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Preparing system and method of sodium hypochlorite

A technology of sodium hypochlorite solution and manufacturing system, which is applied in the direction of electrolysis process, diaphragm, electrolysis components, etc., can solve the problems of low operating efficiency of electrolytic cells, low concentration of available chlorine, high AC power consumption, etc., so as to avoid the danger of transportation and storage, and effectively Effect of high chlorine concentration and long electrode life

Inactive Publication Date: 2015-06-10
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the invention is to solve a series of problems in the existing sodium hypochlorite preparation system, such as low concentration of available chlorine, low operating efficiency of the electrolytic cell, high salt consumption and high AC power consumption.

Method used

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  • Preparing system and method of sodium hypochlorite

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Embodiment Construction

[0020] like figure 1 As shown, the label 1 is the anode chamber; the label 2 is the anode; the label 3 is the cationic membrane; the label 4 is the cathode; the label 5 is the cathode chamber; the label 6 is the electrolytic cell; the label 7 is the water outlet; the label 8 is the reaction box; 9 is the dosing pump; the number 10 is the water inlet; the number 11 is the water inlet pump; the number 12 is the water inlet tank; the number 13 is the electric control device; Salt water inlet; Label 17 is salt water outlet.

[0021] refer to figure 1 , The sodium hypochlorite preparation system of the present invention includes: electrolytic cell 6, anode 2, cathode 4, cationic membrane 3, brine circulation dosing box 15, water inlet box 12 and reaction box 8. The anode 2 and the cathode 4 are installed in the electrolytic cell 6 and the electrolytic cell 6 is divided into an anode chamber 1 and a cathode chamber 5, and a cationic membrane 3 is installed between the anode 2 and ...

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Abstract

The invention relates to a preparing system of sodium hypochlorite, which comprises an electrolytic cell, an anode, a cathode, a saline water cycling injection box, a reaction chamber, a cation film and a water inlet tank, wherein the electrolytic cell is divided into an anode chamber and a cathode chamber through the anode and the cathode; the cation film is arranged between the anode and the cathode; a saline water outlet and a saline water inlet are respectively arranged on the upper end and the lower end of the cathode chamber; and the upper end of the cathode chamber is provided with a water outlet, and the lower end of the cathode chamber is provided with a water inlet. The saline water cycling injection box is connected with the saline water inlet through a metering pump and a pipeline, the saline water outlet is connected with the saline water cycling injection box thorough a pipeline, and chlorine generated by the anode chamber is led into the reaction chamber through a pipeline; and the water inlet tank is connected with the water inlet through a water inlet pump and a pipeline, hydrogen generated by the cathode chamber is discharged through a pipeline, and the water outlet is connected with the reaction chamber through a pipeline. The invention also relates to a method for preparing the sodium hypochlorite through the system. The system and the method have the advantages of low operating cost, high concentration of generated available chlorine, long service life of electrodes, no pollution, and the like.

Description

technical field [0001] The invention relates to a method for producing sodium hypochlorite solution with a sodium hypochlorite manufacturing system, in particular to a method for producing sodium hypochlorite solution with a sodium hypochlorite manufacturing system equipped with cationic membranes. Background technique [0002] At present, in the domestic market, most of the sodium hypochlorite disinfection devices are non-diaphragm electrolytic sodium hypochlorite generators. Diaphragm-free electrolytic sodium hypochlorite generator, the electrolytic cell is equipped with an anode and a negative electrode, and the two electrodes are filled with electrolyte solution (low-concentration saline solution). The low-concentration sodium hypochlorite solution is generated by electrolysis of low-concentration saline solution. The electrolytic cell is generally equipped with a salt water inlet. , the water outlet, the cooling water inlet, the cooling water outlet, and the hydrogen ex...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25B1/46C25B13/02
Inventor 刘文朝刘亨益李晓琴
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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