Ground Calcium Carbonate(GCC) is usually got by grinding natural carbonate minerals such as calcite, marble
and limestone. It is a kind of common powdery inorganic fillers, characterized by high purity, big inertia
and excellent thermal stability. GCC never decomposes below 400℃. Besides, it has advantages such as
high whiteness, low oil absorption, low refractive index, low hardness, low abrasion value and good dispersion.
GCC is soft, dry / water-free, non-toxic, tasteless and odorless. In terms of granularity, GCC can be
classified into ordinary GCC, ultrafine GCC, wet-grinding ultrafine GCC and surface-modified ultrafine
Ground Calcium Carbonate(GCC) Grinding Technical
Ground Calcium Carbonate(GCC) is usually made by grinding
natural carbonate minerals such as calcite, marble and limestone. It can be got by wet or dry process.
Currently, dry process is popular at home.
Big blocks of natural carbonate minerals like calcite, marble or limestone would be crushed into
particles within 15mm-50mm --- the feeding size of grinding mills.
The ground Ground Calcium Carbonate(GCC) with air flow would be graded by powder separator. After
that, the unqualified powder would be sent back to the grinding cavity for another grinding.
The small qualified pieces would be evenly sent, by conveyor and feeder, into the grinding cavity where the materials
would be ground into powder. Usually, LM vertical grinding mill, MTW European grinding mill and MTM over-pressure
trapezoidal grinding mill are often used for fine powder processing while LUM ultrafine vertical grinding mill and
SCM ultrafine grinding mill are often used for ultrafine grinding.
Powder Collecting Stage
With air flow, powder meeting the 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
How to match a calcium carbonate plant
Calcium carbonate plant can produce calcium carbonate powder with different fineness between 80-2500 mesh，Calcium carbonate plant need to crushing equipment, milling equipment and some corresponding mining equipment work together, the way to match jaw crusher, hammer crusher,MTM series trapezium mill、modification machine, powder packaging machine, belt conveyor, vibrating feeder, etc.
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