In recent years, in the relevant vertical grinding technology is ripe day by day,[url=http://www.raymondmills.net/products/lum-vertical-roller-mill.html]vertical roller mill [/url]product technical advantages become increasingly prominent situation, actively learn from the successful experience of foreign countries,and constantly technology innovation through R & D team upgrade, launched with independent intellectual property rights of the vertical roller mill products.
Blast furnace slag (slag) is produced as a by-product in the process ofironmaking production. At present in China every year, pig iron output of more than 3 tons, the domestic average level of production 1 tons of pig iron to produce 0.4-0.6 tons of slag, throughout the year can produce about 1.3 tons of slag. In China, more than 50% of the slag used as mixed material for cement production, due to technological level raise, slag cement material to the development direction, whether from the economic benefit or theenvironmental benefits of speaking are very promising.
China’s relevant research institutions had in the 80’s to put forwardsuggestions on vigorously promote the vertical mill cement industry, as a kind of large grinding equipment ideal vertical mill, crushing, drying, grinding, setgrading conveying into a whole, high production efficiency, can be a powdery material required massive, granular and powdery raw material mill.
Compared with the ball (pipe) compared to the vertical mill grinding, has the remarkable superiority in the crushing principle and drying capacity, feeding suitability, metal wear and simplified system and other aspects, and has low noise and dust pollution, less investment and low energy consumption characteristics, has been widely used in cement, electric power, metallurgy,chemical, nonmetallic ore industry, especially the popularization and application of large-scale production system.
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