Highly Integrated Hollow Fiber Column Filter

Abstract

The invention discloses a highly integrated hollow fiber column filter, which belongs to the technical field of filtration in water treatment, and mainly includes a water inlet, a shell, a hollow fiber column, a water outlet, an air inlet, a first partition, and a second partition. Several hollow fiber columns are distributed in a circle in the housing. During normal filtration, the water inlet and outlet are opened, and the air inlet is closed. The filtered water passes through the hollow fiber columns covered with filter cloth from outside to inside, and impurities in the water are retained when passing through the filter cloth. . When backwashing, the clean water flow is opposite to that of filtration, and the filter cloth is backwashed from the inside to the outside, and the air inlet is opened at the same time, the backwashing gas enters the air cavity from the air inlet, and is distributed through the air distribution pipe on the second partition to the The air in each hollow fiber column and the air distribution pipe strongly sweeps the fibers on the filter cloth, and the backwashing of the backwashing water flow and the strong sweeping of the air flow are carried out at the same time, resulting in a good backwashing effect. Compared with the prior art, the invention has many advantages such as good regeneration effect and good effluent quality.

Description

Technical field: [0001] The invention relates to a filter in water treatment, in particular to a filter cloth filter which can be thoroughly backwashed and regenerated. Background technique: [0002] With the improvement of people's quality of life, new requirements are put forward for the protection of the natural environment, especially the protection and reuse of water resources that are closely related to people's lives is particularly important, whether it is domestic water supply, reclaimed water reuse, industrial water, chemical industry Water production, as well as well water, river water, etc. all need to be filtered to obtain clean water and reasonable reuse, so as to achieve the purpose of protecting water resources and saving water. [0003] The filter cloth filter (pool) was developed in the 1990s. It is a new type of sewage treatment equipment. Compared with traditional filter equipment, such as sand filter and fiber ball filter, its process is simple and easy ...

AI Technical Summary

Problems solved by technology

Ordinary filter cloth filter (pool), such as the Chinese utility model patent "Fiber Rotary Disc Filter for Sewage Advanced Filtration Treatment" with the patent number 200720173409.9 (the announcement number is CN201085959Y) and the patent number 200910097605.6 (the announcement number is CN101549222A) The Chinese invention patent "A Kind of Filtration Pool", etc., all use filter discs (or filter cores) outsourcing filter cloth to replace the sand filter material / fiber filter material of traditional filters (pools). The filter cloth has a small pore size and can retain Tiny particles with a particle size of several microns, so the quality of the effluent water is relatively stable. The suspended solids in the water to be treated form a layer of suspended solids on the filter cloth, which increases the head loss and causes the water pressure (level) in the filter (pool) to rise. , when the water pressure (position) reaches the predetermined water pressure (position) or time, use filtered water or an external water source to backwash the filter cloth. Since there is only water backwashing, it is impossible to achieve thorough backwashing and the water consumption is large. It is a big bottleneck that plagues the existing filter cloth filtration technology. In addition, because the outsourcing filter cloth of the filter plate or filter cartridge frame has a large area, once there is partial damage, the entire filter cloth must be replaced, which is inconvenient to replace and also would result in a large waste of resources

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