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Wastewater demineralization treatment system

A wastewater treatment and salt treatment technology, applied in multi-stage water treatment, water/sewage treatment, biological water/sewage treatment, etc., can solve the problems of water body biological reduction, land salinization, difficult to reuse, etc., to achieve operation Low cost, high salt removal rate, and simple equipment operation

Pending Publication Date: 2019-07-12
浙江嘉化新材料有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

And these brines are usually difficult to reuse, so they have to be discharged into water bodies or deep wells
The harmfulness of such a concentrated water treatment mode is gradually emerging, such as causing land salinization and water biological reduction, etc.

Method used

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Embodiment Construction

[0018] Refer to figure 1 A wastewater desalination treatment system of the present invention includes a wastewater collection tank 1, a conditioning treatment tank 2, a multi-media filter 3, an MBR membrane treatment system 4, a security filter 5, and a reverse osmosis desalination device 6 arranged in sequence according to the wastewater treatment direction. , The output end of the wastewater collection tank 1 is connected to the conditioning treatment tank 2, the output end of the conditioning treatment tank 2 is connected to the multi-media filter 3, and the output end of the multi-media filter 3 is connected to the MBR membrane treatment system 4 Connected, the concentrated water outlet of the MBR membrane treatment system 4 is connected to the conditioning treatment tank 2, the concentrate is returned to the conditioning treatment tank 2 after evaporation and desalination, and the produced water outlet of the MBR membrane treatment system 4 is connected to the security filt...

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Abstract

The invention provides a wastewater demineralization treatment system which comprises a wastewater collecting tank, a regulating treatment tank, a multi-medium filter, an MBR membrane treatment system, a security filter and a reverse osmosis demineralizer all arranged in sequence in a wastewater treatment direction. An outlet end of the wastewater collecting tank is connected with the regulating treatment tank; an outlet end of the regulating treatment tank is connected with the multi-medium filter; an outlet end of the multi-medium filter is connected with the MBR membrane treatment system; aconcentrated water outlet end of the MBR membrane treatment system is connected with the regulating treatment tank, allowing concentrated liquid to be returned to the regulating treatment tank afterbeing subjected to evaporative demineralization treatment; an effluent outlet end of the MBR membrane treatment system is connected with the security filter; an outlet end of the security filter is connected with the reverse osmosis desalination device; and a concentrated water outlet end of the reverse osmosis desalination device is connected with the MBR membrane treatment system. The wastewaterdemineralization treatment system is characterized by simple equipment operation and low operation cost, and characterized in that the effluent has a quality that can meet the requirements of different grades of water, and a high desalination rate that can meet the requirements of wastewater treatment.

Description

[0001] 【Technical Field】 [0002] The invention relates to the technical field of chemical sewage treatment systems, in particular to a wastewater desalination treatment system. [0003] 【Background technique】 [0004] At present, for wastewater discharge, industrial wastewater discharge is very harmful. If untreated wastewater is discharged into rivers, ponds or seeps underground, it will not only harm the environment, but also pollute drinking water sources. In the prior art, mature technologies and equipment such as RO reverse osmosis and EDI electric desalination can produce high-quality and efficient production water, but the water production rate of the above-mentioned water production process is about 75%, that is, : In the process of producing high-quality water, the other impurities in the water are separated by membranes and concentrated in 25% concentrated brine. These concentrated brines are usually difficult to reuse, so they have to be discharged into water bodies or d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F101/30
CPCC02F9/00C02F1/001C02F5/02C02F1/66C02F1/5236C02F1/048C02F1/441C02F3/1268C02F2101/30C02F2301/08Y02A20/131
Inventor 沈文良吴忠李林董工兵唐海嘉金爱凤王兆飞
Owner 浙江嘉化新材料有限公司
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