WO2005023431B1 - Atomization technique for producing fine particles - Google Patents
Atomization technique for producing fine particlesInfo
- Publication number
- WO2005023431B1 WO2005023431B1 PCT/US2004/029089 US2004029089W WO2005023431B1 WO 2005023431 B1 WO2005023431 B1 WO 2005023431B1 US 2004029089 W US2004029089 W US 2004029089W WO 2005023431 B1 WO2005023431 B1 WO 2005023431B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- atomizer
- atomizing
- atomized
- liquefying
- atomizing fluid
- Prior art date
Links
- 238000000889 atomisation Methods 0.000 title claims abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 239000010419 fine particle Substances 0.000 title 1
- 239000012530 fluid Substances 0.000 claims abstract 33
- 239000000289 melt material Substances 0.000 claims abstract 32
- 230000001133 acceleration Effects 0.000 claims abstract 12
- 239000000463 material Substances 0.000 claims 39
- 239000007788 liquid Substances 0.000 claims 17
- 238000010438 heat treatment Methods 0.000 claims 14
- 230000001590 oxidative Effects 0.000 claims 4
- 238000006243 chemical reaction Methods 0.000 claims 2
- 238000010891 electric arc Methods 0.000 claims 2
- 230000001939 inductive effect Effects 0.000 claims 2
- 239000007787 solid Substances 0.000 claims 2
- 241000349731 Afzelia bipindensis Species 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 239000011344 liquid material Substances 0.000 abstract 2
- 239000000155 melt Substances 0.000 abstract 2
- 230000002708 enhancing Effects 0.000 abstract 1
- 230000005484 gravity Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
Abstract
This disclosure relates to a novel process for atomizing a liquid material or a mixture of liquid materials. More specifically, this disclosure advances the art by utilizing the inertial forces created in an elevated acceleration environment to further miniaturize and enhance the characteristics of particles resulting from atomization. The key to this disclosure is to subject a melt material to an elevated acceleration and pass a fluid over the surface of the melt. The purpose of the elevated acceleration is to elevate the relative importance of gravitational forces in the melt thus miniaturizing any gravity influenced disturbance.
Claims
1. An atomizer system comprising: a melt material to be atomized; a containment portion for securing the melt material; a unit which accelerates the melt material such that the melt material experiences an acceleration force higher than Earth's standard gravitational force; and atomizing fluid that flows across an exposed surface of the melt material; wherein the containment portion and the unit which accelerates the melt material are operative to prevent the melt material from being ejected from the containment portion due to the acceleration force; and wherein, while the melt material is experiencing the acceleration force, liquid droplets of the melt material become entrained in the atomizing fluid flowing across the exposed surface of the material such that at least some of the liquid droplets aerosolize and are ejected from the containment portion.
2. The atomizer system of claim 1 further means for introducing relative motion between the containment portion and the melt material.
3. The atomizer system of claim 1 wherein the melt material is rotated about more than one axis.
53
4. The atomizer system of claim 1 wherein the melt material is introduced into the containment portion as a liquid as the containment portion is being moved by the unit which accelerates the melt material.
5. (Canceled)
6. The atomizer system of claim 1 wherein the unit accelerating the meli material is a centrifuge.
7. The atomizer system of claim 1 further comprising a source of vibration to introduce disturbances within the melt material.
8. The atomizer system of claim I wherein the flow of atomization fluid is continuous.
9. The atomizer system of claim 1 wherein the containment portion is made of a solid form of the melt material itself.
10. (Canceled)
11. The atomizer system of claim 1 wherein the atomizing fluid is a gas.
54
12. The atomizer system of claim 11 wherein the gas that is the atomizing fluid is inert.
13. The atomizer system of claim 1 1 wherein the gas that is the atomizing fluid is oxidizing.
14. The atomizer system of claim 11 wherein the gas that is the atomizing fluid is reducing.
15. The atomizer system of claim 1 wherein the atomizing fluid is a liquid.
16. The atomizer system of claim 15 wherein the liquid that is the atomizing fluid is inert.
17. The atomizer system of claim 15 wherein the liquid that is the atomizing iluid is oxidizing.
18. The atomizer system of claim 15 wherein the liquid that is the atomizing fluid is reducing.
19. The atomizer system of claim 1 wherein the atomizing fluid contains particulates therein.
55
20. The atomizer system of claim 1 wherein the thermodynamic conditions, i.e. temperature, pressure, and density, as well as velocity (axial and angular) of the atomizing fluid are user selectable.
21. The atomizer system of claim 1 further comprising a cooling system.
22. The atomizer system of claim 1 further comprising a liquefying system that liquefies the melt material prior to introducing the melt material to the containment portion.
23. (Canceled)
24. The atomizer system of claim 22 wherein the liquefying system applies radiant heating to the melt material to be atomized.
25. The atomizer system of claim 22 wherein the liquefying system applies induction heating to the melt material to be atomized.
26. The atomizer system of claim 22 wherein the liquefying system applies electric arc heating to the melt material to be atomized.
27. The atomizer system of claim 22 wherein the liquefying system applies lasers in the melt material to be atomized.
56
28. The atomizer system of claim 22 wherein the liquefying system applies hot atomizing fluid heating to the melt material to be atomized.
29. The atomizer system of claim 22 wherein the liquefying system applies chemical reaction heating to the melt material to be atomized.
30. The atomizer system of claim 22 wherein the liquefying system applies refractory containment heating to the melt material to be atomized.
31. The atomizer system of claim 22 wherein the liquefying system applies plasma arc heating to the melt material to be atomized.
32. A method of atomizing a materia! comprising the steps of: accelerating the material to be atomized; flowing an atomizing fluid across an exposed surface of the material while the material is experiencing an acceleration force higher than Earth's standard gravitational force; and while the material is experiencing the acceleration force, entraining liquid droplets of the material in the atomizing fluid flowing across the exposed surface of the material such that the liquid droplets aerosolize and create fine particulates.
33. The atomizer method of claim 32 further comprises the step of introducing relative motion between the containment portion and the material.
34. The atomizer method of claim 32 wherein accelerating the material to be atomized comprises the step of rotating the material about more than one axis of roiation.
35. The atomizer method of claim 32 further comprising introducing the material to be atomized in liquid form into the containment portion while the acceleration forces are acting upon the containment portion.
36. (Canceled)
37. (Canceled)
38. The atomizer method of claim 32 further comprising the step of vibrating the material while the material is experiencing the acceleration forces to facilitate disturbances within the material.
39. The atomizer method of claim 32 wherein flowing comprises continuous flowing of the atomizing fluid.
40. The atomizer method of claim 33 the containment portion is made of a solid form of the material to be atomized.
58
41. (Canceled)
42. The atomizer method of claim 32 wherein the atomizing fluid is a gas.
43. The atomizer method of claim 42 wherein the gas that is the atomizing fluid is inert.
44. The atomizer method of claim 42 wherein the gas that is the atomizing fluid is oxidizing.
45. The atomizer method of claim 42 wherein the gas that is the atomizing fluid is reducing.
46. The atomizer method of claim 32 wherein the atomizing fluid is a liquid.
47. The atomizer method of claim 46 wherein the liquid that is the atomizing fluid is inert.
48. The atomizer method of claim 46 wherein the liquid that is the atomizing fluid is oxidizing.
59
49. The atomizer method of claim 46 wherein the liquid that is the atomi2ing fluid \a reducing.
50. The atomizer method of claim 32 wherein the atomizing fluid contains particulates therein.
51. The atomizer method of claim 32 further comprising the step of selecting the thermodynamic conditions, i.e. temperature, pressure, and density, as well as velocity (axial and angular) of the atomizing fluid.
52. (Canceled)
53. The atomizing method of claim 32 further comprising the step of liquefying the material prior to accelerating the material.
54. The atomizing method of claim 53 wherein liquefying the material is continuous.
55. The atomizing method of claim 32 further comprising liquefying the material by applying radiant heating to the material to be atomized.
56. The atomizing method of claim 32 further comprising liquefying the material by applying induction heating to the material to be atomized.
60
57. The atomizing method of claim 32 further comprising liquefying the material by applying electric arc heating to the material to be atomized.
58. The atomizing method of claim 32 further comprising liquefying lhe material by applying lasers to die material to be atomized.
59. The atomizing method of claim 32 further comprising liquefying the material by applying hot atomizing fluid heating to the material to be atomized.
60. The atomizing method of claim 32 further comprising liquefying the material by applying chemical reaction heating to the material to be atomized.
61. The atomizing method of claim 32 further comprising liquefying the material by applying refractory containment heating to the material to be atomized.
62. The atomizing method of claim 32 further comprising liquefying the material by applying plasma arc heating to the material to be atomized.
63. The atomizing system of claim 1 wherein, while the melt material is experiencing the acceleration forces, portions of the atomizing fluid become entrapped within the melt material such that the portions of the atomizing fluid within the melt material buoyanily travel to the exposed surface of the melt material and form at least some of the liquid droplets of the melt material . *
61
64. The atomizing system of claim 1 wherein the atomizing fluid that entrains the liquid droplets of the melt material flows in a direction substantially parallel to an axis of rotation of the containment portion.
65. The atomizing system of claim 64 wherein the containment portion is a cylinder.
66. The atomizing method of claim 32 further comprising entrapping portions of the atomizing fluid within the material such that, while the material is experiencing the acceleration forces, the portions of the atomizing fluid within the material buoyantly travel to the exposed surface of the material and form at least some of the liquid droplets.
62
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006526230A JP2007505218A (en) | 2003-09-09 | 2004-09-08 | Atomization technology to produce fine particles |
| CA002538239A CA2538239A1 (en) | 2003-09-09 | 2004-09-08 | Atomization technique for producing fine particles |
| EP04783373A EP1663501A4 (en) | 2003-09-09 | 2004-09-08 | Atomization technique for producing fine particles |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/658,250 | 2003-09-09 | ||
| US10/658,250 US7131597B2 (en) | 2003-09-09 | 2003-09-09 | Atomization technique for producing fine particles |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| WO2005023431A2 WO2005023431A2 (en) | 2005-03-17 |
| WO2005023431A3 WO2005023431A3 (en) | 2005-12-29 |
| WO2005023431B1 true WO2005023431B1 (en) | 2006-03-16 |
Family
ID=34226746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US2004/029089 WO2005023431A2 (en) | 2003-09-09 | 2004-09-08 | Atomization technique for producing fine particles |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7131597B2 (en) |
| EP (1) | EP1663501A4 (en) |
| JP (1) | JP2007505218A (en) |
| CA (1) | CA2538239A1 (en) |
| WO (1) | WO2005023431A2 (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070158450A1 (en) * | 2003-09-09 | 2007-07-12 | John Scattergood | Systems and methods for producing fine particles |
| US8684284B2 (en) * | 2006-11-24 | 2014-04-01 | Honda Motor Co., Ltd. | Injector for large amount of aerosol powder for synthesis of carbon nanotubes |
| US8033483B2 (en) * | 2008-04-25 | 2011-10-11 | Confluent Surgical Inc. | Silicone spray tip |
| US8408480B2 (en) * | 2008-04-25 | 2013-04-02 | Confluent Surgical, Inc. | Self-cleaning spray tip |
| US8210453B2 (en) | 2008-09-12 | 2012-07-03 | Confluent Surgical, Inc. | Spray applicator |
| EP2373579A2 (en) * | 2008-12-08 | 2011-10-12 | Tisol, Llc | Multicomponent nanoparticle materials and process and apparatus therefor |
| WO2011054113A1 (en) * | 2009-11-05 | 2011-05-12 | Ap&C Advanced Powders & Coatings Inc. | Methods and apparatuses for preparing spheroidal powders |
| RU2462332C2 (en) * | 2010-12-21 | 2012-09-27 | Государственное образовательное учреждение высшего профессионального образования "Тольяттинский государственный университет" | Method of producing nanodisperse powder and device to this end |
| RU2475336C1 (en) * | 2011-09-19 | 2013-02-20 | Открытое акционерное общество "Всероссийский институт легких сплавов" (ОАО "ВИЛС") | Method of producing metal powder by centrifugal spraying |
| US10309430B2 (en) | 2012-08-10 | 2019-06-04 | Confluent Surgical, Inc. | Pneumatic actuation assembly |
| RU2536122C1 (en) * | 2013-04-29 | 2014-12-20 | Открытое акционерное общество "Всероссийский институт легких сплавов" (ОАО "ВИЛС") | Method to produce microingots from melt by centrifugal disintegration |
| RU2534477C1 (en) * | 2013-07-16 | 2014-11-27 | Федеральное государственное бюджетное учреждение науки Институт металлургии и материаловедения им. А.А. Байкова Российской академии наук | Nanopowders obtaining method |
| WO2015153828A1 (en) | 2014-04-04 | 2015-10-08 | Hyperbranch Medical Technology, Inc. | Extended tip spray applicator for two-component surgical selant, and methods of use thereof |
| BR112017026248B1 (en) * | 2015-06-05 | 2022-04-05 | Pyrogenesis Canada Inc | Apparatus for producing powder from wire and method for producing metal powder from wire |
| CA3013154C (en) * | 2015-07-17 | 2019-10-15 | Ap&C Advanced Powders And Coatings Inc. | Plasma atomization metal powder manufacturing processes and systems therefor |
| WO2017177315A1 (en) | 2016-04-11 | 2017-10-19 | Ap&C Advanced Powders & Coatings Inc. | Reactive metal powders in-flight heat treatment processes |
| CN110013919B (en) * | 2019-03-11 | 2023-10-17 | 中国水利水电科学研究院 | Vacuum pipeline magnetic suspension rock-soil centrifuge |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2439772A (en) * | 1946-04-09 | 1948-04-13 | Steel Shot Producers Inc | Method and apparatus for forming solidified particles from molten material |
| US2816826A (en) * | 1952-11-04 | 1957-12-17 | Joseph B Brennan | Apparatus for and method of producing metal powders and metal strips |
| US3151971A (en) * | 1961-03-03 | 1964-10-06 | Nat Res Corp | Vacuum vapor condensation process for producing fine metal powders |
| US3617587A (en) * | 1968-10-10 | 1971-11-02 | Copper Range Co | Method for producing metallic filaments having a formed skin |
| US4025249A (en) * | 1976-01-30 | 1977-05-24 | United Technologies Corporation | Apparatus for making metal powder |
| US4343750A (en) * | 1976-01-30 | 1982-08-10 | United Technologies Corporation | Method for producing metal powder |
| GB1517669A (en) * | 1976-05-24 | 1978-07-12 | Caterpillar Tractor Co | Spherical shot producing machine and method for operation thereof |
| US4394332A (en) * | 1980-06-27 | 1983-07-19 | Battelle Memorial Institute | Crucibleless preparation of rapidly solidified fine particulates |
| US4355057A (en) * | 1981-03-02 | 1982-10-19 | United Technologies Corporation | Formation of alloy powders through solid particle quenching |
| US4482375A (en) * | 1983-12-05 | 1984-11-13 | Mcdonnell Douglas Corporation | Laser melt spin atomized metal powder and process |
| US4917852A (en) * | 1988-04-29 | 1990-04-17 | Norton Company | Method and apparatus for rapid solidification |
| US5147448A (en) * | 1990-10-01 | 1992-09-15 | Nuclear Metals, Inc. | Techniques for producing fine metal powder |
| US5460701A (en) | 1993-07-27 | 1995-10-24 | Nanophase Technologies Corporation | Method of making nanostructured materials |
| US5609919A (en) | 1994-04-21 | 1997-03-11 | Altamat Inc. | Method for producing droplets |
| US5498446A (en) | 1994-05-25 | 1996-03-12 | Washington University | Method and apparatus for producing high purity and unagglomerated submicron particles |
| FR2721231B1 (en) | 1994-06-21 | 1996-09-06 | Wheelabrator Allevard | Method for atomizing a dispersible liquid material. |
| US5707419A (en) | 1995-08-15 | 1998-01-13 | Pegasus Refractory Materials, Inc. | Method of production of metal and ceramic powders by plasma atomization |
| US5738705A (en) * | 1995-11-20 | 1998-04-14 | Iowa State University Research Foundation, Inc. | Atomizer with liquid spray quenching |
| US6423113B1 (en) * | 1996-06-14 | 2002-07-23 | The United States Of America As Represented By The Secretary Of The Navy | Continuous fluid atomization of materials in a rapidly spinning cup |
| US5935461A (en) | 1996-07-25 | 1999-08-10 | Utron Inc. | Pulsed high energy synthesis of fine metal powders |
| US5788738A (en) | 1996-09-03 | 1998-08-04 | Nanomaterials Research Corporation | Method of producing nanoscale powders by quenching of vapors |
| US6569397B1 (en) | 2000-02-15 | 2003-05-27 | Tapesh Yadav | Very high purity fine powders and methods to produce such powders |
| US6600127B1 (en) | 1999-09-15 | 2003-07-29 | Nanotechnologies, Inc. | Method and apparatus for direct electrothermal-physical conversion of ceramic into nanopowder |
-
2003
- 2003-09-09 US US10/658,250 patent/US7131597B2/en not_active Expired - Fee Related
-
2004
- 2004-09-08 CA CA002538239A patent/CA2538239A1/en not_active Abandoned
- 2004-09-08 EP EP04783373A patent/EP1663501A4/en not_active Withdrawn
- 2004-09-08 JP JP2006526230A patent/JP2007505218A/en not_active Withdrawn
- 2004-09-08 WO PCT/US2004/029089 patent/WO2005023431A2/en active Application Filing
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