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Circulating water electrochemical treatment device and method

A technology for chemical treatment and circulating water, applied in chemical instruments and methods, water/sewage treatment, water/sludge/sewage treatment, etc. The effect of zero emission and cost reduction

Inactive Publication Date: 2020-10-09
骆傲忠
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The concentrated circulating water after discharge needs to be additionally collected and concentrated for treatment, which increases the cost of subsequent sewage treatment. At the same time, the extensive use of scale inhibitors, bactericides, and algaecides in circulating water also increases the treatment of circulating water. cost

Method used

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  • Circulating water electrochemical treatment device and method

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Embodiment Construction

[0025] see figure 1 As shown, the present invention will be further described below through specific embodiments.

[0026] The present invention relates to a circulating water electrochemical treatment device, comprising:

[0027] The cold water pool is used to store circulating water and buffer water consumption;

[0028] The electrode plate group is used to electrolyze the circulating water. At the same time, the real-time current data of the motor plate group is collected and sent to the control system for processing. Each electrode plate group is composed of anode sheets and cathode sheets, and there are more cathode sheets than anode sheets. Each electrode plate group in this embodiment includes two anode sheets and three cathode sheets, wherein the anode sheets and the cathode sheets are arranged alternately in parallel with each other, and the number of electrode sheets has a positive relationship with the amount of treated water;

[0029] The power supply device is u...

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Abstract

The invention discloses a circulating water electrochemical treatment device and method. A control system is used for judging the change of real-time water quality by acquiring current data in electrolysis of an electrode plate group in real time; a control signal corresponding to water quality is output to a power supply device according to water quality change; a pulse signal with a corresponding frequency is output to the electrode plate group through the power supply device; reagents are adopted as assistant, so that the ion concentration near the electrode plate is increased, the cathodesheet adsorbs calcium, magnesium and other easy-to-scale cations, the anode sheet reduces chloride ions, partially forms chlorine gas to be released, and partially forms hypochlorous acid and chlorinedioxide as efficient bactericides, so that the purpose that circulating water is free of sewage any more is achieved, zero discharge of the circulating water is thoroughly realized, and the operationcost of the circulating cooling water is reduced. The treatment device is installed without changing a pipeline, pressurized water does not need to be introduced through a main circulating pipeline,and the electrode plate group is put into or taken out of a cold water pool through an electrode group crane, so that the pressure and lift of a main circulating water system are not influenced, and the operation of a whole circulating water device is not influenced.

Description

technical field [0001] The invention relates to the field of cooling circulating water treatment, in particular to an electrochemical treatment device and method for circulating water. Background technique [0002] Circulating water is mainly used in petrochemical, coal chemical, steel, fine chemical, and various industries that require heat exchange. Untreated water will cause scaling and corrosion of pipe walls and heat exchangers, and bacteria and algae in circulating water Breeding, resulting in production can not be carried out normally, so the water needs to be treated. [0003] Due to the continuous evaporation of circulating water, the accumulation of scaling ions such as calcium and magnesium, and the concentration of corrosive ions to metals such as chloride and sulfate radicals increase, so a certain proportion of concentrated circulating water must be continuously discharged, and fresh circulating water must be replenished In order to reduce the concentration of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/461
CPCC02F1/46104C02F2303/08C02F2303/22C02F2303/04
Inventor 骆傲忠
Owner 骆傲忠
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