毕业论文 年产160万吨焦炭焦化厂粗苯回收工艺.doc
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毕业论文 年产160万吨焦炭焦化厂粗苯回收工艺,摘 要 苯族烃是宝贵的化工原料，随着原油价格的不断增长，粗苯的价格也在不断增长，而焦炭价格稳中有降，因此各焦化企业对焦炉煤气中苯的回收更加重视，粗苯的销售已成为一些企业的主要经济利润来源。焦化厂的粗苯回收工艺主要包括洗苯和脱苯。洗苯塔是填料吸收塔，脱苯塔是板式精馏塔。板式塔为筛板塔，主要参数为，塔高20米，塔径2米，筛...
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摘 要 苯族烃是宝贵的化工原料，随着原油价格的不断增长，粗苯的价格也在不断增长，而焦炭价格稳中有降，因此各焦化企业对焦炉煤气中苯的回收更加重视，粗苯的销售已成为一些企业的主要经济利润来源。焦化厂的粗苯回收工艺主要包括洗苯和脱苯。洗苯塔是填料吸收塔，脱苯塔是板式精馏塔。板式塔为筛板塔，主要参数为，塔高20米，塔径2米，筛孔数目12371，开孔率10.1%。辅助设备主要包括：冷凝器、预热器,其中冷凝器采用全凝器。塔附件主要有：接管、群座、人孔。其中进料管采用直管进料管；回流管采用直流回流；裙座采用圆角形，由于裙座内径约800mm,取裙座厚度16mm，考虑到使用再沸器,裙座高度取2m。根据所得数据，绘制筛板式板式塔的CAD图，溢流装置画出放大剖面图，塔顶塔底和人孔部位局部放大。
关键词 160万吨 粗苯回收 板式塔 设备参数 CAD图
外文页
The Technology Process of Crude Benzene Recovery in 1.6 million tons coke plant every year
Song Jieran directed by Wang Aibing
Abstract Aromatic hydrocarbon is an important kind of chemical raw materials. The priece of oil and crude benzene is growing,but the price of coal is discreasing. So coking enterprise to pays more attention to the recovery of benzene, crude benzene sales has become the main economic profits in some enterprises. Coke's crude benzene recovery process mainly include benzene washing and removing The washing benzene tower is an absorption tower,and removing benzene tower is a plate column. While the plate column is a sieve-plate column.The main parameters for sieve-plate column is that the height of the tower is 20 metres , the width of the tower is 2 meters, the number of sieve hole is 12371,the opening rate of sieve-plate column is 10.1%. Subsidiary equipment mian includes: condenser,and preheater, while the condenser adopts whole coagulation device.The accessories of sieve-plate column mainly includes: take over, crowd subside, manholes.While the channel of anticipate is a straight conduit ,.the backward flow conduit is direct current backward flow ; the crowd subside is round shape, because of crowd subside diameter,is 800mm,taking the thickness of crowd subside is 16mm, consider using the again boiling installation the height of crowd subside is 2 metres .According to the data ,draw the CAD of sieve-plate column, drow the enlarge sectional picture of overflow installation, and paint the part enlarge sectional chart of. manholes
Keywords 160 tons，crude benzene recovery ，plate tower ，equipment parameter ，CAD
目 录
摘 要 I
1总论 1
1.1粗苯回收概述 1
1.2粗苯的性质 1
1.3 设计任务、条件和要求 1
2综述 2
2.1粗苯工艺流程简述 2
2.2影响粗苯回收的因素 2
2.3前景展望 3
3粗苯生产工艺流程 3
3.1粗苯工艺的基本原理 3
3.2工艺流程 5
3.3 主要设备的工艺计算和选型 8
4计算说明书 9
4.1计算条件 9
4.2精馏塔的物料衡算 10
4.3塔板数的确定 11
4.4精馏塔的工艺条件及有关物性数据的的计算 14
4.5精馏塔的塔体工艺尺寸计算 16
4.6塔板主要工艺尺寸的计算 17
4.7筛板的流体力学验算 19
4.8塔负荷性能图 21
4.9筛板塔的计算结果 25
5结论 27
6塔体结构及附属设备的设计 27
6.1冷凝器选择: 27
6.2接管 28
6.3裙座 28
6.4人孔 28
7设计方案和厂区布置 29
7.1粗苯工艺的厂区布置图 29
7.2操作岗位的确定及岗位定员 31
7.3防火防爆和采暖通风 32
7.4供气和给排水 32
8三废的处理及环境的保护 33
8.1环境保护概述 33
8.2煤化工生产中的主要污染物 33
8.3煤化工污水的处理 34
8.4煤化工烟尘和废气的处理 35
8.5焦化废渣的处理方法 35
9设计体会和收获 35
参考文献 36
致 谢 37
关键词 160万吨 粗苯回收 板式塔 设备参数 CAD图
外文页
The Technology Process of Crude Benzene Recovery in 1.6 million tons coke plant every year
Song Jieran directed by Wang Aibing
Abstract Aromatic hydrocarbon is an important kind of chemical raw materials. The priece of oil and crude benzene is growing,but the price of coal is discreasing. So coking enterprise to pays more attention to the recovery of benzene, crude benzene sales has become the main economic profits in some enterprises. Coke's crude benzene recovery process mainly include benzene washing and removing The washing benzene tower is an absorption tower,and removing benzene tower is a plate column. While the plate column is a sieve-plate column.The main parameters for sieve-plate column is that the height of the tower is 20 metres , the width of the tower is 2 meters, the number of sieve hole is 12371,the opening rate of sieve-plate column is 10.1%. Subsidiary equipment mian includes: condenser,and preheater, while the condenser adopts whole coagulation device.The accessories of sieve-plate column mainly includes: take over, crowd subside, manholes.While the channel of anticipate is a straight conduit ,.the backward flow conduit is direct current backward flow ; the crowd subside is round shape, because of crowd subside diameter,is 800mm,taking the thickness of crowd subside is 16mm, consider using the again boiling installation the height of crowd subside is 2 metres .According to the data ,draw the CAD of sieve-plate column, drow the enlarge sectional picture of overflow installation, and paint the part enlarge sectional chart of. manholes
Keywords 160 tons，crude benzene recovery ，plate tower ，equipment parameter ，CAD
目 录
摘 要 I
1总论 1
1.1粗苯回收概述 1
1.2粗苯的性质 1
1.3 设计任务、条件和要求 1
2综述 2
2.1粗苯工艺流程简述 2
2.2影响粗苯回收的因素 2
2.3前景展望 3
3粗苯生产工艺流程 3
3.1粗苯工艺的基本原理 3
3.2工艺流程 5
3.3 主要设备的工艺计算和选型 8
4计算说明书 9
4.1计算条件 9
4.2精馏塔的物料衡算 10
4.3塔板数的确定 11
4.4精馏塔的工艺条件及有关物性数据的的计算 14
4.5精馏塔的塔体工艺尺寸计算 16
4.6塔板主要工艺尺寸的计算 17
4.7筛板的流体力学验算 19
4.8塔负荷性能图 21
4.9筛板塔的计算结果 25
5结论 27
6塔体结构及附属设备的设计 27
6.1冷凝器选择: 27
6.2接管 28
6.3裙座 28
6.4人孔 28
7设计方案和厂区布置 29
7.1粗苯工艺的厂区布置图 29
7.2操作岗位的确定及岗位定员 31
7.3防火防爆和采暖通风 32
7.4供气和给排水 32
8三废的处理及环境的保护 33
8.1环境保护概述 33
8.2煤化工生产中的主要污染物 33
8.3煤化工污水的处理 34
8.4煤化工烟尘和废气的处理 35
8.5焦化废渣的处理方法 35
9设计体会和收获 35
参考文献 36
致 谢 37
