第147章 曙光
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经过一天的暴晒,一夜的烘烤,可使用的空心泥箭头,已经有一千多只。
谢小三炒钢的时候,李中易就手拿炭笔,和一叠白麻纸,站在他的身旁,仔细的盯着他的每一个动作,有不清楚的,就反复的询问,直到搞懂为止。
经过仔细的观察,李中易发觉,谢小三很多时候也仅仅是凭经验推断而已,并没有精确的操作指南。
李中易觉得,其他的都是次要的,主要有两点,一是生铁和木炭的混合比例,一是铁水熔化后,有什么反应?
第一个问题,谢小三用一把不太准的杆秤,给予了回答,四斤生铁块砸碎之后,搭配八斤木炭。
李中易也不知道谢小三的这个比例是从哪里来,目前为了应急,只要顶用,也就足够了。
至于攀登科技树的事,以后有的是时间去实验。根本就是急不来的事。
谢小三告诉李中易,出铁水的密封口的温度,如果隔着三尺远。都能够感觉到惊人的烫度,这就说明铁水化了。
李中易一阵无语,不过,好歹他有了个参照物,寥胜于无罢了。
早上第一炉铁水出炉的时候,李中易全程观摩了一遍,他发现。谢小三确实时不时的就伸手,隔着空气试探密封门的烫手程度。
嗯,儒门士大夫根本瞧不上低贱的工匠。很手留下文字的记载,导致很多工匠的独门绝技,只要经过战乱或是火灾,就会失传。
这一次出铁水。由于李中易事先安排好了几十个工匠。摆布好空心泥箭头,谢小三倒铁水的进度,倒是加快了许多。
这一炉铁水,一共灌注了三百支只泥箭头,李中易琢磨着,除了谢小三之外,如果再多做几只耐火的坩埚,速度还要加倍。
有了这个认识之后。一直悬在李中易心头的大石头,终于舒了口气。
望着正往炼铁炉内加料的谢小三。李中易的脑子里忽然冒出一个念头,能不能新建一座小型的炼铁炉呢?
据李中易的观察,谢小三操作的这座炼铁炉,一次出铁水,也不过是三百余斤罢了。
由于带兵驻守造箭坊的换成了慕容延钊,李中易已经不缺鼓风的壮汉,顶多每天搞来一头猪罢了。
猪肉便宜,即使有些腥骚味,作菜的时候,只要多加一些茱萸和香料,倒是可以遮掩一部分膻腥。
听了李中易的问题后,谢小三摸着脑袋说,造这样一座炼铁炉,至少需要十天左右,而且还需要耐火的粘土之类的东西都齐全。
李中易一听,心里就满意了,有慕容延钊的军汉打下手,只要他搞齐了耐火材料,甚至可以同时造三五座炼铁炉出来。
李中易是中医大家,对于炼铁很陌生,可是,做实验用的坩埚,他却是知道一些主要材料,比如说,粘土,石墨、石英等熔点高的物质。
李中易在后蜀国,炼仙丹忽悠孟昶的时候,所造的丹炉内壁,就加了粘土和石墨。
超级耐高温的坩埚,其主要成分,李中易是知道的,也就是氧化铝,或是刚玉。
以现在的条件,短期内肯定没办法用实验室的方法,提纯氧化铝。不过,李中易可以通过将含硅很多的粘土,制作出非常耐高温的坩埚。
由于只需要从搅拌的铁水坑中舀出铁水,李中易觉得将小坩埚做成舀水的木勺子大小即可,反而方便了操作的便利性。
炼铁炉旁边,到处都是用剩下的粘土,李中易看了之后频频点头,黑色的石墨和石英倒是不常见。
不过,这不要紧,铁水出炉经过搅拌之后,其温度已经只有几百度而已。李中易粗略制作出来的小坩埚,应该至少抗得住一千度的高温灼烧。
动手制作的时候,李中易考虑到还是需要大一点坩埚,索性就一起做了。
李中易在粘土的中间,挖了个大洞,然后不断的加水,水多加粘土。等这些粘土半干半湿的时候,李中易索性亲自动手,捏出十只小号的带柄坩埚,又做了五只和谢小三所用的坩埚,大致差不多的形状。
趁一窑铁水出炉的时候,李中易让谢小三顺便把他做的坩埚以及作为燃料的木炭,一股脑的都塞进了不大的炉内,然后用粘土将窑门封死。
五十名军汉,光着膀子,挥汗如雨的轮流推拉着鼓风的囊,炉温一下子就上去了。
一个多时辰后,李中易感觉到差不多了,就让谢小三捅开密封的粘土,用火钳将大大小小的坩埚,一一取出。
李中易仔细的检查了一番,小坩埚的长柄坏了两只,大坩埚倒是都完好无损。
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ps:现在是325票,如果晚上能够超过345张月票,司空一定在凌晨加第四更!
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