EP1572371A1 - Centrifuge, particularly a separator, having solids discharge nozzles and wear protection - Google Patents
Centrifuge, particularly a separator, having solids discharge nozzles and wear protectionInfo
- Publication number
- EP1572371A1 EP1572371A1 EP03795895A EP03795895A EP1572371A1 EP 1572371 A1 EP1572371 A1 EP 1572371A1 EP 03795895 A EP03795895 A EP 03795895A EP 03795895 A EP03795895 A EP 03795895A EP 1572371 A1 EP1572371 A1 EP 1572371A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- centrifuge
- drum
- wear protection
- separator
- particular separator
- 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
Links
- 239000007787 solid Substances 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
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
- B04B1/10—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of 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
- B04B1/10—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl
- B04B1/12—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl with continuous discharge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
- B04B7/08—Rotary bowls
- B04B7/12—Inserts, e.g. armouring plates
Definitions
- FIGS. 7a, b, c, 8 show analogous representations of a section of a fifth and sixth separator to FIGS. 1 and 2;
- the outlet nozzles 2 are formed from a sleeve body 3, which each in the radial direction of the Sc eudertrommel here also radially extending holes 4 in the drum shell 1 used (eg screwed) are. You indicate to you the outer circumference sealing rings 22 on.
- the drum shell has here in each case in front of the outlet nozzles 2 in the direction of the outlet nozzles 2 tapering recesses 21 which guide the solids to the outlet nozzles 2.
- a first region 18 of the channel 13 preferably extends parallel to the second bore section 9 adjacent to the outlet opening 10, whose orientation is inclined by an angle ⁇ + ⁇ of less than 90 ° (in this case about 80 °, preferably between 70 and 85 °) to the radial direction also the exit wiiikel the product phase from the centrifugal drum, and a second area 19 is slightly further towards the radial direction (angle ß) aligned, so that in the end of the channel 13 a kind of ramp 20 with a maximum height x above the bottom of Gutter 13 is formed which directs the part of the product stream impinging here somewhat further radially outwards and acts as a brake on this part of the product flow, which can have an advantageous effect during operation of the separator.
Landscapes
- Centrifugal Separators (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE20219551U | 2002-12-16 | ||
| DE20219551U DE20219551U1 (en) | 2002-12-16 | 2002-12-16 | Centrifuge, in particular separator, with solids outlet nozzles |
| PCT/EP2003/014253 WO2004054719A1 (en) | 2002-12-16 | 2003-12-15 | Centrifuge, particularly a separator, having solids discharge nozzles and wear protection |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1572371A1 true EP1572371A1 (en) | 2005-09-14 |
| EP1572371B1 EP1572371B1 (en) | 2008-05-21 |
| EP1572371B2 EP1572371B2 (en) | 2019-12-04 |
Family
ID=32240626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03795895.6A Expired - Lifetime EP1572371B2 (en) | 2002-12-16 | 2003-12-15 | Centrifuge, particularly a separator, having solids discharge nozzles and wear protection |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US7614995B2 (en) |
| EP (1) | EP1572371B2 (en) |
| CN (1) | CN100427211C (en) |
| AT (1) | ATE395978T1 (en) |
| AU (1) | AU2003298185A1 (en) |
| CA (1) | CA2508258C (en) |
| DE (2) | DE20219551U1 (en) |
| NO (1) | NO344617B1 (en) |
| WO (1) | WO2004054719A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4059608A1 (en) | 2021-03-17 | 2022-09-21 | Alfa Laval Corporate AB | Centrifugal separator and protective member |
| DE202023106479U1 (en) | 2023-11-07 | 2025-02-10 | Gea Westfalia Separator Group Gmbh | Centrifuge drum and centrifuge with such a centrifuge drum |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK175539B1 (en) * | 2002-03-14 | 2004-11-29 | Alfa Laval Copenhagen As | Decanter centrifuge with wear reinforcement in inlet |
| DE20219551U1 (en) * | 2002-12-16 | 2004-04-29 | Westfalia Separator Ag | Centrifuge, in particular separator, with solids outlet nozzles |
| CA2579251C (en) * | 2004-09-08 | 2013-07-23 | Alfa Laval Corporate Ab | Centrifuge nozzle and method and apparatus for inserting said nozzle into a centrifuge bowl |
| DE202006014600U1 (en) * | 2006-09-22 | 2008-02-14 | Westfalia Separator Ag | Centrifuge, in particular separator, with solids discharge openings, in particular solids outlet nozzles |
| DE102006053491A1 (en) * | 2006-11-14 | 2008-05-15 | Westfalia Separator Ag | Centrifuge, in particular separator, with solids outlet nozzles |
| DK178254B1 (en) * | 2010-11-12 | 2015-10-12 | Alfa Laval Corp Ab | Centrifugal separator, abrasion resistant element and set of abrasion resistant elements for a centrifugal separator |
| US9393574B1 (en) * | 2010-12-14 | 2016-07-19 | Ray Morris | Wear insert for the solids discharge end of a horizontal decanter centrifuge |
| AU2014305660B2 (en) * | 2013-08-09 | 2018-02-22 | Weir Minerals Australia Ltd | Cyclone separator apparatus and methods of production |
| EP2962763A1 (en) | 2014-07-04 | 2016-01-06 | Andritz Frautech S.r.l. | Nozzle separator bowl |
| EP2962762B1 (en) | 2014-07-04 | 2021-03-24 | Andritz Frautech S.r.l. | Discharge nozzle for nozzle separator |
| EP3433022A4 (en) * | 2016-03-24 | 2019-03-13 | Fluid-Quip, Inc. | Centrifuge rotor with staggered nozzles for use in a disc nozzle centrifuge |
| DE102016108057B4 (en) * | 2016-04-29 | 2018-08-02 | Gea Mechanical Equipment Gmbh | Outlet nozzle for a centrifuge drum, centrifuge drum and assembly tool |
| DE102017112553A1 (en) | 2017-06-07 | 2018-12-13 | Gea Mechanical Equipment Gmbh | Process for solids discharge of a centrifuge |
| DE202018100291U1 (en) * | 2018-01-18 | 2018-03-07 | Gea Mechanical Equipment Gmbh | centrifuge |
| US11065628B2 (en) | 2018-07-09 | 2021-07-20 | Kennametal Inc. | Centrifuge tile assembly |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE42343C (en) | G. pfisterer in Heidelberg | Processing sieve | ||
| US2060239A (en) * | 1936-11-10 | Centrifuge construction | ||
| US2695748A (en) * | 1952-01-22 | 1954-11-30 | Merco Centrifugal Co | Centrifuge nozzle construction |
| US2698748A (en) † | 1953-08-27 | 1955-01-04 | Evans Harry Willis | Pipe cutting machine of the blowtorch type |
| US3075696A (en) * | 1959-05-07 | 1963-01-29 | Sharples Corp | Centrifuge nozzle holders |
| DE1130371B (en) * | 1960-10-20 | 1962-05-24 | Krauss Maffei Ag | Solid bowl centrifuge for thickening thin liquid sludge, especially sewage sludge, and clarifying the separated sludge liquid |
| US3108952A (en) * | 1961-10-11 | 1963-10-29 | Bergedorfer Eisenwerk A G | Centrifuge rotor with discharge nozzles and mixing device |
| US3228598A (en) * | 1961-10-19 | 1966-01-11 | Pennsalt Chemicals Corp | Centrifuge discharge means |
| DE1861982U (en) * | 1962-09-27 | 1962-11-08 | Krauss Maffei Ag | CENTRIFUGE FOR SPINNING SUSPENSIONS WITH HARD ABRASIVE SOLIDS. |
| SU659193A1 (en) * | 1977-04-26 | 1979-04-30 | Плавский Машиностроительный Завод "Смычка" | Separator for liquid |
| DE2942451A1 (en) * | 1979-10-20 | 1981-04-23 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Slurry-separating centrifuge with thickened slurry discharge apertures - whose opening and closing controls incorporate a drive |
| US5356075A (en) * | 1990-07-10 | 1994-10-18 | Apv Pasilac Anhydro As | Atomizer wheel with a divided wear ring |
| DE4105412A1 (en) * | 1991-02-21 | 1992-08-27 | Kloeckner Humboldt Deutz Ag | CENTRIFUGE |
| JP2893526B1 (en) * | 1998-03-23 | 1999-05-24 | オーツケミカル株式会社 | Discharge port bush and centrifuge |
| GB9823345D0 (en) * | 1998-10-26 | 1998-12-23 | Tiletech Limited | Centrifuge tile etc |
| DE20219551U1 (en) * | 2002-12-16 | 2004-04-29 | Westfalia Separator Ag | Centrifuge, in particular separator, with solids outlet nozzles |
| US7374529B2 (en) * | 2006-04-26 | 2008-05-20 | Hutchison Hayes, Lp | Liner for a centrifuge discharge port |
| DE102006053491A1 (en) * | 2006-11-14 | 2008-05-15 | Westfalia Separator Ag | Centrifuge, in particular separator, with solids outlet nozzles |
-
2002
- 2002-12-16 DE DE20219551U patent/DE20219551U1/en not_active Expired - Lifetime
-
2003
- 2003-12-15 DE DE50309898T patent/DE50309898D1/en not_active Expired - Lifetime
- 2003-12-15 EP EP03795895.6A patent/EP1572371B2/en not_active Expired - Lifetime
- 2003-12-15 US US10/539,063 patent/US7614995B2/en not_active Expired - Lifetime
- 2003-12-15 AU AU2003298185A patent/AU2003298185A1/en not_active Abandoned
- 2003-12-15 CN CNB2003801061765A patent/CN100427211C/en not_active Expired - Fee Related
- 2003-12-15 WO PCT/EP2003/014253 patent/WO2004054719A1/en not_active Ceased
- 2003-12-15 AT AT03795895T patent/ATE395978T1/en active
- 2003-12-15 CA CA2508258A patent/CA2508258C/en not_active Expired - Lifetime
-
2005
- 2005-07-15 NO NO20053445A patent/NO344617B1/en active IP Right Review Request
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2004054719A1 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4059608A1 (en) | 2021-03-17 | 2022-09-21 | Alfa Laval Corporate AB | Centrifugal separator and protective member |
| WO2022194487A1 (en) | 2021-03-17 | 2022-09-22 | Alfa Laval Corporate Ab | Centrifugal separator and protective member |
| DE202023106479U1 (en) | 2023-11-07 | 2025-02-10 | Gea Westfalia Separator Group Gmbh | Centrifuge drum and centrifuge with such a centrifuge drum |
| WO2025098870A1 (en) | 2023-11-07 | 2025-05-15 | Gea Westfalia Separator Group Gmbh | Centrifuging drum of a centrifuge and centrifuge having such a centrifuging drum |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2508258F (en) | 2004-07-01 |
| US7614995B2 (en) | 2009-11-10 |
| AU2003298185A1 (en) | 2004-07-09 |
| WO2004054719A1 (en) | 2004-07-01 |
| US20060166803A1 (en) | 2006-07-27 |
| EP1572371B2 (en) | 2019-12-04 |
| CA2508258A1 (en) | 2004-07-01 |
| NO20053445L (en) | 2005-07-15 |
| CA2508258C (en) | 2008-09-09 |
| DE50309898D1 (en) | 2008-07-03 |
| ATE395978T1 (en) | 2008-06-15 |
| CN100427211C (en) | 2008-10-22 |
| CN1726084A (en) | 2006-01-25 |
| EP1572371B1 (en) | 2008-05-21 |
| DE20219551U1 (en) | 2004-04-29 |
| NO344617B1 (en) | 2020-02-10 |
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