Method of combustion and burners

Details Method of combustion and burners Method of combustion and burners

1984-06-12

1986-03-25

Favors, Edward G.

Furnaces

Process

Burning pulverized fuel

110263, F23D 100

Patent

active

045775672

ABSTRACT:
A composition comprising a particulate fuel, typically pulverized coal, carried in water is formed such that it is readily able to be pumped without adding emulsifiers or lubricants to the composition. The composition typically includes at least 25% water and preferably 30 to 50% water. The composition is pumped to a burner 2 and is atomized therein, typically by means of a stream of oxygen supplied through a passage 6 in the nozzle 6 of the burner. This oxygen is taken from that supplied to a further passage for supporting combustion of the particulate fuel. A relatively short and intense flame can be produced at relatively low coal concentrations in the composition such that the need to use expensive emulsifiers etc. is avoided.

REFERENCES:
patent: 3124086 (1964-03-01), Sage et al.
patent: 4211174 (1980-07-01), Martin et al.
patent: 4380960 (1983-04-01), Dickenson

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