年产20000吨味精提取工艺设计论文.doc
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山东建筑大学毕业设计说明书
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目 录
TOC \o 1-3 \h \z \u 摘 要··································································Ⅲ
ABSTRACT····························································Ⅳ
1 前 言································································ 1
1.1谷氨酸发酵··························································· 2
1.2谷氨酸提取和废水治理·················································3
1.3味精结晶：多效蒸发和连续结晶·········································3
1.4生产设备向大型化，自动化及节能型发展·································3
2 味精生产工艺························································ 5
2.1味精生产工艺概述······················································5
2.2 原料预处理及淀粉水解糖制备···········································7
2.2.1 原料的预处理·······················································7
2.2.2 水解糖的制备·······················································7
2.3种子扩大培养及谷氨酸发酵··············································7
2.4 谷氨酸的提取·························································8
2.5谷氨酸制取味精及味精成品加工········································· 8
2.6 谷氨酸提取工艺流程···················································8
2.7 工艺论证····························································10
3 物料衡算·····························································14
3.1设计依据·····························································15
3.2物料衡算···························································· 16
4主要设备选型及设备计算············································· 17
4.1 调酸罐的设计························································17
4.2 离子交换柱的设计····················································18
4.3 其它设备及管道······················································19
谢 辞··································································22参考文献·······························································23
山东建筑大学毕业设计说明书
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摘 要
味精工业是技术密集型产业，展望未来，味精工业将会达到更高水平，味精工业前景将更加美好，我们奋斗在味精行业的同仁们，应立足于现状，充分认识行业差距，借鉴国内外，
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