Based on the principle of magnetic coupling driving, a new type magnetic driving seal agitator was developed because of the problems of unresolved dynamic seal problem in the agitating process.

针对搅拌过程中一直存在的难以解决的动态密封问题，基于磁超距耦合传动原理，在浓相煤粉气力输送中开发了一种新型的磁传动密封搅拌装置。

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A numerical method is put forward, which can be used for analyzing the fluid-solid coupling function of gas flow-induced vibrations in a three-dimensional rotor seal system.

提出了分析三维转子密封系统气流激振流固耦合作用的数值计算方法。

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It directly affects the smooth and stability. particularly crucial of all, is the selection of materials for flow, seal form and shaft coupling.

它直接影响流程的顺畅与稳定，其中泵类过流材料、密封形式、联轴器的选择尤为关键。

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