Experimental and simulated studies were conducted on the particle classification performance of four types of cyclone separators and the conclusions below were obtained:
1.
Separation efficiency of types A and B (Iinoya's type) cyclones, shown in Fig. 2, are nearly equal; however, pressure drop of the Iinoya's type cyclone is about 10% smaller than that of the type A cyclone.
2.
From the numerical simulation, particles are deposited mainly on the lower the conical wall of the type A and Iinoya's type cyclones and experimental results qualitatively agree with the calculated results.
3.
The experimental results of the partial separation efficiency for the type A and Iinoya's type cyclones agree with the calculated results.
4.
In order to realize ideal particle classification, the type C cyclone, indicated in Fig. 3, shows better performance compared to the type D cyclone.