Upflowing and compressable filtration system

A filtration system and water filtration technology, applied in the direction of loose filter material filter, filtration separation, gravity filter, etc., can solve the problems of large floor space, unsuitable for large-scale municipal water treatment, membrane pollution, etc. The effect of floor space

Inactive Publication Date: 2005-01-19
TONGFANG ENVIRONMENT
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Problems solved by technology

However, the filtration effect is not ideal, and the removal rate of the two types of filters for suspended solids and suspended solid particle diameter indicators cannot meet the filtration accuracy requirements of suspended solids ≤ 1mg / L and median particle size ≤ 1μm
If it is required to meet the requirements of this index, membrane technology must be used, and the technical solutions using membrane technology have membrane pollution and cleaning problems, and the industrial application in some industries is immature or the investment is too high
For this reason, the applicant applied for a Chinese patent with the application number 02125489.3 on August 13, 2002, titled "a fiber ball filter device", which provides a mechanically compressible fiber ball filter , the filtration accuracy can best meet the requirements of suspended solids ≤ 1mg / L, median particle size ≤ 1μm, and reach the level of microfiltration membrane. High, not suitable for large municipal water treatment problems

Method used

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  • Upflowing and compressable filtration system
  • Upflowing and compressable filtration system
  • Upflowing and compressable filtration system

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Embodiment Construction

[0013] see figure 1 , an upward flow compressible filter system, the water filter tank 1 adopts the form of a filter tank, and its shape is a rectangular cylinder or a square cylinder, which is built from common ingredients in civil engineering. The filter material adopts soft filter material such as fiber balls, and a porous plate 6 that can block the filter material and a porous press plate 7 that can compress the filter material are placed in the water filter tank 1. The porous press plate 7 and the transmission shaft 8 that supports its up and down movement The transmission shaft 8 is connected with the transmission mechanism 9 fixed on the outer top of the water filter tank 1. The transmission mechanism 9 adopts the transmission form of a worm gear and a worm screw. The water inlet pipe 2 is arranged at the lower end of the water filter tank 1. The water outlet pipe 3 is placed on the upper end of the water filter tank 1, and an air diffuser 10 that can be connected to an...

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Abstract

A reverse flow compressible filtering system, especially a filtering device using flexible filter material such as fibrous globule relates to the field of water treatment. In the course of filtering, the water flows from bottom to top and the filtering speed is over 80 m / h. The filtering system provided by the invention can replace micro-filter membrane filtering system because of the high water output in unit filtering area.

Description

technical field [0001] The invention relates to the technical field of water treatment, in particular to a system for filtering water with soft filter materials such as fiber balls. Background technique [0002] At present, the filters commonly used in the water treatment industry are multi-media filters and soft filter media filters. The filter materials used in the former are mostly quartz sand, anthracite, garnet and walnut shells, etc., and the filter materials used in the latter are soft materials such as synthetic fibers. Filter materials, such as fiber balls (including comet fiber bodies), etc. At present, the ordinary soft filter material filter uses the self-weight of the filter material and hydraulically compresses the filter material layer, and the filtration accuracy can best reach the median particle size ≤ 3 μm, which is better than the multi-media filter. However, the filtration effect is not ideal, and the removal rate of the two types of filters for suspend...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D24/16
Inventor 罗敏
Owner TONGFANG ENVIRONMENT
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