A modular electrochemical device for automatic rotation and efficient chlorine and scale removal
An automatic rotation, electrochemical technology, applied in electrochemical water/sewage treatment, chemical instruments and methods, water/sludge/sewage treatment, etc., can solve problems such as high cost, incomplete descaling, cumbersome descaling, etc.
Active Publication Date: 2021-08-20
CHINA UNIV OF MINING & TECH (BEIJING)
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Problems solved by technology
[0005] Aiming at the above-mentioned problems existing in the prior art, the present invention provides an electrochemical device for efficient descaling, which solves the existing problems of high cost, incomplete descaling, and cumbersome descaling
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[0033] When the electrochemical reaction is running normally, when the chlorine ion concentration of the influent is 56mg / L, the hardness is 6800mg / L (methyl orange hardness, calculated as CaCO3), when the hydraulic retention time is 5min, the plate current density is 8mA / cm2 , the concentration of chloride ion in the single reaction effluent is 32mg / L, the hardness is lower than 2000mg / L, and the removal efficiency reaches 43.0% and 70.5% respectively.
[0034] Groundbreakingly, the arc-shaped corrosion-resistant anode sheet of the present invention is stable and corrosion-resistant, and each system is convenient to disassemble and replace, and the descaling method is simple and efficient.
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Abstract
The invention relates to the field of industrial water treatment, in particular to a modular electrochemical device that can automatically rotate and efficiently remove chlorine and scale, which is used to solve the problems of incomplete electrolytic descaling, complex cleaning procedures, high operating costs, and easy corrosion of the anode plate. question. The invention is composed of a display system, a cylinder supporting auxiliary system, a parameter control system and a rotary electrolytic descaling system, which can be displayed and previewed in real time by setting different parameters. A ring of stainless steel cathode plates is embedded in the cylinder support system; four arc-shaped corrosion-resistant anode plates are fixed in the rotary electrolysis system, and a circle of stainless steel cathode plate nets are built in. The anodes are respectively 3cm and 5cm away from the inner and outer stainless steel cathodes, forming strong and weak double electrolysis Field, can improve electrolysis efficiency. The electrolysis system is also fixed with a scraper connection shaft and three types of scraper sawtooth plates, which can remove scale on the surface of the cathode plate by rotation.
Description
technical field [0001] The invention relates to the field of industrial water treatment, in particular to a modular electrochemical device that can automatically rotate and efficiently remove chlorine and scale. Background technique [0002] With the rapid development of modern society and economy supported by industry, industrial water consumption is huge, and the shortage of water resources is becoming more and more serious. It is urgent to strengthen industrial water recycling and expand the scope of available water resources. The existing circulating cooling water reuse system mainly has problems such as scale deposition, blockage and pipeline corrosion in the heat exchanger and pipeline system. Among the existing solutions, the chemical agent method is the most widely used method. The agent with corrosion and scale inhibition properties is prepared by mixing various agents. Although it has the functions of preventing scaling and controlling corrosion to a certain extent...
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IPC IPC(8): C02F1/461C02F1/46
CPCC02F1/4602C02F1/46104
Inventor 唐佳伟张益臻张春晖
Owner CHINA UNIV OF MINING & TECH (BEIJING)
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