EP2239059B2 - Tambour centrifuge et procédé de montage de tambours centrifuges - Google Patents

Tambour centrifuge et procédé de montage de tambours centrifuges Download PDF

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Publication number
EP2239059B2
EP2239059B2 EP10157755.9A EP10157755A EP2239059B2 EP 2239059 B2 EP2239059 B2 EP 2239059B2 EP 10157755 A EP10157755 A EP 10157755A EP 2239059 B2 EP2239059 B2 EP 2239059B2
Authority
EP
European Patent Office
Prior art keywords
drum
centrifuge
drum parts
parts
individual
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.)
Not-in-force
Application number
EP10157755.9A
Other languages
German (de)
English (en)
Other versions
EP2239059B1 (fr
EP2239059A3 (fr
EP2239059A2 (fr
Inventor
Bernd Terwey
Wilfried Mackel
Thomas Bathelt
Kathrin Quiter
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
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Application filed by GEA Mechanical Equipment GmbH filed Critical GEA Mechanical Equipment GmbH
Publication of EP2239059A2 publication Critical patent/EP2239059A2/fr
Publication of EP2239059A3 publication Critical patent/EP2239059A3/fr
Application granted granted Critical
Publication of EP2239059B1 publication Critical patent/EP2239059B1/fr
Publication of EP2239059B2 publication Critical patent/EP2239059B2/fr
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Classifications

    • 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
    • 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
    • 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
    • B04B9/14—Balancing rotary bowls ; Schrappers

Definitions

  • the invention relates to a method for assembling centrifuge drums according to the preamble of claim 1.
  • a centrifuge drum according to the preamble of claim 1 is, for example, from US 1 438 768 A1 known.
  • centrifugal drums for example plate separators
  • wandering residual unbalances which have an adverse effect on the operating behavior and possibly adversely affect the separation efficiency of the separator or even require repairs to the drum.
  • FIG. 3 shows an exemplary structure of a centrifuge designed as a plate separator with a motor-driven centrifuge drum 1.
  • Figure 2 also shows a section through half of the centrifuge drum 1 for such a separator (without feed pipe and without the gripper and gripper chamber cover).
  • the centrifuge drum 1 has drum parts which rotate in operation about a vertical axis of rotation D here and drum parts which are stationary during operation.
  • the drum parts rotating during operation include (which in Fig. 1 2) a drum cover 2, a drum lower part 3, a piston slide 4, a stack of plates 5, two gripper chamber covers 6, 7 offset vertically to one another, a locking ring 8 and a drive spindle 9 and a distributor 15.
  • the drum parts that are idle during operation include (see Fig. 3 ) an inlet pipe 10 and one or more grippers or peeling discs 11.
  • the centrifuge drum After the assembly of the individual drum parts, the centrifuge drum has the vertical axis of rotation D.
  • the individual drum parts rotating during operation are designed in such a way that the axes of gravity of the individual drum parts are aligned with the drum axis of rotation as far as possible in order to minimize unbalance.
  • two or more of the drum parts are manufactured and assembled in such a way that they form an unbalanced mass, that is, their mass is distributed so unbalanced to the axis of rotation that their individual, theoretical drum part gravity axes D1 and D2 lie parallel to the drum axis of rotation, but not with this.
  • drum parts are further mounted in such a way that, as a pair of drum parts, they do not together form an unbalance, i.e. in such a way that their individual unbalances cancel again after assembly.
  • Fig. 2 this is illustrated by means of two gripper chamber covers 6, 7 which are offset axially or vertically to one another.
  • the gripper chamber covers 6, 7 each limit gripper chambers for grippers (not shown here) for draining liquids from the centrifuge drum 1).
  • the gripper chamber covers do not have an annular wall 6a, 7a of constant thickness all around, which means that these two drum parts each form or have an imbalance, so that their theoretical axes of gravity D1, D2 do not align with the drum axis of rotation D.
  • This type of assembly can be simplified by optical or mechanical alignment aids such as markings (not shown), which allow the targeted assembly of the centrifuge drum according to the type of Fig. 1 simplify.
  • the effect is also used that individual drum parts are provided with a targeted unbalance.
  • the effect is achieved in a different way.
  • the drum parts are not provided with sections of ring walls of different thicknesses or thicknesses, but an unbalance is generated on individual drum parts by providing these drum parts either with recesses - in particular with blind holes 12 - or with weights (for example by means of screws 13).
  • millings 14 for example on the piston slide 4 and / or on a control part 16 assigned to it.

Landscapes

  • Centrifugal Separators (AREA)

Claims (3)

  1. Procédé pour le montage d'un tambour de centrifugeuse rotatif (1) comportant plusieurs parties de tambour qui tournent pendant le fonctionnement du tambour de centrifugeuse et qui forment dans l'état assemblé un axe de rotation commun (D), caractérisé en ce que deux ou plusieurs des parties de tambour sont fabriquées et montées de façon à produire chacune en soi un balourd par rapport à l'axe de rotation commun (D) et en ce que leurs balourds respectifs s'annulent après le montage.
  2. Procédé selon la revendication 1, caractérisé en ce que les balourds respectifs sont produits sur les parties de tambour dès leur fabrication en augmentant ou en diminuant par sections l'épaisseur de paroi de ces parties de tambour.
  3. Procédé selon la revendication 1 caractérisé en ce qu'un balourd est créé sur certaines parties de tambour par le fait que celles-ci sont munies soit d'évidements, en particulier de trous percés borgnes (12) ou de fraisages (14), soit de poids (par exemple au moyen de vis (13)).
EP10157755.9A 2009-04-08 2010-03-25 Tambour centrifuge et procédé de montage de tambours centrifuges Not-in-force EP2239059B2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009016882A DE102009016882A1 (de) 2009-04-08 2009-04-08 Zentrifugentrommel und Verfahren zur Montage von Zentrifugentrommeln

Publications (4)

Publication Number Publication Date
EP2239059A2 EP2239059A2 (fr) 2010-10-13
EP2239059A3 EP2239059A3 (fr) 2016-08-17
EP2239059B1 EP2239059B1 (fr) 2017-05-31
EP2239059B2 true EP2239059B2 (fr) 2020-02-19

Family

ID=42320052

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10157755.9A Not-in-force EP2239059B2 (fr) 2009-04-08 2010-03-25 Tambour centrifuge et procédé de montage de tambours centrifuges

Country Status (2)

Country Link
EP (1) EP2239059B2 (fr)
DE (1) DE102009016882A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110170387B (zh) * 2019-06-05 2024-12-10 南京中船绿洲机器有限公司 一种自消震的碟式分离机转鼓

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5364335A (en) † 1993-12-07 1994-11-15 Dorr-Oliver Incorporated Disc-decanter centrifuge
US20060135339A1 (en) † 2002-06-19 2006-06-22 Martin Sandgren Rotation body arrangement

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1438768A (en) * 1921-04-29 1922-12-12 Ralph E Lapham Balancing means for centrifugal machines
US2461773A (en) * 1945-06-11 1949-02-15 Thomas H Reid Balancing centrifugal machine
CH348652A (fr) * 1957-07-05 1960-08-31 Short Brothers & Harland Ltd Dispositif rotatif à autoéquilibrage dynamique

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5364335A (en) † 1993-12-07 1994-11-15 Dorr-Oliver Incorporated Disc-decanter centrifuge
US20060135339A1 (en) † 2002-06-19 2006-06-22 Martin Sandgren Rotation body arrangement

Also Published As

Publication number Publication date
EP2239059B1 (fr) 2017-05-31
EP2239059A3 (fr) 2016-08-17
DE102009016882A1 (de) 2010-10-14
EP2239059A2 (fr) 2010-10-13

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