Corrugated filter screen
A filter and pleat technology, applied in the filter field, can solve the problems of inconvenient maintenance and replacement, short service life of the inner steel wire fine mesh, etc., and achieve the effect of improving the filtering effect, long service life and increasing the filtering area
Active Publication Date: 2009-11-18
WISDRI ENG & RES INC LTD
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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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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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The invention relates to a corrugated filter screen which is used in a blast furnace grain slag treatment system. The corrugated filter screen is characterized in that the screen is composed of an outer frame, a filter screen and end head closing plates; the filter screen is of corrugated type, the left and the right side of the filter screen are separately welded with the outer frame; two end head closing plates are separately welded on the rear end and the front end of the filter screen, the end head closing plates are welded with the outer frame, intraframe holes of the outer frame are positioned in the space formed by the filter screen and the end head closing plates; filter holes are arranged on the filter screen, the filter holes are communicated with the intraframe holes of the outer frame; long holes are arranged on the end head closing plates, the long holes are communicated with the intraframe holes of the outer frame; mounting holes are arranged on the outer frame. The corrugated filter screen has long service life, simple installation and detection, and good filtration 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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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