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Difference between revisions of "Filter Centrifuges"
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[[Category:Filtration]]{{Knoppen}} | [[Category:Filtration]]{{Knoppen}} | ||
[[File:Filter_Centrifuges_01.jpg|thumb|right|Filter Centrifuge]] | [[File:Filter_Centrifuges_01.jpg|thumb|right|Filter Centrifuge]] | ||
[[File:Filter_Centrifuges_02.jpg|thumb|right|Filter Centrifuge]] | [[File:Filter_Centrifuges_02.jpg|thumb|right|Filter Centrifuge]] | ||
'''Filter Centrifuges''' separate liquids from solids by means of centrifugal forces. | |||
==Process Cycle== | ==Process Cycle== | ||
A typical process cycle for a batch filtering centrifuge comprises the following 7 steps : | A typical process cycle for a batch filtering centrifuge comprises the following 7 steps : | ||
# '''Accelerate to feed speed''': The basket is accelerated to a speed suitable for feeding. | # '''Accelerate to feed speed''': The basket is accelerated to a speed suitable for feeding. | ||
# '''Feeding''': The feed solid - liquid suspension is added to the basket via feed pipe. | # '''Feeding''': The feed solid - liquid suspension is added to the basket via feed pipe. | ||
# '''Accelerate to spin speed''': Accelerate the basket to a high rpm to produce a high ‘G’ to drive the filtration process. | # '''Accelerate to spin speed''': Accelerate the basket to a high rpm to produce a high ‘G’ to drive the filtration process. | ||
# '''Washing''': If required the filter cake is washed via wash pipe. | # '''Washing''': If required the filter cake is washed via wash pipe. | ||
# '''Drying''': Continue spinning at high ‘G’ to dry the filter cake. The filtrate leaves via outlet. | # '''Drying''': Continue spinning at high ‘G’ to dry the filter cake. The filtrate leaves via outlet. | ||
# '''Deceleration''': Slow the basket to a speed suitable for cake discharge. | # '''Deceleration''': Slow the basket to a speed suitable for cake discharge. | ||
# '''Discharge''': Discharge the cake through the bottom of the basket using the plough mechanism. | # '''Discharge''': Discharge the cake through the bottom of the basket using the plough mechanism. | ||