Flushing-free multistage high efficiency filter

Abstract

The invention provides a flushing-free multistage high efficiency filter, which comprises a casing with a liquid inlet, a liquid outlet and a water outlet, an inner filter membrane column and an outer filter membrane column are provided in the casing, an inner filter water outlet channel and an outer filter water outlet channel are respectively provided at the inner side of the inner filter membrane column and the outer side of the outer filter membrane column, an inner water output pipe with a through hole which is characterized in that two ends of the inner water output pipe extend outside the casing is provided in the inner filter water outlet channel, the inner filter water outlet channel and the water outlet on the casing are communicated, a rotating brush roller with an inner brush and an outer brush is provided between the inner filter membrane column and the outer filter membrane, a first end head with a through hole is provided at one end of the rotating brush roller, a second end head with the through hole is provided at the other end, the first end head and the second end head are connected to the inner outlet pipe through a bearing and a bearing pedestal, wherein the first end head or the second end head are connected to a power wheel through the bearing pedestal. According to the invention, the materials blocked on the filter membrane column can be continuously removed, the water flow is increased, the backwashing on the filter membrane column is not required, thereby the filtering efficiency and the filtration yield can be increased by one time, and the flushing-free multistage high efficiency filter has the advantages of simple structure, reliable operation, water saving and consumption reduction, no environmental pollution and the like.

Description

[0001] technical field [0002] The invention relates to a filter for water and liquid treatment, in particular to a flush-free multi-stage high-efficiency filter, which belongs to the technical field of extraction and filtration equipment. Background technique [0003] Usually, after the filter has been used for a period of time, the filter membrane or filter screen therein must be cleaned to maintain its proper filtering effect. The existing cleaning methods include: multiple times and repeated backflushing with a liquid under pressure; cleaning with chemical reagents. When the backflushing method is used, the filtration work will be affected due to frequent backflushing, and the filtration productivity will be reduced; if the number of backflushing is reduced, it will cause clogging, and once the clogging is serious, it will not be possible to filter, and even the backflushing cleaning will be difficult. And also will increase the amount of recoil water, wasting precious...

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems that the use of backwashing in the prior art will affect production, reduce filtration productivity, and waste water resources, and the use of chemical reagents for cleaning will pollute the water body and increase production costs. The present invention provides a non-washing multi-stage high-efficiency filter

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