dry ball mill

Dry Ball Mill

The dry ball mill is a cylindrical tube type mill. It is used as a key equipment for crushing the material after it has been crushed. The dry ball mill generally uses multiple warehouses, which are often used for circulating powder grinding or for open milling.

⌈ Feeding size ⌋:≤25 mm

⌈ Production capacity ⌋:1.4-87 t/h

⌈ Application range ⌋:Mainly used in cement, silicate products, new building materials, refractory materials, fertilizers and glass ceramics and other production industries.

⌈ Applicable material ⌋:Quartz stone, gold ore, iron ore, cement clinker, copper ore, pyrrhotite, construction waste, gypsum, coal, dolomite.

international trade: 0086-371-66888887

Outstanding advantages

  • High quality parts, guaranteed performance

    The hollow shaft is made of cast steel, the inner lining can be replaced, the rotary large gear is processed by casting hobbing, and the barrel is embedded with wear-resistant lining, which has good wear resistance. The machine runs smoothly and has reliable performance.

  • Closed system, energy saving and environmental protection

    The ultra-fine ball mill and classifier form a closed system for negative pressure conveying, no dust, effectively avoiding environmental pollution and reducing damage to the human body; the drive and grinding energy consumption are matched, which can greatly save energy.

  • Flexible design and high grinding efficiency

    Reasonable feeding port design increases the feeding amount; the taper structure is adopted near the discharging end to make the steel ball natural grading, the diameter of the steel ball near the discharging port is small, the size of the ground material is fine, and the customer can also according to itself. An optional iron remover is required.

Equipment composition

Dry ball mill consists of feeding part, discharging part, rotating part, driving part (reducer, small transmission gear, motor, electric control) and other main parts.

Working principle

干式球磨机动图

The dry ball mill is similar to other ball mills, the equipment has two chambers. However, the dry ball mill is a horizontal cylindrical rotating device. The outer gear drive drives the two bins to rotate at a high speed. When the material reaches a certain height, the material and the steel ball are at Under the action of gravity and centrifugal force, it will fall, impact, squeeze and crush the material to achieve the grinding effect, and realize the preliminary pulverization. After the material reaches the rough grinding in the first warehouse, it enters the second warehouse through the single-layer compartment board. The interior is lined with a flat lining with steel balls to further grind the material. The finished material is finally discharged through the discharge raft, and the material is transported to the next step by the conveying equipment to complete the grinding operation.

Technical Parameters

Model Effective volume(m³) Balls weight(t) Feeding size(mm) Capacity(t/h) Motor power(kw) Weight(t)
Φ1200×4500 4.7 6.5 ≤25 1.4-2 45 13.1
Φ1500×5700 9.4 13 ≤25 3.5-4.5 130 24
Φ1830×6400 15.7 21.6 ≤25 5.5-6.5 210 38
Φ1830×7000 17.1 23.5 ≤25 6—7 210 43
Φ2200×6500 23 31.5 ≤25 8—10 380 50.2
Φ2200×7500 26.5 36 ≤25 10—11 380 53.2
Φ2200×8000 28.3 39 ≤25 10—12 380 55
Φ2200×9500 33.6 46 ≤25 14—16 475 65
Φ2400×10000 42.1 58 ≤25 18—20 680 94.5
Φ2400×11000 46.3 64 ≤25 19—21 680 99.2
Φ2400×13000 54.7 75.5 ≤25 21—23 800 115.2
Φ2600×13000 88.6 122 ≤25 28—32 1000 148
Φ3000×12000 78.9 109 ≤25 32—35 1250 168.6
Φ3000×13000 85.5 118 ≤25 34—37 1400 172.3
Φ3200×13000 134.2 185 ≤25 45—50 1600 218
Φ3800×13000 137.1 189 ≤25 60—62 2500 286
Φ4200×13000 167.5 231 ≤25 85—87 3550 320

Note: the production capacity of different materials is different, please consult for more details: 0086-371-66888887

We promise

1. Pre-sales service, actively provide technical data support for customers, free to provide program design and investment quotation estimates.

2. Provide customers with tailor-made global transportation arrangements to ensure safe and fast delivery of goods.

3. Regularly return visits to all users to track product usage, ensure that equipment is in optimal working order, and help customers achieve maximum benefits.

Related materials

  • Quartz Stone

  • Gold Ore Processing

  • Copper Ore Processing

  • Iron Ore Processing

  • Dolomite

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Contact us

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  • Email:sales@bljq.com
  • WhatsApp:+86-18203639337
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