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WO2019007955A1 - Dispositif permettant de dégager de manière commandée une poudre - Google Patents

Dispositif permettant de dégager de manière commandée une poudre Download PDF

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Publication number
WO2019007955A1
WO2019007955A1 PCT/EP2018/067946 EP2018067946W WO2019007955A1 WO 2019007955 A1 WO2019007955 A1 WO 2019007955A1 EP 2018067946 W EP2018067946 W EP 2018067946W WO 2019007955 A1 WO2019007955 A1 WO 2019007955A1
Authority
WO
WIPO (PCT)
Prior art keywords
movement
metering
storage volume
powder
agitator
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.)
Ceased
Application number
PCT/EP2018/067946
Other languages
German (de)
English (en)
Inventor
Karl-Heinz Trimborn
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.)
Aixtron SE
Original Assignee
Aixtron SE
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 Aixtron SE filed Critical Aixtron SE
Priority to KR1020207000161A priority Critical patent/KR20200026243A/ko
Publication of WO2019007955A1 publication Critical patent/WO2019007955A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/14Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
    • B05B7/1404Arrangements for supplying particulate material
    • B05B7/144Arrangements for supplying particulate material the means for supplying particulate material comprising moving mechanical means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05Stirrers
    • B01F27/051Stirrers characterised by their elements, materials or mechanical properties
    • B01F27/054Deformable stirrers, e.g. deformed by a centrifugal force applied during operation
    • B01F27/0541Deformable stirrers, e.g. deformed by a centrifugal force applied during operation with mechanical means to alter the position of the stirring elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/92Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with helices or screws
    • B01F27/921Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with helices or screws with helices centrally mounted in the receptacle
    • B01F27/9213Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with helices or screws with helices centrally mounted in the receptacle the helices having a diameter only slightly less than the diameter of the receptacle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/80Forming a predetermined ratio of the substances to be mixed
    • B01F35/88Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
    • B01F35/882Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise using measuring chambers, e.g. volumetric pumps, for feeding the substances
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/20Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising
    • B05B15/25Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising using moving elements, e.g. rotating blades
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • G01F11/10Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers moved during operation
    • G01F11/12Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers moved during operation of the valve type, i.e. the separating being effected by fluid-tight or powder-tight movements
    • G01F11/20Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers moved during operation of the valve type, i.e. the separating being effected by fluid-tight or powder-tight movements wherein the measuring chamber rotates or oscillates
    • G01F11/24Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers moved during operation of the valve type, i.e. the separating being effected by fluid-tight or powder-tight movements wherein the measuring chamber rotates or oscillates for fluent solid material

Definitions

  • the invention relates to a device for feeding a powder into a fluid stream, with a in a storage volume rotatably driven about a rotation axis, open to storage volume metering having metering, wherein the metering chambers are filled during rotation of the metering with the stockpiled in the storage powder and be emptied into the fluid stream at a discharge point.
  • CN 201737998 U describes a metering element in the form of a circular disk with metering chambers arranged in a circle around the center of the circular disk and which are filled with a powder when the metering disk is rotated.
  • At Entleemngs ask a fluid flow, in particular a gas stream blow out the transported in a metering powder. Due to the rotational speed of the metering element, a mass flow of an aerosol can be generated.
  • Agitators or vibrating elements for influencing the stored in a storage volume powder are known from CN 201511132 U, CN 201512581 U and JP 09253476.
  • the invention has the object of developing a working with a rotating metering dosing device to the effect that their dosing accuracy is increased.
  • the problem is solved by the invention specified in the claims, wherein the dependent claims represent not only advantageous embodiments of the invention specified in the main claim, but also own solutions to the problem.
  • Individual features of the subclaims can be combined with one another in any form.
  • an agitator is arranged in a storage volume with which the powder stored there is moved.
  • the agitator has at least one stirring arm.
  • the at least one stirring arm preferably moves in a circular movement through the storage volume.
  • the storage volume may have walls which run in a funnel shape into a metering channel, wherein the metering channel extends on a circular arc line.
  • Components of the stirring arm preferably extend directly to the bottom of the metering channel or to the bottom of the metering channel.
  • the bottom of the metering is formed by the metering or has a metering, which may be formed by a circular disc or a circular ring.
  • the metering element has a multiplicity of metering chambers arranged on a circular arc line about the axis of rotation of the metering element.
  • the metering chambers can be enclosed around. But you can also be open to the edge of the dosing. It is essential that the metering chambers, which have, for example, a circular structure, are open towards the storage volume, so that the powder can enter the metering chambers.
  • the stirrer located above the metering chambers and in particular the stirring arm or an actuating extension formed by the stirring arm moves the powder in a region immediately above the metering chambers, so that a reproducible filling of the metering chambers with powder is achieved.
  • the rotational movement of the metering promotes the filled metering chambers towards a discharge point at which a fluid flow, for example.
  • a gas stream is passed through the metering chamber.
  • the metering chambers are preferably open both to the storage volume and to a base, over which the metering element grinds.
  • the floor has at the discharge point an opening through which the powder conveying gas flow can escape.
  • movement-influencing means are preferably provided, which in particular are firmly connected to the wall of the storage volume. These movement-influencing means form mechanical obstacles against which the moving stirring arm or an actuating extension attached to the stirring arm must move.
  • the stirring arm or the actuating extension is moved on a circular movement, wherein the center of the circle may be the center of the rotational movement of the metering element.
  • the movement influencing means the movement of the stirring arm or the actuating extension is deflected by the circular movement. It may be a radial deflection or an axial deflection, but also an azimuthal deflection.
  • the stirring arm or the actuating extension is deflected by the movement influencing means in the radial direction.
  • the movement-influencing means may be a radial projection on the wall of the storage volume.
  • an axial movement deflection of the stirring arm or the actuating extension is deflected in one direction from a plane of movement.
  • the movement of the stirring arm or of the actuation extension is initially delayed.
  • the stirring arm or the actuating extension runs against an obstacle. Due to the elasticity of the stirring arm or of the actuating extension, deformation takes place until the stirring arm or the actuating extension overflows the obstacle.
  • the agitator is driven by the same rotary drive, which also drives the metering. He can thus be loftmit dragged by the metering.
  • the stirring arm may have a helical shape or a spiral shape or a combination of the two forms.
  • an actuating extension can be arranged at the free end of the Rendingarmes.
  • the mixing arm may have lattice webs which, when rotated, Pouring the agitator pass through the powder plowing. It may be provided a sprocket on which a pinion engages to rotate the agitator independently of the metering.
  • the actuating extension or another portion of the Rlickarmes can also grind on the dosing.
  • An edge of the actuation extension, which grinds over the openings of the metering element, can thereby act as a scraper. With this scraper function, an optimal filling of a dosing chamber of the dosing element can be achieved.
  • the stirring arm or the actuating extension can force-loaded in the direction of the metering slide over the metering chambers.
  • FIG. 1 shows a cross-section schematically a first embodiment
  • FIG. 5 in perspective a component of the storage volume 1
  • FIG. 1 and 2 The embodiment shown in Figures 1 and 2 is a powder feeder having a storage volume 1, which is surrounded by a cylindrical wall 5 and an adjoining conical wall 5 '.
  • a conical section 17 in the center of the storage volume 1 there is a conical section 17, so that the storage volume 1 is annular in the lower area, with a cross-sectional area tapering towards the floor.
  • a dosing 2 In the region of the bottom 9 is a dosing 2. It is a substantially circular or annular disc having arranged on a circular arc line window. The windows each form a metering chamber.
  • the metering element 2 rotates about a rotation axis 10 above a bottom 9. During the rotation of the metering element 2, the metering chambers 3 fill with the powder 4 stored in the storage volume 1.
  • the base 9 has an outlet opening 8 at a circumferential position. However, it can also be provided that the base 9 has an outlet opening 8 at a plurality of circumferential positions.
  • the outlet opening 8 is associated with a fluid channel 7, the mouth of which is arranged in alignment with the outlet opening 8 on the bottom side 9 opposite broad side plane of the metering element 2, so in that a fluid flowing through the fluid channel 7 flows through the metering chamber 3 and thereby conveys the powder transported in the metering chamber 3 to the outlet opening 8 out of the metering chamber 3.
  • the fluid stream may be a gas stream.
  • a stirrer 11 which has a stirring arm 12.
  • the stirring arm 12 is formed by a single helical, elastic body.
  • stirring arm 12 is entrained by the rotational movement of the metering element 2.
  • the agitator 11 has its own drive. The agitator 11 can be rotated in such a way that a rotational movement to the rotational movement of the metering element 2 is rectified. But it is also envisaged that metering element 2 and agitator 11 rotate in opposite directions of rotation.
  • the free end of the stirring arm 12 forms an actuating extension 13, which has a lower end which sweeps over the bottom of the storage volume 1 or via the metering element 2 during the rotary movement of the stirring drum 11.
  • the widened lower portion of the actuating extension 13 slides over the metering chambers 3 away.
  • At least one influencing means 6 is provided in order to influence the otherwise uniform movement of the actuating extension 13.
  • the influencing means 6 is formed by the end of the fluid channel 7 protruding into the storage volume 1.
  • the obstacle formed thereby causes the actuating extension 13 to be displaced in the axial direction to overflow the influencing means 6.
  • the axial displacement of the actuation extension 13 is simultaneously connected with an influence on the azimuthal motion. This is initially delayed and accelerated when overflowing the influencing means 6.
  • the embodiment shown in Figures 3 to 5 has an agitator 11, which has a ring gear 14 in its upper region, which is rotationally driven by a pinion 18 which is rotatably driven by an electric motor.
  • the agitator 11 forms a total of four stirring arms 12, which are connected to a ring element 19.
  • the ring element 19 is located in the conical region of the storage volume 1.
  • actuation extensions 13 are attached on the ring element 19 .
  • the actuation extensions 13 are leaf-spring-like elastic elements which can deform in the radial direction in the exemplary embodiment.
  • the free ends of the actuation extensions 13 protrude to just above the metering element 2 arranged in the bottom region of the storage volume 1.
  • the leaf spring-like elastic elements can be deformed in the circumferential direction.
  • FIG. 4 shows that the influencing means 6 in the plane of rotation have arcuate walls, along which the lower section of the actuation extensions 13 can slide, so that the actuation extensions 13 are deflected radially from a circular arc line.
  • the walls of the influencing means 6 thus form control surfaces in order to control the movement of the actuating extension 13.
  • the wall of the storage volume 1 in the plane of rotation shown in FIG. 4 runs on a circular arc line.
  • the influencing means 6 form, so to speak, radially in the storage volume 1 protruding bulges.
  • the embodiment shown in Figure 6 is similar to the embodiment shown in Figures 3 to 5. It additionally has a conical section 17, so that the storage volume 1 is annular in the region immediately above the bottom, with a reduced radial distance of the two annular walls towards the bottom.
  • the actuating extensions 13 slide over the metering element 2 and are deflected radially out of their otherwise circular movement path in the region of the influencing means 6.
  • the pointing to the dosing element 2 ends of the actuating extensions 13 form scraping edges, which slide over the metering chambers 3 and help ensure that the metering chambers 3 are filled evenly with powder.
  • a device which is characterized by a stirrer 11 arranged in the storage volume 1 and rotatably drivable with at least one stirring arm 12 moving the powder 4.
  • a device which is characterized by the wall 5 of the storage volume 1 permanently associated motion influencing means 6, 16, with where the movement of the Rownarmes 12 or attached to the Rownarm 12 actuating extension 13 is influenced.
  • a device which is characterized in that the movement-influencing means 6, 16 are designed and arranged such that they cause a radial and / or axial movement deflection of the stirring arm 12 or of the actuating extension 13.
  • a device which is characterized in that the stirring arm 12 is elastically deformable and / or has an elastically deformable actuating extension 13, wherein the stirring arm 12 and / or the actuating extension 13 forms a scraping edge, the chambers over the metering 3 slides away.
  • a device which is characterized in that the agitator 11 has a helical gear and / or spirally extending stirring arm 12, wherein it is provided in particular that at one end of the Rchanarms 12 a movement extension 13 is arranged on the dosing rests.
  • a device which is characterized in that the agitator 11 has a sprocket 14.
  • a device which is characterized in that the actuating extension 13 is a particular leaf spring-like designed elastic element which is fixed in the radial direction, axial direction and / or Azimutalraum elastically formed on the paddle 12.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Abstract

L'invention concerne un dispositif d'alimentation d'une poudre dans un courant de fluide, comportant un élément de dosage (2) pouvant être entraîné en rotation autour d'un axe de rotation dans un volume de stockage (1) et comportant des chambres de dosage (3) ouvertes vers le volume de stockage (1), lesdites chambres de dosage (3) étant remplies de poudre (4) stockée dans le volume de stockage (1) pendant la rotation de l'élément de dosage (2) et étant vidées du flux de fluide à un endroit où elles se déversent. La poudre (4) est déplacée par un agitateur (11) entraîné en rotation et disposé dans le volume de stockage (1). Des moyens d'influence de mouvement (6, 16) sont associés à la paroi (5) du volume de stockage (1) et sont utilisés pour influencer le mouvement d'un bras agitateur (12) ou d'une saillie d'actionnement (13) fixée au bras agitateur (12) de telle manière qu'ils provoquent une déviation radiale et/ou axiale du mouvement du bras agitateur (12) ou de la saillie d'actionnement (13).
PCT/EP2018/067946 2017-07-04 2018-07-03 Dispositif permettant de dégager de manière commandée une poudre Ceased WO2019007955A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020207000161A KR20200026243A (ko) 2017-07-04 2018-07-03 분말의 조절된 투여를 위한 장치

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017114878.7A DE102017114878A1 (de) 2017-07-04 2017-07-04 Vorrichtung zur kontrollierten Abgabe eines Pulvers
DE102017114878.7 2017-07-04

Publications (1)

Publication Number Publication Date
WO2019007955A1 true WO2019007955A1 (fr) 2019-01-10

Family

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PCT/EP2018/067946 Ceased WO2019007955A1 (fr) 2017-07-04 2018-07-03 Dispositif permettant de dégager de manière commandée une poudre

Country Status (4)

Country Link
KR (1) KR20200026243A (fr)
DE (1) DE102017114878A1 (fr)
TW (1) TW201906666A (fr)
WO (1) WO2019007955A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017123233A1 (de) 2017-10-06 2019-04-11 Aixtron Se Vorrichtung und Verfahren zur Erzeugung eines in einem Trägergas transportierten Dampfes
CN111038840B (zh) * 2019-12-12 2021-05-14 绍兴市寅创科技有限公司 一种基于连杆联动原理且分体式设计的油漆桶
DE102020103822A1 (de) 2020-02-13 2021-08-19 Apeva Se Vorrichtung zum Verdampfen eines organischen Pulvers
DE102020110571A1 (de) 2020-04-17 2021-10-21 Apeva Se Pulverdosierer für einen Aerosolerzeuger
CN111771499B (zh) * 2020-07-03 2021-12-28 中天水土治理科技(山东)股份有限公司 一种智慧农业用物联网水肥一体机
USD1035601S1 (en) 2021-12-16 2024-07-16 Samsung Electronics Co., Ltd. Television receiver

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5172868A (en) * 1991-10-24 1992-12-22 Bunn-O-Matic Corporation Home coffee grinder
JPH09253476A (ja) 1996-03-26 1997-09-30 Ryobi Ltd 粉体供給装置
EP1702843A1 (fr) * 2005-03-14 2006-09-20 Harro Höfliger Verpackungsmaschinen GmbH Dispositif pour remplir des quantités prédéterminées de poudre
US20080283555A1 (en) * 2005-10-03 2008-11-20 Mettler-Toledo Ag Dosage-Dispensing Device For Substances In Powder-Or Paste Form
CN201512581U (zh) 2009-09-28 2010-06-23 沈阳航空工业学院 一种摆针式刮板同步送粉器
CN201511132U (zh) 2009-10-16 2010-06-23 沈阳航空工业学院 一种凸轮式振动螺旋同步送粉器
CN201737998U (zh) 2010-05-25 2011-02-09 宝山钢铁股份有限公司 一种多粉道送粉器
WO2015047544A1 (fr) * 2013-09-27 2015-04-02 United Technologies Corporation Dispositifs de distribution de poudre pulvérisée à froid avec mélange de poudre in situ

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE937767C (de) * 1941-12-16 1956-01-12 Draiswerke Gmbh Maschinen zum Mischen bzw. Kneten von vorzugsweise pastenfoermigen Massen
CH678717A5 (fr) * 1989-04-08 1991-10-31 Sandoz Ag
DE102009002630B4 (de) * 2009-04-24 2019-12-24 Robert Bosch Gmbh Vorrichtung zur Dosierung pulverförmiger Substanzen

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5172868A (en) * 1991-10-24 1992-12-22 Bunn-O-Matic Corporation Home coffee grinder
JPH09253476A (ja) 1996-03-26 1997-09-30 Ryobi Ltd 粉体供給装置
EP1702843A1 (fr) * 2005-03-14 2006-09-20 Harro Höfliger Verpackungsmaschinen GmbH Dispositif pour remplir des quantités prédéterminées de poudre
US20080283555A1 (en) * 2005-10-03 2008-11-20 Mettler-Toledo Ag Dosage-Dispensing Device For Substances In Powder-Or Paste Form
CN201512581U (zh) 2009-09-28 2010-06-23 沈阳航空工业学院 一种摆针式刮板同步送粉器
CN201511132U (zh) 2009-10-16 2010-06-23 沈阳航空工业学院 一种凸轮式振动螺旋同步送粉器
CN201737998U (zh) 2010-05-25 2011-02-09 宝山钢铁股份有限公司 一种多粉道送粉器
WO2015047544A1 (fr) * 2013-09-27 2015-04-02 United Technologies Corporation Dispositifs de distribution de poudre pulvérisée à froid avec mélange de poudre in situ

Also Published As

Publication number Publication date
TW201906666A (zh) 2019-02-16
KR20200026243A (ko) 2020-03-10
DE102017114878A1 (de) 2019-01-10

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