螺杆泵原原理精选文档.ppt
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1、螺杆泵原原理本讲稿第一页,共十九页第二节第二节 螺杆泵螺杆泵 screw pump一、螺杆泵的结构和工作原理一、螺杆泵的结构和工作原理3.工作原理1)单螺杆泵(非密封式)1 1、排出口、排出口 2 2、转子、转子 3 3、定子、定子 4 4、联轴节、联轴节 5 5、吸入口、吸入口 6 6、连轴杆、连轴杆 7 7、清洗窗、清洗窗 8 8、轴密封、轴密封 9 9、轴承、轴承 10 10、传动、传动轴轴 11 11、排水孔、排水孔本讲稿第二页,共十九页第二节第二节 螺杆泵螺杆泵 screw pump一、螺杆泵的结构和工作原理一、螺杆泵的结构和工作原理3.工作原理1)单螺杆泵(非密封式)本讲稿第三页,
2、共十九页单螺杆泵工作原理单螺杆泵工作原理本讲稿第四页,共十九页单螺杆泵工作原理单螺杆泵工作原理本讲稿第五页,共十九页螺杆泵工作原理螺杆泵工作原理本讲稿第六页,共十九页This pump is at least 2,000 years old.This pump is at least 2,000 years old.The Archimedes Screw(also called an Archimedes Snail)was used for The Archimedes Screw(also called an Archimedes Snail)was used for irrigatio
3、n and powered by horses,people,mules,etc.This pump is even used irrigation and powered by horses,people,mules,etc.This pump is even used today,although rarely!today,although rarely!The helix revolves inside a tube(only the bottom of the tube is shown)and the water rises The helix revolves inside a t
4、ube(only the bottom of the tube is shown)and the water rises accordingly.accordingly.Whether or not it was actually invented by Archimedes is certainly debatable,though his overall Whether or not it was actually invented by Archimedes is certainly debatable,though his overall brilliance is not.brill
5、iance is not.本讲稿第七页,共十九页第二节第二节 螺杆泵螺杆泵 screw pump一、螺杆泵的结构和工作原理一、螺杆泵的结构和工作原理3.工作原理2)双螺杆泵(非密封式)本讲稿第八页,共十九页3.工作原理3)三螺杆泵(密封式)第二节第二节 螺杆泵螺杆泵 screw pump一、螺杆泵的结构和工作原理一、螺杆泵的结构和工作原理本讲稿第九页,共十九页第二节第二节 螺杆泵螺杆泵 screw pump一、螺杆泵的结构和工作原理一、螺杆泵的结构和工作原理3.工作原理3)三螺杆泵(密封式)凹螺杆根园、节园直径与凸螺杆顶园直径三者间之比1:3:5泵套(螺杆)的最小长度为(1.21.5)t本讲稿
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