Stone Grinding Mill Machine

Ball mill grinding machine for rock ore powder making

The ball mill is the key equipment for grinding the material to powder after it is crushed. It is suitable for grinding various ores and other materials, is widely used in mineral processing, building materials, chemical industry and other industries. It uses the steel balls as the grinding medium, and achieves fine grinding of the materials through mutual impact and grinding between the steel ball and materials. According to different grinding methods, it can be divided into two types: dry and wet. And according to different discharge methods, it can be divided into two types: grate type and over fall type.

product details

Work Principle

The ball mill grind machine is composed of feeding part, discharging part, rotating part, transmission part (reducer, small transmission gear, motor, electric control) and other main parts. The motor drive the speed reducer, the speed reducer drive the small gear, the small gear drive the big gear, the big gear drive the rotary body moving. The material enters from the feeding mouth, and ground into powder by the impact of steel balls and ore and self-grinding. There is a grate at the discharging mouth (at the big gear) for filtering. Due to continuous feeding materials, the pressure pushes the material to the discharging mouth, the small particles go out from the grate to the discharging mouth, and the big particles continue to grind. The ore pulp surface in the cylinder is low, which reduces the over-grinding of ore and prevents the steel balls from falling out. Under the same production conditions, the production capacity of the grid mill is greater than that of the overflow mill. Rolling bearings are used at both ends of the cylinder instead of sliding bearings, which is more energy-efficient.

Specifications

Type	Rotational speed（r/min）	Balls weight(t)	Feeding size (mm)	Output size (mm)	Capacity (t/h)	Motor power (kw)	Weight (t)
Ф900×1200	36	1.0	≤20	0.074-0.4	0.5-1.5	18.5	4
Ф900×1800	36	1.5	≤20	0.074-0.4	0.5-1.5	18.5	4.5
Ф900×3000	36	2.6	≤20	0.074-0.4	1.5-4.8	22	6
Ф1200×2400	31	3.5	≤25	0.074-0.4	1.6-5	37	9.5
Ф1200×4500	31	6.5	≤25	0.074-0.4	1.6-5.8	45	13.1
Ф1500×3000	27	6.8	≤25	0.074-0.4	2-6.3	75	16
Ф1500×4500	27	10	≤25	0.074-0.4	3-9	110	19
Ф1500×5700	27	13	≤25	0.074-0.4	3.6-11	130	24
Ф1830×3000	25	10	≤25	0.074-0.4	4-11	130	25
Ф1830×3600	25	12	≤25	0.074-0.4	4.3-12	155	32
Ф1830×4500	25	15	≤25	0.074-0.4	4.5-16	155	33.7
Ф1830×6400	25	21	≤25	0.074-0.4	6-17	210	38
Ф1830×7000	25	23	≤25	0.074-0.4	6.5-18	210	43
Ф2100×3000	23	13	≤25	0.074-0.4	5-15	180	32
Ф2100×3600	23	16	≤25	0.074-0.4	6-17	210	35.8
Ф2100×4500	23	20	≤25	0.074-0.4	7-21	245	42.6
Ф2100×7000	23	31	≤25	0.074-0.4	8-25	280	55

Advantages

Wide range of applicable materials: The ball mills can process more than 100 different mineral raw materials. It can be operated dry or wet, and can also be dried and ground at the same time. While grinding, the materials are mixed, stirred, and homogenized (separate grinding technology, "blending" cement).

Large crushing ratio: Compared with other grinding equipment, the ball mill has a higher crushing ratio and can grind materials to finer particle sizes.

Strong production capacity: By adjusting the discharge mouth, the ball mill can grind materials with different fineness requirements to meet different production needs.

Easy maintenance: The ball mill is made of wear-resistant materials and has a long service life. At the same time, its maintenance process is relatively simple, which saves a lot of time and cost for the enterprise.

Energy saving and environmental protection: Equipped with advanced dust removal and noise reduction equipment, the ball mill reduces environmental pollution while also improving production efficiency.