Before starting the pneumatic conveying equipment, it is necessary to inspect the equipment first, including whether the gear oil is full, whether all components are intact, the forward and reverse rotation of the Roots blower and rotary supply, and whether the water pipeline is smooth, etc.

启动时，应先打开罗茨风机，然后观察鼓风机出口压力计的压力，在管道通畅的情况下，压力应当基本为零。然后打开一个旋转供应器，再慢慢打开上面的手动板阀，板阀打开后，材料陷入旋转供应器，进入输水管道后，压力计会发生波动。根据材料的流动性和压力计的显示，可以通过调整手动阀门的敞开程度来调整下料量。随时观察压力计的变化。

When starting, the Roots blower should be turned on first, and then the pressure gauge at the outlet of the blower should be observed. With the pipeline unobstructed, the pressure should be basically zero. Then open a rotary supply device, and slowly open the manual plate valve above. After the plate valve opens, the material falls into the rotary supply device, and when it enters the water pipeline, the pressure gauge will fluctuate. According to the fluidity of the material and the display of the pressure gauge, the cutting amount can be adjusted by adjusting the opening degree of the manual valve. Observe the changes in the pressure gauge at any time.

两台气力输送系统的运输线在一台旋转供给机材料输送完成后，关闭一台旋转供给机，1-2分钟后从管道输送材料，然后打开二台旋转供给机依次运行。

After the material transportation of two pneumatic conveying systems is completed by one rotary feeder, one rotary feeder is turned off, and after 1-2 minutes, the material is transported through the pipeline. Then, the two rotary feeders are turned on and run in sequence.

关闭设备的时候需要先关闭手动板阀（设备暂时停止的话不必关闭手动板阀），然后关闭旋转供给器，观察风扇出口处的压力计，直到压力下降到攻关压力（约1分钟间隔）。

When shutting down the equipment, it is necessary to first close the manual plate valve (if the equipment is temporarily stopped, there is no need to close the manual plate valve), then turn off the rotary feeder and observe the pressure gauge at the fan outlet until the pressure drops to the breakthrough pressure (approximately 1 minute interval).

设备若是要停止3-4个小时及以上，就需要关闭手动板阀，若是要停止1-2天及以上，需要在除尘结束后关闭手动板阀。

If the equipment needs to stop for 3-4 hours or more, the manual plate valve needs to be closed. If it needs to stop for 1-2 days or more, the manual plate valve needs to be closed after the dust removal is completed.

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