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第二百三十章 熔炉(1 / 2)

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羊鞭入肠,补肾壮阳。

公子卬很快就龙精虎猛起来。

管理让辎车吭哧吭哧运来一车车木炭。炼铁需要的温度很高,所以需要选用热量较高的木料来制炭。鞌城,也就是曹县从古至今从来不缺优质木料:刺槐、杨树、泡桐、榆木、香椿、苦楝……曹县的木材多达四十八科,两百零七种。后世的曹县不仅承包了日本人的棺材,连国际上的小提琴市场也分了满满一杯羹。

这些木炭都是管理雇佣人手在松软的土地上刨出硕大的浅坑,将收集来的大量木块都堆入沙坑,用火折子点上火。等所有的木料都被燎得赤红,民夫们盖上松土,让木块在缺氧的环境下焖烧。

如果木材没有经过这一道工序,直接用来炼铁,那么潜藏在树木维管组织里面的水分就不会被去除干净,有机物里面的氢元素也不会被剔掉。一旦在炼铁炉里,混入了氢元素,对于钢铁的性能将是灾难性的——氢脆效应不仅会让钢铁的强度大打折扣,韧性也变得不堪。这样打造的头盔可能会被敌人一箭射穿头颅,明末的辽东边将杜松表示死的很冤。

等碳堆自然熄灭,再扒开土,就能得到一批高质量的木炭了。焖烧木材毕竟只是权宜之举,毕竟现在到处缺木材,制备弓箭、打造榆木大炮、扩充偏箱车、量产马镫……

要是管理能早点勘探到煤炭就好了,公子卬不无期盼地想到。公子卬手里有煤炭焦化的技术,能显着降低煤炭中硫元素对钢铁质量的影响。比起木材,煤炭炼铁要便宜得多。

高炉组需要解决的大问题,就是打造炼铁炉。

在打败公子御的战备工作中,公子卬曾经和武氏的匠人短暂合作过。武氏的匠人,手艺相当蹩脚,而锜氏的手艺可是卓尔不凡。锜氏祖上曾是商纣王最忠心耿耿的“朝歌一十三族”,要不是纣王自焚于鹿台,锜氏在内的一十三族恐怕要拿着工匠的家伙和周武王拼个你死我活。

商亡后,一十三族被周人称之为“殷顽民”,条氏、徐氏、萧氏、索氏、长勺氏、尾勺氏被迁入鲁国,陶氏、施氏、繁氏、锜氏、樊氏、饥氏、终葵氏被划分给卫康叔。

锜氏祖上可是为帝辛生产青铜刀具的,主要业务是锉刀,朝歌的百工都要和锜氏的家主客客气气的。公子卬曾经教过武氏家宰,如何快速搭建青铜冶炼的熔炉,锜氏听说后,纷纷表示这不过是小儿科。

锜人引着公子卬,给后者见识了他们祖传的熔炉技术。

“六百年前,我们祖上创立了这种玄妙的熔炉。”一听说打造钢铁需要上等的熔炉,锜人拉着公子卬到他们的作坊里献宝,浮现在公子卬眼前的是一种土坑式的熔炉,“在这个巨大的地坑中,我们可以完成内、外范的工序,尔后在外范周围填实夯土。”

这样无论铜水的液压有多大,外范也能坚挺着,不被撑破。公子卬一眼就看出了门道,对这种地坑造型泥范法铸造的工艺赞叹不已——真不能小看了古人的智慧。

“我们的熔炉,就是巨钟、巨鼎也能制作完成!”锜人的眼里焕发出神采,公子卬总算知道司母戊方鼎、楚王孙铜钟是如何诞生于条件简陋的古代了。

“真的是巧夺天工。”公子卬赞叹不已,然后话锋一转:“不过钢铁的冶炼可不像青铜冶炼,这样的熔炉可不顶事啊。”

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