Application Information

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IPC IPC(8): C02F1/463C02F1/62
Inventor 熊道文熊珊禹芝文陈湘斌游建军虞少嵚
Owner POWERCHINA ZHONGNAN ENG