方大九鋼3號(hào)高爐降料面停爐操作及技術(shù)措施

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摘 要：對(duì)九江萍鋼煉鐵廠3號(hào)高爐降料面停爐操作進(jìn)行了總結(jié)，并闡述了安全快速停爐的各項(xiàng)技術(shù)措施。在停爐過(guò)程中采用煤氣高效回收，高風(fēng)量與高頂壓的綜合使用等技術(shù)，首次順利實(shí)現(xiàn)煤氣全回收，準(zhǔn)確將料面降至爐腹部位。

關(guān)鍵詞：降料面；停爐；煤氣全回收；爐頂溫度

OPERATION AND TECHNICAL MEASURES FOR STOPPING THE FEEDING SURFACE OF FANGDA JIUGANG NO.3 BLAST FURNACE

Yu Yinghong  Xu Bin

（Fangda Group Jiujiang Pinggang Steel Co.， Ltd.    Jiujiang    332500，China）

Abstract：This article summarizes the shutdown operation of the No. 3 blast furnace at Jiujiang Pinggang Ironmaking Plant， and elaborates on various technical measures for safe and rapid shutdown. During the shutdown process， technologies such as efficient gas recovery and the comprehensive use of high air flow and high top pressure were adopted， successfully achieving full gas recovery for the first time and accurately lowering the material level to the furnace belly.

Key words：lowering surface; shutdown; full gas recovery; furnace top temperature

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九鋼3號(hào)高爐（1 780 m3）采用軟水密閉循環(huán)冷卻方式。（剩余3980字）