Types Of Crushers In Mining - China

What is Crushers

Crushers are mechanical devices used to reduce the size of materials such as rocks, ore, or gravel, facilitating further processing.

In mining, crushers are essential for processing raw materials into more manageable sizes for subsequent stages of extraction, refining, and transportation.

Importance of Crushers in Mining Operations

The role of crushers in mining cannot be overstated.

They help reduce large boulders into smaller sizes, making it easier to transport and process minerals.

Crushers also contribute significantly to enhancing productivity, as efficient crushing minimizes the need for additional processing steps.

Types of Crushers in Mining

Crushers can be classified into several categories based on their design and the mechanism used to break down materials.

The most common types of crushers used in mining include: Primary Crushing Plant

Primary Crushing Plant, this crushing is the first step in the process.

Raw ore (ROM) material comes directly from the blasting program and undergoes the first round of crushing in the primary crusher.

At this point, the size of the material is reduced from its original state for the first time.

Primary crushing produces material with an average size of 50 inches to 20 inches.

The two main types of primary crushers are: Jaw Crushers

Jaw crushers are one of the most widely used primary crushers in mining.

They work by compressing material between two jaws, one stationary and one moving, to break it down into smaller sizes.

Gyratory Crushers

Gyratory crushers feature a conical head and a concave surface that gyrates inside it.

These crushers are used for primary and secondary crushing and are ideal for handling large quantities of hard materials.

Secondary Crushing Plant

After the material has been crushed in the first round, it is fed into the secondary crusher for further crushing.

At this stage, the average input size to the secondary crusher ranges from 13 inches to 4 inches.

Secondary crushing is especially important for manufacturing graded materials that will be used in government projects.

Examples include crushed materials used for roadbeds and fills.

The major types of crushers used for secondary processing are discussed below.

Cone Crushers

Cone crushers operate similarly to gyratory crushers but are more compact.

They are primarily used for secondary or tertiary crushing to produce finer materials.

Impact Crushers

Impact crushers break material by using high-speed impact forces.

They are particularly useful for crushing soft to medium hardness materials and are commonly used in aggregate production.

Roll Crushers

Roll crushers use two rotating cylinders to crush materials.

The gap between the cylinders determines the size of the output material.

Roll crushers are often used for processing coal, clay, and other materials.

Hammer Mills

Hammer mills use high-speed rotating hammers to crush materials.

These crushers are ideal for smaller materials and are often used in industrial applications.

Mobile Crushers

Mobile crushers are versatile crushing units mounted on tracks or wheels, providing flexibility in mining operations.

These crushers are designed to move easily across job sites and reduce material size on-site.

How Crushers Work

Basic Principles of Crushing

Crushing in mining relies on mechanical force to break down large rocks into smaller pieces.

Each crusher type uses a different mechanism, such as compression, impact, or shear, to achieve this.

Mechanisms Behind Different Types of Crushers

Each type of crusher utilizes a unique method: Jaw crushers: Use compression by forcing rocks between two plates.

Gyratory crushers: Utilize a rotating conical head to compress material.

Cone crushers: Similar to gyratory crushers but with a more compact design.

Impact crushers: Rely on high-velocity impacts to break down material.

Roll crushers: Use two rotating cylinders to crush materials.

Hammer mills: Use hammers to pulverize material.

Company Contact:

• Posted By: Zhengzhou Chunlei Machinery Manufacturing Co., Ltd.

• Phone: 13783551262

• Address: No. 593, 21st Floor, Shenglong Youyicheng, High-tech Zone, Zhengzhou City, Henan Province, henan , china , China

• Email:

• Website: https://www.miningmachinerys.com/

• Business Description: Zhengzhou Chunlei Machinery Manufacturing Co., Ltd. is located in Mazhai Industrial Park, Erqi District, Zhengzhou City, Henan Province.
  
  The company covers an area of 20,000 square meters.
  
  It is a one-stop comprehensive service provider for mine design, manufacturing, installation and EPCO.