EP2062650B1 - Centrifugeuse dotée d'un paquet de disque de séparation et disque de séparation - Google Patents

Centrifugeuse dotée d'un paquet de disque de séparation et disque de séparation Download PDF

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Publication number
EP2062650B1
EP2062650B1 EP08169370A EP08169370A EP2062650B1 EP 2062650 B1 EP2062650 B1 EP 2062650B1 EP 08169370 A EP08169370 A EP 08169370A EP 08169370 A EP08169370 A EP 08169370A EP 2062650 B1 EP2062650 B1 EP 2062650B1
Authority
EP
European Patent Office
Prior art keywords
separator
centrifuge according
dormer
case
disc
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
EP08169370A
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German (de)
English (en)
Other versions
EP2062650A2 (fr
EP2062650A3 (fr
Inventor
Kathrin Quiter
Thomas Bathelt
Thomas Kleimann
Andreas Penkl
Markus HÜLLMANN
Klaus Baalmann
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 EP2062650A2 publication Critical patent/EP2062650A2/fr
Publication of EP2062650A3 publication Critical patent/EP2062650A3/fr
Application granted granted Critical
Publication of EP2062650B1 publication Critical patent/EP2062650B1/fr
Not-in-force 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
    • B04B7/00—Elements of centrifuges
    • B04B7/08—Rotary bowls
    • B04B7/12—Inserts, e.g. armouring plates
    • B04B7/14—Inserts, e.g. armouring plates for separating walls of conical shape
    • 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
    • B04B2001/2066—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 with additional disc stacks

Definitions

  • the invention relates to a centrifuge according to the preamble of claim 1 and a separation plate.
  • Separators with separator disc packs show the DE 36 07 526 A1 or the DE-OS 19 09 996 or the DE 10 2004 037 925 A ,
  • Separator plates are commonly made of stainless steel. They are usually made of a relatively thin sheet metal, have a conical shape and are combined at a central passage opening plate holders to plate stacks. By means of point or lug-shaped spacers they are axially spaced from each other, so that forms a separation gap between them. Rising channels, which enforce the plate packages usually axially parallel to the axis of rotation of the centrifuge, are used to supply a product to be processed in the gaps between the separation plates, where the product clarified in the centrifugal field of solids and where the liquid may also be in a light and a heavier liquid phase is separated.
  • the separating plates of the separating plate stack are provided, at least over an axial region of the separating plate stack or the entire separating plate stack, with one or more dormers each having an opening passing through the separating plate, the dormers and the openings form one or more flow channel (s) in the disk package, and the dormers are each formed as being formed in the conical separation plates at the top and protruding into the disk gap.
  • the dormers each as in the conical separating plate (in vertical orientation) introduced upward and projecting into the plate gap forms forms whose height increases radially from the inside to the outside and each having in their radially outer region of the opening.
  • This variant can be easily realized on the separation plates by embossing and cutting, drilling or punching in the region of the openings of the dormers.
  • FIG. 10a and 10b each show a schematic representation of a once clarifier ( Fig. 10a ) and once as a separator ( 10B ) formed centrifugal drum 1, in each of which a Trenntellervers 2 is inserted.
  • the function of such nozzle separators with an inlet 3 and processes 4, 5 and 4, 5, 6 has long been well known and therefore needs no further explanation.
  • FIG. 3 shows a schematic representation of a half of a separation plate package according to the invention 2 from stacked conical separation plates 7, which preferably consist of a steel sheet material and in Fig. 1 and 2 are shown.
  • the Trenntellerwovene 2 are placed on a central and possibly contoured opening 15 on a correspondingly shaped plate holder (not shown here).
  • the separation plates 7 may each have one or more circumferentially distributed openings, which in interaction with the plate stack or separator plate package form at least one or more riser channels 8a, b,..., One of which Fig. 10b is indicated.
  • the separating plates 7 are arranged axially spaced from each other by means of spacers 9, so that between each of them a plate gap 14 is formed, which is particularly well in Fig. 7 can be seen.
  • the spacers 9 are here exemplified as radially extending tabs, which the separating plates 7 and thus also the separator plate column 14 in Divide sectors 10a, 10b, ..., which in each case again into a lying in operation - ie when rotating the Separatortrommel - behind the spacers half I and a lying in the direction of rotation before the spacers half II is subdivided.
  • one of the riser channels 8a, 8b is preferably arranged in each of the sectors 10, preferably - as in FIG Fig. 1 shown - viewed in the preferred direction of rotation U, arranged in the directly behind the spacers 9 half I.
  • the separating plates 7 are further provided with at least one region of the axial length or over the entire axial length or with vertical axis of rotation, the height of the separator plate stack each with one or more dormers 11, each having at least one opening 12 passing through the respective separation plate 7.
  • the dormers 11 are each formed as in the conical separating plate 7 in the vertical axis of rotation upwards introduced features whose height increases radially from the inside outwards and each having in their radially outermost region the opening 12, which - as in Fig. 4 and 5 to recognize, preferably the entire radially outer edge region of the dormers 11 forms.
  • the dormers 11 are sized and arranged offset in the stacked separation plates 7 to each other that form through the dormers 11 and the openings 12 and by their interaction the flow channels 13 ( Fig. 3 . 4 . 5 ), which pass through the Trenntellerver 2 or at least a portion of the separating plate 7 of the Trenntellervers 2 radially outwardly and open outward from the Trenntellervers 2.
  • a plurality of such flow channels 13 are formed in the separation plate package in the direction of the axis of rotation or in the vertical direction in the vertical axis of rotation ( Fig. 3, 5 ).
  • a plurality of dormers 11a, 11b, 11c which are distributed over the circumference, are preferably also formed in each separating plate 7, so that a plurality of flow channels are formed circumferentially distributed.
  • one of the dormers 11 a, 11 b, ... or one of the dormers and thus also one of the flow channels 13 is formed in each of the sectors 10.
  • the dormers are preferably in the sector half II , which lies in front of the spacers 9 in the direction of rotation U respectively.
  • the distribution of the dormers 11 is such that over the entire vertical height flow channels 13 are formed in Trenntellervers 2. But it is also conceivable to provide axially individual separating plate 7 without dormers 11.
  • a flat design of the dormers is advantageous so that the distance between the plates is not too large.
  • the separation plates 7 of the separation plate stack 2 are not formed the same, since the dormers 11 in the region of each flow channel 13 from the inside to the outside aligned openings 12 must form. Due to modern computer-controlled production methods, this offset from separating plate 7 to separating plate 7 introducing the dormers 11 but easily possible.
  • a short cut is introduced into the separating plates 7 and then or in front of them, the forms / dormers 11 are formed in the separating plates 7 by an embossing process.
  • the choice of the size of the openings 12 provides a simple way to influence the completion speed of the solid from the plate package (see Fig. 6 ).
  • FIGS. 7 and 8 illustrate that the dormers can either be rounded or roof-like with an upper edge 16 can be formed.
  • the heavy phase H which flows from the inside to the outside at the bottom of the plate, collects in the dormers 11 with the openings 12 and is guided through the flow channels 13 from inside to outside. It is advantageous if the dormers 11 have a radially increasing from the inside outward height.
  • the dormers 11 are preferably arranged or formed in the regions of the sectors 10 in which the heaviest phase of the largest flow is to be expected and where its effect is greatest.
  • Individual separation plates in the entire plate package can also have no dormers 11 and 12 openings.
  • the disk pack can also have no riser or riser channels on other radial position.
  • the dormers 11 and openings 12 are arranged on the respective first lower separating plate of a section with dormers 11 and openings radially in height of the riser channels.
  • the dormers 11 of the respective first lower separation plate in a section of separation plates with a dormer not more inside than 25% of the radial extent of the separation plate, preferably not further inside than 1/3 of the radial extent of the separation plate arranged to sufficient solids derive.
  • the dormers 11 of the respective first lower separating plate are arranged in a section of separating discs with a dormer not more outwardly than on 1 ⁇ 2 preferably 2/3 or more preferably 3 ⁇ 4 of the radial extent of the separating plate, so that a particularly good effect is given.
  • the dormers 11 are in each case relative to the respective conical separating plates 7, in which they are formed in front of upward and form upwardly protruding forms.

Landscapes

  • Centrifugal Separators (AREA)

Claims (20)

  1. Centrifugeuse, en particulier séparateur ou centrifugeuse à vis sans fin et à bol plein, comportant un tambour de centrifugation avec un axe de rotation D, en particulier un axe de rotation vertical, au moins un paquet de disques de séparation (2) qui est disposé dans le tambour de centrifugation (1), et qui est formé de disques de séparation (7) empilés et maintenus à distance les uns des autres par des écarteurs (9), de telle sorte qu'il se forme une fente (14) entre respectifs deux disques, caractérisée en ce que les disques de séparation du paquet de disques de séparation (2) sont munis, au moins sur une zone axiale du paquet de disques de séparation (2) ou sur la totalité du paquet de disques de séparation (2), d'une ou de plusieurs lucarnes (11), qui sont munies chacune d'une ouverture (12) traversant au moins un des disques de séparation (7), les lucarnes (11) et les ouvertures (12) formant au moins un ou plusieurs conduit(s) d'écoulement (13) dans le paquet de disques de séparation, et les lucarnes (11) étant réalisées chacune sous la forme d'empreintes ménagées vers le haut dans les disques de séparation (7) coniques et saillantes dans la fente (14) entre deux disques.
  2. Centrifugeuse selon la revendication précédente, caractérisée en ce que les conduits d'écoulement (13) mènent radialement vers l'extérieur hors du paquet de disques de séparation.
  3. Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que les lucarnes (11) ont chacune une hauteur qui augmente radialement de l'intérieur vers l'extérieur.
  4. Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que, dans le cas d'un axe de rotation vertical, les conduits d'écoulement (13) sont orientés horizontalement ou sont inclinés selon un angle α de moins de 30° par rapport à l'horizontale.
  5. Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que les lucarnes (11) sont réalisées chacune sous la forme d'empreintes ménagées vers le haut dans les disques de séparation (7) coniques et saillantes dans la fente (14) entre deux disques, lesquelles empreintes ont une hauteur qui augmente radialement de l'intérieur vers l'extérieur et comportent chacune l'ouverture (12) dans leur zone radialement extérieure.
  6. Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que les ouvertures (12) forment la totalité de la zone de bordure extérieure de la lucarne.
  7. Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que les ouvertures (12) forment seulement une partie de la zone de bordure extérieure de la lucarne.
  8. Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que les lucarnes (11) sont dimensionnées et décalées les unes par rapport aux autres dans les disques de séparation (7) superposés, de telle sorte qu'elles forment les conduits d'écoulement (13), qui traversent le paquet de disques de séparation (2) ou au moins radialement vers l'extérieur une partie des disques de séparation (7) du paquet de disques de séparation (2) et débouchent vers l'extérieur hors du paquet de disques de séparation (2).
  9. Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que plusieurs conduits d'écoulement (13) sont réalisés les uns au-dessus des autres dans le paquet de disques de séparation (2) suivant la direction de l'axe de rotation.
  10. Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que plusieurs lucarnes (11 a, 11 b, 11 c) sont réalisées, en étant réparties sur le pourtour, dans chaque disque de séparation (7), de telle sorte qu'il se forme aussi plusieurs conduits d'écoulement (13) répartis sur le pourtour.
  11. Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que les fentes entre les disques sont subdivisées en secteurs (10), l'une des lucarnes (11) étant réalisée dans chacun des secteurs.
  12. Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que, en outre, respectivement un conduit ascendant (8) est réalisé dans chacun des secteurs.
  13. Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que les lucarnes (11) ont une forme arrondie.
  14. Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que les lucarnes (11) ont une forme de toit avec une arête (16).
  15. Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que les lucarnes (11) sont réalisées chacune dans les zones des disques de séparation dans lesquelles se produit le plus important écoulement de phase lourde dans la fente (14) entre deux disques.
  16. Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que les lucarnes (11) sont disposées dans la moitié du secteur située devant les écarteurs (9) dans le sens de rotation préféré du tambour.
  17. Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que les lucarnes (11) et les ouvertures (12) sont disposées sur le premier disque de séparation respectif inférieur d'une partie avec des lucarnes (11) et des ouvertures (12), et radialement à la hauteur des conduits ascendants.
  18. Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que les lucarnes (11) du premier disque de séparation respectif inférieur dans une partie des disques de séparation avec une lucarne ne sont pas disposées davantage à l'intérieur que sur 25 % de la dimension radiale des disques de séparation, de préférence ne sont pas disposées davantage à l'intérieur que sur 1/3 de la dimension radiale des disques de séparation.
  19. Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que les lucarnes (11) du premier disque de séparation respectif inférieur dans une partie des disques de séparation avec une lucarne ne sont pas disposées davantage à l'extérieur que sur 1/2, de préférence 2/3 ou de préférence encore ¾, de la dimension radiale du disque de séparation.
  20. Disque de séparation pour une centrifugeuse, en particulier pour un séparateur, caractérisé par une lucarne (11) avec une ouverture traversant le disque de séparation (7).
EP08169370A 2007-11-23 2008-11-18 Centrifugeuse dotée d'un paquet de disque de séparation et disque de séparation Not-in-force EP2062650B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007056575A DE102007056575A1 (de) 2007-11-23 2007-11-23 Zentrifuge mit einem Trenntellerpaket und Trennteller

Publications (3)

Publication Number Publication Date
EP2062650A2 EP2062650A2 (fr) 2009-05-27
EP2062650A3 EP2062650A3 (fr) 2010-01-06
EP2062650B1 true EP2062650B1 (fr) 2011-02-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP08169370A Not-in-force EP2062650B1 (fr) 2007-11-23 2008-11-18 Centrifugeuse dotée d'un paquet de disque de séparation et disque de séparation

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EP (1) EP2062650B1 (fr)
AT (1) ATE497839T1 (fr)
DE (2) DE102007056575A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102179317B (zh) * 2011-02-28 2015-04-01 杜高升 离心油液净化机
DE102011050046A1 (de) * 2011-05-02 2012-11-08 Gea Mechanical Equipment Gmbh Zentrifuge
CN105234007B (zh) * 2015-11-02 2017-10-17 迈安德集团有限公司 一种高速盘式脱水机
CN105233971B (zh) * 2015-11-02 2017-10-24 迈安德集团有限公司 一种斜板溢流矿浆分级系统及矿浆分级工艺
CN105214854B (zh) * 2015-11-02 2017-08-08 迈安德集团有限公司 一种微细粒级尾矿干排系统及尾矿干排工艺
CN105233973B (zh) * 2015-11-02 2017-11-24 迈安德集团有限公司 一种云母矿的分级脱泥系统及脱泥工艺
CN105214833B (zh) * 2015-11-02 2017-08-08 迈安德集团有限公司 一种旋流器溢流矿浆分级系统及矿浆分级工艺

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1731999A (en) * 1929-10-15 Cream separator
US802150A (en) * 1905-05-25 1905-10-17 Charles Nordstrom Centrifugal separator.
DE664383C (de) * 1935-01-19 1938-08-26 Melotte Ecremeuses Kegelteller fuer Schleudertrommeln
NL92809C (fr) * 1947-06-13
SE321896B (fr) 1968-02-29 1970-03-16 Alfa Laval Ab
DE3607526A1 (de) 1985-03-14 1987-09-10 Westfalia Separator Ag Zentrifuge mit einer selbstentleerenden schleudertrommel
SE504094C2 (sv) * 1995-03-06 1996-11-11 Tetra Laval Holdings & Finance Skivstapel av separationsskivor för centrifugalseparator
DE102004037925A1 (de) * 2003-08-08 2005-02-24 Westfalia Separator Ag Separator mit einer Schleudertrommel mit einem Tellerpaket

Also Published As

Publication number Publication date
EP2062650A2 (fr) 2009-05-27
DE102007056575A1 (de) 2009-05-28
DE502008002550D1 (de) 2011-03-24
EP2062650A3 (fr) 2010-01-06
ATE497839T1 (de) 2011-02-15

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