机械5

200Z41W25P阀门设计 [摘要]闸阀的使用在现代化生产中十分重要，其身影在人类的生产生活中随处可见。闸阀的研究能够带动人类经济生产，在各类生产系统中极大的提高经济效益，节约能源。 如何正确设计和选用闸阀是实现闸阀的密封性能、调节性能、实用性能、安全性能和流通性能的关键所在。在本次设计中，主要对阀体、阀板、密封面等进行了了解与设计，通过对介质温度、压力、腐蚀性等因素的考虑，对阀门的通用专用零件进行了计算与设计。最后对阀门的精度要求，制造、验收与装配进行了认识与了解，让阀门整体能够发挥出最完美的效果。 [关键词]闸阀；阀体；密封面 200Z41w25p Valve Desig
n [Abstract] The use of gatevalves isvery importa
nt i
n moder
n productio
n, a
nd its figure is ubiquitous i
n huma
n productio
n a
nd life. The research of gatevalve ca
n promote huma
n eco
nomic productio
n, greatly improve eco
nomic efficie
ncy a
nd save e
nergy i
n all ki
nds of productio
n systems. How to desig
n a
nd select gatevalve correctly is the key to realize the seali
ng performa
nce, adjusti
ng performa
nce, practical e
nergy, safety performa
nce a
nd circulatio
n performa
nce of gatevalve. I
n this desig
n, mai
nly o
n thevalve body,valve plate, de
nse cover a
nd so o
n to u
ndersta
nd a
nd desig
n, through the media temperature, pressure, corrosio
n a
nd other factors, thevalve of the ge
neral special parts are calculated a
nd desig
ned. Fi
nally, the accuracy of thevalve requireme
nts, ma
nufacturi
ng, accepta
nce a
nd assembly of the u
ndersta
ndi
ng a
nd u
ndersta
ndi
ng, so that thevalve as awhole ca
n play the most perfect results [Keywords] Gatevalve；Valve Body；Seali
ng face 目录 1前言……………………………………………………………………………………………………………1 2选题背景……………………………………………………………………………………………………2 2.1研究目的与意义…………………………………………………………………………………………………2 2.2国内外闸阀的差距…………………………………………………………………………………………… 2 3方案论证………………………………………………………………………………………………………4 3.1闸阀的工作原理………………………………………………………………………………………………4 3.2闸阀的结构介绍……………………………………………………………………………………4 4过程论述………………………………………………………………………………………………………5 4.1零部件设计 4.1.1阀体设计……………………………………………………………………………………………………5 4.1.2密封副设计……………………………………………………………………………………………………6 4.1.3闸板设计………………………………………………………………………………………………………9 4.1.4阀杆设计……………………………………………………………………………………………………10 4.1.5中法兰设计…………………………………………………………………………………………………13 4.1.6其余零部件选用………………………………………………………………………………………18 4.2阀门精度要求，制造、验收与装配的技术条件…………………………………………………26 4.2.1阀门精度要求………………………………………………………………………………………26 4.2.2制造、验收与装配的技术条件………………………………………………………………27 5结果分析…………………………………………………………………………………………………………29 设计归纳…………………………………………………………………………………………………29 6总结………………………………………………………………………………………………………………30 参考文献……………………………………………………………………………………………………………31 致谢…………………………………………………………………………………………………………………32