Design Mixers to Minimize Effects of Erosion and Corrosion Erosion

Table 2

Possible process design selections for example.

Impellerdiameter, m	Impellerdia./tank dia.	Impellerspeed, rpm	Impellerpower, kW	Impellertorque, kNm	Impellertip speed, m/min	Relativewear life*	Approx. relative cap. cost
0.889	0.243	159	3.49	0.210	444	1.00	1.00
1.016	0.278	123	2.94	0.228	392	1.54	1.06
1.143	0.313	102	3.15	0.294	366	1.96	1.25
1.220	0.347	92	3.59	0.372	367	1.95	1.45
1.397	0.382	84	4.05	0.460	369	1.92	1.67
1.524	0.417	75	4.61	0.587	359	2.10	1.95
1.651	0.451	70	5.23	0.713	363	2.02	2.22
1.778	0.486	67	6.32	0.972	374	1.82	2.71
1.905	0.521	65	9.16	1.345	389	1.59	3.35

*Relative wear based on assumed velocity exponent of 3.5.