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Conical plate centrifuge
Conical plate centrifuge (also known as disc bowl centrifuge or disc stack separator) is a type of centrifuge that has a series of conical discs which provides a parallel configuration of centrifugation spaces.
The conical plate centrifuge is used to remove solids (usually impurities) from liquids or to separate two liquid phases from each other by means of an enormously high centrifugal force. The denser solids or liquids which are subjected to these forces move outwards towards the rotating bowl wall while the less dense fluids moves towards the centre. The special plates (known as disc stacks) increase the surface settling area which speeds up the separation process. Different stack designs, arrangements and shapes are used for different processes depending on the type of feed present. The concentrated denser solid or liquid is then removed continuously, manually or intermittently, depending on the design of the conical plate centrifuge.〔(online available : http://www.alfalaval.com/industries/food-dairy-beverages/food/Documents/PCHS00022%20Disc%20Stack%20Centrifuges.pdf)(10th October 2013 )〕 This centrifuge is very suitable for clarifying liquids that have small proportion of suspended solids.〔
==Basic fundamentals==
The centrifuge works by using inclined plate settler principle. A set of parallel plates of tilt angle, θ with respect to horizontal plane is installed to greatly reduce the distance of the particle settling. The reason for the tilted angle is to allow the settled solids on the plates to slide down by gravitational force so they do not accumulate and clog the channel formed between adjacent plates.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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