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第章 鼓风(1 / 2)

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鼓风机,一种十分常见的工具,一般分为扇、吹管和皮囊,中国历史上最常见的风箱便是属于吹管,而现代的离心式鼓风机自然就属于扇,而皮囊应该算是历史最悠久的方式,不过因为效率低下,已经被淘汰的差不多了。

张岩看到小弟们生火的情形,想到了利用鼓风机来升高炉温,但是真正要做的时候,他却不知道该用哪一种形式的鼓风机。

皮囊算是最容易制造的鼓风工具,但是皮囊的弱点十分的明显,它无法一直保持风量,而且,想要获得足够的风速,皮囊需要做的很大,而太大的皮囊不仅臃肿,而且需要很大的力气去压。

皮囊被否决了之后,就只剩下扇和吹管两种形式了,虽然很想用风箱这样的吹管式鼓风机,但是没有见过实物风箱的张岩对于其内部构造没有半点印象。

最终,张岩只能选择最后一种制造鼓风工具的方式,也是张岩前世见到最多的利用扇叶来鼓风的方法。

张岩用建造熔炉的泥土建造了一个类似鼓风机的壳体,而扇叶则是用木头削成尽量薄的木片,将木片捆在棍子上,放入壳体内,转动木棍,被加压的风就这样从壳体前段的风口冲了出去。

试验进行的很顺利,这样做出的原始鼓风机能够一刻不停的向外输出风力,但是摆在张岩面前还有一个问题,那就是如何不停的转动棍子,仅凭人手去搓动的话,先不说效率,单单是搓动棍子的手就受不了,高强度的搓动棍子,用不了多久,手上就要被磨出水泡了。

张岩被这个问题困扰了两天,然后他看到了狩猎队用来钻木取火的工具。

虽然用燧石生火已经取代了更加原始的钻木取火,但是习惯于远行的狩猎队依然保留着数百年前的方法,而同样是为了钻木的时候不磨手,先人们发明了用弓转动棍子的方法,一推一拉之间完成了需要耗费大量体力的劳动。

同样的方法自然适用同样的困境,张岩将弓弦缠在了那根连接扇叶的木棍之上,虽然依旧需要耗费不少体力,但拉大锯似的的方法比起纯粹用手搓动还是先进了太多太多,而且用这样的方法,哪怕将扇叶再扩大个三四倍也可以轻松做到。

新的熔炉迅速的做好了,比起之前熔炼青金的旧式熔炉,新熔炉做的更加细长,而更明显的区别自然是新熔炉旁边那个有着一张弓的鼓风机。

“阿岩,这新熔炉真的能把金子熔炼成一大块金砖吗?”虽然回到氏族的每个人都信誓旦旦的向张虎等高层保证了这个消息的真实性,但是,他们到现在依然有些半信半疑。

“等下看就知道了。”张岩信心满满。“生火!”张岩一声令下,帮着张岩建造新熔炉的小弟们就迫不及待的开始生火。

火焰很快升了起来,鼓风机还未开始工作,每天都在这里铸造各种青金武器、工具的工匠们就感觉到了一丝不寻常。

“这火似乎比以往那些熔炉更强啊?!”整日和熔炉打交道的工匠们对火焰的温度有着敏锐的感觉,本以为是自己错觉的他们互相看了看之后才确定这是事实,这让他们有些喜出望外,“就算阿岩这个什么鼓风机没有用,单单这个新熔炉也可以让我们熔炼青金的时候轻松一些了。”

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