Gas separation – Flexible or collapsible bag type – With securing or supporting means
Patent
1980-11-10
1982-08-24
Lacey, David L.
Gas separation
Flexible or collapsible bag type
With securing or supporting means
2103232, B01D 4602
Patent
active
043459242
ABSTRACT:
This invention relates to filter tubes arranged in a gas-dust removing filter apparatus, and adapted to be cleaned by counterflow scavenging. Such filter tubes are provided with a seal at the clean gas side of a perforated partition which subdivides the filter apparatus, containing the filter tubes, into a dust-removing chamber and a clean gas chamber. The seal includes a clamping frame to grip the rim of the open mouth of a filter tube in resilient manner between itself and the partition. The filter tubes, which are inserted into the dust-removing chamber by way of the perforations of the partition, are each provided with a rigid internal spacing element. Further, in accordance with the invention, the clamping frame is connected to a spring means which engages the spacing element inside a filter tube, and is placeable in a position to bear against the dust-laden gas side of the partition, when being stressed. The parts of the clamping frame and the structure of the spring means connected to the clamping frame, also support, at the partition, the confronting end of the spacing element which terminates in front of the partition.
REFERENCES:
patent: 4089664 (1978-05-01), Noland
patent: 4157900 (1979-06-01), Margraf
patent: 4194894 (1980-03-01), Noland
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