Technological Superiorities of Separation Process
已有 288 次阅读 2012-11-03 10:40The innovative recovery separation process of Henan Hongxing Mining Machinery
Co., Ltd. is especially applicable for the dehydration of coal slime. It adopts
heavy-medium cyclone. Tailings of magnetic separator
are classified by the sieve band, and backwater is dealt by the floatation
process. Coal slurry and floatation froth are carried by bowl centrifuge to
recycle fine particles of 0.045mm. Coal slime whose size is under 0.045mm is
recycled by pressure filter, while the filtering medium of centrifuge flows into
the filter. The particle size makes a big difference to the performance of
screen bowl centrifuge. Manufacturers at home and aboard reach an agreement that
operators should control the proportion of fine particles under 40% in the
mixture. If not, it easily causes products to block the discharge gate and
affect its performance. So operators should mix the coal slime on the sieve bend
with the floatation froth. Two advantages of that method are as follows. It can
improve the performance of LWZ series centrifuge obviously; you need not to use
a centrifuge which is specially for the dewatering of coal slurry, simplifying
the technological process and saving investment.
In the separation process,
the bowl centrifuge plays a key role.
1. The moisture of final products is
very low, less than 15.24%.The miscellany rate of liquid is only 5.39%, that is,
94.61% of liquid in the slurry has been discharged.
2. The recovery rate of
solid can achieve to 86.91%, which is a satisfactory index.
3. Dehydration
equipment in coal-separation plants belongs to the scope of solid-liquid
separator. Its technological effect should be evaluated from two aspects: the
rate of recovery of solid products and the miscellany rate of liquid. When
looking at the dewatering efficiency of bowl centrifuge, we should take the two
indexes together. Experiments have improved that the dewatering efficiency of
our machine has achieved to 81.52%. Hongxing Company is proud of its excellent
efficiency for dewatering coal slurry whose size exceeds 0.045mm.
Henan
Hongxing Mining Machinery Co., Ltd. is famous in mining industry, and its
products, such as magnetic separator, Flotation machine, etc, have been widely
used in many mining sites and get high praise from their users.
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table : http://www.hxjqcrusher.com/137.htm
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