多囊鼓风的水排
English translation: hydropowered air blast multi-bag array
| 01:15 Jan 27, 2008 |
| Chinese to English translations [PRO] Art/Literary - History / 中国历史;我国古代的冶炼和铸造技术 | |||||||
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|  Selected response from: franksf | ||||||
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| 3 | hydropowered air blast multi-bag array |
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1 hr confidence: 
hydropowered air blast multi-bag array Explanation: http://www.kepu.net.cn/gb/technology/ancientech/ancientech_m... 冶铁水排 水排是我国古代一种冶铁用的水利鼓风装置。人类早期的鼓风器大都是皮囊。一座炉子用好几个囊，放在一起，排成一排，就叫“排囊”用水力推动这些排囊，就叫“水排”。水排发明于东汉早期，是南阳太守杜诗（？－38）在总结劳动人民实践经验基础上发明的。因为它“用力少，见功多”所以大家乐于使用。三国时期的韩暨把它推广到了魏国官营冶炼作坊中，用水排代替过去的马排、人排，四季不歇。水排不但节省了人力、畜力，而且鼓风能力比较强，因此促进了冶铁业的发展。水排在我国沿用了很长一个时期，直到本世纪七十年代，一些地方还在使用。 汉代的水排由同一时期的水碓和翻车结构推测，也是一种轮轴拉杆传动装置、我国古代水排构造的详细技术最早见于元代的《王祯农书》，依水轮放置方式的差别，分为立轮式和卧轮式两种。都是通过轮轴、拉杆及绳索把圆周运动变成直线往复运动的，以此达到起闭风扇和鼓风的目的。因为水轮转动一次，风扇可以起闭多次，所以鼓风效能大大提高。 |
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