EP1588769A1 - Wehreinrichtung für eine Zentrifuge - Google Patents
Wehreinrichtung für eine Zentrifuge Download PDFInfo
- Publication number
- EP1588769A1 EP1588769A1 EP05005741A EP05005741A EP1588769A1 EP 1588769 A1 EP1588769 A1 EP 1588769A1 EP 05005741 A EP05005741 A EP 05005741A EP 05005741 A EP05005741 A EP 05005741A EP 1588769 A1 EP1588769 A1 EP 1588769A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- centrifuge
- weir
- weir element
- drum
- weeding device
- 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
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 239000007787 solid Substances 0.000 claims description 9
- 238000009333 weeding Methods 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 2
- 230000007123 defense Effects 0.000 description 8
- 239000002245 particle Substances 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls
- B04B11/02—Continuous feeding or discharging; Control arrangements therefor
-
- 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
- B04B2001/2083—Configuration of liquid outlets
Definitions
- the invention relates to a Wehrr adopted for a centrifuge with a to a Centrifuge axis rotating centrifuge drum, in particular for a solid bowl centrifuge, in which a clarified liquid by at least one Drain opening discharged from the inside of the centrifuge drum to the outside and at the for adjusting the pond depth within the centrifuge drum the size of the at least one drain opening from outside the centrifuge drum is changeable ago. Furthermore, the invention relates to a centrifuge, in particular a solid bowl screw centrifuge, with such a generic Military facility.
- Centrifuges are subject to centrifugal force during operation within the centrifuge drum, a liquid ring whose inside diameter is determined by the arrangement of weir discs, which on Scope of a drum end wall are arranged in front of drain openings.
- a liquid ring whose inside diameter is determined by the arrangement of weir discs, which on Scope of a drum end wall are arranged in front of drain openings.
- a weir which consists of elements such as flaps, Sliders, wedges, etc., which are distributed in the region of the drum end wall Drain holes are arranged and co-rotate with the drum.
- the co-rotating adjusting elements are connected by mechanical fasteners with a non-co-rotating adjustment in operative connection. Because this Connection between co-rotating adjustment elements and non-co-rotating Adjustment is relatively complex, have such weir systems not enforced.
- the invention is based on the object, a centrifuge with a simply built to provide adjustable weir with which the pond depth within the centrifuge drum reliable and with low energy consumption can be changed during operation of the centrifuge.
- the centrifuge according to the invention which is located in the centrifuge drum Liquid ring on the drum end wall of a first weir element limited, which rotates with the centrifuge drum.
- the first defense element usually determines the minimum operating height of the liquid that can be set during operation inside the centrifuge drum.
- This first weir element is according to the invention associated with a second weir element which does not interfere with the centrifuge drum rotates and is arranged next to the first weir element. This second weir element is used for precise setting and adjusting the pond depth within the centrifuge drum even during operation of the centrifuge.
- the effluent clarified liquid thus flows over both defense elements.
- the second weir element is at least partially radially adjustable, whereby the Distance between the drum wall and an overflow edge of the second weir element at the at least one drain opening is changed.
- the essential difference of the invention over the prior art also lies in the fact that the effective or final pond depth through a defense element it is determined which of the clarified liquid is overflowed, nevertheless but not with the centrifuge drum rotates. Furthermore, this is not co-rotating Weir element adjusted in a plane perpendicular to the centrifuge axis, for which only comparatively simple adjusting devices are needed. The Adjustment can also outside of the wet and dirty part the centrifuge are arranged.
- a significant advantage of the centrifuge according to the invention is that that with the weir device according to the invention also large-scale drainage openings can be changed in size and / or discharge or trailing edges with a comparatively large overflow area (i.e., a large overflow height and / or a large overrunning width), so that even larger floating particles are washed out of the centrifuge drum can be.
- the inventively comparatively large outlet openings or Abströmqueritese also have the advantage that the Centrifuge when parking and collapsing the circulating in it Liquid ring at low speed a fast and largely complete Emptying is possible. This also applies to operating phases of a centrifuge where e.g. For cleaning purposes aware of a speed just below the limit for training a liquid cylinder is controlled.
- the flooding of particles is particularly facilitated because the particles according to the invention need not escape through a gap or slot, as is partially required in the prior art.
- the particles according to the invention therefore, e.g. also comparatively large particles washed out on the liquid in the centrifuge drum float.
- the outlet region of the liquid at the second weir element comparatively easily to a partial area the drum circumference are limited. This limitation results in a comparatively large overflow height of the liquid at the second weir element.
- Within the highly overflowing liquid also large particles, which are in drive the liquid, washed out of the centrifuge drum.
- Wehr is the second weir element designed rotatable and when turning is at least a portion of the second weir element located in front of the at least one Drain opening is located, radially adjusted.
- the for adjusting such a second Military element required rotary motion can be cost effective and reliable be effected with an adjustment, which about the centrifuge axis having rotatable elements.
- simple lever mechanisms can be provided at high adjustment short adjustment paths.
- the second weir element is designed with an eccentric, the is mounted eccentrically to the centrifuge axis.
- a stored Eccentric disc is that portion of a second defense element, which is located in front of the at least one drain opening, radially inward or adjusted outside.
- Such a pivotable second weir element can be very cost with a Be mounted swivel arm, which is offset by one of the centrifuge axis Swivel axis is pivotable.
- the pivoting movement can then be controlled by electromagnetic, hydraulic or purely mechanical adjustment mechanisms causes become.
- Weir device is the second weir element relative to the first weir element displaceable and when moving at least a portion of the second weir element, which is located in front of the at least one drain opening, radially adjusted.
- the second weir element can in such a Wehrr realized means of a be implemented simple, radially movable slide.
- the second weir element with a Ring disc is designed, in particular in front of a plurality of drain holes is mounted adjustable.
- a radial adjustment of such Ring disc results opposite the revolving weir element or the associated Drain holes a "free", not from the non-rotating ring disc covered overflow area. Because this overflow area only on one Part of the circumference of the non-co-rotating weir element or the annular disc is limited, results in the overflow edge a comparatively large overflow height, causing a flooding of larger floating particles is supported out of the centrifuge drum.
- the essence of the invention is, inter alia, that at least a section of a non-rotating defense element before at least a drain opening is adjustable perpendicular to the rotor axis.
- the second Weir element is designed as an annular disc, this is eccentric when adjusting or moved perpendicular to the centrifuge axis. Regardless of the train of the Shift always results in the desired function of a limited overflow area on the circumference of this washer.
- annular gap through which a small part (Leakage) liquid can flow out of the interior of the centrifuge drum.
- the annular gap can be set or adjusted specifically to a specific minimum width be so as to ensure that during operation of the invention Centrifuge is excluded that the first and the second Wehrr coupled come in solid state contact.
- the first weir element according to the invention can also be designed with recesses be through which clarified liquid can flow through, while the remaining Areas of the first weir element an outflow of liquid outside prevent the recesses. In this way, the outflow of Liquid over the first weir element on certain sections or Be limited areas of the drum circumference. With the limited outflow is also the flow of (leakage) fluid through the above Annular gap limited locally and quantitatively. This reduces the Friction of the liquid passing through the annular gap.
- FIGS. 1 to 4 show a centrifuge 10 in the form of a solid bowl screw centrifuge illustrated with a centrifuge drum 12, which in operation of the Centrifuge 10 is rotated about a centrifuge axis 14 at a high rotational speed.
- a centrifuge screw 16 which also is aligned according to the centrifuge axis 14.
- the centrifuge screw 16 is rotatable with its screw hub on a screw bearing 18 mounted, which supported on a drum hub 20 of the centrifuge drum 12 is.
- the drum hub 20 is in turn supported by a drum bearing 22, arranged in a bearing block 24 and in this way at a fixed Machine bed 26 is supported.
- a drum end wall 34 of the Centrifuge drum 12 distributed over the circumference six drain holes 36 trained.
- the drainage openings 36 are partially of a first Weir element 38 covered in the form of an annular disc, the outside of the drum end wall 34 is mounted centrically to the centrifuge axis 14.
- Axial next to the first weir element 38 is a second weir element 40, which also in the form of an annular disc, but with a smaller inner diameter, is designed, provided.
- This second weir element 40 is via an adjusting device 42 attached to the bearing block 24 and therefore does not run with the centrifuge drum 12 um.
- the first and second weir elements 38 and 40 are so arranged relative to each other, that one of the centrifuge drum 12 through the Drain openings 36 flowing, clarified liquid over both defense elements 38 and 40 overflowed. It is located between the first weir element 38th and the second weir member 40 has a minimum annular gap 44 through which as well an at least small amount of (leakage) liquid from inside the Centrifuge drum 12 can flow into a drain housing 46.
- the second weir element 40 is connected to the adjusting device 42 by means of webs 48 attached to an eccentric disc 50, which in turn rotatable on an eccentric hub 52 is stored.
- the webs 48 keep the second weir element 40 at a distance from the eccentric disc 50 and thus separate the wet and dirty area of the first and second weir element 38 and 40 of the remaining adjusting device 42.
- Due to the eccentric mounting of the eccentric disc 50 on the eccentric hub 52 is designed as an annular disc second weir element 40 during rotation the eccentric disc 50 either concentric or coaxial or eccentric adjusted to the centrifuge axis 14. In this movement become individual Sections and the inner edge of the second weir element 40, each in considered axial direction in front of the drain openings 36 are radially adjusted.
- a rotary ring 56 For rotating the eccentric disc 50, a rotary ring 56 is provided, which rotatable on a fixed ring portion 58 adjacent to the eccentric disc 50 is stored. On the rotary ring 56, a radial groove 60 is formed, into which a pin 62 protrudes. The pin 62 is inserted on the eccentric disc 50 in a bore 64, so that he carried on rotation of the rotary ring 56 within the radial groove 60 is rotated and by this movement, the eccentric disc 50.
- Figure 2 shows a concentric orientation of the second weir element 40 relative to the centrifuge axis 14. In this position flows over the entire circumference of the second weir element 40 distributed from all drain openings 36 clarified Liquid from the centrifuge drum 12 in the drain housing 46 from.
- FIG. 4 illustrates an operating phase of the centrifuge 10, in which the as Ring disc designed second weir element 40 by means of the eccentric disc 50th and the eccentric 52 arranged eccentrically offset to the centrifuge axis 14 is. In this position is in relation to Figure 4 lower portion of the second Weir element 40 whose overflow edge 54 is offset radially outwards, whereby reduces the pond depth of the liquid ring 32 in the centrifuge drum 12 becomes.
- FIG. 5 illustrates two embodiments of centrifuge pulley 12. where the first weir element 38 at each drain opening 36 alone by an overflow edge 68 is designed, which is configured in the drum wall 30 itself is.
- the overflow edge 68 defines a minimum diameter 70, which in the Centrifuge drum 12 must overcome circulating liquid to allow them over the first weir element 38 to the second, not shown weir element 40th can flow.
- the drain opening 36th designed as a stretched oval, while at the left next to it Side view of a drum wall 30, the drain opening 36 a circular Cross section has.
- a centrifuge drum 12 a comparatively large, circular drain opening 36 formed in front of the outside designed as an annular disc first weir element 38 is attached.
- the first weir element 38 of this kind covers the drain opening 36 partially and is directed to the drum interior slope 72 Mistake.
- the slope 72 terminates at an overflow edge 68, which in turn from defined liquid to be overcome minimum diameter 70. Because the Sloping 72 is located outside the drum wall 30, liquid can first exit through the circular drain opening 36 and then distributed along the slope 72 across a wide compared to the size of the drain opening 36 Peripheral region of designed as an annular disc first weir element 38th An the weir element 38 of FIG.
- FIG. 6 is also on the side to the second, not Turning element 40 shown turned, formed an undercut 74.
- This undercut 74 causes for the liquid, which by the Annular gap 44 between the first and second weir element 38 and 40 radially flows outward, the flow cross-section increases radially outward. With an enlarged flow cross-section reduce the flow friction and the braking effect of the thus flowing (leakage) liquid.
- FIG. 7 illustrates two exemplary embodiments of first weir elements 38. each designed as a substantially circular annular disc. While in the embodiment shown on the left in Fig. 7 on the annular disc Also, the overflow edge 68 is designed to be circular in total, is in the in Fig. 7 right illustrated embodiment of the minimum diameter 70 means limited two recesses 76, which are smaller in diameter between two Disk sections 78 are formed. With the help of the disc sections 78, the outflow of liquid over the first weir element 38 across the two recesses 76 limited, which leads to that only to this Recesses 76 (leakage) liquid in the annular gap 44 between the first and second weir element 38 or 40 passes. In addition, through the limitation the liquid flows on the recesses 76 a comparatively achieved overflow height, resulting in the advantages already mentioned above leads.
- FIG. 8 illustrates an embodiment of a drum wall 30 on which a plurality of first weir elements 38 arranged in the form of individually to be adjusted slider are. On the top right in FIG. 8 is a section of such a first weir element 38 shown.
- the individual slide or first weir elements 38 can be adjusted individually when the associated centrifuge 10, so that depending on the task, different overflow heights or minimum diameters 70 can be adjusted.
Landscapes
- Centrifugal Separators (AREA)
Abstract
Description
- Fig. 1
- einen teilweisen Längsschnitt einer erfindungsgemäßen Zentrifuge mit deren Wehreinrichtung in einer ersten Stellung eines zugehörigen verstellbaren Wehrelements,
- Fig. 2
- den Schnitt II-II in Fig. 1,
- Fig. 3
- den teilweisen Längsschnitt gemäß Fig. 1 in einer zweiten Stellung des zugehörigen verstellbaren Wehrelements,
- Fig. 4
- den Schnitt IV-IV in Fig. 3,
- Fig. 5
- einen teilweisen Längsschnitt und zwei Seitenansichten von Ausführungsbeispielen erfindungsgemäßer erster Wehrelemente,
- Fig. 6
- einen teilweisen Längsschnitt und eine Seitenansicht eines weiteren Ausführungsbeispiels eines erfindungsgemäßen ersten Wehrelements,
- Fig. 7
- Seitenansichten von zwei weiteren Ausführungsbeispielen erfindungsgemäßer erster Wehrelemente und
- Fig. 8
- eine Seitenansicht eines weiteren Ausführungsbeispiels eines erfindungsgemäßen ersten Wehrelements.
- 10
- Zentrifuge
- 12
- Zentrifugentrommel
- 14
- Zentrifugenachse
- 16
- Zentrifugenschnecke
- 18
- Schneckenlager
- 20
- Trommelnabe
- 22
- Trommellager
- 24
- Lagerbock
- 26
- Maschinenbett
- 28
- Einlaufrohr
- 30
- Trommelwand
- 32
- Flüssigkeitsring
- 34
- Trommelstirnwand
- 36
- Ablauföffnung
- 38
- erstes Wehrelement
- 40
- zweites Wehrelement
- 42
- Verstelleinrichtung
- 44
- Ringspalt
- 46
- Ablaufgehäuse
- 48
- Steg
- 50
- Exzenterscheibe
- 52
- Exzenternabe
- 54
- Überströmkante
- 56
- Drehring
- 58
- Ringabschnitt
- 60
- Radialnut
- 62
- Stift
- 64
- Bohrung
- 68
- Überlaufkante
- 70
- Mindestdurchmesser
- 72
- Schräge
- 74
- Hinderschneidung
- 76
- Aussparung
- 78
- Scheibenabschnitt
Claims (10)
- Wehreinrichtung für eine Zentrifuge (10) mit einer um eine Zentrifugenachse (14) rotierenden Zentrifugentrommel (12), insbesondere für eine Vollmantelschneckenzentrifuge, bei der eine geklärte Flüssigkeit durch mindestens eine Ablauföffnung (36) aus dem Inneren der Zentrifugentrommel (12) nach außen abgelassen wird und bei der zum Verstellen der Teichtiefe innerhalb der Zentrifugentrommel (12) die Größe der mindestens einen Ablauföffnung (36) von außerhalb der Zentrifugentrommel (12) her veränderbar ist,
dadurch gekennzeichnet, dass an der mindestens einen Ablauföffnung (36) ein erstes und ein zweites Wehrelement (38, 40) vorgesehen sind, die axial nebeneinander derart angeordnet sind, dass geklärte Flüssigkeit über beide Wehrelemente (38, 40) abströmt, und von denen das erste Wehrelement (38) mit der Zentrifugentrommel (12) mitdrehend und das zweite Wehrelement (40) nicht mit der Zentrifugentrommel (12) mitdrehend sowie zumindest abschnittsweise radial verstellbar gestaltet ist. - Wehreinrichtung nach Anspruch 1,
dadurch gekennzeichnet, dass das zweite Wehrelement (40) verdrehbar ist und beim Verdrehen mindestens ein Abschnitt des zweiten Wehrelements (40), der sich vor der mindestens einen Ablauföffnung (36) befindet, radial verstellt wird. - Wehreinrichtung nach Anspruch 2,
dadurch gekennzeichnet, dass das zweite Wehrelement (40) mit einer Exzenterscheibe (50) gestaltet ist, die exzentrisch zur Zentrifugenachse (14) gelagert ist. - Wehreinrichtung nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, dass das zweite Wehrelement (40) schwenkbar ist und beim Schwenken mindestens ein Abschnitt des zweiten Wehrelements (40), der sich vor der mindestens einen Ablauföffnung (36) befindet, radial verstellt wird. - Wehreinrichtung nach Anspruch 4,
dadurch gekennzeichnet, dass das zweite Wehrelement (40) mit einem Schwenkarm gestaltet ist, der um eine von der Zentrifugenachse (14) versetzte Schwenkachse schwenkbar ist. - Wehreinrichtung nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, dass das zweite Wehrelement (40) verschiebbar ist und beim Verschieben mindestens ein Abschnitt des zweiten Wehrelements (40), der sich vor der mindestens einen Ablauföffnung (36) befindet, radial verstellt wird. - Wehreinrichtung nach Anspruch 6,
dadurch gekennzeichnet, dass das zweite Wehrelement (40) mit mindestens einem radial bewegbaren Schieber gestaltet ist. - Wehreinrichtung nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet, dass das zweite Wehrelement (40) mit einer Ringscheibe gestaltet ist, die vor einer Mehrzahl von Ablauföffnungen (36) verstellbar gelagert ist. - Wehreinrichtung nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet, dass das zweite Wehrelement (40) eine Aussparung aufweist, mit der der Austritt von geklärter Flüssigkeit auf einen bestimmten Teilbereich des Umfangs der Zentrifugentrommel (12) begrenzt ist. - Zentrifuge, insbesondere Vollmantelschneckenzentrifuge, mit einer Wehreinrichtung nach einem der Ansprüche 1 bis 9.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200410019368 DE102004019368B4 (de) | 2004-04-21 | 2004-04-21 | Wehreinrichtung für eine Zentrifuge |
DE102004019368 | 2004-04-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1588769A1 true EP1588769A1 (de) | 2005-10-26 |
EP1588769B1 EP1588769B1 (de) | 2006-09-13 |
Family
ID=34934309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20050005741 Not-in-force EP1588769B1 (de) | 2004-04-21 | 2005-03-16 | Wehreinrichtung für eine Zentrifuge |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1588769B1 (de) |
DE (2) | DE102004019368B4 (de) |
DK (1) | DK1588769T3 (de) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7326169B2 (en) * | 2002-01-30 | 2008-02-05 | Westfalia Separator Ag | Full-jacket helix centrifuge with a weir |
US20110143906A1 (en) * | 2008-08-15 | 2011-06-16 | M-I Llc | Centrifuge |
US20120021889A1 (en) * | 2008-12-30 | 2012-01-26 | Alfa Laval Corporate Ab | Level regulator |
US20120028782A1 (en) * | 2008-12-30 | 2012-02-02 | Alfa Laval Corporate Ab | Power rings |
US8579783B2 (en) | 2009-07-02 | 2013-11-12 | Andritz S.A.S. | Weir and choke plate for solid bowl centrifuge |
CN111151386A (zh) * | 2020-01-16 | 2020-05-15 | 江苏华大离心机制造有限公司 | 一种离心机出液机构 |
JP2021058833A (ja) * | 2019-10-04 | 2021-04-15 | 株式会社Ihi | 遠心分離装置及び遠心分離装置の製造方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1183023B (de) * | 1963-08-09 | 1964-12-03 | Krauss Maffei Ag | Einstellbares Wehr zum Regeln des Fluessigkeitstandes in Vollmantelschleudertrommeln von Schneckenzentrifugen |
US5593377A (en) * | 1993-06-18 | 1997-01-14 | Westfalia Separator Aktiengesellschaft | Weir and choke plate for a solid-jacket centrifuge drum |
EP1280606B1 (de) * | 2000-05-05 | 2003-09-24 | Baker Hughes (Deutschland) GmbH | Vollmantelzentrifuge zur trennung von feststoff-flüssigkeitsgemischen |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3446166C2 (de) * | 1984-12-18 | 1987-04-02 | Flottweg-Werk Bird Machine GmbH, 8313 Vilsbiburg | Einstellbare Wehrplatte für Vollmantel-Schneckenzentrifugen |
DE3822983A1 (de) * | 1988-07-07 | 1990-01-11 | Hiller Gmbh | Vollmantel-schneckenzentrifuge |
DE3921327A1 (de) * | 1989-06-29 | 1991-01-03 | Kloeckner Humboldt Deutz Ag | Wehr zum einstellen des fluessigkeitsstandes in vollmantelzentrifugen |
DE4339582C1 (de) * | 1993-11-19 | 1995-05-11 | Siteg Siebtech Gmbh | Zentrifuge zum Abtrennen einer Flüssigkeit aus einer Feststoff-Flüssigkeit-Suspension |
US5653674A (en) * | 1996-03-27 | 1997-08-05 | Baker Hughes Incorporated | Decanter centrifuge with discharge opening adjustment control and associated method of operating |
-
2004
- 2004-04-21 DE DE200410019368 patent/DE102004019368B4/de not_active Expired - Fee Related
-
2005
- 2005-03-16 EP EP20050005741 patent/EP1588769B1/de not_active Not-in-force
- 2005-03-16 DK DK05005741T patent/DK1588769T3/da active
- 2005-03-16 DE DE200550000099 patent/DE502005000099D1/de active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1183023B (de) * | 1963-08-09 | 1964-12-03 | Krauss Maffei Ag | Einstellbares Wehr zum Regeln des Fluessigkeitstandes in Vollmantelschleudertrommeln von Schneckenzentrifugen |
US5593377A (en) * | 1993-06-18 | 1997-01-14 | Westfalia Separator Aktiengesellschaft | Weir and choke plate for a solid-jacket centrifuge drum |
EP1280606B1 (de) * | 2000-05-05 | 2003-09-24 | Baker Hughes (Deutschland) GmbH | Vollmantelzentrifuge zur trennung von feststoff-flüssigkeitsgemischen |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7326169B2 (en) * | 2002-01-30 | 2008-02-05 | Westfalia Separator Ag | Full-jacket helix centrifuge with a weir |
US20110143906A1 (en) * | 2008-08-15 | 2011-06-16 | M-I Llc | Centrifuge |
US8845506B2 (en) * | 2008-08-15 | 2014-09-30 | M-I L.L.C. | Centrifuge and changeable weir inserts therefor |
US9908125B2 (en) | 2008-08-15 | 2018-03-06 | M-1 L.L.C. | Centrifuge and changeable weir inserts therefor |
US20120021889A1 (en) * | 2008-12-30 | 2012-01-26 | Alfa Laval Corporate Ab | Level regulator |
US20120028782A1 (en) * | 2008-12-30 | 2012-02-02 | Alfa Laval Corporate Ab | Power rings |
US8968169B2 (en) * | 2008-12-30 | 2015-03-03 | Alfa Laval Corporate Ab | Decanter centrifuge having an outlet opening with an inclined edge |
US9028387B2 (en) * | 2008-12-30 | 2015-05-12 | Alfa Laval Corporate Ab | Decanter centrifuge with energy recovery structure |
US8579783B2 (en) | 2009-07-02 | 2013-11-12 | Andritz S.A.S. | Weir and choke plate for solid bowl centrifuge |
JP2021058833A (ja) * | 2019-10-04 | 2021-04-15 | 株式会社Ihi | 遠心分離装置及び遠心分離装置の製造方法 |
CN111151386A (zh) * | 2020-01-16 | 2020-05-15 | 江苏华大离心机制造有限公司 | 一种离心机出液机构 |
Also Published As
Publication number | Publication date |
---|---|
DK1588769T3 (da) | 2007-01-22 |
DE102004019368A1 (de) | 2005-11-17 |
DE102004019368B4 (de) | 2008-03-27 |
DE502005000099D1 (de) | 2006-10-26 |
EP1588769B1 (de) | 2006-09-13 |
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