Method of introducing dry sulfur oxide absorbent material into a

Details Method of introducing dry sulfur oxide absorbent material into a Method of introducing dry sulfur oxide absorbent material into a

1985-10-29

1987-04-07

Yuen, Henry C.

Furnaces

Process

Burning pulverized fuel

110345, 110264, 110265, F23D 100

Patent

active

046551484

ABSTRACT:
Emissions of sulfur oxides produced during combustion of a sulfur-bearing fossil fuel in a furnace chamber 10 are reduced by injecting a sulfur oxide absorbing particulate into the product gases in an upper region 60 of the furnace chamber. The sulfur oxide absorbing material is dispersed into a quantity of air which is introduced in the furnace chamber through a plurality of nozzles 80, 82 and 84 disposed at different elevations. The air streams with entrained absorbent are introduced at each elevation tangent to an imaginary circle, with the radii of the circles of the elevations being different, thereby distributing the sulfur oxide absorbent over a wide volume of the furnace chamber.

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