介绍了微波在线烟气含碳量测定技术，而飞灰取样器是在线测碳系统的一个重要环节。
An introduction to the on-line microwave measuring technique of carbon content in fly-ash is being presented, pointing out that the fly-ash sampler is an important link of the monitoring system.
通过理论分析，探付了系统压力、风量、充气方式、隔板孔口面积，以及飞灰特性等因素对回料装置工作性能的影响，得出了一些有益的结论。
The article discusses some factors which influence the performance of the non-mechanical valve, such as system pressure, air flow-rate, air charging mode and characteristics of ash et al.
烟气中的飞灰既在液相膜表面结壳，阻碍石灰石的溶解，又影响脱硫系统含尘量排放指标，降低石膏品质。
Fly ash in flue gas not only crusts on the surface, stopping the dissolving of limestone, but also affects the dust discharge index, reducing the quality of gypsum.
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