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Double Roll Crusher

Double Roll Crushers typically follow a primary or secondary crusher and are used for secondary and tertiary reduction of various minerals, such as ROM coal, clean coal, limestone, gypsum, trona, shale, bauxite, oil shale, coke, salt, lime, glass, kaolin, brick, shale and wet, sticky feeds.

Specifications

  • 2-stage and 3-stage

  • Capacity: 20 TPH to 500 TPH

  • Feed Size: 300 - 700 mm and below

  • Output Size: 40 mm and below

  • Price Range: INR 1.0 - 5.5 crore

  • Power Source: Electricity or diesel generators

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Who can use it?

Double Roll Coal Crushers are commonly used in the mining and coal industries for crushing coal and other materials such as limestone, gypsum, trona, shale, bauxite, oil shale, coke, salt, lime, glass, kaolin, brick, shale and wet and other materials.

Benefits of the crusher?

  • Durable Construction: Robust design ensures long-lasting performance and minimal maintenance.

  • Adjustable Rollers: Easily adjustable rollers for customizable output size.

  • Low Dust Emission: Designed to minimize dust production for a cleaner working environment.

  • Compact Design: Space-saving design ideal for various industrial applications.

  • Easy Maintenance: Simplified maintenance process with easily accessible components.

  • Consistent Output: Delivers uniform product size for reliable processing.

01

Robust Construction

02

Low Dust Emission

03

Adjustable Product Size

04

Cost-Effective Operation

05

Enhanced Safety Features

Why buy from HPPA?

HPPA International has built trust over 40 years of service for stone crushers

"Our clients choose HPPA over cheaper Chinese crushers"

Make in India

PRAKASH AGARWAL
Director, HPPA International

Reviews

ITD Cementation

"HPPA's Double Roll Coal Crusher revolutionized our mining operations, increasing throughput by 30% and reducing downtime by 25% in the coal mining industry."

What our customers said?

Simplex

"The portability and efficiency of HPPA's crusher saved our construction project 15% in operational costs, setting a new standard in portable crushing technology."

Tantia Constructions

"Using HPPA's crusher in our cement manufacturing plant improved particle size distribution by 20%, outperforming competitors with its 98% reliability rate."

Working

How does the crusher work?

Double roll coal crushers are widely used in the coal processing industry to crush coal into small sizes for further utilization. Here's a structured overview of how double roll coal crushers work:



Feed Hopper: Raw coal materials are fed into the crusher through a hopper or feeder chute. The feeder distributes the material evenly onto the rolls of the crusher.

Roll Crusher Components:

  1. Crushing Rolls: The crushing rolls consist of the roller bodies, complemented with crushing rings or crushing shells. The rolls are mounted on the crushing plate (frame).

  2. Drive Mechanism: A gearbox and motor drive the rolls to rotate in opposite directions. This ensures that the material is pulled into the rolls and crushed efficiently.

  3. Adjustment Mechanism: Typically, there are springs or hydraulic cylinders that apply pressure on the rolls to maintain a gap between them. This gap determines the size of the crushed product.

Crushing Process:

  1. Initial Feed: Raw coal is fed between the rolls and is crushed by the combination of compression and shear forces exerted by the rolls.

  2. Compression: The rolls compress the coal against a crushing plate which is fixed on the crusher frame.

  3. Shearing: As the rolls rotate, the coal particles are pulled into the crushing zone between the rolls and the crushing plate, where they are crushed into smaller pieces.

Discharge:

  1. Product Size Control: The gap between the rolls can be adjusted to control the size of the crushed product.

  2. Discharge Chute: The crushed coal exits the crusher through a discharge chute, where it is collected or conveyed to a further process.

Overall, double roll coal crushers efficiently crush coal into specified sizes using a combination of forces and adjustments to control product size, making them essential in coal processing operations.

Specifications

Select the crushers specifications

FAQ

Questions about the crusher

How do Double Roll Crushers differ from Single Roll Crushers?

Double Roll Crushers have two rolls that rotate in opposite directions, crushing the material between them. Single Roll Crushers have a single roll that rotates towards a fixed plate or breaker plate.

What are the primary advantages of using a Double Roll Crusher?

Can Double Roll Crushers handle hard materials like granite or basalt?

How does the size of feed material affect the performance of a Double Roll Crusher?

Are Double Roll Crushers suitable for crushing abrasive materials?

What safety features are typically included in Double Roll Crushers?

How do you maintain a Double Roll Crusher for optimal performance?

What are the typical applications where Double Roll Crushers are used?

How do you adjust the gap between the rolls on a Double Roll Crusher?

What factors should be considered when selecting between a Double Roll Crusher and other types of crushers? 


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