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HGM80 Ultra Fine Grinding machine--HGM8021

Products overview

HGM8021 Micro Powder Grinding Mill is mainly applied to non-inflammable, non-explosive and brittle materials with Mohs hardness under six. Such as calcite (calcite carbonate, calcium carbonate), chalk,

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     HGM8021 Ultra Fine Grinder machine(calcite carbonate grinder machine, chalk grinder machine, limestone grinder machine, dolomite grinder machine, kaolin grinder machine, bentonite grinder machine , talc grinder machine, mica grinder machine, magnesite grinder machine, pyrophillite grinder machine, ceyssatite grinder machine, barite grinder machine, gypsum grinder machine, alunite grinder machine, granite grinder machine, fluorite grinder machine, phosphate rock grinder machine, kalium ore grinder machine , float stone grinder machine)is mainly applied to non-inflammable, non-explosive and brittle materials with Mohs hardness under six. Such as calcite (calcite carbonate, calcium carbonate), chalk, limestone, dolomite, kaolin, gypsum, etc, totally more than 100 kinds of materials. Product fineness can be controlled between 0.047 and 0.005mm.
    Performance and features of Ultra Fine Grinder machine:
    1.  High efficiency
    Under the same final size and power, the product capacity of ultrafine mill is twice than jet mill and agitation mill.
    2.   Longer lifetime of spare parts
    The roller and ring are made of special material, which improve the grinding efficiency a lot. For same material and final size, the lifetime of its wearing parts can reach to more than one year, about 2-5 times as long as that of vertical shaft impact crusher and turbo-mill. Especially when handling calcium carbonate and calcite, the lifetime can reach 2-5 years.
    3.  High safety and reliability:
    There are no rolling bearings and bolts in grinding cavity, so problems caused by bolts shedding or wear of bearings and seal components will never happen.
    4. High fineness of products
    The product fineness can reach D97≤5μm.
    5. Environment friendly
    The application of pulse dust collector and muffler reduce the pollution and noise of the dust, which has reached national environment protection standard.
    Production Line Configuration of Ultra Fine Grinder machine
     The whole set HGM Ultra Fine  Grinder machine(calcite carbonate grinder machine, chalk grinder machine, limestone grinder machine, dolomite grinder machine, kaolin grinder machine, bentonite grinder machine , talc grinder machine, mica grinder machine, magnesite grinder machine, pyrophillite grinder machine, ceyssatite grinder machine, barite grinder machine, gypsum grinder machine, alunite grinder machine, granite grinder machine, fluorite grinder machine, phosphate rock grinder machine, kalium ore grinder machine , float stone grinder machine) consists of hammer crusher, bucket elevator, storage hopper, vibrating feeder, main unit, inverter classifier, cyclone collector, pulse deduster system, high pressure positive blower, air compressors and electrical control systems.
     

    Working Principle of Ultra Fine Grinder machine
    The main bearing and each dial are driven by electromotor of main machine through reducer, and numbers of rollers, which are rolling in the ring, are driven by dial through plunger. After crushed by hammer crusher, the big materials become small ones and are sent to storage hopper by elevator and further sent to the middle of first dial evenly by the electromagnetic vibrating feeder and feeding pipe. The materials will be driven to the edge of dial by centrifugal force and fall down into the ring, crushed and grinded by roller, and become powder after production of three rings. The high pressure centrifugal blower will inhale air from outside and blow the crushed materials to classifier. The rotating turbo in the powder concentrator will make the coarse materials return to the mill and reground, while the fineness will mix with the air and go into the cyclone and be discharged in the discharge bin, which is at the bottom of it. The air, which mixed with very little fineness, will be purified by impulse duster and discharged by blower and muffler.
    Technical Data of Ultra Fine Grinder machine:

    Item
    Unit
    Specification
    HGM8021
    HGM10027
    Number of roller 
    piece
    21
    27
    Layer of ring
    piece
    1x3
    1x3
    Ring diameter
    mm
    800
    1000
    Feeding size
    mm
    ≤10
    ≤10
    Final size
    μm/mesh
    47-5/325-2500
    47-5/325-2500
    Capacity
    Kg/h
    400-4500
    900-6500
    Overall sizeLxWxH
    m
    13×3x5.8
    18x4x8.6

     Note: Any change of technical data shall not be advised additionally.