正文 8章 扩大钢铁作坊(第1页/共4页)
赵重阳大学毕业前实习时，在工厂见过铬矿、钨矿和锰矿，所以他敢肯定那是铬砂。而黑色的钨矿砂肯定比这个还要沉。
“只是不知道这种矿砂就是这几百斤，还是另外还有出处。”赵重阳心里道。于是便问刘玉华：“舅舅，这种矿砂你们是哪里弄来的，还有吗？”
刘玉华道：“还有，就在产铁矿的那片山岭的对面山上。只是不很集中，东一块西一片的，就是人们所说的鸡窝矿。
当初找人看矿山时，我以为那是铁矿的一种，谁知挖回来后，认矿的师傅说那不是铁矿，所以我们就丢在那里一直没有用。不过那片山是无主之地，如果有用，可以随时去挖回来。”
“那好吧，既然是无主之地，那个东西我们需要时可随时去弄来，当然，最好是在那附近修一个简易的庄院，空闲时在那里游玩一番，挖矿时可以住在那里。
现在当务之急是我们把炼钢的平炉、转炉先弄好。这次要用到生石灰，叫人马上去卖几马车来。今后可以考虑自己弄个石灰窑，反正随时都要用石灰。”赵重阳说道。
这次，几个建铁炉的工人在赵公子赵重阳的指挥下，用了一天时间，就将平炉和转炉弄好。同时让木工做了一个超级的大风箱，用牛来拉着动力臂转动，并通过齿轮带动连杆让风箱不断推进推出，比脚来蹬的风箱风力都大得多。
这些简单的机械设计，对于学机器制造的博士来说，都是小儿科。在第二次铁炼出来的第三天，修建的炼钢炉正式开始使用熟铁炼钢。”
经过三天三夜的高温熔合，并加了一部分铭铁矿砂，赵重阳让人把还是高温的钢水放入准备好的转炉中，加上脱氧剂脱氧，最后倒入准备好的模型中自然冷却。
三个时辰后，得到冷却了的钢152斤。赵重阳让人先打一把大刀来看一下，他舅舅刘玉华选了一块三斤重的钢亲自提锤上阵，忙活了20分钟后，终于把大刀打好。淬火后，又用粗砂石开刃。又磨了一个多小时磨出刀刃后，赵重阳找来一节儿臂粗的硬杂木递给刘玉华。
刘玉华用钢刀向木材劈去，木材从中断开，断口很光滑，说明刀很锋利。赵重阳又拿来一块熟铁，刘玉华将其放在两块木板上，刘玉华用钢刀用力向熟铁块中空处砍去，铁块断成两半，钢刀却只有稍许卷口。
众人大惊失色：“真的是削铁如泥的宝刀啊。”
听见大家的叫好声，赵重阳道：“不，还有些卷口，下一炉我再改进一下，就应该不存在了。”因为他知道，这是铬的含量还低了些，硬度稍为差了点。
第二天，赵重阳又指挥大家重新炼了一炉钢。又过了三天，刘玉华让做工的铁匠又打了一把刀出来，这一次打磨出来后，无论怎样砍劈，刀口都
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