MX9700047A - Wash conduit configuration in a screw centrifuge. - Google Patents

Wash conduit configuration in a screw centrifuge.

Info

Publication number
MX9700047A
MX9700047A MX9700047A MX9700047A MX9700047A MX 9700047 A MX9700047 A MX 9700047A MX 9700047 A MX9700047 A MX 9700047A MX 9700047 A MX9700047 A MX 9700047A MX 9700047 A MX9700047 A MX 9700047A
Authority
MX
Mexico
Prior art keywords
solids
washing liquid
sedimented
centrifugal apparatus
separated
Prior art date
Application number
MX9700047A
Other languages
Spanish (es)
Inventor
Vikram J Desai
John W Caldwell
Alan G Letki
Original Assignee
Amoco Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/475,044 external-priority patent/US5653673A/en
Application filed by Amoco Corp filed Critical Amoco Corp
Publication of MX9700047A publication Critical patent/MX9700047A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
    • B04B1/20—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B15/00—Other accessories for centrifuges
    • B04B15/12—Other accessories for centrifuges for drying or washing the separated solid particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
    • B04B1/20—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
    • B04B2001/2041—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl with baffles, plates, vanes or discs attached to the conveying screw

Abstract

Centrifugal apparatus (10) for the continuous separation of solids-liquid mixtures and the internal washing of separated solids is provided with one or more conduits (35) to deliver washing liquid into centrifugally sedimented solids tumbling and suspending these solids in washing liquid. A distal end of each wash conduit is positioned in close proximity to the inner surface (34) of the centrifuge bowl (12) near the conveyor blade (26) which is adapted to contact the solids upon separation and propel separated solids toward the solids discharge port. The invention includes centrifugal apparatus provided with plurality of cutting tools such as knife blades (62) adapted to cut and separate the sedimented solids. In another aspect of the invention centrifugal apparatus is provided with one or more dip weirs (42) dividing the centrifugally separated l,quid pool in the bowl into axially adjacent zones with a suitable passageway for tranfer of liquids and solids between adjacent zones. In another aspect of the invention at least a portion of the leading surface (23) of the conveyor blade is provided with an arcuate surface portion (27) adjacent to the distal edge thereof of defined concavity in the leading surface and shape adapted to contact the sedimented solids and tumbling them in washing liquid. This invention provides improved separation of mother liquor from discharged solids and/or reduction of washing liquid required to achieve desired purity of recovered solid product.
MX9700047A 1994-06-27 1995-06-23 Wash conduit configuration in a screw centrifuge. MX9700047A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US26624094A 1994-06-27 1994-06-27
US08/475,044 US5653673A (en) 1994-06-27 1995-06-07 Wash conduit configuration in a centrifuge apparatus and uses thereof
PCT/US1995/008982 WO1996000129A1 (en) 1994-06-27 1995-06-23 Wash conduit configuration in a screw centrifuge

Publications (1)

Publication Number Publication Date
MX9700047A true MX9700047A (en) 1997-04-30

Family

ID=26951722

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9700047A MX9700047A (en) 1994-06-27 1995-06-23 Wash conduit configuration in a screw centrifuge.

Country Status (6)

Country Link
EP (1) EP0765193A1 (en)
CN (1) CN1152264A (en)
AU (1) AU3131495A (en)
BR (1) BR9508132A (en)
MX (1) MX9700047A (en)
WO (1) WO1996000129A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5948256A (en) * 1997-08-22 1999-09-07 Baker Hughes Incorporated Centrifuge with cake churning
KR20090015771A (en) * 2007-08-08 2009-02-12 주식회사 동진쎄미켐 Filtering device and method of solid-liquid separation
CN103097032B (en) * 2010-06-15 2015-08-19 森特瑞斯公司 Forced air is utilized to promote the centrifugal liquid seperator that solid transmits
CN202185356U (en) * 2011-06-15 2012-04-11 江苏华大离心机制造有限公司 Magnetic settlement centrifuge
DE102017103069B4 (en) 2017-02-15 2023-03-23 Flottweg Se Solid bowl centrifuge screw
CN107721127B (en) * 2017-10-31 2020-09-11 平湖市万顺达机械有限公司 Sludge dewatering separator convenient to clean
CN110735628B (en) * 2018-07-19 2022-07-15 中石化广州工程有限公司 Full-bore pipeline type desanding device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3302873A (en) * 1964-02-21 1967-02-07 Pennsalt Chemicals Corp Centrifugal solids deliquefying and treating process and apparatus
DE1782428A1 (en) * 1968-08-30 1971-09-02 Kloeckner Humboldt Deutz Ag Solid bowl screw centrifuge
AR205952A1 (en) * 1975-01-03 1976-06-15 Pennwalt Corp A DECANTER CENTRIFUGE
US4449967A (en) * 1982-06-17 1984-05-22 Pennwalt Corporation Conveyor flight configuration
GB8328894D0 (en) * 1983-10-28 1983-11-30 Broadbent & Sons Ltd Thomas Decanting type centrifuges
US4654022A (en) * 1986-01-31 1987-03-31 Pennwalt Corporation Rinsing on a solid bowl centrifuge
DE3624536A1 (en) * 1986-07-19 1988-01-21 Kloeckner Humboldt Deutz Ag SNAIL CENTRIFUGE
WO1992005877A1 (en) * 1990-09-27 1992-04-16 Conoco Specialty Products Inc. Countercurrent washing of solids in a decanter centrifuge

Also Published As

Publication number Publication date
BR9508132A (en) 1997-09-02
CN1152264A (en) 1997-06-18
AU3131495A (en) 1996-01-19
EP0765193A1 (en) 1997-04-02
WO1996000129A1 (en) 1996-01-04

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