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北京石油化工学院2026年研究生招生接收调剂公告
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songjie0722

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[资源] 蒸馏过程基础

馏过程概述.................................................................................................................................1
1.1. 蒸馏过程在化工中的应用.....................................................................................................1
1.2. 蒸馏分离的特点.....................................................................................................................1
1.3. 蒸馏过程的分类.....................................................................................................................1
2.蒸馏过程的汽液平衡关系..............................................................................................................2
2.1. 两组分理想物系的汽液平衡..................................................................................................2
2.1.1. 汽液平衡相图.................................................................................................................2
2.1.2. 汽液平衡的关系式.........................................................................................................2
2.2. 两组分非理想物系的汽液平衡..............................................................................................4
2.2.1. 汽液平衡相图.................................................................................................................4
2.2.2. 汽液平衡方程.................................................................................................................4
3.平衡蒸馏与简单蒸馏......................................................................................................................5
3.1. 平衡蒸馏装置与流程.............................................................................................................5
3.2. 平衡蒸馏过程计算.................................................................................................................5
3.3. 简单蒸馏装置与流程.............................................................................................................6
3.4. 简单蒸馏的计算.....................................................................................................................7
精馏过程原理.................................................................................................................................8
4.1. 多次部分汽化和冷凝.............................................................................................................8
4.2. 精馏塔模型.............................................................................................................................8
精馏操作流程.................................................................................................................................9
5.1. 连续精馏操作流程.................................................................................................................9
5.2. 间歇精馏操作流程.................................................................................................................9
6.两组分连续精馏的计算................................................................................................................10
6.1. 计算的基本假定...................................................................................................................10
6.1.1. 理论板的假定...............................................................................................................10
6.1.2. 恒摩尔流假定...............................................................................................................10
6.2. 物料衡算与操作线方程.......................................................................................................11
6.2.1. 全塔物料衡算............................................................................................................... 11
6.2.2. 操作线方程................................................................................................................... 11
6.3. 进料热状况对操作线方程的影响........................................................................................12
6.3.1. 精馏塔的进料热状况...................................................................................................13
6.3.2. 进料热状况参数...........................................................................................................13
6.3.3. 进料热状况对操作线方程的影响...............................................................................14
6.4. 理论板层数的计算...............................................................................................................14
6.4.1. 逐板计算法...................................................................................................................14
6.4.2. 图解法...........................................................................................................................15
6.4.3. 适宜的进料位置...........................................................................................................16
6.5. 回流比的影响及其选择.......................................................................................................17
6.5.1. 全回流和最小理论板层数...........................................................................................17
6.5.2. 最小回流比...................................................................................................................19
6.5.3. 适宜回流比的选择.......................................................................................................19
7蒸馏和吸收塔设备........................................................................................................................19
7.1. 板式塔..................................................................................................................................19
7.1.1. 板式塔的结构...............................................................................................................19
7.1.2. 塔板的类型...................................................................................................................20
7.1.3. 板式塔的流体力学性能...............................................................................................21
7.2. 填料塔..................................................................................................................................25
7.2.1. 填料塔的结构特点.......................................................................................................25
7.2.2. 填料的类型...................................................................................................................25
7.2.3. 填料的性能评价...........................................................................................................27
7.2.4. 填料塔的流体力学性能...............................................................................................28
7.2.5. 填料的选择...................................................................................................................29
7.2.6. 填料塔的内件...............................................................................................................31
投运准备.......................................................................................................................................33
8.1. 开车前检查...........................................................................................................................33
8.2. 管线清扫...............................................................................................................................34
8.3. 塔的清扫...............................................................................................................................34
8.4. 装拆盲板...............................................................................................................................35
8.5. 渗漏试验...............................................................................................................................36
8.6. 塔的冲洗...............................................................................................................................36
8.7. 脱水操作...............................................................................................................................37
停车...........................................................................................................................................38
9.1. 开停车一般步骤...................................................................................................................38
9.2. 开停车用的管线...................................................................................................................38
9.3. 开停车应考虑的问题...........................................................................................................39
9.4. 全回流操作...........................................................................................................................41
9.5. 塔中液体的排放...................................................................................................................41
10.现场测试..................................................................................................................................42
10.1. 液泛的现场测试...................................................................................................................42
10.2.塔中泡沫...............................................................................................................................43
10.3. 塔性能现场测试...................................................................................................................44
11.故障处理..................................................................................................................................50
11.1. 精馏增故障原因...................................................................................................................50
11.2. 故障处理对策.......................................................................................................................50
11.3. 故障处理实例.......................................................................................................................53
12. 精馏塔的基本控制...................................................................................................................
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shdshen

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需要中,感谢楼主无私奉献.
5楼2007-04-16 16:41:12
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ppfans

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需要中,感谢楼主无私奉献.
4楼2007-04-16 11:44:56
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yru6312

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太好了,感谢楼主无私奉献
6楼2007-04-16 21:54:34
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tangyongws

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谢谢,很好的资料
7楼2007-04-17 11:25:03
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zmzhou2楼
2007-04-16 08:21   回复  
感谢分享!
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