Furnaces – Process – Burning pulverized fuel
Patent
1986-04-23
1987-07-14
Favors, Edward G.
Furnaces
Process
Burning pulverized fuel
110262, 110264, 239549, 239558, 431284, F23D 100
Patent
active
046795120
ABSTRACT:
A method of and apparatus for burning liquid fuels such as oil or the like and/or solid fuels, especially coal, peat or the like, in pulverized form, the latter either in dry condition or mixed with a carrier liquid such as water and/or oil to form an emulsion being introduced together with the liquid fuel into a combustion chamber while creating a recirculating flow profile, said flow profile being confined by a rotating outer flow of air. For thorough breaking-up of the fuel introduced into the combustion chamber the fuel inlet is constituted by a plurality of inlet ports approximately evenly distributed along a circumference, especially a circle, the liquid-fuel inlet ports and the inlet ports for solid fuel or a fuel emulsion being alternately arranged along said circumference. The fuel inlet ports may be directed either radially and/or at an outward inclination in the direction of flow, based on the longitudinal axis of the combustion chamber. Preferably, a central compressed-air injection is also provided.
REFERENCES:
patent: 4208180 (1980-06-01), Nakayasu et al.
patent: 4422389 (1983-12-01), Schroder
patent: 4523529 (1985-06-01), Poll
patent: 4523530 (1985-06-01), Kaminaka et al.
Favors Edward G.
Stubinen Utveckling AB
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