Title:
SCREEN BOWL CENTRIFUGE AND METHOD
Document Type and Number:
WIPO Patent Application WO/2012/178009
Kind Code:
A3
Abstract:
A screen bowl centrifuge having first and second conically diverging screen sections. And a method of separating solids from liquid of a slurry includes feeding a slurry from a conveyor hub (14) to a cylindrical section (6) of a bowl (4)extending about the conveyor hub; scrolling the solids along the cylindrical section in a first direction and a majority of the liquid in a second direction opposite the first direction using at least one helical blade (16) extending from the conveyor hub; and sliding the solids from the cylindrical section along a conically diverging screen section of the bowl that includes a first conically diverging section (11) and a second conically diverging section(13), the first conically diverging section extending at a first angle (41) to the axis and the second conically diverging section extends at a second angle (43) to the axis, and the first angle is different from the second angle.
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Inventors:
QUINN TIMOTHY S (US)
REICHENBACH MICHAEL (DE)
REICHENBACH MICHAEL (DE)
Application Number:
PCT/US2012/043750
Publication Date:
February 14, 2013
Filing Date:
June 22, 2012
Export Citation:
Assignee:
ANDRITZ SEPARATION INC (US)
QUINN TIMOTHY S (US)
REICHENBACH MICHAEL (DE)
QUINN TIMOTHY S (US)
REICHENBACH MICHAEL (DE)
International Classes:
B04B3/04
Domestic Patent References:
| WO2009120834A1 | 2009-10-01 |
Foreign References:
| JP2003071324A | 2003-03-11 | |||
| US3419148A | 1968-12-31 | |||
| US3424312A | 1969-01-28 |
Attorney, Agent or Firm:
NELSON, Jeffry, H. (901 North Glebe Road 11th Floo, Arlington VA, US)
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