Preparation of fuel and transport system for coal fired pressurized fluidized bed always needs pneumaticmethod for feeding the fuel into the pressurized tank and then to the furnance.
燃煤增压流化床的燃料制备与输送系统往往需采用气力输送方法送入加压罐后再送入炉内，系统复杂。
2
After introducing the operating principle and structure design of the strip shape measuring roll based on Pneumatic bearing, the design and calculating method of the orifice are analyzed.
本文在介绍空气轴承式板形检测辊的工作原理、结构设计的基础上，分析了节流孔的设计和计算方法。
3
And the designing method has universal significance for optimal design of pneumatic system.