EP3218114A1 - Verfahren zum überwachen und/oder regeln des betriebs einer zentrifuge - Google Patents
Verfahren zum überwachen und/oder regeln des betriebs einer zentrifugeInfo
- Publication number
- EP3218114A1 EP3218114A1 EP15784698.1A EP15784698A EP3218114A1 EP 3218114 A1 EP3218114 A1 EP 3218114A1 EP 15784698 A EP15784698 A EP 15784698A EP 3218114 A1 EP3218114 A1 EP 3218114A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- centrifuge
- force
- drum
- manipulated variable
- bearing
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000012544 monitoring process Methods 0.000 title claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 9
- 238000005259 measurement Methods 0.000 claims abstract description 37
- 238000012545 processing Methods 0.000 claims abstract description 6
- 230000001276 controlling effect Effects 0.000 claims abstract description 5
- 239000007791 liquid phase Substances 0.000 claims abstract description 4
- 238000011156 evaluation Methods 0.000 claims description 3
- 238000005352 clarification Methods 0.000 claims 1
- 238000011161 development Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 238000004458 analytical method Methods 0.000 abstract description 2
- 239000007787 solid Substances 0.000 description 9
- 230000003068 static effect Effects 0.000 description 4
- 238000010327 methods by industry Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
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
- B04B13/00—Control arrangements specially designed for centrifuges; Programme control of centrifuges
-
- 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
- B04B9/10—Control of the drive; Speed regulating
-
- 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
- B04B9/12—Suspending rotary bowls ; Bearings; Packings for bearings
Definitions
- the invention relates to a method for monitoring and / or controlling and / or regulating the operation of a centrifuge, in particular a separator, in the centrifugal processing of a product, in particular when clarifying a product and / or when separating a product into different liquid phases ,
- No. 102008062055 A1 which discloses a method for detecting a machine state in which an evaluation of measured values for detecting the machine state takes place, the machine controller assigning and evaluating the measured value of a sensor as a function of the control state of a machine component.
- the invention achieves this goal by the subject matter of claim 1. Thereafter, force measurements are carried out and evaluated with one or more force sensors. If there is a deviation from a given behavior, an output occurs. Optionally or alternatively, the force measurements or the evaluations of the force measurements are used in the control and / or the regulation of the operation of the centrifuge.
- the continuous operation of the centrifuge during centrifugal processing of a product is monitored by one or more force measurements with one or more force sensors.
- a control of the operation is also a control of the operation.
- An error detection is possible and preferably also an optimization of the operation of the centrifuge by a control as a function of predetermined limits of the force measurement (s).
- the machine control (a control and preferably control device) initiates machine and process actions for optimizing the operation and monitors their effects.
- a centrifuge in particular a separator with a vertical axis of rotation is placed on four elastic (foot) elements in which a drum is supported on elastic support bearings in the region of the drum bearing.
- the force measurements are preferably set in relation to one or more reference measurement (s), whereby an assessment of parameters of the current state of the machine, the process engineering process or derer respective changes - becomes possible.
- reference measurement e.g., static or dynamic limit values
- machine functions such as changing the operating speed and / or procedural process functions such as emptying or changing the feed quantity are then initiated.
- Fig. 1 shows a highly simplified schematic representation of a first
- FIG. 2 shows a partially sectioned and enlarged and more detailed view of a portion of the separator of FIG. 2; and
- FIG. 3 is a partially sectioned, enlarged and more detailed view of another portion of the separator of FIG. 2; and
- Fig. 1 shows a schematic representation of a separator for the centrifugal processing of a product, in particular for clarifying a product of solids (or for concentrating such a phase) and / or for separating a product into different liquid phases.
- the illustrated in Fig. 1 - and preferably designed for continuous operation - separator has a (here only schematically illustrated) rotatable drum 1 with preferably a vertical axis of rotation.
- a Trennteller- packet may be arranged (not shown here).
- the drum 1 further has a drive spindle 2, which is drivable via a drive connection with a drive motor 3.
- the drive motor 3 could also be arranged as a direct drive in direct extension of the drive spindle (not shown here).
- Into the drum 1 leads a supply line 4 for a product to be processed. Liquids of different density and optionally solids can be passed out of the drum 1 through one or more outlets 5a, 5b and possibly solids discharge openings 6 (shown schematically).
- In the feed line 4 and the discharge (s) 5 a and 5 b preferably controllable (and preferably throttled) valves are provided (not shown here).
- the drum 1 is surrounded by a hood 7.
- the rotatable drum 1 and preferably the drive / motor 3 (and possibly other elements such as the hood 7 are arranged on a machine frame 8 and supported thereon.)
- the machine frame 8 is in turn provided with one or more (preferably three or four) Foot elements 9a, b, c, d, which has a spring element or - as here, for example, as a round bearing 14 - may be formed on a floor, in particular a foundation 10, set up (see FIGS. 1 and 2)
- one or more forces are respectively measured on one or more force sensors 11a to 11d and / or 11e (see FIG. 3) (step I in FIG. 4).
- the force sensors or load cells 1 1 1 a - 1 1 d and / or 1 1 e may be provided in different areas of the centrifuge, in particular at locations where elements of the rotating system are resiliently supported on an abutment, ie in areas in which a movement of the rotating system within narrow limits is permitted or takes place. These movements result from the machine dynamics as well as the process engineering state or its changes of the centrifuge. The static and dynamic forces acting in this way can be measured by force measurement.
- one or more, particularly preferably all, of the foot elements 9a-d are each assigned to one of the force sensors 11a, b, c, d for carrying out the force measurements on the respective foot elements 9a-9d (FIG , 2).
- the force sensors 11a-1d and / or 1e are preferably designed for measuring compressive forces.
- the force sensors 11a-11e are connected, for example via a wire connection or wirelessly, to a control and / or regulating device 12 of the separator at which their measurement results are evaluated (step II in FIG. 4) ).
- the control device 12 is preferably designed to display the determined values, for example, on an output unit such as a display (step III in FIG. 4) and / or to control the operation of the centrifuge (step IV in FIG. 4).
- a warning signal can be output.
- Functions such as solid discharges during operation of the centrifuge can also be controlled and / or regulated on the basis of the measured data (step IV).
- the control device 12 preferably also controls the drive-up motor 2 (directly or via an intermediate device).
- one of the force sensors 11a-11d designed for force measurement is used on each of the foot elements 9a, 9b, 9c, 9d (one or more pieces).
- the movement of the separator results from the machine-dynamic as well as the process-technical state of the centrifuge, in particular the drum 1.
- the static and dynamic forces which act on the foot arrangements 9a-9d or the support bearings 18 of the machine can be determined by measuring the force under two , three or four foot elements (1 1 a-1 1d) or at the support bearings (1 1 e).
- An exemplary type of arrangement of the force sensors 11a-11d is illustrated in FIG. 2.
- a force sensor 1a designed as a force-measuring ring is attached to a foot ment 9a provided. It is arranged between the machine frame 8 and the actual foot element 9a, which has here as a spring element surrounded by a cover 14 circular bearing 15.
- the circular bearing 15 is in turn supported on a foundation frame 1 6, which forms a part of the foundation / bottom 10. With one or more here vertically aligned bolt 17, the elements machine frame 8, circular bearing 14 and base frame 1 6 may be connected together. This construction is preferably realized on at least one or preferably all of the foot assemblies 9a-9d. By means of fastening nut 13 and bolt 17, a bias voltage in the force sensor 1 1 a is generated. The measuring takes place continuously, continuously or at intervals.
- the data measured by the one or more force sensors 11a-11d and / or 11e are forwarded to the control (and preferably control device 12) where they are evaluated, so that only one force can be measured at a time but also conceivable to record the results of all force sensors and suitably link and evaluate each other in order to create guidelines for the regulation.
- control and regulating device 12 influences the operation of the centrifuge such that the regulating variable - the force and / or the deflection at the foot elements - is changed in such a way that she assumes a desired behavior.
- measurements can be carried out in a simple manner with the one or more force sensor (s) with which the weight of the centrifuge and / or changes in the weight state of the centrifuge are determined
- Suitable force sensors are e.g. HBM force-measuring rings, BR ⁇ SA shear force transducers.
- the measurement of forces be continuous or at intervals less than or equal to 1 min.
- the inventive method is suitable for operating a centrifuge, in particular a separator with a vertical axis of rotation in continuous operation, which has a separating means such as a separator disk package in the drum.
- the centrifuge may be formed in other ways, for example as a solid bowl screw centrifuge, in particular with a horizontal axis of rotation (not shown here).
Landscapes
- Centrifugal Separators (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014116404.0A DE102014116404A1 (de) | 2014-11-11 | 2014-11-11 | Verfahren zum Überwachen und/oder Regeln des Betriebs einer Zentrifuge |
PCT/EP2015/074615 WO2016074905A1 (de) | 2014-11-11 | 2015-10-23 | Verfahren zum überwachen und/oder regeln des betriebs einer zentrifuge |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3218114A1 true EP3218114A1 (de) | 2017-09-20 |
EP3218114B1 EP3218114B1 (de) | 2020-07-15 |
Family
ID=54347547
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15784698.1A Active EP3218114B1 (de) | 2014-11-11 | 2015-10-23 | Verfahren zum überwachen und/oder regeln des betriebs einer zentrifuge |
Country Status (9)
Country | Link |
---|---|
US (1) | US10639650B2 (de) |
EP (1) | EP3218114B1 (de) |
JP (1) | JP6698254B2 (de) |
KR (1) | KR20170082513A (de) |
CN (1) | CN107073485B (de) |
BR (1) | BR112017006982B1 (de) |
DE (1) | DE102014116404A1 (de) |
RU (1) | RU2691346C2 (de) |
WO (1) | WO2016074905A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015119165B4 (de) * | 2015-11-06 | 2022-06-09 | Gea Mechanical Equipment Gmbh | Verfahren zur Klärung eines fließfähigen Produktes mit einer Zentrifuge, insbesondere einem Separator |
EP3533522A1 (de) | 2018-02-28 | 2019-09-04 | Alfa Laval Corporate AB | Zentrifugalabscheider und verfahren zum betrieb eines zentrifugalabscheiders |
EP3727711B1 (de) | 2018-04-23 | 2021-07-28 | Carbon, Inc. | Verfahren und harzextraktor für die generative fertigung |
US11919236B2 (en) | 2018-09-26 | 2024-03-05 | Carbon, Inc. | Spin cleaning method and apparatus for additive manufacturing |
CN113272117B (zh) | 2019-01-07 | 2024-08-02 | 卡本有限公司 | 用于增材制造中的树脂回收的系统和方法 |
CN109876931B (zh) * | 2019-04-08 | 2020-07-03 | 浙江大学 | 一种超重力离心机不平衡量监测方法 |
US11440259B2 (en) | 2020-01-31 | 2022-09-13 | Carbon, Inc. | Resin reclamation centrifuge rotor for additively manufactured objects |
EP4225560A1 (de) | 2020-10-09 | 2023-08-16 | Carbon, Inc. | Dampfschleuderreinigung von generativ gefertigten teilen |
DE102023105408A1 (de) | 2023-03-06 | 2024-09-12 | Gea Westfalia Separator Group Gmbh | Zentrifuge |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3541844A (en) * | 1969-05-07 | 1970-11-24 | Lebow Associates Inc | Force-measuring washer and readout arrangement |
SE422893B (sv) | 1975-02-12 | 1982-04-05 | Westfalia Separator Ag | Elastiskt lagrad centrifug for klarning och separering av vetskor |
DE2626763A1 (de) * | 1976-06-15 | 1977-12-22 | Heinkel Maschinenbau Kg Ernst | Vorrichtung und verfahren zur automatischen steuerung des speisungszyklus von diskontinuierlich arbeitenden zentrifugen |
JP3182761B2 (ja) * | 1990-10-29 | 2001-07-03 | 日本電気株式会社 | 遠心脱水乾燥装置 |
DE4111933C1 (en) | 1991-04-12 | 1992-06-17 | Westfalia Separator Ag, 4740 Oelde, De | Monitoring and regulating amt. emptied from self-emptying centrifuge - measuring current consumption of electromotor before and after partial emptying and comparing difference with stipulated value |
DE4316081C1 (de) * | 1993-05-13 | 1994-08-04 | Heinkel Ind Zentrifugen | Vorrichtung zur Durchführung einer Gewichtsmessung bei Zentrifugen |
US5604314A (en) * | 1994-10-26 | 1997-02-18 | Bonneville Scientific Incorporated | Triaxial normal and shear force sensor |
US5986146A (en) * | 1995-04-11 | 1999-11-16 | Floriall Holdings Limited | Process and reactor for heterogeneous exothermic synthesis of formaldehyde |
WO1997020634A1 (en) * | 1995-12-01 | 1997-06-12 | Baker Hughes Incorporated | Method and apparatus for controlling and monitoring continuous feed centrifuge |
CN2307634Y (zh) * | 1997-07-25 | 1999-02-17 | 陈聪海 | 离心分离机自动脱渣的装置 |
DE19732006C1 (de) * | 1997-07-25 | 1998-11-19 | Heinkel Ind Zentrifugen | Vorrichtung zur Durchführung einer Gewichtsmessung bei Zentrifugen |
US7102621B2 (en) * | 1997-09-30 | 2006-09-05 | 3M Innovative Properties Company | Force measurement system correcting for inertial interference |
JP2002248377A (ja) * | 2001-02-23 | 2002-09-03 | Joban Boring:Kk | 連続式遠心分離装置 |
KR20050101600A (ko) * | 2004-04-19 | 2005-10-25 | 주식회사 한랩 | 원심 분리기 |
DE102008062055B4 (de) | 2008-12-12 | 2021-07-22 | Gea Mechanical Equipment Gmbh | Verfahren zur Überwachung der automatisierten Entleerung einer Zentrifuge |
SE533360C2 (sv) | 2009-02-24 | 2010-09-07 | Alfa Laval Corp Ab | Centrifugalseparator och metod för separering |
CN202301673U (zh) * | 2011-05-17 | 2012-07-04 | 长沙易达仪器有限公司 | 减震垫及具有该减震垫的离心机 |
CN203342956U (zh) * | 2013-07-09 | 2013-12-18 | 中国工程物理研究院总体工程研究所 | 土工离心机新型平衡自调节系统 |
US20140235420A1 (en) * | 2014-04-28 | 2014-08-21 | HilFlo, LLC | Control system for a decanter centrifuge |
-
2014
- 2014-11-11 DE DE102014116404.0A patent/DE102014116404A1/de not_active Withdrawn
-
2015
- 2015-10-23 CN CN201580057607.6A patent/CN107073485B/zh active Active
- 2015-10-23 RU RU2017118571A patent/RU2691346C2/ru active
- 2015-10-23 JP JP2017517246A patent/JP6698254B2/ja active Active
- 2015-10-23 KR KR1020177010169A patent/KR20170082513A/ko not_active IP Right Cessation
- 2015-10-23 WO PCT/EP2015/074615 patent/WO2016074905A1/de active Application Filing
- 2015-10-23 EP EP15784698.1A patent/EP3218114B1/de active Active
- 2015-10-23 BR BR112017006982-2A patent/BR112017006982B1/pt active IP Right Grant
- 2015-10-23 US US15/525,828 patent/US10639650B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP3218114B1 (de) | 2020-07-15 |
RU2017118571A (ru) | 2018-12-14 |
US20170312763A1 (en) | 2017-11-02 |
BR112017006982A2 (pt) | 2017-12-12 |
US10639650B2 (en) | 2020-05-05 |
JP2017533089A (ja) | 2017-11-09 |
RU2691346C2 (ru) | 2019-06-11 |
JP6698254B2 (ja) | 2020-05-27 |
WO2016074905A1 (de) | 2016-05-19 |
KR20170082513A (ko) | 2017-07-14 |
DE102014116404A1 (de) | 2016-05-12 |
CN107073485B (zh) | 2020-04-24 |
BR112017006982B1 (pt) | 2021-06-08 |
CN107073485A (zh) | 2017-08-18 |
RU2017118571A3 (de) | 2019-02-13 |
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