Heavy calcium carbonate mill

Heavy calcium carbonate is a commonly used powdery inorganic filler with high chemical purity, high inertia, not easy to occur chemical reaction, good thermal stability, no decomposition below 400 ° C, high whiteness, low oil absorption, low refractive index, soft and dry , Without crystal water, low hardness, low wear value, non-toxic, tasteless, odorless, good dispersibility and other advantages.

Applications

Heavy calcium carbonate (heavy calcium) is produced by directly crushing natural limestone, calcite, etc. by mechanical methods (milling equipment such as Raymond mill). Its production methods include dry milling and wet milling.

The first stage: Crushing
Natural carbonate minerals such as calcite, marble, limestone and other large materials are crushed by the crusher to the feed fineness (15mm-50mm) that can enter the mill.

The second stage: Milling
The crushed small pieces of material are sent to the silo by the elevator, and then sent to the grinding chamber of the mill by the vibrating feeder for grinding.
For fine powder processing, generally use LM vertical mill, MTW European type grinding mill, 5X European version intelligent powder mill; for ultra-fine powder processing, generally use LUM ultra-fine vertical mill, MW micro powder mill; sand or coarse powder The processing uses CM European coarse powder mill and straight-through centrifugal mill.

The third stage: Grading
The powdered material is classified by the classifier, and the unqualified powder is classified by the classifier and returned to the host for re-milling.

The fourth stage: Collecting
Fine powder complies with the fineness with airflow go through the pipe into the dust collector for separation and collection. The finished powder collected by the delivery device is delivered to the finished product bin, and then packed uniformly with the powder tanker or automatic packing machine.

Required equipment

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