EP2627451B1 - Verfahren zur phasentrennung eines produktes mit einer zentrifuge - Google Patents

Verfahren zur phasentrennung eines produktes mit einer zentrifuge Download PDF

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Publication number
EP2627451B1
EP2627451B1 EP11767014.1A EP11767014A EP2627451B1 EP 2627451 B1 EP2627451 B1 EP 2627451B1 EP 11767014 A EP11767014 A EP 11767014A EP 2627451 B1 EP2627451 B1 EP 2627451B1
Authority
EP
European Patent Office
Prior art keywords
liquid phase
heavier liquid
phase
drum
discharging
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
Application number
EP11767014.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2627451A1 (de
Inventor
Wilfried Mackel
Klaus-Peter Eickhoff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GEA Mechanical Equipment GmbH
Original Assignee
GEA Mechanical Equipment GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GEA Mechanical Equipment GmbH filed Critical GEA Mechanical Equipment GmbH
Publication of EP2627451A1 publication Critical patent/EP2627451A1/de
Application granted granted Critical
Publication of EP2627451B1 publication Critical patent/EP2627451B1/de
Active legal-status Critical Current
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Classifications

    • 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
    • B04B11/04—Periodical feeding or discharging; Control arrangements therefor
    • 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
    • B04B1/14—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 periodical discharge
    • 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
    • B04B11/02—Continuous feeding or discharging; Control arrangements therefor
    • 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
    • B04B11/08—Skimmers or scrapers for discharging ; Regulating thereof
    • B04B11/082—Skimmers for discharging liquid
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
    • C11B3/00—Refining fats or fatty oils
    • C11B3/16—Refining fats or fatty oils by mechanical means

Definitions

  • the invention relates to a method for processing a product by means of a phase separation according to the preamble of claim 1.
  • the technological background will be the DE 10 2005 021 331 A1 , the DE 697 12 569 T2 and the WO 94/06 565 A1 called.
  • the DE 10 2005 021 331 A1 Although shows a Trennseparator. Here, however, the derivation of a heavier liquid phase via an outlet, which is associated with a throttle device and only the derivation of a lighter liquid phase by means of a paring disc.
  • the WO 94/06 565 A1 discloses a Trennseparator, in which the lighter liquid phase by means of a paring disc and the other heavy liquid phase by means of a discharge by means of obliquely adjustable to radial tubes that are set once to a desired radius, so that in operation always takes place, this phase, but so that only a part of the tube dips into the heavy phase, which should keep the friction low.
  • the DE 697 12 569 T2 discloses a Trennseparator, in which the lighter liquid phase by means of a baffle plate and the other heavy liquid phase by means of an outlet member which is pressed with a drive device to varying locations of a free liquid surface, so that in operation also always the derivation of this phase takes place, where possible the Immersion depth should be kept constant in this phase to reduce energy consumption.
  • Trennseparatoren In the operation of Trennseparatoren occur problems with the continuous derivation of the heavier phase, especially when the heavier liquid phase is such that its viscosity can increase greatly in operation at a time can not be determined precisely.
  • Such an effect occurs, for example, in the processing of vegetable and animal oils and fats, such as in the separation of Soapstock or mucilage (phosphatides).
  • the invention has the object to solve this problem of separation in a simple manner.
  • the invention solves this problem by the subject matter of claim 1, that is, by simple means and with a very simple method in that when the viscosity of the heavier liquid phase Hp increases significantly, the inlet of the peeling member for the heavier liquid phase to a larger diameter is pivoted to divert the accumulated liquid phase of increased viscosity to a radius lying farther out in the drum. After deriving the highly compacted liquid to the radius set with the associated peeling member, the peeling member is adjusted to derive the heavier liquid phase again to a smaller radius.
  • Fig.1 shows a Separatortrommel 1, which has a vertically oriented axis of rotation at the radius r 0 .
  • the rotatable Separatortrommel 1 is set to a rotary spindle 2, which is driven for example directly or via a belt and which is rotatably mounted (not shown here).
  • the rotary spindle 2 can be conical in its upper peripheral region be designed.
  • the separator drum 1 is surrounded by a stationary hood 3 that does not rotate with the drum.
  • constructions are also known in which a lower drum is quasi “suspended" on an upper rotary spindle. Again, however, the drum is rotatably mounted oscillating only at one of its ends or subsequent to one of its axial ends.
  • the here advantageously double conical separator drum 1 has a Fernzulaufrohr.4 for a product to be hurled P, which is followed by a manifold 5, which is provided with at least one or more outlet openings 6, by which incoming centrifugal (cross hatching) in the interior the Separatortrommel 1 and at least one rising channel 7 of the plate package can be passed.
  • a feed through the spindle e.g. from below is also possible.
  • the construction is chosen such that the outlet openings 6 below a riser channel 7 in a plate package 8 of conically shaped separating plates (not shown).
  • the plate package 8 is launched from a divider plate 9, which has a larger diameter than the plate package eighth
  • a separation zone between a lighter liquid phase LP and a heavier liquid phase HP is formed during operation with a corresponding rotation of the drum at a certain radius - the emulsion line or separation line (also called E line) ,
  • the solid phase is designated S. It is discharged discontinuously through solids discharge openings 10, which can be discontinuously opened and closed by means of a piston slide 11.
  • the lighter liquid phase LP (light phase) is conducted at an inner radius r LP into a peeling chamber 12 and from there by means of a first peeling member, a peeling disk 13 (also called a gripper), out of the drum.
  • the paring disc acts like a pump.
  • the paring disc is outside of the Separators in the downstream derivative of a valve (not shown here) downstream of the throttling.
  • the inlet 14 in the paring disc 13 is located on a fixed diameter, which is not adjustable.
  • the heavy phase HP flows around the outer circumference of the divider plate 9 through a discharge channel 15 into a second peeling chamber 15, in which a second scraping chamber 16 is arranged.
  • This peeling member is designed such that its inlet or its inlet opening 17 within the peeling chamber is continuously or discontinuously adjustable (see also Fig. 2 ), so that at least a first inner radius Ri and a second outer radius Ra in the drum can be achieved.
  • the second peeling member 16 is designed as a peeling tube, which in section the Fig. 1 L-shaped and has a first portion 18 which is radially aligned in the peeling chamber and a second, parallel to the rotation axis D aligned portion 19, which is guided upward from the rotating system, wherein the portion 19 about its longitudinal axis on the Radius r19 is rotatable.
  • a pivoting of the peeling tube 18 about this axis of rotation r19 allows the inlet 17 between the mentioned inner radius Ri (dashed line in FIG Fig. 2 ) and the outer radius Ra to pivot (not dashed line in FIG Fig. 2 ).
  • the pivoting per se can be realized in a variety of ways, such as by means of a gear transmission.
  • a toothed segment 20 may be formed on the outer pipe diameter, which meshes with a drive gear 21 of a transmission, which is otherwise not shown, to which an electric motor (not shown) is connected upstream.
  • the drive and the gear connection to the peeling member can also be realized in other ways.
  • the product to be processed is such that the viscosity of a heavier liquid phase Hp can unexpectedly change, in particular significantly increase, during operation, clogging and blocking of the drum can be counteracted by the inlet of the peeling member for the heavier liquid phase is pivoted to a larger diameter, in order to derive the compacted heavier liquid phase to a radius lying farther out in the drum.
  • the peeling member is moved to derive the heavier liquid phase back to a smaller Ri.
  • the second peeling element is adjusted to the larger radius mentioned.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Microbiology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Centrifugal Separators (AREA)
  • Fats And Perfumes (AREA)
EP11767014.1A 2010-10-14 2011-10-10 Verfahren zur phasentrennung eines produktes mit einer zentrifuge Active EP2627451B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010038193A DE102010038193A1 (de) 2010-10-14 2010-10-14 Verfahren zur Phasentrennung eines Produktes mit einer Zentrifuge
PCT/EP2011/067638 WO2012049118A1 (de) 2010-10-14 2011-10-10 Verfahren zur phasentrennung eines produktes mit einer zentrifuge

Publications (2)

Publication Number Publication Date
EP2627451A1 EP2627451A1 (de) 2013-08-21
EP2627451B1 true EP2627451B1 (de) 2014-12-10

Family

ID=44764170

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11767014.1A Active EP2627451B1 (de) 2010-10-14 2011-10-10 Verfahren zur phasentrennung eines produktes mit einer zentrifuge

Country Status (8)

Country Link
US (1) US9561513B2 (pt)
EP (1) EP2627451B1 (pt)
CN (1) CN103153473B (pt)
BR (1) BR112013008889B1 (pt)
DE (1) DE102010038193A1 (pt)
ES (1) ES2532212T3 (pt)
RU (1) RU2573876C2 (pt)
WO (1) WO2012049118A1 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013100180A1 (de) * 2012-03-26 2013-09-26 Gea Mechanical Equipment Gmbh Separatoranordnung
EP2796203B1 (en) * 2013-04-23 2015-11-25 Andritz Frautech S.r.l. Device for drawing off fluid of a centrifugation device
DE102013111576A1 (de) * 2013-10-21 2015-04-23 Gea Mechanical Equipment Gmbh Verfahren zur Klärung eines fließfähigen Produktes mit einer Zentrifuge, insbesondere einem Separator
JP5829352B1 (ja) * 2015-07-31 2015-12-09 三菱化工機株式会社 排ガススクラバー用の遠心分離機及びその運転方法
EP3290093B1 (en) 2016-09-06 2022-05-11 Alfa Laval Corporate AB Method for cleaning fuel oil for a diesel engine
CN108176520A (zh) * 2017-12-25 2018-06-19 江苏巨能机械有限公司 三相碟式分离机
CN109731699B (zh) * 2019-01-18 2020-04-10 西安交通大学 一种液液两相流体离心分离装置及方法
US10654050B1 (en) * 2019-05-21 2020-05-19 Empirical Innovations, Inc. Centrifugal separators and separation methods employing multiple pistons and facilitating intermediate material ejection
CN112221721B (zh) * 2020-08-20 2022-10-14 南京中船绿洲机器有限公司 一种碟式分离机

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2301109A (en) * 1940-12-10 1942-11-03 Refining Inc Process of refining oil
FR1554226A (pt) * 1967-05-10 1969-01-17
DK410284A (da) * 1984-08-28 1986-03-01 Alfa Laval Zeta As Fremgangsmaade til styring af graensefladen mellem olie og vand ved slamudtoemning fra en centrifuge til separering af olie og vand og slam
US4594166A (en) * 1985-03-25 1986-06-10 William D. Clinton Desludging device for centrifuges
SE452260B (sv) * 1986-03-12 1987-11-23 Alfa Laval Separation Ab Centrifugalseparator anordnad for utmatning av en separerad produkt med bestemd koncentration
DE3811619C1 (pt) * 1988-03-12 1989-08-17 Westfalia Separator Ag, 4740 Oelde, De
DE4108854C1 (en) * 1991-03-19 1992-05-27 Westfalia Separator Ag, 4740 Oelde, De Drum centrifuge used in animal fat refining - has series of plates to separate solids and fluids equipped with divider plate having off-take channels to transfer heavy prod. from rim to central off-take chamber
SE500414C2 (sv) * 1992-09-21 1994-06-20 Alfa Laval Separation Ab Centrifugalseparator med stationärt utmatningsorgan
SE9600299D0 (sv) * 1996-01-29 1996-01-29 Tetra Laval Holdings & Finance Utloppsanordning och en centrifugalseparator försedd med en sådan utloppsanordning
SE521366C2 (sv) * 1998-08-24 2003-10-28 Alfa Laval Corp Ab Sätt och anordning för rengöring av en centrifugalseparator
RU2262990C2 (ru) * 2003-10-08 2005-10-27 Старокожев Виктор Алексеевич Герметический сепаратор для разделения эмульсий
DE10361520C5 (de) * 2003-12-23 2012-02-23 Gea Westfalia Separator Gmbh Verfahren zur Vermeidung von Verstopfungen der Durchflußwege eines Separators
RU2283698C2 (ru) * 2004-07-06 2006-09-20 Открытое акционерное общество Научно-исследовательский технологический институт "НИТИ-ТЕСАР" Шнековая центрифуга
DE102005021331A1 (de) * 2005-05-04 2006-11-09 Westfalia Separator Ag Drei-Phasen-Trennseparator mit einer Schälscheibe und Feststoffaustragsöffnungen

Also Published As

Publication number Publication date
BR112013008889B1 (pt) 2020-10-13
US20140057772A1 (en) 2014-02-27
BR112013008889A2 (pt) 2016-06-28
DE102010038193A1 (de) 2012-04-19
CN103153473B (zh) 2014-08-20
CN103153473A (zh) 2013-06-12
WO2012049118A1 (de) 2012-04-19
EP2627451A1 (de) 2013-08-21
ES2532212T3 (es) 2015-03-25
US9561513B2 (en) 2017-02-07
RU2573876C2 (ru) 2016-01-27
RU2013121275A (ru) 2014-11-20

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