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Carbon dioxide aeration electrochemical descaling device and method

A carbon dioxide and electrochemical technology, applied in the field of water treatment, can solve the problems of decreased removal rate of hardness ions, further improvement of electrochemical descaling efficiency, and unconsidered problems, so as to delay deposition, promote ion migration and chemical reaction, and increase usage The effect of longevity

Pending Publication Date: 2019-07-26
HUANENG CLEAN ENERGY RES INST
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Problems solved by technology

However, the existing electrochemical descaling devices do not take into account the decrease in the removal rate of hardness ions caused by the decrease in the alkalinity of the water during the continuous water treatment process, and the electrochemical descaling efficiency needs to be further improved

Method used

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  • Carbon dioxide aeration electrochemical descaling device and method
  • Carbon dioxide aeration electrochemical descaling device and method

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Embodiment Construction

[0027] The present invention will be described in further detail below in conjunction with accompanying drawing and specific embodiment, and its content is explanation of the present invention rather than limitation:

[0028] figure 1 , figure 2 The carbon dioxide aeration electrochemical descaling device of the present invention includes a reactor cylinder 1, several cathode plates 2, several anode plates 3 and aeration tubes 4; the inside of the reactor cylinder 1 is provided with an ultrasonic cleaner 10, preferably , the ultrasonic cleaner 10 is arranged at both ends of the reactor cylinder 1, and the sounding plane of the ultrasonic cleaner 10 is perpendicular to the polar plate plane of the cathode plate 2 and the anode plate 3. The lower plane of the reactor cylinder 1 is a funnel-shaped structure. When the reactor cylinder 1 is a cuboid, the lower parts of the four sides are respectively connected with four slopes, and the four slopes form a funnel shape; when the re...

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Abstract

The invention discloses a carbon dioxide aeration electrochemical descaling device and method and belongs to the technical field water treatment. The device comprises a reactor barrel, a plurality ofcathode plates, a plurality of anode plates, an ultrasonic cleaner and an aeration pipe. Carbon dioxide is fed in the process of continuous water treatment through the aeration pipe for aeration, so that carbonate ions in water are supplemented, further removal of calcium ions is promoted, and ion migration and chemical reaction around the pole plates are promoted; aeration action delays deposition of scaling substance on the surface of each pole plate, and the objective of cleaning the pole plates can be achieved through joint action of the aeration pipe and the ultrasonic cleaner. The deviceis reasonable in structural design, the problem of hardness ion removal rate reduction caused by water alkalinity reduction in the process of continuous water treatment is solved, and electrochemicaldescaling efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of water treatment, and in particular relates to a carbon dioxide aeration electrochemical descaling device and method. Background technique [0002] Scaling problems exist in the use of industrial circulating cooling water, which affects the heat exchange efficiency of equipment. Usually, scale inhibitors are added to control the scaling tendency of calcium and magnesium hardness ions. However, adding antiscalants will bring secondary pollution, and hardness ions still exist in the water body, posing certain risks. The electrochemical method can generate a strong alkaline environment through the in-situ reaction of the cathode, and realize the precipitation of hardness ions such as calcium and magnesium in circulating water. It is a very potential descaling technology for circulating water. However, the existing electrochemical descaling devices do not take into account the decrease in the removal rate of ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/46
CPCC02F1/4602C02F2303/14
Inventor 余智勇张畅任志博王广郜时旺刘练波
Owner HUANENG CLEAN ENERGY RES INST
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