寒冷季节罗茨风机如何安装使用：
How to install and use Roots blower in cold season:
1、连接风机进口端管路时，请一定要将风机进口法兰盖住，以免异物比如焊渣进入风机，连接管路前请清理干净进、出口管路内的异物。
1. When connecting the inlet pipe of the fan, be sure to cover the inlet flange of the fan to prevent foreign matters such as welding slag from entering the fan. Before connecting the pipe, clean up the foreign matters in the inlet and outlet pipes.
2、检查机械、仪表安装情况，查看有无松动，对于直联罗茨风机检查联轴器、柱销、螺母有无松动;对于带联风机检查皮带的松紧度是否合适，有冷却水的检查冷却水阀门开关是否好用，水路是否通畅。
2. Check the installation of machinery and instruments to see if they are loose, and check the coupling, pin and nut of the direct roots blower to see if they are loose; Check whether the belt tightness of the fan is appropriate, whether the cooling water valve switch is easy to use and whether the water path is smooth if there is cooling water.
3、检查风机油箱油标油位线的高度，是否在油标红点中间位置。机油选择粘稠度低的机油。
3. Check the height of the oil level line of the oil pointer of the fan oil tank and whether it is in the middle of the red point of the oil pointer. Select the oil with low viscosity.
4、开机前先用手按箭头方向盘动风机少两周，检查是否有异常，点动风机看其旋转方向是否异常。
4. Before starting the machine, turn the fan at least two weeks according to the arrow direction by hand to check whether there is any abnormality, and jog the fan to see whether its rotation direction is abnormal.
5、开机前打开管道上的阀门以及放空阀门，有冷却水的打开冷却水阀门。
5. Open the valve and vent valve on the pipe before starting, and open the cooling water valve if there is cooling water.
6、正常停车时，先泄压减载，然后无负荷启动罗茨风机，关闭冷却水。
6. During normal shutdown, first relieve pressure and load, then start Roots blower without load and turn off cooling water.
7、需要冷却水的风机，在冬季停机后需要放掉冷却水，以免结冰损坏鼓风机。
7. For fans requiring cooling water, the cooling water shall be discharged after shutdown in winter to avoid freezing and damaging the blower.
The above is a detailed introduction of Shandong Roots blower, and I hope it will be helpful to you. If you have any questions, please contact us. We will provide you with professional service http://www.sddyfd.com/
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