CA2419997A1 - Conveyor for a centrifuge and method of separation - Google Patents

Conveyor for a centrifuge and method of separation Download PDF

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Publication number
CA2419997A1
CA2419997A1 CA002419997A CA2419997A CA2419997A1 CA 2419997 A1 CA2419997 A1 CA 2419997A1 CA 002419997 A CA002419997 A CA 002419997A CA 2419997 A CA2419997 A CA 2419997A CA 2419997 A1 CA2419997 A1 CA 2419997A1
Authority
CA
Canada
Prior art keywords
centrifuge
conveyor
separation
support
therefor
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA002419997A
Other languages
French (fr)
Other versions
CA2419997C (en
Inventor
Richard James Koch
Subrata Mitra
Kenneth Wayne Seyffert
John Patrick Wright
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Varco IP Inc
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Publication of CA2419997A1 publication Critical patent/CA2419997A1/en
Application granted granted Critical
Publication of CA2419997C publication Critical patent/CA2419997C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04BCENTRIFUGES
    • B04B1/00Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
    • B04B1/20Centrifuges 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
    • B04B1/2016Driving control or mechanisms; Arrangement of transmission gearing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04BCENTRIFUGES
    • B04B1/00Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
    • B04B1/20Centrifuges 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04BCENTRIFUGES
    • B04B1/00Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
    • B04B1/20Centrifuges 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
    • B04B2001/2033Centrifuges 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 feed accelerator inside the conveying screw
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04BCENTRIFUGES
    • B04B1/00Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
    • B04B1/20Centrifuges 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
    • B04B2001/2041Centrifuges 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04BCENTRIFUGES
    • B04B1/00Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
    • B04B1/20Centrifuges 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
    • B04B2001/2058Centrifuges 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 ribbon-type screw conveyor

Abstract

A conveyor (40) for a centrifuge (10; 210), the conveyor comprising a thread (41), a support (49) therefor, and a plurality of open areas (51) that (a) extend along a substantial portion of the length of the support and (b) through which feed material to be treated by the centrifuge (10; 210) can pass.
CA002419997A 2000-08-31 2001-08-31 Conveyor for a centrifuge and method of separation Expired - Lifetime CA2419997C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/652,418 US6605029B1 (en) 2000-08-31 2000-08-31 Centrifuge with open conveyor and methods of use
US09/652,418 2000-08-31
PCT/GB2001/003891 WO2002018055A1 (en) 2000-08-31 2001-08-31 Conveyor for a centrifuge, centrifuge and method of separation

Publications (2)

Publication Number Publication Date
CA2419997A1 true CA2419997A1 (en) 2002-03-07
CA2419997C CA2419997C (en) 2007-01-09

Family

ID=24616761

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002419997A Expired - Lifetime CA2419997C (en) 2000-08-31 2001-08-31 Conveyor for a centrifuge and method of separation

Country Status (8)

Country Link
US (1) US6605029B1 (en)
EP (4) EP1475155A1 (en)
AT (1) ATE294022T1 (en)
AU (1) AU2001286037A1 (en)
CA (1) CA2419997C (en)
DE (2) DE60128493T2 (en)
NO (1) NO20030775L (en)
WO (1) WO2002018055A1 (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7018326B2 (en) * 2000-08-31 2006-03-28 Varco I/P, Inc. Centrifuge with impellers and beach feed
US6790169B2 (en) * 2000-08-31 2004-09-14 Varco I/P, Inc. Centrifuge with feed tube adapter
US6780147B2 (en) * 2000-08-31 2004-08-24 Varco I/P, Inc. Centrifuge with open conveyor having an accelerating impeller and flow enhancer
US20050242003A1 (en) 2004-04-29 2005-11-03 Eric Scott Automatic vibratory separator
US8312995B2 (en) 2002-11-06 2012-11-20 National Oilwell Varco, L.P. Magnetic vibratory screen clamping
US20060105896A1 (en) * 2004-04-29 2006-05-18 Smith George E Controlled centrifuge systems
US8172740B2 (en) 2002-11-06 2012-05-08 National Oilwell Varco L.P. Controlled centrifuge systems
US20050245381A1 (en) * 2004-04-30 2005-11-03 National-Oilwell, L.P. Centrifuge accelerator system
CA2505236C (en) * 2005-04-25 2007-11-20 Edward Carl Lantz Centrifuge with shaping of feed chamber to reduce wear
DE102005025784A1 (en) * 2005-06-04 2006-12-07 Hiller Gmbh screw centrifuge
US7540838B2 (en) * 2005-10-18 2009-06-02 Varco I/P, Inc. Centrifuge control in response to viscosity and density parameters of drilling fluid
US7540837B2 (en) * 2005-10-18 2009-06-02 Varco I/P, Inc. Systems for centrifuge control in response to viscosity and density parameters of drilling fluids
US20080083566A1 (en) 2006-10-04 2008-04-10 George Alexander Burnett Reclamation of components of wellbore cuttings material
US7985171B2 (en) * 2006-11-27 2011-07-26 Maxwell James F Continuous loading and unloading centrifuge
US8622220B2 (en) 2007-08-31 2014-01-07 Varco I/P Vibratory separators and screens
US9073104B2 (en) 2008-08-14 2015-07-07 National Oilwell Varco, L.P. Drill cuttings treatment systems
US9079222B2 (en) 2008-10-10 2015-07-14 National Oilwell Varco, L.P. Shale shaker
US8556083B2 (en) 2008-10-10 2013-10-15 National Oilwell Varco L.P. Shale shakers with selective series/parallel flow path conversion
EP2767344B1 (en) * 2013-02-15 2015-07-29 Alfa Laval Corporate AB Smoothly accelerating channel inlet for centrifugal separator
US9643111B2 (en) 2013-03-08 2017-05-09 National Oilwell Varco, L.P. Vector maximizing screen
DE102014111104B4 (en) * 2014-08-05 2021-11-04 Flottweg Se Auger of a solid bowl centrifuge
PL3106230T3 (en) * 2015-06-19 2020-08-10 Andritz S.A.S. Decanter centrifuge
USD928856S1 (en) * 2019-06-11 2021-08-24 Henan Changda Bee Industry Co., Ltd Gearbox for honey centrifuge
DE102019135226A1 (en) * 2019-12-19 2021-06-24 Flottweg Se Inlet area of a centrifuge screw and solid bowl screw centrifuge
US11772104B2 (en) * 2020-06-22 2023-10-03 National Oilwell Varco, L.P. Decanter centrifuge nozzle
DE102021106496A1 (en) 2021-03-17 2022-09-22 Gea Westfalia Separator Group Gmbh Solid bowl centrifuge

Family Cites Families (82)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1053222A (en)
DE193997C (en)
US832191A (en) * 1905-07-07 1906-10-02 Wilhelm Holzer Centrifugal separator.
FR384326A (en) * 1907-11-25 1908-04-04 Wilhelm Holzer Centrifugal apparatus
US924376A (en) * 1908-08-11 1909-06-08 John Warne Phillips Centrifugal separator.
US1027134A (en) * 1911-10-23 1912-05-21 Francis J Arend Mechanical movement for producing a differential speed between driving and driven members.
US1572299A (en) * 1923-06-18 1926-02-09 Fred W Mcentire Centrifugal separator
US1806241A (en) * 1929-03-09 1931-05-19 Dupuis Fernand Centrifugal separator
US1885154A (en) 1930-08-08 1932-11-01 Laval Separator Co De Process of producing concentrated and purified rubber latex
US2129992A (en) * 1937-04-09 1938-09-13 Mattia Anthony De Centrifugal separator
US2578456A (en) 1946-07-31 1951-12-11 Centrifuge Mechanical Equipmen Centrifugal separator
US2679974A (en) * 1947-01-15 1954-06-01 Sharples Corp Bearing construction for continuous centrifuge
US2703676A (en) 1947-01-15 1955-03-08 Sharples Corp Solids discharge mechanism for centrifuges
US2612314A (en) 1949-03-28 1952-09-30 Lewis L Huelsdonk Centrifuge
GB726596A (en) 1952-05-14 1955-03-23 Separator Ab Improvements in or relating to centrifuges for separating, sludge containing liquids
US2961154A (en) 1955-08-01 1960-11-22 Houston Oil Field Mat Co Inc Centrifuge system
US3070291A (en) 1955-08-01 1962-12-25 Houston Oil Field Maternal Com Centrifuge system
BE638716A (en) 1962-10-16
DK118068B (en) 1968-01-10 1970-06-29 Titan Separator As Centrifuge.
US3795361A (en) 1972-09-06 1974-03-05 Pennwalt Corp Centrifuge apparatus
US4000074A (en) 1974-09-20 1976-12-28 The United States Of America As Represented By The Secretary Of The Army Centrifuge having an inner, invertible, funnel-like container
AR205952A1 (en) 1975-01-03 1976-06-15 Pennwalt Corp A DECANTER CENTRIFUGE
DE2551789A1 (en) 1975-11-18 1977-06-02 Flottweg Werk Bruckmayer FULLY-SLEEVED SCREW CENTRIFUGE WITH DIFFERENTIAL SPEED-VARIABLE COUPLING BETWEEN SHEATH PART AND SCREW PART
US4070290A (en) 1976-03-04 1978-01-24 Bird Machine Company, Inc. Centrifuge with torsional vibration sensing and signaling
SU644542A1 (en) * 1977-04-11 1979-01-30 Московский технологический институт мясной и молочной промышленности Centrifuge
GB1583517A (en) 1977-05-04 1981-01-28 Jackson J F Solid bowl decanter centrifuges of the scroll discharge type
US4298160A (en) 1977-05-24 1981-11-03 Thomas Broadbent & Sons Limited Solid bowl decanter centrifuges
DE2842575A1 (en) 1977-10-04 1979-04-12 Broadbent & Sons Ltd Thomas FULL CASE DETERMINATION CENTRIFUGE
SU797778A1 (en) 1977-10-26 1981-01-23 Предприятие П/Я А-7555 Conical tray to separator
JPS54139167A (en) * 1978-03-23 1979-10-29 Kobe Steel Ltd Axial-flow decanter-shaped centrifugal separator
DE2849547A1 (en) 1978-11-15 1980-05-22 Kloeckner Humboldt Deutz Ag SNAIL CENTRIFUGE
DK153058C (en) 1979-02-23 1988-11-07 Alfa Laval Separation As DECANTER CENTRIFUGGE WITH A MECHANICAL REDUCTION GEAR BETWEEN THE CENTRIFUGUE DRUM AND TRANSPORT SEAL
US4209128A (en) 1979-04-06 1980-06-24 Yara Engineering Corporation Methods and apparatus for classifying fine particle solids
AU538688B2 (en) 1979-10-20 1984-08-23 Klockner-Humboldt-Deutz Aktiengesellschaft Discharge control device for centrifuge
DE3005658A1 (en) * 1980-02-15 1981-10-01 Klöckner-Humboldt-Deutz AG, 5000 Köln METHOD AND SYSTEM FOR CONTROLLING THE DIFFERENTIAL SPEED OF TWO COMPONENTS WITH DIFFERENT SPEED, IN PARTICULAR OF CENTRIFUGAL DRUM AND CONVEYOR SCREW OF A SCREW CENTRIFUGE
CH647959A5 (en) 1980-05-16 1985-02-28 Glyco Antriebstechnik Gmbh DECANTER CENTRIFUGE WITH HYDRAULIC DIFFERENTIAL DRIVE.
DE3027020A1 (en) 1980-07-17 1982-02-04 Klöckner-Humboldt-Deutz AG, 5000 Köln FULL-COVERED CENTRIFUGE FOR SUBSTITUTE EXCHANGE BETWEEN LIQUIDS
US4334647A (en) 1980-12-03 1982-06-15 Bird Machine Company, Inc. Centrifuges
US4743226A (en) 1983-04-29 1988-05-10 Geosource Inc. High capacity continuous solid bowl centrifuge
DE3502252A1 (en) * 1985-01-24 1986-07-24 Klöckner-Humboldt-Deutz AG, 5000 Köln METHOD AND DEVICE FOR REGULATING THE DIFFERENTIAL SPEED BETWEEN THE CENTRIFUGAL DRUM AND THE CONVEYOR SCREW OF A SCREW CENTRIFUGE
DE4005755A1 (en) * 1989-10-17 1991-04-18 Kloeckner Humboldt Deutz Ag FULL-COVERED SNAIL CENTRIFUGE
US4961722A (en) 1989-11-30 1990-10-09 Guyan Machinery Co. Conical screen for a vertical centrifugal separator
US5374234A (en) * 1990-03-13 1994-12-20 Alfa-Laval Separation A/S Decanter centrifuge with energy dissipating inlet
GB9013371D0 (en) 1990-06-15 1990-08-08 Broadbent & Sons Ltd Thomas Improvements in separating systems
US5203762A (en) 1990-12-20 1993-04-20 Alfa-Laval Separation, Inc. Variable frequency centrifuge control
US5147277A (en) 1991-03-19 1992-09-15 Baker Hughes Incorporated Power-efficient liquid-solid separating centrifuge
JPH05208145A (en) * 1991-08-22 1993-08-20 Mitsuo Okamoto Guide plate type decanter
WO1993010905A1 (en) 1991-11-27 1993-06-10 Baker Hughes Incorporated Feed accelerator system including feed slurry accelerating nozzle apparatus
US5401423A (en) 1991-11-27 1995-03-28 Baker Hughes Incorporated Feed accelerator system including accelerator disc
US5380266A (en) 1991-11-27 1995-01-10 Baker Hughes Incorporated Feed accelerator system including accelerator cone
US5403486A (en) 1991-12-31 1995-04-04 Baker Hughes Incorporated Accelerator system in a centrifuge
EP0618845B1 (en) 1991-12-31 1998-09-02 Baker Hughes Incorporated Feed accelerator system including accelerating vane apparatus
DE4391528T1 (en) * 1992-04-10 1995-02-23 Warman Int Ltd Device for separating materials
US5378364A (en) 1992-09-14 1995-01-03 Baker Hughes Incorporated Conical screen basket centrifuge
US5354255A (en) 1992-12-17 1994-10-11 Alfa Laval Separation Inc. Decanter centrifuge with conveyor capable of high speed and higher flow rates
US5403260A (en) 1993-06-04 1995-04-04 Hutchinson-Hayes International Automatic frequency controlled motor backdrive
US5364335A (en) 1993-12-07 1994-11-15 Dorr-Oliver Incorporated Disc-decanter centrifuge
AU3867195A (en) 1994-11-09 1996-06-06 Incentra Decanter centrifuge
AUPN314095A0 (en) 1995-05-23 1995-06-15 Commonwealth Scientific And Industrial Research Organisation A process and apparatus for dewatering of coal and mineral slurries
US5643169A (en) 1995-06-06 1997-07-01 Baker Hughes Incorporated Decanter centrifuge with adjustable gate control
US5695442A (en) 1995-06-06 1997-12-09 Baker Hughes Incorporated Decanter centrifuge and associated method for producing cake with reduced moisture content and high throughput
USD387534S (en) 1995-06-14 1997-12-09 Baker Hughes Incorporated Accelerator vane for a centrifuge
USD386874S (en) 1995-06-27 1997-11-25 Baker Hughes Incorporated Accelerator vane for a centrifuge
USD388583S (en) 1995-06-27 1997-12-30 Baker Hughes Incorporated Accelerator vane for a centrifuge
USD388924S (en) 1995-06-27 1998-01-06 Baker Hughes Incorporated Accelerator vane for a centrifuge
DE69618989T2 (en) 1995-12-01 2002-09-26 Baker Hughes Inc METHOD AND DEVICE FOR CONTROLLING AND MONITORING A FLOW CENTRIFUGE
US5772573A (en) 1996-02-26 1998-06-30 Baker Hughes Incorporated Decanter centrifuge and gear box with harmonic drive and associated operating method
US5653674A (en) 1996-03-27 1997-08-05 Baker Hughes Incorporated Decanter centrifuge with discharge opening adjustment control and associated method of operating
DE19618249A1 (en) 1996-05-07 1997-11-13 Deutz Ag Screw centrifuge with centrifugal valve
CA2184535C (en) 1996-08-30 2000-04-18 H. Craig Willis Apparatus and method for separation of solids from liquid
US5942130A (en) 1996-10-18 1999-08-24 Baker Hughes Incorporated Solid bowl centrifuge with beach having dedicated liquid drainage
US6063292A (en) 1997-07-18 2000-05-16 Baker Hughes Incorporated Method and apparatus for controlling vertical and horizontal basket centrifuges
US5948256A (en) 1997-08-22 1999-09-07 Baker Hughes Incorporated Centrifuge with cake churning
US5958235A (en) 1997-08-22 1999-09-28 Baker Hughes Incorporated Continuous-feed filtering- or screening-type centrifuge with reslurrying and dewatering
US6059977A (en) 1997-10-16 2000-05-09 Grand Tank (International) Inc. Method for separating solids from drilling fluids
USD448488S1 (en) 1997-10-21 2001-09-25 Baker Hughes Incorporated Wear resistant tiles for lining a centrifuge bowl
US5971907A (en) * 1998-05-19 1999-10-26 Bp Amoco Corporation Continuous centrifugal separator with tapered internal feed distributor
RU2223151C2 (en) 1998-06-03 2004-02-10 Бейкер Хьюз Инкорпорейтед Centrifugal with additional section of rotor
US6109452A (en) 1998-06-04 2000-08-29 Baker Hughes Incorporated Centrifuge with partial wear resistant basket
US6193076B1 (en) 1998-11-25 2001-02-27 Hutchison-Hayes International, Inc. Drilling fluid purification method and apparatus
US6230899B1 (en) 1999-01-20 2001-05-15 Hutchison-Hayes International, Inc. Sintered centrifuge separation system
US6432299B1 (en) 2000-07-21 2002-08-13 Hutchison-Hayes International, Inc. Cuttings dryer for removing liquid from a slurry

Also Published As

Publication number Publication date
EP1475155A1 (en) 2004-11-10
DE60128493D1 (en) 2007-06-28
EP1473087A1 (en) 2004-11-03
CA2419997C (en) 2007-01-09
EP1475154A1 (en) 2004-11-10
AU2001286037A1 (en) 2002-03-13
EP1473087B1 (en) 2007-05-16
DE60128493T2 (en) 2008-01-17
NO20030775D0 (en) 2003-02-19
WO2002018055A1 (en) 2002-03-07
NO20030775L (en) 2003-04-23
EP1313565A1 (en) 2003-05-28
US6605029B1 (en) 2003-08-12
ATE294022T1 (en) 2005-05-15
EP1473087A8 (en) 2005-01-19
DE60110441D1 (en) 2005-06-02
DE60110441T2 (en) 2005-11-17
EP1313565B1 (en) 2005-04-27

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20210831

MKEX Expiry

Effective date: 20210831