Double roller crushers are machines that are designed to break down larger sized materials into smaller sized materials. They consist of two parallel rollers that rotate towards each other at different speeds, with the material being fed between them. These crushing machines are commonly used in the mining industry and can also be found in other industries such as construction and metallurgy. In this article, we will discuss the specifications of double roller crushers.

One of the most important specifications of a double roller crusher is the size of the rollers. Typically, the diameter of the rollers ranges from 200mm to 1200mm, depending on the application. The larger the diameter of the rollers, the higher the capacity of the crusher to crush larger materials.

Another important specification of double roller crushers is the speed at which the rollers rotate. The rotation speed is typically measured in RPM (Rotations per Minute), and it can range from 5 RPM to 75 RPM, depending on the application. The lower the RPM, the more energy-efficient the machine is, but it would take longer to crush the material. Higher RPM equates to faster crushing speeds.

Double roller crushers also have different types of tooth configurations. Some crushers have a single set of teeth, while others have double sets of teeth. Additionally, some crushers have a smooth surface while others have a corrugated surface. The type of tooth configuration depends on the application and the material being crushed. Smooth rollers are best for crushing soft materials, while corrugated rollers are better for crushing hard materials.

When it comes to the power requirements of double roller crushers, they can range from 4kW up to 250kW, depending on the capacity and size of the machine. This power requirement is also affected by the hardness of the material being crushed.

Other important specifications to consider when choosing a double roller crusher include the feed size, the discharge size, and the reduction ratio. The feed size refers to the maximum material size that the crusher can accept, while the discharge size refers to the size of the crushed material that is discharged from the machine. The reduction ratio is the ratio of the size of the feed material to the size of the crushed material.

In brief, double roller crushers are versatile machines that can be used in various industries. When choosing a double roller crusher, it is essential to consider its specifications such as the size of rollers, speed of rotation, tooth configuration, power requirements, feed size, discharge size, and reduction ratio. These specifications will help determine whether the crusher is suitable for the application and ensure optimal performance.