vertical roller mill with spring systems for pyrophyllite

Vertical Roller Mill Overview

Vertical roller mill is a kind of highly integrated grinding equipment, which usually consists of several components such as grinding disk, grinding rollers, transmission device, separator, airflow system and so on. It effectively realizes pulverization through the squeezing and shearing effect of the grinding rollers on the materials on the grinding disk, and separates and recovers the particles that meet the requirements by taking away the dust through the airflow. Compared with other traditional grinding equipment, vertical roller mill has become the equipment for grinding materials such as ores, fertilizers, petroleum coke and so on, because of its compact structure, high energy efficiency and simple process.

Compared with traditional mill equipment, vertical roller mill not only saves a lot of energy consumption, but also has a strong grinding and drying capacity, which can meet the crushing needs of different materials.

Working Principle of Vertical Roller Mill

Through the cooperation of the grinding disc and grinding rollers, the material is sent into the center of the grinding disc, relying on the centrifugal force generated by the rotation of the grinding disc to push the material to the outer edge, forming a uniform layer of material. At this time, a number of grinding rolls on the material for compression, grinding at the same time, through the airflow driven by the fineness of the qualified materials out, do not meet the fineness requirements of the particles will fall back to the grinding disk, and re-grinding. The role of the airflow system and separator is to bring out the materials that meet the requirements of particle size through the airflow and collect them as finished products, and at the same time return the larger particles to the grinding disk for secondary grinding. In the whole process, the airflow also plays the role of drying, quickly remove the moisture in the material.

Features of Vertical Roller Mill

1. High-efficiency grinding: Vertical roller mill can quickly pulverize the material, with high grinding efficiency and strong drying capacity, suitable for a variety of materials crushing needs.
2. Energy saving and emission reduction: Compared with the traditional ball mill, vertical roller mill power consumption is greatly reduced, with more significant energy saving effect.
3. Compact structure, small footprint: The overall design of the vertical roller mill is compact, covers a small area, can save a lot of plant space, suitable for a variety of production environments.
4. Low noise, good environmental protection: The equipment is well sealed, less dust leakage, and low operating noise, in line with environmental standards.
5. Easy to maintain and overhaul: The design of the vertical roller mill focuses on simplifying the maintenance process, easy to overhaul, reducing the maintenance costs in operation.

Advantages of Vertical Roller Mill

1. Significant energy saving: Vertical roller mill can save up to 45%-60% of energy consumption compared with the traditional tube mill system. It adopts advanced grinding concepts to reduce power consumption and electricity consumption.
2. Powerful loading system: Equipped with a spring loading system combined with liquid and gas, it reduces the metal contact between the roller mill parts, reduces the wear of the equipment and prolongs the service life of the equipment.
3. Excellent fineness control: With the help of airflow and separator working together, the vertical roller mill can accurately control the fineness of the grinding material, adapting to different process requirements.
4. Reduced maintenance costs: Due to the simple structure of the equipment, stable operation, the maintenance costs of the vertical roller mill is low, and at the same time, it can improve the operational reliability of the equipment.

Application Areas of Vertical Roller Mill

• Cement industry: Vertical roller mill can be used for grinding cement clinker, optimizing cement production process and improving production efficiency.
• Metallurgical industry: It is suitable for the grinding of iron ore, bauxite and other minerals, to improve the fineness of minerals, and facilitate the subsequent processing.
• Chemical industry: Can be used for fertilizer, pesticides, ceramic materials and other grinding, with good grinding and classification effect.
• Non-metallic minerals: Such as chlorite, talc, bentonite and other minerals pulverized, can produce uniform fineness and stable quality products.
• Environmental protection industry: It is suitable for dealing with materials with high moisture content, has strong drying ability, and can effectively remove the moisture in the materials.
• Building materials industry: It is widely used in the grinding of limestone, calcite, quartz sand and other materials, which can improve the fineness and output of the finished products.