CN106334799A - Method for producing metal powder - Google Patents
Method for producing metal powder Download PDFInfo
- Publication number
- CN106334799A CN106334799A CN201611023394.8A CN201611023394A CN106334799A CN 106334799 A CN106334799 A CN 106334799A CN 201611023394 A CN201611023394 A CN 201611023394A CN 106334799 A CN106334799 A CN 106334799A
- Authority
- CN
- China
- Prior art keywords
- metal
- induction apparatuss
- cold crucible
- liquor stream
- production method
- 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
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 130
- 239000002184 metal Substances 0.000 title claims abstract description 128
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 239000000843 powder Substances 0.000 title claims abstract description 20
- 230000006698 induction Effects 0.000 claims abstract description 53
- 238000000034 method Methods 0.000 claims abstract description 27
- 238000002844 melting Methods 0.000 claims abstract description 17
- 230000008018 melting Effects 0.000 claims abstract description 17
- 239000000725 suspension Substances 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 239000000428 dust Substances 0.000 claims description 23
- 239000000956 alloy Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 5
- 230000009514 concussion Effects 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 8
- 238000010298 pulverizing process Methods 0.000 abstract description 2
- 238000010146 3D printing Methods 0.000 abstract 1
- 238000007664 blowing Methods 0.000 abstract 1
- 238000009689 gas atomisation Methods 0.000 abstract 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 10
- 239000010936 titanium Substances 0.000 description 10
- 229910052719 titanium Inorganic materials 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000005275 alloying Methods 0.000 description 4
- 238000010891 electric arc Methods 0.000 description 4
- 238000005339 levitation Methods 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052571 earthenware Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 238000012387 aerosolization Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- 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
- B22F2009/0836—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 with electric or magnetic field or induction
-
- 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
- B22F2009/0848—Melting process before atomisation
Landscapes
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The invention relates to a method for producing metal powder. The method comprises the following steps of: applying a cold crucible vacuum suspension induction melting method to put a metal bar into a cold crucible, wherein the first inductor provides a heat source and a suspending force for melting the metal rod to form a molten metal; and a stable metal liquid is formed after the metal melt reaches a certain degree of superheat; and the metal melt flows out from the bottom hole to form a metal liquid; the metal liquid flows through the magnetic force of the second inductor, further heats the metal solution and restricts the diameter of the metal liquid; and the metal liquid flows according to a certain flow rate and a certain diameter; step 3: Gas atomization for pulverization: A small liquid droplet is formed by blowing into the metal liquid with high pressure gas to form metal powder after cooling. In the production method of the metal powder according to the present invention, metal powder for 3D printing can be produced.
Description
Technical field
The present invention relates to a kind of production method of metal dust, more particularly, to refractory metal, the production of active metal powder
Method.
Background technology
In prior art, the production method of metal dust includes metal molten, forms stable metal liquor stream, aerosolization system
Three steps of powder.
The metal molten of prior art has following three kinds of modes: mode 1, electric arc melting, and metal or alloy material is mixed pressure
Make electrode, produce high temperature by electric arc, so that metal is progressively melted；Mode 2, induction melting, cold crucible sensing heating, metallic solution
Contact one scull of generation with crucible, remainder melts；Mode 3, without crucible, directly heated set with induction apparatuss
Metal bar leans on electromagnetic induction heating.
Aforesaid way 1, mode 3 need first metal material to be made bar, increased a technique, cause cost to increase,
The probability of material contamination increases, and mode 2 can form a metal scull, wastes raw material, and mode 1,2,3 is done alloy and do not stirred
Effect, alloying component is uneven.
In prior art, forming stable metal liquor stream has following two modes: mode 1, directly heats metal bar, makes
Its fusing forms metal liquor stream；It is poured onto after mode 2, sensing heating in the tundish of crucible, similar funnel mode, form molten metal
Stream.
Aforesaid way 1 does not have the degree of superheat, and liquor stream is wayward, and mode 2 is not suitable for active metal, causes the dirt of material itself
Dye.
Content of the invention
The technical problem to be solved in the present invention is: overcomes the defect of the production method of existing metal dust, provides one
Plant the production method of metal dust, levitation melting techniques are combined with liquor stream control technology and traditional powder-making technique, Ke Yisheng
Output meets the metal dust of 3d printing.
In order to solve above-mentioned technical problem, the present invention proposes a kind of following technical proposal: production method of metal dust, needs
Device to be applied to includes cold crucible, the first induction apparatuss, the second induction apparatuss, the open top of cold crucible, the bottom of cold crucible
Central authorities offer a bottom outlet, and the first induction apparatuss are circumferentially arranged on the outside of cold crucible, and the second induction apparatuss are arranged on cold crucible
Bottom lower section；
The production method of described metal dust comprises the following steps:
Step 1: metal molten: application cold crucible vacuum suspension induction melting method, metal bar is put in cold crucible, first
Induction apparatuss provide thermal source and suspending power to make metal bar melt formation molten metal, and metallic solution is not contacted with cold crucible or elasticity
Contact, has function composite by electromagnetic stirring simultaneously, makes in alloy composition between different metal more uniform；
Step 2: form stable metal liquor stream: after molten metal reaches certain degree of superheat, reduce the first induction apparatuss and second
The power of induction apparatuss, molten metal forms metal liquor stream under gravity after bottom outlet outflow, and metal liquor stream is subject to the second induction apparatuss
Magnetic force, heating metallic solution constrain the diameter of metal liquor stream further, make metal liquor stream according to certain flow rate and necessarily straight
Footpath is stably flowed out；
Step 3: gas-atomized powder: blow to metal liquor stream with gases at high pressure, form droplet, form metal powder after cooling.
The restriction further of technique scheme is: it is in that " y " shape is arranged that the second induction apparatuss are looped around outside bottom outlet.
The restriction further of technique scheme is: it is in that " t " shape is arranged that the second induction apparatuss are looped around outside bottom outlet.
The restriction further of technique scheme is:, by the way of concussion in parallel, it is electric for the power supply of the first induction apparatuss
Source frequency is 10 ~ 12khz, and by the way of series connection concussion, its supply frequency is 200 ~ 300khz to the power supply of the second induction apparatuss.
Compared with prior art, the method have the advantages that the present invention adopts the sensing of cold crucible vacuum suspension molten
The mode of refining heats metal, and adds, in crucible bottom, the side that the second induction apparatuss (magnetic switch) and gas-atomized powder mode combine
Method, is combined levitation melting techniques, can produce and meet 3d printing with liquor stream control technology and traditional powder-making technique
Metal dust, this kind of flouring technology and method, at home and abroad beyond example.
Stock material shapes are not had particular/special requirement by the inventive method, have function composite by electromagnetic stirring so that alloying component is more equal
Homogenize, the degree of superheat of molten metal can be improved.In pulverizing process, the raising of the degree of superheat of molten metal, metal can be made
Melting viscosity reduces, and makes metal dust thinner.
The inventive method, controls metal liquor stream with the second induction apparatuss (magnetic switch), does not have directly contact molten metal, no
Have pollution, and molten metal can be heated further, improve the degree of superheat of molten metal, be conducive to production granularity more tiny
Powder.
Brief description
Fig. 1 is schematic diagram not when bottom outlet flows out for the molten metal of the present invention.
Fig. 2 is schematic diagram when bottom outlet flows out for the molten metal of the present invention.
Specific embodiment
A kind of production method of metal dust, needs to be applied to device as depicted in figs. 1 and 2, this device includes cold earthenware
Crucible 1, the first induction apparatuss 2, the second induction apparatuss 3.
The open top of cold crucible 1, bottom center offers a bottom outlet 12.
First induction apparatuss 2 are circumferentially arranged on the outside of cold crucible 1.
Second induction apparatuss 3 are arranged on the lower section of the bottom of cold crucible 1.
It is in the setting of " y " shape that second induction apparatuss 3 are looped around bottom outlet 12 outer.
The production method of above-mentioned metal dust, comprises the following steps:
Step 1: metal molten: application cold crucible vacuum suspension induction melting method, metal bar (not shown) is put into cold earthenware
In crucible 1, the first induction apparatuss 2 provide thermal source and suspending power so that metal bar is melted and form molten metal 100, metallic solution 100 with
Cold crucible 1 does not contact or Elastic Contact, has function composite by electromagnetic stirring simultaneously, makes in alloy composition between different metal more uniform；
Step 2: form stable metal liquor stream: after molten metal 100 reaches certain degree of superheat, reduce the first induction apparatuss 2 He
The power of the second induction apparatuss 3, molten metal 100 forms metal liquor stream 200, metal liquor stream under gravity after bottom outlet 12 outflow
200 magnetic force being subject to the second induction apparatuss 3, heat metallic solution 100 further and constrain the diameter of metal liquor stream 200, make metal
Liquor stream 200 stably flows out according to certain flow rate and certain diameter, by adjusting the power of the second induction apparatuss 3, reaches control metal
The diameter of liquor stream 100 and the purpose of flow velocity；
During metal molten, the first induction apparatuss 2 provide thermal source and suspending power to make metal molten, simultaneously for avoiding molten metal
100 flow out from the bottom outlet 12 of cold crucible 1 under gravity, and the bottom of cold crucible 1 is provided with the second induction apparatuss 3(magnetic switch),
Second induction apparatuss 3 are in the setting of " y " shape, can increase cold crucible 1 bottom metal liquor stream 200 power upwards.
In order that the first induction apparatuss 2 and the second induction apparatuss 3 interfere with each other, the power supply of the first induction apparatuss 2 is using concussion in parallel
Mode, its supply frequency is 10 ~ 12khz, and by the way of the power supply of the second induction apparatuss 3 is shaken using series connection, its supply frequency is
200~300khz.
Step 3: gas-atomized powder: blow to metal liquor stream 200 with gases at high pressure, form droplet, form metal after cooling
Powder.
The present invention heats metal by the way of cold crucible vacuum suspension induction melting, and opens plus magnetic control in crucible bottom
Close and the method that combines of gas-atomized powder mode, can produce the metal dust meeting 3d printing, this kind of flouring technology with
Method is at home and abroad beyond example.
The advantage of the production method of metal dust of the present invention is described below:
: titanium and titanium alloy are one of most important stocks, but titanium is very active, conventional crucibles taking titanium and titanium alloy as a example
All react with titanium at high temperature.So melting titanium must use water jacketed copper crucible.Conventional art vacuum consumable electrode arc furnace
Prepare titanium ingot, titanium material and alloy material mixing must be pressed into electrode by advance.Levitation melting techniques are used for titanium and titanium closes
The melting of gold is it is possible to use the raw material of any form, and the easy uniform alloy of smelting component.
The metal dust that high-end metal powder such as 3d prints requires to the oxygen content of powder, sphericity, granularity, suitable 3d
The titanium valve printing leans on external import substantially.
In prior art, metal molten also has following three kinds of modes: mode 1, electric arc melting, and metal or alloy material is mixed
It is pressed into electrode, produce high temperature by electric arc, so that metal is progressively melted；Mode 2, induction melting, cold crucible sensing heating, metal is molten
Liquid contacts one scull of generation with crucible, and remainder melts；Mode 3, without crucible, directly carried out in advance with induction apparatuss heating
Metal bar lean on electromagnetic induction heating.
Aforesaid way 1, mode 3 need first metal material to be made bar, increased a technique, cause cost to increase,
The probability of material contamination increases, and mode 2 can form a metal scull, wastes raw material, and mode 1,2,3 is done alloy and do not stirred
Effect, alloying component is uneven.Problem above can be solved with the method for the present invention, there is no particular/special requirement to stock material shapes,
There is function composite by electromagnetic stirring so that alloying component, the most important is to improve the degree of superheat of molten metal 100.In system
During powder, the raising of the degree of superheat of molten metal 100, molten metal viscosity can be made to reduce, make metal dust thinner.
In prior art, form stable metal liquor stream and also have following two modes: mode 1, directly heat metal bar,
It is made to melt formation metal liquor stream；It is poured onto after mode 2, sensing heating in the tundish of crucible, similar funnel mode, form metal
Liquor stream.
Aforesaid way 1 does not have the degree of superheat, and liquor stream is wayward, and mode 2 is not suitable for active metal, causes the dirt of material itself
Dye.With the method for the present invention, the problems referred to above can be avoided.With the second induction apparatuss 3(magnetic switch) control metal liquor stream 200, do not have
There is directly contact molten metal 100, do not have pollution, and molten metal 100 can be heated further, improve molten metal
100 degree of superheat, is conducive to producing the more tiny powder of granularity.
The production method of metal dust of the present invention, levitation melting techniques and liquor stream control technology and traditional powder-making technique phase
In conjunction with, produce meet 3d print etc. the high-level high request to metal dust for the industry.
In another embodiment, the second induction apparatuss 3 being looped around bottom outlet 12 outer is in the setting of " t " shape, other structures all with
First embodiment is identical.
Claims (4)
1. a kind of production method of metal dust it is characterised in that this production method need the device that is applied to include cold crucible,
First induction apparatuss, the second induction apparatuss, the open top of cold crucible, the bottom center of cold crucible offers a bottom outlet, the first sense
Device is answered circumferentially to be arranged on the outside of cold crucible, the second induction apparatuss are arranged on the lower section of the bottom of cold crucible；
The production method of described metal dust comprises the following steps:
Step 1: metal molten: application cold crucible vacuum suspension induction melting method, metal bar is put in cold crucible, first
Induction apparatuss provide thermal source and suspending power to make metal bar melt formation molten metal, and metallic solution is not contacted with cold crucible or elasticity
Contact, has function composite by electromagnetic stirring simultaneously, makes in alloy composition between different metal more uniform；
Step 2: form stable metal liquor stream: after molten metal reaches certain degree of superheat, reduce the first induction apparatuss and second
The power of induction apparatuss, molten metal forms metal liquor stream under gravity after bottom outlet outflow, and metal liquor stream is subject to the second induction apparatuss
Magnetic force, heating metallic solution constrain the diameter of metal liquor stream further, make metal liquor stream according to certain flow rate and necessarily straight
Footpath is stably flowed out；
Step 3: gas-atomized powder: blow to metal liquor stream with gases at high pressure, form droplet, form metal powder after cooling.
2. a kind of metal dust according to claim 1 production method it is characterised in that: the second induction apparatuss are looped around bottom
It is in that " y " shape is arranged outside hole.
3. a kind of metal dust according to claim 1 production method it is characterised in that: the second induction apparatuss are looped around bottom
It is in that " t " shape is arranged outside hole.
4. a kind of metal dust according to claim 1,2 or 3 production method it is characterised in that: the first induction apparatuss
By the way of concussion in parallel, its supply frequency is 10 ~ 12khz to power supply, and the power supply of the second induction apparatuss adopts the side of series connection concussion
Formula, its supply frequency is 200 ~ 300khz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611023394.8A CN106334799A (en) | 2016-11-21 | 2016-11-21 | Method for producing metal powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611023394.8A CN106334799A (en) | 2016-11-21 | 2016-11-21 | Method for producing metal powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106334799A true CN106334799A (en) | 2017-01-18 |
Family
ID=57841481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611023394.8A Pending CN106334799A (en) | 2016-11-21 | 2016-11-21 | Method for producing metal powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106334799A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107570718A (en) * | 2017-07-13 | 2018-01-12 | 张家港创博金属科技有限公司 | Multicomponent alloy powder preparation method and device |
| CN111687423A (en) * | 2019-03-13 | 2020-09-22 | 深圳市赛迈特新材料有限公司 | Metal liquid flow device and method for manufacturing metal powder by using same |
| CN111804926A (en) * | 2020-07-06 | 2020-10-23 | 昆明理工大学 | A kind of method for preparing refractory metal powder |
| CN112325641A (en) * | 2020-10-28 | 2021-02-05 | 江苏威拉里新材料科技有限公司 | Vacuum melting induction coil device |
| CN112985058A (en) * | 2021-03-08 | 2021-06-18 | 重庆国际复合材料股份有限公司 | Rotary casting composite crucible |
| CN114101693A (en) * | 2020-08-31 | 2022-03-01 | 厦门稀土材料研究所 | Low-oxygen europium nickel powder for 3D printing and preparation method thereof |
| WO2022238317A1 (en) * | 2021-05-10 | 2022-11-17 | Ald Vacuum Technologies Gmbh | Device and method for producing metal powder using an induction coil and an intermediate coil |
| CN119457096A (en) * | 2024-12-02 | 2025-02-18 | 株洲汉和工业设备有限公司 | Continuous titanium alloy atomization powder making equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4324266A (en) * | 1979-05-31 | 1982-04-13 | Agence Nationale De Valorisation De Le Recherche (Anvar) | Process and device for confining liquid metals by use of an electromagnetic field |
| US5074532A (en) * | 1989-07-12 | 1991-12-24 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation "S.N.E.C.M.A." | Electro-magnetic nozzle device for controlling a stream of liquid metal tapped from a crucible |
| US5348566A (en) * | 1992-11-02 | 1994-09-20 | General Electric Company | Method and apparatus for flow control in electroslag refining process |
| JP2004317096A (en) * | 2003-04-21 | 2004-11-11 | Daido Steel Co Ltd | Metal melting and spraying equipment |
| CN102102151A (en) * | 2009-12-16 | 2011-06-22 | 通用电气公司 | Cold walled induction guide tube |
| CN102250584A (en) * | 2011-06-11 | 2011-11-23 | 山东理工大学 | Equipment for preparing atomized quick-setting magnetic abrasive |
| CN103381484A (en) * | 2013-07-11 | 2013-11-06 | 中国科学院福建物质结构研究所 | A device for preparing titanium-based powder and a method for preparing titanium-based powder |
| CN104254416A (en) * | 2012-02-29 | 2014-12-31 | 伊拉斯蒂尔·克罗斯特公司 | System for atomizing metal and method for atomizing metal powder |
-
2016
- 2016-11-21 CN CN201611023394.8A patent/CN106334799A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4324266A (en) * | 1979-05-31 | 1982-04-13 | Agence Nationale De Valorisation De Le Recherche (Anvar) | Process and device for confining liquid metals by use of an electromagnetic field |
| US5074532A (en) * | 1989-07-12 | 1991-12-24 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation "S.N.E.C.M.A." | Electro-magnetic nozzle device for controlling a stream of liquid metal tapped from a crucible |
| US5348566A (en) * | 1992-11-02 | 1994-09-20 | General Electric Company | Method and apparatus for flow control in electroslag refining process |
| JP2004317096A (en) * | 2003-04-21 | 2004-11-11 | Daido Steel Co Ltd | Metal melting and spraying equipment |
| CN102102151A (en) * | 2009-12-16 | 2011-06-22 | 通用电气公司 | Cold walled induction guide tube |
| CN102250584A (en) * | 2011-06-11 | 2011-11-23 | 山东理工大学 | Equipment for preparing atomized quick-setting magnetic abrasive |
| CN104254416A (en) * | 2012-02-29 | 2014-12-31 | 伊拉斯蒂尔·克罗斯特公司 | System for atomizing metal and method for atomizing metal powder |
| CN103381484A (en) * | 2013-07-11 | 2013-11-06 | 中国科学院福建物质结构研究所 | A device for preparing titanium-based powder and a method for preparing titanium-based powder |
Non-Patent Citations (3)
| Title |
|---|
| 温怀疆等: "《安防工程施工与监理》", 31 December 2007, 中国政法大学出版社 * |
| 钱照明等: "《中国电气工程大典 第2卷 电力电子技术》", 30 June 2009 * |
| 雷慧杰: "《电力电子应用技术》", 30 September 2015, 重庆大学出版社 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107570718A (en) * | 2017-07-13 | 2018-01-12 | 张家港创博金属科技有限公司 | Multicomponent alloy powder preparation method and device |
| CN111687423A (en) * | 2019-03-13 | 2020-09-22 | 深圳市赛迈特新材料有限公司 | Metal liquid flow device and method for manufacturing metal powder by using same |
| CN111804926A (en) * | 2020-07-06 | 2020-10-23 | 昆明理工大学 | A kind of method for preparing refractory metal powder |
| CN114101693A (en) * | 2020-08-31 | 2022-03-01 | 厦门稀土材料研究所 | Low-oxygen europium nickel powder for 3D printing and preparation method thereof |
| CN112325641A (en) * | 2020-10-28 | 2021-02-05 | 江苏威拉里新材料科技有限公司 | Vacuum melting induction coil device |
| CN112325641B (en) * | 2020-10-28 | 2024-02-20 | 江苏威拉里新材料科技有限公司 | A vacuum melting induction coil device |
| CN112985058A (en) * | 2021-03-08 | 2021-06-18 | 重庆国际复合材料股份有限公司 | Rotary casting composite crucible |
| WO2022238317A1 (en) * | 2021-05-10 | 2022-11-17 | Ald Vacuum Technologies Gmbh | Device and method for producing metal powder using an induction coil and an intermediate coil |
| US12343800B2 (en) | 2021-05-10 | 2025-07-01 | Ald Vacuum Technologies Gmbh | Device and method for producing metal powder using an induction coil and an intermediate coil |
| CN119457096A (en) * | 2024-12-02 | 2025-02-18 | 株洲汉和工业设备有限公司 | Continuous titanium alloy atomization powder making equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106334799A (en) | Method for producing metal powder | |
| US20060291529A1 (en) | Cold wall induction nozzle | |
| CN106111931B (en) | A kind of metal clad material solid-liquid continuous casting composite forming apparatus and process | |
| CN103386491A (en) | Process and equipment used for preparing high-purity spherical titanium and titanium alloy powder material | |
| CN113134618B (en) | Metal-based ceramic 3D printing composite powder plasma preparation device | |
| CN110640155A (en) | Method for improving sphericity of metal powder prepared by gas atomization method | |
| CN105834382A (en) | Molten steel feeding system used for preparing amorphous strips | |
| CN110724841A (en) | A kind of preparation method of immiscible alloy and continuous casting equipment | |
| TW524853B (en) | Bottom pour electroslag refining systems and methods | |
| CN106112000A (en) | A kind of 3D prints the preparation method of metal dust | |
| CN101429604A (en) | Zinc-aluminum-rare earth middle alloy and its use in hot galvanizing alloy production | |
| CN111687423A (en) | Metal liquid flow device and method for manufacturing metal powder by using same | |
| CN201249272Y (en) | Heating device of spray forming liquid delivery tube | |
| CN201482956U (en) | Automatic constant temperature heating device for nozzle body of hot chamber die casting machine | |
| CN206169302U (en) | Form device of stable metal liquid stream | |
| CN106363188A (en) | Device for forming stable metal liquid flow | |
| CN103769596A (en) | Method for preparing high-stacking-density oblate powder material | |
| CN205382196U (en) | Zinc -tin vacuum distillation stove | |
| CN204648921U (en) | A kind of natural gas cupola | |
| CN207563740U (en) | A kind of electromagnetic suspension heated type 3D printer squeezes out nozzle | |
| JPS61235047A (en) | Casting method for metals with fine grains | |
| CN118905230A (en) | Gas atomization nozzle and preparation method of copper alloy powder | |
| CN207239098U (en) | Three stream φ 160mm red coppers/brass horizontal continuous-casting unit | |
| CN206839172U (en) | Vacuum atomizing powder stove flow-guiding mouth heater | |
| CN215279882U (en) | Flow guiding device for cold bed smelting type gas atomization powder making |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170118 |