[go: up one dir, main page]

WO2018177974A2 - Doseur de poudre - Google Patents

Doseur de poudre Download PDF

Info

Publication number
WO2018177974A2
WO2018177974A2 PCT/EP2018/057584 EP2018057584W WO2018177974A2 WO 2018177974 A2 WO2018177974 A2 WO 2018177974A2 EP 2018057584 W EP2018057584 W EP 2018057584W WO 2018177974 A2 WO2018177974 A2 WO 2018177974A2
Authority
WO
WIPO (PCT)
Prior art keywords
metering
projections
dosieraussparungen
recesses
dosing
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/EP2018/057584
Other languages
German (de)
English (en)
Other versions
WO2018177974A3 (fr
Inventor
Karl-Heinz Trimborn
Andy Eichler
Michael Long
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 CN201880020878.8A priority Critical patent/CN110461479A/zh
Priority to KR1020197029444A priority patent/KR20190133181A/ko
Publication of WO2018177974A2 publication Critical patent/WO2018177974A2/fr
Publication of WO2018177974A3 publication Critical patent/WO2018177974A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/14—Spraying 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
    • B05B7/1404—Arrangements for supplying particulate material
    • B05B7/144—Arrangements for supplying particulate material the means for supplying particulate material comprising moving mechanical means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00—Apparatus 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
    • G01F11/003—Apparatus 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 for fluent solid material

Definitions

  • the invention relates to a device for the quantized dispensing of a powder having a first metering recesses, about a rotational axis in a housing rotatably driven metering element with a Behellungsvolu- men, in which the metering recesses are filled with the powder, wherein at a discharge point means for generating a fluid flow are provided, with which the powder from the first Dosieraussparungen is conveyed into an outlet volume.
  • a metering device for the quantified delivery of a powder is described in CN 201737998 U.
  • a housing of the device described therein is a rotatable disc having on a circular arc around the axis of rotation of the disc a plurality of metering orifices, each having a circular diameter.
  • the housing has a filling volume, into which a powder can be fed.
  • the Dosieraussparungen are open to the filling volume, so that the powder can enter the Dosieraussparungen.
  • the disk-shaped metering element rotates on a bearing surface so that the powder can not escape from the Dosieraussparonne.
  • the filled metering recesses are conveyed to a removal point in which a fluid flow, for example a gas flow, blows the powder out of the metering recesses into an exit volume.
  • a fluid flow for example a gas flow
  • the powder can be added to a gas stream, so that an aerosol is formed.
  • the object of the invention is to develop a generic metering device with regard to the reproducible delivery rate and to reduce the spread of particle flow.
  • the flow rate is variable, wherein the flow rate corresponds to a particle flow at which the per unit time funded particle volume should be kept as constant as possible and should have a small time spread .
  • the metering element rotates about a rotation axis, the first metering recesses first passing through a filling volume in which the particles fill the first metering recesses.
  • the filled Dosieraussparungen be further rotated to a removal position.
  • means are provided which generate a fluid flow, for example a liquid flow or a gas flow, which passes through the first metering recesses in order to convey the powder out of the first metering recesses into an exit volume by means of the fluid flow.
  • the dosage element is formed by a circular disk in which the edge is open towards the edge first Dosieraussparungen have the same radial distance from each other to the axis of rotation of the circular disk.
  • the fluid flow crosses the plane of rotation of the metering element in order to convey the powder particles out of the metering recess.
  • the metering element is surrounded by a ring element.
  • the dosing recesses formed by the dosing element can each extend between projections, wherein the projections form free ends which lie on a circular arc line which extends around the center of rotation of the dosing element.
  • the surfaces of the Dosieraussparungen may be part of a circle, an oval, an ellipse or a polygonal surface.
  • all metering recesses are designed the same.
  • the metering recesses may also have mutually different shapes, for example circular shapes with different diameters or generally areas with different surface area. They may be equidistant from each other in the circumferential direction.
  • the distances of the individual Dosieraussparungen can also vary in the circumferential direction.
  • a non-symmetrical arrangement of the metering recesses may be advantageous so that the metering recesses are optimally filled with powder during the rotational movement of the metering element.
  • the free ends of the projections preferably have a distance to the housing or to the ring element surrounding the dosing element, wherein the distance forms a gap in which particles of the powder can be located.
  • the ring element has in the radial inward direction open second metering recesses.
  • the first and second Dosieraussparonne may be formed equal to each other and each separated from projections.
  • the Dosieraussparonne are formed by in the plane of rotation extending wells, wherein the first Dosierausspareptept radially inwardly directed wells and the second Dosieraussparonne are radially outwardly directed Mulden.
  • the Dosieraussparines are to the two broad sides of the Dosieriatas or the ring element open.
  • the azimuthal spacings of the projections of the ring element and the azimuthal projections of the metering element correspond to each other, so that in a certain rotational position, the projections of the ring element radially opposite to the projections of the metering element. In this rotational position preferably complement the surfaces of the first and second Dosieraussparung to circular surfaces.
  • the adjacent circular surfaces are preferably spatially interconnected, since the free ends of the respective opposite projections are slightly spaced from each other.
  • the projections of the metering element pass the projections of the ring element and pass through the second metering recesses.
  • the diameter of the circular shape, which each form approximately semicircular Dosieraussparungen is preferably at least three times as large as the axial height of Dosieraussparungen, the axial height of Dosieraussparung is the thickness of the Dosierele- mentes defined in the dosing.
  • the axial height of the second metering recess substantially corresponds to the axial height of the first metering recess.
  • the metering element and the ring element are therefore preferably formed by thin-walled bodies.
  • the material thickness of the body is preferably 0.5 mm.
  • a preferred range of the material thickness is between 0.1 mm and 1 mm.
  • the volume of the complementary to a circular shape first and second Dosieraussparung is about
  • a preferred range of the cross-sectional area of a Dosieraussparung is in the range between 0.002 mm 2 and 0.05 mm 2 .
  • the surfaces may be semicircular surfaces.
  • the fluid flow used to remove the particles from the metering recess is preferred generated by a gas flow which flows through a gas inlet channel which extends parallel to the axis of rotation of the metering element.
  • an axial fluid flow is generated which flows through the metering recesses in the axial direction in order to convey the particles contained therein into an outlet channel which is aligned with the gas inlet channel and opens into the outlet volume. Through the outlet volume, another gas flow can flow.
  • Fig. 1 schematically in a plan view of a circular disc-shaped
  • Dosing element 3 whose arranged at the edge 3 'Dosieraussparungen 6 and a dosing element 3 surrounding ring element 5,
  • FIG. 3 a representation according to FIG. 2 in a second rotational position of the metering element 3, in which projections 8 of the metering element 3 radially opposite projections 9 of the ring element 5,
  • FIG. 4 shows schematically a section according to the line IV-IV in Figure 3, 5 perspective and partially broken the embodiment shown in Figure 4,
  • Fig. 6 enlarges a further perspective view of the embodiment.
  • a circular disk-shaped metering element 3 which can be rotationally driven about a rotation axis 4 by a rotary drive (not shown).
  • Dosieraussparept 6 are arranged in the manner of an external toothing, wherein adjacent Dosieraussparept 6 are separated from projections 8 from each other.
  • the projections 8 have a free end directed away from the axis of rotation 4.
  • the edges of the Dosieraussparept 6 extend on semicircular floor plans, so that the Dosierausspareptept 6 have approximately a semicircular shape.
  • the disc-shaped metering element 3 has a material thickness of about 1 mm.
  • the distances of the projections 8 are shown greatly enlarged in the drawings. Preferably, the distance between two adjacent
  • the diameter is less than 0.3 mm.
  • the volume of the circular cylinder used for dosing Forming 6 is preferably less than 1 mm 3 and preferably less than 0.01 mm 3 .
  • the metering element 3 is surrounded by a ring element 5.
  • the ring member 5 is fixedly connected to the housing 1 and lies in the same plane in which the metering element 3 is located.
  • the ring element 5 preferably has the same material thickness as the metering element 3.
  • the ring element 5 has on its radially inner edge in the manner of a toothing second Dosieraussparitch 7.
  • the metering element 3 thus forms first Dosieraussparitch 6, which opposite the second Dosieraussparitch 7. From Figure 3 it can be seen that the first Dosieraussparung 6 and the second Dosieraussparung 7 complement each other to a circular shape.
  • Two mutually spaced circular, each formed by a first Dosieraussparung 6 and a second Dosieraussparung 7 cavities are interconnected by a gap 10, wherein the gap 10 is formed by the distances between the two projections 8, 9, the first Dosieraussparungen 6 and separate the second metering recesses 7 from the respectively adjacent first metering recess 6 and the second metering recess 7.
  • a sheet metal of about 1 mm thickness can be made, which is brought into a circular shape.
  • this circular plate bores are produced along the edge, which are slightly spaced from each other.
  • a suitable cutting tool for example a laser beam or a water jet, the webs between the two circular openings are then separated so that first semicircular metering recesses 6 and second semicircular metering recesses 7 are formed which are separated from each other by protrusions 8, 9 , where the Gap 10 is generated when separating the webs.
  • a preferred method for producing the metering elements 3 and 5 uses laser cutting, in which edge-side recesses are introduced into a preferably 0.5 mm thick sheet with a fine laser beam so as to produce the metering recesses 6 and 7.
  • Dosieraussparungen can be made with almost any surface shape, so not only the semi-circular shapes shown in the drawings, but also polygonal shapes, elliptical shapes or oval shapes.
  • the holes are placed so close together that they overlap each other and a separation of webs is not required.
  • the figure 4 shows a roughly schematically a cross section along the line IV-IV in Figure 3.
  • the radially outer portion of the ring member 5 is fixed to a housing wall 2 of the housing 1.
  • the circular disk-shaped metering element 3 rotates on a flat bearing surface 17, which closes the first metering recesses 6 towards the bottom.
  • a filling volume 14 which is filled from above with a powder, the first Dosieraussparungen 6 are open at the top, so that the powder can enter the Dosieraussparungen 6.
  • a tube 16 which forms a gas inlet channel 19 through which a gas stream can pass.
  • the mouth of the tube is located axially above the first and second metering recesses 6, 7.
  • the opening of the tube 16 is in alignment with a second metering recess 7 or extends on a circular surface which corresponds to the circular surface of the two Dosieraussparungen 6, 7 corresponds, so that with the gas flow, the particles can be blown out of the Dosieraussparungen 6, 7.
  • a second metering recess 7 or extends on a circular surface which corresponds to the circular surface of the two Dosieraussparungen 6, 7 corresponds, so that with the gas flow, the particles can be blown out of the Dosieraussparungen 6, 7.
  • an outlet channel 12 which opens into an outlet volume 13.
  • the gas stream flowing through the gas inlet channel 19 dissolves the particles from the metering recesses 6, 7 and thereby forms an aerosol stream.
  • the free ends of the projections 8 migrate past the free ends of the projections 9.
  • the second metering recesses 7 then pass through this movement.
  • the particles lying in the metering recesses 6 are partly entrained, but some are also introduced into the second metering recesses 7, so that vortexes form there.
  • the particles located in the metering recesses 7 partly remain in the second metering recesses 7. In some cases, however, they are also conveyed out of the second metering recesses 7.
  • toothed edges of a metering element 3 and of a ring element 5 oppose each other, the toothings being spaced apart in the radial direction and the distance being less than the radius of the circle whose outline defines the contour lines of the first and second metering recesses.
  • the metering element 3 slides during its rotational movement about the axis of rotation 4 via a flat bearing surface 17.
  • a spring element 20 is provided, which Ches the metering element 3 applied in the direction of the flat bearing surface 17.
  • a device which is characterized in that the Dosieraussparonne 6 extend between projections 8, which are spaced with a gap 10 from the housing 1 or a housing-fixed ring elements 5.
  • a device which is characterized in that the metering element 3 is surrounded by a ring element 5, which has open in Radialeinrichcardi second Dosieraussparungen 7, wherein the ring member 5 is associated in particular stationary in the housing 1.
  • a device which is characterized in that the ends of the mutually directed projections 8, 9 in the radial direction at a distance 10 from each other.
  • a device characterized in that the axial height of the first and second Dosieraussparitch 6, 7 is the same.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Basic Packing Technique (AREA)
  • Measuring Volume Flow (AREA)
  • Medicinal Preparation (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

L'invention concerne un dispositif de distribution d'une quantité définie d'une poudre, comportant un premier élément de dosage (3) présentant de premiers évidements de dosage (6) et pouvant être entraîné en rotation dans un boîtier (1) autour d'un axe de rotation (4), et comportant un volume de remplissage (14) dans lequel les évidements de dosage (6) peuvent être remplis de poudre. En un point de vidage (11) sont agencés des moyens (19) de production d'un écoulement de fluide qui permet de refouler la poudre hors des premiers évidements de dosage (6) vers un volume de sortie (13). Les premiers évidements de dosage (6) sont ouverts en direction d'un bord (3') de l'élément de dosage (3). L'élément de dosage (3) est entouré par un élément annulaire (5) qui présente de seconds évidements de dosage (7) ouverts radialement vers l'avant, l'élément annulaire (5) étant associé à demeure au boîtier (1).
PCT/EP2018/057584 2017-03-27 2018-03-26 Doseur de poudre Ceased WO2018177974A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201880020878.8A CN110461479A (zh) 2017-03-27 2018-03-26 粉末配料器
KR1020197029444A KR20190133181A (ko) 2017-03-27 2018-03-26 분말 계량 장치

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017106500.8A DE102017106500A1 (de) 2017-03-27 2017-03-27 Pulverdosierer
DE102017106500.8 2017-03-27

Publications (2)

Publication Number Publication Date
WO2018177974A2 true WO2018177974A2 (fr) 2018-10-04
WO2018177974A3 WO2018177974A3 (fr) 2018-11-22

Family

ID=61827729

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/057584 Ceased WO2018177974A2 (fr) 2017-03-27 2018-03-26 Doseur de poudre

Country Status (5)

Country Link
KR (1) KR20190133181A (fr)
CN (1) CN110461479A (fr)
DE (1) DE102017106500A1 (fr)
TW (1) TW201902579A (fr)
WO (1) WO2018177974A2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017119565A1 (de) 2017-08-25 2019-02-28 Aixtron Se Vorrichtung und Verfahren zum Fördern eines Pulvers, insbesondere als Komponente einer Beschichtungseinrichtung
DE102017123233A1 (de) 2017-10-06 2019-04-11 Aixtron Se Vorrichtung und Verfahren zur Erzeugung eines in einem Trägergas transportierten Dampfes
DE102019110036A1 (de) * 2019-04-16 2020-10-22 Apeva Se Vorrichtung und Verfahren zum Erzeugen eines in einem Fluidstrom geförderten Pulvers
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
DE102020123764A1 (de) 2020-09-11 2022-03-17 Apeva Se Verfahren zum Erzeugen eines zeitlich konstanten Dampfflusses sowie Verfahren zum Einstellen eines Arbeitspunktes einer Vorrichtung zum Erzeugen eines Dampfes

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5615830A (en) 1993-12-17 1997-04-01 Nordson Corporation Apparatus and method for supply and transport of powder particles
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

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3193155A (en) * 1963-02-28 1965-07-06 Dairy Equipment Co Feeding or dispensing apparatus for ground, granular or pelletized feeds or the like
US3997433A (en) * 1975-07-18 1976-12-14 Liu Benjamin Y H Method and apparatus for generating dry dust particles
DE3432316A1 (de) * 1984-09-03 1986-03-13 Hoechst Ag, 6230 Frankfurt Zellenradschleuse
FR2575825B1 (fr) * 1985-01-04 1987-04-17 Saint Gobain Vitrage Procede et dispositif pour le dosage de matieres pulverulentes
US4906144A (en) * 1988-11-04 1990-03-06 Sanko Air Plant, Ltd. Eccentric rotary feeder and pressurized pneumatic conveying system
DE4001706A1 (de) * 1990-01-22 1991-07-25 Foerster Martin Dipl Ing Fh Dosiereinrichtung
FR2667509B1 (fr) * 1990-10-04 1995-08-25 Valois Inhalateur a poudre, dispositif de conditionnement de microdoses de poudre sous forme de bandes adaptees a etre utilisees dans un inhalateur a poudre, et procede de fabrication de ces bandes.
DE19731975C2 (de) * 1997-07-24 2003-08-07 Koeppern & Co Kg Maschf Verfahren zum Verhindern des Anhaftens von zu briketierendem Gut an einer Walzenoberfläche und Brikettierwalzenpresse
DE19757208A1 (de) * 1997-12-22 1999-06-24 Alfred Von Schuckmann Vorrichtung zum Inhalieren pulverförmiger Substanzen
US6139913A (en) * 1999-06-29 2000-10-31 National Center For Manufacturing Sciences Kinetic spray coating method and apparatus
AU2001283546A1 (en) * 2000-08-14 2002-02-25 Advanced Inhalation Research, Inc. Inhalation device and method
DE102004021850B4 (de) * 2004-05-04 2015-08-27 Sulzer Metco Ag Pulverförderer zum thermischen Spritzen
JP2005319380A (ja) * 2004-05-07 2005-11-17 Fuji Photo Film Co Ltd 成膜方法及び成膜装置
EP1728741B1 (fr) * 2005-05-31 2009-09-30 I.S.T. Industrie Service Technologie Beratungs-und Beteiligungsgesellschaft mbh Installation de convoyage pneumatique d 'un produit pulvérulent ou granuleux dans un conduit
CN201136896Y (zh) 2007-11-07 2008-10-22 天津三星电子有限公司 载气式鼓轮送粉器
US9427756B2 (en) * 2015-02-03 2016-08-30 Viacheslav E. Baranovski Powder feed assembly for an enriched air flame spray apparatus and associated method
CN107614038B (zh) * 2015-04-15 2021-04-20 菲利普莫里斯生产公司 具有部分剂量输送的干粉吸入器
CN106638429B (zh) * 2016-12-28 2019-01-04 浙江瑞邦智能装备股份有限公司 一种适应任意角度转轴的转动角度指示工具、抑尘车

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5615830A (en) 1993-12-17 1997-04-01 Nordson Corporation Apparatus and method for supply and transport of powder particles
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

Also Published As

Publication number Publication date
TW201902579A (zh) 2019-01-16
CN110461479A (zh) 2019-11-15
KR20190133181A (ko) 2019-12-02
WO2018177974A3 (fr) 2018-11-22
DE102017106500A1 (de) 2018-09-27

Similar Documents

Publication Publication Date Title
WO2018177974A2 (fr) Doseur de poudre
DE69528912T2 (de) Inhalator
EP2678646B1 (fr) Dispositif de dosage de matières pulvérulentes
EP2786649A2 (fr) Unité de dosage pour une machine de répartition et machine de répartition équipée d'une telle unité de dosage
DE102010038279A1 (de) Vorrichtung und Verfahren zur Probennahme
EP1395358A1 (fr) Dispositif pour traiter une matiere particulaire
DE1908822A1 (de) Dosiervorrichtung fuer pulverfoermige Stoffe
DE2416398C2 (de) Vibratorturbine
EP3102332A1 (fr) Broyeur-agitateur à billes
WO2019007955A1 (fr) Dispositif permettant de dégager de manière commandée une poudre
EP3374010A2 (fr) Inhalateur pouvant être actionné manuellement
DE3831256C1 (fr)
DE69418304T2 (de) Pneumatischer Vibrator
EP2011382A2 (fr) Machine à semer
DE60021567T2 (de) Schleuse zum entladen von schüttgut
DE10322475A1 (de) Vorrichtung zum Puffern und Vereinzeln von pharmazeutischen Behältnissen
DE2542886A1 (de) Vorrichtung zur pulverfoerderung bei einer einrichtung zur kristallzuechtung nach verneuil
DE1750561B2 (de) Trommelfoermig gestaltete spiralduese zum zerstaeuben verunreinigter fluessigkeiten
EP2314143B1 (fr) Epandeur centrifuge
DE102019110036A1 (de) Vorrichtung und Verfahren zum Erzeugen eines in einem Fluidstrom geförderten Pulvers
EP3562747B1 (fr) Dispositif de dosage de matière de remplissage pulvérulente et de remplissage de récipients avec celle-ci
DE3202361C2 (fr)
DE19831870C2 (de) Vorrichtung zur Maischezuführung
WO2010007057A1 (fr) Dispositif et procédé destinés à retirer des fluides et/ou des solides
EP3339817B1 (fr) Dispositif de dosage pour substances en poudre

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18714217

Country of ref document: EP

Kind code of ref document: A2

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 20197029444

Country of ref document: KR

Kind code of ref document: A

122 Ep: pct application non-entry in european phase

Ref document number: 18714217

Country of ref document: EP

Kind code of ref document: A2