In recent years, with the rapid development of the economy, the demand for processing and utilization of silicon carbide grinding has also been greatly enhanced.
The production steps of silicon carbide micropowder are as follows:
(1) taking the silicon carbide raw material, crushed by a crusher, and sieved to silicon carbide particles of not more than 5 mm, and then shaped into silicon carbide particles of not more than 2 mm by a shaping machine, and the oval particles account for 80%. Above, then pickling and removing impurities and drying;
(2) The dried silicon carbide particles are pulverized into a silicon carbide powder having a d50=9.5-11.5 μm by a mill, and when pulverized, the main current of the mill is set to 65-75 A, and the fan flow rate is set to 40- 50m3/min, the speed of the analyzer is 400-600 rpm;
(3) The silicon carbide powder is then classified by a vortex flow classifier. When classifying, the flow rate of the fan of the vortex flow classifier is 25-43 m3/min, and the speed of the classifying wheel is 2600--3300 rpm. The finished product A having a particle size ds94=6.5-5.5 μm is separated, and the semi-finished product with ds94≤5.5 μm is separated by the cyclone;
(4) The vortex flow classifier is divided into the semi-finished product by the impeller type airflow classifier and then subjected to secondary grading. When grading, the fan flow rate of the impeller type air classifier is 25-10m3/min, and the grading wheel speed is 1300-- At 1700 rpm, the particle size is ds94=4.5-3.0μm finished product B from the grading port, and the by-product is separated by the cyclone port.
Such a process and operation must be indispensable to the grinding machine equipment of mining machinery. Henan Dawn Heavy Industry Technology Co., Ltd. is an old enterprise specializing in the production of grinding machine equipment for more than 20 years. Not only the quality of the products is excellent, but also the innovation and resounding of mining machinery. industry. Dawn Heavy Industry's self-developed grinding machine new products have been lingering in the past, such as: high-pressure suspension roller mill, MTM ladder mill, ultra-fine powder mill, Raymond mill, LM vertical Milling machine, MTW European version of trapezoidal mill, etc. These devices not only solve the current problems for many industries, but also bring effective improvement and improvement to their economic interests. Therefore, Dawn Heavy Industry has been loved by many industries and users. And praise.
The equipments comparable to them are: mobile crushing station and crawler-type mobile crushing station, PFW European version of impact crusher (counter-breaking), European version of jaw crusher (E-break), jaw crusher (breaking) , impact crusher, 5X sand making machine (sand making machine), VSI new sand making machine, CS hydraulic cone crusher, HPC high efficiency cone crusher, etc. These new mining equipments not only adopt domestic and foreign advanced technology and The technology is more efficient, environmentally friendly, energy-saving and many other advantages. It is an airport, railway, highway, ordinary highway construction and national large bridges, subsea tunnels, land tunnels, new high-rise buildings and other construction and mining industries, cement industry, Indispensable equipment in the metallurgical industry, ceramic industry, sand and gravel industry, grinding industry, construction industry, road construction industry.
The production steps of silicon carbide micropowder are as follows:
(1) taking the silicon carbide raw material, crushed by a crusher, and sieved to silicon carbide particles of not more than 5 mm, and then shaped into silicon carbide particles of not more than 2 mm by a shaping machine, and the oval particles account for 80%. Above, then pickling and removing impurities and drying;
(2) The dried silicon carbide particles are pulverized into a silicon carbide powder having a d50=9.5-11.5 μm by a mill, and when pulverized, the main current of the mill is set to 65-75 A, and the fan flow rate is set to 40- 50m3/min, the speed of the analyzer is 400-600 rpm;
(3) The silicon carbide powder is then classified by a vortex flow classifier. When classifying, the flow rate of the fan of the vortex flow classifier is 25-43 m3/min, and the speed of the classifying wheel is 2600--3300 rpm. The finished product A having a particle size ds94=6.5-5.5 μm is separated, and the semi-finished product with ds94≤5.5 μm is separated by the cyclone;
(4) The vortex flow classifier is divided into the semi-finished product by the impeller type airflow classifier and then subjected to secondary grading. When grading, the fan flow rate of the impeller type air classifier is 25-10m3/min, and the grading wheel speed is 1300-- At 1700 rpm, the particle size is ds94=4.5-3.0μm finished product B from the grading port, and the by-product is separated by the cyclone port.
Such a process and operation must be indispensable to the grinding machine equipment of mining machinery. Henan Dawn Heavy Industry Technology Co., Ltd. is an old enterprise specializing in the production of grinding machine equipment for more than 20 years. Not only the quality of the products is excellent, but also the innovation and resounding of mining machinery. industry. Dawn Heavy Industry's self-developed grinding machine new products have been lingering in the past, such as: high-pressure suspension roller mill, MTM ladder mill, ultra-fine powder mill, Raymond mill, LM vertical Milling machine, MTW European version of trapezoidal mill, etc. These devices not only solve the current problems for many industries, but also bring effective improvement and improvement to their economic interests. Therefore, Dawn Heavy Industry has been loved by many industries and users. And praise.
The equipments comparable to them are: mobile crushing station and crawler-type mobile crushing station, PFW European version of impact crusher (counter-breaking), European version of jaw crusher (E-break), jaw crusher (breaking) , impact crusher, 5X sand making machine (sand making machine), VSI new sand making machine, CS hydraulic cone crusher, HPC high efficiency cone crusher, etc. These new mining equipments not only adopt domestic and foreign advanced technology and The technology is more efficient, environmentally friendly, energy-saving and many other advantages. It is an airport, railway, highway, ordinary highway construction and national large bridges, subsea tunnels, land tunnels, new high-rise buildings and other construction and mining industries, cement industry, Indispensable equipment in the metallurgical industry, ceramic industry, sand and gravel industry, grinding industry, construction industry, road construction industry.
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