粮油杂志 关键词 面粉；气力压运；阻力；漏风量 [gap=540]KEYWORDS flour； positive pneumatic conveying； pressure loss；air leakage quantity
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When working face has mechanized support, air leakage quantity is small, velocity is low in goaf, and spontaneous combustion zone is more approach to working face.
有综采支架时，工作面向采空区的漏风量过小，致使采空区的速度很小，自燃带靠近工作面。
The measurement of air leakage quantity and the method of leakage detection during operation are stated and the Halogen detection meters adopted as a method of detection are recommended as well.
同时阐述了在实际运行中凝汽系统漏气量的测量和检漏方法，推荐出应用卤素检漏仪进行检测的先透检漏方法。
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