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第75章 百炼钢法(1 / 2)

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冶炼处可没有用冰的环境。

巨大的工坊拔地而起,一座座炉灶融锅赤红橘红交映,空气中蒸腾着热浪,连带着视线处的空气都仿佛有着波纹扭曲。

铁官客气道:“贵人若有所需,我命人召两个冶工前来就好,踏入此地,暑热实在伤身。”

秦时摇了摇头:若要找冶工,她在少府就可以找到,又何必亲自忍耐这种奔波呢?

此刻看准墙边远离炉火的地方,以免自己长裙影响了工人们行动,还容易被灼伤——

“我循墙边慢慢观察,铁官大人自去忙吧。”

此处难得贵人亲临,铁官自然又连连躬身:“些许小事,自有别的铁官前去,小人今日服侍贵人就好。”

他令人迅速腾出墙边道路,而后极其耐心地跟着秦时一步一步向前,边走边看。

现如今是没有高炉的,但因此前千百年,累积了成熟的青铜冶炼工艺,因而铸铁技术也得到了大幅提升。

技术的出色进步,频繁战争的现实需求,使得如今熔炉也不算低矮,大约都在一米五到两米之间。

每座熔炉因产出不同,上头配的巨大的皮质橐龠也分别有四到十六个。

一座座熔铁炉均匀分布在此处,高高的屋顶遮挡着烈阳,空气中热浪蒸腾,秦时才走两步,就已渗出了涔涔热汗。

又远一些的地方用围墙围了起来。

一是禁地所在,如此可阻止人窥测。

二是防止奴隶暴民不安分,冲进来引火焚烧,以致事态难以掌控。

此刻里头人挥汗如雨,一人拼命倾倒橘红色溶液或锻打,一刻钟后便有人轮替,要在角落被人再泼上一身凉水。

否则的话,坚持不了一时三刻便要暑热过去。

秦时抬头看看极高处的屋顶,上头只简单架了梁柱,铺叠了重重苇草:“为何不在露天遮阴处打铁工作?”

铁官苦笑起来:“回贵人,咱们铁官工坊,也便只有今岁才能喘口气。”

再往前,大王要踏平六国,整个秦国的铁官工坊都需有这样的屋顶,如此才能不惧雨雪照常工作,以免延误战机。

不过,他倒也知道秦时的担忧,此刻又主动说道:“房梁用木石做基,外侧用黄土堆砌而成,并不易燃。”

“屋顶横梁同样稀疏,只盖了几层苇草固定。”

“若真有一时不慎引发火灾,冶工们迅速离开,便随它将屋顶烧空,落在熔炉也不影响什么,回头再将铁矿重新熔炼罢了。”

如此,才可无惧反复天气,随时随地都有人工作。

秦时沉默下去。

她干脆将心神放在熔炉上。

此时的工艺乃铸铁柔化术,已经延用百年,因而技术条件很是成熟。

所谓铸铁柔化术,就是将那些坚硬但也质地脆且容易断的铸造生铁,重新送入炉火中熔炼。

待成型后拿出来退火冷却处理,使得表面就形成了一层更坚硬更有韧度的钢。如此,方可使不同类型的铁矿都能够长久使用。

略次一些的做农具,更好的则送往兵器铸造处。

秦时仔细查看,而后问道:“这便是如今最好的工艺了吗?”

“这……”

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