课程设计（论文）-年产50000t柠檬酸发酵车间工厂设计.doc

目录
1 前言·····························································3
柠檬酸的性质和用途···········································3
柠檬酸的来源和发展情况·······································3
2 生产工艺·························································4
生产方法·····················································4
工艺流程·····················································4
操作工艺·····················································5
原料的处理·············································5
发酵工序···············································5
醪液处理工序···········································6
提取工序···············································6
精制工序···············································6
3 工艺计算·························································7
物料衡算
·····················································7
工艺技术指标及基础数据·································7
原料消耗计算···········································7
发酵醪量的计算·········································7
接种量的计算···········································8
液化醪量的计算·········································8
成品柠檬酸·············································8
年产5万吨一水柠檬酸总物料衡算·························8
热量衡算·····················································9
液化热平衡计算·········································9
发酵过程中蒸汽耗量的计算·······························9
发酵过程中冷却水耗量的计算····························11
发酵过程中无菌空气耗量的计算··························11
4 设备选型························································12
···············································12
发酵罐的选型··········································12
发酵罐容积和台数的确定
························12
发酵罐主要尺寸计算····························12
发酵罐冷却面积计算····························13
发酵罐搅拌器的计算····························13
种子罐的选型·····································