Air lance reel for catalyst unloading of tubular reactors
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United States of America Patent
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-
Jul 20, 1993
Grant Date -
N/A
app pub date -
Jun 20, 1991
filing date -
Jun 20, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An air lance comprises a plastic tube supplied with air at high pressure and having an air outlet. The lance is inserted into catalyst tubes and supplies air for breaking up the catalyst for removal by vacuum means. An air-powered reel is used to dispense and retrieve the plastic lance when emptying the catalyst tubes.
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Cited Art Landscape
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