Pulverized coal fired package boiler

Details Pulverized coal fired package boiler Pulverized coal fired package boiler

1976-04-05

1977-06-28

Sprague, Kenneth W.

Liquid heaters and vaporizers

Water tube

Straddle

122235N, F22B 2114

Patent

active

040318613

ABSTRACT:
A "package-type" boiler fired by pulverized coal that is adapted to be constructed and assembled in a shop then shipped as a completed unit to a given plant site. The boiler is provided with tube walls extending between longitudinally disposed drums that simultaneously provide optimum heat transfer along with internal support. The walls are bent to a configuration that imparts to the boiler a hopper-shaped bottom wall on opposite sides of an elongate throat through which solid products of combustion may be discharged.

REFERENCES:
patent: 2153592 (1939-04-01), Rohrer
patent: 2393205 (1946-01-01), Tiemeier
patent: 2526416 (1950-10-01), Rehm
patent: 2583599 (1952-01-01), Schoessow
patent: 3022774 (1962-02-01), Hamilton et al.
patent: 3257992 (1966-06-01), Bishop
patent: 3476090 (1969-11-01), Shiekh
patent: 3841275 (1974-10-01), Bisbee

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