PET装置中离心泵的性能及常见故障处理

来源 :聚酯工业 | 被引量 : 0次 | 上传用户:freebird_china
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
简述了离心泵的工作原理和结构,介绍了离心泵的性能参数如:扬程、流量、有效功率、流量调节等.详述了离心泵在PET生产中使用时的常见故障及处理.
其他文献
阐述了台前县发展苗木花卉产业的意义及优势,分析了苗木花卉产业发展的现状及存在的问题,并提出了发展苗木花卉产业的相关对策,以供参考.
A quaternary alloy (Al-5.0Cu-0.35Mn-0.25Ti, wt.%), having a similar chemical component with ZL205A, was prepared using a controlled diffusion solidification (CD
The grain refi nement limits of commercial pure Al inoculated by Al-5Ti-1B, Al-5Ti-0.25C and Al-5Ti-0.3C-0.2B master alloys were studied, and the infl uence of
The purpose of this study is to prepare a high-quality Al-11Si-1.5Cu-0.3Mg casting al oy with a good combination of strength and ductility. The microstructures
In the present research, the orthogonal experiment was carried out to investigate the influence of different austempering process parameters (i.e. austenitizing
The mechanism of stray grain formation at the platform of turbine blade simulator and the effect of withdrawal rate (V) on the stray grain phenomenon have been
A travelling magnetic field, a power ultrasonic field, and a compound field were used separately during the horizontal continuous casting process of Al-1wt.%Si
Soldering is a unique casting defect associated with die casting or metal mold casting of aluminum alloys. It occurs when molten aluminum sticks or solders the
The microstructures and crystal growth directions of permanent mould casting and directionally solidified Al-Mg alloys with different Mg contents have been inve
The preparation and solidification of metallic droplets attract more and more attention for their signifi cance in both engineering and scientifi c fi elds. In