摘要
下粮坑除尘是对飞溅性粉尘的控制，根据其卸粮方式和操作方法的不同，所设计的除尘装置也不同。在实际应用中，由于设计和操作不当，致使除尘效果不佳的情况普遍存在，本文对此作了分析并提出了改进措施。
Removing the dust in a grain sump is the control of splashydust. In the light of the difference of grain unloading patterns, the removal instruments designed are different. In practical utilization, the poor effect of dust removal because of the improper design and operation exists universally and proposed improving schemes.
