四十四、炼铁炉成(1 / 2)

小钢剑的成功让绢和梅山一应高层沉浸于无比的喜悦之中。

炼铁成为整个梅山一个无比重大的事情,丁礼受到梅山高层,特别是那些将军的看重,他们看他的眼光就象看到了绝世神兵,弄得丁礼不好意思的同时,也更感肩上责任重大。

小钢剑的横空出世,证明了用煤炼出来的铁,不是木炭炼出来的铁能比的,不过用煤炼铁不象用木炭炼铁那样混在一起把铁精石烧成砣就算完事,而是要把铁精石里的铁练成铁水,这就要解决供火与铁水流出来的问题,第一个炼铁炉就是因为铁水堵住了供火孔,导致火力后续无法从燃烧室进入炼矿室,只是把底下一层矿石炼出来一点点,还使炼铁炉无法重复使用。

丁礼又花了半个月的时间,按照他原来和梅绢说的办法建了一个炼铁窑,也就是把燃烧室和矿石室之间的隔层,由平的改成一个圆椎形,希望铁水不堵供火孔,而是沿着设计好的槽往下流,顺着出铁口流出来。

根据梅绢的建议,丁礼在燃烧室预留了六个通风通道,然后造了六个大风箱从这六个通风通道鼓风,期望通过从下面往上面鼓风,一方面提高火力,另一方面也可以把要顺着供火孔流下来的铁水吹开。

炼铁窑建好后,六个巨型风箱也造好了,这次梅林从军营里调来了四十个青壮士兵帮忙拉风箱,炼铁期间不间断地拉风箱鼓风,有了这一系列的改进,特别是看了这六个大风箱,丁礼开始满怀信心地开炉炼铁。梅绢也暗暗地期待这次能够成功练出一炉铁来。

风箱在煤火烧起来之后就开始不间断地鼓风,煤火越来越旺,炼炉内的温度不断升高,烧炉工不断地加煤,为了让火力集中往上向炼矿室去,丁礼在供煤的这里还设计了一张用耐火砖制成的门,不供煤的时候就关上,这样一来,火气没地方去,只能顺着供火孔往上向炼炉冲。这的确大大提高了炼矿室的温度,也在一定程度上阻止了铁水顺供火孔流下堵塞供火孔的情况发生。

一切都是那么完美,两个时辰之后,练铁窑旁边设计好的出铁水的口子地方,有铁水开始往外流,一众梅山高层喜出望外,相互之间连声道贺,丁礼更是高兴,抱着他父亲一阵猛摇,梅绢也开心地笑了起来。

不过好景不长,拉风箱的士兵越来越感到吃力,而且火力还有往回灌的苗头,不久之后,他们已经明显感到风箱压不进风,反而有热气往外冒,这是之前没有碰到过的情况。

梅绢见状连忙让丁礼把燃煤室的门打开,停止供煤,也不再鼓风,让炼窑冷下来,他从种种迹象很容易地推断出来,这是供火孔又被铁水堵上了,估计一开始化成铁水的矿石不是很多,加上风箱往上鼓风,铁水还堵不住供火孔,便向下顺着出铁水口流了出来,后面熔化的铁水越来越多,而铁的重量远非水可比,尽管有风箱往上鼓风,要把这些铁水全部吹开,无疑是不可能的,故而供火孔又被堵上了。

其实这也是梅绢之前考虑过的情况,不过他看到丁礼当时的兴奋劲,也没有出言打击他的积极性,心底里也存在一丝侥幸,希望丁礼能成功,现在看到这种情况,他也是有心理准备的,并没有多少意外之感。

这次练铁惊动了梅山一应高层,经历了大喜大悲之后,还是宣告失败了,不过这次也不能算完全失败,毕竟也开始出铁水了,还炼出了五十来斤的铁,这些铁的品质肯定不比上次那四五斤铁差,梅绢让丁礼将这五十来斤铁煅成五尺左右的剑,剑的厚度和宽度可以比小剑大一号,他估计这些铁能煅出五把左右的这种剑。

他本想要丁礼打成刀的,不过一想这个时代以剑为尊,而且丁礼他们对打造剑更轻车熟路,刀在这个时代是很少见的,特别是腰刀和短刀,因为材质的问题,并没有在军中装备使用。事实上刀在历史上也是随着冶铁和炼钢技术发展而发展的,青铜因其硬度不够,并不适合制造成以劈砍为主的刀。

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