High energy arc ignition of pulverized coal

Details High energy arc ignition of pulverized coal High energy arc ignition of pulverized coal

1979-02-22

1980-10-21

Favors, Edward G.

Furnaces

Process

Burning pulverized fuel

110263, 431 2, 431264, F23D 100

Patent

active

042287472

ABSTRACT:
An electrical discharge is controlled in such a manner as to permit its use to reliably ignite a fuel stream consisting of pulverized coal entrained in air. The ignition technique of the present invention creates expanding and contracting plasma pockets at a rate which is high compared to the velocity of the fuel stream and permits the ignition of the fuel stream in a cold furnace and/or without supplemental combustion of liquid or gaseous hydrocarbon fuels.

REFERENCES:
patent: 3007084 (1961-10-01), Thomasian et al.
patent: 4019851 (1977-04-01), Smith et al.
patent: 4089628 (1978-05-01), Blackburn
patent: 4147116 (1979-04-01), Graybill

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