IT1184336B - Atomizzazione di materiale fuso a flusso ridotto di gas e apparato per atomizazre - Google Patents
Atomizzazione di materiale fuso a flusso ridotto di gas e apparato per atomizazreInfo
- Publication number
- IT1184336B IT1184336B IT19675/85A IT1967585A IT1184336B IT 1184336 B IT1184336 B IT 1184336B IT 19675/85 A IT19675/85 A IT 19675/85A IT 1967585 A IT1967585 A IT 1967585A IT 1184336 B IT1184336 B IT 1184336B
- Authority
- IT
- Italy
- Prior art keywords
- atomization
- gas flow
- melted material
- reduced gas
- reduced
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
- B01J2/04—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a gaseous medium
-
- 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
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/06—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
- B05B7/062—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet
- B05B7/066—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet with an inner liquid outlet surrounded by at least one annular gas outlet
-
- 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
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Nozzles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/584,691 US4619597A (en) | 1984-02-29 | 1984-02-29 | Apparatus for melt atomization with a concave melt nozzle for gas deflection |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8519675A0 IT8519675A0 (it) | 1985-02-27 |
IT1184336B true IT1184336B (it) | 1987-10-28 |
Family
ID=24338425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19675/85A IT1184336B (it) | 1984-02-29 | 1985-02-27 | Atomizzazione di materiale fuso a flusso ridotto di gas e apparato per atomizazre |
Country Status (8)
Country | Link |
---|---|
US (1) | US4619597A (it) |
JP (1) | JPS60211002A (it) |
DE (1) | DE3505659C2 (it) |
FR (1) | FR2560075B1 (it) |
GB (1) | GB2154903B (it) |
IL (1) | IL74265A (it) |
IT (1) | IT1184336B (it) |
SE (1) | SE8500970L (it) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4778516A (en) * | 1986-11-03 | 1988-10-18 | Gte Laboratories Incorporated | Process to increase yield of fines in gas atomized metal powder |
US4784302A (en) * | 1986-12-29 | 1988-11-15 | Gte Laboratories Incorporated | Gas atomization melt tube assembly |
JPS6421006A (en) * | 1987-07-14 | 1989-01-24 | Fukuda Metal Foil Powder | Apparatus for atomizing molten metal |
US4780130A (en) * | 1987-07-22 | 1988-10-25 | Gte Laboratories Incorporated | Process to increase yield of fines in gas atomized metal powder using melt overpressure |
JPH01188607A (ja) * | 1988-01-25 | 1989-07-27 | Mitsubishi Metal Corp | 金属粒噴霧装置 |
GB8802130D0 (en) * | 1988-02-01 | 1988-03-02 | Devilbiss Co | Spraygun |
US4880162A (en) * | 1988-06-15 | 1989-11-14 | Air Products And Chemicals, Inc. | Gas atomization nozzle for metal powder production |
DE4103413C1 (it) * | 1991-02-05 | 1992-11-12 | Gunter M. 8918 Diessen De Voss | |
US5280884A (en) * | 1992-06-15 | 1994-01-25 | General Electric Company | Heat reflectivity control for atomization process |
US5366204A (en) * | 1992-06-15 | 1994-11-22 | General Electric Company | Integral induction heating of close coupled nozzle |
US5289975A (en) * | 1992-06-18 | 1994-03-01 | General Electric Company | Method and apparatus for atomizing molten metal |
US5468133A (en) * | 1992-07-27 | 1995-11-21 | General Electric Company | Gas shield for atomization with reduced heat flux |
CA2107421A1 (en) * | 1992-10-16 | 1994-04-17 | Steven Alfred Miller | Atomization with low atomizing gas pressure |
US5310165A (en) * | 1992-11-02 | 1994-05-10 | General Electric Company | Atomization of electroslag refined metal |
US5348566A (en) * | 1992-11-02 | 1994-09-20 | General Electric Company | Method and apparatus for flow control in electroslag refining process |
US5431343A (en) * | 1994-03-15 | 1995-07-11 | Nordson Corporation | Fiber jet nozzle for dispensing viscous adhesives |
US5595765A (en) * | 1994-12-27 | 1997-01-21 | General Electric Company | Apparatus and method for converting axisymmetric gas flow plenums into non-axisymmetric gas flow plenums |
US5656061A (en) * | 1995-05-16 | 1997-08-12 | General Electric Company | Methods of close-coupled atomization of metals utilizing non-axisymmetric fluid flow |
US5601781A (en) * | 1995-06-22 | 1997-02-11 | General Electric Company | Close-coupled atomization utilizing non-axisymmetric melt flow |
US5649993A (en) * | 1995-10-02 | 1997-07-22 | General Electric Company | Methods of recycling oversray powder during spray forming |
US5683653A (en) * | 1995-10-02 | 1997-11-04 | General Electric Company | Systems for recycling overspray powder during spray forming |
US6250522B1 (en) | 1995-10-02 | 2001-06-26 | General Electric Company | Systems for flow control in electroslag refining process |
US5649992A (en) * | 1995-10-02 | 1997-07-22 | General Electric Company | Methods for flow control in electroslag refining process |
US6142382A (en) * | 1997-06-18 | 2000-11-07 | Iowa State University Research Foundation, Inc. | Atomizing nozzle and method |
KR100230570B1 (ko) * | 1997-12-01 | 1999-11-15 | 황해웅 | 착탈회전식고효율2유체미립화노즐 |
US6496529B1 (en) | 2000-11-15 | 2002-12-17 | Ati Properties, Inc. | Refining and casting apparatus and method |
US8891583B2 (en) | 2000-11-15 | 2014-11-18 | Ati Properties, Inc. | Refining and casting apparatus and method |
US7803212B2 (en) | 2005-09-22 | 2010-09-28 | Ati Properties, Inc. | Apparatus and method for clean, rapidly solidified alloys |
US7578960B2 (en) * | 2005-09-22 | 2009-08-25 | Ati Properties, Inc. | Apparatus and method for clean, rapidly solidified alloys |
US7803211B2 (en) | 2005-09-22 | 2010-09-28 | Ati Properties, Inc. | Method and apparatus for producing large diameter superalloy ingots |
US8748773B2 (en) * | 2007-03-30 | 2014-06-10 | Ati Properties, Inc. | Ion plasma electron emitters for a melting furnace |
BRPI0809581A2 (pt) | 2007-03-30 | 2019-03-12 | Ati Properties Inc | fornalha de fusão incluindo emissor de elétrons de plasma de íon descarregado por filamento |
US7798199B2 (en) | 2007-12-04 | 2010-09-21 | Ati Properties, Inc. | Casting apparatus and method |
US20100068405A1 (en) * | 2008-09-15 | 2010-03-18 | Shinde Sachin R | Method of forming metallic carbide based wear resistant coating on a combustion turbine component |
US8747956B2 (en) | 2011-08-11 | 2014-06-10 | Ati Properties, Inc. | Processes, systems, and apparatus for forming products from atomized metals and alloys |
US9205590B2 (en) * | 2012-03-06 | 2015-12-08 | Wisconsin Alumni Research Foundation | Polymer pelletization via melt fracture |
CN102784916B (zh) * | 2012-07-27 | 2014-05-14 | 中国航空工业集团公司北京航空材料研究院 | 采用紧耦合喷嘴制备高合金化材料的负压喷射成形工艺 |
CN102909385B (zh) * | 2012-10-12 | 2014-04-09 | 中国航空工业集团公司北京航空材料研究院 | 一种粉末冶金工模具钢的制备方法 |
KR101989256B1 (ko) | 2014-10-29 | 2019-06-13 | 도시바 미쓰비시덴키 산교시스템 가부시키가이샤 | 가스 분사 장치 |
US11559855B2 (en) | 2017-03-14 | 2023-01-24 | Wisconsin Alumni Research Foundation | Surface topography control |
US11207799B2 (en) * | 2017-06-26 | 2021-12-28 | Wisconsin Alumni Research Foundation | Pelletization gas guide |
US11780012B1 (en) | 2020-06-23 | 2023-10-10 | Iowa State University Research Foundation, Inc. | Powder satellite-reduction apparatus and method for gas atomization process |
RU207898U9 (ru) * | 2021-05-19 | 2021-12-17 | Российская Федерация, от имени которой выступает ФОНД ПЕРСПЕКТИВНЫХ ИССЛЕДОВАНИЙ | Форсунка для атомайзера с антисателлитной системой |
CN117480020A (zh) * | 2021-06-17 | 2024-01-30 | 安赛乐米塔尔公司 | 用于雾化器的快速更换喷嘴系统 |
MX2023014920A (es) * | 2021-06-17 | 2024-02-14 | Arcelormittal | Sistema de boquilla de cambio rapido para un atomizador. |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1856679A (en) * | 1925-07-22 | 1932-05-03 | Gen Motors Res Corp | Apparatus for comminuting metals |
DE950421C (de) * | 1943-03-02 | 1956-10-11 | Norddeutsche Affinerie | Verfahren zum Herstellen von feinen Pulvern aus metallischen Schmelzen |
US2571457A (en) * | 1950-10-23 | 1951-10-16 | Ladisch Rolf Karl | Method of spinning filaments |
DE1262520B (de) * | 1963-10-10 | 1968-03-07 | Basf Ag | Vorrichtung zum Verspruehen bzw. Zerstaeuben von Schmelzen, insbesondere fluessigen Metallen |
US3253783A (en) * | 1964-03-02 | 1966-05-31 | Federal Mogul Bower Bearings | Atomizing nozzle |
FR1455543A (fr) * | 1965-11-16 | 1966-04-01 | Toho Zinc Co Ltd | Procédé et appareil pour préparer des poudres fines à grande pureté de métaux à point de fusion bas |
US3655837A (en) * | 1969-06-18 | 1972-04-11 | Republic Steel Corp | Process for producing metal powder |
US3752611A (en) * | 1969-06-18 | 1973-08-14 | Republic Steel Corp | Apparatus for producing metal powder |
GB1250969A (it) * | 1969-12-18 | 1971-10-27 | ||
JPS5846458B2 (ja) * | 1976-10-12 | 1983-10-17 | 日本板硝子株式会社 | 熱軟化性物質の繊維の製造装置 |
JPS5374449U (it) * | 1976-11-25 | 1978-06-21 |
-
1984
- 1984-02-29 US US06/584,691 patent/US4619597A/en not_active Expired - Fee Related
-
1985
- 1985-02-06 IL IL74265A patent/IL74265A/xx unknown
- 1985-02-08 GB GB08503277A patent/GB2154903B/en not_active Expired
- 1985-02-15 FR FR858502161A patent/FR2560075B1/fr not_active Expired - Fee Related
- 1985-02-19 DE DE3505659A patent/DE3505659C2/de not_active Expired - Fee Related
- 1985-02-27 IT IT19675/85A patent/IT1184336B/it active
- 1985-02-27 SE SE8500970A patent/SE8500970L/xx not_active Application Discontinuation
- 1985-02-28 JP JP60037796A patent/JPS60211002A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2560075B1 (fr) | 1990-08-03 |
IT8519675A0 (it) | 1985-02-27 |
IL74265A0 (en) | 1985-05-31 |
FR2560075A1 (fr) | 1985-08-30 |
SE8500970D0 (sv) | 1985-02-27 |
US4619597A (en) | 1986-10-28 |
SE8500970L (sv) | 1985-08-30 |
GB8503277D0 (en) | 1985-03-13 |
DE3505659C2 (de) | 1993-11-18 |
IL74265A (en) | 1987-11-30 |
GB2154903A (en) | 1985-09-18 |
GB2154903B (en) | 1988-07-06 |
JPH0565562B2 (it) | 1993-09-20 |
DE3505659A1 (de) | 1985-08-29 |
JPS60211002A (ja) | 1985-10-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19940224 |