定转子过早磨损premature wear of fixed rotor定转子过早磨损主要是由于定转子的间隙过小引起的。the premature wear of the fixed rotor is mainly caused by the small gap between the fixed rotor&the rotor.油管与抽油杆柱磨损oil pipe&rod string wear油管与抽油杆柱磨损的原因一是因为井斜抽油杆贴在油管壁上引起的，可以通过加抽油杆扶正器使抽油杆柱居中来减轻或消除，另一个原因是定转子不同心及转子的偏心运动造成的，在定子以上加一节内径较大的回转筒即可避免。tubing&---er rod wear reason is because the deviation of ---er rod attached to the tubing wall caused by heating， pumping rod centralizer make the rod ws= to reduce/eliminate，mono， another reason is caused by the eccentric motion of the rotor&the rotor are not concentric， avoid a day the diameter of rotary cylinder in the stator can be larger than.
ｆ、抽油杆f， ---er rod所使用的抽油杆是常用的普通抽油杆、空心抽油杆和连续抽油杆，可根据油井确定。the ---er rod used is commonly used as a common 1---er rod， hollow ---er rod&continuous ---er rod， which can be determined according to the oil well.ｇ、定子扶正器g， stator centralizer定子扶正器为有一定弹性的笼形装罩，每一对由两半构成，中间大、两端小。作用是使定子居中和减小定子的摆动。the stator centralizer is a cage shaped cover with a certain elasticity. each pair is made up of two halves， large in the middle&small at both ends. the function is to make the stator middle&reduce the stator wobble.ｈ、锚定装置h， anchoring device对于没有封隔器的井和泵挂---浅的井，用于固定定子、消除摆动和防止定子脱扣。采用普通的锚定装置即可。for wells without packers&shallow wells with deep pumps， it is used to fix the stator， eliminate the swinging&prevent the tripping of the stator. a common anchoring device can be used.
现将在现场采用同规格的g型单螺杆泵及齿轮泵在完全相同工况条件下并在输送出口压力为1 mpa时进行了简单的对比，测量了这样两组数据:当输送重油粘度约为75×102-6m2/ s时，齿轮泵出口压力表的指针跳动幅度为±0.16，三螺杆泵出口压力表的指针跳动幅度为±0.05，双螺杆泵出口压力表的指针跳动的幅度为±0.04 ;而当输送重油粘度约为150×102-6m2/ s时，齿轮泵出口压力表的指针跳动幅度为±0.22，三螺杆泵出口压力表的指针跳动的幅度为±0.06，双g型单螺杆泵出口压力表的指针跳动的幅度为±0.04。这说明，g型单螺杆泵在重油的输送和喷燃过程中，介质的输送压力很稳定。并且随着介质粘度的加大，g型单螺杆泵(尤其是双螺杆泵)的无脉动特点相比之下更为明显。
mono-武汉螺耐斯由武汉螺耐斯设备有限公司提供。武汉螺耐斯设备有限公司是湖北 武汉 ,化工废水处理设备的企业，多年来，公司贯彻执行科学管理、---发展、诚实守信的方针，满足客户需求。在螺耐斯---携全体员工热情欢迎---垂询洽谈，共创螺耐斯美好的未来。
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