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  • 食品级单螺杆泵工作原理
  • 本站编辑:杭州仁祥泵业有限公司发布日期:2017-10-11 14:13 浏览次数:
食品级螺杆泵是一种中压单作用定量叶片的泵。食品级螺杆泵体两侧的管螺纹与油管相连,是进油口和出油口。泵体与转子之间由偏心而形成一个新月形空腔。当马达通过胶带轮带动轴旋转时,转子槽中的叶片由于离心力作用,贴紧在转子泵的泵体壁上。叶片开始由新月形空腔的尖端转向中部时,两相邻叶片与泵体隔成的空间逐渐变大,完成吸油过程。越过中点后,转子泵的空间又由大逐渐变小,完成压油过程,压力油从新月形另一尖端处的出口压出。转子泵盖右端装有填料,通过填料压盖和压盖螺母压紧,防止油沿轴渗出,起密封作用。转子泵体内装有衬套,衬套磨损后便于更换。转子泵体背面的两个螺纹孔就是拆除衬套用的。
A food grade screw pump is a medium pressure single acting vane pump. The pipe threads at both sides of the food grade screw pump body are connected with the oil pipe, and the oil inlet and the oil outlet are connected with the oil pipe. A crescent shaped cavity is formed by eccentricity between the pump body and the rotor. When the motor drives the belt shaft rotates in the groove of the rotor blade due to the centrifugal force, close to the wall in the pump rotor pump. When the blade starts to change from the tip of the crescent cavity to the middle part, the space between the two adjacent blades and the pump body becomes larger, and the oil absorption process is completed. After crossing the midpoint, the space of the rotor pump becomes smaller gradually, and the oil pressure is completed. The pressure oil is extruded from the exit at the other end of the meniscus. The right side of the rotor pump cover is provided with packing, and it is tightly pressed by the packing gland and gland nut to prevent the oil from seeping out along the shaft and sealing. A bushing is arranged in the rotor pump, and the bushing is easy to replace after wearing. The two threaded holes on the back of the rotor pump are used for the removal of the bush.

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