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Device for producing sodium hypochlorite by using waste chlorine water and production method thereof

A sodium hypochlorite and chlorine water technology, applied in the direction of hypochlorous acid and hypochlorite, can solve the problems of low resource recycling rate, high production cost, chlorine water pollution, etc., and achieve resource saving, stable reaction and avoid violent reaction Effect

Inactive Publication Date: 2011-02-09
SHANDONG XINLONG GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

It turned out that all of them were discharged into the ditch as one of the three wastes, which not only caused the pollution of the factory area and the surrounding environment by chlorine water, but also caused a waste of chlorine and caused undue losses
At the same time, the sodium hypochlorite needed in chemical production is generally produced by raw chlorine, which has high production costs and low resource recycling rate.

Method used

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  • Device for producing sodium hypochlorite by using waste chlorine water and production method thereof
  • Device for producing sodium hypochlorite by using waste chlorine water and production method thereof

Examples

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Effect test

Embodiment

[0033] Embodiment, a kind of device that produces sodium hypochlorite with waste chlorine water, as shown in the figure, comprises chlor-alkali production device, waste chlorine collection device and reaction device, and chlor-alkali production device comprises electrolytic chlorine water storage tank 1, chlorine scrubber connected by pipeline successively 2. Cooler device and chlorine mist catcher 7, said cooler device is made up of one-stage titanium cooler 3, 4, 5 and two-stage titanium cooler 6 connected in parallel, said electrolytic chlorine water storage tank 1, chlorine gas The washing tower 2, the first titanium cooler 3, 4, 5 and the second titanium cooler 6 and the chlorine mist collector 7 are respectively provided with waste chlorine water collection pipes, and the waste chlorine collection device consists of the first chlorine water Storage tank 8, the second chlorine water storage tank 9 and the 3rd chlorine water storage tank 10 constitute, on the connecting pip...

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Abstract

The invention discloses a device for producing sodium hypochlorite by using waste chlorine water and a production method thereof. The device comprises a chlor-alkali producing device, a waste chlorine collecting device and a reaction device, and a waste chlorine collecting pipeline is arranged between the chlor-alkali producing device and the waste chlorine collecting device. The production method comprises that: firstly, all chlorine water generated by the chlor-alkali producing device in the normal producing process enters the waste chlorine collecting device through the waste chlorine collecting pipeline; and then the chlorine water is added with alkali liquor through the reaction device for reaction to generate the sodium hypochlorite. The production method solves the problem of pollution by draining the chlorine water, realizes zero emission of the waste chlorine water, and improves the environmental protection and social benefits.

Description

technical field [0001] The invention relates to a device for producing sodium hypochlorite by using waste chlorine water and a production method thereof, belonging to the technical field of chemical industry. Background technique [0002] Chlorine water is the waste water inevitably produced in the production of chlor-alkali chemical industry. It is mainly composed of accumulated water in the chlorine gas transmission pipeline, condensed water of the chlorine gas two-stage titanium cooler, and condensed water of the chlorine gas scrubber. The available chlorine content is about 7.5%, and the temperature is about 60 ° C. . It turned out that all of them were discharged into the sewer as one of the three wastes, which not only caused the pollution of the factory area and the surrounding environment by chlorine water, but also caused the waste of chlorine and caused unnecessary losses. At the same time, the sodium hypochlorite needed in chemical production is generally produce...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B11/06
Inventor 李法曾常青王强张春发杨海堂朱培松
Owner SHANDONG XINLONG GROUP CO LTD
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