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硫磺回收装置尾气处理重沸器设计(CAD)


全文字数:20000字左右  原创时间:<=2022年

【内容摘要】

硫磺回收装置尾气处理重沸器设计(CAD)

目  录

摘要         ………..........................................................................................    Ⅰ
Abstract       …………………………………………………………………   Ⅱ
第一章 引言( 绪论)                                              (1)
1.1  概述                                                         (1)
1.1.1 换热器在工业中的应用                                     (1)
1.1.2 换热器研究现状及发展动向                                 (2)
  1.2  设计任务、思想                                               (3)
1.2.1 设计任务                                                 (3)
1.2.2 设计思想                                                 (3)
  1.3  本设备的工艺流程                                             (3)
第二章  重沸器的工艺设计                                           (5)
2.1  重沸器的结构选型                                            (5)
2.2  物性数据的确定                                              (7)
2.3  估算设备尺寸                                                (8)
2.3.1  计算热流量                                              (8)
2.3.2  计算传热温差                                           (8)
2.3.3  计算传热管数                                           (8)
2.3.4  计算壳程直径                                           (8)
2.3.5  接管                                                   (8)
2.4  传热面积裕度                                                (9)
2.4.1  显热段传热系数                                         (9)
2.4.2  蒸发段传热系数                                         (11)
2.4.3  显热段核蒸发段的长度                                   (13)
2.4.4  计算实际需要传热面积                                   (13)
2.4.5  传热面积裕度                                           (13)
2.5   循环流量校核                                              (14)
2.5.1  循环系统的推动力                                       (14)
2.5.2 循环阻力                                               (15)
2.6   设计结果汇总                                              (19)
第三章  重沸器零部件的工艺结构设计                                (21)
3.1  传热管                                                     (21)
3.1.1  换热管的型式和尺寸                                     (21)
3.1.2  换热管的材料                                           (21)
3.1.3  换热管排列形式及中心距                                 (21)
3.2  折流板                                                     (22)
3.2.1  弓形折流板的主要几何参数                               (22)
3.2.2  折流板排列方式确定                                     (23)
3.2.3  折流板与壳体间隙                                       (23)
3.2.4  折流板厚度                                             (23)
3.2.5  折流板的管孔                                           (23)
3.2.6  材料的选取                                             (23)
3.3  拉杆、定距管                                                (23)
3.3.1  拉杆的结构形式                                         (23)
3.3.2  拉杆直径、数量和尺寸                                   (24)
3.3.3  拉杆的布置                                           (24)
3.4   防冲板、导流筒                                             (25)
3.4.1  防冲板                                                 (25)
3.4.2  导流筒                                                 (25)
3.5   接管                                                      (27)
3.5.1  接管的要求                                             (27)
3.5.2 接管高度(伸出长度)确定                              (27)
3.5.3  接管位置最小尺寸                                       (28)
3.5.4  排气,排液管                                           (29)
3.6   管箱                                                      (29)
3.6.1  管箱接管形式                                           (29)
3.6.2  管箱结构尺寸                                           (30)
3.7  管板结构尺寸                                               (30)
3.8  封头的选用                                                 (31)
3.8.1  液胺进口处的封头                                       (32)
3.8.2  胺气进口处的封头                                      (32)
3.9  法兰                                                       (33)
3.9.1  法兰结构类型                                           (33)
3.9.2  管法兰                                                 (33)
3.9.3  管箱法兰                                               (34)
3.10   垫片的选取                                               (35)
3.11   支座的选取                                               (36)
第四章  重沸器的机械结构设计                                      (37)
4.1  传热管与管板的连接                                         (37)
4.2  管板与壳体的连接                                           (37)
4.3  管板与管箱的连接                                           (39)
第五章  重沸器的强度设计与校核                                    (40)
5.1  壳体、管箱的壁厚计算                                        (40)
5.1.1  壳体                                                   (40)
5.1.2  管箱                                                   (40)
5.2  法兰的强度校核                                             (41)
5.2.1  管箱法兰                                               (41)
5.2.2  管程出口法兰                                           (46)
5.3  管板厚度的计算                                             (49)
5.4  管子与管板连接拉脱力的校核                                 (54)
5.4.1  换热管轴向应力                                         (54)
5.4.1  换热管与管板连接拉脱力                                 (54)
5.5  开孔补强                                                   (55)
5.6  支座的强度计算与校核                                       (56)
5.7  压力试验                                                   (58)
5.7.1  管程圆筒                                               (58)
5.7.2  壳程圆筒                                              (58)
第六章  重沸器的加工工艺和装配程序                                 (60)
6.1  概述                                                       (60)
6.2  流程图                                                     (60)
6.3  材料验收                                                   (60)
6.4  筒体的制造                                                 (60)
6.4.1  筒体的下料                                             (62)
6.4.2  筒节的成形                                             (62)
6.4.3  筒节的组对                                             (62)
6.4.4  筒节的焊接                                             (62)
6.4.5  筒体主焊缝的检测                                       (63)
6.5  封头的制造                                                 (63)
6.6  管板的制造                                                 (64)
6.7  管束的制造                                                 (64)
6.8  接管的制造                                                 (65)
6.9  折流板的制造                                               (65)
6.10  装配                                                      (66)
6.10.1  筒体、法兰的组装与焊接                                (66)
6.10.2  管箱的组装、焊接与加工                                (66)
6.10.3  管束的组装                                            (66)
6.10.4  管束、壳体及内件装配                                  (69)
6.11  油漆、包装                                                 (69)
6.12  重沸器在使用中常见故障及处理                              (69)
6.12.1  原因                                                  (69)
6.12.2  现象                                                  (70)
6.12.3  处理                                                  (70)
结论                                                              (71)
致谢                                                              (72)
参考文献                                                          (73)
附件                                                              (74)

 

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