EP1068016B1 - Rotor de separateur centrifuge - Google Patents

Rotor de separateur centrifuge Download PDF

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Publication number
EP1068016B1
EP1068016B1 EP99918411A EP99918411A EP1068016B1 EP 1068016 B1 EP1068016 B1 EP 1068016B1 EP 99918411 A EP99918411 A EP 99918411A EP 99918411 A EP99918411 A EP 99918411A EP 1068016 B1 EP1068016 B1 EP 1068016B1
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EP
European Patent Office
Prior art keywords
rotor
separation
casing
separation discs
chamber
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.)
Expired - Lifetime
Application number
EP99918411A
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German (de)
English (en)
Other versions
EP1068016A1 (fr
Inventor
Ingvar HÄLLGREN
Thomas Davidsson
Leif Larsson
Hans Moberg
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.)
Alfa Laval AB
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Alfa Laval AB
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Filing date
Publication date
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Publication of EP1068016A1 publication Critical patent/EP1068016A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
    • B04B9/06—Fluid drive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B5/00—Other centrifuges
    • B04B5/005—Centrifugal separators or filters for fluid circulation systems, e.g. for lubricant oil circulation systems
    • 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
    • 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

Definitions

  • the present invention relates to centrifugal separators intended for freeing a liquid from particles suspended therein and having a larger density than the liquid. More precisely the invention concerns a rotor for a centrifugal separator of this kind, which is rotatable around its centre axis and includes a casing having two axially separated end walls and a surrounding wall situated therebetween and surrounding the centre axis; an inlet member delimiting an inlet channel centrally in the casing; a separation means mounted in the casing; and at least one outlet member situated in the area of one of the end walls, spaced from the centre axis and delimiting an outlet channel, which is directed in a way such that liquid flowing out therethrough accomplishes a reaction force on the rotor in its circumferential direction.
  • Rotors of this kind formed for reaction drive by means of an overpressure of the liquid to be cleaned, are known since long. As a rule they have been used for cleaning of relative small liquid flows and have been relatively small and light.
  • inserts have been suggested in the form of filters of different kinds.
  • GB 1 089 355 and GB 1 595 816 show examples of such filter inserts.
  • different kinds of separation inserts have been suggested which are formed such that they shorten the sedimentation distance for particles, which are to be separated within the rotor from liquid supplied thereto.
  • GB 729 169 shows a separation insert in the form of a helical wall, which delimits a helical flow path within the rotor for the liquid to be cleaned.
  • US 5,637,217 shows a separation insert having conical separation discs.
  • US 2,067,273 shows a further construction of a centrifugal rotor of the initially defined kind.
  • a separation means including a lot of separation discs, which are arranged within the casing between the centre axis and the surrounding wall of the casing and distributed around the centre axis, so that they form a lot of axially extending separation channels.
  • Each separation disc extends both axially and in a direction from the centre axis towards the surrounding wall of the casing from a radially inner edge to a radially outer edge, forming an angle with imaginary radii extending from the centre axis to the surrounding wall.
  • the object of the present invention is to provide a rotor of the initially defined kind, intended for reaction drive and provided with a particular separation means in the separation space of the rotor, which rotor can be given a better separation efficiency than previously known rotors of this kind.
  • a rotor of the initially defined kind is provided with a separation means of the kind included in a centrifugal rotor according to US 2,067,273 and, further, is provided with an inlet member delimiting an inlet channel centrally in the casing, which inlet channel communicates with the separation channels through a distribution chamber situated between a first one of the casing end walls and said separation means, said separation channels extending from the distribution chamber to an area close to the other end wall of the casing.
  • a rotor of this kind is further characterized in
  • a separation means of the kind suggested according to the invention and, per se, previously known in other kinds of centrifugal separators creates a surprisingly small through-flow resistance for the liquid to be cleaned, particularly if the liquid has a low viscosity.
  • a separation efficiency there can be achieved in the afore-mentioned separation channels a separation efficiency, which is as good as the one obtained in the spaces between conical separation discs.
  • centrifugal separators of the kind here in question it is important that a part as large as possible of the overpressure of the liquid supplied to the rotor for being cleaned is utilized for the driving of the centrifugal rotor.
  • a separation means in the rotor of the kind suggested according to the invention a larger part of the overpressure of the liquid to be cleaned can be used for the driving of the centrifugal separator than by use of technique according to, for instance, the afore-mentioned US 5,637,217 .
  • the centrifugal rotor according to the invention may be given a higher rotational speed and, thereby, a better separation efficiency than said previously known centrifugal rotor according to US 5,637,217 .
  • the centrifugal rotor according to the invention may be given a better separation efficiency. This depends on the circumstance that the known centrifugal rotor has a less effective driving means than the centrifugal rotor according to the invention.
  • the outlet nozzles for the reaction drive of the known centrifugal rotor are situated at a very small radius. Furthermore, the outlet channels of these nozzles open into liquid which is subjected to a certain overpressure.
  • FIG. 1 shows a section through the centrifugal rotor, taken along a line I-I in figure 2, and figure 2 shows the centrifugal rotor in figure 1 .
  • FIG 3-5 show a second embodiment of the centrifugal rotor according to the invention.
  • figure 3 shows a section similar to that of figure 1 .
  • Figure 4 is a mixture of a view and a section along the line A-A in figure 3 and shows the radial extension of certain wings in the upper part of the centrifugal rotor.
  • Figure 5 illustrates parts of the centrifugal rotor, part of its surrounding casing being removed.
  • the rotor in figures 1 and 2 includes a circular base plate 1, which has a central opening 2 and centrally supports a tubular column 3.
  • the interior of the column 3 forms a channel 4, which communicates with the central opening 2 of the base plate.
  • An annular cap 5 is placed around the column 3 and is kept fastened thereto and to the base plate 1 by means of a nut 6.
  • the cap 5 and the base plate 1 form a casing around a separation chamber 7 in the rotor.
  • the base plate 1 forms a first end wall
  • the cap 5 forms a second end wall 8 and a surrounding wall 9.
  • the surrounding wall 9 extends between the end walls 1 and 8 concentrically around the tubular column 3.
  • the rotor is rotatable around a centre axis 10 and for this purpose the central column 3 supports bearing members 3a and 3b at its respective ends.
  • the rotor has a separation means comprising a large number of separation discs 11 evenly distributed around the rotor centre axis 10.
  • Each one of the separation discs extends both arcuately in a direction from the centre axis 10 towards the surrounding wall 9, as can be seen from figure 2 , and axially between flow distributing and liquid entraining upper radial wings 12 and lower arcuately extending wings 13, as can be seen from figure 1 .
  • the separation discs 11 form between themselves thin separation channels, which have the same extension as the separation discs. In figure 2 part of the separation discs have been left out so that some of the lower arcuately extending wings 13 can be seen.
  • the separation discs 11 are supported, like the wings 12 and 13, by a central supporter comprising a sleeve 14, which surrounds and is guided by the central column 3.
  • the sleeve 14 is formed in one piece with a lower annular supporting member 15, which extends by an axially upwardly directed annular fastening flange into recesses intended therefor in the lower edge portions of the separation discs 11.
  • Correspondingly formed recesses in the upper edge portions of the separation discs form an annular upwardly open groove for an axially downwardly directed annular fastening flange of an upper annular supporting member 16.
  • the supporting members 15 and 16 can be axially separated from each other and from the separation discs 11 by the sleeve 4 being divided at 17 ( fig. 1 ).
  • the radially outer parts of the separation discs 11 are kept in place relative to each other by means of three rings 18, which at different axial levels surround all of the separation discs. For reasons evident from the following the uppermost of these rings 18 fills the whole interspace between the separation discs 11 and the surrounding wall 9 of the casing.
  • the separation discs 11 are kept at a certain distance from each other by means of spacing members 19 formed in one piece with the separation discs and distributed across their surfaces in some suitable manner.
  • annular partition is adapted to extend from the surrounding wall 9 of the casing radially inwardly to the area of the radially innermost parts of the separation discs 11.
  • the partition has a central plane portion 20 situated axially opposite to the separation discs 11; a short cylindrical intermediate portion 21 surrounding the wings 13; and radially outermost a further plane portion 22, which fills the interspace between the surrounding wall 9 of the casing and the radially outer lowermost parts of the separation discs 11.
  • a liquid to be cleaned in the rotor is to enter by an overpressure into the channel 4 through the opening 2 in the base plate 1.
  • the liquid may enter the channel 4 from the opposite direction.
  • From the channel 4 liquid is to be conducted through openings 23 in the column 3 into a distribution chamber 24, which is formed in the upper part of the casing 5 and in which the upper radial wings 12 are situated.
  • the liquid shall flow axially through the separation channels formed between the separation discs 11.
  • particles suspended in the liquid and being heavier than the liquid are to be separated, and liquid is to flow furtheron downwards to a collecting chamber 25, in which the arcuately extending lower wings 13 are situated.
  • the wings 13 have an arcuate extension opposite to that of the separation discs 11.
  • the wings 13 may give axial support to a larger number of separation discs than if they extended only radially and, still, function as members for rotational entrainment of liquid situated in the collecting chamber 25.
  • the uppermost ring 18 prevents an axial liquid flow radially outside the separation discs 11.
  • the base plate 1 is provided with two depressions, which form two outlet chambers 26 below the partition portion 20. These outlet chambers 26 communicate with the afore-mentioned collecting chamber 25 at the radially inner edge of the partition portion 20.
  • the base plate 1 is provided with a nozzle having an outlet channel 27.
  • the outlet channel 27 opens in a liquid free space, which is at atmospheric pressure, outside the rotor at a level radially outside the inner edge of the partition portion 20.
  • the separation discs 11 as well as the members 14-16 keeping them in place in the rotor may, preferably, be made of plastics. If desired, the separation discs may be formed in a way such that they extend through substantially the whole of the separation chamber of the rotor.
  • An advantage with separation discs of the kind described here, in comparison with conical separation discs, is that all of the discs may be formed identically alike and, in spite of this, be given a form such that they extend in all desired parts of the separation chamber.
  • a package of such separation discs thus, is not bound to a certain geometrical shape in the same way as is a stack of identically formed conical separation discs, but may be adapted to a desired shape of the rotor. Therefore, an available space within the rotor may be utilized to its maximum for the centrifugal separation in question.
  • a rotor of the kind here described with an insert, which collects separated particles and which can be removed from the rotor during an interruption of the operation and be disposed of together with the particles, whereafter a new insert of this kind can be mounted in the rotor.
  • An insert of this kind could comprise the above described partition 20-22 and a cylindrical container formed in one piece therewith and adapted to form a removable liner within the described cap 5.
  • a liner of this kind could extend from the partition 20-22 up to the uppermost ring 18 surrounding the separation discs.
  • FIGS 3-5 show a somewhat modified centrifugal rotor according to the invention.
  • the same reference numerals have been used in the figures 3-5 as in figures 1 and 2 for corresponding details.
  • the separation discs 11 are mounted in a supporter comprising a lower supporting member 15a and an upper supporting member 16a.
  • the supporting members 15a and 16a are removably connected with each other by means of a snap lock device 17a and are guided by the central column 3.
  • the snap lock device 17a is placed radially inside the separation discs 11 about half-way between their axial ends, whereby it is relatively difficult to reach and, thus, cannot be opened unintentionally. Thereby, the separation discs cannot be freed unintentionally from the supporting members 15 and 16a.
  • the lower supporting member 15a is formed in one piece with the partition 20 and with the wings 13 in the collecting chamber 25.
  • the upper supporting member 16a is formed in one piece with the wings 12 in the distribution chamber 24.
  • the wings 12 are of two different kinds. Two wings 12a, which are situated diametrically on opposite sides of the column 3, extend substantially all the way into the column 3 in the plane wherein the inlet openings 23 of the column 3 are situated. The other wings 12b do not extend, in this plane, into the column 3 but leaves between themselves and the column 3 free spaces 28.
  • the column 3 has two inlet openings 23 for liquid to be treated in the rotor. Each one of these openings opens in an area situated immediately in front of one of the wings 12a extending all the way into the column 3, seen in the rotational direction of the rotor. This rotational direction is shown by an arrow w in figure 4 .
  • liquid entering the rotor through an opening 23 will be entrained in the rotor rotation by the adjacent wing 12a and, thus, be prevented from sliding relative to the rotor in a direction opposite to its rotational direction.
  • the described arrangement of different kinds of wings 12a and 12b, respectively, and the particular location of the inlet openings 23 in relation to the wings is an advantageous alternative to having a large number of relatively small inlet openings in the column 3, e.g. one inlet opening in each interspace between adjacent wings, for accomplishment of an even distribution of liquid in the rotor separation chamber.
  • the above described arrangement may be used as soon as the number of wings 12 exceeds the number of inlet openings 23.
  • the uppermost ring 18a which surrounds the separation discs, does not extend all the way out to the casing 5 but leaves a small space 29 between itself and the casing.
  • This space is dimensioned such that it allows passage of solids, which are separated from the incoming liquid already in the distribution chamber 24 and, thus, deposit on the inside of the casing 5 already in the area of the ring 18a. After a short time of rotor operation a layer of particles having deposited on the inside of the casing will at least partly fill the space 29.
  • the casing 5 is also slightly conical, so that its diameter increases in the axial direction away from the distribution chamber 24, which contributes to avoiding complete clogging of the space 29.

Landscapes

  • Centrifugal Separators (AREA)
  • Fertilizing (AREA)

Claims (15)

  1. Un rotor pour un séparateur centrifuge pour séparer un liquide de particules suspendues dans celui-ci et possédant une densité supérieure à celle du liquide, le rotor étant rotatif autour de son axe central (10) et comprenant :
    - un carter comprenant deux parois d'extrémité séparées de façon axiale (1, 8) et une paroi périphérique (9) située entre celles-ci et entourant l'axe central (10),
    - un moyen de séparation monté dans le carter et comprenant un lot de disques de séparation (11), qui sont agencés dans le carter entre l'axe central (10) et la paroi périphérique (9) du carter et distribués autour de l'axe central (10), de sorte qu'ils forment un lot de canaux de séparation s'étendant de façon axiale, chaque disque de séparation (11) s'étendant de façon axiale et dans une direction à partir de l'axe central (10) vers la paroi périphérique (9) du carter d'une partie la plus intérieure de façon radiale à une partie la plus extérieure de façon radiale du disque de séparation, formant un angle avec des rayons imaginaires s'étendant de l'axe central (10) à la paroi périphérique (9),
    - un élément d'entrée (3) délimitant un canal d'entrée (4) de façon centrale dans le carter, lequel canal d'entrée (4) communique avec les canaux de séparation à travers une chambre de distribution (24) située entre une première (8) des parois d'extrémité du carter et ledit moyen de séparation, les canaux de séparation s'étendant de la chambre de distribution (24) à une zone dans le voisinage de l'autre paroi d'extrémité (1) du carter, et
    - au moins un élément de sortie délimitant un canal de sortie (27), qui est dirigé de manière telle que le liquide sortant à travers celui-ci accomplisse une force de réaction sur le rotor dans sa direction circonférentielle et fasse en sorte que le rotor tourne dans une direction de rotation prédéterminée, caractérisé en ce
    - que les disques de séparation (11) laissent un espace de boues pour l'accumulation de particules séparées entre leurs bords extérieurs de façon radiale et la paroi périphérique (9) du carter,
    - qu'une cloison (20-22) est agencée entre les disques de séparation (11) et ladite autre paroi d'extrémité (1) du carter de sorte que, sur son premier côté, elle délimite une chambre de collection (25), sur laquelle donnent les canaux de séparation, et, sur son autre côté, elle délimite une chambre de sortie (26),
    - que la chambre de collection (25) communique avec la chambre de sortie (26) à un niveau radial dans le rotor correspondant sensiblement au niveau radial des parties les plus intérieures de façon radiale des disques de séparation, et
    - que le canal de sortie (27) communique avec la chambre de sortie (26) et s'étend jusqu'à l'extérieur du rotor, où il donne sur un espace dépourvu de liquide à un niveau radial à l'extérieur dudit niveau, auquel la chambre de collection (25) et la chambre de sortie (26) communiquent l'une avec l'autre.
  2. Un rotor selon la revendication 1, dans lequel chaque disque de séparation (11) s'étend de façon arquée dans une direction à partir de l'axe central (10) vers la paroi périphérique (9).
  3. Un rotor selon la revendication 1 ou 2, dans lequel la cloison (20-22) supporte des éléments d'entraînement (13) sur son côté faisant face à la chambre de collection (25).
  4. Un rotor selon la revendication 3, dans lequel les éléments d'entraînement (13) sont oblongs, par exemple présentent la forme d'ailes ou analogues, et forment un angle avec les disques de séparation (11), vus dans un plan perpendiculaire à l'axe central de rotor (10).
  5. Un rotor selon la revendication 3 ou 4, dans lequel les éléments d'entraînement (13) supportent les disques de séparation (11).
  6. Un rotor selon la revendication 1, dans lequel la chambre de distribution (24) contient des éléments de distribution, qui sont adaptés pour l'entraînement dans le rotor rotation de liquide s'écoulant du canal d'entrée (4) aux canaux de séparation, et qui sont oblongs, par exemple sont sous forme d'ailes (12) ou analogues, et forment un angle avec les disques de séparation (11), vus dans un plan perpendiculaire au rotor axe central (10).
  7. Un rotor selon la revendication 6, dans lequel lesdits éléments de distribution sont situés de façon partiellement radiale à l'intérieur des disques de séparation (11).
  8. Un rotor selon une quelconque des revendications 6 et 7, dans lequel le canal d'entrée (4) donne sur le rotor de façon radiale à l'intérieur des disques de séparation (11) entre leurs extrémités séparées de façon axiale.
  9. Un rotor selon une quelconque des revendications précédentes, dans lequel les disques de séparation (11) sont entourés par un ou plusieurs anneaux de retenue.
  10. Un rotor selon une quelconque des revendications précédentes, dans lequel un élément d'entrave à l'écoulement ou anti-écoulement (18) est agencé entre les disques de séparation (11) et la paroi périphérique (9) du carter dans une zone entre la chambre de distribution (24) et ledit espace de boues.
  11. Un rotor selon une quelconque des revendications précédentes, dans lequel les disques de séparation (11) sont montés entre deux éléments de support (15, 16; 15a, 16a), qui entrent en prise de façon libérable avec les disques de séparation (11) à leurs extrémités séparées de façon axiale et sont reliés l'un à l'autre de façon radiale à l'intérieur des disques de séparation.
  12. Un rotor selon la revendication 11, dans lequel les éléments de support (15a, 16a) sont reliés l'un à l'autre au moyen d'un dispositif de verrouillage par encliquetage (17a).
  13. Un rotor selon la revendication 11 ou 12, dans lequel les disques de séparation (11) possèdent des bords dirigés vers les parois d'extrémité respectives (1, 8) du carter et ces bords possèdent des évidements, qui forment ensemble des rainures annulaires s'étendant autour de l'axe central de rotor (10), lesdits éléments de support (15, 16 ; 15a, 16a) s'étendant dans lesdites rainures pour la retenue des disques de séparation (11).
  14. Un rotor selon une quelconque des revendications 11 à 13, dans lequel lesdits éléments de support (15, 16 ; 15a, 16a) entourent et sont guidés par une colonne (3) s'étendant de façon axiale de façon centrale dans le carter (5).
  15. Un rotor selon une quelconque des revendications précédentes, dans lequel
    - ledit canal d'entrée central (4) communique avec la chambre de distribution (24) par l'intermédiaire d'un nombre d'ouvertures d'entrée (23) dans l'élément d'entrée (3),
    - la chambre de distribution (24) contient un nombre d'ailes (12) distribuées régulièrement autour de l'élément d'entrée (3) et s'étendant dans une direction à partir de celui-ci à travers la chambre de distribution vers ledit carter, le nombre d'ailes étant supérieur au nombre d'ouvertures d'entrée (23),
    - certaines ailes (12a), correspondant au nombre d'ouvertures d'entrée (23), s'étendent sensiblement complètement jusqu'à l'élément d'entrée (3) dans la zone des ouvertures d'entrée (23), alors que les autres ailes (12b) laissent un espace (28) entre elles-mêmes et l'élément d'entrée (3) dans la même zone, et
    - chaque ouverture d'entrée (23), vue dans la direction de rotation du rotor, est située devant une aile (12a) du type s'étendant complètement dans l'élément d'entrée (3) et derrière au moins une aile (12b) du type laissant un espace (28) entre elle-même et l'élément d'entrée (3).
EP99918411A 1998-04-02 1999-03-30 Rotor de separateur centrifuge Expired - Lifetime EP1068016B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9801183 1998-04-02
SE9801183A SE9801183D0 (sv) 1998-04-02 1998-04-02 Rotor för centrifugalseparator
PCT/SE1999/000515 WO1999051353A1 (fr) 1998-04-02 1999-03-30 Rotor de separateur centrifuge

Publications (2)

Publication Number Publication Date
EP1068016A1 EP1068016A1 (fr) 2001-01-17
EP1068016B1 true EP1068016B1 (fr) 2009-08-19

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EP (1) EP1068016B1 (fr)
JP (1) JP3431598B2 (fr)
KR (1) KR100577663B1 (fr)
CN (1) CN1104959C (fr)
AT (1) ATE439913T1 (fr)
AU (1) AU3634199A (fr)
BR (1) BR9909347A (fr)
DE (1) DE69941290D1 (fr)
NO (1) NO20004894L (fr)
SE (1) SE9801183D0 (fr)
WO (1) WO1999051353A1 (fr)

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US6602180B2 (en) * 2000-04-04 2003-08-05 Fleetguard, Inc. Self-driven centrifuge with vane module
US6652439B2 (en) 2000-04-04 2003-11-25 Fleetguard, Inc. Disposable rotor shell with integral molded spiral vanes
US6551230B2 (en) * 2000-04-04 2003-04-22 Fleetguard, Inc. Molded spiral vane and linear component for a centrifuge
US6572523B2 (en) 2001-04-05 2003-06-03 Fleetguard, Inc. Centrifuge rotation indicator
SE520453C2 (sv) * 2001-11-01 2003-07-15 Alfa Laval Corp Ab En apparat för samtidig rening av en vätska och en gas
SE520952C2 (sv) * 2002-01-25 2003-09-16 Alfa Laval Corp Ab En apparat för samtidig rening av en vätska och en gas
CN100360244C (zh) * 2004-07-27 2008-01-09 潘雨力 一种离心分离器
US7566294B2 (en) * 2005-03-11 2009-07-28 Cummins Filtration Ip Inc. Spiral vane insert for a centrifuge
DE202005007162U1 (de) * 2005-05-02 2006-09-21 Hengst Gmbh & Co.Kg Rotor für eine Zentrifuge
KR101430151B1 (ko) 2012-05-30 2014-08-18 (주)한영기공 액체 여과를 위한 원심 분리기의 로터 커버
KR101522540B1 (ko) * 2013-04-17 2015-05-27 (주)크린피아 원심분리기를 이용한 슬러지 자동배출장치
EP3112032B1 (fr) * 2014-02-25 2020-05-27 Tokyo Roki Co., Ltd. Séparateur d'huile
KR101480923B1 (ko) * 2014-04-18 2015-01-13 신흥정공(주) 하이브리드형 원심분리기
KR101519058B1 (ko) * 2014-11-18 2015-05-13 신흥정공(주) 원심필터용 커버
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RU2538165C1 (ru) * 2013-08-27 2015-01-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Азово-Черноморская государственная агроинженерная академия" (ФГБОУ ВПО АЧГАА) Сепаратор-очиститель молока

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JP2002510547A (ja) 2002-04-09
CN1304337A (zh) 2001-07-18
CN1104959C (zh) 2003-04-09
KR100577663B1 (ko) 2006-05-23
BR9909347A (pt) 2000-12-12
AU3634199A (en) 1999-10-25
EP1068016A1 (fr) 2001-01-17
WO1999051353A1 (fr) 1999-10-14
SE9801183D0 (sv) 1998-04-02
NO20004894D0 (no) 2000-09-29
KR20010052233A (ko) 2001-06-25
NO20004894L (no) 2000-11-16
ATE439913T1 (de) 2009-09-15
JP3431598B2 (ja) 2003-07-28
DE69941290D1 (de) 2009-10-01

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