A tube bundle type air-fuel gas double preheating blast furnace gas radiation tube burner

Abstract

The utility model relates to blast furnace gas combustion technical field, and disclose a kind of tube bundle air-fuel gas double preheating blast furnace gas radiation pipe burner, including flue gas connecting pipe, main burner, the top of flue gas connecting pipe is connected with the special-shaped pipe type box heat exchanger by mounting flange, the right side wall of flue gas connecting pipe is connected with radiation pipe by mounting flange, the inside of radiation pipe is provided with jet impingement finned tube heat exchanger, the special-shaped pipe type box heat exchanger includes the flue gas inlet pipe fixedly connected in the top of flue gas connecting pipe, the outside fixed connection of flue gas inlet pipe has gas outer casing.This tube bundle air-fuel gas double preheating blast furnace gas radiation pipe burner, blast furnace gas and combustion air are preheated to suitable temperature, form stable, uniform flame when burning, combustion is sufficient, by air-fuel gas grading double preheating technology, greatly reduce the temperature of flue gas, improve energy utilization, reduce energy consumption.

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