DOUBLE-STAGE FURNACE OF BOILER Russian patent published in 1999 - IPC

Abstract RU 2132513 C1

FIELD: industrial boilers with horizontal turn of gases, mainly transportable boiler; shipboard steam boilers. SUBSTANCE: furnace consists of primary combustion chamber 1 and boiler outer guard 2 with circular clearance 3 between them; clearance performs function of secondary combustion chamber. Secondary blast air nozzle 4 are arranged in rear end face of furnace, burner unit 5 being arranged in front portion of furnace. Baffle walls of primary combustion chamber are connected to common dispensing and collecting headers. Tubes of baffle wall located in circular clearance 3 are provided with slag screen sections. After furnace chamber, gases enter convective gas duct 10. EFFECT: reduced emission of NO_x.. 2 cl, 4 dwg

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RU 2 132 513 C1

Authors

Maslovskij G.V.

Serkov A.G.

Dates

1999-06-27—Published

1995-12-28—Filed