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EP2958678A2 - Ensemble de disques séparateurs - Google Patents

Ensemble de disques séparateurs

Info

Publication number
EP2958678A2
EP2958678A2 EP14704591.8A EP14704591A EP2958678A2 EP 2958678 A2 EP2958678 A2 EP 2958678A2 EP 14704591 A EP14704591 A EP 14704591A EP 2958678 A2 EP2958678 A2 EP 2958678A2
Authority
EP
European Patent Office
Prior art keywords
tab
trenntellerpaket
radially
tabs
plate
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
EP14704591.8A
Other languages
German (de)
English (en)
Other versions
EP2958678B1 (fr
Inventor
Kathrin Quiter
Julian KÖNIG
Thomas Bathelt
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 EP2958678A2 publication Critical patent/EP2958678A2/fr
Application granted granted Critical
Publication of EP2958678B1 publication Critical patent/EP2958678B1/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
    • 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 separator plate package according to the preamble of claim 1.
  • a centrifuge with a separator plate package is disclosed for example in DE 10 2008 051 867 A1.
  • Separator plates are commonly made of metal.
  • tabs in the form of webs or points are formed on the separating plate, which on the one hand ensure the spacing of the plates in the axial direction and which, on the other hand, define flow paths.
  • the technological background should also DE 610 987 PS, DE 195 37 268 C1, US 3,133,880 A, US 3,335,946 and DE 17 69 636, which disclose each separation plate with a variety of tab assemblies.
  • One aim of the development is to design the separating plates of a plate pack of a separator or another centrifuge such that the clarification of a product of solids achieves the best possible clarifying effect.
  • the invention achieves this object by the subject matter of claim 1 and provides the subject matter of claims 20 and 21. It further provides a separator drum with a separator disk package according to one or more of claims 1 to 21.
  • each separating plate preferably divided by first tabs in the circumferential direction into a plurality of circumferentially distributed angle segments is so that in the operation of the centrifuge with rotating drum in the circumferential direction little or no liquid can flow from tray to tray segment. It is particularly advantageous if the web-like tabs of the separating plates are distributed on the separating plate, in particular within the angular segments, that a product to be processed initially radially from outside to inside, then radially from inside to outside (first deflection to quasi or substantially 180 °) and then again radially from outside to inside (second deflection by substantially or quasi 180 °).
  • the flow channel (s) are configured in such a way that at least part of a product entering in the outer radial third in at least one riser channel of the separation plate stack flows in the radial direction between the separation plates is then deflected radially outwardly and then deflected radially inwardly again, where it exits at the radial inner edge of the separator plate package from this. Due to the entry radially outward and the outlet radially inwardly the path of the part of the product that flows along this entire path, particularly advantageously very long.
  • a further (preferably fourth) tab is provided which, in any case, has a smaller radial height than the spacers which also serve as spacers. see, so that between the vertical top of this further tab and the underside of the axially next upper plate a cross-sectional reduction or a gap in the flow channel is formed, can flow through the product (in particular solid particles) to the outside of the disk package.
  • Fig. 1 is a perspective view of a schematically illustrated
  • Fig. 2 is a schematic diagram of a nozzle separator, which is suitable for use of the separation plate of Figure 1;
  • FIG. 3 shows a plan view of a segment of a second separating plate
  • Fig. 5a is a perspective view of a fourth separating plate
  • Fig. 5b is a view of an edge portion of the fourth separation plate
  • FIG. 5a in the direction of arrow F in relation to FIG. 5a enlarged view.
  • FIG. 2 shows a centrifuge designed as a separator, here as a nozzle separator, with a drum 1 rotatable about a rotation axis D, into each of which a separation plate package 2 of stacked or stacked separation plates 3, 3 'is inserted.
  • the function of such separators with an inlet 4, a solids chamber 5 and processes 6, 7 for solids discharge and liquid phase (s) discharge has long been well known and therefore needs no further explanation.
  • the axis of rotation D is vertically aligned here and the drum 2 is preferably biconical. It enables continuous processing, in particular clarification, of a product to be processed. In addition, a separation of the product into two liquid phases of different density can take place.
  • FIG. 1 shows a schematic representation of a separating plate 3 of the separating plate stack 2, which preferably consists of a metal sheet.
  • the respectively adjacent separating plates 3 and 3 ' are arranged axially spaced from each other so that a gap, a so-called plate gap, is formed between them.
  • the separating plate 3 has a conical basic shape 9 (see FIG. 1), so that a sequence of several separating plates 3, 3 'also forms a substantially conical separating plate packet 2.
  • the separation plate 3 has a radial Au tungsten 1 0 and a radial inner edge 1 1. At the separation plates 3 solids are separated from a liquid to be clarified.
  • tabs 1 2, 1 3, 14 On the conical basic shape 9 of the separating plate 3 elevations are formed by tabs 1 2, 1 3, 14, which can be preferably formed by a stamping process but also by placing appropriate webs on the plate.
  • the tabs are indeed shown in dashed lines, but this is the easier recognizability for detecting the tabs, the Shen by impressing, Aufschwei or the like. Can be made and protrude axially from the plate.
  • tabs 1 2, 13, 14 serve as spacers and influence the flow.
  • On the underside of the separation plate preferably no tabs are provided.
  • the separation plates 3 are there smooth or have a microstructure, which is compared to the axially preferably a few tenths mm protruding tabs 1 2 to 14 axially very low.
  • the tabs 1 2 to 14 preferably form a tab pattern, as can be seen in Fig. 1.
  • the upper side of the separating plates 3, preferably each separating plate 3, is subdivided into a plurality of circumferentially distributed angular segments 1 5a, b, c,...
  • first tabs 12 in the circumferential direction.
  • the first tabs 12 extend radially. They preferably extend over at least 90-100% of the radial length of the separation plates, preferably from the outer edge 10 to the inner edge 11 or right up to these edges. In the circumferential direction preferably no liquid from plate-angle segment 15a to plate-angle segment 15b, etc. flow.
  • a labyrinth-like flow channel 16 is formed which ensures at least a single, but preferably double or even triple or multiple deflection by at least 120 °, preferably in each case substantially 180 °.
  • each angular segment 15 a, b, c, ... is spaced circumferentially and in the direction of rotation D of the centrifuge drum or offset each angular segment 15 a, b, c, ... preferably each formed a second tab 13 which also extends radially, preferably directly from the outer edge 10 radially inwardly, preferably from the outer edge 10 by 50% to 80% of the radial extent of the separation plate 3 inwards.
  • each angle segment 15 a, b, c, ... preferably a third tab 14 is present.
  • This has, according to the embodiment of FIGS. 2 and 3 in a plan view of the separating plate 3, an L-shape with two legs 14a and 14b which are angled at an angle, in particular at right angles.
  • the third tab 14 preferably passes directly into the first tab 12 or sets directly to this.
  • one of the legs 14a also extends radially. In the direction of rotation relative to the second lug 13, this leg 14a is spaced between the second lug 13 and the first lug 12 of the next or adjacent tray segment 15b.
  • the leg 14a preferably extends over more than 50% of the radial extent of the separation plate 3, wherein it is arranged approximately centrally between the outer edge 10 and the inner edge 1 1. He has in particular to the outer edge 10 at a radial distance, the we- at least 5%, preferably at least 10% of the radial extent of the separating plate 3
  • This leg 14a is over a preferably in the circumferential direction or perpendicular or substantially perpendicular to the
  • Leg 14a and the first tab 1 2 extending legs 14b connected to the first tab 1 2.
  • This leg 14b is preferably located in the circumferential direction directly adjacent to the inner edge 1 1st
  • Such a labyrinth-like flow channel 1 6 is preferably formed in each tray segment in the tray 1 5a, b, c ..., which extends between the tabs and a liquid twice by quasi or substantially 180 ° (or quasi 1 80 ° ) redirects.
  • inflow zone 1 6a between the tabs 1 2, 1 3 radially from the outside Shen in the plate gap inflowing product first flows radially inward, is then deflected around the inner end of the second tab 1 3 around, then flows in a second zone 1 6b of the channel 1 6 radially outward Shen and is finally deflected by the externa ßere end of the third tab 14 radially inwardly into a zone 1 6c.
  • a ßere end of the third tab 14 radially inwardly into a zone 1 6c.
  • the clarified product then flows between the third tray 14 and the first lug 1 2 of the tray 1 5b next in the direction of rotation in the third zone 1 6c of the channel 1 6 radially inward over the inner edge 11 and is discharged there.
  • This arrangement is preferably repeated in the circumferential direction.
  • a guided flow is achieved, which is a better utilization of the clarification area allows.
  • FIGS. 3 and 4 also show that the separating plates 3, according to a variant of the invention discussed so far, and also as an independently contemplated invention distributed in the circumferential direction, can alternately have regions 17, 18 of different outside diameters.
  • the outer diameter preferably, the outer diameter is here by 1 to 10 mm larger or smaller than in the areas 18
  • the areas 18 smaller or larger diameter should be the radial outlet for the solid particles. In this way, the path of the product in the plate gap is further extended and the clarification effect optimized.
  • the separating plate 3 can optionally have openings or recesses which, in interaction with another separating plates 3 'in the mounted state, form a rising channel (not shown).
  • the conical separating plates is preferably not tiered or wavy, as shown in US 3,133,880 but - apart from u.U. existing microscopic structures on the plate surface, smooth surface.
  • Fig. 4 shows how Fig. 3 is a plan view of a single tray segment, preferably in the circumferential direction join more equally shaped tray segments.
  • the first and second tabs 12, 13 are configured and aligned radially in the manner of FIG. 1.
  • the third tab 14 ' but not L-shaped but at an acute angle - preferably at an angle between 30 ° and 60 ° - to the first tab 12 aligned third tab 14' is formed, which extends obliquely from the inner edge 1 1 to the outside in that its radially outer free end projects radially outwards (and in the circumferential direction) beyond the radially inner end of the second lug 13. Also such a double deflection is achieved by 180 °.
  • the oblique arrangement of the tab 14 ' allows a good sliding of the solids at this third tab 14' radially outward. It is clear that it is very possible to put the invention into practice by means of tab patterns of various kinds.
  • Fig. 5 is provided as an option, in the circumferential direction between the second tab 13 of a disk segment and the first tab 12 of the next disk segment - preferably immediately before or on the outer edge 10 - provide a fourth tab 19.
  • This fourth tab 19 has - see Fig. 5b - but a lower radial height than the rest as well as spacers of the plate in the disk package nieden tabs 12, 13, 14 a, b. In this way, between the upper side of this fourth tab 19 and the lower side of the axially next upper plate (indicated in FIG.
  • a dashed line T a cross-sectional reduction or (usually only one or very few tenths of mm) axially extending) gap 20 formed in the flow channel, through which the flow conditions are so positively influenced that the solids can well leave the plate package to the outside, while the main flow of the product is positively supported on the inside.

Landscapes

  • Centrifugal Separators (AREA)

Abstract

L'invention concerne un ensemble de disques séparateurs conçu pour un tambour rotatif (1) d'une centrifugeuse, en particulier d'un séparateur ou d'une centrifugeuse hélicoïdale à bol plein, comprenant des disques séparateurs (3, 3') coniques empilés axialement, des interstices étant respectivement formés entre des disques séparateurs adjacents. Un ou plusieurs canaux d'écoulement (16) à aspect labyrinthique sont formés sur un ou plusieurs des disques séparateurs (3) axialement adjacents, canaux dans lesquels, lors du fonctionnement, la direction d'écoulement d'un produit en écoulement comportant des matières solides à séparer par clarification est modifiée deux fois ou davantage respectivement d'au moins 120°.
EP14704591.8A 2013-02-20 2014-02-14 Ensemble de disques séparateurs Active EP2958678B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013101654.5A DE102013101654A1 (de) 2013-02-20 2013-02-20 Trenntellerpaket
PCT/EP2014/052954 WO2014128063A2 (fr) 2013-02-20 2014-02-14 Ensemble de disques séparateurs

Publications (2)

Publication Number Publication Date
EP2958678A2 true EP2958678A2 (fr) 2015-12-30
EP2958678B1 EP2958678B1 (fr) 2017-04-26

Family

ID=50112915

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14704591.8A Active EP2958678B1 (fr) 2013-02-20 2014-02-14 Ensemble de disques séparateurs

Country Status (8)

Country Link
US (1) US9687858B2 (fr)
EP (1) EP2958678B1 (fr)
CN (1) CN105188946B (fr)
DE (1) DE102013101654A1 (fr)
DK (1) DK2958678T3 (fr)
ES (1) ES2635144T3 (fr)
RU (1) RU2661587C2 (fr)
WO (1) WO2014128063A2 (fr)

Families Citing this family (21)

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PL2556895T3 (pl) * 2011-08-10 2018-10-31 Alfa Laval Corporate Ab Tarcza rozdzielająca do separatora odśrodkowego i metoda wytwarzania tarczy rozdzielającej
SE536671C2 (sv) * 2012-04-23 2014-05-13 3Nine Ab Koniska skivelement till en rotor för centrifugalseparatorerjämte rotorer innehållande sådana skivelement
EP2664385B1 (fr) * 2012-05-14 2017-03-01 Alfa Laval Corporate AB Pile de disques pour un séparateur centrifuge
FR2992574B1 (fr) * 2012-06-29 2014-08-08 Commissariat Energie Atomique Separateur centrifuge a flux laminaire
DE102013101654A1 (de) * 2013-02-20 2014-08-21 Gea Mechanical Equipment Gmbh Trenntellerpaket
CN107614116A (zh) * 2015-08-14 2018-01-19 K·L·舍曼 具有水脱盐和净化应用的连续流动离心机
EP3207996B1 (fr) * 2016-02-22 2019-05-08 Alfa Laval Corporate AB Rotor de centrifugeuse d'un séparateur centrifuge, séparateur centrifuge, procédé de séparation et disque conique
EP3231515B1 (fr) 2016-04-13 2020-09-30 Alfa Laval Corporate AB Disque de séparation pour séparateur centrifuge et emballage de disques comprenant de tels disques de séparation
EP3315205A1 (fr) 2016-10-31 2018-05-02 Alfa Laval Corporate AB Séparateur centrifuge
EP3315204B1 (fr) * 2016-10-31 2019-05-08 Alfa Laval Corporate AB Empilement de disques de séparation
EP3315203B1 (fr) * 2016-10-31 2019-07-03 Alfa Laval Corporate AB Disque de séparation pour séparateur centrifuge
ES2830623T3 (es) 2017-05-02 2021-06-03 Alfa Laval Corp Ab Un disco de separación para un separador centrífugo
US20200016611A1 (en) * 2018-07-16 2020-01-16 Fhe Usa Llc Centrifugal solids separator
WO2020147375A1 (fr) * 2019-01-14 2020-07-23 沈智奇 Machine de séparation solide-liquide de type disque à plusieurs étages ou machine d'élimination de poussière
EP3769845B1 (fr) * 2019-07-26 2024-02-28 Tetra Laval Holdings & Finance S.A. Séparateur centrifuge
DE102019130796A1 (de) 2019-11-14 2021-05-20 Gea Mechanical Equipment Gmbh Trennteller, Trenntellerpaket und Zentrifuge mit dem Trenntellerpaket sowie Verfahren zur Herstellung des Trenntellers
US12059691B2 (en) * 2020-02-06 2024-08-13 Poet Research, Inc. Centrifuge that includes at least one discrete, flow interference member, and related systems and methods
CN111692017B (zh) * 2020-06-17 2022-03-22 大庆市中瑞燃气有限公司 一种燃气发电机组燃料气水分离装置
CN112999702B (zh) * 2021-03-25 2022-11-18 绵阳世诺科技有限公司 一种连续重力薄膜离心排料盘及应用
EP4159319A1 (fr) * 2021-09-29 2023-04-05 Alfa Laval Corporate AB Séparateur centrifuge
DE202024102552U1 (de) 2024-05-17 2025-08-19 Gea Westfalia Separator Group Gmbh Trennteller, Tellerpaket und Zentrifuge

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Also Published As

Publication number Publication date
WO2014128063A2 (fr) 2014-08-28
WO2014128063A3 (fr) 2015-04-16
RU2661587C2 (ru) 2018-07-17
CN105188946B (zh) 2017-11-17
CN105188946A (zh) 2015-12-23
ES2635144T3 (es) 2017-10-02
US20160001302A1 (en) 2016-01-07
EP2958678B1 (fr) 2017-04-26
DK2958678T3 (en) 2017-07-24
US9687858B2 (en) 2017-06-27
RU2015133371A (ru) 2017-03-29
DE102013101654A1 (de) 2014-08-21

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