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Title:
METHOD FOR REMOVING PARTICLE SUSPENDED IN CONTAMINATED OIL IN CENTRIFUGAL SEPARATOR
Document Type and Number:
Japanese Patent JP2011032477
Kind Code:
A
Abstract:

To separate two liquid phases different in density from each other in a centrifugal separator.

Before the contaminated oil is supplied to a separation chamber 6, the separation chamber 6 is pre-charged with a starting liquid being water or a liquid separation aid so that a liquid seal for covering a heavy phase outlet 10 is formed in a centrifugal rotor 2. Then, the contaminated oil and the liquid separation aid are supplied into the separation chamber 6 and at least a part of the starting liquid and particles are discharged together with the liquid separation aid separated from the oil from the separation chamber 6 through the heavy phase outlet 10. The liquid separation aid has the density higher than that of the contaminated oil, is not dissolved in the contaminated oil, is a liquid polymer and is dissolved in water or includes water.


Inventors:
WASE CLAES
Application Number:
JP2010189768A
Publication Date:
February 17, 2011
Filing Date:
August 26, 2010
Export Citation:
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Assignee:
ALFA LAVAL CORP AB
International Classes:
C10M175/00; C10G31/10; C10M101/02; B04B1/08; C10N20/00; C10N40/16; C10N40/25
Domestic Patent References:
JP4620470B22011-01-26
JPH01189357A1989-07-28
JPS601294A1985-01-07
JPS4742805A
JPS6427655A1989-01-30
JPS61283364A1986-12-13
JPH09505622A1997-06-03
JP4620470B22011-01-26
JPH01189357A1989-07-28
JPS601294A1985-01-07
JPS4742805A
JPS6427655A1989-01-30
JPS61283364A1986-12-13
JPH09505622A1997-06-03
Attorney, Agent or Firm:
Akio Miyazaki
Ishibashi Masayuki
Masaaki Ogata



 
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