What can the vertical mill do? What are the advantages?
The vertical mill has a mature grinding technology, which integrates crushing, drying, grinding, grading and conveying. It can be widely used in cement, power, metallurgy, chemical industry, non-metallic ore and other industries, and focuses on the three major fields of non-metallic ore, coal powder and slag. So what advantages does vertical mill have when it is used so widely?
Main functions of vertical mill:
1. Fine grinding function: This is also the most important function of vertical mill, which is used in fine grinding, ultra-fine grinding materials, as well as embedded fine particle size ores. It is popular in metallurgy, building materials, chemical industry, medicine, cosmetics, mining and other industries.
2. Mixing function: vertical grinding equipment is used to mix materials, which can make materials fine and enhance the mixing effect of materials.
3. Shaping function: In the powder industry, some industries require the powder to have a certain shape, for example, quartz sand used as molding sand, silicon carbide, zinc oxide, diamond, etc. are required to be nearly spherical; Sillimanite is required to be needle shaped. The vertical mill can help to realize the shaping function in these fields.
4. Flaking function: Some materials are far from enough to be grinded. They need to be peeled layer by layer to maintain the flaky structure before they can be used later, such as mica, graphite, kaolin, etc. The vertical mill has the flaking function. By controlling the operating parameters of the vertical mill, the flaky diameter can be as large as possible. This is also a popular and important function of vertical mill.
What are the characteristics of vertical mill ?
1. Low investment cost
The vertical mill integrates crushing, drying, grinding, grading and conveying. The system equipment is few, the structure layout is compact, and the building area is small. The floor area is 70% of that of the ball mill, and the building space is about 60% of that of the ball mill system. At the same time, the outdoor layout can be realized, which greatly reduces the construction cost and the comprehensive investment cost.
2. High grinding efficiency
As the vertical mill adopts the material layer grinding principle, the power consumption of the grinding system is 20% - 30% lower than that of the ball mill, and the energy consumption is 30% - 40% lower than that of the ball mill. The production capacity of a single machine is large, and the energy saving effect is more significant by using low valley power.
3. High degree of automation
The vertical mill can adopt a fully automatic control system, which can realize remote control, simple maintenance, simple operation and reduce labor costs;
4. Environmental protection and energy conservation
The whole vertical mill system has low vibration, low noise, overall sealing, full negative pressure operation, less dust and clean working environment. In addition, the roller of the vertical mill does not directly contact the grinding plate, so the noise is about 20-25 decibels lower than that of the ball mill. It is an energy-saving grinding equipment.
5. Reliable performance
The grinding roll limiting device is adopted to avoid vibration caused by material breaking; The new type of roller sealing device has more reliable sealing performance.