论文部分内容阅读
从采石场开采出来的或经过破碎的石料,是以各种大小不同的颗粒混合在一起的。在筑路工程中,石料在使用前,需要分成粒度相近的几种级别。石料通道筛面的筛孔分级称为筛分。现主要分析了筛分机的类型和筛分作业。
The rock that is mined or crushed from the quarry is mixed with particles of various sizes. In the road construction, the stone before use, need to be divided into several levels of similar granularity. Stone channel sieve sieve grading is called screening. Now the main analysis of the type of screening machine and screening operations.