EP2451584B1 - Centrifuge comprising a centrifugal drum rotatable about a rotational axis - Google Patents

Centrifuge comprising a centrifugal drum rotatable about a rotational axis Download PDF

Info

Publication number
EP2451584B1
EP2451584B1 EP10734090.3A EP10734090A EP2451584B1 EP 2451584 B1 EP2451584 B1 EP 2451584B1 EP 10734090 A EP10734090 A EP 10734090A EP 2451584 B1 EP2451584 B1 EP 2451584B1
Authority
EP
European Patent Office
Prior art keywords
centrifuge
centrifugal drum
centrifuge according
impact chamber
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.)
Active
Application number
EP10734090.3A
Other languages
German (de)
French (fr)
Other versions
EP2451584A1 (en
Inventor
Wilfried Mackel
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.)
GEA Mechanical Equipment GmbH
Original Assignee
GEA Mechanical Equipment GmbH
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 GEA Mechanical Equipment GmbH filed Critical GEA Mechanical Equipment GmbH
Publication of EP2451584A1 publication Critical patent/EP2451584A1/en
Application granted granted Critical
Publication of EP2451584B1 publication Critical patent/EP2451584B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • B04B1/04—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls
    • B04B1/08—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
    • 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

Definitions

  • the invention relates to a centrifuge according to the preamble of claim 1.
  • Such a centrifuge is from the DE 38 28 038 A1 known.
  • a centrifuge according to the preamble of claim 1 is known from DE 38 11 619 C1 known.
  • yeast separators For processing a yeast-containing centrifugal material, preference is given to using nozzle separators, wherein it is attempted to regulate the concentration of the yeast concentrate by using suitable nozzles.
  • yeast separators for example, it is attempted to keep the yeast concentration largely constant with suitable discharge nozzles, it being desirable for the separator to react in a quasi-self-regulating manner to feed fluctuations.
  • suitable discharge nozzles it has been found that this only possible with the help of the use of suitable discharge nozzles.
  • the fluidic diode downstream of the one outlet results in a control effect as a function of the viscosity of the derived product phase, which is preferably, but not necessarily, a yeast concentrate.
  • the fluidic diode can be realized in a simple manner as outside of the rotating centrifugal drum formed swirl chamber, which is preferably cylindrical inside and in turn preferably each has a tangential inlet and an axial outlet.
  • the inlet of the swirl chamber is arranged downstream in the flow direction of a drain hole in the drive spindle of the centrifuge. It is designed as a non-rotating device that is easy to maintain.
  • sealing devices on rotary unions are preferably designed as mechanical seals.
  • FIG. 1 Other elements of the separator such as a drive for rotating the drum and a hood and a machine frame and the like. are in for simplicity FIG. 1 not shown.
  • the separator of the FIG. 1 is designed as a fully hermetic separator.
  • the supply pipe 3 which opens here in a preferred embodiment from above into the centrifugal drum 2.
  • the transition region between the non-rotating inlet pipe 3 and the rotating during operation distributor 4 is sealed with a sealing device 5.
  • this sealing device 5 is designed as a mechanical seal.
  • the distributor 4 has one or more distribution channels 6, through which the material to be processed is fed into the interior of the centrifugal drum 2.
  • a plate package 7 is preferably arranged in the interior of the centrifugal drum 2.
  • This plate package 7 has a plurality of stacked separator plates 8. Rising channels 9 serve to introduce the sling material to be processed into the plate package 7.
  • the material to be processed is separated into at least two product phases.
  • a clarification of a flowable product of solids takes place.
  • the flowable phase is discharged from the centrifugal drum on an inner radius via a preferably throttleable drain 10, which does not rotate with the centrifugal drum during operation.
  • a sealing device 11 is arranged in the transition region between the drain 10 and the centrifugal drum 2.
  • this sealing device 11 is formed as a mechanical seal.
  • the drive spindle 14 is rotatably mounted in a machine frame, not shown here, by means of a bearing device 15, which here has an upper and a lower bearing.
  • the drive spindle 14 with the drain hole 13 opens at its lower end into an inlet 17 of a swirl chamber 18.
  • the swirl chamber 18 does not rotate during operation of the centrifugal drum with this, but stands still.
  • a further sealing device 19 is formed between the transition region of the drive spindle 14 with the drainage bore 13 and the inlet 17 of the swirling space 18. Also for the realization of the sealing device 19, a mechanical seal is preferably used.
  • the swirl space 18 is preferably cylindrical.
  • the inlet 17 opens tangentially into the cylindrical swirl space 18, so that the concentrate of solids, which flows into the cylindrical swirl space, flows tangentially into the swirl space 18.
  • a run 20 of the swirl chamber 18, however, is preferably formed axially. In this way, the cylindrical swirl space 18 with the tangential inlet 17 and the axial outlet 20 in the sense of this application forms a possible fluidic diode.
  • An advantage of this arrangement is that with the hermetic separator 1, in which all inflows and outflows with sealing devices, in particular mechanical seals, equipped, the proportions between concentrate and light phase (ie between the solid phase, which is, however, flowable, and the lighter phase, which is discharged through the drain 10), outside the separator can be adjusted by throttling the processes.
  • the swirling space 18 is placed outside the rotating centrifugal drum of the separator where better accessibility exists. There are also no space problems and it is a slight change in the nozzle size (u.U., even without interruption of operation) by replacing the swirl space possible.

Description

Die Erfindung betrifft eine Zentrifuge nach dem Oberbegriff des Anspruchs 1.The invention relates to a centrifuge according to the preamble of claim 1.

Eine solche Zentrifuge ist aus der DE 38 28 038 A1 bekannt.Such a centrifuge is from the DE 38 28 038 A1 known.

Eine Zentrifuge gemäß dem Oberbegriff des Anspruchs 1 ist aus der DE 38 11 619 C1 bekannt.A centrifuge according to the preamble of claim 1 is known from DE 38 11 619 C1 known.

Es ist bekannt, mittels Separatoren bei der Verarbeitung eines hefehaltigen Schleudergutes - einer hefehaltigen Flüssigkeit - diese Flüssigkeit von Hefe zu klären, wobei eine leichtere Flüssigkeitsphase und ein schwereres Hefekonzentrat getrennt voneinander aus der Schleudertrommel abgeleitet werden.It is known to clarify this liquid of yeast by means of separators in the processing of a yeast-containing spit - a yeast-containing liquid - with a lighter liquid phase and a heavier yeast concentrate are separated from each other from the centrifugal drum.

Zur Verarbeitung eines hefehaltigen Schleudergutes werden vorzugsweise Düsenseparatoren eingesetzt, wobei versucht wird, durch Einsatz geeigneter Düsen die Konzentration des Hefekonzentrats zu regeln. Bei Hefeseparatoren wird beispielsweise versucht, die Hefekonzentration mit geeigneten Austragsdüsen weitgehend konstant zu halten, wobei es wünschenswert ist, dass der Separator quasi selbstregulierend auf Zulaufschwankungen reagiert. Es hat sich allerdings herausgestellt, dass dies mit Hilfe des Einsatzes geeigneter Austragsdüsen nur bedingt gelingt.For processing a yeast-containing centrifugal material, preference is given to using nozzle separators, wherein it is attempted to regulate the concentration of the yeast concentrate by using suitable nozzles. In yeast separators, for example, it is attempted to keep the yeast concentration largely constant with suitable discharge nozzles, it being desirable for the separator to react in a quasi-self-regulating manner to feed fluctuations. However, it has been found that this only possible with the help of the use of suitable discharge nozzles.

Die Lösung dieses Problems ist die Aufgabe der Erfindung.The solution to this problem is the object of the invention.

Die Erfindung löst diese Aufgabe durch den Gegenstand des Anspruchs 1.The invention solves this problem by the subject matter of claim 1.

Vorteilhafte Ausgestaltungen der Erfindung sind den Unteransprüchen zu entnehmen.Advantageous embodiments of the invention can be found in the dependent claims.

Durch die dem einen Ablauf nachgeschaltete strömungstechnische Diode ergibt sich ein Regelungseffekt in Abhängigkeit von der Viskosität der abgeleiteten Produktphase, bei der es sich vorzugsweise - aber nicht zwingend - um ein Hefekonzentrat handelt.The fluidic diode downstream of the one outlet results in a control effect as a function of the viscosity of the derived product phase, which is preferably, but not necessarily, a yeast concentrate.

Konstruktiv lässt sich die strömungstechnische Diode auf einfache Weise als außerhalb der sich drehenden Schleudertrommel ausgebildeter Drallraum realisieren, der vorzugsweise innen zylindrisch ausgebildet ist und wiederum vorzugsweise jeweils einen tangentialen Einlauf und einen axialen Ablauf aufweist.Constructively, the fluidic diode can be realized in a simple manner as outside of the rotating centrifugal drum formed swirl chamber, which is preferably cylindrical inside and in turn preferably each has a tangential inlet and an axial outlet.

Es ist weiter vorteilhaft und konstruktiv unproblematisch umsetzbar, wenn der Einlauf des Drallraums in Strömungsrichtung einer Ablaufbohrung in der Antriebsspindel der Zentrifuge nachgeordnet ist. Er wird als sich im Betrieb nicht drehende Einrichtung ausgelegt, die einfach zu warten ist.It is also advantageous and structurally feasible without problems if the inlet of the swirl chamber is arranged downstream in the flow direction of a drain hole in the drive spindle of the centrifuge. It is designed as a non-rotating device that is easy to maintain.

Unter einer vollhermetischen Ausführung der Zentrifuge im Sinne dieser Anmeldung wird verstanden, dass in Übergangsbereichen zwischen sich nicht drehenden Elementen des Zulaufrohres und sich drehenden Elementen der Schleudertrommel wenigstens eine Dichteinrichtung angeordnet ist und wenn weiter jeweils in dem Übergangsbereich zwischen sich nicht drehenden Elementen der Abläufe und sich drehenden Elementen der Schleudertrommel jeweils wenigstens eine Dichteinrichtung angeordnet ist.Under a hermetic version of the centrifuge in the context of this application is understood that in transition areas between non-rotating elements of the inlet tube and rotating elements of the centrifugal drum at least one sealing device is arranged and if further each in the transition region between non-rotating elements of the processes and themselves rotating elements of the centrifugal drum each at least one sealing device is arranged.

Diese Dichteinrichtungen an Drehdurchführungen werden vorzugsweise als Gleitringdichtungen ausgebildet.These sealing devices on rotary unions are preferably designed as mechanical seals.

Nachfolgend wird die Erfindung anhand eines Ausführungsbeispiels unter Bezug auf die Zeichnung näher beschrieben.The invention will be described with reference to an embodiment with reference to the drawings.

Es zeigt:

  • Figur 1 eine geschnittene Darstellung eines schematisch gezeichneten erfindungs- gemäßen Separators.
  • Figur 1 zeigt einen Separator 1 mit einer Schleudertrommel 2. Die Schleudertrommel 2 ist um eine Drehachse drehbar. Diese Drehachse ist bei einem erfindungsgemäßen Separator vorzugsweise vertikal ausgerichtet.
It shows:
  • FIG. 1 a sectional view of a schematically drawn inventive separator.
  • FIG. 1 shows a separator 1 with a centrifugal drum 2. The centrifugal drum 2 is rotatable about an axis of rotation. This axis of rotation is preferably aligned vertically in a separator according to the invention.

Weitere Elemente des Separators wie ein Antrieb zum Drehen der Trommel sowie eine Haube und einen Maschinengestell u.dgl. sind der Einfachheit halber in Figur 1 nicht dargestellt.Other elements of the separator such as a drive for rotating the drum and a hood and a machine frame and the like. are in for simplicity FIG. 1 not shown.

Der Separator der Figur 1 ist als vollhermetischer Separator ausgelegt.The separator of the FIG. 1 is designed as a fully hermetic separator.

Er weist einen Zulaufrohr 3 auf, das hier in bevorzugter Ausführung von oben in die Schleudertrommel 2 mündet. Das sich im Betrieb nicht drehende Zulaufrohr 3 mündet wiederum in einen Verteiler 4, welcher sich mit der Schleudertrommel 2 dreht.It has an inlet pipe 3, which opens here in a preferred embodiment from above into the centrifugal drum 2. The supply pipe 3, which does not rotate during operation, in turn opens into a distributor 4, which rotates with the centrifugal drum 2.

Der Übergangsbereich zwischen dem sich nicht drehenden Zulaufrohr 3 und dem sich im Betrieb drehenden Verteiler 4 ist mit einer Dichteinrichtung 5 abgedichtet. Vorzugsweise ist diese Dichteinrichtung 5 als Gleitringdichtung ausgebildet.The transition region between the non-rotating inlet pipe 3 and the rotating during operation distributor 4 is sealed with a sealing device 5. Preferably, this sealing device 5 is designed as a mechanical seal.

Der Verteiler 4 weist einen oder mehrere Verteilerkanäle 6 auf, durch welche das zu verarbeitende Schleudergut in den Innenraum der Schleudertrommel 2 geleitet wird. Im Innenraum der Schleudertrommel 2 ist vorzugsweise ein Tellerpaket 7 angeordnet. Dieses Tellerpaket 7 weist eine Vielzahl von übereinander gestapelten Trenntellern 8 auf. Steigekanäle 9 dienen zur Einleitung des zu verarbeitenden Schleuderguts in das Tellerpaket 7.The distributor 4 has one or more distribution channels 6, through which the material to be processed is fed into the interior of the centrifugal drum 2. In the interior of the centrifugal drum 2, a plate package 7 is preferably arranged. This plate package 7 has a plurality of stacked separator plates 8. Rising channels 9 serve to introduce the sling material to be processed into the plate package 7.

In der Schleudertrommel 2 wird das zu verarbeitende Schleudergut in wenigstens zwei Produktphasen getrennt. Im vorliegenden Fall erfolgt dabei eine Klärung eines fließfähigen Produktes von Feststoffen. Die fließfähige Phase wird über einen vorzugsweise androsselbaren Ablauf 10, der im Betrieb nicht mit der Schleudertrommel dreht, aus der Schleudertrommel auf einem inneren Radius abgeleitet.In the centrifugal drum 2, the material to be processed is separated into at least two product phases. In the present case, a clarification of a flowable product of solids takes place. The flowable phase is discharged from the centrifugal drum on an inner radius via a preferably throttleable drain 10, which does not rotate with the centrifugal drum during operation.

Im Übergangsbereich zwischen dem Ablauf 10 und der Schleudertrommel 2 ist wiederum eine Dichteinrichtung 11 angeordnet. Vorzugsweise ist auch diese Dichteinrichtung 11 als Gleitringdichtung ausgebildet.In the transition region between the drain 10 and the centrifugal drum 2, in turn, a sealing device 11 is arranged. Preferably, this sealing device 11 is formed as a mechanical seal.

Die Ableitung der Feststoffphase aus der Schleudertrommel 12 erfolgt dagegen an einem äußeren Radius im Inneren der Schleudertrommel über einen Ablauf 12 nach unten aus der Trommel 2 in eine Ablaufbohrung 13, die hier im Inneren einer Antriebsspindel 14 ausgebildet ist, auf deren oberes vertikales Ende die Schleudertrommel 2 drehfest aufgesetzt ist.The derivative of the solid phase from the centrifugal drum 12, however, takes place at an outer radius inside the centrifugal drum via a drain 12 down from the drum 2 in a drain hole 13, which is formed here inside a drive spindle 14, on the upper vertical end of the centrifugal drum 2 is mounted rotationally fixed.

Die Antriebsspindel 14 ist mittels einer Lagereinrichtung 15, die hier ein oberes und ein unteres Lager aufweist, drehbar in einem hier nicht dargestellten Maschinengestell gelagert. Ein Antriebsriemen 16, der von einem hier nicht dargestellten Antriebsmotor angetrieben wird, dient dazu, die Antriebsspindel 14 und damit die Schleudertrommel 2 in Drehung zu versetzen.The drive spindle 14 is rotatably mounted in a machine frame, not shown here, by means of a bearing device 15, which here has an upper and a lower bearing. A drive belt 16, which is driven by a drive motor, not shown here, serves to put the drive spindle 14 and thus the centrifugal drum 2 in rotation.

Die Antriebsspindel 14 mit der Ablaufbohrung 13 mündet an ihrem unteren Ende in einen Einlauf 17 eines Drallraumes 18. Der Drallraum 18 dreht sich im Betrieb der Schleudertrommel nicht mit dieser mit, sondern steht still. Zur Realisierung einer vollhermetischen Ausgestaltung des Separators ist von daher eine weitere Dichteinrichtung 19 zwischen dem Übergangsbereich der Antriebsspindel 14 mit der Ablaufbohrung 13 und dem Einlauf 17 des Drallraums 18 ausgebildet. Auch zur Realisierung der Dichteinrichtung 19 wird vorzugsweise eine Gleitringdichtung verwendet.The drive spindle 14 with the drain hole 13 opens at its lower end into an inlet 17 of a swirl chamber 18. The swirl chamber 18 does not rotate during operation of the centrifugal drum with this, but stands still. To realize a fully hermetic embodiment of the separator, therefore, a further sealing device 19 is formed between the transition region of the drive spindle 14 with the drainage bore 13 and the inlet 17 of the swirling space 18. Also for the realization of the sealing device 19, a mechanical seal is preferably used.

Der Drallraum 18 ist vorzugsweise zylindrisch ausgebildet. Der Einlauf 17 mündet tangential in den zylindrischen Drallraum 18, so dass das Konzentrat aus Feststoffen, welches in den zylindrischen Drallraum einfließt, tangential in den Drallraum 18 einströmt. Ein Ablauf 20 des Drallraumes 18 ist dagegen vorzugsweise axial ausgebildet. Derart bildet der zylindrische Drallraum 18 mit dem tangentialen Einlauf 17 und dem axialen Ablauf 20 im Sinne dieser Anmeldung eine mögliche strömungstechnische Diode aus.The swirl space 18 is preferably cylindrical. The inlet 17 opens tangentially into the cylindrical swirl space 18, so that the concentrate of solids, which flows into the cylindrical swirl space, flows tangentially into the swirl space 18. A run 20 of the swirl chamber 18, however, is preferably formed axially. In this way, the cylindrical swirl space 18 with the tangential inlet 17 and the axial outlet 20 in the sense of this application forms a possible fluidic diode.

Vorteilhaft an dieser Anordnung ist, dass mit dem vollhermetischen Separator 1, bei dem sämtliche Zu- und Abläufe mit Dichteinrichtungen, insbesondere Gleitringdichtungen, ausgestattet sind, die Mengenverhältnisse zwischen Konzentrat und leichter Phase (d.h. zwischen der Feststoffphase, die allerdings fließfähig ist, und der leichteren Phase, die durch den Ablauf 10 abgeleitet wird), außerhalb des Separators durch Drosseln der Abläufe einstellen lässt.An advantage of this arrangement is that with the hermetic separator 1, in which all inflows and outflows with sealing devices, in particular mechanical seals, equipped, the proportions between concentrate and light phase (ie between the solid phase, which is, however, flowable, and the lighter phase, which is discharged through the drain 10), outside the separator can be adjusted by throttling the processes.

Da in den Konzentratraum ein zylindrischer Drallraum integriert ist, der als strömungstechnische Diode wirkt, ergibt sich zudem ein Regelungseffekt in Abhängigkeit von der Viskosität.Since a cylindrical swirl space is integrated in the concentrate space, which acts as a fluidic diode, there is also a control effect as a function of the viscosity.

Besonders vorteilhaft daran ist, dass mit einem einzigen Element für den gesamten Konzentratstrom ein Regelungseffekt erzielbar ist.It is particularly advantageous because with a single element for the entire concentrate flow, a control effect can be achieved.

Vorzugsweise wird der Drallraum 18 außerhalb der sich drehenden Schleudertrommel des Separators platziert, wo eine bessere Zugänglichkeit besteht. Dort bestehen auch keine Platzprobleme und es ist eine leichte Veränderung der Düsengröße (u.U. sogar ohne Betriebsunterbrechung) durch Austausch des Drallraumes möglich.Preferably, the swirling space 18 is placed outside the rotating centrifugal drum of the separator where better accessibility exists. There are also no space problems and it is a slight change in the nozzle size (u.U., even without interruption of operation) by replacing the swirl space possible.

Eine Verstopfungsgefahr wird damit quasi ausgeschlossen.A risk of clogging is thus virtually eliminated.

Bezugszeichenreference numeral

Separatorseparator
11
Schleudertrommelcentrifugal drum
22
Zulaufrohrsupply pipe
33
Verteilerdistributor
44
Dichteinrichtungsealing device
55
Verteilerkanaldistribution channel
66
TellerpaketDisc stack
77
Trenntellerseparator disc
88th
Steigekanalrising channel
99
Ablaufprocedure
1010
Dichteinrichtungsealing device
1111
Ablaufprocedure
1212
Ablaufbohrungdrain hole
1313
Antriebsspindeldrive spindle
1414
LagereinrichtungStorage facility
1515
Antriebsriemendrive belts
1616
Einlaufenema
1717
Drallraumswirl space
1818
Dichteinrichtungsealing device
1919
Ablaufprocedure
2020

Claims (11)

  1. A centrifuge, comprising a centrifugal drum which is rotatable about a rotational axis, especially a separator provided with a centrifugal drum (2) which can be rotated about a vertical rotational axis, having an intake (3) for a product to be centrifuged and at least two outlets (10; 12, 13) for discharging a lighter phase and a heavier phase from the centrifugal drum (2), and which is provided with a drive spindle (14), wherein the centrifuge comprises a configuration of the rotating system which is sealed to the ambient environment and at least one flow-related diode arranged downstream from one of the outlets (12, 13) in the direction of flow, characterized in that the flow-related diode is formed as an impact chamber (18) which does not co-rotate in operation with the centrifugal drum of the separator.
  2. A centrifuge according to claim 1, characterized in that the impact chamber (18) is formed cylindrically or conically.
  3. A centrifuge according to claim 2, characterized in that the impact chamber (18) has a tangential inlet (17).
  4. A centrifuge according to claim 3, characterized in that the impact chamber (18) has an axial outlet (20).
  5. A centrifuge according to claim 2 or 3, characterized in that the inlet (17) of the impact chamber (18) is arranged downstream in the direction of flow to an outlet borehole (30) in the drive spindle (14) of the centrifuge.
  6. A centrifuge according to one of the preceding claims, characterized in that at least one sealing device (5) is arranged in the transitional regions between the non-rotating elements of the intake pipe (3) and the rotating elements of the centrifugal drum (2) for realising a fully hermetic configuration of the centrifuge.
  7. A centrifuge according to claim 6, characterized in that at least one sealing device (11, 19) is further arranged in the transitional region between the non-rotating elements of the outlets (11, 13) and the rotating elements of the centrifugal drum (2) for realising a fully hermetic configuration of the centrifuge.
  8. A centrifuge according to claim 6 or 7, characterized in that the sealing device (5, 11, 13) is respectively formed as a mechanical seal.
  9. A centrifuge according to claim 6, 7 or 8, characterized in that one of the sealing devices is arranged between an outlet borehole (13) in the drive spindle (14) and the inlet (17) of the impact chamber (18).
  10. A centrifuge according to one of the claims 7 to 9, characterized in that one of the sealing devices (5) is arranged between an intake pipe (3) and a distributor (4) in the rotatable centrifugal drum (2).
  11. A centrifuge according to one of the claims 7 to 10, characterized in that one of the sealing devices (5) is arranged between an outlet (10) and the centrifugal drum (2).
EP10734090.3A 2009-07-10 2010-07-09 Centrifuge comprising a centrifugal drum rotatable about a rotational axis Active EP2451584B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910032618 DE102009032618A1 (en) 2009-07-10 2009-07-10 Centrifuge with a centrifugal drum rotatable about a rotation axis
PCT/EP2010/059891 WO2011004007A1 (en) 2009-07-10 2010-07-09 Centrifuge comprising a centrifugal drum rotatable about a rotational axis

Publications (2)

Publication Number Publication Date
EP2451584A1 EP2451584A1 (en) 2012-05-16
EP2451584B1 true EP2451584B1 (en) 2017-03-01

Family

ID=43037710

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10734090.3A Active EP2451584B1 (en) 2009-07-10 2010-07-09 Centrifuge comprising a centrifugal drum rotatable about a rotational axis

Country Status (3)

Country Link
EP (1) EP2451584B1 (en)
DE (1) DE102009032618A1 (en)
WO (1) WO2011004007A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3666388A1 (en) * 2018-12-10 2020-06-17 Alfa Laval Corporate AB Centrifugal separation system and method
EP3797872B1 (en) * 2019-09-25 2024-04-10 Alfa Laval Corporate AB Centrifugal separator and a method to control of the same
EP4154983A1 (en) * 2021-09-23 2023-03-29 Alfa Laval Corporate AB A centrifugal separator having a hermetic inlet and outlet

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE816525C (en) * 1949-09-11 1951-10-11 Bergedorfer Eisenwerk A G Sealing of fluid-carrying nozzles in hermetic separators
DE3828038A1 (en) * 1987-10-16 1989-04-27 Westfalia Separator Ag Centrifuge drum for separating mixtures of fluids
DE3811619C1 (en) * 1988-03-12 1989-08-17 Westfalia Separator Ag, 4740 Oelde, De

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2451584A1 (en) 2012-05-16
WO2011004007A1 (en) 2011-01-13
DE102009032618A1 (en) 2011-01-13

Similar Documents

Publication Publication Date Title
EP2864053B1 (en) Separator
EP2036613B1 (en) Stirring ball mill
EP3717132B1 (en) Separator
EP3426405B1 (en) Separator
EP2451585B1 (en) Separator comprising a vertical rotational axis
EP1786565B1 (en) Self-dumping separator with a disc stack
EP1345700B1 (en) Solid-bowl screw centrifuge
EP2451584B1 (en) Centrifuge comprising a centrifugal drum rotatable about a rotational axis
WO2014009272A1 (en) Solid-bowl screw centrifuge with overflow weir
EP1585599B1 (en) Solid bowl helical conveyor centrifuge comprising an adjustable outlet for solids
WO2017016827A1 (en) Separator drum and separator
EP2392405B1 (en) Separator
EP1508377B1 (en) Separator
WO2011117090A1 (en) Solid bowl screw centrifuge
WO2020173545A1 (en) Separator
DE10331732A1 (en) centrifuge
EP2643092B1 (en) Method for processing a product in a centrifugal field
EP1613419B1 (en) Filtering device
EP2571621B1 (en) Solid bowl screw centrifuge
WO2021064025A1 (en) Solid-bowl screw centrifuge
DE102004016885B4 (en) Centrifuge, has drum body with centrifuging spaces that extend radial from periphery of spaced into drum body, where spaces are moved into respective separating plate packets that are close to each other
DE102012018241B4 (en) separator
WO2023135051A1 (en) Solid bowl centrifuge and method for controlling the separation process of the solid bowl centrifuge
EP1949966A1 (en) Solid wall helical centrifuge with pressure plate
WO2009098199A1 (en) Separator drum with a drum cover comprising many parts

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

17P Request for examination filed

Effective date: 20120127

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20160907

GRAJ Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTC Intention to grant announced (deleted)
GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

INTG Intention to grant announced

Effective date: 20170118

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

Ref country code: AT

Ref legal event code: REF

Ref document number: 870648

Country of ref document: AT

Kind code of ref document: T

Effective date: 20170315

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502010013248

Country of ref document: DE

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20170301

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

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

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170602

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170301

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170301

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170301

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170601

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

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170301

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170601

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170301

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

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170301

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

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170301

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170301

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170301

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170301

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170301

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

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170703

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170701

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170301

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170301

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502010013248

Country of ref document: DE

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

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

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170301

26N No opposition filed

Effective date: 20171204

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

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170301

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

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

Effective date: 20170709

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20180330

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

Ref country code: IE

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

Effective date: 20170709

Ref country code: CH

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

Effective date: 20170731

Ref country code: LI

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

Effective date: 20170731

Ref country code: GB

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

Effective date: 20170709

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: 20170731

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20170731

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

Ref country code: LU

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

Effective date: 20170709

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

Ref country code: BE

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

Effective date: 20170731

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 870648

Country of ref document: AT

Kind code of ref document: T

Effective date: 20170709

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

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170301

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

Ref country code: AT

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

Effective date: 20170709

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

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170301

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20100709

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

Ref country code: CY

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

Effective date: 20170301

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

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170301

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

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170301

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

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20170301

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230402

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

Ref country code: SE

Payment date: 20230721

Year of fee payment: 14

Ref country code: DE

Payment date: 20230724

Year of fee payment: 14