HGM calcite mill is mainly applied to the medium and low hardness, Mohs hardness of ≤ 6 grade non-explosive brittle material ultra-fine powder processing, such as calcite, chalk, limestone, dolomite, carbon black, kaolin, bentonite, talc, mica, magnesite, illite, pyrophyllite, vermiculite, sepiolite, attapulgite, rectorite, diatomite, barite, gypsum, alunite, graphite, fluorite, phosphate rock, potassium ore pumice, etc. 100 kinds of materials, fine particle size of 325-2500 mesh product (47-5 microns) between the arbitrary regulation, yield up to 325-2500 kg per hour. 



 1. Efficiency, energy saving 
 Fineness in the finished product and the motor power being equal, than the jet mill, mixing mill, ball mill of the high yield more than doubled. 
 2. Long life wearing parts 

 Roller, grinding ring forged from special materials, so that utilization increased substantially. Fineness of materials and finished products in the same circumstances, than the impact crusher and turbine crusher wear parts and long service life 2-5 times, generally up to one year or more, the processing of calcium carbonate, calcite, the service life of up to 2 -5 years. 

 3. Safe and reliable 

 No grinding cavity due to rolling, no screws, so there is no vulnerability of bearings and seals the issue, there is no screw loosening and destruction of machine problems. 

 4. Product fineness 

 Product fineness one can reach D97 ≤ 5μm. 

 5. Environmental protection, clean 

 Pulse dust collector to capture dust, the use of silencers to reduce noise, with environmental protection, clean features. 




 HGM features include a full set of calcite mill hammer crusher, bucket elevator, storage silo, vibrating feeders, micro-grinding hosts, frequency grading machine, double cyclone powder collector, pulse dust removal system, high pressure air, air compressors, electrical control system. 









 Work, the main drive motor through reducer rotating spindle and the wheel, roll off the edge of the drive wheel of dozens of roller ring groove in the grinding rolls. 

 Bulk materials are hammer crusher into small particles into the storage silo by the elevator, then through the shake and tilt the feeder the feed tube, the material evenly to the upper dial plate of bulk material. 

 Materials in bulk under the effect of centrifugal force to circle around, and fall into the ring roller mill is within the ring roller impact, roll forging, grinding, after processing into a three-ring Road, powder, high pressure air through the suction effect of the external air suction machine, and after crushing the material with selected powder machine. 

 Separator rotating impeller within the crude materials fell heavy grinding, the powder is to meet the requirements with the airflow into the cyclone powder collector by the lower part of the discharge valve discharge shall be finished, and with a small amount of fine dust in the air is through the After the pulse filter cleaning discharged through blower and muffler. 




 Product name and model number of ring rolls an average of diameter of roller ring (mm) feed size (mm) fineness (um / mesh) yield (kg / h) Dimensions (m) 
 HGM8021 21 1X3 800 = "10 47-5/325-2500 400-4500 13x3x5.8 
 HGM9024 24 1X3 900 = "10 47-5/325-2500 500-5500 14.7x4.8x7.2 
 HGM10027 27 1X3 1000 = "10 47-5/325-2500 900-6500 18x4x8.6 

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