Granite Aggregate Production Line Process

Processing hard rock is a challenge that demands precision, power, and durability. For quarry owners and contractors, the granite aggregate production line process is often synonymous with high wear costs and frequent downtime if the equipment is not configured correctly. Granite, known for its high hardness and silica content, can quickly destroy standard crushers, eating into your profit margins.

At Liming Heavy Industry, we have engineered a specialized solution to tackle this problem. By optimizing the crushing stages and selecting the right material for wear parts, our granite crushing plants deliver not only high capacity but also superior aggregate shape. In this guide, we will break down the complete technical process and show you how to build a production line that balances performance with cost-efficiency.

Granite Aggregate Production Line Process
Granite Aggregate Production Line Process

Why Granite Processing Requires a Specialized Design

Before diving into the flow chart, it is crucial to understand the material. Granite typically has a Mohs hardness of 6-7 and contains a high percentage of silica. This makes it:

  • Highly Abrasive: It wears down metal liners faster than limestone or basalt.
  • Difficult to Crush: It requires high crushing force to fracture effectively.

Therefore, a standard “Impact Crusher” setup (often used for soft rocks) is not recommended for the main crushing stage in a granite aggregate production line process. Instead, a “Jaw + Cone” configuration is the industry standard for durability.

Step-by-Step: The Granite Aggregate Production Line Process

A complete stationary or mobile crushing plant follows a logical flow. Here is the detailed breakdown of each stage in the Liming solution.

Stage 1: Feeding and Primary Crushing

Large granite boulders blasted from the mine are fed into the system. Since the raw material size is large (often 500mm – 1000mm), a robust primary crusher is essential.

  • Equipment: Vibrating Feeder + PE Series Jaw Crusher.
  • Process: The feeder evenly transports rocks to the Jaw Crusher. The Jaw Crusher reduces the size to approx. 150mm – 300mm. Liming’s Jaw Crushers feature deep cavities to improve feeding capacity and crushing efficiency.

Stage 2: Secondary Crushing (The Core Stage)

This is the most critical part of the granite aggregate production line process. The material must be reduced to the final product size (usually 0-5mm, 5-10mm, 10-20mm).

  • Equipment: HPT or HST Series Hydraulic Cone Crusher.
  • Process: The output from the Jaw Crusher is conveyed to the Cone Crusher. We specifically recommend the HPT Multi-cylinder Hydraulic Cone Crusher for granite. It utilizes a “lamination crushing” principle which is efficient for hard rocks and produces less needle-like particles.
  • Why not Impact Crusher? Using an impact crusher here would result in frequent blow bar replacements, significantly increasing your OPEX (Operating Expenditure).

Stage 3: Screening and Separating

Once crushed, the material needs to be sorted into different commercial specifications.

  • Equipment: YZS Vibrating Screen (3-deck or 4-deck).
  • Process: The crushed stone is sieved. Oversized stones are returned to the Cone Crusher for re-crushing (Closed Circuit), while stones meeting the size requirements are conveyed to the respective stockpiles.

Stage 4: Tertiary Shaping (Optional but Recommended)

For projects requiring high-grade concrete or asphalt, the shape of the aggregate is vital. Flaky stones are rejected by strict standards.

  • Equipment: VSI6X Sand Making Machine (Vertical Shaft Impact Crusher).
  • Process: This machine uses “stone-beating-stone” technology to shape the granite into perfect cubes, removing sharp edges and internal cracks.

Recommended Equipment Configuration & Capacity

Depending on your required output, Liming provides modular configurations. Below is a reference for common capacities.

Capacity (TPH)Primary CrusherSecondary CrusherScreening
100 – 150 TPHPE-600×900 JawHPT300 / HST160 Cone3YZS1860
200 – 250 TPHPE-750×1060 JawHPT300 / HST250 Cone3YZS2160
400 – 500 TPHPE-1000×1200 Jaw2 × HPT300 Cones2 × 3YZS2460

Advantages of Liming’s Granite Solution

Implementing a scientifically designed granite aggregate production line process brings measurable benefits to your operation:

  • Reduced Wear Costs: By utilizing the HPT/HST Cone Crusher’s lamination crushing, we minimize the abrasive wear on liners compared to traditional methods.
  • Intelligent Control: Our hydraulic cone crushers come with PLC touch screens, allowing you to monitor oil temperature, pressure, and discharge opening size in real-time.
  • High Quality Final Product: With the addition of the VSI shaper, the final granite aggregate has excellent cubic shape and high compressive strength, selling at a premium price.

Customer Case: 300TPH Granite Plant in Southeast Asia

One of our clients in the Philippines required a solution for river granite. The traditional layout they used previously resulted in liner replacement every week.

The Solution: Liming redesigned the flow using a PE900x1200 Jaw Crusher and two HST160 Single Cylinder Hydraulic Cone Crushers.

The Result: The liner service life extended by 150%, and the production capacity stabilized at 320 tons per hour. The client successfully supplied aggregate for a local highway project.

Frequently Asked Questions (FAQ)

1. What is the total cost of a granite aggregate production line?

The cost varies significantly based on capacity (TPH) and configuration (Stationary vs. Mobile). A small 50TPH plant is much cheaper than a 500TPH automatic plant. Contact Liming for a detailed quote based on your specific needs.

2. Can I use a Mobile Crusher for granite processing?

Yes. The granite aggregate production line process can be fully mobilized. Liming offers the K-Series Mobile Crushing Station, which puts the Jaw and Cone crushers on chassis with wheels or tracks, ideal for sites that move frequently or have difficult terrain.

3. How do I maintain the equipment when processing hard granite?

Regular maintenance is key. You should check the wear of the jaw plates and cone mantles/concaves weekly. Ensure the lubrication system of the cone crusher is clean, as dust can damage the hydraulic system. Liming provides detailed maintenance manuals and local support.

Investing in a granite aggregate production line process is a significant decision. The key to profitability lies in selecting the right equipment that can withstand the hardness of granite while delivering consistent output. Liming Heavy Industry combines decades of experience with advanced hydraulic crushing technology to offer solutions that are both durable and efficient.

Related Articles

  1. Road stone crusher machine manufacturer from europe

    Road stone crusher machine manufacturer from europe

    Road stone crushers are specialized machines that are designed to crush stones and rocks for use in road construction, building construction, and other industrial applications....

  2. robo sand manufacturing machinery equipment

    robo sand manufacturing machinery equipment

    Robo sand is a term used to refer to artificial sand that is manufactured with the help of advanced technology. It is a substitute for...

  3. Price of new blue metal crushing unit and model form of crusher unit

    Price of new blue metal crushing unit and model form of crusher unit

    Blue metal crusher dust is left over at quarries when they are crushing blue metal (volcanic basalt) rock to be used on bitumen roads. The...

  4. Turkey Calcium carbonate powder grinding mill for sale

    Turkey Calcium carbonate powder grinding mill for sale

    Calcium carbonate exists as an abundant natural resource in Turkey. Therefore, it can be obtained at low cost, and is one of the available materials...

  5. Aggregate Screening Technology

    Aggregate Screening Technology

    Aggregate screening technology is a crucial part of the mining and construction industries, as it is used to separate and classify rocks and minerals into...

  6. Super Fine Powder Making Machine

    Super Fine Powder Making Machine

    HGM super fine powder making machine is mainly applied to the medium and low hardness, Mohs hardness ≤ 6 grade non-flammable superfine powder processing of...

  7. Mining processing equipment crushers iran

    Mining processing equipment crushers iran

    Iran is a country rich in mineral resources, and the mining industry is an important part of its economy. The mining processing equipment in Iran...

  8. Gold refining and processing plants philippines

    Gold refining and processing plants philippines

    In the Philippines, gold refining and processing plants play a significant role in the country's mining industry. These facilities are responsible for transforming raw gold...

  9. Manganese ore crushing and beneficiation equipment for sale

    Manganese ore crushing and beneficiation equipment for sale

    The processing process of manganese ore mainly includes crushing, screening, flotation, sand washing and dehydration. After processing, manganese ore can generally be used in some...

  10. Barite Crusher

    Barite Crusher

    Barite is a mineral composed of barium sulfate. It is commonly used in the oil and gas industry as a weighting agent in drilling muds....

Lets Get in Touch!

Any Help?We are here for your questions anytime 24/7, welcome your consultation,For All of Your Crushing and Screening Needs.