打散滚筒干燥机结构设计.doc

1、打散滚筒干燥机结构设计 导读：就爱阅读网友为您分享以下“打散滚筒干燥机结构设计”的资讯，希望对您有所帮助，感谢您对的支持!东北大学毕业设计（论文） 第二章 机械结构的设计计算 小链轮齿顶圆最小直径： damin?d?(1?1.61.6)p?d1?308.6?(1?)50.8?28.58?326.55mm (2-40) z119取小链轮齿顶圆直径da?340mm。 3）计算齿根圆直径 df?d?d1?308.6?28.58?280.02mm (2-41) 4）计算分度圆弦齿高 取分度圆弦齿高： ha?0.27p?13.7mm (2-42) 5）计算小链轮齿宽 齿宽： bf1?0.95b1?0.9

2、5?31.55?30mm (2-43) 6）齿侧倒角 ba?0.13p?0.13?50.8?6.6mm (2-44) 7）齿侧半径 r?x?p?50.8 (2-45) 2.3 打散轴链传动设计 2.3.1 链传动计算 （1）电机和减速机的选择 摆线针轮减速机XWD-5-23传动比23 电机：型号Y112M-2； 额定功率4kW； 同步转速3000r/min； 满载转速2890r/min； 满载电流7A； 满载时的效率85.5%； - 14 - 东北大学毕业设计（论文） 第二章 机械结构的设计计算 满载功率因数0.87； 额定电流=7A； 额定转矩=2.2Nm； 最大转矩=2.2Nm； 净重45

3、kg。 打散轴转速110r/min。 （2）传动比 小链轮转速: n1?2890?125.65r/min (2-46) 23传动比: i?（3）小链轮齿数 根据机械设计手册表13-2-2，i?1.14，在1?2间，所以小链轮齿数选择 z1?29（一般取奇数）。 n1125.65?1.14 (2-47) n2110（4）大链轮齿数: z2?iz1?1.14?29?33?120 (2-48) （5）设计功率: Pd?KA?P?1.4?4?5.6KW （2-49) 其中：由机械设计手册表13-2-3知工况系数KA=1.4。 （6）单排链的传递功率: P0?Pd5.6?5.6kW (2-50) Kz?

4、KP1.00?1.00其中：小链轮齿数系数Kz=1.00（见机械设计手册表13-2-4）。 排数系数KP=1.00（见机械设计手册表13-2-5）。 （7）链条节距： 。 p?25.4mm（根据P0和n1由机械设计手册图13-2-1得）- 15 - 东北大学毕业设计（论文） 第二章 机械结构的设计计算 （8）初定中心距: a0?(30?50)p?47?25.4?1193.8mm (2-51) a0min?0.33z1(i?1)p?0.33?29?(1.14?1)?25.4?24.3mm (2-52) a0max?80p?80?25.4?2032mm （2-53) （9）以节距计的初定中心距：

5、aa00p?p?1193.825.4?47 （10）链条节数： Lz1?z2P?2?2ak0p?a0p ?29?332?2?47?0.40547 (2-55) ?125?126应圆整为偶数：（其中k=0.405，见机械设计手册表13-2-7）。（11）链条长度： L?LPp126?25.41000?1000?3.2m (2-56) （12）计算中心距： z1?z2时 ac?p(2LP?z1?z2)ka ?25.4?(2?126?29?33)?0.24998 (2-57) ?1206.4mm其中ka=0.24998（见机械设计手册表13-2-8）。 （13）实际中心距： a?ac?a?1206.

6、4?3.6?1202.8mm (2-58) 其中：?a?(0.002?0.004)ac?0.003?1206.4?3.6mm。 （14）链条速度： v?z1n1p29?125.6560?1000?25.460?1000?1.54m/s (2-59) - 16 - (2-54) 东北大学毕业设计（论文） 第二章 机械结构的设计计算 （15）有效圆周力： Ft?（16）作用在轴上的力： F?1.05KAFt?1.05?1.4?2.6?103?3.8?103N (2-61) 1000P1000?4?2.6?103N (2-60) v1.542.3.2滚子链的静强度计算 静强度安全系数： n?QKAF

7、t?Fc?Ff?55.6?103 1.4?2.6?103?6.166?100 (2-62) ?14.8?nP?4?8满足使用条件。 其中：链条极限拉伸载荷Q=55.6kN（见机械设计手册表13-2-1）。离心力引起的力： Fc?qv2?2.6?1.542?6.166N (2-63) （其中q?2.6kg/m，见机械设计手册表13-2-9）。 F?Kfqaf100?3?2.6?1202.8100?93.8N (2-64) F?(Kf?sin?)qaf100?(3?sin38?)?2.6?1202.8100?113.1N (2-65) 选择悬垂力Ff?100N。 2.3.3滚子链的耐疲劳工作能力计

8、算 （1）链板疲劳强度限定的额定功率： P?0.003z1.080.9p3?0.002825.401n1(25.4) ?0.003?291.08?125.650.9?(25.43?0.0028?25.425.4) (2-66) ?8.8kW（2）滚子套筒冲击疲劳强度限定的额定功率： - 17 - 东北大学毕业设计（论文） 第二章 机械结构的设计计算 1.50.8950z1p950?291.5?25.40.8?1.4kW (2-67) P?1.5n1125.651.50（3）KAP1.4?4KP?5.6kW P0?A?P0 KPKP1则使用寿命： KPP0LP8.8126)?15000?2970

9、0h (2-68) T?15000(KAP1001.4?4100满足要求。 2.3.4大链轮的尺寸计算 （1）基本参数： 由以上计算可知： 大链轮齿数z2?33； 链条型号16A： 节距p?25.4mm；滚子外径d1?15.88mm；内链节内宽b1?15.75mm。 （2）尺寸计算 1）大链轮分度圆直径 d?p25.4180?180?267.2mm (2-69) sinzsin2332）计算齿顶圆直径 大链轮齿顶圆最大直径： damax?d?1.25p?d1?267.2?1.25?25.4?15.88?283.1mm大链轮齿顶圆最小直径： damin?d?(1?1.6z)p?d(1?1.61?

10、267.2?)?25.4?15.88?275.45mm (2-71) 233取大链轮齿顶圆直径da?280mm。 3）计算齿根圆直径 df?d?d1?267.2?15.88?251.32mm (2-72) - 18 - (2-70) 打散滚筒干燥机结构设计 姓 名 学 院 机械工程与自动化 专 业 机械工程及自动化 指导教师 副教授 东北大学机械工程与自动化学院 2007年6月 The design for Scatter drum dryer structure By Chen Yahui Supervisor: Vice Professor Zhang The college of Mec

11、hanical Engineering and Automation Northeastern University June2007 毕业设计（论文）任务书 毕业设计（论文）题目： 打散滚筒干燥机结构设计 基本内容： 1. 打散滚筒整体设计。 2. CAXA二维制图，达到4张A0图量以上。 3. 论文10000字以上，外文翻译2000汉字以上。 毕业设计（论文）专题部分： 题目： 打散滚筒干燥机结构设计 基本内容：打散滚筒干燥机整体设计：筒体通过链传动转动，转速配图。零件的设计计算与强度校核。 6rpm；破碎轴通过链传动转动110rpm。用CAXA软件进行二维制图，包括零件图、部分装配图、总

12、装 学生接受毕业设计（论文）题目日期 第 1 周 指导教师签字： 年 月 日 东北大学毕业设计（论文） 摘要 摘要 干燥技术的应用由来以久，干燥的目的是除去某些原料、半成品中的水分或溶剂,使物料便于包装、运输、贮藏、加工和使用。 目前，国内干燥机的种类很多，按干燥机的构造分，主要有以下几种：喷雾干燥机、流化床干燥机、气流干燥机、回转圆筒干燥机、滚筒干燥机、各种厢式干燥机等。 打散滚筒干燥机是在常规滚筒干燥机的基础上开发的新型干燥设备，通过增加打散和破碎功能，极大地拓展了常规滚筒的使用范围，在保留转筒的处理量大、运行平衡的优点的同时，能处理粘性物料，膏糊状物料。 打散滚筒干燥机的应用广泛,可被广

13、泛地应用于化工、酿造、制造、制药、肥料、城市污泥处理等方面。打散滚筒的设计是一向具有实际意义的工作。本文是根据干燥过程的基本原理，针对其它机型的特点和社会的需求，在已有成功设计实例的基础上，参考以前设计者的经验和结论，进行的设计。由于该机型已有成功应用，因此本文在设计时引用了其他一些设计老师的实验方法和结论。 本论文主要是从以下几个方面介绍打散滚筒干燥机的设计。首先，介绍国内外干燥技术的应用，概括本项设计的设计背景，从干燥机的生产能力和特点出发，确定出整体设计方案。第二步进行机械结构的设计，包括传动部分的设计和校核，轴的形状和尺寸的确定和校核和轴承的寿命计算等。第三步确定其他零件的尺寸和形状，

14、利用CAXA绘制零件图、部分装配图和整体装配图。 关键词：干燥机，打散滚筒，破碎。I 东北大学毕业设计（论文） Abstract Abstract The application of drying technology has been a long, dry purpose is to remove certain raw materials, semi-finished products of water or solvent enable ease of packaging materials, transportation, storage, processing and use.

15、At present, domestic Dryer have many types, according to Dryer tectonic mainly in the following categories : Spray, fluidized bed dryer, air dryer, rotary drum dryer, drum dryer, various Van drying machine. Scattered drum dryer is in a conventional drum dryer on the basis of the development of new d

16、rying equipment, through increased functional shattered and broken, greatly expanded the use of conventional drum, the drum retained the capacity, Operation of the merits of the same time, be able to handle viscous materials, gypsum paste materials. Scattered drum dryer is widespread used; it can be

17、 widely used in chemical industry, brewing, manufacturing, pharmaceuticals, fertilizer, and City sludge treatment. Typical materials, such as brewers grain dry distillers grains drying, drying alcohol worse, penicillin residue dry, dry residue oxytetracycline, all types of residue dry starch residue

18、, dried cassava slag and sludge drying, the drying of peat and chicken manure dry, dry fertilizer, activated sludge drying, sewage sludge drying, sludge drying petrochemical, paper sludge drying, sludge drying dyeing, tanning sludge drying, electroplating sludge drying, urban sewage treatment plant

19、sludge drying, biological fermentation bacteria residue drying. Scatters the design of the drum has always been of practical significance to the work. This is according to the drying process of the basic tenets against other type of characteristics and the needs of the community. It has been success

20、ful in the design example, on the basis of information before the designers experience and conclusions for the design. Since the models have been successfully applied in the design of this paper quoted some other teachers design the experimental methods and conclusions. The present paper mainly is f

21、rom following several aspects introduced scatters the drum drier the design. First, introduced domestic and foreign dry technical the application, summarizes this design the design background, embarks from the dryer productivity and the characteristic, and determines the overall design plan. Second

22、step carries on the mechanism the design, including transmission partial designs and examination, axis shape and size II 东北大学毕业设计（论文） Abstract Abstract The application of drying technology has been a long, dry purpose is to remove certain raw materials, semi-finished products of water or solvent ena

23、ble ease of packaging materials, transportation, storage, processing and use. At present, domestic Dryer have many types, according to Dryer tectonic mainly in the following categories : Spray, fluidized bed dryer, air dryer, rotary drum dryer, drum dryer, various Van drying machine. Scattered drum

24、dryer is in a conventional drum dryer on the basis of the development of new drying equipment, through increased functional shattered and broken, greatly expanded the use of conventional drum, the drum retained the capacity, Operation of the merits of the same time, be able to handle viscous materia

25、ls, gypsum paste materials. Scattered drum dryer is widespread used; it can be widely used in chemical industry, brewing, manufacturing, pharmaceuticals, fertilizer, and City sludge treatment. Typical materials, such as brewers grain dry distillers grains drying, drying alcohol worse, penicillin res

26、idue dry, dry residue oxytetracycline, all types of residue dry starch residue, dried cassava slag and sludge drying, the drying of peat and chicken manure dry, dry fertilizer, activated sludge drying, sewage sludge drying, sludge drying petrochemical, paper sludge drying, sludge drying dyeing, tann

27、ing sludge drying, electroplating sludge drying, urban sewage treatment plant sludge drying, biological fermentation bacteria residue drying. Scatters the design of the drum has always been of practical significance to the work. This is according to the drying process of the basic tenets against oth

28、er type of characteristics and the needs of the community. It has been successful in the design example, on the basis of information before the designers experience and conclusions for the design. Since the models have been successfully applied in the design of this paper quoted some other teachers

29、design the experimental methods and conclusions. The present paper mainly is from following several aspects introduced scatters the drum drier the design. First, introduced domestic and foreign dry technical the application, summarizes this design the design background, embarks from the dryer produc

30、tivity and the characteristic, and determines the overall design plan. Second step carries on the mechanism the design, including transmission partial designs and examination, axis shape and size II 东北大学毕业设计（论文） Abstract determination and examination and bearing life computation and so on. Third ste

31、p determined other components the size and the shape, use the CAXA plan detail drawing, the partial assembly drawings and the overall assembly drawing. Keywords: dryer, drum shattered, broken. III 东北大学毕业设计（论文） Abstract 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 设计背景 . - 1 - 1

32、.2 总体方案的确定 . - 3 - 1.2.1打散滚筒干燥机工艺流程图 . - 3 - 1.2.2打散滚筒干燥机的工作原理 . - 4 - 1.2.3总体方案的确定 . - 4 - 1.2.4总体方案的评价 . - 4 - 第二章 机械结构的设计计算 . - 7 - 2.1 设计原始数据 . - 7 - 2.2 滚筒链传动的设计 . - 7 - 2.2.1链传动计算 . - 7 - 2.2.2滚子链的静强度计算 . - 10 - 2.2.3滚子链的耐疲劳工作能力计算 . - 10 - 2.2.4滚子链的耐磨损工作能力计算 .- 11 - 2.2.5滚子链的抗胶合能力计算 .- 11 - 2.2.6大链轮的尺寸计算 . - 12 - 2.2.7小链轮的尺寸计算 . -