連続式鋼材加熱炉の冷却装置及び冷却方法

Japanese Patent JP7136145

B2

To provide a cooling device and a cooling method for a continuous type steel heating furnace, in a continuous type steel heating furnace in which all combustion burners in a furnace body are made into heat storage type switching combustion burners, capable of reducing cooling time without damaging refractories in the furnace body.SOLUTION: A cooling device 10 for a continuous type steel heating furnace comprises a fan 27 for suction exhaust gas suction sucking a suction exhaust gas from all heat storage type switching burners 20 via a suction exhaust gas flow rate adjustment valve 26, a furnace tail exhaust gas exhaust apparatus 12 installed in a flue 8 provided at a position on the downstream side than a combustion control zone 3 on the most downstream side in the exhaust gas flow of a furnace body 2 and comprising a furnace pressure damper 9 adjusting furnace pressure and a chimney 11 exhausting a furnace tail exhaust gas passed through the furnace pressure damper and a fan 16 for furnace tail exhaust gas suction connected to an exhaust gas exhaust passage 13 provided at a position on the downstream side than the combustion control zone 3 and sucking the furnace tail exhaust gas from the combustion control zone 3 via a furnace tail exhaust gas flow rate adjustment valve 15.SELECTED DRAWING: Figure 1

Takashi Nishimura

JP2020031791A

September 13, 2022

February 27, 2020

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jfe Steel Corporation

F27D9/00; F27B9/30; F27B9/40

JP2011196615A
JP2018031528A
JP11323432A
JP2007051844A

WO2017163624A1

田中 秀▲てつ▼
Hirose Hajime
Miyasaka Tohru
Tetsuya Mori

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