Cross-flow submerged membrane filter core

A submerged membrane and cross-flow technology, applied in membrane technology, semi-permeable membrane separation, chemical instruments and methods, etc., can solve problems such as easy clogging and pollution

Active Publication Date: 2013-06-26
杭州澳科过滤技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the defects that common submerged membrane elements are easy to block and pollute

Method used

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  • Cross-flow submerged membrane filter core
  • Cross-flow submerged membrane filter core
  • Cross-flow submerged membrane filter core

Examples

Experimental program
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Embodiment Construction

[0036] The present invention is further described below in conjunction with accompanying drawing.

[0037] refer to figure 1 and figure 2 , The cross-flow submerged hollow fiber membrane filter element is composed of a connection sleeve 6, a fiber membrane installation handle 5, a fiber membrane component and a fiber membrane fixed end plate 1. The connecting sleeve 6 is installed on the outer surface of the upper end of the fiber membrane installation handle 5, the fiber membrane component is installed on the lower end of the fiber membrane installation handle 5, and the fiber membrane fixed end plate 1 is installed on the lower end of the fiber membrane component. The upper end of the fiber membrane installation handle 5 has a cross-flow interface 8, and the side surface of the connection sleeve 6 has a clear filtrate interface 7. The cross-flow submerged hollow fiber membrane filter element is fixed at a corresponding position through the installation hole 16 of the fibe...

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PUM

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Abstract

The invention relates to a submerged membrane filter core, and relates to a filter core used in liquid filtration. The filter core is composed of connection pipe coupling sleeves, a mounting handle, a membrane part, and a fixing end plate. When filtration is operated, under the suction effect of a vacuum pump, part of the liquid in unfiltered liquid penetrates membrane-surface micro-pores and enters the inner cavity of hollow fiber membranes, such that a clear filtrate is produced; cross-flow liquid in a cross-flow pipe enters a central pipe through a cross-flow interface, and is injected to the surfaces of fiber membrane bundles through radial nozzle holes; the hollow fiber membranes are abraded with each other; under the cooperation of water current impaction, suspended matters adhered to the membrane surfaces are brought away. With the cross-flow submerged membrane filter core, high cross-flow speed is not needed. The distance between the radial nozzle holes and the fiber membrane bundle surfaces is short, operation with low cross-flow speed is maintained, and energy consumption is low. Cross-flow filtering and cross-flow washing can be carried out alternately.

Description

technical field [0001] The invention relates to a cross-flow submerged membrane filter core, which relates to a filter core used in liquid filtration, in particular to a cross-flow submerged membrane filter core. Background technique [0002] Most membrane elements are installed in pressure vessels and adopt cross-flow filtration. The basic principle of cross-flow filtration is to use a circulation pump to make the non-filtrate circulate in the membrane elements at a high speed. Part of the liquid passes through the micropores on the membrane surface and is discharged as the filtrate, while the suspended matter larger than the micropores on the membrane surface is trapped on the membrane surface to form a filter cake layer. The shear force generated when the non-filtrate flows through the membrane surface at high speed takes away the suspended solids attached to the membrane surface, making the filter cake layer thinner and preventing the clogging of the membrane elements. ...

Claims

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Application Information

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IPC IPC(8): B01D63/04
Inventor 赵晓东
Owner 杭州澳科过滤技术有限公司
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