EP3717132A1 - Séparateur - Google Patents

Séparateur

Info

Publication number
EP3717132A1
EP3717132A1 EP18804286.5A EP18804286A EP3717132A1 EP 3717132 A1 EP3717132 A1 EP 3717132A1 EP 18804286 A EP18804286 A EP 18804286A EP 3717132 A1 EP3717132 A1 EP 3717132A1
Authority
EP
European Patent Office
Prior art keywords
drum
housing
separator according
bearing
openings
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
EP18804286.5A
Other languages
German (de)
English (en)
Other versions
EP3717132B1 (fr
Inventor
Rüdiger GÖHMANN
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 EP3717132A1 publication Critical patent/EP3717132A1/fr
Application granted granted Critical
Publication of EP3717132B1 publication Critical patent/EP3717132B1/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
    • 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
    • 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
    • B04B7/00—Elements of centrifuges
    • B04B7/08—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
    • B04B9/04—Direct drive
    • 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
    • B04B9/12—Suspending rotary bowls ; Bearings; Packings for bearings

Definitions

  • the invention relates to a separator according to the preamble of claim 1.
  • a generic separator for T rennung a flowable product in various phases which comprises a rotatable drum with a drum base and a drum shell and arranged in the drum means for clarifying, wherein one, several or all fol gender elements made of plastic or a plastic composite material: the drum base, the drum shell, the means for clarifying.
  • the drum base the drum base
  • the drum shell the means for clarifying.
  • a device for the separation of blood into two phases of different density comprising a magnetic device Antriebsvor and a container which is offset by the drive device in a rotational movement about its own axis, wherein the container at least one has open end and in this at least one inlet, and wherein the container is stored magnetically floating.
  • the problem is so far not satisfactorily dissolved derivative of the two forming in the centrifugal separation phases of the open cup-like rotor.
  • the rotating container be inserted into a non-rotating, rotating container surrounding the housing, which is designed to be closed except for one inlet and two drains.
  • the stationary housing is vertically from above into the rotating container introduced into a centric inlet pipe from which a first phase is in turn pumped vertically upwards with a kind of peeling and wherein the rotating container further comprises at its vertical upper end an overflow for a second phase, so that these in operation in the surrounding non-rotating housing flows, so that this fills in operation until the liq stechniksphase also flows from the stationary housing in turn by an overflow to the outside.
  • This design has the disadvantage that only barely meaningful higher speeds can be realized, which rotates the inner - rotating - Be ratio in the liquid collecting in the housing.
  • the invention has the object to solve this problem.
  • the invention solves this problem by the subject matter of claim 1. It provides a separator for separating a flowable suspension in a Zentri fugalfeld in at least two flowable phases of different density, comprising the following: a) a stationary in operation housing, the manner of a container is designed, which has at least three openings, these openings comprise a Zulauföff tion for a tapered suspension and two vertically spaced processes for flowable phases of different density, which are preferably associated with each annular spaces of the housing,
  • a rotatable drum disposed within the housing with a verti cal axis of rotation, which also has three openings which correspond to the openings of the housing of a),
  • the inlet is designed as an inlet pipe, which extends from above vertically toward the center of the Ge housing and that the two processes are radially aligned.
  • the storage and drive device has at least two permanently and / or electromagnetically acting storage and / or drive units. It is thus possible to influence the operating behavior of the drum in a more targeted manner than if this task is carried out with only a single La ger and drive unit.
  • one of the bearing and / or drive units is designed as a first, axially acting magnetic bearing, which is formed below the drum and is designed substantially or exclusively to keep the drum axially verti cal in suspension.
  • a second of the bearing and / or Antriebssein units is designed to store the drum at its lower end radially and to set in rotation.
  • a third of the storage and / or drive units is formed as a radially acting magnetic bearing for supporting the drum at its upper axial end and angeord net.
  • the housing finally has the three openings and is otherwise formed hermetically closed from. This makes it easier to provide a separator having the disposable components "drum” and “housing", whereas at least parts of the bearing and drive device are reusable.
  • Fig. 1 a schematic representation of a centrifuge according to the invention.
  • the centrifuge 1 of FIG. 1 has a stationary housing 10 during operation.
  • This housing is made of a plastic or a plastic composite material.
  • the housing 10 here has a lower cylindrical portion 101 and an upper conical portion 102.
  • the lower cylindrical portion may in turn be subdivided into cylindrical portions of different diameter.
  • the housing 10 is designed in the manner of a container, which is advantageously formed hermetically closed except for three (still to be discussed) openings. These openings are an inlet opening 103 and two outlets 104, 105.
  • the inlet opening 103 is penetrated by an inlet tube 106, which extends vertically from above in the direction of the center of the housing 10.
  • the two processes 104, 105 extend here substantially radially.
  • the first outlet 104 is formed in the upper-here conical-section 102 of the housing 10. Preferably, it is formed directly at the upper end of the housing 10.
  • the second drain 105 is formed in the here cylindrical lower section 101, here in the vertically lower end of a region of the cylindrical section 101 of the housing 10.
  • the sequences 104, 105 are connected upstream annular spaces 107, 108 of the housing.
  • the processes allow a drain of liquid from the annular spaces 107, 108 during operation of the then rotating drum 20.
  • the meaning and advantageous effect of these annular spaces 107, 108 will be explained below.
  • the processes 104, 105 of the housing are formed here as radially from the housing 10 prone-generating nozzle, to the lines, especially hoses or the like. (Not shown here), are connectable.
  • the lines especially hoses or the like. (Not shown here), are connectable.
  • To the inlet and outlet preferably one and more drain lines, in particular drain pipes or hoses are connected.
  • a rotatable T drum 20 is arranged with an imaginary "idea len" axis of rotation D, which is a vertical axis of rotation.
  • the real axis of rotation deviates from this "ideal axis of rotation” D by precession movements.
  • the drum 20 and its components are wholly or at least predominantly part (ideally, except for still to be explained magnets) also made of a plastic or a plastic composite material.
  • the drum 20 here also has a lower cylindrical section 201 and an upper conical section 202.
  • the inlet tube 106 of the housing 10 is like this quiet during operation. It extends vertically from above through the inlet openings of the housing 10 to the Trom mel 20 to a feed pipe concentric distribution tube 203 of the distributor 204 of the drum 20th
  • a bearing device 310 can be formed between the feed tube 106, which does not rotate during operation, and the distributor tube 203 of the drum 20, which rotates his.
  • This bearing device 310 is preferably designed as a radially acting magnetic bearing, which is to stabilize the drum 20 at its upper end during operation.
  • This magnetic bearing at the upper end of the drum 20 - also called drum head - reduces in a simple manner possible oscillations of the drum 2. It has, for example, corresponding magnets circumferentially ver shares around the inlet tube 106 and in the manifold 203, which are radially spaced and magnetic bearing-like interaction.
  • the manifold 203 of the manifold 204 opens down into radial Verteilerkanä le 205, which lead into a separation chamber or centrifugal space 206.
  • a clarifying agent may be arranged as a plate package 207.
  • the distributor 204 may have a distributor base 205 a, which in turn has a lower cylindric approach 205 b, which protrudes axially downwardly from the drum 20, in particular special from the cylindrical portion 201 downwards.
  • a suspension to be processed S which is passed through the supply pipe 106 into the drum 20, 20 separated in the driven rotary operation of the drum by the centrifugal force in at least two flowable phases LP and HP of different density.
  • the phase LP lower density flows in the separation space 206 radially inward and is there via a first discharge channel 208 upwards in the radial discharge line 209 and is ejected through this radially from the drum dre in the first annular space 107.
  • the phase LP leaves the drum on a radius ro. From there it flows - due to their im pulsing in the annular space circling - through the upper discharge line 104 from the housing 10th
  • the phase HP of greater density flows radially outwards in the separation space 206 and is initially directed radially inwards and radially out of the rotating drum downwardly via a separator plate or a ring weir 210 into a second discharge channel 21 1 below the ring weir 210 20 ejected into the second lower annular space 108. From there flows this second liquid phase of greater density - due to their pulse in the annular space 108 circling - through the second lower lead 105 from the housing 10.
  • the phase HP leaves the drum on a radius ru ..
  • the ratio of ro to ru can be Set the radius of the separation zone between the two phases within the Tellerpa ketes and realize such a regulation of the fürfußmengen the individual phases.
  • the radius ru is changed in a simple manner by a diaphragm (not shown here).
  • the housing 10 and the drum 20 are spaced apart by an air gap LS. This is advantageous since a high rotational speed of the drum 20 can thus be achieved relatively easily.
  • the air gap LS does not fill in this area with one of the phases HP, LP to be derived.
  • the drum 20 is held within the housing 10 by an electromagnetic La ger and drive device 30 in suspension and rotated.
  • the electromagnetic bearing and drive device 30 may have one or more storage and / or drive units.
  • the electromagnetic bearing and drive device 30 may already be described upper radially acting bearing means 310 have.
  • the electromagnetic bearing and drive device 30 may further include a lower axially acting bearing device 320.
  • This axially acting bearing device 320 essentially serves to hold the drum 20 axially within the housing 10 by levitation in suspension. It may comprise first magnets 321 on an abutment, for example on the underside of the housing or on a stator 331 below the housing 10.
  • first and / or second magnets 321, 322 may be designed as suitably oriented or poled permanent magnets, such that the drum 1 can be held in suspension axially during rotational operation.
  • These magnets 321, 322 may be arranged circumferentially or suitably circumferentially distributed on two vertically aligned circles of the same diameter, such that their effect ensures that the drum 20 is held axially levitating axially within the housing in the balance.
  • Electromagnets including a suitable drive device (not shown here) can be used for the function of the first magnets 321.
  • the electromagnetic bearing and drive device 30 may further comprise a Elekt romotor 330, the rotor magnet 332 is formed on the drum 20 and the stator 331 and stator magnet 333 outside of the housing 10 is asbil det. The centering of the drum is done by suitable control of the stator magnets 333rd
  • the drive device can be operated electromagnetically. But it is also a drive via rotating permanent magnets feasible.
  • Such storage and drive devices are available from Levitronix, e.g. used for driving centrifugal pumps (EP2273124B1).
  • the drum 20 rotates. It is held axially in suspension and radially centered. Preferably, the drum 20 is operated at a speed between 1 .000 and 20,000 revolutions per minute. The forces arising due to the rotation lead to the already described above separation of a suspension to be processed in different flowable phases and their Ablei device, as already above describe in detail.

Landscapes

  • Centrifugal Separators (AREA)

Abstract

L'invention concerne un séparateur destin é à séparer une suspension fluide (S) dans un champ centrifuge en au moins deux phases fluides (HP, LP) de densités différentes, le séparateur comprenant a) un boîtier (10) fixe en fonctionnement conçu à la manière d'un récipient qui comporte au moins trois ouvertures, ces ouvertures comprenant une entrée (103) destinée à une suspension afférente et deux sorties (104, 105) espacées verticalement l'une de l'autre et destinées à des phases fluides (HP, LL) de densités différentes à chacune desquelles sont associées des chambres annulaires (107, 108) du boîtier (10), b) un tambour rotatif (20) disposé dans le boîtier (10) et comportant un axe de rotation vertical (d) qui comporte également trois ouvertures qui correspondent aux ouvertures du boîtier de a), c) un dispositif de palier et d'entraînement (30) en plusieurs parties au moyen duquel le tambour est maintenu en suspension, logé et entraîné en rotation dans le boîtier. Un intervalle d'air (LS) est formé verticalement pendant le fonctionnement entre les deux sorties (104, 105) et espaces annulaires (107, 108) du boîtier, lequel intervalle d'air n'est pas rempli en fonctionnement, lorsque le tambour (20) tourne, avec l'une des phases (HP, LP) sortantes.
EP18804286.5A 2017-11-27 2018-11-15 Séparateur Active EP3717132B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017128027.8A DE102017128027A1 (de) 2017-11-27 2017-11-27 Separator
PCT/EP2018/081411 WO2019101624A1 (fr) 2017-11-27 2018-11-15 Séparateur

Publications (2)

Publication Number Publication Date
EP3717132A1 true EP3717132A1 (fr) 2020-10-07
EP3717132B1 EP3717132B1 (fr) 2023-09-06

Family

ID=64332302

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18804286.5A Active EP3717132B1 (fr) 2017-11-27 2018-11-15 Séparateur

Country Status (8)

Country Link
US (1) US11596954B2 (fr)
EP (1) EP3717132B1 (fr)
KR (1) KR102633486B1 (fr)
CN (1) CN111372687B (fr)
DE (1) DE102017128027A1 (fr)
DK (1) DK3717132T3 (fr)
ES (1) ES2965723T3 (fr)
WO (1) WO2019101624A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG11202108236TA (en) * 2019-02-26 2021-09-29 Gea Mechanical Equipment Gmbh Separator
CN111375496A (zh) * 2019-12-31 2020-07-07 浙江三联环保科技股份有限公司 一种筒式分离机
DE102020121419A1 (de) 2020-08-14 2022-02-17 Gea Westfalia Separator Group Gmbh Separator
DE102020121422A1 (de) 2020-08-14 2022-02-17 Gea Westfalia Separator Group Gmbh Separator
DE102020121420A1 (de) 2020-08-14 2022-02-17 Gea Westfalia Separator Group Gmbh Separator
KR20240050364A (ko) 2021-09-07 2024-04-18 지이에이 웨스트팔리아 세퍼레이터 그룹 게엠베하 분리기 인서트, 분리기 및 분리기 인서트의 교환 방법
DE102021123178A1 (de) 2021-09-07 2023-03-09 Gea Westfalia Separator Group Gmbh Separatoreinsatz, Separator und Verfahren zum Wechseln eines Separatoreinsatzes
WO2023186376A1 (fr) 2022-03-29 2023-10-05 Gea Westfalia Separator Group Gmbh Séparateur
DE202022104151U1 (de) 2022-07-22 2023-10-30 Gea Westfalia Separator Group Gmbh Transportsicherung für einen Separatoreinsatz eines Separators
WO2024033325A1 (fr) 2022-08-10 2024-02-15 Gea Westfalia Separator Group Gmbh Appareil de séparation pour séparer une suspension
DE102023102918A1 (de) 2023-02-07 2024-08-08 Gea Westfalia Separator Group Gmbh Trennteller, Kombination aus Trenntellerstapel und Verteiler sowie Zentrifuge
DE202024102397U1 (de) 2023-06-07 2024-09-10 Gea Westfalia Separator Group Gmbh Trennanlage zum Trennen einer Suspension

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Also Published As

Publication number Publication date
US11596954B2 (en) 2023-03-07
CN111372687A (zh) 2020-07-03
DK3717132T3 (da) 2023-11-27
CN111372687B (zh) 2024-02-23
DE102017128027A1 (de) 2019-05-29
KR20200086365A (ko) 2020-07-16
KR102633486B1 (ko) 2024-02-02
WO2019101624A1 (fr) 2019-05-31
EP3717132B1 (fr) 2023-09-06
US20210031215A1 (en) 2021-02-04
ES2965723T3 (es) 2024-04-16

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