What is the fineness of ultrafine steel slag powder and which kind of mill is the most suitable

Ultrafine steel slag powder fineness is a steel slag mill to decide, grinding equipment finished product range is as big as its achievable fineness.

Steel slag is one of the main waste slag of iron and steel enterprises, and its emissions can reach 12% to 15% of the steel production, the amount of steel slag discharged in large piles, occupying land, polluting the surrounding water, soil, and a serious waste of resources. Steel slag and slag is also different, slag is the product of ore crushing and processing, while steel slag powder is the steelmaking slag produced inside the iron extraction of the remaining crushed product, steel slag crushing is worse, and contains a certain amount of metal iron particles, both difficult to break and difficult to grind, grinding efficiency is low, high power consumption, high cost of grinding, how to improve the grinding efficiency, reduce the power consumption of grinding, which has a direct impact on the comprehensive utilization level of steel slag resources. Comprehensive utilization level. At present, the grinding technology of steel slag has entered a fairly mature level, in the field of cement, concrete has a very important role.

Steel slag used in cement, concrete fineness requirements are not very fine, more in the 325 mesh or so, the fineness of the finished steel slag powder can be used in a lot of grinding equipment, such as Raymond mill, high-pressure mill, European version of the mill and so on can meet the fineness of the finished product under the requirements of the comparative price of Raymond mill is the most affordable, suitable for small and medium-sized processing plant, the product has been put into the market, the technology is mature, and in the price of the mill has an advantage that can not be replaced by other mill. Other mills can not be replaced by the advantages of high-pressure roller mill, although the price is high, but the technology is more advanced, easy to operate, long service life of grinding accessories, production can be said to be the most cost-effective, but also the current market sales of better grinding equipment, the European mill is different from the above two kinds of mill, European mill to take the high-end route, the equipment and technology level of the market advanced, the structure of the modeling equipment, fine, with automatic lubrication systems Can play a double effect of lubrication and cooling, automation ability is stronger, will soon occupy the entire grinding market in the future, but this equipment is not big market sales, because it is a patented product, many manufacturers do not have the production qualifications, in the purchase of caution, the three mills are suitable for steel slag in the cement, soil mixing applications for the most common machine.

If the fineness of steel slag powder requirements are higher, at this time the above three kinds of mills are not very suitable, ultra-fine powder processing selection of ultra-fine mill with stronger, ultra-fine steel slag powder can be up to 3,000 mesh or more, the normal use of the range of 400-3,000 mesh between the Moh's hardness of the following 6 levels of ore materials, but the industrial production of such fineness of steel slag powder dosage is less.

Therefore, if someone asks: ultra-fine steel slag powder fineness how much is not accurate enough, the fineness of different applications is not the same, in time, the same kind of mill can also be more demanding to produce a different size of powder fineness, steel slag in the cement, concrete in the largest dosage, the most widely used, this time the choice of Raymond mill, high-pressure grinding mill or European version of the mill is the most appropriate, specific and according to the actual output requirements and their own economic strength to judge.

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