Step grate for mechanical stoker with flexible fire grate

Details Step grate for mechanical stoker with flexible fire grate Step grate for mechanical stoker with flexible fire grate

1980-06-12

1982-10-12

Favors, Edward G.

Furnaces

Including means to feed solid fuel

Movable grate

110273, 110329, 198630, F23H 708

Patent

active

043533159

ABSTRACT:
A flexible, perforate grate, e.g. made of a mat of meshed metal chain links or wirecloth belting, is provided at intervals spaced across its length, with individually extensile/retractile supports. By coordinately extending and retracting the supports, the material fed onto the grate at one margin can be walked, rolled, tumbled and similarly redistributed and moved across the grate to the opposite margin, and, for instance dumped off the far edge of the grate into a residue collecting system. The grate may be basically horizontal, or it may have a general cascade-like tilt either forwards or rearwards. In one embodiment, the supports are seen each having a grate mat contact member which pivots during extension and retraction in order to further alter the shape of the grate mat intervening two adjacent supports.

REFERENCES:
patent: 1958322 (1934-05-01), Symington
patent: 4200047 (1980-04-01), Knorr

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