Revision of the AMB-Supported Coolant Pump after the Long-Term Operation in the Power Plant
Within a research project the conventional bearing system of a cooling water booster pump was substituted with active magnetic bearings (AMBs). This AMB-supported pump was installed and tested in the inter-cooling circuit of a 500 MW block-unit in a lignite power station as a demonstration plant. The aim was to proof the suitability of magnetic bearings for using on turbo machines under operation conditions in a power station 1. After the phase of commissioning the pump was used in a long term operation as the main operation pump 2. The pump was subjected to a revision after an approx. three and a half year running time. Thereby the condition of the pump, especially of the bearing components was checked. The disassembling of the pump was covered by some difficulties, caused by corrosion of mechanical parts. In addition with detected damages on single components, countermeasures for prevention had to be derived. Furthermore design criterions, applicable materials and requirements e. g. for the shaft seals can be concluded. This report gives an insight into the increase of experience and knowledge collected during the revision of the AMB-supported coolant pump.
Active Magnetic Bearing Touch Down Bearing Coolant Pump Long-Term Operation Power Plant Corrosion Wear
Torsten Rottenbach Frank Worlitz
HOCHSCHULE ZITTAU/GOERLITZ-University of Applied Sciences, Institute of Process Technology, Process HOCHSCHULE ZITTAU/GOERLITZ-University of Applied Sciences,Institute of Process Technology, Process A
国际会议
The Twelfth International Symposium on Magnetic Bearings(第十二届国际磁悬浮轴承学术会议)
武汉
英文
718-724
2010-08-22（万方平台首次上网日期，不代表论文的发表时间）