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Test method and Dimension requirement of centrifugal Fan

Sep 10, 2018

Welding requirements for integral support of centrifugal Fan Zhou Zheng, diagonal size, length and width of the whole machine are the same, and each plane guarantees no distortion, such as distortion, deformation, etc. The centrifugal fan checks the dimensions of each component. In this way, the rectangular tube section can not be inclined, uneven and so on, and the solution depth of centrifugal fan welding can be guaranteed.


Debugging method of centrifugal Fan

1. The centrifugal fan is allowed to start at full voltage or be driven down by voltage, but it should be noted that the current is about 5-7 times the rated current at full voltage starting, and the starting torque is proportional to the square of voltage. When the power grid capacity is insufficient, it should be started by reducing voltage.

2. When the centrifugal fan is in test run, it is necessary to read the specification of the product carefully, to effectively check whether the wiring method is in accordance with the wiring diagram, and to carefully check whether the working voltage of the power supply to the fan meets the requirements. Whether the power is phase-missing or in-phase, and whether the capacity of the components meets the requirements.

3. During the test run, the number of centrifugal fans is not less than two. Some people control the power supply. One person observes the operation of the fan, finds the abnormal phenomenon and immediately stops to check. First of all, it checks whether the rotation direction is correct or not, and after the fan starts to operate, Check immediately whether the current in each phase is balanced, whether the current exceeds the rated current; if there is any abnormal phenomenon, stop checking. After five minutes of operation, stop to check if the fan is abnormal and confirm that there is no abnormal phenomenon before starting the machine.http://www.jnblower.com/