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Continuous membrane filtration system and water treatment method

A filter system and continuous membrane technology, applied in the direction of osmosis/dialysis water/sewage treatment, chemical instruments and methods, membrane technology, etc., can solve the problems of affecting the cost of water treatment, increasing the amount of chemical agents, increasing the cost, etc., to achieve Conducive to cleaning, reducing infrastructure costs and reducing usage

Active Publication Date: 2013-09-11
ZHEJIANG JINMO ENVIRONMENT TECH CO LTD
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Problems solved by technology

The increase in the amount of chemical agents will also increase the cost, and the cost of chemical agents will affect the cost of water treatment in the water reuse project

Method used

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  • Continuous membrane filtration system and water treatment method

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Embodiment Construction

[0028] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0029] The schematic diagram of the continuous membrane filtration system of the present invention is as figure 1As shown, it includes a membrane module 32, a water inlet unit, an aeration unit, a water production unit, a backwash unit, a return unit, an upper discharge valve 29 of the module and a lower valve 7 of the module, and the water inlet of the membrane module 32 is connected with The assembly lower discharge valve 7, the outlet of the assembly lower discharge valve 7 is connected to the assembly lower discharge pipeline 9, the return port of the membrane module 32 is connected to the assembly upper discharge valve 29, and the assembly upper discharge valve The outlet of 29 is connected with discharge pipeline 28 on the assembly. It also includes a product water return valve 30, a regulating unit, and a medicine washing unit...

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Abstract

The invention discloses a continuous membrane filtration system and a water treatment method, and provides a continuous membrane filtration system for reducing the application amount of a chemical agent, and a water treatment method. A drug washing unit comprises a dosing pump and a drug washing pipeline, the outlet of the dosing pump is connected with the water inlet of a membrane module, one end of the drug washing pipeline is connected with the water outlet of the backwashing water tank of a backwashing unit, the other end of the drug washing pipeline is connected with the inlet of the water inlet pump of a water inlet unit, and the drug washing pipeline is provided with a diversion regulating valve and a diversion valve; one end of a produced water return valve is connected with the return port of the membrane module, and the other end of the produced water return valve is connected with the water production port of the membrane module and the water supplementing port of the backwashing water tank of the backwashing unit respectively; and one end of a regulating pipeline is connected with the inlet of the water inlet pump of the water inlet unit, the other end of the regulating pipeline is connected with the inlet port of the discharge valve of a return unit, and the regulating pipeline is provided with a filtering mode regulating valve used for selecting a cross flow filtering mode or a dead filtering mode. The system increases the filtering and cleaning flexibility and saves the application amount of the chemical agent.

Description

technical field [0001] The invention relates to the technical field of water treatment, in particular to a continuous membrane filtration system and a water treatment method. Background technique [0002] Continuous membrane filtration system is a high-efficiency and energy-saving membrane treatment technology. Compared with traditional sewage treatment, it has the advantages of simple process operation, high effluent quality, and stable treatment effect. Therefore, it is widely used in the field of water treatment. The separation mechanism is a sieve separation mechanism. The treatment liquid is membrane-filtered under a certain pressure. Molecules or particles whose size is smaller than the membrane separation aperture can pass through the membrane surface, while molecules or particles whose size is larger than the membrane separation aperture are intercepted to achieve the size. Separation of particles. The particles trapped and deposited on the membrane will block the m...

Claims

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Application Information

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IPC IPC(8): C02F1/44B01D65/02
Inventor 戴海平苏烨柯永文王龙兴张震甄朝阳
Owner ZHEJIANG JINMO ENVIRONMENT TECH CO LTD
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