Ignition system for coal gasifier

Details Ignition system for coal gasifier Ignition system for coal gasifier

1979-11-26

1983-02-08

Bashore, S. Leon

Gas: heating and illuminating

Generators

Cupola

48 87, 48DIG2, 110165R, 110266, C10J 368

Patent

active

043727549

ABSTRACT:
An ignition burner and a pilot burner form part of an ignition system for a fluidized stream of finely-divided coal particles in a pressurized gasifier housing having a slag overflow pipe coupled to a discharge vessel. A fuel supply pipe delivers fuel for combustion by the ignition burner and the pilot burner. A sparkplug or hot wire is used to ignite the fuel delivered to the ignition burner. The flame produced by the ignition burner is widened by a baffle so that ignition by the pilot burner occurs to produce a flame which is monitored through a thermocouple. The parts forming the ignition system are carried by a pair of levers with pivots on the inner wall of a slag overflow pipe for movement between an operative position wherein the ignition burner is situated near the slag-receiving opening of the overflow pipe and an inoperative position wherein the ignition burner is protected from contact by slag and radiation heating. The ignition burner moves within substantially only one plane extending through the centerline of said slag overflow pipe.

REFERENCES:
patent: 2285704 (1942-06-01), Frank
patent: 3782884 (1974-01-01), Shumaker
patent: 3907340 (1975-09-01), George
patent: 4073627 (1978-02-01), Anderson

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