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Back flushing system for chlorine alkali chemical brine refined ceramic membrane

A recoil system and brine refining technology, which is applied in the field of recoil system, can solve the problems of easily damaged ceramic membrane tubes and poor effect, and achieve the effect of stable pressure and reduced pressure instability

Inactive Publication Date: 2019-03-08
PANZHIHUA STEEL ENTERPRISES XINYU CHEM
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  • Summary
  • Abstract
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Problems solved by technology

[0005] In the actual operation of the factory, due to the many points of use of compressed air and the inconsistent use pressure, the public compressed air is provided according to the highest use pressure, which is higher than the recoil pressure of the ceramic membrane, especially when the quick-opening valve is opened. In an instant, the ceramic membrane tube is easily damaged, and the self-operated regulating valve is less effective when the source gas pressure fluctuates.

Method used

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  • Back flushing system for chlorine alkali chemical brine refined ceramic membrane

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Embodiment Construction

[0017] Such as figure 1 Shown is a recoil system used in the purification of ceramic membranes for chlor-alkali chemical brine, which can still ensure the pressure stability of ceramic membranes when the source air pressure is high or fluctuates greatly. The recoil system includes an air buffer tank 1, and the recoil system also includes a tank pressure stabilizing component 2, and the internal pressure of the air buffer tank 1 is kept stable by the tank stabilizing component 2 during operation . In this application, the tank pressure stabilizing component 2 is added on the basis of the existing air buffer tank 1 , and the internal pressure of the air buffer tank 1 is kept stable through the tank pressure stabilizing component 2 during the working process. In this way, due to the introduction of the tank pressure stabilizing component 2, no matter whether it is adjusted before the high-pressure gas is input into the air buffer tank 1, or when the high-pressure gas in the air ...

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Abstract

The invention discloses a back flushing system, particularly discloses a back flushing system for a chlorine alkali chemical brine refined ceramic membrane, and belongs to the technical field of design and manufacturing of chlorine alkali chemical technological equipment. The invention provides the back flushing system for the chlorine alkali chemical brine refined ceramic membrane, which can still ensure pressure stability of the ceramic membrane during back flushing under the condition of high pressure or greater fluctuation of source air. The back flushing system comprises an air buffer tank and a tank pressure stabilizing assembly; in the work process, internal pressure of the air buffer tank is kept stable through the tank pressure stabilizing assembly.

Description

technical field [0001] The invention relates to a recoil system, in particular to a recoil system for refining ceramic membranes in brine in chlor-alkali chemical industry, and belongs to the technical field of design and manufacture of process equipment in chlor-alkali chemical industry. Background technique [0002] The primary brine refining process of chlor-alkali chemical industry has gradually been widely used in the chlor-alkali industry due to the advantages of short process, no preprocessor, excellent quality of filtered brine, and convenient transformation. [0003] After the ceramic membrane brine filter has been in operation for a period of time, the flux will decrease due to the pollution of the membrane surface, and the membrane surface needs to be physically recoiled and chemically cleaned regularly. Physical recoil means that after the refined brine is pressurized by the compressed air in the recoil tank, the recoil hydraulic pressure is injected into the mem...

Claims

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Application Information

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IPC IPC(8): B01D65/02
CPCB01D65/02B01D2321/04
Inventor 蒲荣辉
Owner PANZHIHUA STEEL ENTERPRISES XINYU CHEM
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