Improve Ball Mill Grinding Fineness Skills
Grinding costs are part of the higher concentration plant
, how to effectively and reasonably
control the grinding fineness dressing directly reduce costs, increase economic benefit of
important factors. Because the grinding fineness, is one of the many factors affecting
mineral indicators, size of grinding fineness directly affect the level of concentrate grade
and recovery of the product. Therefore, the
Ball Mill technical operation is extremely important.
We must first fully understand the grinding fineness factor. To sum up, grinding fineness
impact factors: ore hardness, crushing grain size, lattice screen mesh, to the ore size,
mill type, number of steel ball, ball size ratio, ball mill liner wear, ball speed,
classifier speed, grading machine spindle lifting height, grading blade wear, the overflow
weir level classification, classifier under the opening height, opening size of the next
classifier, classifier on the opening height, grading machine on the opening size, flow back
to office the size of sand, water ball size, ball row flush the mouth size of mine.
Understanding of all these factors in the production operation, we have to conduct a search
of a find the best adjustment factor.Ore ore hardness: different ores, its hardness is not
the same, this factor is relative to the same ore is fixed and can not be adjusted. But in
production, technical requirements in the beneficiation process under the premise can be
reasonable with mine, even as much as possible so that the size of ore, bulk, powder ore
ratio of stable and reasonable. In addition to the mine office at the mill belt, belt wear
and tear may be missed as time deposits, leave out the majority of cases, powder ore, ore to
be missed this part of the supplement added to the ball as much as possible in a timely
manner, if the long stack, focused add, will result in ore milled to a uniform, causing the
production of instability. Particularly difficult dressing, often the nature of powder
minerals and mineral blocks are differentGrading machine spindle lifting height, also affect
the amount of sand and back to grinding fineness is an important factor. Normal production
requirements, grading machine spindle into place. Some workers in the Concentrator milling
equipment maintenance, due to the sands grading machine does not clean up, set in a long
time under Shen, Shen sludge more real, the delegation of grading machine spindle, because
no careful not to spindle put down completely, resulting in the amount of sand back to less
than normal. Also do not drop spindle axis may also be due to long time to clean oil, so it
should be noted during the operation.Broken grain size, lattice screen sieve adjustment
concerns the construction, milling work on the broken system must be monitored, if the mill
to the mine in production in the grain size changes, must be immediately reflected in the
crushing plant. Eventually require the more detailed the better granularity.
by: grinding mill
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