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正文 7章 初步归划(第3页/共3页)


因此,中秋节的头天下午,他和师傅就先行坐车到了刘家村。吃过晚饭后,就和他二外公和舅舅先谈起了重新开炼铁炉并顺带炼钢的设想。

舅舅道:“重阳,我们这里的矿石和煤炭都不好,以往炼出的铁都狠脆弱,抗不住重压和锻打,一弄就断了,炼出的铁和用这种铁制作的东西,根本无人要。”

赵重阳道:“这样吧,二外公、舅舅,这开炉的人工和成本钱由我们家来出,炼出的铁比得起你们买来的铁,我们就扩大炼铁规模,并把炼钢的平炉和转炉也一并修好,开始炼钢。钢炼成功了,宝刀、宝剑制出来了,我们再说两家合伙的问题,你们看如何?”

他二外公道:“看你这样热心,又有信心,那你就带着人先试一下吧,就是失败也没什么,最多浪费一些煤炭。”

接下来的半个月,赵重阳从家里运了五百贯钱过来,让人去煤炭作坊买了几千斤煤炭过来,先找人修了一个炼焦炭的炼焦炉,炼了几千斤焦炭出来。

然后才让人把炼铁炉修补修好,把风箱改成脚蹬的大风箱,然后才按原来的方法把炭和矿石分层加进炉里,只是略为增加了炭的比列。

铁炉点燃后,第三天开始出铁,这一次的铁共有五百多斤,然后让铁器坊的铁匠立即拿去制各种铁器,铁匠师傅们都反应这次的铁比买的铁纫性更好,是标准的精炼熟铁,制作起铁器来更方便,质量更好,因为根本不用担心煅打时,用力不均匀而造成铁器质量受损的事情发生。

他二外公和舅舅都出生于匠户,自然也是打铁的好手,二人亲自上场,用几块自家炉里炼出的熟铁打了几样器械,果然质量超好。

他二外公惊奇地问道:“为什么你把煤炭用来烧过一道后,用烧过的炭来炼铁,炼出的铁就不脆了呢?”

赵重阳道:“炼出好铁的关键有这样几点,一是矿石含铁量足够高。看了一下你们的矿石,品位虽然不算最好的,但只要方法得当,应该没问题。”

“二是煤炭里不能含过高的硫和磷,你们这里的煤全是有烟煤,含硫和磷都过重,所以要先把他们烧一道炼成焦炭,把大量的硫和磷去掉,这样炼出的铁就不会脆了。”

“三是温度要足够高。要增加高炉的温度,一方面是要稍为多加一些焦炭,另一方面是增大鼓风机的风力。你们这个高炉原来只有两个风箱,我把它改成了四个,并且由手拉的风箱改成脚蹬的,风力起码是原来的三倍以以上,整个高炉的温度比原来提高了三百度以上。

所以,用我的这种方法炼出的铁,才是标准的熟铁。虽然多用去了一些炭,但铁的质量好,制成的铁器质量高,卖出的价钱也更高,且出铁率提高了,所以不但不会提高炼铁的成本,反而降低了练铁的成本。

赵重阳的解释,说得他二外公和舅舅连连点头。接下来,他就开始指挥修建一个简易的炼钢炉。

他发现,铁矿石不远处,另外有一堆矿沙,呈深黑色,既不像铁矿石,也不像煤炭,他抓了一把放在手里惦了一下,感觉很沉。他仔细一看,终于想起来了,这应该是铬矿沙。

他想,炼钢时,如果将之加入到钢里,那么钢材的硬度、纫性都将大大增强,岂不是就制成了后世的铬铁合金钢了,那么用这样的精钢打造的刀剑,那就是正真正的成了削铁如泥的宝刀宝剑了。 『加入书签,方便阅读』

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