DE102020134364A8 - A new type of closed gas atomization nozzle - Google Patents

A new type of closed gas atomization nozzle Download PDF

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Publication number
DE102020134364A8
DE102020134364A8 DE102020134364.7A DE102020134364A DE102020134364A8 DE 102020134364 A8 DE102020134364 A8 DE 102020134364A8 DE 102020134364 A DE102020134364 A DE 102020134364A DE 102020134364 A8 DE102020134364 A8 DE 102020134364A8
Authority
DE
Germany
Prior art keywords
new type
gas atomization
closed gas
atomization nozzle
nozzle
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.)
Pending
Application number
DE102020134364.7A
Other languages
German (de)
Other versions
DE102020134364A1 (en
Inventor
Miaohui WANG
Xueyuan Ge
Peng Wang
Bin Fan
Xin Wang
Ruifeng Guo
Shiyuan Shen
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.)
China Machinery Institute Of Advanced Material Cn
Original Assignee
Beijing Nat Innovation Institute Of Lightweight Ltd
Beijing National Innovation Institute of Lightweight Ltd
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 Beijing Nat Innovation Institute Of Lightweight Ltd, Beijing National Innovation Institute of Lightweight Ltd filed Critical Beijing Nat Innovation Institute Of Lightweight Ltd
Publication of DE102020134364A1 publication Critical patent/DE102020134364A1/en
Publication of DE102020134364A8 publication Critical patent/DE102020134364A8/en
Pending legal-status Critical Current

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
    • 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
    • B05B7/068—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 the annular gas outlet being supplied by a gas conduit having an axially concave curved internal surface just upstream said 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
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0807—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets
    • B05B7/0815—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets with at least one gas jet intersecting a jet constituted by a liquid or a mixture containing a liquid for controlling the shape of the latter
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/06—Metallic powder characterised by the shape of the particles
    • B22F1/065—Spherical particles
    • 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
    • B22F2009/088—Fluid nozzles, e.g. angle, distance
    • 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
    • B22F2009/0892—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 casting nozzle; controlling metal stream in or after the casting nozzle
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • C22C33/0285—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5% with Cr, Co, or Ni having a minimum content higher than 5%
DE102020134364.7A 2019-12-20 2020-12-21 A novel, tightly coupled aerosol nozzle Pending DE102020134364A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911323841.5A CN110899713B (en) 2019-12-20 2019-12-20 Novel close coupling gas atomizing nozzle
CN201911323841.5 2019-12-20

Publications (2)

Publication Number Publication Date
DE102020134364A1 DE102020134364A1 (en) 2021-06-24
DE102020134364A8 true DE102020134364A8 (en) 2021-08-19

Family

ID=69826794

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102020134364.7A Pending DE102020134364A1 (en) 2019-12-20 2020-12-21 A novel, tightly coupled aerosol nozzle

Country Status (3)

Country Link
JP (1) JP6922063B2 (en)
CN (1) CN110899713B (en)
DE (1) DE102020134364A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111804925B (en) * 2020-09-11 2020-12-11 陕西斯瑞新材料股份有限公司 Method and device for preparing GRCop-42 spherical powder based on VIGA process
CN112091226B (en) * 2020-10-29 2024-05-28 佛山中研磁电科技股份有限公司 Stable spraying device
CN112809010A (en) * 2020-12-29 2021-05-18 辽宁冠达新材料科技有限公司 Preparation method of GH5188 cobalt-based high-temperature alloy powder for 3D printing
CN113681017B (en) * 2021-09-22 2023-06-02 北京机科国创轻量化科学研究院有限公司 Gas heating spiral-flow type tight coupling circular seam nozzle
CN114012101A (en) * 2021-09-30 2022-02-08 山西省化工研究所（有限公司） Preparation method of high-strength high-toughness stainless steel powder for selective laser melting additive manufacturing
CN114969627A (en) * 2022-05-08 2022-08-30 中机新材料研究院(郑州)有限公司 Method for designing molded surface of supersonic circumferential seam spray pipe for gas atomization powder preparation
CN114751657A (en) * 2022-05-26 2022-07-15 武汉市汉泓福玻璃有限公司 Coated toughened glass and production process thereof
CN116604023B (en) * 2023-05-29 2023-11-21 中航迈特增材科技(北京)有限公司 Atomizer and preparation method of silver powder for 3D printing
CN117840444B (en) * 2024-03-07 2024-05-28 季华实验室 Inert gas heating gas atomizing equipment

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0649512A (en) * 1992-08-03 1994-02-22 Hitachi Metals Ltd Device for producing gas-atomized metal powder
JP2005139471A (en) * 2003-11-04 2005-06-02 Daido Steel Co Ltd Gas atomizing nozzle, and metal melting/atomizing apparatus using the same
JP2005213617A (en) * 2004-01-30 2005-08-11 Daido Steel Co Ltd Gas atomizing method and gas atomizing apparatus used in the same
JP4207954B2 (en) * 2005-12-20 2009-01-14 セイコーエプソン株式会社 Metal powder production equipment
US9981315B2 (en) * 2013-09-24 2018-05-29 Iowa State University Research Foundation, Inc. Atomizer for improved ultra-fine powder production
CN104057097B (en) * 2014-06-09 2017-02-15 浙江亚通焊材有限公司 Dual-ring supersonic atomizer
CN106180739B (en) * 2016-10-10 2018-08-14 江西悦安超细金属有限公司 A kind of aerosolization nozzle being used to prepare minute spherical powder
CN206215920U (en) * 2016-11-21 2017-06-06 华南理工大学 A kind of two-nozzle atomization device for preparing 3D printing globular metallic powder
CN206605034U (en) * 2017-01-22 2017-11-03 广州纳联材料科技有限公司 Aerosolization nozzle and gas atomization device
CN107900366B (en) * 2017-12-27 2020-12-01 北京康普锡威科技有限公司 Device and method for continuously preparing titanium or titanium alloy powder for 3D printing through gas atomization
CN208879705U (en) * 2018-09-06 2019-05-21 上海电气集团股份有限公司 A kind of metal powder atomizer being used to prepare increasing material manufacturing
CN109570517B (en) * 2019-01-17 2020-05-12 北京科技大学 Design method of supersonic laval nozzle structure alloy melt atomizer

Also Published As

Publication number Publication date
CN110899713A (en) 2020-03-24
JP6922063B2 (en) 2021-08-18
DE102020134364A1 (en) 2021-06-24
JP2021098893A (en) 2021-07-01
CN110899713B (en) 2020-09-08

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R012 Request for examination validly filed
R081 Change of applicant/patentee

Owner name: CHINA MACHINERY INSTITUTE OF ADVANCED MATERIAL, CN

Free format text: FORMER OWNER: BEIJING NATIONAL INNOVATION INSTITUTE OF LIGHTWEIGHT LTD, BEIJING, CN

R082 Change of representative

Representative=s name: GRUENECKER PATENT- UND RECHTSANWAELTE PARTG MB, DE

Representative=s name: IPRIME BONNEKAMP SPARING PATENTANWALTSGESELLSC, DE

R016 Response to examination communication
R082 Change of representative

Representative=s name: IPRIME BONNEKAMP SPARING PATENTANWALTSGESELLSC, DE