Wall protection from downward flowing solids

Details Wall protection from downward flowing solids Wall protection from downward flowing solids

1999-05-06

2000-04-04

Walberg, Teresa J.

Liquid heaters and vaporizers

Tube sheets

122511, 122DIG13, 12223511, 12223512, 12223514, F22B 3710

Patent

active

060448059

ABSTRACT:
A tube wall, division wall, or wing wall section for a circulating fluidized bed boiler with improved erosion resistant characteristics has a reduced diameter tube section adjacent the refractory covered by an abrasion resistant refractory tile. The refractory tile is mounted to the reduced diameter tube section with the upper edge of the refractory tile outside of or not extending beyond a solids fall line of solids in the fluidized bed to eliminate exposed discontinuities.

REFERENCES:
patent: 4538550 (1985-09-01), Haller et al.
patent: 4721069 (1988-01-01), Kreider
patent: 5107798 (1992-04-01), Gerep
patent: 5755188 (1998-05-01), Phelps

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