FURNACE
FIELD: thermal power stations for lighting-up of boilers, provides for a two-stage ignition of dust in one burner and an optimal dust-air relation for starting of a fire. ^ SUBSTANCE: the furnace has a central and peripheral combustion chambers, burner with a circulation tube, burner nozzle, in whic...
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Format: | Patent |
Sprache: | eng ; rus |
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Zusammenfassung: | FIELD: thermal power stations for lighting-up of boilers, provides for a two-stage ignition of dust in one burner and an optimal dust-air relation for starting of a fire. ^ SUBSTANCE: the furnace has a central and peripheral combustion chambers, burner with a circulation tube, burner nozzle, in which the circulation tube is placed with an annular gap, according to the invention, the cold high-pressure air nozzles are introduced accompanying the flow in the annular gap, and their outlet faces are positioned in the plane of the outlet and inlet faces of the circulation tube and the burner nozzle, respectively, connected to the source of hot low-pressure air. ^ EFFECT: provided a two-stage ignition of dust in one burner and on optimal dust-air relation fort starting of a fire. ^ 1 dwg |
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