EP2392405B1 - Séparateur - Google Patents

Séparateur Download PDF

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Publication number
EP2392405B1
EP2392405B1 EP11166858.8A EP11166858A EP2392405B1 EP 2392405 B1 EP2392405 B1 EP 2392405B1 EP 11166858 A EP11166858 A EP 11166858A EP 2392405 B1 EP2392405 B1 EP 2392405B1
Authority
EP
European Patent Office
Prior art keywords
rotation
removal
axis
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.)
Active
Application number
EP11166858.8A
Other languages
German (de)
English (en)
Other versions
EP2392405A3 (fr
EP2392405A2 (fr
Inventor
Andreas Penkl
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 EP2392405A2 publication Critical patent/EP2392405A2/fr
Publication of EP2392405A3 publication Critical patent/EP2392405A3/fr
Application granted granted Critical
Publication of EP2392405B1 publication Critical patent/EP2392405B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B04B1/04—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
    • B04B11/00—Feeding, charging, or discharging bowls
    • B04B11/06—Arrangement of distributors or collectors in centrifuges
    • 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
    • B04B11/08—Skimmers or scrapers for discharging ; Regulating thereof

Definitions

  • the invention relates to a separator according to the preamble of claim 1.
  • a generic separator shows U.S. 4,729,759 .
  • Another known separator shows DE 10 2004 038 613 A1 .
  • Such a separator has proven itself for the clarification of a suspension, but should be further optimized in particular in terms of construction and preferably also in its effectiveness.
  • Solid phases have so far been diverted from separators on a relatively large radius of the centrifugal drum, with this diverting a relatively large loss of energy. Since the solid phase is still relatively easy to flow, it can therefore make sense not to discharge this phase discontinuously through piston valves, but rather to enable continuous discharge through nozzles on the largest inner diameter of the lower part of the drum. Overall, based on the generic prior art, an energy-efficient mode of operation and good cleanability is a particular goal or task.
  • the solids phase is usually diverted to the inside from the solids space outside the disk pack and removed through the fixed peeling element and the adjoining solids discharge, which runs concentrically to the axis of rotation of the centrifugal drum, with reduced energy loss.
  • the peeling element or the solids discharge has a passage opening close to the axis of rotation or precisely in the area of the axis of rotation, which connects the discharge chamber with the interior of the peeling element or the solids discharge. This becomes a part of the solids flow is passed through the passage opening and flushes out the area of the discharge chamber. In this way, deposits or blockages can advantageously be avoided.
  • the solids discharge is preferably designed as a stationary discharge pipe running concentrically to the axis of rotation.
  • the passage opening is arranged in the area between the axis of rotation and the inner radius of the stationary discharge pipe.
  • FIG. 1 shows a simplified representation of a centrifugal drum 1 rotatable about a vertical axis of rotation D of a continuously operable separator.
  • the centrifugal drum has a lower drum part 2 and an upper drum part 3, which are preferably screwed together in a manner not shown here. Such screw connections are known per se to the person skilled in the art and do not require any further explanation here.
  • the centrifugal drum 1 is also double conical inside and outside.
  • a set of plates 4 composed of a plurality of plates 5 is arranged concentrically to the machine axis or to the vertical axis of rotation D.
  • the plates 5 have a conical shape, are stacked axially one above the other and are spaced apart from one another by means of spacers (brackets and the like) not shown here.
  • the plate pack 4 is held on a distributor shaft 6 of a distributor 7, which is provided on its outer circumference with radially outwardly projecting webs (not visible here) which engage in the plate 3 on the inner circumference.
  • the set of plates 4 can have riser channels which consist of holes in the plates 5 that are directly above one another and extend over the entire height of the set of plates 4.
  • a feed pipe 8 arranged concentrically to the axis of rotation D enables the feed of material to be centrifuged here, for example, from above into the centrifugal drum 1 and there through the distributor shaft 6 and through distributor channels 9 formed below the plate assembly 4 in the distributor 7 into the centrifugal drum 1.
  • the actual clarification of the product to be processed from a flowable solid phase (e.g. for sterilization) and / or a separation of the product into different liquid phases then takes place continuously.
  • the liquid phase L is drained inwards through the disk pack 4 and one or more drainage channels into a peeling chamber 10 and out of this with a peeling disk 12 from the drum.
  • no solid discharge openings such as nozzles are arranged on the largest inner diameter of the centrifugal drum 1, but a discharge pipe 13 on the inner circumference of the centrifugal drum radially inward up to a discharge chamber 14.
  • the inlet end 26 for tapping off the solid phase lies in a solids space 27 outside the plate assembly on a radius R 13 which is greater than the largest radius of the plate assembly R 4 .
  • the inlet end is preferably in the radially outermost area of the solids space, ie in the outer half of the solids space 27 in the radial direction.
  • This discharge chamber 14 is preferably formed between the lower drum part 3 and the distributor 7 - that is, below the distributor 7 - with the gap can be closed by a ring component 16 between these two drum elements.
  • the ring component 16 preferably has passage openings 17 into which the discharge pipes 13 open towards the inside. The center point of the passage opening is spaced from the vertical axis of rotation by a radius R 17 .
  • the discharge chamber 14 there is at least one peeling element 19, which is stationary or does not rotate with the centrifugal drum, which has a conical peeling section 20 with a discharge opening 21 which leads inwards into a solids discharge in the form of an overlapping stationary discharge pipe 22 with an inner radius R 20 opens, which is designed concentrically to the axis of rotation D and further preferably lies concentrically within the supply pipe.
  • the product can flow radially inward from the outer circumference of the drum through the at least one discharge pipe 13 into the discharge chamber 14.
  • the product is diverted through the inner discharge pipe 13 into the discharge chamber 14 and from there with the peeling element 19 through the discharge pipe 22 to the outside of the centrifugal drum 1 (here vertically upwards from the centrifugal drum 1).
  • the peeling element 19 or the discharge pipe 22 has, close to the axis of rotation D or precisely in the area of the axis of rotation D, a passage opening 23, which the discharge chamber 14, i. connects the area outside the peeling element 19 together with the discharge pipe 22 to the interior of the peeling element 19 and the discharge pipe 22.
  • an energy-saving, hygienic separator is created for the clarification of products from a flowable solid phase, such as can arise, for example, in the clarification of citrus fruits or in the clarification of fermentation broths or the like.
  • the risk of contamination of the drainage area of the centrifugal drum - as described above - is particularly low due to the cleaning / rinsing effect.
  • the flow of the flowable solid phase through the discharge pipe 13 can be controlled or regulated by a control or regulating element not shown here.
  • additional outlet nozzles can also be formed on the largest circumference of the drum.

Landscapes

  • Centrifugal Separators (AREA)

Claims (7)

  1. Séparateur, pour la séparation centrifuge d'une suspension en au moins une phase liquide et une phase solide fluide, qui présente :
    a) un tambour centrifugeur (1) pouvant tourner autour d'un axe de rotation (D), ayant une partie inférieure de tambour (2) et une partie supérieure de tambour (3), dans lequel un produit à traiter peut être guidé par un tube d'alimentation (8) et un distributeur (7),
    b) au moins une sortie de liquide (12) et au moins une sortie de matière solide (22), et
    c) un espace à matière solide (27) verticalement à l'extérieur d'un empilement de disques (4), pour collecter une matière solide séparée de la suspension,
    d) dans lequel une conduite de décharge (13) pour prélever la phase solide est formée dans la partie inférieure de tambour (2) du tambour centrifugeur (1), laquelle conduit d'un rayon extérieur (R13) dans l'espace à matière solide (27) dans le tambour centrifugeur (1) à un rayon intérieur (R17) d'une chambre de décharge (14) dans le tambour centrifugeur (1), dans laquelle est disposé un organe de pelage (19) qui ne tourne pas pendant le fonctionnement du séparateur,
    caractérisé en ce que
    e) l'organe de pelage (19) ou la sortie de matière solide (22) présente une ouverture de passage (23) à proximité de l'axe de rotation D ou exactement dans la zone de l'axe de rotation D, laquelle relie la chambre de décharge (14) à l'intérieur de l'organe de pelage (19) ou de la sortie de matière solide (22).
  2. Séparateur selon la revendication 1, caractérisé en ce que la conduite de décharge (13) s'étend radialement et intérieurement jusque sous le distributeur.
  3. Séparateur selon l'une des revendications précédentes, caractérisé en ce que la conduite de décharge (13) est réalisée sous la forme d'un tube de décharge (13) qui tourne avec le tambour centrifugeur pendant le fonctionnement du séparateur.
  4. Séparateur selon l'une des revendications précédentes, caractérisé en ce que la sortie de matière solide (22) présente un tube de décharge (22) qui ne tourne pas avec le tambour centrifugeur pendant le fonctionnement et qui présente un rayon intérieur (R22) qui est disposé concentriquement à l'axe de rotation (D).
  5. Séparateur selon l'une des revendications précédentes, caractérisé en ce que l'organe de pelage (19) présente une partie de pelage conique (20) avec une ouverture de décharge (21) qui débouche vers l'intérieur dans le tube de décharge (22) fixe qui la recouvre et qui est formé concentriquement à l'axe de rotation D, l'ouverture de passage (23) étant disposée dans la zone entre l'axe de rotation D et le rayon intérieur (R22).
  6. Séparateur selon l'une des revendications précédentes, caractérisé en ce que la conduite de décharge (13) s'étend dans une première zone le long d'une partie de paroi conique de la partie inférieure de tambour et dans une deuxième zone radialement par rapport à l'axe de rotation (D).
  7. Séparateur selon l'une des revendications précédentes, caractérisé en ce qu'un organe de commande ou de régulation pour commander ou réguler un flux de la phase solide est disposé sur ou dans la conduite de décharge (13).
EP11166858.8A 2010-05-21 2011-05-20 Séparateur Active EP2392405B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202010005476U DE202010005476U1 (de) 2010-05-21 2010-05-21 Separator

Publications (3)

Publication Number Publication Date
EP2392405A2 EP2392405A2 (fr) 2011-12-07
EP2392405A3 EP2392405A3 (fr) 2017-04-05
EP2392405B1 true EP2392405B1 (fr) 2020-10-07

Family

ID=44512332

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11166858.8A Active EP2392405B1 (fr) 2010-05-21 2011-05-20 Séparateur

Country Status (2)

Country Link
EP (1) EP2392405B1 (fr)
DE (1) DE202010005476U1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012018241B4 (de) 2012-09-17 2014-12-18 Gea Mechanical Equipment Gmbh Separator
DE102018114841A1 (de) * 2018-03-21 2019-09-26 Gea Mechanical Equipment Gmbh Zentrifuge mit einer Schälscheibe
EP3666389B1 (fr) * 2018-12-10 2021-08-04 Alfa Laval Corporate AB Séparateur centrifuge

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE449951B (sv) * 1983-03-16 1987-06-01 Alfa Laval Ab Centrifugalseparator med central slamutmatning
SE452260B (sv) * 1986-03-12 1987-11-23 Alfa Laval Separation Ab Centrifugalseparator anordnad for utmatning av en separerad produkt med bestemd koncentration
SE521366C2 (sv) * 1998-08-24 2003-10-28 Alfa Laval Corp Ab Sätt och anordning för rengöring av en centrifugalseparator
ATE328669T1 (de) 2003-08-16 2006-06-15 Westfalia Separator Ag Separator

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
DE202010005476U1 (de) 2011-09-08
EP2392405A3 (fr) 2017-04-05
EP2392405A2 (fr) 2011-12-07

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