Increases in the inlet flow rate or the particle concentration both increase the filter pressure drop.

此外，随来流流量和颗粒浓度的增加，过滤压降增加。

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Then, the test equipment and experiment is introduced. Through experiment, we get the relation between velocity and filter pressure drop.

介绍了试验设备及测试方法，通过试验得出过滤风速和压力损失变化关系。

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The results show that the system pressure drop is mainly determined by the granular filter pressure drop, and optimizing the granular filter is the main orientation of the system optimization.

研究表明，流化床颗粒层过滤器的系统阻力主要决定于过滤元件的阻力，优化过滤元件应该是系统优化的主要方向；

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