Gas separation – With nonliquid cleaning means for separating media – For moving indefinite or continuous length separating media
Patent
1981-06-15
1983-03-22
Lindsay, Jr., Robert L.
Gas separation
With nonliquid cleaning means for separating media
For moving indefinite or continuous length separating media
55302, 65 10, 209 23, 209 31, 209 35, B01D 4604
Patent
active
043774016
ABSTRACT:
Method and filter apparatus for extracting entrained lint particles from an effluent air stream prior to discharge into the atmosphere. The filter apparatus and method are used in combination with a vertical settling chamber for separating relatively dense fiber product from airborne lint entrained in a product stream. The filter apparatus includes a housing forming an air stream inlet, a product discharge outlet and a clean air outlet. A rotatable screen is interposed between the air stream inlet and the clean air outlet for collecting the entrained lint on the screen as the effluent air stream flows through the screen for discharge into the atmosphere. Bulk fiber product which settles to the bottom of the chamber is discharged through a rotary valve in the product discharge outlet. The accumulated lint deposit is presented to the product discharge outlet as the screen turns. Compressed air is discharged through the screen from inside to outside which cleans the accumulated lint deposit from the rotating screen. In a preferred embodiment, the rotary screen comprises a drum having a cylindrical screen surface for accumulating the lint deposit, with both ends of the drum being rotatably sealed against the settling chamber housing by a resilient sealing member.
REFERENCES:
patent: 3472002 (1969-10-01), Brown et al.
patent: 3499267 (1970-01-01), King, Jr. et al.
patent: 3864107 (1975-02-01), Baigas, Jr.
patent: 4193779 (1980-03-01), Hencke
patent: 4253855 (1981-03-01), Jackson et al.
patent: 4268294 (1981-05-01), Laughlin et al.
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