EP2091657B1 - Centrifugeuse, en particulier séparateur, dotée de tuyères de sortie de solide - Google Patents
Centrifugeuse, en particulier séparateur, dotée de tuyères de sortie de solide Download PDFInfo
- Publication number
- EP2091657B1 EP2091657B1 EP07822335A EP07822335A EP2091657B1 EP 2091657 B1 EP2091657 B1 EP 2091657B1 EP 07822335 A EP07822335 A EP 07822335A EP 07822335 A EP07822335 A EP 07822335A EP 2091657 B1 EP2091657 B1 EP 2091657B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drum
- bores
- centrifuge according
- discharge orifices
- axis
- 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
Links
- 239000007787 solid Substances 0.000 title claims abstract description 18
- 239000007790 solid phase Substances 0.000 claims description 3
- 239000012071 phase Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
Images
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
- B04B1/10—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
- B04B1/12—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 with continuous discharge
Definitions
- the invention relates to a centrifuge with a centrifugal drum rotatable about a rotation axis, in particular a separator with a centrifugal drum rotatable about a vertical axis of rotation, according to the preamble of claim 1.
- Such a separator is from the US-A-3,108,952 known.
- solid-discharge nozzles are angularly offset from each other in the region of the largest inner diameter of the centrifugal drum.
- nozzle bodies are used in each case in bores of the drum shell, which do not extend radially outward, but are inclined to the respective radial direction, in order to use the acceleration effect of emerging from the nozzle product phase, which reduces the energy required to rotate the centrifugal drum.
- the outlet nozzles are arranged inclined to the radial direction, the product jet exiting from the outlet nozzles can at least to a certain extent hit or collide against the outer wall of the drum, which can cause considerable wear of the drum outer wall.
- erosion can lead to the formation of grooves in the outer drum shell, which become deeper and longer over time and thus limit the service life of the drum.
- the outlet nozzles shown in this document each consist of a first sleeve with a centrally extending through the sleeve from the inside radially outward bore.
- the first sleeves are inserted into the holes of the drum shell. In it is screwed in each case in its end region at an angle to the radial direction of a second sleeve, which also has a central bore, so that the exiting from the centrifugal drum product phase first through the first sleeve radially outward and then through the second sleeve is guided, from which it emerges inclined to the radial direction counter to the direction of rotation of the separator.
- centrifuge drum From the AT 9622 B is a centrifuge drum known, which is divided in the vertical direction several times by slices in individual centrifugal chambers, each with a double conical contour, at the largest inner diameter of each outlet openings are formed.
- the DE-C-36 19 298 also shows a Tellerseparator with a double conical drum interior, at its largest inner diameter Feststoffaustragsdüsen are formed.
- About tubing, which is located at an axially offset in vertical setting "higher” and radially inward position of the drum from the drum In addition, a product phase, which contains only a small amount of solids, can be led out of the drum from an inner radius.
- the tube is derived from a different state having product phase than by the Feststaffaustragsdüsen.
- the invention has the object to extend the service life of the drum with simple means.
- the holes in the solids outlet nozzles in the region of the largest inner diameter in the inside single or double conical centrifugal drum are arranged completely or at least partially in the axial or preferably vertical direction at different heights (Z-axis).
- the recesses or depressions in the drum shell which lie in relation to the direction of rotation of the drum respectively behind the outlet nozzles and which are getting longer by increasing wear in use, can reach a much greater length in the circumferential direction before they reach the next outlet nozzle in the circumferential direction, as if all of the outlet openings in only one vertical height (Z-axis parallel to the axis of rotation).
- an effective wear protection of the separator drum is realized in a simple manner with which the service life of the drum or of the part of the drum which has the discharge openings can be increased. In most cases, this is the drum base.
- this wear protection measure can also be combined as desired with further wear protection measures such as coatings or wear protection elements in the region of the outlet openings.
- the invention is primarily suitable for separators whose centrifugal drum have a vertical axis of rotation and inside and / or outside are simply or double conical, wherein the solids outlet nozzles have nozzle body, which preferably arranged in the region of the largest diameter of the centrifugal drum, in particular of are used outside in this.
- the invention can be used in separators whose outlet openings are offset by a distance relative to the largest outer circumference or outer diameter of the centrifugal drum inwardly and each have a groove-like recess or recess in extension of the outlet openings in the drum shell, which in the rule are designed wedge-shaped, so that the solid can escape with a flat, as far as possible a tangent angle.
- the outlet openings lie alternately in the circumferential direction in two mutually parallel planes which are aligned perpendicular to the vertical or to the Z-axis and are arranged in the circumferential direction alternately in the first plane and in the second plane, which leads to a particularly effective wear protection.
- the position and orientation of the actual holes is left unchanged and only the nozzle body are each oriented slightly differently, so that their outlet openings are each preferably completely perpendicular to the vertical at different levels.
- the inlet openings and also the inner openings of the openings are still at a common vertical height. This must - and this is particularly advantageous - anyway, the contour of the drum interior still not be changed.
- the holes themselves are oriented differently - e.g. in the circumferential direction alternately relative to the z-axis obliquely upwards and obliquely downward - which in any case are the outlet openings of the screwed into the holes nozzle body in a different vertical height.
- the holes are completely - ie in the region of their inner inlet opening in different vertical height, which also provides the advantage of the invention, but a new contouring of the drum inner shell requires, so that the above variant, which exemplifies in Fig. 2 is shown, is preferred.
- Fig. 1 shows a perspective view of a separator drum 1 with a vertical axis of rotation A (see also Fig. 2 and 3 ).
- the vertical height on the drum relative to the axis of rotation A is hereinafter referred to as "Z" (see Fig. 2 ).
- the direction of rotation is indicated by the arrow U.
- the separator drum 1 has a drum base 2 and a drum top 3, which form a drum outer casing with a double conical geometry.
- Embodiments with simple or non-conical drums are also feasible within the scope of the invention.
- the drums can also be simple or double conical in terms of their interior.
- the separator drum 1 is preferably a separation plate package with separation plates used.
- the separator drum 1 also has an inlet pipe (not shown here) and liquid drains (also not shown here). It is preferably at least designed as a two-phase machine (solid phase, liquid phase) or as a three-phase machine (solid, liquid, liquid). It is also preferably operated continuously and in particular further preferably also continuously diverts the solid phase.
- the separator drum 1 - here the drum base 2 - is provided with a plurality of outlet nozzles.
- it is at least two, preferably a plurality of openings, in particular holes 4, interspersed.
- These holes 4 are again preferably in the region of the largest diameter (see Fig. 2 ) of the drum formed and enforce the drum shell from the inside of the drum to the outside.
- a sleeve-like nozzle body 5 is preferably used in each of the holes 4 (see, eg Fig. 2 and 4 ), eg screwed in. As a result, the solids discharge is made possible from the inside of the drum.
- the drum base 2 follows Fig. 2 For example, in the area in which it is penetrated by the openings 4, radially in front of each opening 4, a recess 6 tapering outwards towards the openings 4. As a result, the solids segment structure between the nozzle bodies 5 is minimized.
- the nozzle bodies 5 are each provided with a bore 7 extending from the interior of the drum in the direction of the outer drum space, which preferably extends radially from inside to outside in a first bore section 8 and then into a bore section 9 angularly aligned with the first bore section 8 passes ( Fig. 2 . 4 ).
- the outlet opening 10 of the bore portion 9 is preferably aligned at an angle to the radial direction R, wherein the angle ⁇ between the radial direction and the outlet opening 10 and the second bore portion 9 is preferably equal to or less than 90 °. In particular, it is between 45 ° and 90 °.
- the outlet opening 10 is offset in each case relative to the largest outer circumference or diameter of the centrifugal drum or the drum shell inwards.
- groove-like depressions or recesses 11 are formed in the drum shell at an angle to the radial direction on the production side in the extension of the second bore section 9, so that the product phase emerging from the outlet nozzles is injected as far as possible past the drum shell.
- the holes 7 of the sleeve body 5 (and possibly also the holes 4 in the drum shell, which receive the nozzle body 5) completely or at least in the region of their outlet openings 10 in the vertical direction are not in a plane but in at least two or more different levels E1, E2.
- the outlet openings 10 lie in two mutually parallel planes, which are aligned perpendicular to the vertical or to the Z-axis. Thus, they are arranged alternately in the circumferential direction in the first plane and in the second plane. This is especially in Fig. 2d to recognize.
- Fig. 5 indicates that in another variant, the outlet openings 10 are indeed in a plane, but the holes or areas in front of the outlet openings 10th are aligned so that the solid is radiated obliquely upwards and downwards in different directions, so that the service life is also extended.
- inlet openings 12 of the holes 7 are inlet openings 12 of the holes 7 in a common plane to the drum axis, so that the contour of the inner shell of the separator drum by the measure, the outlet openings 10 to be arranged in at least two or more different levels, must not be changed.
- the position and orientation of the actual holes 4 is left unchanged and only the nozzle body are oriented slightly differently, so that their outlet openings 10 are perpendicular to the vertical Z at different levels.
- the inlet openings 12 and also the inner mouths of the openings 4 are still at a vertical height. Then - and this is particularly advantageous - in any case, the contour of the drum interior still remains unchanged.
- the holes 4 themselves are, however, differently oriented - eg in the circumferential direction alternately relative to the inner mouth obliquely upwards and obliquely downwards, which in any case the outlet openings 10 of the screwed into the holes 4 nozzle body in a different vertical height (planes E1, E2, see Fig. 2 ) are located.
- outlet openings 10 open outward in an annular region 13 of the drum, in which the drum shell has a completely or essentially constant diameter.
Landscapes
- Centrifugal Separators (AREA)
Claims (14)
- Centrifugeuse, comportant un panier centrifuge (2) rotatif autour d'un axe de rotation (D), en particulier un séparateur travaillant en continu, comportant un panier centrifuge (2) rotatif autour d'un axe de rotation (D) vertical, qui est réalisé à l'intérieur selon un simple cône ou un double cône et qui, dans la zone de son plus grand diamètre intérieur est muni d'au moins une ou de plusieurs buses de sortie de matières solides, qui comportent des forures (7) avec des orifices de sortie (10), caractérisée en ce que les forures (7) dans les buses de sortie de matières solides, dans la zone du plus grand diamètre intérieur dans le panier centrifuge (2) en simple ou double cône intérieur, sont disposées en totalité ou au moins en partie dans différentes hauteurs (axe Z) dans la direction axiale ou, de préférence, la direction verticale.
- Centrifugeuse selon la revendication 1, caractérisée en ce que les forures (7), au moins dans la zone de leurs orifices de sortie (10), sont disposées à hauteur différente (axe Z) dans la direction verticale.
- Centrifugeuse selon la revendication 1, caractérisée en ce que les forures (7) sont orientées et alignées de telle sorte que la phase solide sort des orifices de sortie (10) dans au moins deux directions différentes.
- Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que les orifices de sortie (10) sont situés dans au moins deux ou davantage de plans différents les uns des autres, lesquels sont orientés perpendiculairement à l'axe de rotation (A) du panier.
- Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que les orifices de sortie (10) sont situés dans la direction circonférentielle en alternance dans deux plans (E1, E2) différents l'un de l'autre, qui sont orientés perpendiculairement à l'axe de rotation (A) du panier.
- Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que les buses de sortie des matières solides comportent des corps de buse, qui sont disposés de préférence dans la zone du plus grand diamètre du panier centrifuge.
- Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que les buses de sortie des matières solides sont formées par des corps de buse (5), qui sont insérés dans des orifices (4) dans la paroi latérale du panier, lesquels traversent la paroi latérale du panier depuis l'intérieur vers l'extérieur, et en ce que les corps de buse (5) sont munis chacun de la forure (7) qui s'étend depuis le volume intérieur du panier vers l'extérieur du panier.
- Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que les corps de buse (5) sont insérés chacun de manière différente dans les forures (7), de telle sorte que leurs orifices de sortie (10) débouchent respectivement dans des plans verticaux différents.
- Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que les forures (7) s'étendent dans un premier tronçon (8), d'abord sensiblement dans la direction radiale de l'intérieur vers l'extérieur, et ensuite se prolongent dans un deuxième tronçon (9) disposé en angle par rapport au premier tronçon (8), et en ce que les orifices de sortie (10) du deuxième tronçon (9) sont orientés de préférence chacun en angle par rapport à la direction radiale.
- Centrifugeuse selon la revendication 9, caractérisée en ce que les orifices de sortie (10) sont situés respectivement en étant décalés vers l'intérieur par rapport au plus grand diamètre extérieur ou diamètre du panier centrifuge ou de la paroi latérale du panier, sachant que dans le prolongement du deuxième tronçon (9), un creux ou évidement (11), en forme de rainure en angle par rapport à la direction radiale, est réalisé dans la paroi latérale (I) du panier.
- Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que les orifices d'entrée (12) des forures (7) et/ou les forures (4) sont situés par rapport à l'axe du panier dans un plan commun ou sur une hauteur verticale.
- Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que les forures (4), dans la direction circonférentielle, sont orientées en alternance en oblique vers le haut ou en oblique vers le bas par rapport à leur bouche.
- Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que les forures (4) et les forures (7) des corps de buse (5) sont réalisées en totalité sur une hauteur verticale (z) différente.
- Centrifugeuse selon l'une quelconque des revendications précédentes, caractérisée en ce que les orifices de sortie (10) sont réalisés dans une zone annulaire de la partie inférieure (3) du panier, laquelle a un diamètre constant.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006053491A DE102006053491A1 (de) | 2006-11-14 | 2006-11-14 | Zentrifuge, insbesondere Separator, mit Feststoff-Austrittsdüsen |
PCT/EP2007/062029 WO2008058883A1 (fr) | 2006-11-14 | 2007-11-08 | Centrifugeuse, en particulier séparateur, dotée de tuyères de sortie de solide |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2091657A1 EP2091657A1 (fr) | 2009-08-26 |
EP2091657B1 true EP2091657B1 (fr) | 2010-09-01 |
Family
ID=38904699
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07822335A Active EP2091657B1 (fr) | 2006-11-14 | 2007-11-08 | Centrifugeuse, en particulier séparateur, dotée de tuyères de sortie de solide |
Country Status (8)
Country | Link |
---|---|
US (1) | US8419607B2 (fr) |
EP (1) | EP2091657B1 (fr) |
CN (1) | CN101605609B (fr) |
AT (1) | ATE479503T1 (fr) |
CA (1) | CA2670868C (fr) |
DE (2) | DE102006053491A1 (fr) |
DK (1) | DK2091657T3 (fr) |
WO (1) | WO2008058883A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022263183A1 (fr) | 2021-06-17 | 2022-12-22 | Gea Westfalia Separator Group Gmbh | Tambour centrifuge d'un séparateur à buses et séparateur à buses |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20219551U1 (de) * | 2002-12-16 | 2004-04-29 | Westfalia Separator Ag | Zentrifuge, insbesondere Separator, mit Feststoff-Austrittsdüsen |
DE102006053491A1 (de) * | 2006-11-14 | 2008-05-15 | Westfalia Separator Ag | Zentrifuge, insbesondere Separator, mit Feststoff-Austrittsdüsen |
DE102012002351A1 (de) * | 2011-11-24 | 2013-05-29 | Bma Braunschweigische Maschinenbauanstalt Ag | Diskontinuierliche Zentrifuge mit einer drehbaren Zentrifugentrommel mit einem Mantel und Verfahren zur Herstellung des Mantels |
AU2012344280B2 (en) * | 2011-11-28 | 2015-11-19 | Alfa Laval Corporate Ab | Centrifugal separator with anti-fouling properties |
EP2962763A1 (fr) * | 2014-07-04 | 2016-01-06 | Andritz Frautech S.r.l. | Tambour de séparateur de buse |
CN104881067B (zh) * | 2015-06-02 | 2017-02-22 | 兰州大学 | 一种可控制不规则沙粒投射角度和速度的发射装置 |
MX2018011526A (es) * | 2016-03-24 | 2019-07-04 | Fluid Quip Inc | Rotor centrífugo con boquillas alternadas para usarse en una centrífuga de disco de boquillas. |
DE102016108057B4 (de) * | 2016-04-29 | 2018-08-02 | Gea Mechanical Equipment Gmbh | Auslassdüse für eine Zentrifugentrommel, Zentrifugentrommel und Montagewerkzeug |
EP3398687B1 (fr) | 2017-05-04 | 2020-03-18 | Andritz S.A.S. | Centrifuge de décantation |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT9622B (de) * | 1901-01-24 | 1902-10-25 | Olof Ohlsson | Schleudertrommel zur Ausscheidung fester Stoffe aus Flüssigkeiten. |
US2060236A (en) * | 1935-02-08 | 1936-11-10 | Ernest L Muehl | Dough kneading and cutting machine |
US2695748A (en) * | 1952-01-22 | 1954-11-30 | Merco Centrifugal Co | Centrifuge nozzle construction |
FR1598924A (fr) * | 1968-07-31 | 1970-07-15 | ||
FR2180589B1 (fr) * | 1972-04-21 | 1975-03-21 | Loison Robert | |
DE3619298C1 (de) * | 1986-06-07 | 1987-08-13 | Westfalia Separator Ag | Kontinuierlich arbeitende Schleudertrommel |
CA2059208C (fr) * | 1992-01-13 | 1998-08-04 | Steven A. Mcalister | Centrifugeuse a decharge continue |
US5338284A (en) * | 1992-07-30 | 1994-08-16 | Benjamin Knelson | Centrifugal separator with substantially continuous discharge of fines |
US5586965A (en) * | 1995-05-11 | 1996-12-24 | Knelson; Benjamin V. | Centrifugal separator with conical bowl section and axially spaced recesses |
US5601523A (en) * | 1995-07-13 | 1997-02-11 | Knelson; Benjamin V. | Method of separating intermixed materials of different specific gravity with substantially intermixed discharge of fines |
US5601524A (en) * | 1995-08-04 | 1997-02-11 | Knelson; Benjamin | Method of separating intermixed materials of different specific gravity with substantially intermixed discharge of fines |
CA2238897C (fr) * | 1998-05-26 | 2004-05-04 | Steven A. Mcalister | Valve regulatrice de debit pour concentrateur centrifuge a decharge continue |
US6149572A (en) * | 1998-07-22 | 2000-11-21 | Knelson; Benjamin | Continuous centrifugal separator of heavier particulate materials from light particulate materials in a slurry |
DE20219551U1 (de) * | 2002-12-16 | 2004-04-29 | Westfalia Separator Ag | Zentrifuge, insbesondere Separator, mit Feststoff-Austrittsdüsen |
US6962560B2 (en) * | 2003-07-31 | 2005-11-08 | Knelson Patents Inc. | Continuous centrifugal separation of slurry using balls contained in a recess of a bowl |
CN2715848Y (zh) * | 2004-04-27 | 2005-08-10 | 洪光成 | 一种卧式离心机 |
CN2799080Y (zh) * | 2005-06-16 | 2006-07-26 | 洪光成 | 一种卧式离心机 |
DE102006053491A1 (de) * | 2006-11-14 | 2008-05-15 | Westfalia Separator Ag | Zentrifuge, insbesondere Separator, mit Feststoff-Austrittsdüsen |
-
2006
- 2006-11-14 DE DE102006053491A patent/DE102006053491A1/de not_active Withdrawn
-
2007
- 2007-11-08 CA CA2670868A patent/CA2670868C/fr active Active
- 2007-11-08 WO PCT/EP2007/062029 patent/WO2008058883A1/fr active Application Filing
- 2007-11-08 EP EP07822335A patent/EP2091657B1/fr active Active
- 2007-11-08 DK DK07822335.1T patent/DK2091657T3/da active
- 2007-11-08 AT AT07822335T patent/ATE479503T1/de active
- 2007-11-08 DE DE502007004957T patent/DE502007004957D1/de active Active
- 2007-11-08 US US12/514,690 patent/US8419607B2/en active Active
- 2007-11-08 CN CN2007800480399A patent/CN101605609B/zh active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022263183A1 (fr) | 2021-06-17 | 2022-12-22 | Gea Westfalia Separator Group Gmbh | Tambour centrifuge d'un séparateur à buses et séparateur à buses |
DE102021115753A1 (de) | 2021-06-17 | 2022-12-22 | Gea Westfalia Separator Group Gmbh | Zentrifugentrommel eines Düsenseparators und Düsenseparator |
Also Published As
Publication number | Publication date |
---|---|
WO2008058883A1 (fr) | 2008-05-22 |
EP2091657A1 (fr) | 2009-08-26 |
US8419607B2 (en) | 2013-04-16 |
DK2091657T3 (da) | 2010-12-13 |
DE102006053491A1 (de) | 2008-05-15 |
CA2670868A1 (fr) | 2008-05-22 |
CN101605609B (zh) | 2012-11-14 |
CA2670868C (fr) | 2015-04-07 |
US20100062923A1 (en) | 2010-03-11 |
CN101605609A (zh) | 2009-12-16 |
ATE479503T1 (de) | 2010-09-15 |
DE502007004957D1 (de) | 2010-10-14 |
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