Marble is recrystallized limestone. It mainly consists of CaCO3. Under high temperature and high pressure, limestone turns to be soft and its minerals take changes to be recrystallized to form marble. It is colorful and has obvious texture and many mineral particles. The Moh's hardness is 2.5-5. Marble is mainly composed of calcite, limestone, serpentine and dolomite.

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Marble Grinding Mill

The marble processing plant usually includes two major steps --- crushing process and grinding process respectively. At the crushing step, marble can be crushed by jaw crushers and impact crushers such as PEW Jaw Crushers and CI5X Impact Crushers. At the grinding step, the choice of marble grinding mills depends on specific requirements on fineness of finished marble powder. In summary, the marble grinding mills include:

  • MB5X Pendulous Hanging Grinding Mill

    High grinding efficiency

    Stable Operation

    Longer service life

    Environment friendly

  • LM Vertical Mill

    Low operation costs

    Strong drying ability

    Stable quality

    Efficient pulverizing

  • XZM Ultrafine Grinding Mill

    Environment friendly

    High capacity

    Low consumption

    High quality grinding media

  • Ball Mill

    High grinding ratio


    Easy maintenance

    Good abrasion resistance

Marble Powder Production Process

In a whole marble powder production line, marble is excavated firstly and then transported to feed hoppers. Next, marble is evenly fed by vibrating feeders to primary crushing machines like jaw crushers. Broken marble will then go into impact crushers to be broken further. If customers want to produce marble powder, marble grinding machines, that is, the marble grinding mills, are necessary.
For marble powder production, in terms of different applications and fineness, recommended marble grinding mills are shown in the following table.

Fineness Applications Recommended Equipment
80-200meshes Marble powder, a kind of heavy calcium powder (dolomite powder) with high Ca content. The whiteness is 85, 90, 93 or higher. Used as materials in construction, wall coating, chemical filler, weighting agent, papermaking and sealants as well as feed additive fields. MTM, MTW, LM
250-300meshes Raw materials of plastic, rubber, coating and water-proof products. MTM,MTW,LM
350-400meshes Used to produce pinch plates, building and chemical materials. XZM & LUM
400-600meshes Used to produce cream paste and soap. XZM & LUM
Above800meshes Used in the production of rubber, plastic, cable and PVC filler. XZM & LUM
Above1250meshes Used as the raw materials of PVC, PE, paint, coating, bottom & surface coating of papermaking and ink. XZM & LUM

Marble Processing Plant

In a marble processing plant, there are often 4 stages.
1. Crushing Stage: Big blocks would be crushed into materials within 15mm-50mm--- the feeding size of grinders. If the marble leftovers meet the demand of feeding size, the crush is not required.
2. Grinding Stage: The small qualified pieces would be evenly sent, by conveyor and feeder, into the grinding cavity where the materials would be ground into powder.
3. Grading Stage: The ground material with air flow would be graded by powder separator. After that, the unqualified powder would be sent back to the grinding cavity for another grind.
4. Powder Collecting Stage: With air flow, powder meeting the fineness standard enters into the powder collecting system along the pipe. The finished powder products are sent to finished product warehouse by conveyor and packed by powder filling tanker and automatic pack machine.


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