System for removing and replacing the journal rolls from a coal-

Details System for removing and replacing the journal rolls from a coal- System for removing and replacing the journal rolls from a coal-

1983-12-22

1985-07-16

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

With separation or classification of material

241121, 241285A, B02C 1500

Patent

active

045291365

ABSTRACT:
Jacks are positioned about the base of a coal pulverizing bowl mill to elevate the separator housing which contains and supports the journal rolls. The separator housing is raised by the rollers attached to the jacks. Once raised, the housing is rotated to sequentially position the access door of each journal roll to the front of the mill. A mobile crane conveyance is stationed at the front of the mill to remove and replace each journal roll through its access door.

REFERENCES:
patent: 2848170 (1958-08-01), Crites
patent: 4127237 (1978-11-01), Mehta et al.
patent: 4133488 (1979-01-01), Heinemann et al.
patent: 4372496 (1983-02-01), Maliszewski

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