Dry Ball Mill

Dry ball millis suitable for all kinds of metal and nonmetal ores, including materials that will react with water, such as cement, marble, and other building stones, or products that require storage and sales in the form of powder. In addition, if the concentrator is located in an arid area and water resources are scarce, dry ball mill can be used for water saving.

Advantages of Dry Ball Mill

Dry ball mill need less water, which greatly saves water consumption compared with wet ball mill.

The material produced by dry ball mill is the finished product.

The efficiency of dry ball mill is higher.

Advantages of Dry Ball Mill

Working Principle of Dry Ball Mill

The dry ball mill is a horizontal cylindrical rotating device, which is driven by outer gear. It is divided into lattice type dry ball mill and multi-bin type dry ball mill. The material enters into the front bin of the mill through the feeding device, and the hollow shaft screw evenly enters into the front bin of the mill. There are stepped lining plates or corrugated lining plates in the bin, which are filled with steel balls of different specifications. The rotation of the cylinder generates centrifugal force to bring the steel balls to a certain height and then fall down, which has a heavy impact and grinding effect on the material. After rough grinding in the front bin, the materials enter the second bin through a single-layer partition board. The bin is inlaid with a flat lining board and steel balls to further grind the materials. The powder is discharged through the discharging grate plate to complete the grinding operation.

Main Structure of Dry Ball Mill

lFeeding screw for feeding raw material.

lThe shell is equipped with a manhole for maintenance and replacement of the inner liner.

lDischarge part for ball mill to discharge qualified products.

lMain bearing.

Transmission part.

Operation and Maintenance of Dry Ball Mill

Before the ball mill is started, check whether the connecting bolts are tightened, including gears, couplings, etc. Check whether the oil tank and reducer have enough quantity; Whether the whole lubricating device and instrument are defective and whether the pipeline is smooth. Finally, check whether there are any sundries around the overflow ball milland classifier. Only if everything is clear can we get the ball mill to work.

Intelligent Grinding Expert System Ball Mill

To realize the intelligent control for ball mill operation, as one of heavy equipment dealers, we provide the intelligent grinding expert system. It will monitor the situation of ball mill working and the finished products status. Lower the labour cost with great efficient.

Technical Parameters of Dry Ball Mill

Specification	Capacity	Rotary Speed	Input Size	Grinding Medium Load	Volume	Motor		Profile Dimensions(L×W×H)	Total Weight	Remarks
m	t/h	r/min	mm	t	M3	Power/kw	Voltage/V	mm	t
φ2.2×6.5	15-16	22	＜20	22	18	320	6000		52
φ2.2×8	30		＜25	45		560	6000		81
φ2.2×13	29-30		＜25	60	43	630	6000
φ2.2×13	24-35		＜25	60	43	630	6000		113
φ2.2×13	40		＜25	65	50	800	6000		145
φ3×9	36-42		＜25	70-80		1000	6000
φ3×11	60-65		＜15	90-100	69	1250	6000		180
φ3.2×7+1.8	48-63	18	＜20	55-58		1000	6000
φ3.4×7+1.8	54		＜20	65		1000	6000	(22.057+a)×5.12×4.23		a is the length of the motor
φ3.4×7.5+1.8	~60		＜20	70		1250	6000		214-217.5
φ3.5×10	75		＜20	80		1250	6000		270
φ3.5×9	90-95		＜15	130	94	2000	6000
φ3.8×8.5+3.5	~90		＜20	100		1600	6000
φ4.8×8.5+3.5	150	15	＜20	150		2800
φ4.6×10+3.5	190	15	＜25	190	157	3550			352
φ4.6×9.5+3.5	185		＜25	175-180	148	3550	6000		293
φ4.6×14	185-220	15		210	185	4200			310

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