DE20307913U1 - Laboratory bench rotary vacuum concentrator comprises internal magnetic drive, for slow removal of solvent in test tube scale preparations - Google Patents

Laboratory bench rotary vacuum concentrator comprises internal magnetic drive, for slow removal of solvent in test tube scale preparations

Info

Publication number
DE20307913U1
DE20307913U1 DE20307913U DE20307913U DE20307913U1 DE 20307913 U1 DE20307913 U1 DE 20307913U1 DE 20307913 U DE20307913 U DE 20307913U DE 20307913 U DE20307913 U DE 20307913U DE 20307913 U1 DE20307913 U1 DE 20307913U1
Authority
DE
Germany
Prior art keywords
axis
rotor
magnetic bearing
drive
housing
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
DE20307913U
Other languages
German (de)
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.)
MARTIN CHRIST GEFRIERTROCKNUNGSANLAGEN GmbH
Original Assignee
MARTIN CHRIST GEFRIERTROCKNUNGSANLAGEN 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 MARTIN CHRIST GEFRIERTROCKNUNGSANLAGEN GmbH filed Critical MARTIN CHRIST GEFRIERTROCKNUNGSANLAGEN GmbH
Priority to DE20307913U priority Critical patent/DE20307913U1/en
Publication of DE20307913U1 publication Critical patent/DE20307913U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/40—Concentrating samples
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B15/00—Other accessories for centrifuges
    • B04B15/02—Other accessories for centrifuges for cooling, heating, or heat insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B15/00—Other accessories for centrifuges
    • B04B15/08—Other accessories for centrifuges for ventilating or producing a vacuum in the centrifuge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B5/00—Other centrifuges
    • B04B5/04—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers
    • B04B5/0407—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles
    • B04B5/0414—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles comprising test tubes
    • B04B5/0421—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles comprising test tubes pivotably mounted
    • 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
    • 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
    • B04B9/02—Electric motor drives
    • B04B9/04—Direct drive
    • 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
    • B04B9/08—Arrangement or disposition of transmission gearing ; Couplings; Brakes
    • 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
    • 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
    • B04B9/14—Balancing rotary bowls ; Schrappers
    • B04B9/146—Unbalance detection devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08—Structural association with bearings
    • H02K7/09—Structural association with bearings with magnetic bearings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/40—Concentrating samples
    • G01N1/4022—Concentrating samples by thermal techniques; Phase changes
    • G01N2001/4027—Concentrating samples by thermal techniques; Phase changes evaporation leaving a concentrated sample

Abstract

A rotary vacuum concentrator has an internal magnetic drive. Preferred Features: A centrifugal separator is adapted to undertake evaporation under reduced pressure, without rotating shaft penetration of the vacuum enclosure. The unit may be provided with external heating or cooling and also an imbalance detection (25).

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (18)

1. Vorrichtung zur Konzentration von Stoffgemischen durch Verdampfen wenigstens einer Komponente des Gemisches bestehend aus einem, mit einem Deckel (3) druckdicht verschließbaren, mit einer Vakuumquelle in Verbindung bringbaren Gehäuse (1), innerhalb welchem ein um eine Achse (6) drehbarer und mit einem Antrieb (20) in Wirkverbindung stehender Rotor (11) angeordnet ist, mit Gefäßen (13), die zur Aufnahme des zu behandelnden Stoffgemisches bestimmt und nach Maßgabe einer gleichförmigen Umfangs­ verteilung in Halterungen (12) des Rotors (11) lösbar aufgenommen sind, dadurch gekennzeichnet, dass der Rotor (11) über seine Nabe (10) mit wenigstens einem Magnetlager auf der, sich innerhalb des Gehäuses (1) erstreckenden, fest angeordneten Achse (6) gelagert ist und dass die elek­ trischen Rotor- und Statorsysteme sowohl des genannten Antriebs (20) als auch des wenigstens einen Magnetlagers in die Struktur der Achse (6) bezie­ hungsweise die Struktur der Nabe (10) integriert sind.1. A device for the concentration of mixtures by evaporation of at least one component of the mixture consisting of a, with a lid ( 3 ) pressure-tight sealable, with a vacuum source in combination housing ( 1 ), within which one about an axis ( 6 ) rotatable and with a drive ( 20 ) operatively connected rotor ( 11 ) is arranged, with vessels ( 13 ) which are intended to receive the substance mixture to be treated and in accordance with a uniform circumferential distribution in holders ( 12 ) of the rotor ( 11 ) are removably received, characterized in that the rotor ( 11 ) is mounted via its hub ( 10 ) with at least one magnetic bearing on the inside of the housing ( 1 ) extending, fixedly arranged axis ( 6 ) and that the elec tric rotor and stator both said drive ( 20 ) and the at least one magnetic bearing in the structure of the axis ( 6 ) relation ship as the structure of Na be ( 10 ) are integrated. 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass dass die Stator­ systeme des genannten Antriebs (20) sowie des wenigstens einen Magnet­ lagers mit der Achse in Verbindung stehen und dass sich die genannten Rotorsysteme radial außerhalb der Achse befinden.2. Device according to claim 1, characterized in that that the stator systems of said drive ( 20 ) and the at least one magnetic bearing are in communication with the axis and that said rotor systems are located radially outside the axis. 3. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Achse (6) als Hohlachse konzipiert ist, dass die Statorsysteme des genannten Antriebs (20) sowie des wenigstens einen Magnetlagers mit der Achse (6) in Verbindung stehen und dass sich die genannten Rotorsysteme radial innerhalb der Achse (6) befinden.3. Device according to claim 1, characterized in that the axis ( 6 ) is designed as a hollow axle, that the stator systems of said drive ( 20 ) and at least one magnetic bearing with the axis ( 6 ) are in communication and that said rotor systems located radially inside the axis ( 6 ). 4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass sich die Achse (6) senkrecht zu einem Boden (8) des durch den Deckel (3) verschließbaren Gehäuses (1) erstreckt. 4. Device according to one of claims 1 to 3, characterized in that extending the axis ( 6 ) perpendicular to a bottom ( 8 ) of the lid ( 3 ) closable housing ( 1 ). 5. Vorrichtung nach einem der Ansprüche 1 bis 4 gekennzeichnet durch zwei axial voneinander beabstandete radiale Magnetlager (23, 24) und ein axiales Magnetlager (25).5. Device according to one of claims 1 to 4, characterized by two axially spaced-apart radial magnetic bearing ( 23 , 24 ) and an axial magnetic bearing ( 25 ). 6. Vorrichtung nach einem der Ansprüche 1 bis 5 gekennzeichnet durch eine elektrische Steuerung (28), die mit den Magnetlagern (23, 24, 25) sowie dem Antrieb (20) in Wirkverbindung steht.6. Device according to one of claims 1 to 5, characterized by an electrical control ( 28 ) which is in operative connection with the magnetic bearings ( 23 , 24 , 25 ) and the drive ( 20 ). 7. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Halterungen (12) des Rotors (11) zur Aufnahme der Gefäße (13) bestimmt und eingerichtet sind, und zwar nach Maßgabe eines festen Winkels zwischen der Längsachse eines Gefäßes (13) und der Achse (6).7. Device according to one of claims 1 to 6, characterized in that the holders ( 12 ) of the rotor ( 11 ) for receiving the vessels ( 13 ) are determined and set up, in accordance with a fixed angle between the longitudinal axis of a vessel ( 13 ) and the axis ( 6 ). 8. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Halterungen (12) des Rotors (11) zur Aufnahme der Gefäße (13) bestimmt und eingerichtet sind, und zwar mit der Maßgabe, dass die Gefäße jeweils frei oder drehwinkelbegrenzt schwenkbar um solche Achsen gehalten sind, die in einer Ebene senkrecht zu der Achse (6) und tangential zu einem Kreis um diese Achse verlaufen.8. Device according to one of claims 1 to 6, characterized in that the holders ( 12 ) of the rotor ( 11 ) for receiving the vessels ( 13 ) are determined and set, with the proviso that the vessels each free or rotational angle limited are pivotally held about such axes which extend in a plane perpendicular to the axis ( 6 ) and tangential to a circle about this axis. 9. Vorrichtung nach einem der Ansprüche 6 bis 8, dadurch gekennzeichnet, dass die Steuerung (28) unter Mitwirkung des Magnetlagers/der Magnetlager (23, 24, 25) zur kontinuierlichen Erfassung der Masse des in den Gefäßen (13) aufgenommenen Stoffgemisches eingerichtet ist.9. Device according to one of claims 6 to 8, characterized in that the controller ( 28 ) with the cooperation of the magnetic bearing / the magnetic bearing ( 23 , 24 , 25 ) for continuous detection of the mass of the vessels ( 13 ) recorded substance mixture is set up , 10. Vorrichtung nach einem der Ansprüche 6 bis 9 dadurch gekennzeichnet, dass die Steuerung (28) unter Mitwirkung der Magnetlager (23, 24, 25) zur kontinuierlichen Erfassung einer statischen und/oder einer dynamischen Umwucht des Rotors (11) eingerichtet ist.10. Device according to one of claims 6 to 9, characterized in that the controller ( 28 ) with the cooperation of the magnetic bearings ( 23 , 24 , 25 ) for continuously detecting a static and / or dynamic balancing of the rotor ( 11 ) is arranged. 11. Vorrichtung nach Anspruch 10, dadurch gekennzeichnet, dass die Steuerung (28) unter Mitwirkung der Magnetlager (23, 24, 25) durch eine an die Lage der Unwucht angepasste, drehwinkelgerechte Feldsteuerung oder dergleichen zum Ausgleich einer statischen und/oder einer dynamischen Umwucht eingerichtet ist.11. The device according to claim 10, characterized in that the controller ( 28 ) in cooperation with the magnetic bearing ( 23 , 24 , 25 ) adapted to the position of the imbalance, angle-correct field control or the like to compensate for a static and / or dynamic balance is set up. 12. Vorrichtung nach einem der Ansprüche 6 bis 11, dadurch gekennzeichnet, dass die Steuerung (28) unter Mitwirkung der Magnetlager (23, 24, 25) durch eine drehwinkelgerechte Feldsteuerung oder dergleichen zur Übertragung einer kontrollierten radialen und/oder axialen Schwingbewegung auf den Rotor (11) eingerichtet ist.12. Device according to one of claims 6 to 11, characterized in that the controller ( 28 ) in cooperation with the magnetic bearing ( 23 , 24 , 25 ) by a rotation angle-appropriate field control or the like for transmitting a controlled radial and / or axial oscillatory motion to the rotor ( 11 ) is set up. 13. Vorrichtung nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass die Achse (6) zur Aufnahme elektrischer Versorgungs- und Steuerlei­ tungen sowohl des Magnetlagers/der Magnetlager (23, 24, 25) als auch des Antriebs (20) eingerichtet ist.13. Device according to one of claims 1 to 12, characterized in that the axis ( 6 ) for receiving electrical supply and Steuerlei lines of both the magnetic bearing / the magnetic bearing ( 23 , 24 , 25 ) and the drive ( 20 ) is arranged , 14. Vorrichtung nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass das Gehäuse (1) mit Beheizungselementen ausgerüstet ist.14. Device according to one of claims 1 to 13, characterized in that the housing ( 1 ) is equipped with heating elements. 15. Vorrichtung nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass das Gehäuse (1) mit Kühlelementen ausgerüstet ist.15. Device according to one of claims 1 to 14, characterized in that the housing ( 1 ) is equipped with cooling elements. 16. Vorrichtung nach einem der vorangegangenen Ansprüche 1 bis 15 gekenn­ zeichnet durch innerhalb der Nabe (10) und/oder der Achse (6) angeordnete Stützlager (26, 27).16. Device according to one of the preceding claims 1 to 15 marked by within the hub ( 10 ) and / or the axis ( 6 ) arranged support bearing ( 26 , 27 ). 17. Vorrichtung nach einem der vorangegangenen Ansprüche 1 bis 15 gekenn­ zeichnet durch außerhalb der Nabe (10) und/oder der Achse (6) angeordnete Stützlager.17. Device according to one of the preceding claims 1 to 15 marked characterized by outside of the hub ( 10 ) and / or the axis ( 6 ) arranged support bearing. 18. Vorrichtung nach einem der vorangegangenen Ansprüche 1 bis 17 gekenn­ zeichnet durch eine völlig gekapselte Lagerung des Rotors (11) innerhalb des im übrigen keinerlei Drehdurchführungen oder dergleichen aufweisenden Gehäuses (1).18. Device according to one of the preceding claims 1 to 17 marked by a completely encapsulated bearing of the rotor ( 11 ) within the otherwise no rotary unions or the like having housing ( 1 ).
DE20307913U 2003-05-19 2003-05-19 Laboratory bench rotary vacuum concentrator comprises internal magnetic drive, for slow removal of solvent in test tube scale preparations Expired - Lifetime DE20307913U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20307913U DE20307913U1 (en) 2003-05-19 2003-05-19 Laboratory bench rotary vacuum concentrator comprises internal magnetic drive, for slow removal of solvent in test tube scale preparations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20307913U DE20307913U1 (en) 2003-05-19 2003-05-19 Laboratory bench rotary vacuum concentrator comprises internal magnetic drive, for slow removal of solvent in test tube scale preparations

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Publication Number Publication Date
DE20307913U1 true DE20307913U1 (en) 2003-09-04

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2848468A1 (en) * 2002-12-17 2004-06-18 Japan Nuclear Cycle Dev Inst Centrifugal extractor includes main shaft surrounded by air-tightly drive-portion housing coupled to rotor housing
EP2524731A1 (en) * 2011-05-20 2012-11-21 Wolfgang Treutner Rotating machine for separating materials in different states of aggregation
CN101126690B (en) * 2006-08-01 2012-12-05 赛默费舍科技股份有限公司 Method and software for detecting vacuum concentrator ends-of-runs
GB2504300A (en) * 2012-07-24 2014-01-29 Genevac Ltd Apparatus and method for evaporating a solvent from a sample
WO2013143985A3 (en) * 2012-03-26 2014-06-26 Gea Mechanical Equipment Gmbh Separator arrangement
CN109499784A (en) * 2018-12-11 2019-03-22 中国人民解放军陆军军医大学第二附属医院 Micro centrifuge
EP3505258A1 (en) 2018-01-02 2019-07-03 Sigma Laborzentrifugen GmbH Laboratory centrifuge
CN112122012A (en) * 2020-09-11 2020-12-25 浦江凯瑞生物科技股份有限公司 Centrifuge for extracting heparin sodium crude product by compound enzyme method
CN112808467A (en) * 2020-12-30 2021-05-18 湖南湘鑫仪器仪表有限公司 Adjustable vacuum centrifugal machine

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2848468A1 (en) * 2002-12-17 2004-06-18 Japan Nuclear Cycle Dev Inst Centrifugal extractor includes main shaft surrounded by air-tightly drive-portion housing coupled to rotor housing
CN101126690B (en) * 2006-08-01 2012-12-05 赛默费舍科技股份有限公司 Method and software for detecting vacuum concentrator ends-of-runs
EP2524731A1 (en) * 2011-05-20 2012-11-21 Wolfgang Treutner Rotating machine for separating materials in different states of aggregation
US10105717B2 (en) 2012-03-26 2018-10-23 Gea Mechanical Equipment Gmbh Method for operating a separator with a drive chamber under negative pressure
WO2013143985A3 (en) * 2012-03-26 2014-06-26 Gea Mechanical Equipment Gmbh Separator arrangement
CN104271249A (en) * 2012-03-26 2015-01-07 Gea机械设备有限公司 Separator arrangement
CN104271249B (en) * 2012-03-26 2016-07-06 Gea机械设备有限公司 Separator system
GB2504300A (en) * 2012-07-24 2014-01-29 Genevac Ltd Apparatus and method for evaporating a solvent from a sample
US9975124B2 (en) 2012-07-24 2018-05-22 Genevac Limited Evaporation of solvents from samples
EP3505258A1 (en) 2018-01-02 2019-07-03 Sigma Laborzentrifugen GmbH Laboratory centrifuge
CN109499784A (en) * 2018-12-11 2019-03-22 中国人民解放军陆军军医大学第二附属医院 Micro centrifuge
CN112122012A (en) * 2020-09-11 2020-12-25 浦江凯瑞生物科技股份有限公司 Centrifuge for extracting heparin sodium crude product by compound enzyme method
CN112808467A (en) * 2020-12-30 2021-05-18 湖南湘鑫仪器仪表有限公司 Adjustable vacuum centrifugal machine

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