Zhongxin Heavy Industrial Machinery Co.,Ltd.
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Cement Ball Mill

Capacity
0.65–90 t/h
Motor
18.5-800KW
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Energy-Saving Cement Ball Mill for Clinker & Slag Fine Grinding

◎The Zhongxin cement ball mill is a heavy-duty, high-efficiency grinding mill engineered specifically for modern cement grinding plants, clinker processing lines, and industrial mineral milling circuits. Designed to operate as the key finishing equipment in cement production, this industrial ball mill efficiently grinds raw clinker, gypsum, granulated blast furnace slag, fly ash, and limestone into high-fineness binder materials.

◎Accepting raw material feed sizes of up to ≤25 mm, the Zhongxin cement ball mill achieves a precise target specific surface area between 300 m²/kg and 500 m²/kg (300–2500 mesh equivalent) with an impressive output capacity ranging from 0.65 t/h to 90 t/h. Powered by an innovative drive transmission system, scientifically graded grinding media, and wear-resistant alloy liners, it improves grinding efficiency by 20%–30% while cutting overall power consumption by 15%–30% (maintaining unit power consumption at ≤30 kWh/t). Featuring an operational uptime rate exceeding 95% and an advanced pulse dust collection system that keeps emissions below 30 mg/m³, Zhongxin provides global clients with an eco-friendly, ultra-reliable, and highly cost-effective grinding solution for P·O 42.5 and P·C 32.5 high-grade cement production.

Cement Ball Mill

High Energy Savings

Adopting optimized drive systems and scientific grinding media, the mill improves grinding efficiency by 20%–30% and reduces overall power consumption by 15%–30% (≤30 kWh/t).

Cement Ball Mill

Precise Fineness Control

Equipped with dynamic diaphragm partitions, the equipment enables precise surface area adjustment between 300 m²/kg and 500 m²/kg, satisfying standard requirements for P·O 42.5 and P·C 32.5 cement.

Cement Ball Mill

Wide Material Adaptability

Accepting raw feed sizes up to ≤25 mm, it efficiently handles cement clinker, natural gypsum, blast furnace slag, fly ash, and limestone across raw and finish grinding circuits.

Cement Ball Mill

Heavy-Duty Reliability

Built with heavy-duty cast steel trunnions and dual-hydrostatic bearings, the grinding mill ensures smooth transmission and minimal vibration, maintaining an operational uptime rate exceeding 95%.

Cement Ball Mill

Quick-Maintenance Modular Design

Featuring modular alloy liners and quick-disassembly diaphragm grates, internal wearing parts can be inspected and replaced rapidly, significantly cutting plant downtime and maintenance costs.

Eco-Friendly & Smart Control (≤30 mg/m³) Fully enclosed negative-pressure operation combined with pulse bag dust collectors restricts emissions to ≤30 mg/m³, while optional smart PLC automation supports real-time monitoring.

A cement ball mill grinds pre-crushed clinker, gypsum, and additives into fine cement powder through a continuous process of impact shattering and attrition grinding:

  1. Feeding & Impact Shattering: Material (≤25 mm) enters the primary chamber via a hollow trunnion. Rotating large steel balls drop under gravity to shatter coarse clinker into smaller fragments.

  2. Compartment Transition: The crushed material passes through a double-wave diaphragm partition into the secondary chamber, regulating flow velocity and air balance.

  3. Fine Attrition Grinding: Smaller steel balls or cylpebs continuously grind and shear the material until reaching the target fineness of 300–500 m²/kg.

  4. Air Discharge & Classification: Fine powder is drawn to the discharge end by air draft. In a closed-circuit system, fine cement is collected while coarse particles return for re-grinding, maintaining power consumption at ≤30 kWh/t.

Product Photos

Specification

ModelCapacity
(t/h)		Rotate Speed
(r/min)		Grinding Balls
(t)		Power (kw)Gear Box
ModelSpeed Ratio
Φ1.2x4.51.6-5.830.3555ZD304.5
Φ1.5x5.73.5-626.3411130ZD404
Φ1.83x6.46.5-1523.921210ZD604.5
Φ1.83x77.5-1724.523245ZD604.5
Φ2.2x6.514-2021.431280ZD705
Φ2.4x717-2820.439380ZD805
Φ2.4x820-3520.342570ZD805
Φ2.4x1235-452063800MBY7106.3
Φ2.4x1335-4819.468800MBY7106.3
Φ2.6x1340-5519.5821000JDX8006.3
Φ3x950-5518.34781000JDX8006.3
Φ3.2x960-7017.6951250MBY9007.1
Φ3.5x1175-8516.81501250JDX9005.84
Φ3.8x1285-110171751600MBY8005.6
Φ4.6x10+3.5180-210152783550JQS350015.1


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Common Problems

This section is designed to address the most pressing inquiries customers may have regarding the daily operation, maintenance, product advantages, and after-sales service of our machine. Our aim is to help you gain a comprehensive understanding of our overall capabilities and enable you to make informed decisions for your projects.

A cement ball mill is the core finishing equipment in a cement production line, designed to grind pre-crushed clinker, gypsum, and mineral additives (such as blast furnace slag, fly ash, and limestone) into fine cement powder. As the final processing step before packaging and storage, the grinding quality in the ball mill directly determines the fineness, setting time, and strength grade (such as P·O 42.5 or P·C 32.5) of the final cement product.

A cement ball mill can process a wide variety of raw and mineral materials across the cement manufacturing chain, including raw clinker, natural gypsum, granulated blast furnace slag, limestone, fly ash, and volcanic ash. Beyond cement production, the same heavy-duty mill is widely used to grind ceramic raw materials, coal powder, non-metallic minerals, and mineral dressing tailings based on target fineness requirements.

The maximum allowable feed particle size for a cement ball mill is ≤25 mm, though pre-crushing materials to under 15 mm is recommended to maximize grinding efficiency. The output fineness can be precisely controlled between 300 m²/kg and 500 m²/kg in specific surface area (equivalent to 300 to 2500 mesh), satisfying standard requirements for high-grade commercial cement and ultrafine slag powder.

Modern cement ball mills reduce electricity consumption by 15% to 30% through optimized shell compartment design, high-wear-resistant alloy liners, and frequency-conversion drive technology. By pairing scientific grinding media grading with a closed-circuit air classification system, the unit maintains power consumption at ≤30 kWh per ton of cement, significantly lowering operational costs.

In an open-circuit system, material passes through the mill once to reach final fineness, offering a simple setup with lower initial investment but higher risk of over-grinding. In a closed-circuit system, the mill works together with a dynamic air classifier; coarse particles are automatically separated and returned to the mill inlet for re-grinding, which improves production capacity by 20%–30% and ensures uniform particle size distribution.

Industrial cement ball mills are available in a wide range of specifications, from compact models (Φ1.2×4.5 m) up to large-scale units (Φ4.6×14 m), with production capacities ranging from 0.65 t/h to 90 t/h. When selecting a model, clients should match equipment size based on their required hourly output, target specific surface area, and maximum feed size.

Grinding media should be inspected regularly and replenished periodically based on material hardness, daily operating hours, and wear rates to maintain the optimal filling ratio (typically 30%–40% of mill volume). A complete replacement of steel balls and internal alloy lining plates is generally required after 8,000 to 15,000 hours of continuous operation depending on maintenance protocols.

Equipped with a fully sealed negative-pressure shell structure and a high-efficiency pulse bag dust collector, the cement ball mill restricts dust emissions to ≤30 mg/m³, meeting strict global environmental regulations. Noise levels can also be effectively contained within standard industrial limits by installing acoustic insulation enclosures around the mill shell and drive system.
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