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At present, the global demand for non metallic mineral powder a lot more exuberant. Based on incomplete statistics, only heavy calcium powder consumption demand in the past 10 years from 35000000 tons up to now almost 90000000 tons. In the pursuit of item quality at the same time stability, increase the yield, but in addition put forward higher needs for production equipment.
Non metallic mineral dry ultrafine grinding gear in China are primarily the Raymond mill, ring roll mill, vertical roller mill, ultrafine grinding. In recent years, the country vigorously promote energy-saving emission reduction policies, environmental protection type ultrafine mill emerge because the instances need. It can properly satisfy the solution machining operation is reputable, high yield, steady item high-quality, environmental protection and energy saving needs.
Ordinary vertical mill production of TSP products are under 600 meshes to 1250 meshes, cannot satisfy market demand scale production of ultrafine powder. Liming heavy industry fine vertical roller mill combined with years of numerous mill R & D and manufacturing experience, the machine can be directly grinding production 650 to powder, by adding two grading device, can produce 1500 objective ultrafine ground calcium carbonate. Liming heavy industry fine vertical mill is mainly used inside the ultrafine comminution, a fineness of 400-1500 mesh, production capacity of a single machine machine based on the demand of production can reach 8-18t/h.
Compared with the traditional vertical roller mill, ultrafine grinding has great superiority:
(1) from the ultra-fine item single production scale, production capacity impact mill, dry sand mill and ring roll mill are small, relatively speaking, vertical mill within the exact same circumstances, can obtain larger yield.
(2) the vertical mill in superfine GCC superfine processing, the biggest characteristic is to be able to lower power consumption, large scale production of TSP solutions.
(3) a new superfine vertical grinding can be a one-time production beneath 1500 mesh powder, especially 400-1000 coarse whiting item more obvious power saving effect.
The successful application of ultrafine mill system in the production of superfine coarse whiting field, proves the application value with high top quality and high performance inside the fields of the superfine grinding production. Therefore, the vertical mill is expected to become the main choice of non metallic mineral processing industry, the prospect is very broad.