In-service cleaning of columns

Details In-service cleaning of columns In-service cleaning of columns

1994-01-11

1996-04-30

Bascomb, Jr., Wilbur

Distillation: apparatus

Apparatus

Systems

202163, 202198, 202241, 55242, 134 2212, 134 2215, 134201, 122390, 165 95, 196122, 196126, 196127, 261DIG39, B01D 316, B08B 900

Patent

active

055121403

ABSTRACT:
This invention discloses a method of in-service cleaning an operating column by inserting into the column a lance through which a compatible liquid is dispensed at a pressure of at least about 5000 psig. Also disclosed is apparatus which comprises a column through which a fluid can pass, nozzles mounted on the outside of the column, where each nozzle comprises a flange welded to the column and a valve bolted to the flange, a lance which can be inserted through the nozzles into the column and means for dispensing a liquid through the lance at a pressure of at least about 5000 psig.

REFERENCES:
patent: 1357276 (1920-11-01), Day
patent: 1912640 (1933-06-01), Huff
patent: 2248109 (1941-07-01), Morrison et al.
patent: 2678199 (1954-05-01), Koch
patent: 2691665 (1954-10-01), Bailey
patent: 4569364 (1986-02-01), Keller et al.
patent: 5330624 (1994-07-01), Ebert

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