Cleaning and liquid contact with solids – Processes – Including use of vacuum – suction – or inert atmosphere
Patent
1985-08-22
1989-04-18
Sneed, H. M. S.
Cleaning and liquid contact with solids
Processes
Including use of vacuum, suction, or inert atmosphere
15316A, 15312R, 15319, 15320, 15406, 55356, 55418, 553412, B08B 504
Patent
active
048224308
ABSTRACT:
A method and apparatus for use in cleaning residue from boiler tubes including a housing having an upper chamber and a lower chamber separated by a wall having a plurality of openings permitting airflow from the lower chamber into the upper chamber. A vacuum is generated in the upper chamber and filter bags surround the openings for filtering air flowing through said openings. A vacuum hose is connected to the lower chamber and is adapted to be connected to one end of the boiler tube. An air driven tool is inserted into the opposite end of the boiler tube to remove material from the inside of the boiler tube. The bottom of the lower chamber defines a trough adapted to receive particulate material cleaned from the elongated tubes. An auger is housed in the trough for selectively discharging the particulate material from the trough. A spray nozzle is also provided for wetting soot as it is discharged from the trough.
REFERENCES:
patent: 3896520 (1975-07-01), Williams
patent: 4115896 (1978-09-01), Costanzo
patent: 4174549 (1979-11-01), Michelson
patent: 4287635 (1981-08-01), Jacobs
patent: 4393538 (1983-07-01), Olson
patent: 4464810 (1984-08-01), Karpanty
Cohen Sharon T.
Sneed H. M. S.
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