Furnaces – Utilizing powdered fuel – Having rotary flow means
Patent
1986-08-04
1987-09-01
Scott, Samuel
Furnaces
Utilizing powdered fuel
Having rotary flow means
110347, 431183, F23D 102
Patent
active
046900756
ABSTRACT:
An ignition and combustion supporting burner for pulverized solid fossil fuel comprises an axial conduit for feeding the pulverized fuel in a primary combustion supporting gas. The shape of a refractory tap-hole enables the initial part of the flame to be confined. A conduit for feeding tertiary combustion supporting gas is concentric with the tap-hole and partially or totally surrounds it. The burner also incorporates a flame detector device and an igniter in the refractory tap-hole or in the axial conduit. The axial conduit is provided with translation means providing for adjustment of the length of a chamber for preliminary mixing of the fuel and part of the combustion supporting gas comprised between the end of this conduit and the inlet of the tap-hole.
REFERENCES:
patent: 2485656 (1949-10-01), Raskin
patent: 3123027 (1964-03-01), Livingston
patent: 4173189 (1979-11-01), Cooper
patent: 4381718 (1983-05-01), Carver et al.
patent: 4438707 (1984-03-01), Delaplace et al.
patent: 4523530 (1985-06-01), Kaminaka et al.
patent: 4531461 (1985-07-01), Sayler et al.
patent: 4545307 (1985-10-01), Morita et al.
Malaubier Francois
Mevel Jean-Claude
Vidal Jean
Kamen Noah
Scott Samuel
Stein Industrie
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