White stones/ Calcite pulverizing machine, grinding mill

White stones/ Calcite pulverizing mill plant usually consists of main unit, classifier, powder collector, dust cleaner, induced draft fan, muffler, sound-proof room, crusher machines, bucket elevator, storage hopper, and vibrating feeder.

>>Introduce of White stones/ Calcite pulverizing mill:
White stones/ Calcite pulverizing mill can be used in pulverizing non-inflammable, non-explosive and brittle materials with Moh’s hardness under nine, such as calcite, kaolin, limestone, calcite, barites, carbon black, mica, quartz etc. With the development of high-tech industry, fine and superfine powder is widely applied in various fields, Clirik White stones/ Calcite pulverizing mill become more and more requires by various industries.

>>Working principle of White stones/ Calcite pulverizing mill:
Clirik White stones/ Calcite pulverizing mill working principle is when the White stones/ Calcite pulverizing mill is at work, all the grinding rollers are rolling in the ring, and the materials are driven to the edge of the turnplate by the centrifugal force and fall down into the grinding chambers where the materials are repeatedly pressed, crushed and grinded by the rollers.
After crushed by hammer crusher, the large materials become small ones and are sent to storage hopper by elevator, edge of then evenly sent to the upper distribution plate of the turnplate by vibrating feeder and sloping feeding pipe. The high-pressure air blower constantly inhales air within the grinding mill and, in turn, the air flow with crushed materials are brought to the classifier whose high-speed impeller will screen the airflow: the unqualified particle size will fall and return to the mill for being reground while the qualified particle size mixed with air will go into the cyclone powder collector. Most of the qualified powders will fall an exit from the discharging valve at the bottom; a small proportion of the fine powders, with airflow, moves to the dust cleaner, and clings to the surface of the filter bags. At the same time, the fine powders clinging to the surface fall down by the sudden vibration of the filter bags, which is caused by the instantly ejected high-pressure gas controlled by the pulse valve. The materials from the above two lots are sent by the conveyor at the bottom to get finished powders packed. In addition, filtered clean air will be emitted from the air outlet of muffler in the end.

>>Features of White stones/ Calcite pulverizing mill:
***High efficiency
Under the same finished final size and the same motor power, the capacity of micro powder grinding mill is twice as much as jet mill, mixing grinder and ball mill.
***Long lifecycle of spare parts
The ring and roller are forged by special material with high utilization. Under the same grinding material and finish special size, the lifecycle of spare parts is about one year, which is 2-3times longer than impact mill or turbo mill. Furthermore, the lifetime can reach 2-5 years for grinding calcite carbonate.
***High safety and reliability
As no rolling bearings or screws in grinding cavity, there are no problems caused by bolts shedding or rapid wear of bearings and seal components.
***High fineness and flexible adjustment
The final fineness of the grinding materials can be adjusted between 325 meshes and 3000 meshes, and the product fineness can reach D97≤5um.
***Environment-friendly
The application of pulse deduster and muffler greatly alleviates dust pollution and noise.

What are calcite / white stone?
Calcite / Marble Crushed Media (CaCO3) Synonyms: calcite, limestone, calcspar, crushed marble, ground limestone, calcium carbonate, ground / pulverized calcium carbonate, GCC, lime, chalk, whiting, champagne chalk, French chalk, alba car, and aero matt is the common about calcite. Calcite is a common mineral consisting of crystallized calcium carbonate; a major constituent of limestone. Calcite is a crushed and screened white marble media which can inexpensively be used to neutralize acidic or low pH waters to a neutral, less corrosive effluent. Calcite is one of the most common minerals to produce calcium carbonate.

Calcite/ white stones powder usage and application:
>> Plastics, rubber, coatings, inks, adhesives, and soil conditioner, building products, plastic filler, ceramic flux, asphalt filler, chemical processing, glass ingredient, water treatment, pesticide granules, dusting agent, welding rods coating, thermo sets, thermoplastics, paints, coatings, adhesives, sealants, rubber, pharmaceutical, toothpaste, and food additive
>> Calcite has a wealth of uses: as a flux in steel production and in processing of non-ferrous metals; in bricks, mortar and concrete for construction; as a raw material in glass; in the construction of roads and dams; in the manufacture of paper, paints and dyes, carpeting and other floor coverings; and in the treatment of water, industrial waste, gases and household refuse. It is also used to reduce soil acidity in agriculture, to absorb water and add calcium in food products, and in sugar extraction.
>> Calcite is a versatile additive for use in a wide range of plastic and elastomeric applications. Its regular and controlled crystalline shape and ultrafine particle size together with the hydrophobic surface coating combine to the benefit of both polymer processing and subsequent physical properties.

Technical data of White stones/ Calcite pulverizing mill:
Model HGM80 HGM90 HGM100 HGM100A HGM125
Ring Diameter(mm) 800 930 1035 1035 1300
Ring Number (PCS) 3 3-4 3 4 4
Roller Number(PCS) 21 24-32 27 34-36 40-44
Main Shaft Speed (r. p. min) 230-240 200-220 180-200 180-200 135-155
Input Size (mm) ≤20
Finished Size (um) 5-47(325-2500)
Capacity (t/h) 0.5-4.5 0.6-6.5 0.7-7 1-8.5 1.5-12
Outlet Size L*W*H (m) 13.9*4*6.2 14.7*4.8*7.2 18*4.6*8.6 18*4.6*8.6 14*9*10.25
Motor powder (KW) 145-165 185-204 263 263-290 380-430
Note: This specification is just referencing, any changes are subject to the products.
 
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