Ball mill is the key machine used after the material is crushed, which is widely used in cement, silicate products, new building materials, refractory materials, fertilizer, black and non-ferrous metal processing and glass ceramics production industry, and which can be applied to grinding process with dry or wet type. Ball mill can be used in grinding all kinds of mineral rocks and the other material in some industries of ore dressing, building material and the chemical industry, which can be divided into two types, one is dry type and the other is wet type. Ball mills can be classified into lattice-type and overflow type according to the discharging types of raw material.

The Main Structure of Grinding Mills:

1. Main bearings with a large-diameter stick double row self-aligning bearings, replace the plain bearings to reduce friction, reduce energy consumption, the mill is easy to start.

2. Retain the ordinary mill end cap structure, large-caliber material inlet and outlet, large capacity.

3. Feeder is divided into combined feeder and the drum-shaped feeder two, simple structure, split installation.

4. Inertial impaction equipment running smoothly, and reduce the mill downtime parking maintenance time, improve efficiency.

The ball grinder is made up of horizontal cylinder, hollow shaft and the head parts, and the barrel length cylinder is equipped with a grinding body which is manufactured with steel plate. Grinding body can be used to steel segment, which is installed in the cylinder grinding bogy according to the different diameter and a certain percentage of loaded barrel. The material is transferred into cylinder body from discharging hollow shaft according to the granularity of the abrasive material, and when the ball mill rotates, the cylinder grinding body will force to stir on the both impact of friction force and centrifugal force, and the raw material near the cylinder liner will be taken away by the cylinder due to its gravity, which will be crushed like a projective material.

Material is fed to the first warehouse from the feeding device into the compound empty axis spiral, which has the ladder liner and corrugated liner with multiple size steel balls, which is fell down under one centrifugal force after they are brought into one height in order to produce the impact and grinding impact on the material. The crushed material reaching the purpose of coarse crushing will be entered into the second warehouse from monolayer partition panel which has the flat lining with ball mills in order to realize the second crushing and grinding in it. And the last is that the powder discharged through the discharging grate plate, and then the grinding operation is finished.

Model	Shell rotation speed(r/min)	Ball load(t)	Feeding size(mm)	Discharging size(mm)	Capacity	Motor power (kw)	Total weight(t)
?900*1800	36–38	1.5	<=20	0.075-0.89	0.65-2	18.5	5.5
?900*3000	36	2.7	<=20	0.075-0.89	1.1-3.5	22	6.7
?1200*2400	36	3	<=25	0.075-0.6	1.5-4.8	30	12
?1200*3000	36	3.5	<=25	0.074-0.4	1.6-5	37	12.8
?1200*4500	32.4	5	<=25	0.074-0.4	1.6-5.8	55	13.8
?1500*3000	29.7	7.5	<=25	0.074-0.4	2-5	75	16.8
?1500*4500	27	11	<=25	0.074-0.4	3-6	110	21
?1500*5700	28	12	<=25	0.074-0.4	3.5-6	130	25.8
?1830*3000	25.4	11	<=25	0.074-0.4	4-10	130	29
?1830*4500	25.4	15	<=25	0.074-0.4	4.5-12	155	35.5
?1830*6400	24.1	21	<=25	0.074-0.4	6.5-15	210	43
?1830*7000	24.1	23	<=25	0.074-0.4	7.5-17	245	43.8
?2100*3000	23.7	15	<=25	0.074-0.4	6.5-36	155	34.8
?2100*4500	23.7	24	<=25	0.074-0.4	8-43	245	38
?2100*7000	23.7	26	<=25	0.074-0.4	8-48	280	56.6
?2200*4500	21.5	27	<=25	0.074-0.4	9-45	280	51.8
?2200*6500	21.7	35	<=25	0.074-0.4	14-26	380	60
?2200*7000	21.7	35	<=25	0.074-0.4	15-28	380	62
?2200*7500	21.7	35	<=25	0.074-0.4	15-30	380	64.8
?2400*3000	21	23	<=25	0.074-0.4	7-50	245	54
?2400*4500	21	30	<=25	0.074-0.4	8.5-60	320	65
?2700*4000	20.7	40	<=25	0.074-0.4	12-80	380	94
?2700*4500	20.7	48	<=25	0.074-0.4	12-90	480	102
?3200*4500	18	65	<=25	0.074-0.4	—–	800	137
?3600*4500	17	90	<=25	0.074-0.4	—–	850	158
?3600*6000	17	110	<=25	0.074-0.4	—–	1250	175
?3600*8500	18	131	<=25	0.074-0.4	45.8-256	1800	252
?4000*5000	16.9	121	<=25	0.074-0.4	45-208	1500	203
?4000*6000	16.9	146	<=25	0.074-0.4	65-248	1600	213
?4000*6700	16.9	149	<=25	0.074-0.4	45-252	1800	238
?4500*6400	15.6	142	<=25	0.074-0.4	54-306	2000	280
?5030*6400	14.4	216	<=25	0.074-0.4	68-386	2500	320
?5030*8300	14.4	266	<=25	0.074-0.4	88-500	3300	403
?5500*8500	13.8	338	<=25	0.074-0.4	108-615	4500	525