WhatsApp: +86 153 3380 7511 [email protected]

The First Stage of Cement Production

Raw material preparation is the foundational stage of cement manufacturing, where extracted limestone, clay, iron ore, and other raw materials are crushed, homogenized, and ground into a uniform raw meal ready for clinker calcination. The quality and consistency of this raw meal directly determines the efficiency of the kiln and the quality of the final cement.

LIMING Machinery provides a complete range of equipment covering all three sub-stages of raw material preparation: crushing (reducing run-of-mine material from up to 1,200mm to manageable sizes), pre-homogenization (blending material stockpiles to minimize chemical composition variation), and raw meal grinding (pulverizing the mix to the required fineness of 10–15% residue on a 90µm sieve). Our crushers handle feed sizes up to 1,200mm with capacities reaching 3,000 t/h, while our raw mills deliver outputs from 0.65 to 615 t/h with consistent particle size distribution.

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Equipment Types

3,000 t/h

Max Crushing Capacity

1,200mm

Max Feed Size

615 t/h

Max Grinding Output

Equipment Range

Raw Material Preparation Machines

Explore our full selection of crushers, mills, homogenizing systems, screens, feeders, and conveyors — each engineered to integrate seamlessly into your cement production line and deliver reliable, continuous performance in the most demanding quarry and plant environments.

Primary crushing of limestone and hard ores with compressive strength below 250 MPa. PE/PEX series, reliable and low-maintenance.

Feeding: 125–1,200mm Capacity: 1–1,200 t/h
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Secondary and tertiary crushing of medium-hard to hard materials. High reduction ratio with uniform particle size output.

Feeding: ≤350mm Capacity: 12–1,814 t/h
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High-capacity crushing of brittle, medium-hard materials. Single-stage reduction from large feed to fine product.

Feeding: ≤314mm Capacity: 5–3,000 t/h
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Cubic-shaped aggregate production through impact crushing. Ideal for limestone and materials with low abrasiveness.

Feeding: 300–700mm Capacity: 30–2,000 t/h
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Ball mill for grinding raw materials to fine raw meal. Air-swept design with drying capability for moist feeds.

Weight: 43.8–485 t Capacity: 0.65–615 t/h
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Vertical roller mill integrating grinding, drying, and classification. Energy-efficient with 30–50% lower power consumption.

Weight: 43.8–485 t Capacity: 70–720 t/h
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Pre-homogenization system for blending raw material stockpiles. Reduces chemical composition variation before grinding.

Stacking: Continuous / chevron Density: 0.85–1.45 t/m³
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Rotating disc pelletizer for granulating raw meal or powder materials into uniform pellets for further processing.

Disc dia: Custom Capacity: up to 100 t/h
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Multi-deck screening equipment for sizing crushed material. Circular and linear motion models for various applications.

Feeding: ≤400mm Capacity: 8–800 m³/h
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Even, regulated feeding of bulk material to crushers, screens, and mills. Electromagnetic and electromechanical models.

Feeding: 300–1,200mm Capacity: 80–1,500 t/h
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Belt conveyors for transporting raw materials across the plant. Heavy-duty design for abrasive, high-tonnage applications.

Belt width: 400–2,400mm Capacity: 30–3,000 t/h
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Need a Custom Raw Material Preparation Solution?

Our engineers will design the optimal crushing and grinding configuration based on your material characteristics, capacity requirements, and production process. Get a personalized equipment recommendation and quotation today.

WhatsApp: +86 153 3380 7511 [email protected]