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美国犹他大学开发了以图像为基础的在线粒度分析仪 ( OPSA)系统 ,用于在现场条件下测定移动皮带输送机输送重叠的和分开的颗粒。已在几个现场完成了对 OPSA系统的评价。结果表明 ,由 OPSA系统获得的粒度分布与皮带样品实验室筛析获得的粒度分布相当一致。这些结果以及现场试验
The University of Utah has developed an image-based on-line particle size analyzer (OPSA) system for measuring moving belt conveyors delivering overlapping and separate particles under field conditions. The OPSA system has been evaluated at several sites. The results show that the particle size distribution obtained by the OPSA system is in good agreement with the particle size distribution obtained by belt sample laboratory sieve analysis. These results as well as field trials