Slide arrangement

Details Slide arrangement Slide arrangement

2007-04-12

2008-09-16

McAllister, Steven B. (Department: 3749)

Furnaces

Fuel feeders

Feeder responsive to fuel bed height

C110S17300B, C110S122000, C110S219000, C110S176000, C034S242000, C432S242000, C251S193000, C251S188000

Reexamination Certificate

active

07424855

ABSTRACT:
A slide arrangement for blocking or closing off a channel disposed between a coal pulverizer and coal dust burners, and conveying a gas having a high proportion of coal dust. The slide arrangement includes a housing disposed in the channel wall and a shroud or steel structure laterally connected to the housing. A passage for a slide plate is provided in a wall of the housing facing the shroud or steel structure. The passage can be closed off by a closure member except for a narrow gap. The closure member has a circumferential seal that rests against the rearward side of the housing wall. The closure member also has a wear plate that when the closure member is closed is flush with the inner side of the housing wall and forms a smooth passageway.

REFERENCES:
patent: 3722857 (1973-03-01), Townsend
patent: 3985262 (1976-10-01), Nauta
patent: 5261576 (1993-11-01), Shirley
patent: 6260490 (2001-07-01), Wark et al.
patent: 246603 (1986-03-01), None
patent: 4243684 (1994-06-01), None

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