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冲天炉开炉时,经常会因一些意外原因而中途停风。有时长达几个小时,为了确保再次开风后的正常熔炼,停风后必须对过桥和出铁口进行精心处理和看护,以防堵塞和冻结。怎样能够保证不使过桥和出铁口堵塞和冻结呢?我们在生产实践中总结出一点经验,现介绍如下,供同行们参考。一、过桥 (1)平时修过桥时,尺寸可适当放大一些(高×宽为80×100),要保证有一定的倾斜度。 (2)停风后立即用泥塞堵死所有风口,使炉内与外界空气隔绝,然后打开窥视孔,用铁棒把过桥内的残渣扒净,随淌随扒,直到后炉不再淌铁水和炉渣为
Cupola furnace, often because of some unexpected reasons and stop ventilation. Sometimes up to several hours, to ensure proper smelting after re-opening, the bridges and tapholes must be carefully handled and guarded to prevent clogging and freezing after the wind has stopped. How to ensure that the bridges and tapholes are not blocked and frozen? We summed up a little experience in production practice, are presented below for reference for colleagues. First, the bridge (1) usually bridge over the bridge, the size may be appropriate to enlarge some (height × width of 80 × 100), to ensure that there is a certain degree of tilt. (2) Immediately after the wind stopped plugging all tuyeres tuyere, so that the furnace and the outside world air isolation, and then open the peephole, the iron bars to the residue within the bridge Pa net, with the drip with Pa until the furnace is no longer Dripping hot metal and slag for