Dry Grinding Ball Mill-Baichy Machinery

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A dry ball mill is a versatile, high-efficiency grinding equipment designed to process dry materials (moisture content ≤5%) into fine powder—critical for industries like mining, cement, chemicals, and building materials.

≤25mmFeed Size
18.5-800KWMotor Power
0.65–90 t/hProcessing capacity

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What Is Dry Ball Mill?

A dry ball mill uses mechanical impact and grinding to reduce material size: it rotates a horizontal cylinder filled with grinding media (e.g., high-chromium steel balls, alumina balls) at a controlled speed. As the cylinder rotates, the grinding media lifts and falls due to centrifugal force and gravity, crushing and grinding the dry feed material into fine particles. The finished powder is then discharged through a classifier (built-in or external) to ensure uniform fineness—no water is added during the entire process.

Why Choose Dry Ball Mill?

1.No Liquid Required: Eliminates the need for a drying step post-milling, saving energy and time.

2.Lower Operating Cost: Generally has lower operational costs compared to wet milling, as it avoids costs associated with liquid handling, pumping, and subsequent drying.

3.Product Purity: Ideal for materials that react with water or when the introduction of moisture is undesirable for the final product's quality (e.g., in cement, where gypsum can set).

4.Simpler Setup: The system is often less complex than a wet ball mill circuit, as it doesn't require thickeners, filters, or dryers.

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Product features

Continuous High Production

The continuous feeding and discharging system enables non-stop operation. This design maximizes production capacity and provides a steady flow of fine mineral powder for large plants.
Significant Energy Savings

Featuring energy-saving bearings and an optimized drive system, it significantly reduces power consumption. This provides a cost-effective solution for long-term mineral processing.
Durable and Flexible Liners

It supports various liners like ceramic or manganese steel to prevent contamination and wear. This flexibility allows for the grinding of different materials with high durability.
Stable and Reliable Operation

The robust structural design ensures stable performance during high-volume operations. It is capable of handling diverse ores and abrasive materials in harsh mining environments.

Working principle

The materials are uniformly fed into the first chamber of cementball mill by the feeding device through the feeding hollow shaft. There is a stepped or corrugated liner plate and some steel balls of different specifications in the chamber. The impact force of steel balls falling will have a grinding effect on the material. After the kibbling in the first chamber, the materials will enter the second chamber through the monolayer partition board, which is inlaid with a flat liner plate and contains steel balls to further grind the materials. After that, the powder will be discharged through the discharge device.

Specification

Model	Capacity(t/h)	Rotate speed(r/min)	Grinding Balls(t)	Motor Power(kw)	Gear box
Model	Capacity(t/h)	Rotate speed(r/min)	Grinding Balls(t)	Motor Power(kw)	Model	Speed Ratio
Ф1.2x4.5	1.6-5.8	30.3	5	55	ZD30	4.5
Ф1.5x5.7	3.5-6	26.34	11	130	ZD40	4
Ф1.83x6.4	6.5-15	23.9	21	210	ZD60	4.5
Ф1.83x7	7.5-17	24.5	23	245	ZD60	4.5
Ф2.2x6.5	14-20	21.4	31	280	ZD70	5
Ф2.4x7	17-28	20.4	39	380	ZD80	5
Ф2.4x8	20-35	20.3	42	570	ZD80	5
Ф2.4x12	35-45	20	63	800	MBY710	6.3
Ф2.4x13	35-38	19.4	68	800	MBY710	6.3
Ф2.6x13	40-55	19.5	82	1000	JDX800	6.3
Ф3x9	50-55	18.34	78	1000	JDX800	6.3
Ф3.2x9	60-70	17.6	95	1250	MBY900	7.1
Ф3.5x11	75-85	16.8	150	1250	JDX900	5.84
Ф3.8x12	85-110	17	175	1600	MBY800	5.6
Ф4.6x10+3.5	180-210	15	278	3550	JQS3500	15.1