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Suction-blowing filtering system

A filtration system and drum filtration technology, applied in the direction of filtration separation, mobile filter element filter, separation method, etc., can solve the problems of low filtration efficiency and easy clogging of soft solids, and achieve good practical effect, high-efficiency solids filtration, The effect of high filtration efficiency

Active Publication Date: 2021-07-13
JINAN UNIVERSITY
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The present invention provides a suction blowing filtration system to overcome the low efficiency of soft solid filtration and easy clogging described in the prior art

Method used

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  • Suction-blowing filtering system
  • Suction-blowing filtering system

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Embodiment 1

[0026] Such as Figure 1 to Figure 4As shown, a suction-blowing filtration system includes a drum filter system for solid-liquid separation, a gas delivery system, and a liquid delivery system for delivering raw liquid and discharging filtrate for the drum filter system. The drum filter system includes a socket The outer cylinder 4 fixed on the base 1 and the rolling inner cylinder 5 whose wall is a filter screen form a closed space between the subordinate outer cylinder 4 and the rolling inner cylinder 5 and are provided with an outer cylinder suction for forming a negative pressure suction firm body The air pipe 12 and the rolling inner cylinder 5 can be rolled in the circumferential direction. The drum filtration system also includes a solid dehydration purging device 20 , a solid desorption blowing device 14 , and a desorption solid collection device 16 .

[0027] In this embodiment, a suction blowing filtration system is provided with a drum filtration system connected wi...

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Abstract

The invention relates to the technical field of water treatment, in particular to a suction-blowing filtering system. The suction-blowing filtering system comprises a roller filtering system, a gas conveying system and a liquid conveying system, the roller filtering system is particularly suitable for filtering soft and easily-blocked solids, the roller filtering system is connected with air intake and exhaust equipment through an air suction and blowing control system, and the roller filtering system automatically controls and manages stock solution input and filtration liquid discharge through the liquid conveying system. By arranging the roller filtering system communicated with the gas conveying system and the liquid conveying system, the soft stock solution is separated by utilizing the fixedly arranged outer barrel and the rolling inner barrel, and solid-liquid separation is carried out on soft solids on a filter screen of the rolling inner barrel through negative pressure of the outer barrel; and solid is collected and the filter screen is cleaned in an air blowing manner, so that high efficiency of the filter screen is kept to the greatest extent while high-efficiency solid-liquid separation is realized, and the system is particularly suitable for dehydrating flaky high-water-content substances such as blue-green algae.

Description

technical field [0001] The invention relates to the technical field of water, and more specifically, to a suction-blowing filtration system. Background technique [0002] With the rapid development of domestic industry and agriculture, the water environment has deteriorated, causing the flooding of blue-green algae and the like. Because cyanobacteria are extremely small and sticky, it is easy to pollute the filter medium, resulting in a sharp decline in filter performance. Most of the existing filtration technologies use continuous pressure, which is particularly easy to plug the filter holes when filtering soft solids, and once plugged, the filter screen will lose its effectiveness. Therefore, at present, filtration is rarely used to remove cyanobacteria, and only sand tanks are used to filter water bodies with low cyanobacteria concentration, but it will cause sand pollution. [0003] In the invention patent with the publication number CN108579199A, a cyanobacteria filte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D33/11B01D33/50B01D33/76B01D33/80B01D33/66
CPCB01D33/11B01D33/76B01D33/807B01D33/50B01D33/503B01D33/80B01D33/663Y02W10/37
Inventor 陈旗新蒋雨洁张冠群曾永平
Owner JINAN UNIVERSITY
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