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时间:2018-10-27
《年产15万吨烧碱车间工艺设计论文》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、毕业设计年产15万吨烧碱车间工艺设计本科生毕业设计(论文)目录摘要·················································1第一章氯碱工业的发展··································31.1氯碱工业的历史······································31.2烧碱的性质、用途及其质量标准························31.3溶液电解方法的发展··································51.4氯碱工业的特点及发展趋势········
2、····················51.5离子膜··············································71.6离子膜电解技术······································101.7我国离子膜法电解槽的现状····························11第二章工艺流程的选择与说明····························112.1原料的选择50本科生毕业设计(论文)··········································112.2盐水精制的选择··
3、····································122.3电解工艺············································122.4碱液蒸发与浓缩······································132.5固碱工艺············································132.6液氯工段工艺流程简述································132.7氯气干燥的目的与机理································132
4、.8氢气处理············································132.9盐酸工段工序流程简述································14第三章工艺计算········································143.1电解槽的工艺计算·····································143.2洗涤塔内氢气的工艺计算·······························1750本科生毕业设计(论文)3.3钛冷却器内氯气工艺衡算·················
5、··············193.4硫干燥塔内氯气物料衡算·······························21第四章设备设计········································224.1离子膜电解槽的设计···································224.2钛冷却器的设计·······································244.3蒸发塔的设计·········································264.4蒸发设备的计算···············
6、························36第五章厂房布置·········································425.1厂房布置的重要意义···································425.2厂房布置的原则及方法·································42第六章环境保护50本科生毕业设计(论文)·········································44摘要作为一种基本的和重要的化工原料,烧碱在工业生产的各个领域都有着广泛的应用。50本科生毕业设计(论文)随
7、着氯碱工业的迅速发展,离子膜电解生产烧碱越来越被广泛运用,膜电解生产的其氧化钠浓度可达30%-50%(质量)。此外,离子膜电解制碱还有投资省,能耗低,氢氧化钠质量好,无污染,生产成本低等优点。因此无论是国外还是国内在新建,改造和扩建生产装置时都会首先考虑这一技术。本设计依据技术先进,经济合理,工艺可靠,系统最优的原则完成。烧碱的生产方法是离子膜电解法,通过以下一系列工序:盐水精制,电解精盐水,蒸发电解液来得到最终产品——固碱。本设计说明书包括:烧碱生产方法的论证,物料衡算和能量衡算,主体设备及辅助设备的设计。设计中对烧碱离子膜
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