Ball mill is the application of the highest rates of China cement industry important grinding equipment. There are many influence factors on the yield and quality of ball grinder, the practice proved: various cement enterprise according to actual production condition, after certain measures of technical renovation, production capacity is much higher than that of ball mills.
1, the grain size of grinding material. As a result of the shaft kiln cement ball grinding mill small specification, so that the grinding material particle size and the size of the output and quality of mill is very large, small particle size, ball grinder production, high quality, low power consumption; Particle size of ball grinding mill is large, the ball grinder production, low quality, and high power consumption.
2, material of grinding in ball grinder. Material of grinding, it is to point to the material being grinding, to the difficulty of the use of national standard Wi crushing function indices (KWH/t) said.The smaller the value, the better grinding materials, whereas the more difficult to grind. Cement plant habit use relatively easy grinding coefficient, to indicate to the difficulty of the material being grinding.It is refined using experiment, to the material being measured, compared with that of standard sand fineness regulation value, calculate the grinding time, the same as the standard sand grinding time is 1, greater than 1 hard grinding;Less than 1 easy to grind; The bigger the ratio of the more difficult it is to grinding, grinding as small as possible.
3, water into the grinding material.For dry grinding, the grinding material of great influence on water quality of mill production, and the grinding material moisture content is higher, easy to cause full or paste grinding, reduce grinding efficiency, the lower the mill production. Therefore, the water cut of the larger material, into the ground before drying is very necessary.
4, the temperature of material into the ground. Into the grinding materials of high temperature plus the impact of the grinding medium friction, can make the grinding temperature, glue ball occur, reduce grinding efficiency, impact mill production. At the same time mill cylinder heated inflation impact mill long-term safe operation.So we must strictly control the final temperature.
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basalt mining: http://www.chinaquarry.com/news_show/mining.html
With flexible convery belt material carries the continuous conveying machinery and traction components. Surrounded by an endless conveyor belt drive drum and redirection roller. Branch of the up and down between the two rollers in a number of roller bearing.Material placed on the branches, the use of the friction between the driving drum and belt traction belt and material. convery belt is Suitable for horizontal conveying grain materials and sloping direction and items, also can be used to undertake a certain process operation of the assembly line.Simple structure, stable and reliable work, high adaptability for the material, large conveying capacity, low consumption,so the mining belt equipment is used widely.
General belt conveyor has fixed, mobile, reversible and telescoping. 1) stationary frame fixed position (see image).Applicable to the material from one place to several, or from multiple sources charge to one place. (2) mobile rack wheels and Angle adjusting mechanism.For special occasions delivery location is not fixed. For loading and unloading, stacking or delivery.In addition to the single use, can also be more machine connection using, with longer transmission distance. (3) reversing the conveyor belt running direction can make positive and negative direction change.(4) the telescopic racks scalable.These two type used for stocking yard more unloading machine, used for stacking and expanding the scope of the piled material on both sides.
From the 60 s, was to big capacity, long distance mining belt equipment , large dip Angle and direction of the high speed development, appeared a lot of special belt conveyor, such as high strength steel wire rope as the core of the belt conveyor, wire rope traction convery belt, this mining belt equipment air cushion belt conveyor and so on.
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ore elevator machine: http://www.crushing-mill.com/bucket-elevator/
Roller crusher, which is also known as double roll crusher and teeth roll crusher, is mainly supported by the roller assembly, the roller bearing, pressure, and adjusting device and driving unit and other parts.Two roller wheel fixed on the two axis respectively by key, each have a set of bearings on both ends of the shaft, the fixed wheel bolted on the rack, active wheel is equipped with safety spring and sliding bearing box. Wheel is used to adjust the clearance is finished product granularity or when falling into a metal debris between the two roll wheel, activities of the roller can move laterally, so as to not damage the equipment. But do you know How to Adjust Discharging Granularity of Roll Crusher?
The adjustment of the discharging granularity about teeth roll crusher is in the following: With a wedge or gasket between the two roller adjustment device, adjusting bolt, wedge at the top of the device when the adjusting bolt will wedge pulled up, wedge rolling activity to the top from the fixed wheel, namely two roller clearance greatens, discharging granularity, when the wedge downward, activities under the action of the roller in a compression spring two rounds of smaller clearance, discharge size smaller. Gasket device of teeth roll crusher is through the increase or decrease in the number of gasket to regulate the partical size or thickness, when add gasket two roller clearance, discharging granularity, when reduce the gasket two roll gap become smaller, the partical size. In addition, the driving mechanism of roller crusher. By the two motor, through triangle belt transmission to the Geneva wheel to drive the roller, according to the relative rotation direction, greatly improve the capacity. In the crushing material, material from the feed port, through the roller, the rolling surface broken, broken after the finished product out from beneath the chassis.
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crusher mobile: http://www.ball-mill-china.com/products/mobile_crushing_station.html