WO2012013624A2 - Vollmantel-schneckenzentrifuge mit überlaufwehr - Google Patents
Vollmantel-schneckenzentrifuge mit überlaufwehr Download PDFInfo
- Publication number
- WO2012013624A2 WO2012013624A2 PCT/EP2011/062722 EP2011062722W WO2012013624A2 WO 2012013624 A2 WO2012013624 A2 WO 2012013624A2 EP 2011062722 W EP2011062722 W EP 2011062722W WO 2012013624 A2 WO2012013624 A2 WO 2012013624A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- weir
- solid bowl
- centrifuge according
- drum
- overflow
- Prior art date
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
- B04B2001/2075—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 means for recovering the energy of the outflowing liquid
-
- 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
- B04B2001/2083—Configuration of liquid outlets
Definitions
- the invention relates to a solid bowl screw centrifuge according to the preamble of claim 1.
- Solid bowl centrifuges are known in various embodiments.
- DE 102 03 652 B4 discloses a solid bowl screw centrifuge with a device for discharging clarified liquid from a drum having a drum cover with a passage to which a throttle device, in particular a throttle plate, is assigned, whose distance from the passage is variable.
- the passage further nozzles are assigned to the outlet of the clarified liquid, which are aligned for energy saving inclined to the radial direction through the drum axis.
- Nozzles on solid bowl centrifuges and their effect of energy saving with a corresponding orientation inclined to the drum axis are also known from DE 39 004 151 A1.
- Guiding plates can be assigned, which give the fluid emerging from the drum a twist, the occurring recoil effect to
- the baffles are attached to the outside of the overflow weir, for example to the weir plates. They are for example formed as flat sheets, which are parallel to
- Plates lie, the drum axis does not intersect and about an angle of about 45 ° with the radially extending straight line, which runs through the drum rotation axis and the respective passage opening.
- the invention has, starting from this prior art, the task of creating a further optimized in terms of energy saving Vollmantel- screw centrifuge. The invention solves this problem by the subject matter of claim 1.
- the deflection device configured such that an escaping liquid flow while maintaining the overflow weir at the weir edge directly in the axial extension of
- Embodiment for example, characterized in that the baffle at least partially directly in the axial extension of not covered by the respective weir plate portion of the passage opening is located axially outside the passage opening and this covers axially in whole or in part.
- Passage opening to assign a housing, in which case the overflow weir or a nozzle in a sloping side of the housing at the passage opening
- the present invention leaves the overflow weir directly to the weir plates on the drum cover and only the liquid, which has already left the rotating system on the overflow weir, is deflected in the circumferential direction. After emerging from the drum, no clearing effect can occur any more, but the entire outgoing liquid jet is deflected by the deflector in the circumferential direction. Further advantageous embodiments can be found in the remaining subclaims.
- FIG. 1 shows a schematically illustrated drum lid of a solid bowl screw centrifuge according to the invention.
- Fig. 2 is a schematic view of a known solid bowl screw centrifuge.
- Fig. 2 is intended to illustrate the basic structure of a solid bowl screw centrifuge. The drive together with control, a hood and other obvious for the expert elements are not shown here.
- Fig. 2 shows a solid bowl screw centrifuge 1 with a rotatable about a rotation axis D drum 3, in which a likewise rotatable screw 5 is arranged.
- the drum 3 and the screw 5 each have a substantially cylindrical portion and a conically tapered portion here.
- An axially extending centric inlet pipe 7 serves to supply the centrifuged material via a distributor 9 in the centrifugal space 1 1 between the screw 5 and the drum.
- the screw 5 rotates at a slightly lower or greater speed than the drum 3 and promotes the ejected solid to the conical portion out of the drum 3 to the solids discharge 13.
- the liquid flows to the larger drum diameter at the rear end of the cylindrical portion of the drum 3 and is derived there through over a weir, the passage openings 15 in a drum cover 17 has, each
- Passage opening 15 is associated with a weir plate 19, which here radially adjustably mounted on the Au .seite the drum cover.
- the inner radial edge of the weir plate thus defines an overflow edge and thus also the actual weir or overflow weir 21.
- Drum cover by the drum cover and the weir plate of Fig. 1 are replaced.
- the drum cover 1 7 also has passage openings 1 5, each of which a weir plate 1 9 is assigned.
- the weir plates 19 are preferably directly au Shen on the drum cover 1 7 aligned in parallel to this.
- the weir plates 1 9 in turn form at their relative to the axis of rotation D inner radius Rk each have an overflow edge and thus an overflow weir 21.
- Au Shen is preferably attached to each of the weir plates 1 9 a deflector 23 attached.
- the deflecting device 23 preferably has in each case a supporting wall 25 extending parallel to the weir plate-an axial wall section-and a deflecting wall 27 oriented at right angles thereto.
- the axial wall section may be flat or rounded.
- the connecting line between the support wall 25 and the weir plate 1 9 carries the reference numeral 31.
- the support wall 25 is preferably aligned with the overflow edge at the radius Rk of the weir plate 1 9. This achieves advantageous that the actual weir 21 is not changed in terms of its location, it is still from the
- Overflow weirs 21 are maintained on a weir plate 19.
- the support wall 25 is offset slightly radially outward Shen relative to the support wall, so that the connecting line 31 radially outer Shen further Shen, for example, 0, 5 mm to 3 mm further au Shen runs.
- the baffle 27 causes the actual deflection of the exiting product flow or the imposition of a twist in the circumferential direction, but does not change the position of the weir or the overflow edge. The baffle 27 merely causes the liquid, which has flowed over the overflow weir, is deflected from the axial direction. Such is a distraction of the
- Liquid jet reaches substantially in the circumferential direction, resulting in an overall energy savings compared to a liquid leakage in the axial direction.
- the baffle a it is advantageous if the baffle a
- arcuate wall portion 27a and has a subsequent planar wall portion 27b.
- the arcuate portion 27a causes a deflection of the liquid phase flowing in the axial direction X from the drum 3 in the circumferential direction or the imposition of a twist in the circumferential direction (against the direction of rotation).
- the flat wall portion 27b forwards the product flow one piece in this direction.
- the arcuate portion 27a is dimensioned such that substantially the deflection of the product flow from the axial direction X takes place here against the direction of rotation U, so that a recoil effect results, which results in an energy saving or energy recovery.
- Wall portion relative to the axial direction corresponds - is preferably less than 90 °, preferably, the deflection angle ⁇ is about 70 to 85 °.
- the deflection angle ⁇ is preferably smaller than 90 °, it is ensured in a simple manner that not too much of the drum 1 flowing out or exiting liquid is deflected so far from the axial direction that the liquid splashes against the outside of the drum cover 17 again which would mean a certain loss of energy.
- the baffle 27 at least partially lies directly in the axial extension outside the passage opening and this covers completely or partially axially on the radius of the passage opening. In this way, compared to the generic JP 1 1 - 179236, the advantage is achieved that a larger proportion of the outflowing liquid is already on the
- the invention ensures that the radial position of the actual weir is not changed but is still defined by the edge of the weir plates. It is particularly advantageous if the weir plate 1 7 and the deflector 23 are materially interconnected and thus form a structural unit.
- the weir plates 17 and attached thereto are preferably identical to the weir plates 17 and attached thereto.
- Deflector 23 together radially adjustable, e.g. by means of screws (not shown), with which the weir plates 19 are screwed to the drum cover 17 respectively.
- a plurality of screw holes 29 are preferably distributed radially offset from each other on the weir plates, so that by a suitable choice of screw holes 29 in a simple manner, the radial position of the weir plates 19 on the drum cover 17 is adjustable.
- the construction according to the invention can be cleaned well. By maintaining the position of the overflow weir 21 is avoided that forms a space in which easily soiling can settle.
Landscapes
- Centrifugal Separators (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11735650.1A EP2598251B1 (de) | 2010-07-28 | 2011-07-25 | Vollmantel-schneckenzentrifuge mit überlaufwehr |
CN201180027861.3A CN102958615B (zh) | 2010-07-28 | 2011-07-25 | 带有溢流堰的沉降式螺旋离心机 |
SG2012082285A SG185472A1 (en) | 2010-07-28 | 2011-07-25 | A solid-wall screw centrifuge with overflow weir |
BR112013003655-9A BR112013003655B1 (pt) | 2010-07-28 | 2011-07-25 | centrífuga de parafuso de parede sólida com barreira de transbordamento |
DK11735650.1T DK2598251T3 (en) | 2010-07-28 | 2011-07-25 | Full cover screw centrifuge with assault |
US13/702,437 US9333514B2 (en) | 2010-07-28 | 2011-07-25 | Fully jacketed screw centrifuge having an overflow weir |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010032503A DE102010032503A1 (de) | 2010-07-28 | 2010-07-28 | Vollmantel-Schneckenzentrifuge mit Überlaufwehr |
DE102010032503.1 | 2010-07-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2012013624A2 true WO2012013624A2 (de) | 2012-02-02 |
WO2012013624A3 WO2012013624A3 (de) | 2012-03-29 |
Family
ID=44628874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/062722 WO2012013624A2 (de) | 2010-07-28 | 2011-07-25 | Vollmantel-schneckenzentrifuge mit überlaufwehr |
Country Status (8)
Country | Link |
---|---|
US (1) | US9333514B2 (de) |
EP (1) | EP2598251B1 (de) |
CN (1) | CN102958615B (de) |
BR (1) | BR112013003655B1 (de) |
DE (1) | DE102010032503A1 (de) |
DK (1) | DK2598251T3 (de) |
SG (1) | SG185472A1 (de) |
WO (1) | WO2012013624A2 (de) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012014563A1 (de) | 2012-07-23 | 2014-01-23 | Flottweg Se | Vollmantelschneckenzentrifuge mit einer Energierückgewinnungseinrichtung |
DE102013001436A1 (de) | 2013-01-29 | 2014-07-31 | Flottweg Se | Vollmantelschneckenzentrifuge mit einer Wehrkante |
EP2789395A1 (de) | 2013-04-08 | 2014-10-15 | Flottweg SE | Vollmantelschneckenzentrifuge mit einer Energierückgewinnungseinrichtung |
GB2513358A (en) * | 2013-04-24 | 2014-10-29 | Nat Oilwell Varco Lp | A centrifuge and a control system therefor |
CN104470639A (zh) * | 2012-07-11 | 2015-03-25 | Gea机械设备有限公司 | 具有溢流堰的沉降型螺旋离心机 |
WO2019122045A1 (de) * | 2017-12-21 | 2019-06-27 | Flottweg Se | Auslassvorrichtung einer vollmantelschneckenzentrifuge mit einem umlenkgerinne |
WO2022200722A1 (fr) | 2021-03-26 | 2022-09-29 | Safran Aircraft Engines | Procede de fabrication d'une piece en alliage metallique pour une turbomachine |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK176946B1 (da) * | 2007-05-09 | 2010-06-14 | Alfa Laval Corp Ab | Centrifugalseparator og et væskefaseafløbsportelement |
EA017544B1 (ru) * | 2008-08-15 | 2013-01-30 | Эм-Ай ЭлЭлСи | Центрифуга |
DK200801848A (en) * | 2008-12-30 | 2010-07-01 | Alfa Laval Corp Ab | A decanter centrifuge and a decanter centrifuge discharge port memeber. |
JP5220950B1 (ja) * | 2012-11-02 | 2013-06-26 | 巴工業株式会社 | 分離液噴射ノズル付き遠心分離機 |
DE102014108722A1 (de) | 2014-04-30 | 2015-11-05 | Hiller Gmbh | Schneckenzentrifuge |
EP3398687B1 (de) * | 2017-05-04 | 2020-03-18 | Andritz S.A.S. | Dekanterzentrifuge |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3900415A1 (de) | 1989-01-09 | 1990-07-12 | Teves Gmbh Alfred | Unterdruck-bremskraftverstaerker |
JPH11179236A (ja) | 1997-12-22 | 1999-07-06 | Kubota Corp | 横型遠心分離機における分離水の排出装置 |
US20040072668A1 (en) | 2002-10-15 | 2004-04-15 | Baker Hughes Incorporated | Liquid phase discharge port incorporating chamber nozzle device for centrifuge |
DE10203652B4 (de) | 2002-01-30 | 2006-10-19 | Westfalia Separator Ag | Vollmantel-Schneckenzentrifuge mit einem Wehr |
WO2008138345A1 (en) | 2007-05-09 | 2008-11-20 | Alfa Laval Corporate Ab | A centrifugal separator and a liquid phase discharge port member |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5147277A (en) | 1991-03-19 | 1992-09-15 | Baker Hughes Incorporated | Power-efficient liquid-solid separating centrifuge |
JPH11197548A (ja) * | 1998-01-13 | 1999-07-27 | Kubota Corp | 横型遠心分離機における分離水の排出装置 |
JPH11197547A (ja) | 1998-01-13 | 1999-07-27 | Kubota Corp | 横型遠心分離機における分離水の排出装置 |
DK200801846A (en) | 2008-12-30 | 2010-07-01 | Alfa Laval Corp Ab | A decanter centrifuge with a slide valve body |
-
2010
- 2010-07-28 DE DE102010032503A patent/DE102010032503A1/de not_active Withdrawn
-
2011
- 2011-07-25 US US13/702,437 patent/US9333514B2/en active Active
- 2011-07-25 DK DK11735650.1T patent/DK2598251T3/en active
- 2011-07-25 CN CN201180027861.3A patent/CN102958615B/zh not_active Expired - Fee Related
- 2011-07-25 WO PCT/EP2011/062722 patent/WO2012013624A2/de active Application Filing
- 2011-07-25 EP EP11735650.1A patent/EP2598251B1/de active Active
- 2011-07-25 BR BR112013003655-9A patent/BR112013003655B1/pt not_active IP Right Cessation
- 2011-07-25 SG SG2012082285A patent/SG185472A1/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3900415A1 (de) | 1989-01-09 | 1990-07-12 | Teves Gmbh Alfred | Unterdruck-bremskraftverstaerker |
JPH11179236A (ja) | 1997-12-22 | 1999-07-06 | Kubota Corp | 横型遠心分離機における分離水の排出装置 |
DE10203652B4 (de) | 2002-01-30 | 2006-10-19 | Westfalia Separator Ag | Vollmantel-Schneckenzentrifuge mit einem Wehr |
US20040072668A1 (en) | 2002-10-15 | 2004-04-15 | Baker Hughes Incorporated | Liquid phase discharge port incorporating chamber nozzle device for centrifuge |
WO2008138345A1 (en) | 2007-05-09 | 2008-11-20 | Alfa Laval Corporate Ab | A centrifugal separator and a liquid phase discharge port member |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104470639B (zh) * | 2012-07-11 | 2017-03-08 | Gea机械设备有限公司 | 具有溢流堰的沉降型螺旋离心机 |
CN104470639A (zh) * | 2012-07-11 | 2015-03-25 | Gea机械设备有限公司 | 具有溢流堰的沉降型螺旋离心机 |
DE102012014563B4 (de) * | 2012-07-23 | 2014-12-11 | Flottweg Se | Vollmantelschneckenzentrifuge mit einer Energierückgewinnungseinrichtung |
WO2014015851A1 (de) | 2012-07-23 | 2014-01-30 | Flottweg Se | Vollmantelschneckenzentrifuge mit einer energierückgewinnungseinrichtung |
US10105715B2 (en) | 2012-07-23 | 2018-10-23 | Flottweg Se | Solid-bowl screw centrifuge having an energy recovery device |
DE102012014563A1 (de) | 2012-07-23 | 2014-01-23 | Flottweg Se | Vollmantelschneckenzentrifuge mit einer Energierückgewinnungseinrichtung |
WO2014117760A1 (de) | 2013-01-29 | 2014-08-07 | Flottweg Se | Vollmantelschneckenzentrifuge mit einer wehrkante |
US10105716B2 (en) | 2013-01-29 | 2018-10-23 | Flottweg Se | Solid bowl centrifuge having a dam edge with an energy recovery device located on the dam edge and at least sections of the dam edge are pivoted toward a rotational direction of the solid bowl centrifuge as viewed from a rotational axis |
DE102013001436A1 (de) | 2013-01-29 | 2014-07-31 | Flottweg Se | Vollmantelschneckenzentrifuge mit einer Wehrkante |
EP2789395A1 (de) | 2013-04-08 | 2014-10-15 | Flottweg SE | Vollmantelschneckenzentrifuge mit einer Energierückgewinnungseinrichtung |
US10357784B2 (en) | 2013-04-08 | 2019-07-23 | Flottweg Se | Solid-wall scroll centrifuge with front wall with discharge opening having a weir edge and an energy recovery device defining a discharge pipe on the outside of the front wall and in front of the discharge opening having the weir edge |
GB2513358A (en) * | 2013-04-24 | 2014-10-29 | Nat Oilwell Varco Lp | A centrifuge and a control system therefor |
WO2019122045A1 (de) * | 2017-12-21 | 2019-06-27 | Flottweg Se | Auslassvorrichtung einer vollmantelschneckenzentrifuge mit einem umlenkgerinne |
US11660609B2 (en) | 2017-12-21 | 2023-05-30 | Flottweg Se | Outlet device of a solid-bowl screw centrifuge with a diverting channel |
WO2022200722A1 (fr) | 2021-03-26 | 2022-09-29 | Safran Aircraft Engines | Procede de fabrication d'une piece en alliage metallique pour une turbomachine |
Also Published As
Publication number | Publication date |
---|---|
CN102958615B (zh) | 2014-12-10 |
US9333514B2 (en) | 2016-05-10 |
CN102958615A (zh) | 2013-03-06 |
EP2598251A2 (de) | 2013-06-05 |
BR112013003655B1 (pt) | 2020-12-08 |
DK2598251T3 (en) | 2017-02-13 |
US20140051565A1 (en) | 2014-02-20 |
EP2598251B1 (de) | 2016-11-02 |
SG185472A1 (en) | 2012-12-28 |
WO2012013624A3 (de) | 2012-03-29 |
BR112013003655A2 (pt) | 2016-09-06 |
DE102010032503A1 (de) | 2012-02-02 |
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