Lapis lazuli is mainly leopard skin chert: light gray-gray-yellow in color, brownish yellow and gray on the fresh surface, locally maroon, with gray matrix, mostly fine powdered radial crystal calcite. Lapis lazuli is the most environmentally friendly stone among all kinds of stone, which is often used in furniture and home decoration and outdoor construction because of its easy access to materials, huge natural stock, resistance to abrasion, weathering, and no radiation.
What are the models of lapis lazuli grinding machine you can choose? Here are two types of equipment that can be used for lapis lazuli grinding.
MTW Series European Grinding Mill
MTW series European mill adopts many patented technologies such as bevel gear integral drive, internal thin oil lubrication system, arc air duct, etc. It has high grinding efficiency, and is the replacement of traditional Raymond mill and pendulum mill, and is widely used in the fields of desulfurization of electric power plant, pulverization of large non-metallic minerals, and building materials and chemical industry, and it is very suitable for lapis lazuli milling.
LM Vertical Roller Mill
LM Vertical Roller Mill is an energy-saving mill equipment which is a combination of mature vertical mill technology, foreign successful experience and our company's technological innovation and upgrading. It integrates crushing, drying, grinding, classifying and conveying, and can be widely used in cement, electric power, metallurgy, chemical industry, non-metallic mining and other industries.
The advantages of lapis lazuli mill equipment are as follows:
1.The lapis lazuli mill adopts mature three-dimensional structure design, covers a small area, easy to install and operate.
2.The mill parts adopt mature wear-resistant steel, the equipment is durable and greatly extends the service life.
3. The finished product of the mill has uniform particle size and good particle shape, and the particle size can be reasonably adjusted according to the user's requirements, with good flexibility.
4. The mill runs with low noise, low energy consumption and low pollution, which is in line with the national environmental standards.
The process flow of lapis lazuli mill is as follows:
After crushing, the qualified lapis lazuli is evenly, quantitatively and continuously fed into the grinding chamber of the host machine for grinding by the frequency conversion belt feeder. After grinding, the copper sulfate powder is sent into the classifier for grading by the airflow of the fan. Under the action of analyzer, the materials that do not meet the fineness requirements fall into the grinding chamber to be regraded, and the qualified materials enter into the cyclone powder collector with the airflow through the pipeline to be separated and collected, and then discharged by the discharging device to get the finished powder. The separated airflow enters into the fan through the return air pipe at the upper end of the cyclone dust collector. The system operates with positive and negative pressure, and the equipment is equipped with pulse dust collector, which is environmentally friendly.
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