FIELD: burning engineering. SUBSTANCE: method comprises preliminary heat treatment of high-concentrated air mixture due to burning auxiliary fuel. Cold air under high pressure is supplied to the unit of preliminary heat treating. The cold air is withdrawn immediately downstream of the blast fan and used to produce gas heat carrier to provide transporting dust-gas mixture to the furnace. EFFECT: enhanced stability of burning. 1 dwg
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Authors
Dates
1997-08-20—Published
1994-11-01—Filed