Internal pitch impeller for a coal burner

Details Internal pitch impeller for a coal burner Internal pitch impeller for a coal burner

1995-09-11

1997-02-25

Look, Edward K.

Furnaces

Including fluid fuel burner

Powdered solid fuel

110264, 110104B, 431159, 239299, 239518, F23D 102

Patent

active

056051034

ABSTRACT:
A coal burner with impeller for a furnace has a housing containing a plurality of sets of blades which direct the fuel from the coal nozzle into a plurality of non-intersecting flows directed obliquely towards the longitudinal axis of the housing. The non-intersecting flows create a fuel-rich devolatilization zone and an air-rich char burnout zone within the furnace and limit the flame length of the burner.

REFERENCES:
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patent: 2380463 (1945-07-01), Poole
patent: 4348170 (1982-09-01), Vatsky et al.
patent: 4397295 (1983-08-01), Bakker
patent: 4457241 (1984-07-01), Itse et al.
patent: 4523529 (1985-06-01), Poll
patent: 4836772 (1989-06-01), LaRue
patent: 4928605 (1990-05-01), Suwa et al.
patent: 5249535 (1993-10-01), Chung
patent: 5347937 (1994-09-01), Vatsky

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