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第九百九十七章 石油

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有了工厂和居民,商业区也渐渐聚集,所以范家庄的郊外现在发展极快。

根据范家庄官方的统计,去年年底范家庄和天津卫城附近的总人口已经达到七十三万。各种民营工厂、作坊无数。

所以现在范家庄大量减少了木柴的使用。平日里蒸汽锅炉都烧煤,而百姓取暖则烧木炭。也就是做饭时候烧一些木柴,需要从北直隶进口。

李植指了指炉灶上方的铁罐子,朝蔡怀水说道:”将石油倒进那铁罐子里。“

蔡怀水赶紧招呼搬运工倒石油。

很快,铁罐子下面的炉灶就燃烧起来。炉灶上的温度计开始升温。等炉灶上面的石油开始沸腾时候,李植一声令下,让工作人员打开了锅炉和分馏器之间的闸门。

灼热的石油原油变成了气体,进入了分馏器。

蔡怀水睁大眼睛,看着那分馏器上上下下的管子和罐子。

大概过了一刻钟,最下面的管子中开始流出粘稠的液体。

那液体是黑色的,看上去比能流动的石油更浓稠。因为此时温度还很高,还能在管子里流动。但蔡怀水怀疑温度一降低,那粘稠的东西就会凝固起来。

李植指着那粘稠的黑东西,高兴地说道:”蔡怀水,你看,这第一个产物是沥青。“

”王爷,何谓沥青?“

“沥青是一种防水材料,也可以用于防腐。当然,最大的用途就是铺路。用沥青铺设的道路有一定的弹性,行走车马时候比水泥路更平稳舒服。而且沥青铺设的道路便于维护,坏了再铺一层沥青就可以了。“

”当然,更关键的是,这沥青可以从石油中直接分馏获得,成本低价格便宜。不像水泥那样需要高温烧制,造价较高。“

蔡怀水啧啧称奇,拿眼睛去看那沥青。

李植抬头看了看分馏塔的第二层管子。果然,没多久,第二根管子就开始流出产物。

李植带着蔡怀水走到炼油厂第二层,去看那第二根管子流出来的产物。

”王爷,为何这石油进入分馏器后,能变成不一样的东西出来?“

李植说道:”这石油本来就是混合物,并不是一种东西,而是多种东西混在一起。高温变成气体后,在不同的温度下冷凝,不同的成分就分离出来了。“

蔡怀水恍然大悟,说道:”原来如此!“

李植指着第二层管子中冷凝出来的粘稠油状物,说道:”这第二个产物,是润滑油。“

”这石油产的润滑油远胜过一般的动植物油脂,用在机器和车马的轴承上可以很大程度降低结合部的摩擦力,对于改进我们的机器性能和效率有极大的作用。“

蔡怀水听到这话十分惊讶,说道:”地底下冒出来的石油,竟有这么大的用处?“

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