Coal burning process

Details Coal burning process Coal burning process

1977-09-22

1980-02-05

Yuen, Henry C.

Furnaces

Process

Burning pulverized fuel

110229, 110106, 110306, 110260, 48202, F23K 104

Patent

active

041866690

ABSTRACT:
This process is for devolatilizing coal to produce a volatile hydrocarbon gas leaving a residue of unburned coal. The volatile hydrocarbon gas and other coal or said residual coal are thereafter burned together in a common furnace. The volatilization of the coal may be carried out substantially endothermically, and preferably on the plant site where the burning of the volatilized hydrocarbon takes place together with other coal or the residue coal. The volatile matter is removed from the coal in a volatile state before the residue coal exits from the burner nozzle and then enters the combustion chamber where the volatilized hydrocarbon gas and residue coal are burned together. The removed volatilized hydrocarbon gas can be placed within the same coal burning plant to join with the unburned residual coal, passing to the burner to burn therewith.

REFERENCES:
patent: 744220 (1903-11-01), Neu
patent: 2494070 (1950-01-01), Thomas
patent: 2623011 (1952-12-01), Wells
patent: 2662816 (1953-12-01), Kalbach
patent: 3229651 (1966-01-01), Wasp
patent: 3250236 (1966-05-01), Zelinski
patent: 3446014 (1969-05-01), Foster-Pegg
patent: 3847563 (1974-11-01), Archer et al.
patent: 3884649 (1975-05-01), Matthews
patent: 3991557 (1976-11-01), Donath

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