第三十四节 出铁
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第三十四节出铁
李工长立刻带着几个工人抬着准备好的防火泥上去，迅速的封住出渣口。更多小说ltxs520.com季无声猛得拉了一下汽笛，尖厉的汽笛提醒高炉周围的工人们，马上有物体要从炉膛内排出来了，大家注意安全避让。
几名工人抬着铁钎开始搅动炉底，随着他们合力的搅动，如同烟花放射一般，从出铁口喷射出许多燃烧的火花，在空气中飞舞着。这是炉底的柴火灰烬被吹了出来。
季无声指使工人不断的搅动，让炉灰不断的排出。排出炉灰是为了防止炉灰和炉渣混合在一起，造成座底。
等到再也没有炉灰被吹出来，关照工人们封闭出铁口。然后开始送全风。鼓风机发出呜呜的呼啸声，车间里的温度愈来愈高，季无声开始感到汗水不断的从额头上滑落下来――厚厚的工作服妨碍了热气的散发，但是他还是在炉前一动不动的观察着。不时还看一下手表，掐算着时间。
“好了！”季无声认为火候已经差不多了，关照李工长，“从现在开始，你要时刻注意炉线的位置，到焦层下落到规定位置就逐步添加空焦。再加一些炉渣――每次加多少我都教过你们，忘记了就查工艺手册！”
“我没忘！”李工长顺溜的背出一连串的数据，。
“好，从现在开始，到明天早晨早班来前，不要加矿石，等我来了再开始添加。焦炭要不断的添！保持炉温！”
第二次烘炉的时间，大概需要24小时，等到整个高炉的温度达到足够温度才能开始少量的小批次加入铁矿石，这一切都是为了保证炉子的温度――高炉冶炼中，炉温保持是一个重要的课题，炉温不足，不但影响出铁率，还会造成许多高炉故障，最后得停炉大修。
季无声回去赶紧抓紧时间睡了一觉。醒来正好是晚上，中班工人已经。他查看了两班的交接记录，又从用钢钎从探孔打入，观察焦炭的燃烧状况和炉壁温度。
“继续保持小批量添加焦炭，送风。”季无声觉得火候还差一点，决定到7日早晨再开始添加矿石。
2月7日中午，随着季无声的命令，第一批铁矿石精粉和造渣料终于投入了高炉内，开始了正式的生铁冶炼。比起工人们，季无声更加紧张――他们是按照技术资料和自己的经验一板一眼的做了，但是这个本身就是用山寨货堆砌起来的大号山寨货是不是经受得起考验，正常的运作起来就无人知晓了。季无声知道高炉的成败决定着爬科技树的速度有多快
2月8日，高炉终于放出了第一炉铁水，主沟是用砂石砌成的，内填黄砂。铸床是生铁模。第一批生铁锭出来之后，季无声吩咐人坐车带上铁砖送到百仞的化工实验室去检测成分。
分析下来的结果很快通过有线电报反馈到了钢铁厂。生铁的质量很好，影响生铁质量的磷、硫比例极低，远远超过了他们从大陆上搞来得各种废铁和生铁。高质量的铁矿石和现代高炉冶炼两大神器的汇合造就了这样优质的生铁。
季无声的满脸放光：“太好了！有了优质生铁，炼出好钢就更容易了。”
出过铁水之后，开始第一次出渣。钢渣被排放到一个大型的水池内，池内的水是从供水厂送来经过简单沉淀处理的河水。经过冷却的钢渣是制造水泥的材料。至于被钢渣加热过的冷却水被管道输送出去以便利用废热。
“从现在开始，每二小时出一次铁！15分钟出一次渣！”季无声命令着，他把第一次冷却出来的钢渣收集了一份样本，交给一个职员迅速送往百仞做成分化验，以便随时调整造渣材料的成分。
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