卧式离心泵配自吸罐的引水装置的设计要点  

The Design Points of Water Diversion Device for Horizontal Centrifugal Pump With self Suction Tank

作　　者：宋令芹 SONG Lingqin(Yantai Humon Pump Industry CO. ,LTD,Yantai 264100)

机构地区：[1]烟台恒邦泵业有限公司,烟台264100

出　　处：《现代制造技术与装备》2017年第7期8-9,共2页Modern Manufacturing Technology and Equipment

摘　　要：文章介绍了卧式离心泵配带自吸罐代替液下泵使用的原因,针对自吸罐引水装置在运行中存在的问题,从设计选用及装置要点两方面进行阐述,并着重从离心泵的汽蚀余量,波义耳定律等角度进行计算,确定自吸罐的尺寸。The article introduces the reasons of horizontalcentrifugal pump with self suction tank instead of submerged pump.Itis expounds from two aspects of design,selection and installation inview of the problems existing in the operation of the water diversiondevice of the self-priming tank.It focuses on the calculation of thecentrifugal pump’s NPSH and Boyle’s law and determines thedimensions of the self suction tan.

关 键 词：自吸罐 伯努利方程 波义耳定律 汽蚀余量 

分 类 号：TH311[机械工程—机械制造及自动化]