Limestone powder machinery refers to equipment used to process limestone into fine powder, which is widely used in industries like construction, agriculture, chemicals, and manufacturing. Here’s an overview of key machinery involved:
1. Crushers
– Jaw Crusher: Primary crushing to reduce large limestone blocks into smaller pieces.
– Impact Crusher/Hammer Crusher: Secondary crushing for finer particles.
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2. Grinding Mills (for fine powder production)
– Raymond Mill: Produces 80-325 mesh powder, suitable for medium-fine grinding.
– Ball Mill: Wet or dry grinding for ultra-fine limestone powder (up to 400 mesh).
– Vertical Roller Mill (VRM): Energy-efficient for large-scale production (200-300 mesh).
– Ultrafine Mill (HGM Series): Produces 325-2500 mesh micro-powder for high-value applications.
3. Classifiers
– Air Classifier: Separates fine particles by size, often integrated with grinding mills.
4. Dust Collectors
– Baghouse/Pulse Jet Dust Collector: Captures airborne particles to meet environmental standards.
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5. Conveying & Packaging Systems
– Bucket Elevators/Screw Conveyors: Transport powdered limestone between processes.
– Automatic Packing Machines: For bagging finished powder (e.g., 25–50 kg bags).
Applications of Limestone Powder
– Cement/concrete production
– Flue gas desulfurization (FGD) in power plants
– Soil conditioner in agriculture
– Filler in plastics, paints, and paper
Key Manufacturers
– CLIRIK (China) – Specializes in ultrafine grinding mills.
– Liming Heavy Industry (China) – Offers crushers and Raymond mills.
– FLSmidth (Denmark) – Provides advanced grinding solutions for cement industries.
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