Condensate removal from high speed roll

Details Condensate removal from high speed roll Condensate removal from high speed roll

1998-10-19

2000-04-04

Gravini, Stephen

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

34125, F26B 1102

Patent

active

060445750

ABSTRACT:
A rotary steam heated roll of the type having a series of circumferentially spaced, generally parallel and axially extending condensate channels or open-ended steam tubes in the cylindrical outer wall, includes at least one condensate removal pump associated with a channel or steam tube to positively pump condensate which rims at high speed radially inward to the center of the roll for discharge. A preferred embodiment includes a plurality of small piston pumps driven in response to roll rotation and timed to provide sequential circumferential operation.

REFERENCES:
patent: 2893136 (1959-07-01), Justus et al.
patent: 3303576 (1967-02-01), Sisson
patent: 4501075 (1985-02-01), Jenker et al.
patent: 4556450 (1985-12-01), Chuang et al.
patent: 5878507 (1999-03-01), Schiel et al.
patent: 5899264 (1999-05-01), Marschke

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