回转圆筒干燥机结构设计(2)

IV

东北大学毕业设计（论文） 目录

目录

摘要 ····································································································································································· I

ABSTRACT ····················································································································································· II

目录 ···································································································································································· 1 第一章 绪论 ······································································································································· 1

1.1干燥器的设计背景 ·························································································································· 1 1.2回转圆筒干燥器工作的基本原理 ························································································· 2 1.3回转圆筒干燥器的基本构成 ···································································································· 2 1.4工艺流程 ················································································································································ 3

1.4.1 物料流程······································································································································ 3 1.4.2 空气流程······································································································································ 4 1.4.3回转圆筒干燥机的结构组成 ································································································· 4

1.5回转圆筒干燥器的类型 ··············································································································· 5

1.5.1直接传热干燥器 ························································································································ 5 1.5.2间接传热干燥器 ························································································································ 5 1.5.3复合加热式转筒干燥器 ·········································································································· 5 1.5.4蒸汽煅烧干燥器 ························································································································ 6 1.5.5喷浆造粒干燥器 ························································································································ 6

1.6 回转圆筒干燥器的有关介绍 ··································································································· 6

1.6.1回转圆筒干燥器的应用范围 ································································································· 6

1

东北大学毕业设计（论文） 目录

1.6.2回转圆筒干燥器的应优缺点 ································································································· 6 1.6.3回转圆筒干燥器的发展趋势 ································································································· 7

第二章 筒体及支撑部分设计与计算 ··········································································· 9

2.1筒体···························································································································································· 9

2.1.1筒体计算的概念 ························································································································ 9 2.1.2筒体跨度计算 ····························································································································· 9 2.1.3筒体壁厚计算 ··························································································································· 10 2.1.4筒体载荷计算，参考筒体最小壁厚计算 ······································································· 10 2.1.5筒体弯矩与应力计算 ············································································································· 11 2.1.6筒体变形计算 ··························································································································· 13 2.1.7悬伸端挠度计算 ······················································································································ 14 2.1.8支座处弯矩计算 ······················································································································ 14 2.1.9支座处的轴向弯曲应力计算 ······························································································· 14 2.1.10筒体安装尺寸计算 ··············································································································· 15

2.2滚轮的设计与计算 ························································································································ 16

2.2.1滚轮与托轮材料 ······················································································································ 16 2.2.2许用接触应力计算及校核 ··································································································· 16

2.3托轮及轴的计算 ······························································································································ 17

2.3.1托轮直径 ····································································································································· 18 2.3.2托轮宽度 ····································································································································· 18 2.3.3托轮轴 ········································································································································· 18 2.3.4托轮轴的弯矩核算 ·················································································································· 19

2.4挡轮及轴的设计与计算 ············································································································· 20

2.4.1挡轮 ·············································································································································· 20 2.4.2挡轮受力 ····································································································································· 20

2

东北大学毕业设计（论文） 目录

2.4.3挡轮参数的确定 ······················································································································ 21 2.4.4挡轮轴的计算 ··························································································································· 22

第三章 传动部分设计与计算 ······························································································· 25

3.1电动机选型 ········································································································································· 25 3.2传动装置设计与计算 ··················································································································· 25

3.2.1传动装置的确定 ······················································································································ 25 3.2.2传动轴的设计与校核 ············································································································· 25 3.2.3轴承的选用与校核 ·················································································································· 35

3.3联轴器的选用 ··································································································································· 38

第四章 结论 ··········································································································································· 39 参考文献 ····················································································································································· 41 结束语 ··························································································································································· 43 附录 外文翻译 ······························································································································· 45 附录 中文 ··············································································································································· 57

3

东北大学毕业设计（论文） 目录

1