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Working principle of grinding mill:

The grinding millis a horizontal rotating device transmitted by the outer gear. The materials are transferred to the grinding chamber through the quill shaft uniformly. There are ladder liner and ripple liner and different specifications of steel balls in the chamber. The centrifugal force caused by rotation of barrel brings the steel balls to a certain height and impact and grind the materials. The ground materials are discharged through the discharging board thus the grinding process is finished.

Application of ball grinding mill:

Grinding mill are generally used to grind material 1/4 inch and finer, down to the particle size of 20 to 75 microns. To achieve a reasonable efficiency with ball mills, they must be operated in a closed system, with oversize material continuously being recirculated back into the mill to be reduced. Various classifiers, such as screens, spiral classifiers, cyclones and air classifiers are used for classifying the discharge from ball mills. Ball mill is an efficient tool for grinding many materials into fine powder. The ball mill is used to grind many kinds of mine and other materials, or to select the mine. It is widely used in building material, chemical industry, etc. There are two ways of grinding: the dry process and the wet process. It can be divided into tabular type and flowing type according to different forms of discharging material.

Main Technical Parameters:

Type	Rotational speed(r/min)	Balls weight(t)	Material-in size(mm)	Material-out size(mm)	Yield(t/h)	Motor Power(kw)	weight(t)
φ900*1800	42	1.4	<20	0.075-0.89	0.65-2	18.5	3.6
φ900*2100	41	1.7	<15	0.075-0.83	0.7-3.5	15	3.9
φ900*3000	41	2.5	<20	0.075-0.89	1.1-3.5	22	4.5
φ1200*2400	36	3.5	<25	0.075-0.6	1.5-4.7	30	11.5
φ1200*2800	36	4.5	<25	0.075-0.6	1.5-5	37	13
φ1200*4500	32	5.5	<25	0.074-0.4	1.6-58	55	13.8
φ1500*3000	31	86.8	<25	0.074-0.4	2-7	75	17
φ1500*3500	31	7.75-6.4	<25	0.075-0.4	3-8.5	75	17.5
φ1500*4500	27	10.5	<25	0.074-0.4	3.5-8	110	21
φ1500*5700	27	15	<25	0.074-0.4	3.5-10	130	24.7
φ1830*3000	26	18	<25	0.074-0.4	4-12	160	28
φ1800*3600	26	10.6-11.35	<25	0.075-0.4	5-13	160	33.5
φ1830*4500	26.5	12	<25	0.075-0.6	5.5-20	185	35
φ1830*7000	26	25	<25	0.074-0.4	6.5-22	210	36
φ2100*3600	24	14-15.2	<25	0.075-0.4	15-30	185	46.8
φ2200*5500	21	3.	<25	0.074-0.4	10-20	245	48.5
φ2200*6500	21	31	<25	0.074-0.4	14-50	380	52.8
φ2200*7500	21	33	<25	0.074-0.4	16-50	380	56
φ2400*3000	20.6	15.5-16.6	<25	0.075-0.4	15-55	245	59