Seal air is injected into the labyrinth seals located at the main motor shaft (top and bottom) and at the pinion shaft driving the motor.
密封空气被注入到主马达轴（顶部和下部）和驱动马达的齿轮轴的迷宫式密封里。
This review gives working mechanism of disc reactor shaft seal and points out the major factors that could improve air-tight seal effect. Besides it introduces some improvements on shaft seal.
叙述了圆盘反应器轴封的工作原理，指出了影响轴封密封效果的主要因素并介绍轴封的改进措施。
A motor shaft gap used for a sealing plate for a seal air channel is left between the belt pulley and the end cover of the motor shell.
在皮带轮同电机机壳端盖之间保留供密封风道用的密封板穿过的电机轴空隙位。
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