EP1181103B1 - Centrifugeuse - Google Patents

Centrifugeuse Download PDF

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Publication number
EP1181103B1
EP1181103B1 EP00912324A EP00912324A EP1181103B1 EP 1181103 B1 EP1181103 B1 EP 1181103B1 EP 00912324 A EP00912324 A EP 00912324A EP 00912324 A EP00912324 A EP 00912324A EP 1181103 B1 EP1181103 B1 EP 1181103B1
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EP
European Patent Office
Prior art keywords
drum
helix
centrifuge
accordance
flank
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
EP00912324A
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German (de)
English (en)
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EP1181103A1 (fr
Inventor
Werner Stahl
Harald Reinach
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Ferrum AG
Original Assignee
Ferrum AG
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Filing date
Publication date
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Priority to EP00912324A priority Critical patent/EP1181103B1/fr
Publication of EP1181103A1 publication Critical patent/EP1181103A1/fr
Application granted granted Critical
Publication of EP1181103B1 publication Critical patent/EP1181103B1/fr
Anticipated expiration legal-status Critical
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B3/00—Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneous sifting or filtering
    • B04B3/04—Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneous sifting or filtering discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B3/00—Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneous sifting or filtering
    • B04B3/02—Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneous sifting or filtering discharging solid particles from the bowl by means coaxial with the bowl axis and moving to and fro, i.e. push-type centrifuges

Definitions

  • the invention relates to a centrifuge with a rotating drum and with an ejection element rotating with the drum to open one cakes of solids separated from the inside of the drum in axial Towards the drum.
  • the filter cake one A sedimentation or filtration centrifuge can be a mayonnaise-like, a rheological pasteuse or a mass in the form of a saturated or unsaturated aggregate with a Mohr fracture limit curve.
  • inverting filter centrifuge from Heinkel GmbH, D-74303 Bietigheim-Bissingen, Germany, with which batch Filling, washing, dry spinning and emptying in one stroke over the entire length of the drum.
  • inverting filter uses a movable cloth, which is not without a risk, that cloth rubbing gets into the product.
  • a quasi-continuously working Double-shear centrifuge is shown in the patent specification EP 0 635 309, in which an intermittent moving floor is arranged in a sieve drum and alternately a ring created in his "wake" Solid material moved axially outwards by a stroke length.
  • a disadvantage the pusher centrifuge is that the maximum occurring Thrust pressure that occurs over a saturated pile when fresh filter cake on the moving floor is largest.
  • a centrifuge according to the preamble of claim 1 is in the SU 1 011 270 A discloses.
  • the object of the present invention is to demonstrate centrifuges which are different products are customizable and different modes of operation allow.
  • This task is carried out with the marks of the independent Claim 1 solved by the ejection element in the form of an ejection surface has a helical spiral, and the spiral and drum are kinematically connected such that a reference point on the circumference of the Helix rotates relative to the drum in the form of a sawtooth line executes a first flank of the saw teeth with their slope approximates the pitch of the helix while a second flank the saw teeth corresponds to an approximately axial ejection movement.
  • This arrangement has the advantage of being small but repetitive Stroke in the axial direction because of the axial expansion of the helix over the whole length of the drum a safe, from the product characteristics largely independent ejection of the solid cake takes place.
  • there are structural advantages because only a small stroke for the Ejection movement in the axial direction is necessary. Because the Reverse movement of the helix by combining rotation and stroke relative to the drum in their own track, the Velocities when passing through the first and second flanks, i.e. the Reverse and feed movement can be selected is a simple one Adaptation to different properties of the solid cake possible.
  • the relative movement on the sawtooth line is hydraulic, for example is controlled and a reversal of the movements on the sawtooth line is possible, then multiple process stages can also be carried out in batches run through. For example, initially viewed in the axial direction a suspension should be poured into the center of the drum, initially is centrifuged to release liquid, then by "Running backwards on the sawtooth line" in a washing area of the Drum to be brought and after washing and compacting the Solids by "running forward on the sawtooth line” over the Filling position to be transported away in the discharge direction.
  • On batch operation also allows a superimposed drying like for example, steam pressure or compressed air dehumidification.
  • Simple controls for such a centrifuge with a spiral can also do so look like a continuous, slow rotation between Spiral and drum is generated.
  • the axial movement of the helix is included generated a hydraulic piston that corresponds to the Tangential speed of the helix a speed component in has an axial direction to a suitably composed Speed in the direction of the first edge of a given one To form sawtooth.
  • Speed in the direction of the first edge of a given one To form sawtooth.
  • the figures show a centrifuge with a rotating drum 1 and with one with the drum rotating ejection element 2 to one on the Inside the drum 1 set cake 3 in the axial direction 4 bump.
  • the ejection element 2 has a helix 5 which overlaps the length of the drum extends.
  • Helix 5 and drum 1 are of this type kinematically connected that a reference point A on the circumference of the helix a rotational movement in the form of a sawtooth line 6, 8 relative to the drum executes, wherein a first flank 7 of the saw teeth 8 with its slope ⁇ approximately corresponds to the pitch ⁇ of the helix, while a second Flank 9 of the saw teeth 8 of an approximately axial ejection movement equivalent.
  • a pusher centrifuge is shown, the ejection element 2 in shape a helix 5 bears against the inside of a cylindrical drum 1.
  • the starting product is in the form of a suspension via a feed pipe 32 is introduced into the rotating drum 1 and via the hollow shaft 20 executed ejection element via openings 22 in a filling zone 21 dispensed the drum and centrifuged.
  • the drum has one sieve-shaped outer surface on which the solid content becomes a Cake 3 settles.
  • the helix rotates and rotates relative to the drum Stroke movement, such that a point A on the circumference of the helix one Sawtooth line 6 describes (see Fig. 10).
  • a first edge 7 of a Sawtooth 8 is achieved in that the reverse stroke and the rotation are linked together relative to the drum in such a way that the helix in moved backwards in their own track. Maybe against the back offset cake 3 is cut by the helix 5.
  • Rotational movement between coil 5 and drum 1 are interrupted and be waited until the resulting cake 3 the conditions for an ejection stroke in the axial direction is sufficient.
  • the stroke of the helix 5 in axial direction takes only a fraction of their total axial direction Length, since it extends until it exits the drum 1 in order to to ensure the axial transport of the cake.
  • a double helix 52 is in the fill zone along the length of the Axialhubes except for a small sector 53 at its beginning by one Gap 54 of a few millimeters, for example from 5 to 20 mm set back from the drum shell 16.
  • the cake 3 gradually becomes the exit of the open drum 1 pushed and with each step is a ring piece of the cake spun off.
  • a housing 33 captures the in two separate zones thrown off liquid and the thrown off solid parts, which emerge separately from a drain 35 and a discharge opening 36.
  • Drum 1 and helix 5 can be rotated relative to one another in a bearing block 31 stored and are via a main drive motor 28 by means of belt drive 29 driven.
  • a base plate 30, which is applied to a foundation 34 supports bearing block 31, housing 33 and a sawtooth converter 41, which is the relative sawtooth movement between helix and drum generated.
  • a controller 27 coordinates the operating data of the system and controls the sawtooth converter 41.
  • the speed at which the flanks 7, 9 of a sawtooth can be traversed is adjustable.
  • the reversal points for the axial stroke of any length in the relative Rotation, i.e. Drum and helix turn the same quickly to match the timing of the ejection movement second flank 9 of a sawtooth the most favorable moment in the process adapt.
  • drum 1 and helix 5 are bilateral through bearings 37 supported, a shaft stub of the helix as a feed pipe 32 is executed.
  • the actual coil 5 is supported on a hollow shaft 20, to the product through openings 22 into the actual filling zone 21 bring.
  • the inside of the cylindrical drum is also included a finer sieve 17 occupied.
  • the drum 1 is in two parts composed and has ejection window 40 on the ejection side, through the solid parts into the housing.
  • the spiral itself is executed in two courses.
  • the sieve 17 does not extend over the entire length 13 of the helix 5.
  • drain openings 15 are attached to those with adjustable covers the level for the liquid level can be set in the rotating drum.
  • the helix 1 is also designed as a hollow shaft 20.
  • the actual coil is on both sides through side walls 14 to the drum 1 sealed.
  • a gap is created on the outlet side which the solids are thrown off, i.e. a point A on the circumference the spiral moves with the cake on the second flank 9 one Sawtooth in the direction of ejection and then to close together with the moving side wall 14 on the first flank 7 of the Sawtooth back to a starting position.
  • With relative thin-bodied products can also close relatively quickly be made and a longer dwell time in the rear Initial positions are provided until the consistency for the next small ejection movement is big enough.
  • the advantage here is that there is only a short one per butting surface Cake lengths must be shifted in the axial direction, i.e. the The accumulation of the shear forces in the cake becomes smaller.
  • This arrangement compared to a batch filter centrifuge the advantage that continuous supply of the product is possible and that the Dimensions are smaller because of the small axial movements.
  • the Close the drum 1 with the side wall 14 on the ejection side also has the advantage that a coaxial in the feed pipe 32 attached pipe 63 for increasing the pressure in the drum compressed air can be introduced.
  • the helix 5 is designed as a band screw 19, which is attached to the hollow shaft 20 via supports 42.
  • the spiral is two-course, i.e. two ribbon screws are offset by 180 ° to each other arranged.
  • the ribbon screw generally leaves a better distribution of the Suspension too.
  • the inside of the drum 1 is stepped.
  • the bigger one Diameter is on the discharge side.
  • the helix 5 makes in one point A radially jump outwards.
  • the rear starting position for a Ejection on the second flank 9 of a sawtooth is determined in such a way that point A cannot move into the shoulder at the jump in diameter.
  • the filter cake moves over the Jump in diameter and is broken open again. It can be beneficial be, the ejection movement 9 so slow for certain products to set that a shift occurs at the jump in diameter.
  • the helix is turned back on the first flank 7 of the sawtooth in the original axial starting position while tangential certain angle of rotation was traversed.
  • the helix 5 consists of a cutting edge 43 which extends backwards into the Diameter jump of the drum cuts the layered cake.
  • the angle of rotation is determined by the choice of an appropriate axial stroke set so that it does not correspond to an integral fraction of 360 °, so as time progresses through all areas of the shoulder in drum 1 this cutting edge can be cut free once. The effect of the Cut to the back of the drum.
  • a conical closes for drum 1 and helix 5 Section 18 to a cylindrical part at the filling zone 21.
  • the ejection on the second flank 9 of a sawtooth increases the play of a point A in the conical section 18 of the Drum 1.
  • the one with the return angle of rotation reached is not an integer fraction of 360 °, so all Surfaces in the conical section once enjoy the little play come at the beginning of the ejection movement and therefore not permanent Deposits arise.
  • the drum 1 with its outer surface 16 is cylindrical and supported on both sides with bearings 37 and made of two bodies assembled to be able to insert the inner parts.
  • the Product feed (not shown here) is through a hollow Stub shaft of the helix 5.
  • Adjustable outflow openings 15 place it Level of liquid solid.
  • the outer surface 16 is only towards the exit Sieve 17 executed.
  • the radial height is reduced in this sieving area the helix with a cone as an enveloping surface.
  • the cake is through Centrifugal window 40 released on the exit side.
  • 10 to 13 are different types of sawtooth lines 6 shown, the shape of which depends on the type of drive for the relative movement, i.e. depends on the type of sawtooth converter.
  • the helix 5 is a double helix with axial holes 56 formed to form a filtering screw 57, which additionally axially emerging liquid collects and through the sieve 17 to the outside emits.
  • the filling zone with openings 22 is opposite to that Outlet openings 40 attached to the discharge side.
  • the Rotary piston 58 is driven with oil via supply lines 58a, 58b perform a relative rotational movement to the drum, which at Reverse rotation of the helix through the locked freewheel 59 on axis 5a the helix 5 is transmitted while resetting the rotary lobe 58 in its original position without turning the helix by releasing it of the freewheel 59 takes place.
  • the ejection piston 25 is via oil lines 25a, 25b controlled and concerned the axial adjustment between the helical axis 5a and Drum axis 1 a.
  • one Sawtooth can take a selectable pause in relative motion between coil 5 and drum 1 are switched on.
  • the second flank 9 of the sawtooth requires an incline corresponding to the helix.
  • This predetermined slope is generated by the controller by for example, a rotational speed for the rotary piston 58 is predetermined and an axial adjustment speed corresponding to the helix for the hydraulic piston 25 is predetermined.
  • the hydraulic adjustment elements 58, 25 are operated as an open control chain, in which the sensors 60, 61 only perform the function of limit switches, or as a control loop for them the sensors 60, 61 continuously send the actual position values to the control pass on.
  • the helical shaft 5a, 5b necessarily entrained with the rotary piston 58.
  • the helical shaft 5a is anchored along a stationary path hydraulic piston 25 moves axially back and forth.
  • the main drive for the Drum shaft 1a is provided as in Fig. 1.
  • the movement of the Drum shaft 1a is removed via a wheel set 48 and via a viscous clutch 46 and a second wheel set 47 on the turning / shaft 5a transfer.
  • the slip in the clutch is regulated so that both shafts 5a, 1a turn equally fast to take breaks for depositing the product and for rapid ejection on the second flank 9 of a sawtooth generate while turning backwards on the first flank 7 of Slip that can be measured via sensors 60a, 60b is changed such that the helix turns backwards in its own track.
  • the wheelsets 48, 47 must be graded so that the spiral shaft 5a when the Slip would turn faster than the drum shaft 1 a, otherwise none sufficient torque to support the relative rotation would arise in the viscous coupling 53.
  • the coupling in the coupling 53 can be made with an electrically polarizable liquid as they are known from electro-rheology and for example are sold by Bayer, Leverkusen.
  • the fact that the Wheelset 47 for helical shaft 5a has straight teeth, can be move them axially. The axial movement is detected by a sensor 61 monitored and in the controller 27 by comparison with a setpoint input 49 for rotation and axial movement with the measurements of the sensors 60a, 60b coordinates for control along a sawtooth line. That means the Controller 27 also includes a hydraulic part with that of hydraulic piston 25 is controlled.
  • the invention is not based on the previously listed embodiments of Spiral coils limited. So the used ones Helical spirals with interruptions to a To form "segmental screw" or along its length with different Sheet thickness must be executed. It is also possible to change the pitch of the snail easy to change in certain areas or using the snail To provide closing elements for drum sealing.

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  • Centrifugal Separators (AREA)

Abstract

L'invention concerne une centrifugeuse comprenant un tambour rotatif (1) et un élément éjecteur (2) entraîné en rotation par le tambour et destiné à éjecter dans le sens axial un tourteau (3) déposé sur la face interne du tambour (1). L'élément éjecteur (2) présente une vis sans fin (5) qui s'étend sur la longueur du tambour. La vis sans fin (5) et le tambour (1) sont cinématiquement reliés de telle façon qu'un point de référence (A) au début de l'hélice par rapport au tambour exécute un mouvement de rotation ayant la forme d'une ligne en dents de scie (6, 8). Un premier flanc (7) des dents de scie (8) a un pas (α) qui correspond approximativement au pas (β) de la vis sans fin tandis qu'un deuxième flanc (9) des dents de scie (8) correspond à un mouvement d'éjection approximativement axial.

Claims (19)

  1. Centrifugeuse avec un tambour rotatif (1) et avec un élément d'expulsion (2) solidaire en rotation avec le tambour pour expulser dans la direction axiale (4) du tambour un gâteau (3) de matières solides déposé sur la face intérieure du tambour, l'élément d'expulsion (2) présentant une surface d'expulsion sous forme d'une hélice hélicoïdale (5), caractérisée en ce que l'hélice (5) et le tambour (1) sont reliés de façon cinématique de telle sorte qu'un point de référence (A) sur la circonférence de l'hélice (5) exécute par rapport au tambour (1) un mouvement rotatif sous la forme d'une ligne en dents de scie (6, 8), un premier flanc (7) des dents de scie (8) correspondant par sa pente (α) approximativement à la pente (β) de l'hélice (5), tandis qu'un deuxième flanc (9) des dents de scie (8) correspond à un mouvement d'expulsion (10) approximativement axial.
  2. Centrifugeuse selon la revendication 1, caractérisée en ce que la pente (α) du premier flanc (7) correspond exactement à la pente (β) de l'hélice (5).
  3. Centrifugeuse selon la revendication 2, caractérisée en ce que la pente (α) du premier flanc (7) diffère de plus ou moins 20 % de la pente (β) de l'hélice hélicoïdale (5) pour creuser un fossé (11) dans le gâteau (3) qui se dépose lors du passage par le premier flanc (7).
  4. Centrifugeuse selon l'une quelconque des revendications 1 à 3, caractérisée en ce que la longueur axiale (12) des dents de scie (8) s'élève seulement à une fraction de la longueur axiale (13) de l'hélice hélicoïdale (5) .
  5. Centrifugeuse selon l'une quelconque des revendications 1 à 4, caractérisée en ce qu'au moins une paroi latérale (14) du tambour (1) présente des orifices d'écoulement (15) pour des constituants liquides.
  6. Centrifugeuse selon l'une quelconque des revendications 1 à 5, caractérisée en ce qu'au moins une partie de la surface d'enveloppe (16) du tambour (1) est réalisée comme un tamis (17).
  7. Centrifugeuse selon l'une quelconque des revendications 1 à 6, caractérisée en ce que l'hélice (5) est réalisée comme une hélice à plusieurs filets.
  8. Centrifugeuse selon l'une quelconque des revendications 1 à 7, caractérisée en ce que l'hélice (5) et le tambour (1) forment plusieurs graduations de différents diamètres.
  9. Centrifugeuse selon l'une quelconque des revendications 1 à 7, caractérisée en ce que le tambour (1) et l'hélice hélicoïdale (5) s'élargissent ou se rétrécissent de façon conique dans une même section axiale (18), la levée axiale étant dimensionnée de telle sorte que des sections opposées coniques peuvent tourner les unes par rapport aux autres.
  10. Centrifugeuse selon l'une quelconque des revendications 1 à 7, caractérisée en ce que l'hélice hélicoïdale (5) est réalisée comme une vis à courroie (19).
  11. Centrifugeuse selon l'une quelconque des revendications 1 à 7, caractérisée en ce que l'hélice hélicoïdale est réalisée comme une vis filtrante (57).
  12. Centrifugeuse selon l'une quelconque des revendications 1 à 8, caractérisée en ce que l'hélice hélicoïdale (5) est fixée à un arbre creux (20) qui présente au moins une zone de remplissage (21) avec des perçages (22) pour une suspension.
  13. Centrifugeuse selon la revendication 9, caractérisée en ce que l'arbre creux (20) présente au moins une autre zone (23, 24) avec des perçages (22) pour l'introduction de milieux, comme par exemple des liquides de rinçage ou autres réactifs.
  14. Centrifugeuse selon l'une quelconque des revendications 1 à 13, caractérisée en ce que le mouvement relatif entre l'hélice (5) et le tambour (1) peut être arrêté pendant une durée quelconque au moins au niveau d'un point d'inversion des dents de scie (8).
  15. Centrifugeuse selon l'une quelconque des revendications 1 à 14, caractérisée en ce que la vitesse pour le parcours du flanc (7, 9) d'une dent de scie (8) est réglable.
  16. Centrifugeuse selon l'une quelconque des revendications 1 à 12, caractérisée en ce que pour le réglage axial entre l'hélice (5) et le tambour (1), un piston hydraulique (25) est prévu et en ce qu'entre le tambour et l'hélice, un entraínement rotatif actionné de façon hydraulique (26) est prévu.
  17. Centrifugeuse selon l'une quelconque des revendications 1 à 14, caractérisée en ce que le mouvement rotatif relatif entre l'hélice (5) est le tambour s'effectue en continu pendant qu'une pente donnée des flancs d'une dent de scie est obtenue en commandant la vitesse d'un piston axial (25).
  18. Centrifugeuse selon l'une quelconque des revendications 1 à 17, caractérisée en ce que la commande de la centrifugeuse est conçue de telle sorte que la ligne en dents de scie peut être parcourue dans les deux sens.
  19. Procédé d'exploitation d'une centrifugeuse selon l'une quelconque des revendications 1 à 18 avec un tambour rotatif (1) et une hélice hélicoïdale (5) solidaire en rotation dans le tambour (1), l'hélice étant déplacée avec un point de référence (A) sur sa circonférence par rapport au tambour (1) avec un mouvement rotatif sous la forme d'une ligne en dents de scie (6, 8), un premier flanc (7) des dents de scie (8) correspondant par sa pente (α) approximativement à la pente (β) de l'hélice (5) tandis qu'un deuxième flanc (9) des dents de scie (8) correspond à un mouvement d'expulsion (10) approximativement axial.
EP00912324A 1999-05-27 2000-04-05 Centrifugeuse Expired - Lifetime EP1181103B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP00912324A EP1181103B1 (fr) 1999-05-27 2000-04-05 Centrifugeuse

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP99810460 1999-05-27
EP99810460A EP1057533A1 (fr) 1999-05-27 1999-05-27 Centrifugeuse
PCT/CH2000/000198 WO2000072974A1 (fr) 1999-05-27 2000-04-05 Centrifugeuse
EP00912324A EP1181103B1 (fr) 1999-05-27 2000-04-05 Centrifugeuse

Publications (2)

Publication Number Publication Date
EP1181103A1 EP1181103A1 (fr) 2002-02-27
EP1181103B1 true EP1181103B1 (fr) 2004-03-17

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP99810460A Withdrawn EP1057533A1 (fr) 1999-05-27 1999-05-27 Centrifugeuse
EP00912324A Expired - Lifetime EP1181103B1 (fr) 1999-05-27 2000-04-05 Centrifugeuse

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP99810460A Withdrawn EP1057533A1 (fr) 1999-05-27 1999-05-27 Centrifugeuse

Country Status (6)

Country Link
US (1) US6547972B1 (fr)
EP (2) EP1057533A1 (fr)
JP (1) JP4365043B2 (fr)
AU (1) AU3414700A (fr)
DE (1) DE50005694D1 (fr)
WO (1) WO2000072974A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060175269A1 (en) * 2003-03-27 2006-08-10 Yoshiharu Shima Concentrated sake, method for producing concentrated sake, centrifuge, and apparatus for concentrating sake or the like
ES2619155T3 (es) * 2005-11-18 2017-06-23 Ferrum Ag Cartucho de centrífuga
DE102008048091B4 (de) * 2008-09-19 2010-07-08 Börger GmbH Flüssigkeitsabscheider
DK201870747A1 (en) * 2018-11-14 2020-06-23 Bollfilter Nordic Aps Filter candle and method for operating such filter candle
KR102504657B1 (ko) * 2019-11-18 2023-02-27 주식회사 엘지화학 가압 원심 탈수기

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2718309A (en) * 1951-09-13 1955-09-20 Conveyor Company Inc Centrifugal dehydrator
US2858942A (en) * 1954-05-21 1958-11-04 Union Carbide Corp Centrifugal separator
CH452441A (de) * 1966-08-23 1968-05-31 Escher Wyss Ag Schubzentrifuge
DE1960015A1 (de) * 1969-01-22 1970-09-17 Ind Forschungszentrum Chemiean Kontinuierliche Filtrierzentrifuge
DE3042674A1 (de) * 1980-11-12 1982-06-09 Georg 8201 Kolbermoor Schilp Schubzentrifuge
SU1011270A1 (ru) * 1981-03-24 1983-04-15 Предприятие П/Я В-2262 Центрифуга
US4366951A (en) * 1982-02-16 1983-01-04 Belsky Valentin I Apparatus for refining metal melts from insuluble impurities
CH660695A5 (de) * 1982-09-06 1987-06-15 Escher Wyss Ag Doppel-schubzentrifuge.
JPH02500726A (ja) * 1986-11-03 1990-03-15 ロートシーブ　アクチェボラーグ 回転ドラム型分離装置
JPH0642931B2 (ja) * 1990-08-16 1994-06-08 孝一 荒井 スクレーパ濾過装置
US5653879A (en) * 1996-02-16 1997-08-05 Schroeder; Vern Liquid and solid separator
JPH11216313A (ja) * 1998-02-03 1999-08-10 Ishikawajima Harima Heavy Ind Co Ltd 脱水濃縮装置

Also Published As

Publication number Publication date
JP4365043B2 (ja) 2009-11-18
EP1057533A1 (fr) 2000-12-06
JP2003530203A (ja) 2003-10-14
AU3414700A (en) 2000-12-18
WO2000072974A1 (fr) 2000-12-07
EP1181103A1 (fr) 2002-02-27
DE50005694D1 (de) 2004-04-22
US6547972B1 (en) 2003-04-15

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