Apparatus for descaling a process vessel

Details Apparatus for descaling a process vessel Apparatus for descaling a process vessel

1992-03-23

1993-01-19

Hornsby, Harvey C.

Brushing, scrubbing, and general cleaning

Attachments

Tank cleaners

15104096, 1510407, 299 70, F22B 3748

Patent

active

051797577

ABSTRACT:
Apparatus for removing deposits from the interior surface of a vessel wall including an elongated support column having its upper end attached to a cable to position the support column vertically within the vessel. A hammer assembly pivotally and rotatably attached to the lower end of the support column and a plurality of cylinders having one end pivotally connected to the lower end of the support column and a contact member at the other end for contacting the inner surface of the vessel wall to position the hammer assembly horizontally within the vessel. A motor on the lower end of the support column to rotate the hammer assembly about the longitudinal axis of the support column and hydraulic cylinders connected to the hammer assembly to pivot the hammer assembly relative to the longitudinal axis of the support column and to slide the hammer assembly relative to the longitudinal axis of the support column to position the bit on the hammer relative to the inner surface of the vessel wall.

REFERENCES:
patent: 1325638 (1919-12-01), Healey
patent: 1569203 (1926-01-01), Rice et al.
patent: 2170660 (1939-08-01), Langmyhr
patent: 2710418 (1955-06-01), Putnum
patent: 3302976 (1967-02-01), Grant
patent: 3370888 (1968-02-01), Skendrovic
patent: 3471888 (1969-10-01), Grant et al.
patent: 3679477 (1972-07-01), Zimmer
patent: 4210976 (1980-07-01), Apelt et al.
patent: 5020183 (1991-06-01), Grant, Jr.

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