EP0423461A3 - Solid bowl decanter centrifuge - Google Patents

Solid bowl decanter centrifuge Download PDF

Info

Publication number
EP0423461A3
EP0423461A3 EP19900116037 EP90116037A EP0423461A3 EP 0423461 A3 EP0423461 A3 EP 0423461A3 EP 19900116037 EP19900116037 EP 19900116037 EP 90116037 A EP90116037 A EP 90116037A EP 0423461 A3 EP0423461 A3 EP 0423461A3
Authority
EP
European Patent Office
Prior art keywords
decanter centrifuge
solid bowl
bowl decanter
solid
centrifuge
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
EP19900116037
Other languages
German (de)
Other versions
EP0423461A2 (en
EP0423461B1 (en
Inventor
Reinhold Dr. Schilp
Wolfgang Epper
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.)
Deutz AG
Original Assignee
Kloeckner Humboldt Deutz AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25886188&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0423461(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kloeckner Humboldt Deutz AG filed Critical Kloeckner Humboldt Deutz AG
Publication of EP0423461A2 publication Critical patent/EP0423461A2/en
Publication of EP0423461A3 publication Critical patent/EP0423461A3/en
Application granted granted Critical
Publication of EP0423461B1 publication Critical patent/EP0423461B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • B04B2001/2033—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 feed accelerator inside the conveying screw
EP90116037A 1989-10-17 1990-08-22 Solid bowl decanter centrifuge Expired - Lifetime EP0423461B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3934612 1989-10-17
DE3934612 1989-10-17
DE4005755 1990-02-23
DE4005755A DE4005755A1 (en) 1989-10-17 1990-02-23 FULL-COVERED SNAIL CENTRIFUGE

Publications (3)

Publication Number Publication Date
EP0423461A2 EP0423461A2 (en) 1991-04-24
EP0423461A3 true EP0423461A3 (en) 1991-07-24
EP0423461B1 EP0423461B1 (en) 1994-07-20

Family

ID=25886188

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90116037A Expired - Lifetime EP0423461B1 (en) 1989-10-17 1990-08-22 Solid bowl decanter centrifuge

Country Status (4)

Country Link
US (1) US5545119A (en)
EP (1) EP0423461B1 (en)
DE (2) DE4005755A1 (en)
DK (1) DK0423461T3 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4231063A1 (en) * 1992-09-17 1994-03-24 Westfalia Separator Ag Horizontal decanter centrifuge with partial hydraulic support and reduced re-suspension of solids - by local increased clearance of bowl and screw
GB9611209D0 (en) * 1996-05-29 1996-07-31 Ecc Int Ltd Decanter centrifuge
US6290636B1 (en) * 2000-04-28 2001-09-18 Georg Hiller, Jr. Helix centrifuge with removable heavy phase discharge nozzles
US7018326B2 (en) * 2000-08-31 2006-03-28 Varco I/P, Inc. Centrifuge with impellers and beach feed
US6780147B2 (en) * 2000-08-31 2004-08-24 Varco I/P, Inc. Centrifuge with open conveyor having an accelerating impeller and flow enhancer
US6790169B2 (en) * 2000-08-31 2004-09-14 Varco I/P, Inc. Centrifuge with feed tube adapter
US6605029B1 (en) * 2000-08-31 2003-08-12 Tuboscope I/P, Inc. Centrifuge with open conveyor and methods of use
EP2130607B1 (en) * 2008-06-06 2012-04-11 Mantovani & Vicentini S.r.L. Centrifugal separator
CN103586141B (en) * 2012-08-15 2016-09-28 钦州鑫能源科技有限公司 Centrifugal separating device
DE102018113135A1 (en) * 2018-06-01 2019-12-05 Bernhard Giersberg Device for sewage sludge dewatering

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2057555A1 (en) * 1970-11-23 1972-06-22 Werner Busch Worm centrifuge - for continuous sepn of suspensions with liquid flow canalised away from worm
DE2154563A1 (en) * 1971-11-03 1973-05-10 Georg Hiller Solid walled worm centrifuge - operating on steady flow principle
DE3318064A1 (en) * 1983-05-18 1984-11-22 Klöckner-Humboldt-Deutz AG, 5000 Köln Process and apparatus for the separation of a solid-liquid mixture
WO1987006856A1 (en) * 1986-05-06 1987-11-19 Alfa-Laval Separation A/S Decanter centrifuge

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB364348A (en) * 1931-01-12 1932-01-07 Broadbent & Sons Ltd Thomas Improvements in or relating to centrifugal separators
BE422606A (en) * 1936-08-13
US2435623A (en) * 1942-03-11 1948-02-10 Separator Nobel Ab Centrifuges for separating from a liquid matters suspended or emulgated therein
DE904999C (en) * 1950-08-05 1954-02-25 Krauss Maffei Ag Continuously operating centrifugal machine
BE638716A (en) * 1962-10-16
FR1387605A (en) * 1963-03-27 1965-01-29 Kloeckner Humboldt Deutz Ag Solid-wall centrifuge for the separation of solid-liquid mixtures
NL6403072A (en) * 1963-03-27 1964-09-28
US3279687A (en) * 1963-05-24 1966-10-18 Bird Machine Co Centrifuge
US3423015A (en) * 1967-08-23 1969-01-21 Ametek Inc Continuous centrifugal separator with pool depth control
US3471081A (en) * 1967-12-21 1969-10-07 Ametek Inc Acid feed pipe
DE2907318A1 (en) * 1979-02-24 1980-08-28 Bayer Ag Centrifuge drum with cylindrical and conical zones - where worm profile is designed for efficient sepn. of solids from liquids, esp. from liquids with high viscosity
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
DE3326310C2 (en) * 1983-07-21 1986-02-20 Westfalia Separator Ag, 4740 Oelde Solid bowl centrifuge with a screw conveyor
US4566873A (en) * 1984-03-28 1986-01-28 Kotobuki Engineering & Manufacturing Co., Ltd. Screw decanter type centrifugal concentrating machine
DE3518885A1 (en) * 1985-05-25 1986-11-27 Bayer Ag, 5090 Leverkusen FULL-COVERED SCREW CENTRIFUGE WITH RECHARGEING DEVICE
DE3608664A1 (en) * 1986-03-14 1987-09-17 Krauss Maffei Ag FULL-COAT CENTRIFUGE
DE3904151A1 (en) * 1989-02-11 1990-08-16 Heckmann Wolfgang Centrifuge

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2057555A1 (en) * 1970-11-23 1972-06-22 Werner Busch Worm centrifuge - for continuous sepn of suspensions with liquid flow canalised away from worm
DE2154563A1 (en) * 1971-11-03 1973-05-10 Georg Hiller Solid walled worm centrifuge - operating on steady flow principle
DE3318064A1 (en) * 1983-05-18 1984-11-22 Klöckner-Humboldt-Deutz AG, 5000 Köln Process and apparatus for the separation of a solid-liquid mixture
WO1987006856A1 (en) * 1986-05-06 1987-11-19 Alfa-Laval Separation A/S Decanter centrifuge

Also Published As

Publication number Publication date
EP0423461A2 (en) 1991-04-24
DE59006496D1 (en) 1994-08-25
US5545119A (en) 1996-08-13
EP0423461B1 (en) 1994-07-20
DE4005755A1 (en) 1991-04-18
DK0423461T3 (en) 1994-08-22

Similar Documents

Publication Publication Date Title
AU6981787A (en) Centrifuge bowl mount
GB2221048B (en) Centrifuge
DK166996C (en) decanter centrifuge
EP0341433A3 (en) Solid bowl screw conveyor centrifuge
AU572760B2 (en) Screen bowl centrifuge
EP0423461A3 (en) Solid bowl decanter centrifuge
DK154540C (en) decanter centrifuge
IL93179A0 (en) Screen bowl separating centrifuge
GB2191962B (en) Centrifuge drum
GB8709091D0 (en) Centrifuge drum
GB2221410B (en) Centrifuge
GB8318993D0 (en) Solid bowl centrifuge
DE3663779D1 (en) Solid bowl decanter centrifuge
GB2233584B (en) Centrifuge rotors
FR2615414B1 (en) SELF-TIPPING CENTRIFUGAL BOWL
EP0236551A3 (en) Centrifuge centrifuge
GB8710243D0 (en) Centrifuge drum
EP0281666A3 (en) Centrifuge
DK166069C (en) decanter centrifuge
GB2182869B (en) Decanter centrifuge
AU5070290A (en) Centrifuge basket
GB9205679D0 (en) Self-emptying centrifuge bowl
GB8403516D0 (en) Tubular bowl centrifuge
GB8720865D0 (en) Centrifuges
AU580696B2 (en) Decanter centrifuge

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE DK FR GB IT

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE DK FR GB IT

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: KLOECKNER-HUMBOLDT-DEUTZ AG

17P Request for examination filed

Effective date: 19911206

17Q First examination report despatched

Effective date: 19930122

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE DK FR GB IT

ET Fr: translation filed
REG Reference to a national code

Ref country code: DK

Ref legal event code: T3

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19940725

REF Corresponds to:

Ref document number: 59006496

Country of ref document: DE

Date of ref document: 19940825

ITF It: translation for a ep patent filed

Owner name: ING. C. GREGORJ S.P.A.

PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

26 Opposition filed

Opponent name: WESTFALIA SEPARATOR AG

Effective date: 19950124

PLBL Opposition procedure terminated

Free format text: ORIGINAL CODE: EPIDOS OPPC

PLBM Termination of opposition procedure: date of legal effect published

Free format text: ORIGINAL CODE: 0009276

RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: DEUTZ AKTIENGESELLSCHAFT

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: OPPOSITION PROCEDURE CLOSED

27C Opposition proceedings terminated

Effective date: 19970201

REG Reference to a national code

Ref country code: FR

Ref legal event code: CD

REG Reference to a national code

Ref country code: GB

Ref legal event code: 732E

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20030813

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20030820

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DK

Payment date: 20030822

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20030930

Year of fee payment: 14

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20040822

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20040831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050301

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20040822

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050429

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

REG Reference to a national code

Ref country code: DK

Ref legal event code: EBP

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20050822

PLAB Opposition data, opponent's data or that of the opponent's representative modified

Free format text: ORIGINAL CODE: 0009299OPPO