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EP1618961B1 - Dispositif d'entraînement pour des centrifugeuses hélicoïdales - Google Patents

Dispositif d'entraînement pour des centrifugeuses hélicoïdales Download PDF

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Publication number
EP1618961B1
EP1618961B1 EP05106069A EP05106069A EP1618961B1 EP 1618961 B1 EP1618961 B1 EP 1618961B1 EP 05106069 A EP05106069 A EP 05106069A EP 05106069 A EP05106069 A EP 05106069A EP 1618961 B1 EP1618961 B1 EP 1618961B1
Authority
EP
European Patent Office
Prior art keywords
drum
motor
screw
drive device
shaft
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.)
Expired - Lifetime
Application number
EP05106069A
Other languages
German (de)
English (en)
Other versions
EP1618961A3 (fr
EP1618961A1 (fr
Inventor
Günter Haider
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.)
Hiller GmbH
Original Assignee
Hiller 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 Hiller GmbH filed Critical Hiller GmbH
Publication of EP1618961A1 publication Critical patent/EP1618961A1/fr
Publication of EP1618961A3 publication Critical patent/EP1618961A3/fr
Application granted granted Critical
Publication of EP1618961B1 publication Critical patent/EP1618961B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
    • B04B1/20—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
    • B04B1/2016—Driving control or mechanisms; Arrangement of transmission gearing
    • 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

Definitions

  • the invention relates to a drive device of a screw centrifuge with the features specified in the dividing part of claim 1.
  • Such a drive for a screw centrifuge is out DE 11 78 791 A known.
  • a motor which is preferably designed as a DC motor, via a gearbox to the screw.
  • the simplest drive is a gear drive in which an electric motor drives the drum via a V-belt, while a second V-belt sets the worm in rotation via a planetary gear in parallel. About the planetary gear differential speed for the screw is generated. In this drive, both speeds are independently variable at standstill, including one of the two V-belt pairs must be replaced.
  • the invention has for its object to provide a drive device for worm centrifuges available, in which the differential speed between the drum and screw can be adjusted continuously during operation, without losing the disadvantages of the hybrid drive with a hydraulic motor and associated leakage problems or the large dimensions of a Four-shaft drive to have to accept.
  • this object is achieved in a drive device of the type outlined at the outset by the characterizing features of claim 1.
  • the drive device according to the invention is characterized by the lowest energy consumption and optimal efficiency by a high flexibility in the selection of the operating speed, without this the disadvantages of the four-shaft drive with its large space must be taken into account. Since the decoupled from the drum drive motor electric torque motor rotates with the drum, this drive device has a very compact design. The lack of a hydraulic motor for the worm drive eliminates any risk of leakage, which is particularly advantageous in applications in the food sector.
  • the housing is fixed to a radial flange of one with the drum is flanged connected by a hollow shaft through which the shaft of the screw is passed and carries a connected to the motor for driving the drum pulley.
  • the housing is flanged to an end wall of the drum and carries a connected to the motor for driving the drum pulley.
  • the electric comfort motor works like a normal, multipolar synchronous motor, whose rotor is equipped with permanent magnets on its cylindrical inner surface, while the internal stator carries the coils, which are supplied with three-phase current. Due to this design principle, the required space is very small and is exploited particularly effectively in terms of the torque generated.
  • FIG. 1 shows a longitudinal section through a screw centrifuge 10 with a rotating drum 12 and a worm mounted therein 14.
  • an electric motor 16 which via belt 18 a pulley 20 is rotated, which is fixedly connected to a drum 12 Hollow shaft 22 is mounted.
  • the drum 12 is rotatably supported in a known manner on both sides in bearings 24.
  • the housing 28 is connected via a flange 30 of the hollow shaft 22 fixed to the drum 12.
  • the shaft 32 of the screw 14 is passed.
  • the stator 34 of the torque motor 26 is wound, which carries a plurality of coils 36, which are supplied via a slip-ring rotor 38 with power.
  • the housing 28 of the torque motor 26 is formed as an external rotor 40 which is fitted on its cylindrical inner surface with permanent magnets 42 which are glued to the inner surface.
  • the rotor 40 of the torque motor 26 is fixedly connected to the shaft 32 of the worm 14 and carries on its cylindrical inner surface the already mentioned permanent magnets 42.
  • the stator 36 carrying the coils 36 is fixedly connected to the housing 28 of the torque motor 26 here.
  • the slip ring rotor 38 is also used here for powering the coil 36 of the stator 34, which engages axially in the cup-shaped rotor 40.
  • the hollow shaft 22 for the rotary drive of the drum 12 is formed between the bearing 24 and the flange 30, on which the housing 28 of the torque motor 26 is fixed, integrally with the pulley 20, which, as in the example of FIG. 1 , over V-belts 18 is connected to the motor 16 for driving the drum 12.
  • FIG. 3 embodiment shown represents a further variant in which the housing 28 of the torque motor 26 is flanged to an end wall 44 of the drum 12.
  • the housing 28 passes here into the hollow shaft 22, which is rotatably received in the bearing 24 and carries on its directed to slip ring rotor 38 end the pulley 20 which is connected via the belt V-belt 18 with the motor 16 for driving the drum 12.
  • the cylindrical inner surface of the rotor 40 formed by the housing 28 is equipped with permanent magnets 42, while on the shaft 32 for driving the worm 14, the coils 36 are mounted.
  • FIG. 3 in the FIG. 4 is indicated and a similar construction principle as the embodiment of FIG. 2 shows also has a Troquemotor 26, the housing 28 is fixed to the end wall 44 of the drum 12.
  • the rotor 40 of the torque motor 26 is fixedly connected to the shaft 32 of the screw 14, while the internal stator 34 is a part of the housing 28.
  • FIG. 5 indicates the possibility to connect several torque motors 26 for driving the drum 12 in a row.
  • torque motor 26 can be connected via a single-stage or multi-stage gear 46 with the shaft 32 for driving the screw 14.
  • FIG. 7 shows the combination of the in the FIGS. 5 and 6 shown possibilities with multiple torque motors 26 and an internal gear 46th
  • the invention also includes the use of torque motors in which the stator carries the permanent magnets, while the coils are mounted in the rotor.

Landscapes

  • Centrifugal Separators (AREA)

Claims (7)

  1. Dispositif d'entraînement d'une centrifugeuse hélicoïdale (10) comprenant un tambour (12) actionné par un moteur (16) et une vis coaxiale (14) montée dans le tambour (12), l'arbre (32) de la vis étant relié à un moteur d'entraînement (26) lui-même découplé dudit moteur (16) pour l'entraînement du tambour (12), le carter (28) du moteur (26) étant solidaire du tambour (12) et tournant avec lui, caractérisé par le fait que le moteur d'entraînement de la vis (14) est un moteur torque (26) réalisé en moteur synchrone dont le rotor (40) est muni à sa surface cylindrique interne d'aimants permanents (42), tandis que son stator interne (34) porte les enroulements (36).
  2. Dispositif selon la revendication 1, caractérisé par le fait que le carter (28) est fixé sur une bride radiale (30) d'un arbre creux (22) fixé au tambour (12), l'arbre (32) de la vis (14) s'étendant à travers l'arbre creux (22) lequel est muni d'une poulie (20) pour l'entraînement du tambour (12).
  3. Dispositif selon la revendication 1, caractérisé par le fait que le carter (28) est bridé sur une paroi frontale du tambour (12) et porte une poulie (20) reliée au moteur (16) pour l'entraînement du tambour (12).
  4. Dispositif selon une des revendications précédentes, caractérisé par le fait que le carter (28) du moteur torque (26) est réalisé comme rotor externe (40) tandis que sur l'arbre (32) de la vis (14) est fixé le stator (34) portant les enroulements (36).
  5. Dispositif selon une des revendications 1 à 3, caractérisé par le fait que le rotor (40) du moteur torque (26) est solidaire de l'arbre (32) de la vis (14) tandis que le stator interne (34) est fixé au carter (28).
  6. Dispositif selon une des revendications précédentes, caractérisé par le fait que plusieurs moteurs torque (26) sont reliés en série.
  7. Dispositif selon une des revendications précédentes, caractérisé par le fait que le moteur torque (26) est relié à la vis (14) au moyen d'un engrenage (46) à un ou plusieurs étages.
EP05106069A 2004-07-16 2005-07-05 Dispositif d'entraînement pour des centrifugeuses hélicoïdales Expired - Lifetime EP1618961B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004034409A DE102004034409A1 (de) 2004-07-16 2004-07-16 Antriebsvorrichtung für Schneckenzentrifugen

Publications (3)

Publication Number Publication Date
EP1618961A1 EP1618961A1 (fr) 2006-01-25
EP1618961A3 EP1618961A3 (fr) 2006-11-02
EP1618961B1 true EP1618961B1 (fr) 2008-12-03

Family

ID=34981314

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05106069A Expired - Lifetime EP1618961B1 (fr) 2004-07-16 2005-07-05 Dispositif d'entraînement pour des centrifugeuses hélicoïdales

Country Status (5)

Country Link
US (1) US7547273B2 (fr)
EP (1) EP1618961B1 (fr)
AT (1) ATE416032T1 (fr)
DE (2) DE102004034409A1 (fr)
ES (1) ES2315799T3 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10334370A1 (de) * 2003-07-25 2005-02-24 Westfalia Separator Ag Vollmantel-Schneckenzentrifuge mit Direktantrieb
DE102004034409A1 (de) * 2004-07-16 2006-02-02 Hiller Gmbh Antriebsvorrichtung für Schneckenzentrifugen
DE102006025831B4 (de) * 2006-06-02 2013-10-31 Rovema Gmbh Vorrichtung zum Verschweißen von Kunststoff zu Verpackungszwecken (Torquemotor)
DE102006028803A1 (de) * 2006-06-23 2007-12-27 Westfalia Separator Ag Schneckenzentrifuge
US8808154B2 (en) * 2010-09-13 2014-08-19 Hiller Gmbh Drive apparatus in a scroll centrifuge having a gearbox with a housing nonrotatably connected to a drive shaft
DE102011108008A1 (de) 2011-07-19 2013-01-24 Harry Gaus Dekanterzentrifuge
WO2017190072A1 (fr) * 2016-04-29 2017-11-02 Kemtron Technologies LLC d/b/a Elgin Separation Solutions Séchoir à copeaux vertical
CN112090596B (zh) * 2020-08-20 2022-04-08 江苏同泽过滤科技有限公司 一种浓缩过滤离心机及其中的传动装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1178791B (de) * 1961-01-25 1964-09-24 Heinrich Desch G M B H Antrieb fuer eine Schneckenzentrifuge
US3343786A (en) * 1964-02-21 1967-09-26 Pennsalt Chemicals Corp Centrifuge having plural conveying means for solids
DE3325566A1 (de) * 1983-07-15 1985-01-24 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Vorrichtung zum antrieb von zentrifugen
DE4107485A1 (de) * 1991-03-08 1992-09-10 Sangerhausen Gmbh Maschf Vorrichtung zur regelung der differenzdrehzahl zwischen der zentrifugentrommel u. der foerderschnecke einer vollmantelschneckenzentrifuge
US5714858A (en) * 1995-03-24 1998-02-03 Nuova M.A.I.P. Macchine Agricole Industriali Pieralisi S.P.A. Device for controlling and regulating the relative speed between rotary components interacting with one another respectively connected to the rotor and stator of an electric motor
FR2746675B1 (fr) * 1996-03-29 1998-05-07 Guinard Centrifugation Decanteuse centrifuge a module redex
US7358635B2 (en) * 2002-04-02 2008-04-15 M-I L.L.C. Magnetic power transmission devices for oilfield applications
EP1479443B1 (fr) * 2003-05-19 2005-11-09 Andritz-Guinard S.A.S. Système d'entraínement d'une centrifugeuse
DE10334370A1 (de) * 2003-07-25 2005-02-24 Westfalia Separator Ag Vollmantel-Schneckenzentrifuge mit Direktantrieb
DE102004034409A1 (de) * 2004-07-16 2006-02-02 Hiller Gmbh Antriebsvorrichtung für Schneckenzentrifugen

Also Published As

Publication number Publication date
ATE416032T1 (de) 2008-12-15
DE102004034409A1 (de) 2006-02-02
EP1618961A3 (fr) 2006-11-02
US20060014619A1 (en) 2006-01-19
DE502005006120D1 (de) 2009-01-15
US7547273B2 (en) 2009-06-16
ES2315799T3 (es) 2009-04-01
EP1618961A1 (fr) 2006-01-25

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