The shutdown mode of the centrifugal fan is divided into two types. One is that the centrifugal fan will have some abnormal phenomena during the operation. Then we should stop the emergency. There is also a phenomenon that when our work is done, We have to stop the centrifugal fan, then it is called a normal shutdown.
Emergency stop: In the process of commissioning the unit, if one of the following conditions is encountered, it should be immediately emergency stop. The operation of the emergency stop is to press the main motor stop button, and then perform the after-treatment after the stop.
a. The centrifugal fan suddenly has a strong vibration and has exceeded the trip value.
b. There will be scratches or abnormal friction sounds inside the body.
c. Smoke occurs in any bearing or seal, or the temperature of a certain bearing rises sharply to the alarm value.
d. When the oil pressure is lower than the alarm value and cannot be restored to normal.
e, the fuel tank has a low liquid level and has been sucked.
f, the axis displacement value will show a significant continuous increase, and when the alarm value is reached.