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Raymond Grinding Mill for Coal Powder Making Plant

Material: coal

Fineness:  80-400mesh

Capacity: 12 t/h

Purpose: Power Plants: Produces fine coal powder for efficient combustion in boilers. Cement Plants: Provides fuel-grade coal powder for kilns. Chemical Industry: Used as a raw material for various chemical processes.

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coal mill in Bhutan

This Coal Powder Making Plant in Bhutan utilizes our CLRM1300 Raymond grinding mill to achieve 80-400 mesh coal powder production with high capacity.

The customer celebrated the factory’s commencement with prayers for a bright and successful future.

Raymond Grinding Mill for Coal Powder Making
CLRM Raymond Grinding Mill for Coal Powder Making
CLRM Raymond mill for coal
80-400 mesh Coal Powder Making Plant In Bhutan

Raymond Mill for Coal Powder Making

The Raymond mill is widely used for grinding coal into fine powder, making it ideal for use in industries such as power generation, cement manufacturing, metallurgy, and chemical processing.

Advantages

  • Cost-Effective: Low maintenance and operating costs make it a budget-friendly choice for coal powder production.
  • Uniform Particle Size: Ensures consistency, enhancing the performance of downstream applications like combustion.
  • Durability: High-wear-resistant materials extend service life, even in abrasive coal grinding.

Key Features

  1. 1. High Efficiency: Capable of grinding coal into ultra-fine powder with high throughput.
  2. 2. Adjustable Fineness: Produces powders with adjustable particle sizes, typically ranging from 60 to 400 mesh.
  3. 3. Energy-Saving Design: Uses advanced technology to reduce energy consumption compared to traditional mills.
  4. 4. Robust Construction: Designed to handle high moisture and hard coal types without clogging.
  5. 5. Environmental Compliance: Equipped with dust collectors to minimize emissions during operation.
More Details
coal powder

Applications

  • Power Plants: Produces fine coal powder for efficient combustion in boilers.
  • Cement Plants: Provides fuel-grade coal powder for kilns.
  • Chemical Industry: Used as a raw material for various chemical processes.

Technical Configuration of Raymond Mill

>>Core Specifications

  1. 1. Model: Raymond Mill 3R/4R/ (depending on required capacity and fineness)
  2. 2. Capacity:
    1. 3R: 1–2 tons per hour
    1. 4R: 3–40 tons per hour
  4. 3. Input Material Size: ≤20–35 mm
  5. 4. Output Fineness: Adjustable (60–400 mesh; can reach 400 mesh with certain configurations)
  6. 5. Power:
    1. Main Motor: 45–315 kW (varies by model)Fan Motor: 37–280 kW
    1. Classifier Motor: 15–45 kW
  7. 6. Grinding Rollers and Ring: Made from high-manganese steel for durability and extended life in coal grinding.

>>Detailed Configuration

  1. 1. Main Frame: Houses rollers and grinding rings for efficient grinding.
  2. 2. Classifier: Adjustable speed to control particle size distribution.
  3. 3. Blower: Ensures consistent airflow to carry fine coal powder to the cyclone collector.
  4. 4. Cyclone Separator: Collects fine coal powder and separates it from air.
  5. 5. Dust Collector: Minimizes environmental impact by reducing emissions.
  6. 6. Vibrating Feeder: Ensures smooth feeding of raw coal to the grinding chamber.
  7. 7. Control System: Advanced PLC or manual control for easy operation.

>>Site and Installation Requirements

  1. 1. Foundation Area: Depends on the model; typically 10–20 m² for mid-sized mills.
  2. 2. Power Supply: Stable electricity supply with 380V/50Hz for industrial-scale use.
  3. 3. Raw Material: Moisture content ≤6% for optimal performance (pre-drying may be needed for higher moisture content).

>>Advantages for Coal Powder Applications

  1. 1. Uniform Particle Size: Enhanced fuel efficiency in combustion.
  2. 2. Moisture Tolerance: Handles materials with slight moisture without compromising efficiency.
  3. 3. Automation Ready: Suitable for large-scale plants with minimal human intervention.

Recommendation and Installation Planning for a Raymond Mill

>>Model Recommendation

For coal powder production, your choice of Raymond Mill depends on the required capacity and application. Below are recommendations:

For Small-Scale Production
(1–4 tons per hour)

Model: Raymond Mill CLRM9720
Output Fineness: 60–400 mesh (adjustable)
Main Motor Power: 45 kW
Blower Power: 37 kW
Applications: Ideal for small industrial or local energy needs.

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For Medium-Scale Production
(4–8 tons per hour)

Model: Raymond Mill CLRM1280, CLRM1300, CLRM1620
Output Fineness: 60–400 mesh (adjustable, can be customized to 500 mesh)
Main Motor Power: 75-160 kW
Blower Power: 55-132 kW
Applications: Suitable for medium-sized power plants or chemical manufacturing.

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For Large-Scale Production
(8–15 tons per hour)

Model: Raymond Mill CLRM1700A, CLRM1900A, CLRM2200A
Output Fineness: 60–400 mesh
Main Motor Power: 185-315 kW
Blower Power: 160-280 kW
Applications: Best for large power stations or cement plants.

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>>Installation Planning

Foundation Requirements:

1. Construct a robust concrete foundation that can withstand dynamic forces during operation.
2. Dimensions should allow space for ancillary equipment like blowers and classifiers.

Power Setup:

1. Ensure stable 3-phase industrial power supply (380V, 50Hz).
2. Use appropriate circuit breakers and surge protectors.

Site Layout:

1. Install the mill indoors or under a covered structure to protect from environmental damage.
2. Allow for easy access to feeders, dust collectors, and maintenance areas.

Feeding System:

1. Use a vibrating feeder for consistent coal supply to the grinding chamber.
2. Pre-screen the coal to remove oversized particles (>30 mm).

Dust Collection System:

1. Install a high-efficiency pulse dust collector to comply with environmental standards.
2. Position it downstream of the cyclone separator for maximum efficiency.

Testing and Commissioning:

1. Perform a dry run before feeding coal.
2. Gradually introduce coal to check for system stability.
3. Monitor motor loads, temperature, and airflow rates to ensure optimal performance.

Safety Precautions:

1. Install explosion-proof devices for handling coal powder, which is highly combustible.
2. Ensure proper grounding and regular checks for leaks in dust handling systems.

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