Micronized calcium carbonate grinders

Posted: 2019-11-12

• Micronized calcium carbonate grinder also known as limestone micro grinding machine, calcite micro powder grinding mill, calcium carbonate micro powder mill, talc micro-powder mill, barite micro-powder mill, gypsum micro-powder mill, marble micro-powder mill, feldspar micro grinder, firefly Stone micro-grinding machine.

  It is mainly suitable for ultra-fine powder processing of non-inflammable and explosive brittle materials with medium and low hardness and Mohs hardness ≤6, such as calcite, chalk, limestone, carbon black, kaolin, bentonite and talc. , mica, magnesite, illite, pyrophyllite, vermiculite, sepiolite, attapulgite, rectorite, diatomaceous earth, barite, gypsum, alum, graphite, fluorite, phosphate rock, potassium More than 100 kinds of materials such as ore and pumice, the fine powder finished product can be arbitrarily adjusted between 325-3000 mesh, and the output can reach 0.4-4.5 tons per hour.

   

  

  Applications: Calcium carbonate crushing, gypsum powder processing, power plant desulfurization, non-metallic mineral milling, coal powder preparation, etc.

  Materials: limestone, calcite, calcium carbonate, barite, talc, gypsum, diabase, quartz, bentonite, etc.

  Production capacity: 0.5-45t/h

  Finished product fineness: 200-3000 mesh

  Micronized calcium carbonate grinders production line usually has hammer crusher, bucket elevator, storage bin, vibrating feeder, micro-grinding host, frequency classifier, double cyclone dust collector, pulse dust removal system, high pressure fan, air compression Machine, electrical control system and other components. The bulk material is crushed by a hammer crusher into a feed size (about 1 cm) suitable for the operation of the ultra-fine mill, and then the fineness of the analyzer is adjusted by adjusting the rotation speed of the analyzer to be suitable for the production requirements. It is also possible to configure automatic micro-powder balers and different types of mills as needed.

  
  Advantages

  Energy efficient

  In the case of the same fineness of the finished product and the same motor power, the output of the jet mill, the agitator mill and the ball mill is more than double.

  Consumable parts have a long service life

  The grinding roller and the grinding ring are forged by special materials, so that the utilization degree is greatly improved. Generally, it can last for more than one year. When processing calcium carbonate and calcite, the service life can reach 2-5 years.

  High safety and reliability

  Since there is no rolling bearing or screw in the grinding chamber, there is no problem that the bearing and its sealing member are vulnerable, and there is no problem that the screw is loose and the machine is destroyed.

  Environmentally friendly, clean

  The dust collector is used to capture dust, and the muffler is used to reduce noise, which is environmentally friendly and clean.

  
  Structure and composition

  The main part of micronized calcium carbonate grinders consists of main engine, reducer, analyzer, fan, bypass powder collector, maintenance platform and electric control cabinet. The auxiliary machine part is composed of a jaw crusher, a bucket elevator, an electromagnetic vibrating feeder, a storage bin and the like.

   

  What should pay attention to when micronized calcium carbonate grinder working?

  1. Check the bearing temperature frequently. If the temperature is too high, check whether the lubrication and transmission parts are normal, and whether the rolling distance is too tight. Identify the cause in time and take corresponding measures. If the situation is serious, stop the inspection.

  2. Always check the tightness of the belt. If the belt is too loose, it will reduce the transmission efficiency and affect the grinding effect. If it is too tight, it will easily cause bearing heat, increase power consumption and reduce the service life of the belt.

  3. All kinds of transmission components must be fastened and reliable. Special tools should be used for disassembly or installation. It is forbidden to directly hit with tools such as hammers.

  5, do not forget to check the pneumatic components, after the plastic mill is turned on, always check the pneumatic components in the gas path, whether there is air leakage or damage in the gas path and connection, and at the same time check whether the gas supply pressure meets the requirements, the timing belt The use of the situation should also be checked frequently. If it is found to be too tight, too loose, beating, deviation, and serious wear, it should be adjusted, repaired or replaced in time. The oil quantity of the oil mister in the gas source triplet should be checked regularly, and 20# spindle oil must be added to avoid blockage of the small holes in the pipeline.

  
  How micronized calcium carbonate grinders work:

  During operation, the main motor drives the main shaft and the turntable through the reducer, and the roller pin on the edge of the turntable drives dozens of grinding rolls to roll in the grinding ring raceway.

  The bulk material is broken into small particles by a hammer crusher and then sent to the storage bin by the hoist, and then passed through the vibrating feeder and the inclined feeding pipe to uniformly feed the material to the bulk disc of the upper part of the turntable.

  The material is scattered to the circumference of the circle under the action of centrifugal force, and falls into the raceway of the grinding ring, which is impacted, rolled and ground by the ring roller, processed into a powder through the processing of the three-layer loop, and the high-pressure fan passes the external air through suction. Inhaled into the machine and the pulverized material is brought into the classifier.

  The impeller rotating inside the classifier re-grinds the coarse material, and the fine powder that meets the requirements enters the cyclone dust collector with the airflow and is discharged from the lower discharge valve, and the airflow with a small amount of fine dust passes. The pulse dust collector is discharged through a fan and a muffler.

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