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A pressure filtration system and its filtration method

A filtration system and pressure technology, applied in filtration treatment, chemical instruments and methods, water/sewage multi-stage treatment, etc., can solve problems such as increased water head loss, and achieve the effect of improving filtration efficiency

Active Publication Date: 2022-04-08
NANJING SUHUAN ENVIRONMENTAL INTERCONNECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

It is precisely because of the gradual increase of mud and particles due to unclean backwashing that the filtered water quality decreases and the water head loss increases, so that frequent shutdowns are required to manually remove the filter material for cleaning.

Method used

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  • A pressure filtration system and its filtration method
  • A pressure filtration system and its filtration method
  • A pressure filtration system and its filtration method

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Embodiment Construction

[0051] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0052] The inventor found that: currently in water treatment, in order to increase the strength of water treatment and increase the cleanliness of filtered water, multi-stage filtration is set, but no matter how many stages of filtration, the filter units located in the first and second stages The filter in the filter is required for solid-liquid separation, such as sludge, particles, etc. It is precisely because of the gradual increase of mud and particles due to unclean backwashing that the filtered water quality decreases and head loss increases, so that frequent shutdowns are required to manually remove the filter material for cleaning.

[0053] For this reason, the inventor has developed a pressure filtration system and its filtration method with multi-stage filtration and internal cleaning, which can automatically separate suspended solid...

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Abstract

The invention discloses a pressure filtration system and a filtration method thereof, belonging to the technical field of filtration devices. It includes: a first-level filter unit, which is connected to the water inlet pipe; a second-level filter unit, which is connected to the outlet of the first-level filter unit through a connecting pipe; a sewage discharge unit; connected to the sewage outlet of the first-level filter unit; The treated water enters the first-stage filter unit through the water inlet pipe, and is separated from solid and liquid by the first-stage filter unit, and the separated water is transferred to the second-stage filter unit through the connecting pipe for adsorption treatment. The drain of the secondary filter unit is discharged; the suspended solids separated in the primary filter unit are discharged through the sewage unit. The sewage discharge unit provided in the present invention is used to timely and effectively treat the separated suspended solids. At the same time, the water can be treated in multiple stages to improve the filtration efficiency.

Description

technical field [0001] The invention belongs to the technical field of filtering devices, and in particular relates to a pressure filtering system and a filtering method thereof. Background technique [0002] At present, in water treatment, in order to improve the strength of water treatment and increase the cleanliness of filtered water, multi-stage filtration is set, but no matter how many stages of filtration, the filters located in the first and second filter units Solid-liquid separation is required, such as sludge, particles, etc. It is precisely because of the gradual increase of mud and particles due to unclean backwashing that the filtered water quality decreases and head loss increases, so that frequent shutdowns are required to manually remove the filter material for cleaning. Contents of the invention [0003] In order to solve the technical problems in the above-mentioned background technology, the present invention provides a pressure filtration system with ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/02C02F101/12
CPCC02F1/001C02F1/44C02F2101/12C02F2303/24
Inventor 周魁张永栋卫勇
Owner NANJING SUHUAN ENVIRONMENTAL INTERCONNECTION TECH CO LTD
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