Industrial versus Laboratory Clinker Processing Using Grinding Aids (Scale Effect)

Table 2

Design parameters for the tube ball mill and separator.

Tube ball mill	Compartment		Rotor separator
	1	2
Internal diameter, m	3.6	3.7	Rotor diameter, m	2
Internal length, m	3.6	8.4	Rotor height, m	1.06
Filling degree, %	29.5	34	Motor power, kW	110
Charge weight, ton	43	138	Rotor speed, rpm	260
Ball size, mm	20 to 50	15 to 20	Fan power, kW	280
Mill motor power, kW	3200		Air flow, m^3/min	1500
Mill speed, rpm	17
Fan motor power, kW	150
Production rate, ton/hr	90 (design value)