Solid fuel pulverizer for pulverized fuel burning system

Details Solid fuel pulverizer for pulverized fuel burning system Solid fuel pulverizer for pulverized fuel burning system

1985-03-08

1987-09-01

Goldberg, Howard N.

Solid material comminution or disintegration

Apparatus

Including means applying fluid to material

241 57, 241154, 241155, 241162, 2411862, 241275, B02C 13288

Patent

active

046903380

ABSTRACT:
A solid fuel pulverizer especially useful in a system for pulverizing and burning solid fuel, such as coal or other fossil fuel, that is characterized by a possible turndown ratio of up to at least fifteen to one. The pulverizer is capable of both impact and autogenous pulverizing of the fuel so that about 80% will be no more than 40 microns in size and includes a series of impellers mounted for rotation on a preferably vertical shaft in a housing whose top wall has openings for the admission of air and a solid fuel to be pulverized. The fuel is pulverized by impact against the side walls of the housing and descends perpherially of the impellers to discharge adjacent to the bottom of the housing.

REFERENCES:
patent: 696577 (1902-04-01), Lee
patent: 1038886 (1912-09-01), Hirt
patent: 1541903 (1925-06-01), Crites
patent: 1713297 (1929-05-01), Olston
patent: 3021083 (1962-02-01), Conley
patent: 3110448 (1963-11-01), Candes et al.
patent: 4139161 (1979-02-01), Hupperich

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