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Vertical external pressure composite film filtering system

A composite membrane, vertical technology, applied in membrane, ultrafiltration, membrane technology and other directions, can solve the problems of large number of membrane elements, large hidden troubles, high cost, and achieve the effect of improving filtration efficiency, expanding applicability, and simple structure

Active Publication Date: 2014-04-23
GREENTECH ENVIRONMENTAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing vertical pressure membrane filtration system is generally composed of shelled hollow fiber membrane elements in the pressure vessel, water inlet pipe (main pipe and branch pipe), water production pipe (main pipe and branch pipe), concentrated water pipe (main pipe and branch pipe), membrane The membrane elements are connected in parallel on both sides of the pipeline, and the system is complex
Moreover, due to the small processing capacity of a single membrane element, the system uses a large number of membrane elements, which leads to high cost and great potential for failure.
Moreover, the pressure membrane filtration system is not compatible with the submerged membrane filtration system, which is not conducive to the compatibility of the system.

Method used

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  • Vertical external pressure composite film filtering system
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specific Embodiment 1

[0032] A kind of vertical external pressure composite membrane filtration system of the present invention, please refer to Figure 1 to Figure 7 , including at least one vertically arranged pressure vessel 1 with closed ends and a vertically arranged membrane element assembly enclosed in the pressure vessel 1, the membrane element assembly includes at least two vertically arranged parallel membrane elements 2, There is a gap 3 between the membrane element assembly and the pressure vessel 1, the upper end of the membrane element assembly is provided with an end plate 6, and the end plate 6 separates the inner space of the pressure vessel 1 into a closed upper end chamber 8 and the lower end cavity 7, the membrane element 2 includes an inner membrane filament 10, a vent hole 5 and an outer surface support and fixation device wrapped outside the membrane filament 10, and water seeps or infiltrates from the outer surface support and fixation device The pressure vessel 1 is provide...

specific Embodiment 2

[0035] A kind of vertical external pressure composite membrane filtration system of the present invention, please refer to Figure 1 to Figure 7 , On the basis of the specific embodiment 1, the upper end of the pressure vessel 1 can also be detachably provided with an upper cover 4 that seals the pressure vessel 1 . The advantage of setting the upper cover 4 is to close the pressure vessel 1, and the upper cover 4 can be opened during maintenance, which is convenient for maintenance and maintenance. Of course, the bottom can also be sealed. The pressure vessel 1 can be a pool made of concrete, or other sealed containers, as long as the upper part can be opened to install the membrane element 2 and the end plate 6 . In addition, the pressure vessel 1 can also be connected with multiple connections, such as two connections or four connections or more connections to form a large-scale membrane filtration system, and the membrane element assembly of one layer contains at least tw...

specific Embodiment 3

[0036] A kind of vertical external pressure composite membrane filtration system of the present invention, please refer to Figure 1 to Figure 7, on the basis of the specific embodiment 1 or the specific embodiment 2, the membrane element 2 may also include a sealing head 15 located at both ends of the membrane filament 10 and an end 16 located outside the sealing head 15, the sealing head 15 is arranged at the end of the membrane filament 10, and the end 16 fixes the sealing head 15, the membrane filament 10 and the outer surface supporting and fixing device together. Such a membrane element 2 can realize the application of external pressure osmosis, and because the area where sewage enters the membrane element 2 is too large, the filtration efficiency is improved and the applicability of the membrane filtration system is expanded. Of course, the membrane element 2 can also adopt other structures. As long as the outside of the membrane element 2 can seep water. A further pre...

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Abstract

An upright external pressure hybrid membrane filtration system, comprising at least one vertically arranged, sealed-end pressure vessel (1) and a vertically arranged membrane component assembly sealed within the pressure vessel (1). The membrane component assembly comprises at least two vertically arranged, parallel membrane components (2). The membrane component assembly and the pressure vessel (1) are provided therebetween with a gap (3). The membrane component assembly has arranged at an upper end-section thereof an end panel (6). The end panel (6) partitions the space within the pressure vessel (1) into a sealed upper end cavity (8) and a sealed lower end cavity (7). The membrane components (2) comprise internal membrane fibers (10), a venthole (5), and an external surface supporting-fixing apparatus coveringly arranged over the exterior of the membrane fibers (10). Water permeates outwards or inwards via the external surface supporting-fixing apparatus (11). The upper end cavity (8) of the pressure vessel (1) is provided with an upper end water inlet / outlet (13). The lower end cavity (7) of the pressure vessel (1) is provided with at least one lower end water inlet / outlet (14). Each pressure vessel (1) is arranged in parallel to another.

Description

technical field [0001] The invention relates to a membrane filtration system, in particular to a vertical external pressure composite membrane filtration system. Background technique [0002] The existing vertical pressure membrane filtration system is generally composed of shelled hollow fiber membrane elements in the pressure vessel, water inlet pipe (main pipe and branch pipe), water production pipe (main pipe and branch pipe), concentrated water pipe (main pipe and branch pipe), membrane The membrane elements are connected in parallel on both sides of the pipeline, and the system is complex. Moreover, due to the small processing capacity of a single membrane element, the system uses a large number of membrane elements, which leads to high costs and great potential failures. Moreover, the pressure membrane filtration system is not compatible with the submerged membrane filtration system, which is not conducive to the compatibility of the system. Contents of the inventi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D61/00B01D63/04
CPCB01D2313/06B01D63/04B01D2313/20B01D61/18B01D2313/16
Inventor 张慧春
Owner GREENTECH ENVIRONMENTAL CO LTD