Calcium carbonate is a common inorganic compound commonly known as limestone, limestone, stone powder, etc., and is found in rocks such as vermiculite, calcite, chalk, limestone, marble, and travertine. Calcium carbonate can be classified into heavy calcium carbonate, light calcium carbonate, colloidal calcium carbonate, and crystalline calcium carbonate depending on the production method. Heavy calcium carbonate (heavy calcium) is obtained by directly pulverizing natural limestone, calcite, etc. by a mechanical method (Raymond mill or the like). Light calcium carbonate (light calcium) is obtained by calcining limestone at high temperature, water digestion, carbonization of carbon dioxide, and finally dehydration, drying and pulverization.
First stage: broken
The bulk material of calcium carbonate is crushed by the crusher to the incoming fineness
(15mm-50mm) which can enter the mill.
Second stage: milling
The crushed calcium carbonate small material is sent to the silo through the hoist, and then
uniformly and quantitatively fed into the mill grinding chamber through the vibrating feeder for
grinding.
Fine powder processing generally uses LM vertical mill, MTW European version of mill, TGM
overpressure trapezoid mill; ultrafine powder processing generally uses LUM ultra-fine vertical
mill, MW ring roller micro-grinding machine; sand or coarse powder The processing uses CM
European coarse grinding and straight-through centrifugal grinding.
Phase III: Grading
The ground material is graded by a powder separator, and the unqualified powder is sorted by the
classifier and returned to the main machine for re-grinding.
The fourth stage: powder collection
The fine powder conforms to the airflow and enters the dust collector through the pipeline for
separation and collection. The collected finished powder is sent to the finished silo through
the discharge device through the discharge port, and then uniformly packaged by the powder
tanker or the automatic baler.
Desulfurization
Chemical industry
Metallurgy
Agriculture
Building
Building materials
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