第七百七十五章 自来水
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即便是现在，范家庄的百姓都要在别墅中立着好几个大水缸，厨房一个，洗手池一个，院子里下水道旁边一个，占了家中好多地方。
即便李植发明了抽水马桶，提高了领地百姓的卫生水平。但抽水马桶却还是靠用户提水桶为水池加水，十分不方便。
自来水系统，迫切需要引进。
后世的老式自来水系统使用的是镀锌管。作为一个工业设计师，李植知道这种水管的镀锌层其实就是一种摆设。用上十年，钢管内部的镀锌层肯定是会脱落的。那些年龄超过二十年的民宅中，自来水管一割开，里面全充满了铁锈。
如果水龙头长期未使用，拧开后会发现自来水是黄的，这就是因为自来水中溶解了铁锈。
不过其实这些铁锈是无伤大雅的。对于长期高频率使用的自来水管来说，单位自来水中沾染的铁锈是十分少的，根本达不到危害健康的水平。所以哪怕后世民居中的自来水管锈得厉害，也从没有说必须更换新的水管。
实际上，自来水中含有少量三氧化二铁，还能补铁。
如果水管长期不用，第一次使用时候把泛黄的铁锈水放掉，后面的水也依旧是能饮用的。
让现在的李植生产镀锌管李植是生产不出来的，不过既然铁锈并不会影响饮用水质量，李植就直接拿普通铁管做自来水管了。
自来水管的接合处会漏水，后世是用生胶带密封的。这个时代没有生胶带，但是李植使用天然树脂密封，效果同样很好。而自来水水龙头对精度要求不高，李植现在的机床工厂中可以大量生产。
建筑工人们根据李植的设计，挖开了王府中的一口大井，将一台龙尾车斜着撞进了水井中。这台龙尾车将井水扬到地面上的水池中去后，另外一台龙尾车又架在这个水池中，将水扬到十五米高的水塔上去。
水塔上面装着水管，水管埋在地面下面走，将高处的水引入到王府的各个用水处。厨房、厕所、澡房和洗手池旁边都装上了水龙头。
整个王府的水管安装耗时很久，没有个把月装不好。但是李植和崔合居住的后宫正院只用了一天就装好了水管。稍微一调试，李植就幸福地用上了自来水。
自来水龙头一打开，哗哗流出来的自来水吓了崔合一跳。
崔合此时已经有六个月身孕了，肚子鼓起来好大了。不过她还是被洗手池上潺潺流出来的自来水吸引，站在洗手池旁边看了好久。
“王爷，这是哪来的水啊？怎么像个山泉似的？”
李植把水龙头拧紧，关掉自来水，然后又把水打开，笑道：“这不是山泉，这是自来水。这水是从外面的水塔上压过来的。以后有了这水，我们就随时可以在房间里得到方便的水源了。”
崔合站在水池边看了好久，突然说道：“这一定是用到了物理上的虹吸原理！”
崔合在家中日日无事，找李植要去了理工学院中的物理、化学课本去看，倒是一下子就猜出了这自来水系统的原理。
李植愣了愣，捏了捏崔合的脸蛋，说道：“王妃真是聪慧！”
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