Separator system of hollow-fibre membrane in extermal pressure

A separation device and fiber membrane technology, applied in the field of membrane separation, can solve the problems of unclean medicine, imperfect external pipeline design, difficult medicine purification treatment, etc., and achieve the effect of saving cleaning water and restoring membrane flux

Inactive Publication Date: 2004-10-27
TIANJIN MOTIAN MEMBRANE ENG & TECH
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Problems solved by technology

But it still has shortcomings: the external pipeline design of the membrane module in the membrane device is not perfect
[0005] The disadvantages of the above cleaning are: the original process is backwashing and dosing, because the medicine itself is not clean, it pollutes the filtrate side of the membrane, thus affecting the quality of the produced water, and it is difficult to purify the medicine itself

Method used

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  • Separator system of hollow-fibre membrane in extermal pressure
  • Separator system of hollow-fibre membrane in extermal pressure
  • Separator system of hollow-fibre membrane in extermal pressure

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Embodiment Construction

[0011] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0012] The device of the present invention is provided with a plurality of valves, and the operation, cleaning and sewage discharge of the membrane module are controlled by controlling the opening and closing of the valves. The valves in the accompanying drawings can be divided into manual valves and pneumatic diaphragm valves (that is, automatic valves) according to their types.

[0013] If divided according to function or function, valves 1 and 1a are inlet pressure regulating valves or regulating valves; valves 11 and 11a are called import automatic valves; valve 2 is outlet pressure regulating valves or regulating valves; valve 19 is called outlet automatic valves; 4 and 5 are switching valves, which are used for switching between membrane separation work and chemical cleaning work; valve 6 is the inlet valve of the working pump; valves 8 ...

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Abstract

A hollow fibre membrane separation system is composed of membrane module, circulating tank and connecting pipeline. It features that the liquid inlet pipe is connected between circulating tank and membrane module for supplying raw material to membrane, and a working pump and the raw water flow controller and one-way chemical applying valve for washing said membrane module are installed to said liquid inlet pipe.

Description

technical field [0001] The invention relates to a membrane separation technology, in particular to an external pressure hollow fiber membrane device. Background technique [0002] With the improvement of people's living standards, people's requirements for drinking water continue to increase, so-called pure water, space water or purified water has entered people's daily life. Moreover, production and industrial water, such as biochemical, pharmaceutical, food, seasoning and other fields, have higher and higher requirements for water purification. In recent years, people have developed microfiltration and ultrafiltration membrane technologies for water purification, which are meeting this need and have achieved good practical results. Among them, external pressure hollow fiber membranes are most widely used. This is because the external pressure hollow fiber membrane (hereinafter referred to as the membrane) has the largest filling area per unit volume, can remove various s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D61/02B01D61/08B01D61/12B01D61/14B01D61/18B01D61/22B01D63/02B01D65/02B01D65/06C02F1/44
CPCC02F1/441B01D65/022B01D2321/185B01D2321/16B01D61/14B01D2321/04B01D61/12B01D61/02B01D63/02B01D61/18B01D65/02C02F1/444B01D2313/243B01D61/08B01D61/22
Inventor 吕晓龙
Owner TIANJIN MOTIAN MEMBRANE ENG & TECH
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