Boiler start-up air heater

Furnaces – With fuel treatment means – Means for pulverizing solid fuel

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Details

110106, 110302, F23K 104, F23K 302, F23L 1502

Patent

active

040904555

ABSTRACT:
A coal fired steam generating system including an auxiliary oil fired burner combined with an air heater. The air heater provides heated air that is adapted to heat and dry the coal for combustion, while hot products of combustion exhausting from the oil fired burner supply heat to a precipitator that raises its operating temperature to increase its collecting efficiency.

REFERENCES:
patent: 2230799 (1941-02-01), Hobbs
patent: 2841102 (1958-07-01), Marshall
patent: 3273520 (1966-09-01), Hottenstine
patent: 3274961 (1966-09-01), Wiechard

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