第二十六章 矿洞求生,我们是搞化学的
笔趣阁(biquge2345.com)更新快,无弹窗!
的匕首(终于开荤了,虽然用来削木头有点暴殂天物)削制几个木钳子、木锤,用来夹取烧红的铁块。
准备工作磕磕绊绊搞了三天。期间,周德兴的陷阱又贡献了一只山鸡,稍微缓解了粮食危机。但所有人都瘦了一圈,眼窝深陷,但眼睛里都有种近乎狂热的、期待的光芒——万一真炼出铁了呢?
“吉时”选在一个晴朗无风(相对)的下午。炉子里先铺上一层木炭,点燃。等火旺了,周德兴开始呼哧呼哧拉那个漏气的皮囊鼓风机。火苗在风力作用下,猛地窜高,发出呼呼的声响。
“加矿!”朱元璋沉声下令。
我用自制的木铲,把砸碎的铁矿石,混合着一些木炭屑(增加还原剂),从炉子顶部的“脖子”小心地倒进去。矿石落在通红的炭火上,发出“噼啪”的爆裂声。
“加炭!继续鼓风!”
周德兴拉得更卖力了,脸憋得通红。赵铁柱也上去帮忙。简陋的炉子温度明显升高,靠近了都能感到热浪灼人。炉口冒出浓烈的黑烟和火星。
我们轮流上前添加矿石、木炭,观察火焰颜色。没有温度计,全凭感觉。朱元璋就蹲在炉子边,眼睛死死盯着炉口火焰的颜色变化,眉头紧锁,像在参悟什么绝世武功。
烧了大概一个多时辰,木炭和矿石加了好几轮。炉子里的火焰从红色渐渐变成黄色,最后泛起一丝丝诡异的……白亮?
“差不多了!”朱元璋忽然低喝,“停风!准备出炉!”
周德兴和赵铁柱停下鼓风。我们屏住呼吸,用削尖的长木棍,小心地捅开出渣口。一股滚烫的、暗红色的、黏稠的液体,混合着灰渣,从出渣口缓缓流了出来,流到事先挖好的沙土坑里,发出“嗤嗤”的响声,冒起白烟。
“是铁水!是铁水!”周德兴激动地大叫,差点跳起来。
但那“铁水”流量很小,颜色暗红,夹杂着大量气泡和杂质,流了不到一碗的量,就凝固成了几坨黑乎乎、蜂窝状、看起来比石头强不了多少的……疙瘩。
“这……是铁?”李狗剩凑近看,用木棍戳了戳,硬邦邦的。
朱元璋用木钳子夹起一坨,放在石头上,用木锤敲了敲。“铛铛”,声音沉闷,不脆。他用力砸了几下,那铁疙瘩边缘崩掉几块碎渣,但主体没变形。
“是生铁,杂质多,很脆。”我判断道,“得回炉,或者反复锻打,才能变成熟铁,才能用。”
第一次炼铁,以得到几坨勉强能称为“铁”、但基本是废品的生铁疙瘩告终。燃料消耗巨大(把我们攒的炭和附近的硬木祸害得差不多了),人力也耗费不少。成果嘛……聊胜于无。
但朱元璋看着那几坨黑疙瘩,脸上没有失望,反而有种“果然如此”的了然。“能烧出来,就行。下次,矿石砸更碎,木炭要干,鼓风要匀,时间再长点。”
他还想继续改进工艺!我和周德兴面面相觑,都从对方眼里看到了“老板疯魔了”的神色。但看着他那认真的样子,又没人敢泼冷水。
“那这几坨……”周德兴指着废铁疙瘩。
“先收着。等攒多了,一起回炉,或者……想办法锻打试试。”朱元璋说。
炼铁大业暂时搁置,但这次尝试也不是全无收获。首先,证明了这矿洞的赤铁矿确实能炼出铁(虽然质量差)。其次,那简陋的鼓风炉和皮囊鼓风机,虽然粗糙,但验证了土法冶炼的可行性。最重要的是,经过这么一折腾,大家似乎暂时忘了饥饿,精神头都集中在“技术攻关”上了,团队凝聚力莫名其妙增强了一点。
晚上,我们围坐在火堆旁,就着烤山鸡(瘦得可怜)和煮野菜,开了个“技术总结会”。
“炼铁,急不得。眼下,还是找吃的要紧。”我定了调子,“陷阱要继续下,野菜蘑菇要接着认。另外,这山里说不定有野蜂巢,搞点蜂蜜,也能补充体力。”
“蜂蜜?”周德兴舔舔嘴唇,“这个好!可咋找?被蜇了咋办?”
“看蜜蜂往哪儿飞,跟着找。用烟熏。”我说着,看向朱元璋,“老板,那辉锑矿和石英,你还有想法不?”
朱元璋拿起那块辉锑矿,在火上烤了烤,矿石表面没什么变化。“这石头,烧不化。但你说,能做硬东西?”
“锑合金很硬,但需要和其他金属一起熔炼。咱们现在搞不定。”我摇头,又拿起那块石英,“石英倒是能烧化,但需要温度更高,而且烧化了是玻璃液,得有个模子……”
我忽然停住,看着手里晶莹的石英,又看看地上那几坨黑乎乎的生铁疙瘩,脑子里冒出一个大胆(且荒谬)的念头。
“老板,你说……咱们能不能试试,用这石英砂,做个简单的模子?然后,把那生铁疙瘩重新烧化了,浇进去,做个……铁锅?或者,刀胚?”
空气瞬间安静。所有人都用看疯子的眼神看着我。
用石头做模子?浇铁水?做铁
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