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Pleated filter

A filter screen and filter screen technology, applied in the field of filter screen, can solve the problems of inconvenient maintenance and replacement, short service life of inner steel wire mesh, etc., and achieve the effects of improving filtering effect, long service life, and convenient installation and maintenance.

Active Publication Date: 2011-12-28
WISDRI ENG & RES INC LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The structure of "grid + fine mesh" has two disadvantages in actual production: ①The service life of the inner steel wire fine mesh is short; ②The two-layer structure makes maintenance and replacement inconvenient

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] Such as Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 As shown, the pleated filter screen includes an outer frame 12, a rib plate 13, a filter screen 14, and an end sealing plate 15; Said wave type), the left and right ends of filter screen 14 are welded with outer frame 12 respectively ( Figure 4 The right side of the filter screen 14 is the right end, the left side is the left end; the paper is the rear end, facing the viewer is the front end), the valley bottom surfaces of the front and rear ends of the filter screen 14 are welded with the outer frame 12 respectively; the front and rear ends of the filter screen 14 are respectively welded with end sealing plates 15, the end sealing plate 15 is welded with the outer frame 12, and the frame inner hole 18 on the outer frame 12 is located in the space surrounded by the filter screen 14 and the end sealing plate 15; the filter screen 14 is provided with a filter hole 17, and the filter The hole 17 commun...

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Abstract

The invention relates to a filter net, which is applied to a blast furnace slag treatment system. The pleated filter screen is characterized in that it includes an outer frame, a filter screen, and an end sealing plate; the filter screen is pleated, and the left and right ends of the filter screen are respectively welded to the outer frame; the front and rear ends of the filter screen are respectively welded with ends The sealing plate, the end sealing plate is welded with the outer frame, and the frame inner hole on the outer frame is located in the space surrounded by the filter screen and the end sealing plate; there is a filter hole on the filter, and the filter hole is in the frame on the outer frame. The holes communicate with each other; there is a long hole on the end sealing plate, and the long hole communicates with the inner hole of the frame on the outer frame; the outer frame is provided with a fixing hole. The pleated filter screen has the characteristics of long service life, convenient installation and maintenance, and good filtering effect.

Description

technical field [0001] The invention relates to a filter net, which is applied to a blast furnace slag treatment system. Background technique [0002] Most domestic blast furnaces adopt drum-type slag filtering devices (or drum-type slag separation devices), and filter screens are installed on the drums. [0003] Such as figure 1 , figure 2 , image 3 As shown, the rotary drum type water slag filter device consists of a transmission device 1, a feeding device 2, a rotary drum 3, a support wheel 4, a slag sand collecting bucket 10, a belt conveyor 11, an outer cover 5, a compressed air purging device 6, Purified water cleaning device 7 and other components; the outer wall of the drum 3 is equipped with an outer net 8, and the inside of the drum is equipped with a blade net 9, and the two ends of the drum are supported on four supporting rollers 4 through rails, and the transmission device 1 Drive the drum 3 to rotate; the water slag mixture in the blast furnace productio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D29/07
Inventor 盛正平胡雪萍周强刘潭璟崔伟门春宏张良田杰王文聪闫朝付朱必炼
Owner WISDRI ENG & RES INC LTD
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