Double-Drive Wide-Chamber Pin Mill

In the crushing chamber, two pin disks rotate at high speed in opposite directions, with a maximum relative speed of up to 250 m/s.

It is suitable for the ultra-fine crushing of crystalline or acicular particles, as well as wet, greasy and viscous materials.

Equipment Overview

The Double-Drive Wide-Chamber Pin Mill is an impact mill. Inside the grinding chamber, two pin disks rotate at high speed in opposite directions, achieving a maximum relative speed of up to 250 m/s. The material hardness should not exceed Mohs hardness 3. The fineness of the product is controlled by adjusting the rotation speed of the pin disks. When the two pin disks rotate relatively, a centripetal force is generated between them, enabling the processing of wet, viscous and oily materials. Meanwhile, the equipment is very easy to clean—simply open the grinding chamber door. The wide-chamber pin mill is highly suitable for the grinding and processing of crystalline or acicular particles, as well as fatty or oily materials used in the pharmaceutical and food industries. The large grinding chamber of this equipment can prevent the occurrence of internal coating and clogging issues. Compared with other grinding technologies, this equipment has lower energy requirements; in some cases, energy consumption can be reduced by more than 50% depending on the type of material. The ultra-fine grinding of particles is achieved by the high rotation speed of the grinding disks. Almost all grinding requirements can be met by adjusting parameters. The combination of grinding conditions such as rotation direction, grinding disk speed, air volume and feeding rate can be customized according to requirements.

Equipment Features

1. The milling blades of conventional models are cylindrical, and there are various types of crushing blades available to adapt to different materials.

2. This equipment can use a refrigerant for low-temperature crushing.

3. The wide crushing chamber design enables effective heat dissipation and prevents material adhesion and accumulation.

4. The high speed generated by the relative operation of two pin-type grinding disks allows for ultra-fine grinding, with a minimum fineness of D90 5 μm.

5. The screen-free structure makes it an ideal choice for processing wet, high-oil and high-viscosity materials.