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Multistage filtration system and sewage filtration method for sewage treatment

A sewage treatment and stage filtration technology, applied in water/sewage treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc., can solve the problems of difficult recycling, incomplete sewage treatment, and insufficient filtration and other issues to achieve the effect of speeding up the flow

Active Publication Date: 2019-02-22
济南德坤水处理设备有限公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The primary treatment of sewage uses physical methods, such as sieving, sedimentation, etc. to remove sludge and suspended solids in sewage, but currently the sewage solution containing sludge is filtered through a filter, and the filtration of the water body is not enough during filtration Thoroughly, there is still a certain amount of sludge or suspended solids in the water body, the sewage treatment is not completely up to standard, and it is difficult to recycle

Method used

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  • Multistage filtration system and sewage filtration method for sewage treatment
  • Multistage filtration system and sewage filtration method for sewage treatment
  • Multistage filtration system and sewage filtration method for sewage treatment

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with the accompanying drawings.

[0033] as attached figure 1 to attach image 3 As shown, a multi-stage filtration system for sewage treatment includes a first filter device 1, a second filter device 2 and a third filter device 3, the liquid inlet end of the second filter device 2 is connected to the first filter device 1 The liquid outlet is connected, and the liquid inlet end of the third filter device 3 is connected with the liquid outlet of the second filter device 2; the first filter device 1 includes at least one set of mud-water separation assemblies 6, and the mud-water separation assemblies 6 Separation of mud and aqueous solution in the sewage, the second filter device 2 is arranged on the flow path of the aqueous solution after the treatment of the mud-water separation assembly 6, the second filter device 2 includes a second filter assembly 7, the second Filter assembly 7 filters the aque...

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Abstract

The invention discloses a multistage filtration system and a sewage filtration method for sewage treatment. The multistage filtration system comprises a first filtration device, a second filtration device and a third filtration device; the liquid inlet feeding end of the second filtration device communicates with the liquid outlet discharging end of the first filtration device, and the liquid inlet feeding end of the third filtration device communicates with the liquid outlet discharging end of the second filtration device; the first filtration device comprises one or more sets of slurry-waterseparation assemblies used for separating slurry and from water solutions in sewage, the second filtration device is arranged on the circulating path of the water solutions treated by the slurry-water separation assemblies, the second filtration device comprises a second filtration assembly, the second filtration assembly filters the water solutions treated by the slurry-water separation assemblies, and the third filtration device is arranged on the circulating path of the water solutions filtered by the second filtration device and filters the water solution again. Impurities in a water bodycan be effectively and thoroughly filtered fully.

Description

technical field [0001] The invention belongs to the field of sewage treatment, and in particular relates to a multi-stage filtering system and a sewage filtering method for sewage treatment. Background technique [0002] The urban sewage treatment process generally determines the degree of sewage treatment and the corresponding treatment process according to the utilization or discharge of urban sewage and the natural purification ability of the water body. Whether the treated sewage is used for industry, agriculture or recharge to replenish groundwater, it must meet the relevant water quality standards issued by the state. Modern sewage treatment technology can be divided into primary, secondary and tertiary treatment processes according to the degree of treatment. The primary treatment of sewage uses physical methods, such as sieving, sedimentation, etc. to remove sludge and suspended solids in sewage, but currently the sewage solution containing sludge is filtered throug...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D36/02C02F9/04
CPCB01D36/02C02F1/001C02F1/5281C02F9/00C02F2001/007C02F2301/08
Inventor 陆炯
Owner 济南德坤水处理设备有限公司
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