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第一百五十五章 突破钢铁(2 / 2)

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“诸位,大家都辛苦了,你们只管用心造火铳就是,其余的事情本爵处理!”

顾振华勉励了几句,然后就和葛匠师离开了火器厂,直接到了临近的炼铁厂。这里正是冒烟咕咚的,三座高炉排列在眼前,周围的空气无比的炽热,工匠们早都甩了一个大光膀子,但是每个人的身上还都是汗津津的,滴滴答答的流下来。

在高炉的不远处,还有十几个炉子,工匠师傅正在挥动着锤子,用力的敲打,火星四射,灼热的火星甚至会落在皮肤上面。因此这些工匠的胳膊和脸上全都是斑斑点点的烧灼痕迹,不过他们毫不在乎,依旧敲打如故。

每个行业都有艰难,这些工匠更不例外!

在坩埚法炼钢发明之前,中国的炼钢技术在世界上算是最先进的,明朝更是将灌钢法发展到了巅峰。

根据唐顺之的记载:“以生铁与熟铁并铸,待其极熟,生铁欲流,则以生铁於熟铁上,擦而入之。”也就是說,把生铁与熟铁放在一块冶炼,等到生铁熔化,铁汁欲流时,则將生铁水擦入熟铁中,灌钢就炼成了。

这正是大名鼎鼎的苏刚法,顾振华从南京讨来了不少的工匠,他们就有精熟此法的。只见一个粗壮的铁匠师傅将一块熟铁放在了坩埚之中,加热三分钟左右,又把一根生铁放入坩埚,继续鼓风加热。

等到生铁开始融化,用铁钳夹住生铁一段,将铁汁淋在熟铁上面,学徒这时候不断的翻动熟铁,均匀的吸收铁水,前后进行了两次,然后师傅将熟铁取出,开始大力的捶打锻造。

顾振华在一旁仔细的观察着每一个环节,他的眉头紧皱,这时候最靠边的刘铁匠已经打好了一块钢。

葛匠师急忙问道:“怎么样,钢口如何?”

刘铁匠痛苦的摇了摇头:“勉强吧,做刀剑不差,可是俺就是想不明白,这钢口怎么会比不上倭寇的东西呢,实在是邪门!”

刘铁匠十分痛苦蹲在了地上,抱着脑袋,一语不发。葛匠师也是摇头叹息。

“做活就是离不开好钢,偏偏又……哎!”老头重重的叹了口气。

顾振华摆了摆手,笑道:“大家伙不要沮丧,本爵刚刚观察了一下,咱们的炼钢技术,绝对是第一流的,炼不出好官的责任不在你们!”

“国公爷,那您说在哪里呢?”

“就在那!”顾振华用指了指旁边的一堆东西。

刘铁匠也急忙看过去,只见顾振华指的正是一堆石炭,他顿时脑袋就不够用了。

“国公爷,您说问题出在石炭的上面?”

“没错。”顾振华笑道:“在汉唐的时候,林木葱郁,大多有木头炼铁,可是宋朝以来,木材减少,就不得不用石炭代替,从此之后,钢铁的质量就下降了不少,再也造不出陌刀那样锋利的武器了!”

按理说使用煤炭是一种技术的进步,不过偏偏出了一点差错,那就是中国的煤炭普遍含杂质太多,古代人又没有脱硫的技术,因此炼出的钢铁质量就大打折扣。

刚刚顾振华注意到了一个学徒直接将煤炭加进炉子里,他才猛然惊觉,这就是中国钢铁质量下降的原因。

“国公爷,照您的说法,咱们是不是要重新使用木材炼钢啊?”

顾振华微微一笑:“可是试试,不过木材终究有限,最后的工夫还要用在这些石炭上面。”

葛匠师,刘铁匠,甚至在场的所有师傅,都不自觉的停下了手里的活计,傻傻的盯着顾振华,想要看看这位国公爷究竟有没有高招。

顾振华走到了煤炭前面,仔细看了看,其实解决这个问题不复杂,只要进行脱硫处理就行了,不过凭着现在的工艺水平,恐怕难度不小。

“这样吧,去请来几个烧木炭的师父,让他们试着给石炭加热,我估计会有效果!”(未完待续。)

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