Method and apparatus for activating large particles

Details Method and apparatus for activating large particles Method and apparatus for activating large particles

1984-11-30

1986-06-03

Favors, Edward G.

Furnaces

Process

Burning pulverized fuel

110245, 110263, F23D 100

Patent

active

045922926

ABSTRACT:
The invention relates to method and apparatus for the combustion of large solid fuels. In order to improve the beneficial effect of sound on combustion are a bed of the fuel located on a grate, the bed of fuel is exposed to a high particle velocity of a sound positively produced by an external low frequency sound generator, the frequency of which is determined by the sound generator, to provide a reciprocating movement of combustion air and combustion gas through the fuel bed. The dimensions of the grate in a plane transverse to the reciprocating movement of combustion air and combustion gas are less than a quarter of the wave length of the sound generated by the sound generator.

REFERENCES:
patent: 2945459 (1960-07-01), Junkermann
patent: 3171465 (1965-03-01), Rydberg
patent: 4221174 (1980-09-01), Smith et al.
patent: 4457695 (1984-07-01), Kummel

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