EP2830777A2 - Arrangement de séparateur - Google Patents

Arrangement de séparateur

Info

Publication number
EP2830777A2
EP2830777A2 EP13714233.7A EP13714233A EP2830777A2 EP 2830777 A2 EP2830777 A2 EP 2830777A2 EP 13714233 A EP13714233 A EP 13714233A EP 2830777 A2 EP2830777 A2 EP 2830777A2
Authority
EP
European Patent Office
Prior art keywords
space
drive
hood
drum
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
Application number
EP13714233.7A
Other languages
German (de)
English (en)
Other versions
EP2830777B2 (fr
EP2830777B1 (fr
Inventor
Wilfried Mackel
Thomas Bathelt
Andreas Penkl
Dieter Strauch
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=49112330&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2830777(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by GEA Mechanical Equipment GmbH filed Critical GEA Mechanical Equipment GmbH
Priority to PL13714233T priority Critical patent/PL2830777T3/pl
Publication of EP2830777A2 publication Critical patent/EP2830777A2/fr
Application granted granted Critical
Publication of EP2830777B1 publication Critical patent/EP2830777B1/fr
Publication of EP2830777B2 publication Critical patent/EP2830777B2/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B15/00—Other accessories for centrifuges
    • B04B15/08—Other accessories for centrifuges for ventilating or producing a vacuum in the centrifuge
    • 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
    • B04B1/14—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 periodical discharge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B15/00—Other accessories for centrifuges
    • B04B15/02—Other accessories for centrifuges for cooling, heating, or heat insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B7/00—Elements of centrifuges
    • B04B7/02—Casings; Lids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
    • B04B9/02—Electric motor drives

Definitions

  • the invention relates to a separator arrangement according to the preamble of claim 1.
  • centrifuge drums are arranged and operated in a space which has a negative pressure relative to the environment.
  • the separator assembly shown in the generic EP 1 1 19 416 B1 and its counterpart used in practice have a separator drum for liquid / liquid / solid separation with a vertical axis of rotation, which is arranged in a sealed container or hood space in which a negative pressure with respect to the environment can be generated by means of a pump.
  • the separator drum has an inlet pipe and one or more peeling disks for discharging the one or more liquid phases and solids discharge openings for the continuous or intermittent discharge of solids.
  • inventions solves this problem by the subject matter of claim 1 or the backrest of the claims as subordinate claims but also considered as juxtaposed claims 1, 5, 7, 13, 14, 15.
  • claim 1 is at least the drive space under negative pressure set against the environment, in particular, in order to achieve an energy saving at rotating parts of this area.
  • the components of the drive device - in particular motor, clutch, spindle, bearing and / or other drive components - containing space is to wholly or at least in a sub-region generates a negative pressure relative to the environment.
  • the drive space area with a pump or other vacuum generating device is evacuated and / or it is connected to the (hood) space which surrounds the drum, so that a pump or a corresponding device, which optionally complementary in this room If the hood area, in which the drum is arranged, is placed under negative pressure relative to the surroundings, an energy saving can also be achieved here.
  • a variant for a vacuum connection may be a connection via a bore in the spindle.
  • the free end of the spindle is guided down through the sealed frame wall and via sealed connections, the connection to a vacuum system.
  • the hole in the spindle ends in the area below the drum in the hood area.
  • the passage of the spindle through the GE partition wall is also sealed by means of sliding elements.
  • the non-continuously usable laboratory centrifuge of JP 32 58 359 A is mentioned, in which the products to be spun are taken up in sample glasses, so that the product is well protected during spin-drying.
  • a fluid especially oil or water cooled engine.
  • a cooling fluid supply through the drum (according to DE 19922237) also appears advantageous.
  • a negative pressure is produced below the atmospheric pressure, in particular 0.3 bar less than this, preferably 0.4 bar less than this, in particular 0.7 bar less than this.
  • the value of the negative pressure is changed in any case in the hood space with the drum during operation depending on the operating state.
  • a change in the negative pressure take place before, during or after a change in the operating state.
  • the change in the operating state which takes place before, during or after the change in the negative pressure, be a solids discharge.
  • the negative pressure can be slightly increased shortly before or at least during emptying (eg from 0.2 bar to 0.5 bar) and lowered again after emptying (eg back to 0.2 bar), so that no solids are discharged adverse effects due to the high negative pressure occur.
  • the change in the operating state before, during or after the change in the negative pressure takes place be a start-up or Abfahr- / phase-out.
  • the invention is particularly suitable for a separator arrangement with a separator having a drum with a vertical axis of rotation, which is mounted on a rotatable drive shaft.
  • spindle is mounted and surrounded by a hood, wherein the drums have a drum diameter greater than 500 mm, in particular 800 mm, most preferably greater than 900 mm and / or speeds, for example, greater 8000 U / min, 5000 U / min, 4000 U / min in operation exhibit.
  • the peripheral speed at the drum outer diameter is at least 100 m / s or more.
  • the surface of the drum is further preferably 0.5 m 2 to 5 m 2, insbesonde- re 1 -3.5 m 2, so that the effect of the support of the negative pressure producing a particularly advantageous effect.
  • Figure 1 is a schematic representation of a first separator according to the invention with a drive space shown in section.
  • FIG. 2 shows a schematic representation of a second separator arrangement according to the invention with a drive space shown in section;
  • FIG. 3 shows a schematic representation of a third separator arrangement according to the invention with a drive space shown in section; 1 shows a separator arrangement 1 with a separator with a vertical axis of rotation D, which has a rotatable drum 2, which is mounted on a rotatable drive spindle 3.
  • the product feed of a processable product P in a continuous operation is preferably carried out from above through a supply pipe 4 (not shown here in detail).
  • This structure is preferred. But it is also a hanging drum with a drive above the drum feasible.
  • the product to be processed is continuously fed into the drum, continuously centrifuged, and at least one or all of those formed upon clarification and / or separation Phases are / are derived continuously.
  • Liquid phase (s) is / are continuously discharged.
  • a possibly also formed solid phase can be discharged continuously through nozzles or not continuously, for example with closable by piston valves openings.
  • the drum 2 is here designed to separate the product P to be processed into at least one liquid phase L or several liquid phases and a solid phase S.
  • it like the drum of EP 1 1 19 416 B1 or the pendant used in practice, it preferably has a separating disk stack of separating discs (not shown here) inside.
  • the liquid phases L are discharged from the drum 2 via liquid outlets, in particular peeling disks in the manner of a centripetal pump.
  • the derivative of the solid phase S takes place either discontinuously at discontinuously closed solids discharge openings 5 in the drum shell or continuously through nozzles in the drum shell.
  • the drum 2 is inserted in a sealed against the environment hood space 6.
  • This hood space 6 is here by a hood 7, which is fixed to a foundation - here a machine frame 8 - a cover 9 below the drum, which is fixed to the hood 7 and a spindle housing 10 is limited, which is penetrated by the drive spindle 3 , set.
  • a solids scavenger 1 1 is further formed, which serves to derive from the drum emerging solids from the hood space by a solids discharge 1 2.
  • a pump 14a (or other means for lowering the pressure in the hood space 6 relative to the environment) is further connected to a vacuum port 1 3, with which in the hood space 6 a negative pressure relative to the environment U au ßer Halb the hood space. 6 can be generated.
  • this vacuum port 1 3 is formed at a position which is relative to the rotation axis D at a relatively large radius R p , in particular at a radius which is equal to or greater than the largest radius R T of the drum second
  • the energy consumption of the separator arrangement 1 is then further reduced by the fact that not only the hood space 6, in which the drum 2 is arranged, but also a drive space 15, in which one or more components of a separator drive 1 6 are arranged so sealed, that in turn with at least one further pump 14b or also with the pump 14a, a negative pressure, in particular a negative pressure of more than 0.2 bar, compared to the ambient pressure in the environment U generated can be generated or in operation.
  • the drive space 1 5 is here limited to a drive housing 1 7, which, in accordance with the task of generating a negative pressure with respect to the environment U in the drive space 15, is again embodied in a correspondingly sealed design.
  • a drive housing 1 7 which, in accordance with the task of generating a negative pressure with respect to the environment U in the drive space 15, is again embodied in a correspondingly sealed design.
  • suitable seals 1 8 are formed.
  • the drive space 15 is bounded by the machine frame 8 and closure plates 19, close the openings of the machine frame. At the top, it is bounded by the cover 9 below the drum 2 and the single or multi-part spindle housing 10.
  • the pump 14 b can be connected to a vacuum port 20 of the drive chamber 15.
  • the spindle bearing is wholly or partially - here both a neck bearing 21 a and a predominantly larger 21 b - arranged in the negative pressure region. But it is also conceivable that one (in particular the neck bearing 21 a) or both bearings 21 a, b do not belong to this negative pressure range.
  • the spindle housing 10 rests on the machine frame 8 in a flange area supported by elastic elements 40.
  • the drive motor 22 is arranged, which is formed here directly in the axial extension of the drive spindle 3, so that a so-called direct drive for the drum 2 is formed.
  • the rotor 22a is here attached directly to the drive spindle 3 and the stator 22b is in a motor housing 23, which in turn is fixed to the side facing away from the hood space 6 side of the machine frame 8.
  • a direct drive is preferably accommodated in the drive space, but the electric drive motor 22 could also be arranged between the bearings 21 a, b (the latter variant not shown here). It is also conceivable to accommodate the drive motor in the negative pressure region of the drive chamber 15, which is connected via a coupling with the drive spindle 3 (also not shown here).
  • a lubrication system 24 is arranged, which serves for the lubrication of the spindle bearing 21 and / or for the lubrication of components on the engine.
  • the lubrication system here has a lubricant circuit, which the elements oil reservoir 25, pump 26, supply line 27a, b to the spindle bearing 21, oil collection container 28 which is rotatably connected to the spindle and in which a due to the cup-like design in a radius Oil level is formed, a peeling member 29, which discharges the oil in the collecting container, as well as a return line 27 c, d in the oil tank 25 has.
  • all these elements of the lubrication system are advantageous and compact in the negative pressure area, ie housed in the drive room.
  • one or more passage openings 34, 35, 36, 37 are further formed, which ensure that within the drive space 1 5 as possible no pressure gradients arise.
  • the hood space 6 and the drive space 1 5 are not sealed from each other.
  • the cover 9 is not radially sealed below the drum 2 inside the spindle housing 1 0 but that between these elements, a gap 42 is formed, for a pressure equalization between the hood space 6 and the drive space 1 fifth provides.
  • no seal eg no mechanical seal is needed.
  • the negative pressure in both chambers 6, 15 can be generated simultaneously. But it can also be provided several pumps.
  • both the area inside the hood 7 and the drive space 15 with one or more especially rotatable drive components are sealed off from the surroundings U of the hood 7 so that it is possible to use this area with a pump 14a.
  • the air / gas from the area between the hood 7 and the drum 2 and / or the drive space 15 can pump to put under negative pressure relative to the environment U.
  • FIG. 2 The entire energy of the engine and the oil supply of the drive (motor) is also shown in FIG. 2 in the closed drive chamber 15. According to FIG. 3, however, no circulation lubrication or no lubricant circuit within the drive chamber 15 is arranged. The lubricating oil supply and removal takes place in this case via an externally (outside the drive space) installed lubricating oil unit (not shown here). All separator arrangement of Figs. 1 to 3 are also the highest energy savings requirements.
  • the pump 14a is arranged to generate the back pressure by suction on a large, in particular the largest, radius / diameter of the hood 7.
  • the suction takes place at a radius of the hood 7, which is based on the axis of rotation on a radius which is greater than 80%, in particular more than 100%, of the largest drum radius.
  • the support by the drum differential pressure effect has an advantageous effect.
  • Equally advantageous and structurally simple would be one or a further vacuum connection through the spindle 3 into the drive space 15 (for example a hole in machines with an external oil aggregate).
  • the separator arrangement of the type of FIG. 1 also meets the highest energy saving requirements.
  • the pump (14a) is designed to generate the Unterstrucks by suction on large, especially the largest diameter of the hood.
  • the suction takes place at a diameter of the hood, which is based on the axis of rotation on a larger radius than the largest drum radius.
  • the support by the drum differential pressure effect in particular has an advantageous effect.

Landscapes

  • Centrifugal Separators (AREA)
  • Rotary Pumps (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

L'invention concerne un arrangement de séparateur comportant a) un tambour tournant (1), disposé dans une chambre de capot (6), comprenant un axe de rotation vertical (D) placé sur une broche d'entraînement tournante (3), b) une chambre d'entraînement (15) contenant un, plusieurs ou tous les composants d'un entraînement de séparateur (23), comprenant c) une structure étanchée de la chambre d'entraînement (15), et d) au moins un dispositif générateur de vide, en particulier une pompe (14a, b, c...), étant prévu pour faire le vide dans la chambre d'entraînement (15) par rapport à l'environnement (U) en dehors de ladite chambre d'entraînement (15).
EP13714233.7A 2012-03-26 2013-03-22 Arrangement de séparateur Active EP2830777B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13714233T PL2830777T3 (pl) 2012-03-26 2013-03-22 Układ separatora

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102012102593 2012-03-26
DE102013100180A DE102013100180A1 (de) 2012-03-26 2013-01-09 Separatoranordnung
PCT/EP2013/056015 WO2013143985A2 (fr) 2012-03-26 2013-03-22 Arrangement de séparateur

Publications (3)

Publication Number Publication Date
EP2830777A2 true EP2830777A2 (fr) 2015-02-04
EP2830777B1 EP2830777B1 (fr) 2018-04-25
EP2830777B2 EP2830777B2 (fr) 2024-01-10

Family

ID=49112330

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13714233.7A Active EP2830777B2 (fr) 2012-03-26 2013-03-22 Arrangement de séparateur

Country Status (12)

Country Link
US (1) US10105717B2 (fr)
EP (1) EP2830777B2 (fr)
CN (1) CN104271249B (fr)
AU (1) AU2013242071B2 (fr)
BR (1) BR112014023659B1 (fr)
DE (1) DE102013100180A1 (fr)
DK (1) DK2830777T3 (fr)
NZ (1) NZ700141A (fr)
PL (1) PL2830777T3 (fr)
RU (1) RU2622946C2 (fr)
TR (1) TR201809513T4 (fr)
WO (1) WO2013143985A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2830777B1 (fr) 2012-03-26 2018-04-25 GEA Mechanical Equipment GmbH Arrangement de séparateur

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009022972A1 (de) * 2009-05-28 2010-12-02 Gea Westfalia Separator Gmbh Zentrifuge mit einem Schmiermittelsystem
DE102012110846A1 (de) * 2012-11-12 2014-05-15 Gea Mechanical Equipment Gmbh Separator mit Direktantrieb
CN105107638A (zh) * 2015-08-27 2015-12-02 张家港市中南化工机械有限公司 一种卧式刮刀卸料离心机
RU2631951C1 (ru) * 2017-01-19 2017-09-29 Федеральное казенное предприятие "Научно-исследовательский институт "Геодезия" (ФКП "НИИ "Геодезия") Вакуумная центрифуга
DE102017114649A1 (de) * 2017-06-30 2019-01-03 Gea Mechanical Equipment Gmbh Separator mit Direktantrieb
WO2019121439A1 (fr) * 2017-12-22 2019-06-27 Tetra Laval Holdings & Finance S.A. Procédé de fonctionnement d'un séparateur centrifuge
DE102018108471A1 (de) * 2018-04-10 2019-10-10 Gea Mechanical Equipment Gmbh Verfahren, mit dem ein Schmiermitteldurchfluss an einer Zentrifuge überwacht wird
DE102018131956A1 (de) 2018-12-12 2020-06-18 Gea Mechanical Equipment Gmbh Separator und Verfahren zu dessen Betrieb
CN112170023B (zh) * 2020-09-18 2022-05-27 中国人民解放军陆军军医大学第二附属医院 一种离心机
EP4094839B1 (fr) * 2021-05-28 2024-01-31 Alfa Laval Corporate AB Séparateur centrifuge
CN116764824B (zh) * 2023-08-25 2023-11-07 山东万佳食品有限公司 一种味精生产用离心机

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DE3523907A1 (de) * 1985-07-04 1987-01-15 Westfalia Separator Ag Verfahren und vorrichtung zur zentrifugalen reinigung von gebrauchten mineraloelen
US4941866A (en) * 1986-11-20 1990-07-17 Gorodissky Boris P Centrifuge
SU1704839A1 (ru) * 1988-07-18 1992-01-15 Московское научно-производственное объединение "Биофизприбор" Привод ультрацентрифуги
DE3924372C1 (fr) 1989-07-22 1990-11-22 Westfalia Separator Ag, 4740 Oelde, De
JP2600957B2 (ja) * 1990-03-09 1997-04-16 日立工機株式会社 遠心機の排気構造
RU2041742C1 (ru) * 1992-04-07 1995-08-20 Научно-исследовательский институт прикладной математики и кибернетики при Нижегородском государственном университете им.Н.И.Лобачевского Ультрацентрифуга
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DE102012110846A1 (de) * 2012-11-12 2014-05-15 Gea Mechanical Equipment Gmbh Separator mit Direktantrieb

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Title
See references of WO2013143985A2 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2830777B1 (fr) 2012-03-26 2018-04-25 GEA Mechanical Equipment GmbH Arrangement de séparateur

Also Published As

Publication number Publication date
NZ700141A (en) 2016-07-29
DE102013100180A1 (de) 2013-09-26
CN104271249B (zh) 2016-07-06
EP2830777B2 (fr) 2024-01-10
EP2830777B1 (fr) 2018-04-25
DK2830777T3 (en) 2018-07-23
US20150051059A1 (en) 2015-02-19
TR201809513T4 (tr) 2018-07-23
AU2013242071B2 (en) 2017-07-06
US10105717B2 (en) 2018-10-23
RU2622946C2 (ru) 2017-06-21
AU2013242071A1 (en) 2014-10-09
CN104271249A (zh) 2015-01-07
RU2014142175A (ru) 2016-05-20
WO2013143985A3 (fr) 2014-06-26
BR112014023659B1 (pt) 2020-06-30
PL2830777T3 (pl) 2018-09-28
WO2013143985A2 (fr) 2013-10-03

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