1、轴承箱剧烈震动；

1, the bearing box is violently vibrate;

①旋涡气泵轴与电机轴不同心，联轴器装歪

(1) the axis of the vortex pump is different from the motor shaft, and the coupling is distorted.

②机壳或进风口与叶轮摩擦

Friction between the casing or the inlet of the air inlet and the impeller

③基础的钢度不牢固

The steel degree of the foundation is not firm

④叶轮铆钉松动或叶轮变形

(4) the loosening of the rivet of the impeller or the deformation of the impeller

⑤叶轮轴盘与轴松动，或联轴器螺栓松动

Impeller shaft disc and shaft loosening, or coupling bolt loosening

⑥机壳与支架、轴承箱与支架、轴承箱盖于座等联接螺栓松动

The casing and the bracket bearing and bearing box bearing box cover on the seat connecting bolt looseness

⑦旋涡气泵进出气管道安装不良

The improper installation of gas pipeline and import of vortex pump

⑧转子不平衡，引风机叶片磨损

The unbalanced rotor fan blade wear

2、轴承温升过高；

2. The temperature rise of the bearing is too high.

①轴承箱剧烈震动

Strenuous vibration of the bearing box

②润滑油脂质量不亮、变质、含有过多灰尘、粘沙、污垢等杂质

The quality of lubricating oil is not bright, deteriorated, and contains too much dust, sticky sand, dirt and other impurities

③轴承箱盖、座连接螺栓紧力过大或过小

The tight force of the bolt of the bearing box cover and seat is too large or too small

④轴与滚动轴承安装歪斜，前后两轴承不同心

The shaft and rolling bearing are skewed, and the two bearings are not concentric.

⑤滚动轴承损坏

Rolling bearing damage

3、电极电流过大或温升过高；

3, the electrode current is too large or the temperature rise is too high.

①开车时进气管道闸门或节流阀未关严

(1) the intake pipe gate or throttle valve is not closed when driving

②流量超过规定值

(2) flow exceeds the specified value

③旋涡气泵输送气体的密度过大或有粘性物质

The density of the gas is too large or has a sticky substance.

④电机输入电压过低或电源单相断电

4) low input voltage of motor or single phase power failure of power supply

⑤联轴器连接不正，皮圈过紧或间隙不匀

(5) the coupling of the coupling is not correct, the skin ring is too tight or the gap is uneven

⑥受轴承箱剧烈震动的影响

The influence by the violent vibration of bearing box