Vertical Roller Mill
Vertical roller mill is based on the extensive use of advanced technology, combined with years of experience in producing various raw mill vertical milling machine, the design and development of advanced grinding equipment. It is a set of crushing, drying, grinding, milling grade transport industry in one of the ideal equipment. It can be widely used in cement, power, metallurgy, chemicals, non-metallic mineral industries. It is used to massive, granular and powdered materials ground into powder material required.
Classification Of Vertical Roller Mill
LUM series vertical roller mill: LUM series vertical roller mill is Zenith to 30 years four generations of mill R & D and manufacturing experience-based, LM vertical roller mill is based on the introduction of the German ultra-fine grinding vertical roller mill technology, design and development of a new ultra-fine grinding device can be widely used as calcite, marble, limestone, GCC, talc, barite, dolomite and other non-metallic mineral processing ultra-fine grinding, it is a large-scale construction of non-metallic mineral milling device of choice.
LM series vertical roller mill: LM series vertical roller mill, is a large milling equipment. It is commonly used raw material for cement manufacturing, so called lime vertical milling machine. Of course, LM vertical roller mill is not limited to the use of limestone milling machining, it can be used to produce chemical milling, ceramics, slag, slag and other materials. These materials are essential for metallurgy, aerospace, electronics, construction, refractory materials, machinery and other industries, and be able to form a complete organic chain.
Vertical Roller Mill Feature
Interpretation of vertical roller mill working principle: Material through the spiral feeder falls in the middle of the mill, through the host drive reducer drives the grinding disc to rotate and generate the centrifugal force, so that the material is moving uniformly to the periphery of the disc, when the material through the grinding roller area by roller compaction, the bulk material is crushed, the smaller particles are squeezed and formation of bed material inter particle crushing. After being crushed material continue to move to the edge of the grinding disc, airflow from the inlet into the into the powder selecting machine grading, in the powder selecting machine blade, does not meet the particle size of the powder into the disc re grinding, reached through standard powder powder selecting machine with the airflow into the pulse dust collector to collect, collect the draining powder is refined powder. Material mixed with iron and other impurities, due to the difficult to grinding and its gravity, through the edge of the grinding disc and cannot be airflow away and fall into the mill in the inferior vena cava, was scraping plate sent to spit out the dregs of export, discharge the external host.
Vertical roller mill automatic control system: In recent years, programmable logic controller (PLC) are increasingly being used in the control machinery and equipment, it has a small size, light weight, strong anti-interference ability, high reliability. With the rapid growth of production plant automation and process automation decentralized structure, the application of PLC's increasingly common for the development of heavy machinery products distributed control system design, commissioning provides a great convenience. Vertical roller mill that I plant on the basis of West German technology, plant design by our own design and development staff of large cement raw mill. This vertical roller mill comparison with conventional tube mill has the following advantages: low power consumption, high efficiency dry out, large size into the mill, tube mill smaller than the noise about 10 decibels, infrastructure investment can save about 30%. We use in the design of vertical roller mill control system German Siemens company's S7-300PLC, CPU315-DP fieldbus as the primary control device. After commissioning meet the design requirements.
Vertical roller mill in cement mill Application: In recent years, 5000t / d and above grade cement production line has become the leading cement industry, in-line production forward large-scale development, the new domestic raw material grinding lines have been used in all vertical roller mill equipment. Future product development and design of vertical roller mill capacity will be higher goal, each unit will be designed and manufactured around the vertical roller mill production capacity, equipment, energy consumption, production costs and operational reliability expand technological competition. High productivity, low energy consumption, high reliability and large vertical mill will be the future trend.
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