Analysis for the Cause of Indoor Flying Dust and Its Control Method in an Office Building

For the plenty of dandruff-like dust blown out from the air conditioning system in many rooms in an office high-rise building in winter, this paper presents the outline of solving problem, and investigations on the design and installation of the system, and analyses the physico-chemical properties of the dust, and reveals the mechanism of indoor flying dust cause, finally puts forward its control methods based on the existing air conditioning system and achieves desirable results.