EP1186347A1 - Verfahren und Vorrichtung zum Zerstäuben von Flüssigkeiten - Google Patents

Verfahren und Vorrichtung zum Zerstäuben von Flüssigkeiten Download PDF

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Publication number
EP1186347A1
EP1186347A1 EP00810800A EP00810800A EP1186347A1 EP 1186347 A1 EP1186347 A1 EP 1186347A1 EP 00810800 A EP00810800 A EP 00810800A EP 00810800 A EP00810800 A EP 00810800A EP 1186347 A1 EP1186347 A1 EP 1186347A1
Authority
EP
European Patent Office
Prior art keywords
hollow cylinder
liquid
atomized
round hole
cylinder
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.)
Withdrawn
Application number
EP00810800A
Other languages
German (de)
English (en)
French (fr)
Inventor
Markus Nowotny
Guido Schär
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Priority to EP00810800A priority Critical patent/EP1186347A1/de
Priority to CA002356430A priority patent/CA2356430A1/en
Priority to US09/944,335 priority patent/US6651898B2/en
Priority to AU65594/01A priority patent/AU782291B2/en
Priority to DK01121120T priority patent/DK1186348T3/da
Priority to EP01121120A priority patent/EP1186348B1/de
Priority to JP2001265653A priority patent/JP4989827B2/ja
Priority to AT01121120T priority patent/ATE286433T1/de
Priority to DE50105013T priority patent/DE50105013D1/de
Priority to ES01121120T priority patent/ES2233538T3/es
Priority to KR1020010053995A priority patent/KR100759651B1/ko
Priority to NO20014302A priority patent/NO20014302L/no
Priority to MXPA01008943A priority patent/MXPA01008943A/es
Priority to BR0103891-5A priority patent/BR0103891A/pt
Priority to CNB011379847A priority patent/CN1180889C/zh
Priority to TW090122752A priority patent/TW527223B/zh
Publication of EP1186347A1 publication Critical patent/EP1186347A1/de
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/10Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces
    • B05B3/1007Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces characterised by the rotating member
    • B05B3/1021Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces characterised by the rotating member with individual passages at its periphery

Definitions

  • the invention further relates to methods for atomizing Spray cooling and spray drying a liquid under Use of a device of the type mentioned above.
  • the invention further relates to the use of a Device of the type mentioned above for the production of powders from solutions or dispersions, and preferably from Emulsions.
  • the invention is based on the object, a Device of the type specified above are available with which a narrow droplet size distribution can be achieved, the mean drop size at Spraying in a range of 50 to 500 microns, and preferably in a range of 100 to 350 microns should be.
  • the task is also the object of the invention based on a device of the type specified above To provide with which technically desired To achieve throughputs when atomizing the liquid and which one should work with low wear.
  • the Structure and dimensions of the hollow cylinder and the Round hole nozzles in its cylindrical wall should be chosen in this way be that an even distribution of the liquid and the temperature of this liquid in the hollow cylinder and in the round hole nozzles just mentioned is achieved, and that the round hole nozzles have a low tendency to clog exhibit.
  • the hollow cylinder should be light be assembled and disassembled, and the hollow cylinder as well the round hole nozzles should be easy to clean.
  • the invention is also based on the object of the method for atomization, spray cooling or spray drying a liquid with a device according to the invention to provide.
  • the invention is also based on the object advantageous use of a device according to the invention to specify for atomizing a liquid.
  • the object is achieved with a first device of the type specified above, which the in Claim 1 defined features.
  • the hollow cylinder screwed onto a co-rotating hollow shaft, which for Feeding the liquid to be atomized into the Hollow cylinder serves.
  • the hollow cylinder can therefore with little Effort can be assembled and disassembled, which takes the time reduced for maintenance work.
  • Through this and through the very simple structure and the small wall thickness of the Hollow cylinders are the hollow cylinder and the round hole nozzles easy to clean.
  • the latter means can e.g. a co-rotating Include hollow shaft 19, which can also be rotated by the drive 12 and which is e.g. via a pump with a Source of the liquid to be atomized, on the other hand with the hollow cylinder 11 or 21 is connected.
  • the hollow cylinder 11 or 21 can be used for all of the here purpose described mechanically machinable materials be produced, e.g. from a metal or a Plastic.
  • the electromechanical drive 12 enables the hollow Rotate cylinder 11 at a speed in one Range between 2000 and 20000 revolutions per minute and preferably between 3000 and 10000 revolutions per minute lies.
  • a first embodiment of an inventive The device has the basic structure described above 1 and contains a hollow cylinder 11 according to Figures 2-4.
  • the hollow cylinder 11 is open closed its bottom side with a bottom 13 and has an opening 15 on its upper side.
  • the cylindrical wall 16 of the hollow cylinder 11 a plurality of round hole nozzles 18 for Dispensing of the liquid to be atomized.
  • the hollow cylinder 11 is on its upper side with the co-rotating hollow shaft 19 separably connected, through which Liquid into the hollow cylinder 11 through the opening 15 can be introduced.
  • the hollow cylinder 11 is preferably on the rotating hollow shaft 19 can be screwed on. This has the Advantage that the hollow cylinder 11 without special tools is mountable or demountable.
  • the hollow cylinder 11 has a diameter that is between 10 and 25 millimeters.
  • Each of the round hole nozzles 18 in the cylindrical wall 16 of the hollow cylinder 11 has a hole diameter in one Range is between 0.05 and 1 millimeter, and the is preferably between 0.1 and 0.4 millimeters.
  • Each of the Round hole nozzles 18 in the cylindrical wall 16 of the hollow Cylinder 11 has a length / hole diameter ratio that is in a range between 1 and 50, and that is preferably between 2 and 10.
  • the design of the hollow cylinder 11 just described is by appropriate choice of the viscosity of the atomized Liquid, the throughput of the atomized Liquid, the speed and the diameter of the hollow Cylinder 11 a narrow drop size distribution through the Creation of laminar thread decay by droplets achievable, the mean drop size at Spraying between 50 and 500 microns and preferably is between 100 and 350 microns.
  • a second embodiment of an inventive The device also has the principle described above Structure according to Fig. 1, but contains instead of the hollow Cylinder 11 (according to Figures 1-3) of the first embodiment an arrangement according to Figures 5-9, which has a rotatable hollow cylinder 21 for receiving the atomized Contains liquid and an inlet pipe 31, which with the hollow cylinder 21 is rotatable and through which the atomizing liquid in the hollow cylinder 21 can be introduced.
  • the hollow cylinder 21 is open closed and has its bottom side with a bottom 23 an opening 25 on its upper side.
  • the cylindrical wall 26 of the hollow cylinder 11 a plurality of round hole nozzles 28 for Dispensing of the liquid to be atomized.
  • the hollow cylinder 21 is on its upper side with the co-rotating hollow shaft 19 separably connected, through which Liquid into the hollow cylinder 21 through the opening 25 can be introduced.
  • the hollow cylinder 21 is preferably on the rotating hollow shaft 19 can be screwed on. This has the Advantage that the hollow cylinder 21 without special tools is mountable or demountable.
  • the hollow cylinder 21 has a diameter that is between 10 and 60 millimeters, and preferably between 20 and 40 millimeters.
  • Each of the round hole nozzles 28 in the cylindrical wall 26 of the hollow cylinder 21 has a hole diameter that between 0.05 and 1 millimeter and preferably between 0.1 and 0.4 Millimeter.
  • Each of the round hole nozzles 28 in the cylindrical wall 26 of the hollow cylinder 21 has a Ratio length / hole diameter, which is between 1 and 50 and is preferably between 2 and 10.
  • the inlet pipe 31 is arranged in the cylinder 21 so that the longitudinal axis 34 of the inlet pipe 31 with the axis of rotation 27 of the hollow cylinder 21 coincides and the inlet pipe 31 along the axis of rotation 27 of the hollow cylinder 21 extends.
  • the inlet 32 of the inlet pipe 31 is with the opening 25 of the hollow cylinder 21 and thereby with the source of the atomizing liquid.
  • the outlet 33 of the inlet pipe 31 is inside the hollow Cylinder 21 and arranged in its end region in which the Bottom of the hollow cylinder is.
  • the outlet 33 of the inlet pipe 31 is the inside of the Facing cylinder wall 26, the distance between this Exit 33 and the inside of the cylinder bottom 23 a lot smaller than the distance between this output 33 and the Opening 25 of the hollow cylinder 21 is.
  • the distance between the outlet 33 of the inlet pipe 31 and the inside of the cylinder base 23 is preferably between 1 and 20 millimeters.
  • the cylindrical Side wall 35 of the inlet pipe 31 other than that mentioned above Exit 33 has multiple openings, all of these openings in the axial direction between its entrance 32 and its Output 33 are arranged.
  • FIG. 10 The apparatus structure required for this is shown schematically in FIG. 10.
  • This structure includes, for example: a stacking container 41, a feed pump 42, a filter 43, a temperature-conditioned feed line 44, a spray container 45, a spray device 46, a product discharge line 47, and possibly a supply line 48 for necessary auxiliaries such as silica, starch, cold / warm air or others aids.
  • the mesh size of the filter 43 is in function of Hole diameter of the round hole nozzles 18 and 28 selected.
  • Hole diameter in a range between 0.05 and 1 Millimeter is e.g. a filter 43 with a mesh size in a range between 50 and 1000 microns is selected.
  • For Hole diameter in a range between 0.1 and 0.4 A filter 43 with a Mesh size in a range between 100 and 400 Micrometer selected.
  • the emulsion is stored in the stacking container 41 at 60 ° C. Via the feed pump 42, the emulsion, with a dry matter of approx. 45-50%, is conveyed through the filter 43, with a typical mesh size 100-300 micrometers, to the spray device 46. The emulsion is atomized into the spray container 45 via the spray device 46 described. The ambient temperature in the spray container 45 is 20 ° C. At the same time, the required auxiliary substances 8 are metered into the spray container 45.
  • a powder results at the outlet 47 of the spray container 45 with an average particle size of 200-250 microns.

Landscapes

  • Nozzles (AREA)
  • Glanulating (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Colloid Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
EP00810800A 2000-09-05 2000-09-05 Verfahren und Vorrichtung zum Zerstäuben von Flüssigkeiten Withdrawn EP1186347A1 (de)

Priority Applications (16)

Application Number Priority Date Filing Date Title
EP00810800A EP1186347A1 (de) 2000-09-05 2000-09-05 Verfahren und Vorrichtung zum Zerstäuben von Flüssigkeiten
CA002356430A CA2356430A1 (en) 2000-09-05 2001-08-30 Method and device for atomizing liquids
US09/944,335 US6651898B2 (en) 2000-09-05 2001-08-31 Method and device for atomizing liquids
AU65594/01A AU782291B2 (en) 2000-09-05 2001-08-31 Method and device for atomizing liquids
DK01121120T DK1186348T3 (da) 2000-09-05 2001-09-03 Fremgangsmåde og indretning til forstövning af væsker
EP01121120A EP1186348B1 (de) 2000-09-05 2001-09-03 Verfahren und Vorrichtung zum Zerstäuben von Flüssigkeiten
JP2001265653A JP4989827B2 (ja) 2000-09-05 2001-09-03 中空の円筒を使って液体を霧状にする装置
AT01121120T ATE286433T1 (de) 2000-09-05 2001-09-03 Verfahren und vorrichtung zum zerstäuben von flüssigkeiten
DE50105013T DE50105013D1 (de) 2000-09-05 2001-09-03 Verfahren und Vorrichtung zum Zerstäuben von Flüssigkeiten
ES01121120T ES2233538T3 (es) 2000-09-05 2001-09-03 Procedimiento y dispositivo para la pulverizacion de liquidos.
KR1020010053995A KR100759651B1 (ko) 2000-09-05 2001-09-04 액체 분무 방법 및 장치
NO20014302A NO20014302L (no) 2000-09-05 2001-09-04 Fremgangsmåte og anordning for atomisering av v¶sker
MXPA01008943A MXPA01008943A (es) 2000-09-05 2001-09-04 Dispositivo para atomizar liquidos.
BR0103891-5A BR0103891A (pt) 2000-09-05 2001-09-05 Método e dispositivo para atomização de lìquidos
CNB011379847A CN1180889C (zh) 2000-09-05 2001-09-05 雾化液体的设备及其用途以及喷雾冷却和干燥液体的方法
TW090122752A TW527223B (en) 2000-09-05 2001-09-13 Method and device for atomizing liquids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00810800A EP1186347A1 (de) 2000-09-05 2000-09-05 Verfahren und Vorrichtung zum Zerstäuben von Flüssigkeiten

Publications (1)

Publication Number Publication Date
EP1186347A1 true EP1186347A1 (de) 2002-03-13

Family

ID=8174890

Family Applications (2)

Application Number Title Priority Date Filing Date
EP00810800A Withdrawn EP1186347A1 (de) 2000-09-05 2000-09-05 Verfahren und Vorrichtung zum Zerstäuben von Flüssigkeiten
EP01121120A Expired - Lifetime EP1186348B1 (de) 2000-09-05 2001-09-03 Verfahren und Vorrichtung zum Zerstäuben von Flüssigkeiten

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP01121120A Expired - Lifetime EP1186348B1 (de) 2000-09-05 2001-09-03 Verfahren und Vorrichtung zum Zerstäuben von Flüssigkeiten

Country Status (15)

Country Link
US (1) US6651898B2 (zh)
EP (2) EP1186347A1 (zh)
JP (1) JP4989827B2 (zh)
KR (1) KR100759651B1 (zh)
CN (1) CN1180889C (zh)
AT (1) ATE286433T1 (zh)
AU (1) AU782291B2 (zh)
BR (1) BR0103891A (zh)
CA (1) CA2356430A1 (zh)
DE (1) DE50105013D1 (zh)
DK (1) DK1186348T3 (zh)
ES (1) ES2233538T3 (zh)
MX (1) MXPA01008943A (zh)
NO (1) NO20014302L (zh)
TW (1) TW527223B (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1186347A1 (de) * 2000-09-05 2002-03-13 F. Hoffmann-La Roche Ag Verfahren und Vorrichtung zum Zerstäuben von Flüssigkeiten
JP4865989B2 (ja) * 2002-02-01 2012-02-01 ベンド・リサーチ・インコーポレーテッド 改良された噴霧乾燥装置を使用する均質な噴霧乾燥された固体の非晶質薬物分散物を製造する方法
US7037535B2 (en) * 2002-11-19 2006-05-02 Kimberly-Clark Worldwide, Inc. Method and composition for neutralizing house dust mite feces
CL2004001884A1 (es) * 2003-08-04 2005-06-03 Pfizer Prod Inc Procedimiento de secado por pulverizacion para la formacion de dispersiones solidas amorfas de un farmaco y polimeros.
WO2008080037A2 (en) * 2006-12-21 2008-07-03 Isp Investments Inc. Carotenoids of enhanced bioavailability
KR100839464B1 (ko) * 2007-04-06 2008-06-19 송유천 혼합수 분사장치
KR100784464B1 (ko) * 2007-06-27 2007-12-11 (주)건우기술 워터젯 시스템의 분사노즐 회전장치
CN108970157B (zh) * 2018-08-08 2021-04-09 江西邦诚动物药业有限公司 非接触加热喷雾干燥装置
CN112976760A (zh) * 2019-12-02 2021-06-18 杭州特种纸业有限公司 一种特种纸施胶复合机

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3241948A (en) * 1964-10-16 1966-03-22 Reynolds Metals Co Aluminous metal particles
US3900164A (en) * 1973-03-08 1975-08-19 Norsk Hydro As Means for feeding fluid materials to a prilling bucket

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2954038A (en) * 1958-05-28 1960-09-27 Jack L Girard Spinner for cleaning tanks
US2986338A (en) * 1959-08-03 1961-05-30 Crutcher Rolfs Cummings Inc Spray coating applicator
US4030513A (en) * 1975-11-05 1977-06-21 Babson Bros. Co. Tank washer
US4147766A (en) * 1976-06-09 1979-04-03 Armour Pharmaceutical Company Macrospherical particles of anti-perspirants
US4218409A (en) * 1977-02-07 1980-08-19 Eastman Kodak Company Encapsulating method
CA1101017A (en) * 1977-09-14 1981-05-12 Edward J. Bals Rotary atomiser with stacked cones
US4407217A (en) * 1982-03-29 1983-10-04 Jaybee Engineering Pty. Limited Distribution and treatment means
JPH0729042B2 (ja) * 1987-10-29 1995-04-05 雪印乳業株式会社 噴霧方式によるマイクロカプセルの製造方法
JP2690781B2 (ja) * 1989-05-30 1997-12-17 大川原化工機株式会社 2流体噴霧ノズル機構
JPH05154425A (ja) * 1991-12-09 1993-06-22 Kobe Steel Ltd 微小液滴の生成方法および装置
JPH0760165A (ja) * 1993-08-31 1995-03-07 Fujikusu Kk 回転噴射ノズル
US5752657A (en) * 1996-03-29 1998-05-19 Loctite Corporation Rotating fluid wide band applicator
DE19629753A1 (de) * 1996-07-23 1998-01-29 Basf Ag Verfahren zur Herstellung von festen Arzneiformen
JPH10155876A (ja) * 1996-11-28 1998-06-16 Kitty:Kk 耐酸性の有用生菌粒状物及びその製造方法
JPH1119537A (ja) * 1997-06-30 1999-01-26 Aiwa Co Ltd 液体微細化装置、空気清浄装置、マイナスイオン発生装置及び加湿器
JP2000185229A (ja) * 1998-12-22 2000-07-04 Chiyoda Corporation:Kk 水溶性物質を含有するマイクロカプセル
DE60020732T2 (de) * 1999-12-20 2006-05-11 Kerkhof, Nicholas J., Rio Vista Verfahren zur herstellung von nanometer partikeln durch fliessbett- sprühtrocknung
EP1186347A1 (de) * 2000-09-05 2002-03-13 F. Hoffmann-La Roche Ag Verfahren und Vorrichtung zum Zerstäuben von Flüssigkeiten

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3241948A (en) * 1964-10-16 1966-03-22 Reynolds Metals Co Aluminous metal particles
US3900164A (en) * 1973-03-08 1975-08-19 Norsk Hydro As Means for feeding fluid materials to a prilling bucket

Also Published As

Publication number Publication date
AU782291B2 (en) 2005-07-14
EP1186348A1 (de) 2002-03-13
BR0103891A (pt) 2002-04-23
DE50105013D1 (de) 2005-02-10
US20020043571A1 (en) 2002-04-18
CA2356430A1 (en) 2002-03-05
US6651898B2 (en) 2003-11-25
KR20020019402A (ko) 2002-03-12
TW527223B (en) 2003-04-11
ES2233538T3 (es) 2005-06-16
JP4989827B2 (ja) 2012-08-01
NO20014302D0 (no) 2001-09-04
NO20014302L (no) 2002-03-06
ATE286433T1 (de) 2005-01-15
JP2002143725A (ja) 2002-05-21
DK1186348T3 (da) 2005-05-17
MXPA01008943A (es) 2005-09-05
CN1345634A (zh) 2002-04-24
EP1186348B1 (de) 2005-01-05
AU6559401A (en) 2002-03-07
KR100759651B1 (ko) 2007-09-17
CN1180889C (zh) 2004-12-22

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