A cement mill, also known as cement grinding mill and cement
ball mill, is the equipment used to grind the hard and nodular clinker from the cement kiln into the fine grey powder that is cement. Most cement is currently ground in cement ball mills and also vertical roller mills which are more effective than ball mills. Cement mill can be divided into large and small cement mill.
The materials are feed cement grinding mill, part of powdery materials from the cement mill grinding head feed inlet flange, blankets and a feed hopper connected between the slit runs out, causing the pollution and powder particles into the bearing the failure phenomenon. Cement mill tail ash mainly due to spit:
1. powder selection machine load rate, feed rate than the spiral drum conveyor height, back material not timely access to the cement mill, cement mill tailing stacking corner cracks. The seal gap is stacked material and helical end movement to bring outward pressure, cause cement mill tailing ash leakage.
2. to improve the grinding body average ball diameter or by increasing the load to improve the output of cement mill this approach itself is unreasonable, the filling material of high level, far more than the helical blade height, the spiral cylinder material accumulation, resulting in leakage of ash.
3. blankets and into the hopper of mutual friction, there will be cracks, a feed hopper ( receiving tube ) inverted cone with a space, this material transportation difficulties, will produce the retention and return material, provided the precondition for leakage of ash.
4. the material level is higher than the spiral blade height, when the feed velocity exceeds the conveying speed is high, a helical blade part of the material into the
cement grinding mill velocity decreases, not timely input of cement mill, powder will spill out.
5. cement miller operation under positive pressure or negative pressure operation of improper operation, so that thecement mill tail ash overflow.
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info@sinoftm.com.
cement mill:
http://www.fotechina.com/building_materials_equipment/cement_mill.html
