System of using soft spberical particles to proceed membrane cleaning and its cleaning method

A spherical particle and membrane cleaning technology, which is applied in chemical instruments and methods, membrane technology, semi-permeable membrane separation, etc., can solve problems such as low cleaning efficiency, generation of cleaning waste liquid, and limited cleaning effect, so as to restore flux and solve The effect of membrane fouling

Inactive Publication Date: 2004-10-06
TIANJIN MOTIAN MEMBRANE ENG & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There are certain defects in the chemical cleaning method: for a system with complex components, it is relatively difficult to choose a cleaning agent, and at the same time, cleaning waste liquid will be generated, and its cleaning effect is also limited
But this cleaning met...

Method used

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  • System of using soft spberical particles to proceed membrane cleaning and its cleaning method
  • System of using soft spberical particles to proceed membrane cleaning and its cleaning method
  • System of using soft spberical particles to proceed membrane cleaning and its cleaning method

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Embodiment Construction

[0018] The invention mainly provides a membrane cleaning system and cleaning method using soft spherical particles. In a specific embodiment, the soft spherical particles are sponge balls.

[0019] Such as figure 1 As shown, the tubular membrane solid-liquid two-phase flow cleaning system mainly includes: circulation tank 1, main liquid flow supply flow path 31, membrane supply flow path 32, cleaning supply flow path 33, tubular membrane 12, return flow path 34, Pellet Circulator 16.

[0020] One end of the main liquid supply channel 31 is connected to the outlet of the circulation tank 1 , and the other end is connected to the membrane supply channel 32 and the cleaning supply channel 33 . Wherein, one end of the above-mentioned membrane supply flow path 32 is connected to the above-mentioned main liquid flow supply flow path 31, and the other end is connected to the inlet end of the tubular membrane 12, which is used to supply the above-mentioned main liquid flow to the fl...

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Abstract

A system and method for washing membrane by soft spherical particles and liquid flowing features that a washing liquid channel and a small particle circulator for releasing small particles are used to clean the surface of membrane, restoring the membrane permeability.

Description

technical field [0001] The present invention relates to a membrane cleaning system and its cleaning method. Furthermore, it relates to a membrane cleaning system and its cleaning method capable of bringing the following effects: soft spherical particles and feed liquid run synchronously, relying on the particles in the running process It rubs against the membrane and causes the disturbance of the liquid flow, completes the cleaning of the membrane surface and restores the membrane flux. Background technique [0002] Membrane separation technology has developed rapidly in the past 20 years and has been widely used in chemical, food, medicine, electronics and other industries. However, the membrane will be polluted during use, which will reduce the performance of the membrane. In severe cases, the value of membrane separation will lose its practical application value, thus limiting the application field of membrane separation technology. An effective cleaning method is an imp...

Claims

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Application Information

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IPC IPC(8): B01D65/04
Inventor 刘恩华杜启云
Owner TIANJIN MOTIAN MEMBRANE ENG & TECH
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