Filtering dusty gas in improved panel bed

Details Filtering dusty gas in improved panel bed Filtering dusty gas in improved panel bed

1974-08-28

1977-01-25

Nozick, Bernard

Gas separation

Means within gas stream for conducting concentrate to collector

55 98, 55282, 55350, 55479, 55487, B01D 4604

Patent

active

040048977

ABSTRACT:
There is provided an improved panel bed of granular material useful for filtering dust from a gas and especially suitable for construction in tall panels of high gas-treating capacity. Free surfaces for entry of gas are supported cooperatively by "chevron louvers" each having an upper and a lower surface, articulated at an edge joint within the panel bed. The upper surface has an outer edge that supports the outer edge of a given free surface, and the lower surface has an outer edge contiguous with the inner edge of the next subjacent free surface. Cleaning is by puffback to remove dust accumulated on the gas entry surfaces during filtration along with a portion of the granular material. A line drawn through the outer edge of the lower surface of a louver and the edge joint of the next subjacent louver forms an angle of less than about 60.degree. to the horizontal, preventing dust that has penetrated into the panel bed from being dragged downward within the bed during the puffback cleaning.

REFERENCES:
patent: 3296775 (1967-01-01), Squires
patent: 3912466 (1975-10-01), Zenz

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