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第230章 蒸汽机(1 / 2)

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——唐姬这次募捐,结果出乎意料,最后居然得了七个多亿,许多刺史、郡守和军队将领都捐了财产。当然,也有无动于衷的,比如张鲁就一铢未捐,刘综、蔡瑁、刘璋等人也只是象征性地捐了少量铜钱,硌得唐姬心里难受。

可唐瑁知道了这个结果,却很是吃惊,唐瑁问唐姬:“你到底有什么魔力,能让这些人财产都不要了,来跟你。”

唐姬笑嘻嘻地说:“您的女儿长得这么漂亮,这么迷人,为女儿投点钱不应该吗?”

“没半点正经……”

当然,这是后话。唐姬现在要为大家讲课。

许靖说:“您每次讲课都会让人大开眼界,备受鼓舞,可不可以多叫一些人来听?”

“可以,你去安排。”

唐姬到书房拿出早已写好的“蒸汽机原理”“抽水机原理”,来到会议室,叫人照着书稿快速画了几张草图。唐姬说:“我们在家里都会烧开水,烧水就会冒水蒸气,这一点大家都知道,我们就从这个水蒸气说起。”

唐姬指着一张图纸:“这是一种特制的锅,我们把它叫锅炉,下面的部分叫‘炉’,简单说就是烧煤的灶;上面部分叫‘锅’,装上水,让它产生水蒸气。这上面还有两棵管子,一棵管子进水,一棵管子出气……”唐姬详细讲述了锅炉的运行原来,大家说这个好理解,一会儿就听懂了。

接着唐姬指着第二张图,说:“这叫蒸汽机,主要由汽缸、底座、活塞、曲柄连杆机构、滑阀配汽机构、调速机构和飞轮等部分组成。它的工作原理是,锅炉中的水蒸汽通过管道被送到汽缸,然后通过阀门控制,交替进入汽缸的左侧或者右侧,从而推动活塞运动。不过关于蒸汽机的原理我就讲这么多,因为你们不是研究人员,不用知道得太详细,剩下的工作让研究人员去做就行了。”

“娘娘,这蒸汽机有什么用?”许靖问。

“好,我就来回答这个问题。这一张图上的机器叫水泵,它和蒸汽机连在一起就可以把水从低处抽送到高处,你们想象一下这有什么意义?”

大家都没有想到。许靖说:“还是娘娘讲吧。”

“现在邺城有很多运水车,他们每天去河里运水,我们喝的水、用的水,都是马车运回来的,如果我们在高处建一个水池,用水泵把水抽到水池里,再接通水管,城里不就有水了?”

唐姬停下来,几笔画了一个草图:“你们看,水自动流进城里,我们可以节约多少运水车?”

“哦,原来是用来给城市送水。”

“给城市送水还是小事,如果我们用来浇地,你们想想,会是什么结果。”

曹操大声说:“我们就不再怕旱灾了。太好了,娘娘,北方的粮食生产一直受旱灾困扰,去年更是收成减半,如果能抽水,不知会解救多少百姓?娘娘,您这可是真正造福百姓的好机器啊!”曹操心想:“我就是一直解决不了粮食问题,才让着你唐姬,要是有粮食,鹿死谁手还不一定呢。可惜,没机会了。”

“对,曹操大人作为民部令,心系百姓,一下就想到了。”唐姬表扬了曹操,接着说:“我们把机器安在河边、水塘边、水井边,把水抽到高处的水池,修上水渠,水就自动留到农田里去了。”唐姬又摊开一张纸,几笔画了一张示意图。会场里立即想起热烈的掌声。

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