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第687章 大建学堂(1 / 2)

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“圣学渊深,臣又不懂了,”高斌坦诚的道:“不知道这水利与电力会有什么密不可分的关系?”

“当然有!将来生产电力在很大程度上要依靠你掌管的水利!”

“哦?”这下不只是高斌,除吴波外的所有人都被皇上这个新奇无比的说法给惊呆了!

陈世倌曾参加过几次有关电力的会议,会议上也议过要在北京城外修建发电厂的事。

他也纳闷怎么自己从来没听说过还有这回事?于是忍不住开口问道:“皇上是说将来要借水利来生产电力?”

“没错,那叫做水力发电!”黄越道:“这道理其实并不高深。”

“在城外即将动工兴建的发电厂是用煤火把水烧开产生的水蒸气推动发电机来发电,也叫做火力发电。”

“将来还要用水的力量代替水蒸气来推动发电机发电,所以叫做水力发电!”

陈世倌毕竟做了多年的工部尚书,只略一思忖就领会了其中的要领。

他脱口而出道:“那是不是要拦河筑坝,将水位抬高,然而再开闸放水,从而利用水流下泄之力?”

“真怨不得朕不舍得放你归山,你不做这工部尚书真是太可惜了!”黄越笑着赞道:“一下子就能说到点子上!”

在座的众人虽然差事各不同,术业有专攻,但平日里所学所用的无不是经世之学,立时就悟出了这水力发电的绝大好处!

“皇上,”尹继善道:“臣想若要这水力发电切实可行,必然要选在水量充沛的大江大河,先将河流改道,然后在河道上筑坝。”

“这坝也要筑得宽大坚固无比,才能不被河水冲垮,所以这筑坝所耗用的银子估计不会低于修一条铁路。”

“可一旦建成,就几近于一劳永逸,那水源取之不尽,用之不竭,比起火力发电要省下多少煤?那可都是真金白银那!”

“只怕这大坝的好处还远不止于此,”陈宏谋也道:“有了这样的大坝就会形成巨大的围堰,其中可蓄积大量的河水,就类似于陂塘,只是不知比陂塘大出了多少!”

“如果这坝足够高,陂塘足够大,就可以调节下游的流量。”

“赶上雨季上游来水多时就提高蓄水的水位,控制向下流疏泄的水量,下游就再不至于溃坝,能省了河工上多少事!”

“呵呵呵!你们都说对了!”黄越笑道:“陈汝咨所说的那个巨大无比的陂塘就叫做水库!这水库还有一宗好处你们可能不知道。”

“千百年来,中国的水患以黄河为最,黄河是害在下游、病在中游、根在泥沙,所以有‘治黄百难,唯沙为首’的说法。”

“如果在黄河上建起几座这样的大型水库,就可以通过精确的计算来控制水位和流量,用当年靳辅、陈璜提出的‘以水攻沙’的方法。”

“通过水流的冲击,将水库里、河床上的淤沙适时适量的送入大海,不仅能使水库不至淤塞,还可以使河道加深,大大的增加行洪能力!”

在座的众人中,高斌是最懂治水的,他也最知道这里面的难处。

“皇上!如果真的能做到这样,那黄河下游的‘地上悬河’将会大大的改观,足以造福千秋万代!”

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