What color is the dust you are talking about and how much is it? Certain environmental factors and unit type all influence conditions. Here are some references for you:
1. Fog caused by the temperature difference between the inside and outside of the generator
2. Aeolian sand deposited within the unit will then follow; the unit is in operation. Caused by airflow movement within the unit;
3. If it is a water-cooled unit, the dust coming out of the air outlet may be caused by the temperature difference;
4. A short circuit occurs in the internal equipment of the unit. Lines are burned and smoke is vented during unit operation.
5. the atomization phenomenon occurs when the generator coating of the new unit heats up;
. .
The information you provided is too little. It depends if sheThey are grouped or unique. You can follow the information and I'll see if I can give you some suggestions.