Self-cleaning filter for cigarette factories
A self-cleaning filter, cigarette factory technology, applied in the direction of dispersed particle filtration, application, household heating, etc. The effect of air volume purification and filtration requirements, increasing the cross-sectional area of the air inlet, and high space utilization
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Embodiment 1
[0018]Embodiment 1: referring to accompanying drawing, the self-cleaning type filter for cigarette factory of the present invention, in square support 1, built-in several concentric single-slope transverse U-shaped filter rings 2 (cross-section is right-angled trapezoidal) that fit alternately, filter ring length 1.2 The U-shaped straight surface is provided with a filter screen 2.1 composed of a plurality of arc-shaped inserts adjacent to each other, and the inclined surface 2.2 and the bottom surface are closed, so that the adjacent filter ring 2 forms a tapered filter inlet 3 with a wide cross-section, and the reverse To the cone-shaped air outlet 4 (filtering on the filter surface side). The filter screen 2.1 is a film-coated filter material covered with a PTFE polyester porous membrane on the oil-repellent and water-repellent plush filter surface. Rotary suction device for the filter surface in each filter ring, screw / nut rotating shaft 8 driven by power 7, and a rotating...
Embodiment 2
[0020] Embodiment 2: As in Embodiment 1, in order to make full use of the four corners of the circumscribed square frame, it is also possible to place a triangular arc plate filter unit or a plate bag compound filter unit between the outermost filter ring and the four corners of the square support to further Increase the filter area.
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