Granite Crushing Process

Introduction

Granite is a hard, dense, and chemically stable igneous rock widely used in construction, highways, railways, bridges, concrete aggregates, and manufactured sand. Due to its high hardness and abrasiveness, the granite crushing process requires multi-stage crushing and wear-resistant equipment to ensure high-quality output with good particle shape and gradation.

Granite Crushing Process Flow

Raw Granite → Vibrating Feeder → Jaw Crusher (Primary Crushing) → Cone Crusher (Secondary / Fine Crushing) → Vibrating Screen → Final Products / Sand Making (Optional)

Main Equipment Configuration

Vibrating Feeder: Feeds materials evenly and removes impurities.

Jaw Crusher: Used for primary crushing to break large pieces of granite.

Cone Crusher: Highly efficient and wear-resistant, suitable for secondary and fine crushing of hard materials.

Vibrating Screen: Separates aggregates into different particle sizes.

Belt Conveyor: Transports materials between equipment.

Sand Making Machine (optional, VSI Impact Crusher): Produces high-quality manufactured sand as needed.

Features of Granite Crushing

High hardness and strong wear resistance: Requires the use of wear-resistant alloy crushing components.

Large crushing ratio and excellent particle shape: Multi-stage crushing processes improve the quality of final products.

High level of automation: Intelligent control systems can be integrated to reduce labor costs.

Eco-friendly design: Equipped with dust suppression systems to control dust and noise emissions.

Common Applications

建筑骨料（Concrete aggregates）
高速公路路面基层（Road base materials）
铁路道砟（Railway ballast）
市政工程和城市基础设施（Urban infrastructure）
机制砂生产（Manufactured sand production）

FAQ – Frequently Asked Questions

Q1: What capacity configuration is needed for granite crushing equipment?

A: The required capacity depends on the size of your raw material and your daily processing volume. Typical capacity configurations range from 50 t/h to 1000 t/h.

Q2: Can the system produce manufactured sand?

A: Yes. By adding a VSI sand making machine after secondary crushing, finely crushed granite can be turned into high-quality manufactured sand suitable for concrete production.

Q3: Which is better for granite — cone crusher or impact crusher?

A: Granite is a hard material, so we recommend using a cone crusher, which offers longer wear part life and lower overall operating costs.

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