Method of improving load response on coal-fired boilers

Details Method of improving load response on coal-fired boilers Method of improving load response on coal-fired boilers

1980-10-30

1982-06-01

Favors, Edward G.

Furnaces

Process

Burning pulverized fuel

110106, 110186, 122449, F23D 100

Patent

active

043322077

ABSTRACT:
A method for rapidly changing the amount of pulverized coal supplied to a coal-fired furnace (10) equipped with a coal pulverizer (20) from a first steady-state level to a second steady-state level in response to a change in operating load demand. The amount of pulverized coal supplied to the furnace is instantaneously increased by providing pulverized coal to the furnace from a source (42) independent of the pulverizer or instantaneously decreased by diverting away from the furnace a portion of the pulverized coal being supplied by the pulverizer.

REFERENCES:
patent: 1481067 (1924-01-01), Pomeroy
patent: 1562411 (1925-11-01), Caracristi et al.
patent: 2141604 (1938-12-01), Hardgrove
patent: 2328498 (1943-08-01), Saathoff
patent: 3150962 (1964-09-01), Pearson
patent: 3467036 (1969-09-01), Garrett, Jr.
patent: 4173189 (1979-11-01), Cooper
patent: 4263856 (1981-04-01), Rickard

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