WO2005016543A1 - Separator mit einer schleudertrommel mit einem tellerpaket - Google Patents
Separator mit einer schleudertrommel mit einem tellerpaket Download PDFInfo
- Publication number
- WO2005016543A1 WO2005016543A1 PCT/EP2004/008734 EP2004008734W WO2005016543A1 WO 2005016543 A1 WO2005016543 A1 WO 2005016543A1 EP 2004008734 W EP2004008734 W EP 2004008734W WO 2005016543 A1 WO2005016543 A1 WO 2005016543A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- channel
- separator according
- drum
- plate
- bores
- Prior art date
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
- 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
- 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
Definitions
- the invention relates to a separator according to the preamble of claim 1.
- a product is fed into the centrifugal drum along the drum axis through an inlet pipe and radial ner divider channels arranged downstream of it, where the product is in the plate package made of i. tightly stacked, but nevertheless in the area of the main plate surfaces relatively spaced apart and generally conical (separating) plates occurs. Heavier solids are generally stored on the plates. on the underside and migrate to the outer circumference of the plate pack, whereas the liquid flows inwards (two-phase liquid-solid separation).
- a chamber centrifuge without solids discharge openings is known from US 993,791, in which the diameter of the bores change within a plate compact or the orientation of the openings is changed from plate to plate, e.g. a plate holder contour inclined to the axis of rotation is arranged on the shaft.
- the liquids are generally drained off. in areas radially inside or radially outside to the plates of the plate pack. It is also known to use bores, in particular close to the inner circumference and close to the outer circumference of the plate package, to form discharge channels for the liquid phase (s) in the plate package (see, for example, DE 284640).
- the invention has the task of optimizing the flow conditions in the drum of a separator of the generic type using simple constructional means.
- the diameter of the at least one channel within the plate pack above the lowest plate in the flow direction is not constant and / or that the channel is inclined to the drum axis of the drum and the bores of the at least one ner divider channel are not aligned radially to the drum axis in the drum ,
- DE 38 80 19 shows a non-generic centrifuge with an inlet pipe not arranged concentrically.
- the geometry of the bores of the plates of a riser duct in the duct particularly preferably varies in such a way that the gaps between the plates are evenly supplied with liquid over the entire height of the plate pack during operation.
- the flow conditions in the centrifuge are particularly clearly optimized. It is therefore not only a simple widening of the bores “from plate to plate” but also a flow-dependent optimization in which the bores can also be designed to be constant over a number of plates and then expand, for example.
- Each plate in itself can be designed in a particularly optimal manner On the production side, this can be easily achieved, in particular by laser cutting the holes in the metal plate of the plates.
- the diameter of the channel can change step-by-step at a distance from several plates or continuously from plate to plate, in particular decrease in the direction of flow. It is particularly useful if the diameter decreases in the direction of flow, e.g. continuously.
- each channel consists of a plurality of bores, which in turn can particularly advantageously also form a perforated pattern in the plates, for example distributed circumferentially on a circle or an ellipse.
- the at least one inclined channel may run in an arc shape in the plate pack with respect to the drum axis.
- the channel (s) can very particularly preferably comprise a riser channel for supplying product to the plate pack and / or also particularly advantageously at least one discharge channel for discharging a liquid phase from the plate pack.
- the optimized design of riser and drainage channels also helps to improve the flow conditions.
- One of the discharge channels is particularly preferably designed to discharge different liquid phases close to the inner circumference or close to the outer circumference of the plate pack within the plate pack.
- the direction of flow is in the direction of liquid discharges from the drum, with a vertical orientation generally. from bottom to top).
- One or more of the measures described above make it possible, by means of simple tests, to optimize the design of the channels of a separator with a vertical axis of rotation, depending on the product and machine, in order to improve the parallel connection of the plates of the plate package and to optimize the flow conditions in order to For example, to compensate for shifts in the separation zone due to pressure differences in the plate pack (radial position) and to reduce instabilities in the plate pack (in the circumferential direction).
- the invention is expediently supplemented by the measure already mentioned and also to be considered independently, a distributor with at least one as a bore to be provided in a distributor channel which is not radially aligned in the drum, which in turn in a simple manner optimizes the flow conditions depending on the product.
- the distribution channels are preferably counter to the or possibly. are also inclined in the direction of rotation of the drum.
- the distributor channels which form bores relative to radial through the drum axis of the drum in a radially inner bore section against the direction of rotation of the drum, are aligned in a laterally inclined manner.
- the flow conditions are, in particular, also in combination with the measure that the distributor channels open into the drum in a further bore section which is directed upwards in the drum and exits into the drum directly under a riser channel of the plate pack. further optimized. It also ensures a gentler acceleration and optimal entry of the centrifuged material into the risers.
- the distribution channels can have a widening round or a slot-like outlet which extends tangentially in or against the direction of rotation of the drum and / or is directed upwards in the drum.
- Fig.1 - 8 each plan views of a portion of different plates for plate centrifuges with a vertical axis of rotation
- FIG. 9 shows a section through a schematically illustrated separator, which is laid through two distribution channels; and 10 is a plan view of a distributor for a separator of the type shown in FIG.
- FIG. 1 shows a plan view of a partial area of a known plate 1 of a plate pack for a separator (otherwise not shown here).
- the plates 1 each have a bore 2 according to FIG. 1, the bores 2 or holes of the plates 1, in the interaction of several plates arranged one above the other, forming a riser channel 3, which radially in the region of the separation zone T between a lighter and a heavier one Liquid phase.
- a slight liquid phase is diverted radially inside the plates in area 4 and a heavier liquid phase in area 5 radially outside the plates 1.
- the solid emerges from the outside of the plate pack (not shown here) and can be used there in a manner known per se e.g. through nozzles or a piston valve arrangement from the centrifugal drum.
- the plate pack or the individual plates 1 are pushed onto a distributor shaft 16, which is provided on its outer circumference with a plurality of webs 17 directed radially outward from the shaft, which protrude beyond the inner circumference I of the plate 1 and thus the plates 1 on Secure distributor shaft 16 so that it cannot rotate relative to it.
- the area 4 for deriving the light phase is formed by grooves 20 in the outer circumference of the distributor shaft 16 between the webs 17, which are introduced symmetrically to the bisector W in the distributor shaft 16.
- the riser channel 3 has a non-constant cross-section, ie the diameter of the bores 2 of the plates 1 of the plate pack, which form the riser channel, is not constant. Rather, it changes over the entire height of the plate package (here it decreases continuously over the entire height of the plate package in the direction of flow).
- the diameter of the bores 2 according to FIG. 2 preferably decreases continuously from bottom to top (indicated by dashed lines) in the case of a drum with a vertical axis of rotation, so that the diameter of the ascending channel 3 likewise decreases from bottom to top.
- the groove 20 in the distributor shaft for forming the discharge channel is not aligned symmetrically to the bisector W of each plate segment 19, but is laterally offset asymmetrically.
- the discharge channels 6, 7 are formed directly in the plate pack, ie there is a first discharge channel 6 in the plate pack radially outside the inner circumference I of the plate 1 for a light liquid phase and radially inside the outer circumference A of the plate 1 a second discharge channel 7 is formed for a heavier liquid phase.
- These can also be aligned not only symmetrically but also not symmetrically to the bisector W of each plate segment 19. This also applies to riser channels 2 for product supply.
- the discharge ducts 6, 7 are formed analogously to the riser ducts 3 by bores 8, 9 lying one above the other in the plates 1, which are close to the inner and outer circumference of the plates 1.
- the discharge channels 6, 7 can in turn have a non-constant diameter and / or, relative to the drum axis, are not directly above one another but offset from one another.
- all of the above or below arrangements of the bores 2 for the riser channels 3 can also be used analogously in the configuration of the bores 8, 9 for the discharge channels 6, 7.
- the bores 8 of the inner discharge channel 6 for the light liquid phase and or the bores 9 of the discharge channel 7 for the heavier phase and / or the bores 2 of the riser channel 3 each again from several bores 2, 8, 9 in the manner of a
- the individual bores being able to be arranged, for example, on a circle 12, in particular a radially oriented straight line or on an arc or a straight line 13 oriented in the circumferential direction.
- the arcs or straight lines can be oriented at any angle and or offset to the bisector W of the segment or to other radials through the drum axis A of the centrifuge, depending on the application. It has been shown that the division of the product flow into many small channels improves the uniform loading of the plate gaps and optimizes the flow conditions in the plate package.
- the individual bores 2, 8, 9 can have any geometry, such as a circular shape or a polygonal shape, for example a triangular or quadrangular shape (FIG. 4) or an arc shape (FIG. 5), the polygon or the further geometric shapes Shapes can be aligned at any angle to the bisector W.
- a circular shape or a polygonal shape for example a triangular or quadrangular shape (FIG. 4) or an arc shape (FIG. 5)
- the polygon or the further geometric shapes Shapes can be aligned at any angle to the bisector W.
- 6 to 8 illustrate that it is also and or optionally possible to further optimize the flow conditions in the drum and on and in the plate pack by means of an optimized distributor design.
- the distributor which is preferably in one piece, is provided with distributor channels 14 which are not radially aligned as a bore and which initially (FIG. 9) run downwards from inside to outside in a first bore section in the drum and end in a bore section which preferably has - Tender or geometrically changing distributor outlet 15a is formed.
- This is directed upwards in the drum 1 and preferably opens directly under one of the risers. It can have a circular shape in the exit area or, for example, a slot-like shape.
- the slot-like distributor outlets 15b from the bores of the distributor channels 14 can then in turn be relative to the rest of the distributor channel preferably tangential to radial in (Fig. 7) or against (Fig. 8) the direction of rotation of the drum or advance or lag.
- FIG. 9 shows a cross-sectional view of a schematically illustrated self-draining separator with a drum 21 with a vertical axis of rotation D, which has a distributor 22, into which an inlet pipe (not shown) opens from above.
- the distributor 22 has the upper distributor shaft 16, which is oriented concentrically to the axis of rotation, and several of the distributor channels 14, which are designed as bores and which each open into one of the distributor outlets 15a, b, c.
- a piston valve 23 is used to open and close solids discharge openings 24.
- the liquid is preferably drained from the drum 24 by grippers or peeling disks, which are also not shown here.
- FIG. 10 shows a corresponding top view of the distributor with the distributor shaft 16 and the lower, radially widening, almost plate-like foot section 25, which is interspersed with the three distributor channels 14, shown here by way of example, which open into the distributor outlets 15a, b, c.
- the straight bores forming the distributor channels 14 in the particularly preferably one-part distributor are not radial here but relative to radial r through the
- Drum axis M (which coincides here with the axis of rotation D in the illustration) is arranged behind the direction of rotation, which enables a particularly gentle entry of the centrifuged material.
- This is preferably accompanied by the measure of not making the holes of the rising channel 14 constant over the height of the plate pact, but instead of making them constant or variable with regard to the flow conditions.
- the angle ⁇ between the distributor channels and the radial R, which runs through the attachment region of the distributor channel (14) on the inner circumference of the distributor, is preferably between 15 and 85 °, in particular between 25 ° and 65 °, in order to ensure a particularly gentle inlet of the centrifuged material reaching into the drum.
- the distributor outlets 15a, b, c can have different geometries, which are also coordinated with the riser channels and can in turn be lagging (15b), leading (15c) or "neutral” (15a) relative to the trailing distributor arm (see also FIG 10).
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04763784A EP1651352B1 (de) | 2003-08-08 | 2004-08-04 | Separator mit einer schleudertrommel mit einem tellerpaket |
DK04763784T DK1651352T3 (da) | 2003-08-08 | 2004-08-04 | Separator omfattende en centrifugaltromle med tallerkenpakke |
US10/566,295 US7410457B2 (en) | 2003-08-08 | 2004-08-04 | Separator with a disc stack with rising channels and non-radial distributor channels |
DE502004006931T DE502004006931D1 (de) | 2003-08-08 | 2004-08-04 | Separator mit einer schleudertrommel mit einem tellerpaket |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10336349.1 | 2003-08-08 | ||
DE10336349 | 2003-08-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005016543A1 true WO2005016543A1 (de) | 2005-02-24 |
Family
ID=34089119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/008734 WO2005016543A1 (de) | 2003-08-08 | 2004-08-04 | Separator mit einer schleudertrommel mit einem tellerpaket |
Country Status (8)
Country | Link |
---|---|
US (1) | US7410457B2 (de) |
EP (1) | EP1651352B1 (de) |
CN (1) | CN100427210C (de) |
AT (1) | ATE392953T1 (de) |
DE (2) | DE502004006931D1 (de) |
DK (1) | DK1651352T3 (de) |
ES (1) | ES2305819T3 (de) |
WO (1) | WO2005016543A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010046425A1 (de) * | 2008-10-22 | 2010-04-29 | Gea Westfalia Separator Gmbh | Zentrifuge mit einstückiger abscheideeinrichtung |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE392953T1 (de) * | 2003-08-08 | 2008-05-15 | Westfalia Separator Ag | Separator mit einer schleudertrommel mit einem tellerpaket |
DE202005015693U1 (de) * | 2005-10-06 | 2007-02-15 | Westfalia Separator Ag | Separatortrommel mit optimiertem Verteiler |
SE530690C2 (sv) | 2006-04-04 | 2008-08-12 | Alfa Laval Corp Ab | Rotorenhet för en centrifugalseparator |
SE531141C2 (sv) * | 2007-05-10 | 2009-01-07 | Alfa Laval Corp Ab | Centrifugalseparator med transportörgänga som förhindrar avskiljda partiklar att täppa till rotorns insida |
EP2050505B1 (de) * | 2007-10-17 | 2016-04-06 | GEA Mechanical Equipment GmbH | Zentrifuge und Trennteller |
DE102007056575A1 (de) | 2007-11-23 | 2009-05-28 | Gea Westfalia Separator Gmbh | Zentrifuge mit einem Trenntellerpaket und Trennteller |
NL2002268C2 (nl) * | 2008-02-29 | 2010-09-16 | Daf Trucks Nv | Schotel voor een schotelscheider voor een ontluchtingsinrichting van een carterruimte. |
DE202008007499U1 (de) | 2008-06-04 | 2008-07-31 | Westfalia Separator Gmbh | Zentrifugentrommel mit einem Verteiler |
EP2556895B1 (de) | 2011-08-10 | 2018-06-27 | Alfa Laval Corporate AB | Trennscheibe für einen Fliehkraftabscheider und Verfahren zur Herstellung der Trennscheibe |
EP2664385B1 (de) * | 2012-05-14 | 2017-03-01 | Alfa Laval Corporate AB | Tellerstapel für einen Zentrifugalabscheider |
EP2664383A1 (de) * | 2012-05-15 | 2013-11-20 | Miltenyi Biotec GmbH | Zentrifugationskammer mit Deflektorabschirmungen |
EP2730339B1 (de) * | 2012-11-08 | 2018-07-25 | Alfa Laval Corporate AB | Zentrifugalabscheider |
EP2883947B1 (de) * | 2013-12-10 | 2019-08-07 | Alfa Laval Corporate AB | Kontinuierliche Reinigung von Motorölen mit einem Dreiphasenabscheider |
EP3050629A1 (de) * | 2015-01-30 | 2016-08-03 | Andritz S.A.S. | Vollmantelzentrifuge |
EP3085450B1 (de) * | 2015-04-24 | 2020-02-26 | Alfa Laval Corporate AB | Zentrifugalabscheider mit plattenstapel |
CN105413892A (zh) * | 2015-12-15 | 2016-03-23 | 宜兴市华鼎粮食机械有限公司 | 一种带耐磨衬的碟式离心机转鼓 |
CN105413894A (zh) * | 2015-12-15 | 2016-03-23 | 宜兴市华鼎粮食机械有限公司 | 一种带新型分配器的碟式离心机转鼓 |
PL3315203T3 (pl) | 2016-10-31 | 2019-11-29 | Alfa Laval Corp Ab | Tarcza rozdzielająca dla separatora odśrodkowego |
EP3315204B1 (de) | 2016-10-31 | 2019-05-08 | Alfa Laval Corporate AB | Stapel von trennscheiben |
EP3315205A1 (de) | 2016-10-31 | 2018-05-02 | Alfa Laval Corporate AB | Zentrifugalabscheider |
CN107457088A (zh) * | 2017-09-22 | 2017-12-12 | 常州大学 | 一种碟式离心机螺旋型中性孔碟片组 |
CN108246522A (zh) * | 2018-01-13 | 2018-07-06 | 常州大学 | 一种碟式离心机渐扩型中性孔碟片组 |
CN109954595B (zh) * | 2019-04-18 | 2021-12-21 | 沈阳工业大学 | 一种可变换多流道的碟式分离机碟片组 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996025234A1 (en) * | 1995-02-13 | 1996-08-22 | Tetra Laval Holdings & Finance S.A. | Inlet device for a centrifugal separator |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US993791A (en) * | 1905-08-19 | 1911-05-30 | Gustaf Oscar Wallenberg | Liner for centrifugal liquid-separators. |
DE284640C (de) * | 1913-05-02 | |||
SE335842B (de) * | 1966-12-21 | 1971-06-07 | Dorr Oliver Inc | |
DE2846405A1 (de) | 1978-10-25 | 1980-05-08 | Degussa | Pigmentruss fuer schwarzlacke |
DE3045672A1 (de) * | 1980-12-04 | 1982-07-08 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Vollmantel-zentrifuge |
DE3714399C1 (en) * | 1987-04-30 | 1988-04-07 | Westfalia Separator Ag | Plate insert for centrifuged drums |
CA1328540C (en) | 1987-05-21 | 1994-04-12 | John L. Krstenansky | Cyclic anticoagulant peptides |
SE8803686D0 (sv) * | 1988-10-17 | 1988-10-17 | Alfa-Laval Separation Ab | Centrifugalseparator |
SE504094C2 (sv) * | 1995-03-06 | 1996-11-11 | Tetra Laval Holdings & Finance | Skivstapel av separationsskivor för centrifugalseparator |
DE19519693C1 (de) * | 1995-05-30 | 1996-08-22 | Westfalia Separator Ag | Verfahren und Vorrichtung zum Füllen einer selbstentleerenden Schleudertrommel |
DE20010743U1 (de) * | 2000-06-16 | 2000-10-12 | Westfalia Separator Food Tec G | Zentrifuge mit doppeltem Zulauf |
DE10055398C1 (de) | 2000-11-09 | 2002-04-18 | Kyffhaeuser Maschf Artern Gmbh | Tellerpaket für einen Zentrifugalseparator |
ATE392953T1 (de) * | 2003-08-08 | 2008-05-15 | Westfalia Separator Ag | Separator mit einer schleudertrommel mit einem tellerpaket |
-
2004
- 2004-08-04 AT AT04763784T patent/ATE392953T1/de active
- 2004-08-04 WO PCT/EP2004/008734 patent/WO2005016543A1/de active IP Right Grant
- 2004-08-04 DE DE502004006931T patent/DE502004006931D1/de active Active
- 2004-08-04 CN CNB2004800227683A patent/CN100427210C/zh not_active Expired - Fee Related
- 2004-08-04 US US10/566,295 patent/US7410457B2/en not_active Expired - Fee Related
- 2004-08-04 DK DK04763784T patent/DK1651352T3/da active
- 2004-08-04 ES ES04763784T patent/ES2305819T3/es active Active
- 2004-08-04 EP EP04763784A patent/EP1651352B1/de not_active Not-in-force
- 2004-08-04 DE DE102004037925A patent/DE102004037925A1/de not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996025234A1 (en) * | 1995-02-13 | 1996-08-22 | Tetra Laval Holdings & Finance S.A. | Inlet device for a centrifugal separator |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010046425A1 (de) * | 2008-10-22 | 2010-04-29 | Gea Westfalia Separator Gmbh | Zentrifuge mit einstückiger abscheideeinrichtung |
DE102008052630A1 (de) | 2008-10-22 | 2010-04-29 | Gea Westfalia Separator Gmbh | Zentrifuge |
Also Published As
Publication number | Publication date |
---|---|
DE502004006931D1 (de) | 2008-06-05 |
EP1651352B1 (de) | 2008-04-23 |
DE102004037925A1 (de) | 2005-02-24 |
DK1651352T3 (da) | 2008-09-22 |
CN1832807A (zh) | 2006-09-13 |
US20080015099A1 (en) | 2008-01-17 |
US7410457B2 (en) | 2008-08-12 |
EP1651352A1 (de) | 2006-05-03 |
ATE392953T1 (de) | 2008-05-15 |
CN100427210C (zh) | 2008-10-22 |
ES2305819T3 (es) | 2008-11-01 |
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