Air lance reel for catalyst unloading of tubular reactors

Details Air lance reel for catalyst unloading of tubular reactors Air lance reel for catalyst unloading of tubular reactors

1991-06-20

1993-07-20

Cusick, Ernest G.

Fluent material handling, with receiver or receiver coacting mea

Evacuation apparatus

141 67, 141 91, 134166C, 134169C, 15345, 15315, 242 862, B08B 906

Patent

active

052284840

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.

REFERENCES:
patent: 3916960 (1975-11-01), Thompson
patent: 4115070 (1978-09-01), Jukkola et al.
patent: 4669145 (1987-06-01), Kehr
patent: 4820496 (1989-04-01), Sapoff
patent: 4896686 (1990-01-01), Schmidt, Jr. et al.
patent: 4935984 (1990-06-01), Bryant et al.
patent: 4993443 (1991-02-01), Buchert
patent: 44994291 (1991-02-01), Sapoff
patent: 5028314 (1991-07-01), Goldberger et al.
patent: 5114685 (1992-05-01), Sapoff

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