CN204413159U - Based on the apparatus for preparing metal powder of controllable magnetic suspension melting technique - Google Patents
Based on the apparatus for preparing metal powder of controllable magnetic suspension melting technique Download PDFInfo
- Publication number
- CN204413159U CN204413159U CN201520015488.5U CN201520015488U CN204413159U CN 204413159 U CN204413159 U CN 204413159U CN 201520015488 U CN201520015488 U CN 201520015488U CN 204413159 U CN204413159 U CN 204413159U
- Authority
- CN
- China
- Prior art keywords
- wire
- magnetic suspension
- metal powder
- glass tube
- quartz glass
- 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- Withdrawn - After Issue
Links
Abstract
The utility model provides a kind of apparatus for preparing metal powder based on controllable magnetic suspension melting technique.This device comprises: vacuum cavity; Be arranged on the pair roller in vacuum cavity, the axis of two rollers is parallel, and the direction of rotation of two rollers is contrary, and gap between the surfaces of revolution of two rollers and diameter wiry match; The quartz glass tube of the equal opening in two ends, one end of quartz glass tube exports with wire and is connected, and the other end connects aerosolization nozzle, powder catcher successively; Coil is wound with outside quartz glass tube.The flow velocity of the utility model energy stability contorting molten metal bath, can meet industrial production demand.
Description
Technical field
The utility model relates to smelting in suspension field, in particular to a kind of apparatus for preparing metal powder based on controllable magnetic suspension melting technique.
Background technology
Powder size prepared by aerosolization technology is tiny, sphericity is high, oxygen content is low, is the important method of producing high performance spherical metal dust at present.The production principle of aerosolization technology utilizes gases at high pressure that the pyrosol of high temperature melting is changed into tiny metal dust.
Usual gas-atomized powder device adopts the mode of crucible for smelting, namely first by metal melting in crucible, then is poured onto in guiding device by motlten metal, and molten metal rapid disperse under the effect of high-voltage high-speed airflow of flowing out from pod apertures forms attritive powder.This technology is feasible for the preparation of metal powder with low melting point, but be used to prepare high-melting-point, also there is the problem being difficult to overcome in active metal powder.Main cause chemical reaction can occur after active higher motlten metal at high temperature contacts with guiding device with crucible, and cause ablation in stove, metal purity declines, and therefore cannot carry out industrial production.Such as, the preparation of titanium or titanium alloy powder still can not realize by aerosolization technology at present.In order to solve this problem, two kinds of major ways in prior art, are there are: cold crucible levitation melting and from smelting in suspension.
Cold crucible levitation melting technology can realize being melted metal in fusion process and be in suspended state, but still can not avoid the contact of metalliferous material and crucible in casting process.And the contactless state of motlten metal can be remained from levitation melting techniques, but cannot the flow velocity of stability contorting molten metal bath, thus can not meet industrial production demand.
In view of this, special proposition the utility model.
Utility model content
The utility model provides a kind of apparatus for preparing metal powder based on controllable magnetic suspension melting technique, it is applicable to the preparation of high-melting-point, active metal powder, can the flow velocity of stability contorting molten metal bath, realize production process controlledization, can industrial production demand be met.
In order to realize above-mentioned purpose of the present utility model, spy by the following technical solutions:
Based on a metal powder preparation method for controllable magnetic suspension melting technique, for wire is prepared into metal dust; It comprises the following steps:
One end wiry is made at the uniform velocity to pass through electromagnetic field;
Wire heats up fusing in electromagnetic field, and forms molten drop continuously;
Molten drop instills aerosolization region continuously;
Molten drop impacts by high-voltage high-speed inert gas in aerosolization region to be broken up;
Molten drop is broken up rear cooling by impact, forms metal dust;
Above-mentioned to carry out under vacuum in steps.
Said method raw material used are wire form, so both easily control the quality of charging, also easily control the speed of charging.Make one end wiry at the uniform velocity pass through electromagnetic field simultaneously, thus just can form molten drop continuously, namely form molten drop with fixing speed, this molten drop instills aerosolization region more continuously, mists turn to metal dust in the effect of high-voltage high-speed inert gas.As can be seen here, the speed entering electromagnetic field by controlling wire just can obtain the required stable metal liquid stream continued, and finally obtains metal dust with certain production efficiency.
Based on an apparatus for preparing metal powder for controllable magnetic suspension melting technique, comprising:
Vacuum cavity, vacuum cavity is provided with bleeding point and wire outlet, and bleeding point connects vacuum suction device;
Be arranged on the pair roller in vacuum cavity, the axis of two rollers is parallel, and the direction of rotation of two rollers is contrary, and gap between the surfaces of revolution of two rollers and diameter wiry match; Gap between the surfaces of revolution of two described rollers exports with described wire and communicates;
The quartz glass tube of the equal opening in two ends, one end of quartz glass tube exports with wire and is connected, and the other end connects aerosolization nozzle, powder catcher successively;
Coil is wound with outside quartz glass tube.
The operation principle of said apparatus is specially: in vacuum cavity, and by one end wiry through the gap two rollers, along with the rotation of two rollers, wire is driven and enters in quartz glass tube; Owing to being wound with coil outside quartz glass tube, therefore be electromagnetic field in quartz glass tube, one end intensification that wire enters this region is at first melted and forms the molten bag of suspended metal of certain volume and quality, in the process that lasting charging is also melted, Metal Melting bag is constantly grown up, until when the gravity born bottom it is greater than the surface tension of this position, metal liquid drips downwards, control feed rate consistent with drippage speed, then form the stable metal liquid stream continued.This metal liquid stream can be drip, also can be continuous beam, when molten drop is by aerosolization nozzle, is impacted by high-voltage high-speed inert gas near air-flow focal position and break up, rapid disperse also cooling becomes attritive powder, and powder falls into powder catcher.Above-mentioned whole process is all contactless state, and the rotary speed controlling roller can produce the stable metal liquid stream continued.
Further, be also provided with in vacuum cavity into a guide pin bushing and wire vent guide pin bushing; Wire, under the drive of two rollers, exports through the gap entered a guide pin bushing, two rollers, wire vent guide pin bushing and wire successively.
Further, the axis collinear of a guide pin bushing, wire vent guide pin bushing and quartz glass tube is entered.
Further, be also provided with roll shaft in vacuum cavity, wire is wound on roll shaft.
Further, coil is divided into successively along the length direction of quartz glass tube: preheat coil, balance heater coil and suspend control coil;
Preheat coil is used for tentatively heating wire;
Balance heater coil is used for heating further wire, makes the metal suspension of melting;
Suspend control coil is for providing the funnel magnetically confined space of a V-shaped.
Further, the bottom of powder catcher is provided with valve.
Further, temperature sensor is provided with in quartz glass tube.
Further, vacuum cavity and powder catcher are equipped with watch window.
Further, temperature sensor, pressure sensor is provided with in vacuum cavity.
Further, temperature sensor, pressure sensor is provided with in powder catcher.
Compared with prior art, the beneficial effects of the utility model are:
(1) pass through, into a guide pin bushing and wire vent guide pin bushing constraint wire, to wire more precise positioning, powder feeding efficiency to be improved.
(2) when entering the axis collinear of a guide pin bushing, described wire vent guide pin bushing and described quartz glass tube, wire can be made to be in linear state, tensile force improves, and feeding efficiency is higher, and the refining quality in the unit interval is more homogeneous.
(3) be wound around wire by roll shaft, can further improve tensile force wiry, control the rotary speed of roll shaft, make it consistent with the rotary speed of roller, whole fill process automation can be realized.
(4) coil is arranged to preheat coil, balance heater coil and suspend control coil three part, both can improves melting rate, and can suspension effect be improved again.Wherein, described preheat coil is used for tentatively heating wire; Described balance heater coil is used for heating further wire, makes the metal suspension of melting; Described suspend control coil for providing the funnel magnetically confined space of a V-shaped, to provide enough suspending powers.
(5) bottom of powder catcher is provided with valve, is conveniently transported by product.
(6) quartz glass tube is interior, vacuum cavity is interior and set temperature sensor or pressure sensor in described powder catcher, conveniently measures monitoring in real time.
(7) realize visual by the watch window on vacuum cavity and powder catcher.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below.
The structural representation of the apparatus for preparing metal powder based on controllable magnetic suspension melting technique that Fig. 1 provides for embodiment 2;
The structural representation of the apparatus for preparing metal powder based on controllable magnetic suspension melting technique that Fig. 2 provides for embodiment 3;
Fig. 3 is the enlarged drawing of the local A of Fig. 2.
Reference numeral:
1-wire; 2-bleeding point; 3-roller; 4-quartz glass tube; 5-coil; 6-wire exports; 7-Metal Melting bag; 8-aerosolization nozzle; 9-metal dust; 10-vacuum cavity; 11-powder catcher; 12-metal liquid stream; 13-valve; 14-seal head; 15-enters a guide pin bushing; 16-wire vent guide pin bushing;
501-preheat coil; 502-balances heater coil; 503-suspend control coil.
Detailed description of the invention
Below in conjunction with embodiment, embodiment of the present utility model is described in detail, but it will be understood to those of skill in the art that the following example only for illustration of the utility model, and should not be considered as limiting scope of the present utility model.Unreceipted actual conditions person in embodiment, the condition of conveniently conditioned disjunction manufacturer suggestion is carried out.Agents useful for same or the unreceipted production firm person of instrument, be and can buy by commercially available the conventional products obtained.
Embodiment 1
Based on a metal powder preparation method for controllable magnetic suspension melting technique, comprise the following steps:
The first step: make one end wiry at the uniform velocity pass through electromagnetic field.
Second step: wire heats up fusing in electromagnetic field, and forms molten drop continuously.
3rd step: molten drop instills aerosolization region continuously.
4th step: molten drop impacts by high-voltage high-speed inert gas in aerosolization region to be broken up.
5th step: molten drop is broken up rear cooling by impact, forms metal dust.
Above-mentioned usually to carry out under vacuum in steps, this is because usually metal can with some composition generation chemical reaction in air, component changes.
It is production wiry that said method is applicable to raw material, adopts wire both easily to control the quality of charging, also easily controls the speed of charging.Particularly, one end wiry at the uniform velocity just can form molten drop continuously by electromagnetic field, namely form molten drop with fixing speed, this molten drop instills aerosolization region more continuously, mists turn to metal dust in the effect of high-voltage high-speed inert gas.Wherein, adjustment charging rate (i.e. charging rate wiry), makes it adapt to the magnetic field intensity of electromagnetic field, can obtain the stable metal liquid stream continued, thus obtain controlled production efficiency, meet industrial production demand.
Said method can be realized by multiple device, such as following examples 2 and 3.
Embodiment 2
Based on an apparatus for preparing metal powder for controllable magnetic suspension melting technique, as shown in Figure 1, comprising:
Vacuum cavity 10, vacuum cavity 10 is provided with bleeding point 2 and wire outlet 6, and bleeding point 2 connects vacuum suction device;
The axis being arranged on a pair roller 3, two rollers 3 in vacuum cavity 10 is parallel, and the direction of rotation of two rollers 3 is contrary, and the diameter of gap between the surfaces of revolution of two rollers 3 and wire 1 matches; Gap between the surfaces of revolution of two rollers 3 exports with wire and communicates;
The quartz glass tube 4 of the equal opening in two ends, one end and the wire of quartz glass tube 4 export 6 and are connected, and the other end connects aerosolization nozzle 8, powder catcher 11 successively;
The coil 5 for motlten metal silk and suspended metal drop is wound with outside quartz glass tube 4.
Said apparatus is identical with the know-why of metal powder preparation method mentioned above, all can be used for preparing high-melting-point, activity metal dust, such as, can prepare the metal that fusing point is 1000-2500 DEG C, is particularly useful for preparing titanium or titanium alloy powder.Specific works principle is:
Start vacuum suction device, the confined space that vacuum cavity 10, quartz glass tube 4 and powder catcher 11 form is pumped into high vacuum state (concrete vacuum suitably can adjust according to metal species and purity requirement); In vacuum cavity 10, by one end of wire 1 through the gap two rollers 3, along with the rotation of two rollers 3, wire 1 is driven through wire outlet 6 and enters in quartz glass tube 4; Owing to being wound with coil 5 outside quartz glass tube 4, therefore an electromagnetic field is formed in inside, heat up and to melt and the suspended metal forming certain volume and quality melts bag 7 in one end that wire 1 enters this region at first, in the process that lasting charging is also melted, Metal Melting bag 7 is constantly grown up, until when the gravity born bottom it is greater than the surface tension of this position, metal liquid drips downwards, control feed rate consistent with drippage speed, then form the stable metal liquid stream 12 continued.This metal liquid stream 12 can be drip, also can be continuous beam, when molten drop is by aerosolization nozzle 8, is impacted by high-voltage high-speed inert gas near air-flow focal position and break up, rapid disperse also cooling becomes refining metallic powder 9, and powder falls into powder catcher 11.Above-mentioned whole process is all contactless state, and can produce the stable metal liquid stream 12 continued.
Wherein, overload protection can be increased for roller 3, improve equipment safety.
It should be noted that, the quartz glass tube 4 in said apparatus also can substitute by other material, as long as meet the following conditions: non-conductive, high temperature resistant, not easily with metal generation chemical reaction.
Embodiment 3
Based on an apparatus for preparing metal powder for controllable magnetic suspension melting technique, as shown in Figures 2 and 3, comprising:
Vacuum cavity 10, vacuum cavity 10 is provided with bleeding point 2 and wire outlet 6, and bleeding point 2 connects vacuum suction device;
Be provided with roll shaft in vacuum cavity 10, enter a guide pin bushing 15, the axis of wire vent guide pin bushing 16 and a pair roller 3, two rollers 3 is parallel, the direction of rotation of two rollers 3 is contrary, and the diameter of gap between the surfaces of revolution of two rollers 3 and wire 1 matches; Enter the axis collinear of a guide pin bushing 15, wire vent guide pin bushing 16 and quartz glass tube 4; Wire 1 is wound on roll shaft, is wound in wire 1 on roll shaft under the drive of two rollers 3, successively through the gap entered a guide pin bushing 15, two rollers 3, wire vent guide pin bushing 16 and wire outlet 6;
The quartz glass tube 4 of the equal opening in two ends, one end and the wire of quartz glass tube 4 export 6 and are connected, and the other end connects aerosolization nozzle 8, powder catcher 11 successively;
Coil 5 is wound with outside quartz glass tube 4; Coil 5 is divided into successively along the length direction of quartz glass tube 4: preheat coil 501, balance heater coil 502 and suspend control coil 503; Preheat coil 501 is for tentatively heating wire 1; Balance heater coil 502, for heating further wire 1, makes the metal suspension of melting; Suspend control coil 503 is for providing the funnel magnetically confined space of a V-shaped.
In addition, the bottom of powder catcher 11 is provided with valve 13.Temperature sensor, pressure sensor is equipped with in quartz glass tube 4, in vacuum cavity 10 and in powder catcher 11.Vacuum cavity 10 and powder catcher 11 are equipped with watch window.
Compared with embodiment 2, the present embodiment also has following technique effect:
(1) charging automation more, precision, be mainly reflected in following some:
Be wound around wire 1 by roll shaft, can further improve the tensile force of wire 1, control the rotary speed of roll shaft, make it consistent with the rotary speed of roller 3, whole fill process automation can be realized; Filament failure can also be avoided;
By entering a guide pin bushing 15 and wire vent guide pin bushing 16 retrains wire 1, to wire 1 more precise positioning, powder feeding efficiency can be improved;
When entering the axis collinear of a guide pin bushing 15, wire vent guide pin bushing 16 and quartz glass tube 4, wire 1 can be made to be in linear state, tensile force improves, and feeding efficiency is higher, and the refining quality in the unit interval is more homogeneous.It should be noted that ground, enter a guide pin bushing 15, wire vent guide pin bushing 16 internal diameter usually and the diameter of wire 1 match.
During above arrangement works, the motor of roll shaft adopts variable speed drives, and roller 3 adopts constant-speed drive, and work can be more stable.
(2) efficiency of heating surface and suspension effect is promoted:
The efficiency of heating surface is improved by preheat coil 501 and the heating of balance heater coil 502 liang step; And suspend control coil 503 can provide the funnel magnetically confined space of a V-shaped, promote suspension effect.
(3) discharging is more convenient:
The bottom of powder catcher 11 is provided with valve 13, is conveniently transported by product.In addition, powder catcher 11 can also arrange a seal head 14 again, to improve sealing effectiveness.
(4) realize monitoring in real time:
Realize visual by the watch window on vacuum cavity 10 and powder catcher 11; Utilize arrange temperature sensor or pressure sensor real-time measurement apparatus in temperature, pressure etc.
As can be seen here, the device that embodiment 3 provides more easily realizes quality control.Certainly, on this basis, also can improve further, to improve the quality of products or production efficiency.Such as, cooling structure (water-cooling structure etc.) is increased, for cooling coil, powder catcher etc.; Or the mechanical component of other routine of this area.
Although illustrate and describe the utility model with specific embodiment, however it will be appreciated that can to make when not deviating from spirit and scope of the present utility model many other change and amendment.Therefore, this means to comprise all such changes and modifications belonged within the scope of the utility model in the following claims.
Claims (10)
1. based on an apparatus for preparing metal powder for controllable magnetic suspension melting technique, it is characterized in that, comprising:
Vacuum cavity, described vacuum cavity is provided with bleeding point and wire outlet, and described bleeding point connects vacuum suction device;
Be arranged on the pair roller in described vacuum cavity, the axis of two described rollers is parallel, and the direction of rotation of two described rollers is contrary, and gap between the surfaces of revolution of two described rollers and diameter wiry match; Gap between the surfaces of revolution of two described rollers exports with described wire and communicates;
The quartz glass tube of the equal opening in two ends, one end of described quartz glass tube exports with described wire and is connected, and the other end connects aerosolization nozzle, powder catcher successively;
Coil is wound with outside described quartz glass tube.
2. the apparatus for preparing metal powder based on controllable magnetic suspension melting technique according to claim 1, is characterized in that, is also provided with into a guide pin bushing and wire vent guide pin bushing in described vacuum cavity; Wire under the drive of two described rollers, successively through described in enter the gap a guide pin bushing, two described rollers, described wire vent guide pin bushing and described wire outlet.
3. the apparatus for preparing metal powder based on controllable magnetic suspension melting technique according to claim 2, is characterized in that, described in enter the axis collinear of a guide pin bushing, described wire vent guide pin bushing and described quartz glass tube.
4. the apparatus for preparing metal powder based on controllable magnetic suspension melting technique according to claim 1, is characterized in that, is also provided with roll shaft in described vacuum cavity, and wire is wound on described roll shaft.
5. the apparatus for preparing metal powder based on controllable magnetic suspension melting technique according to claim 1, is characterized in that, described coil is divided into successively along the length direction of described quartz glass tube: preheat coil, balance heater coil and suspend control coil;
Described preheat coil is used for tentatively heating wire;
Described balance heater coil is used for heating further wire, makes the metal suspension of melting;
Described suspend control coil is for providing the funnel magnetically confined space of a V-shaped.
6. the apparatus for preparing metal powder based on controllable magnetic suspension melting technique according to claim 1, is characterized in that, the bottom of described powder catcher is provided with valve.
7. the apparatus for preparing metal powder based on controllable magnetic suspension melting technique according to claim 1, is characterized in that, is provided with temperature sensor in described quartz glass tube.
8. the apparatus for preparing metal powder based on controllable magnetic suspension melting technique according to claim 1, is characterized in that, described vacuum cavity and powder catcher are equipped with watch window.
9. the apparatus for preparing metal powder based on controllable magnetic suspension melting technique according to claim 1, is characterized in that, is provided with temperature sensor, pressure sensor in described vacuum cavity.
10. the apparatus for preparing metal powder based on controllable magnetic suspension melting technique according to claim 1, is characterized in that, is provided with temperature sensor, pressure sensor in described powder catcher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520015488.5U CN204413159U (en) | 2015-01-09 | 2015-01-09 | Based on the apparatus for preparing metal powder of controllable magnetic suspension melting technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520015488.5U CN204413159U (en) | 2015-01-09 | 2015-01-09 | Based on the apparatus for preparing metal powder of controllable magnetic suspension melting technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204413159U true CN204413159U (en) | 2015-06-24 |
Family
ID=53463566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520015488.5U Withdrawn - After Issue CN204413159U (en) | 2015-01-09 | 2015-01-09 | Based on the apparatus for preparing metal powder of controllable magnetic suspension melting technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204413159U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493189A (en) * | 2015-01-09 | 2015-04-08 | 中国久远高新技术装备公司 | Method and device for metal powder preparation based on controllable magnetic levitation melting technology |
| CN105834441A (en) * | 2016-04-20 | 2016-08-10 | 昆山磁通新材料科技有限公司 | Soft magnetic powder granulation method and device by using electromagnetic field to restrain motion trail of soft magnetic material |
| CN107737940A (en) * | 2017-10-31 | 2018-02-27 | 攀钢集团攀枝花钢铁研究院有限公司 | The method that magnetic levitation melting system prepares the spherical Titanium Powder of 3D printing |
| CN108645214A (en) * | 2018-04-16 | 2018-10-12 | 河北工业职业技术学院 | Suspension smelting furnace |
| CN110102753A (en) * | 2019-05-14 | 2019-08-09 | 西安工程大学 | A kind of preparation method of globular powdered nickel |
-
2015
- 2015-01-09 CN CN201520015488.5U patent/CN204413159U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493189A (en) * | 2015-01-09 | 2015-04-08 | 中国久远高新技术装备公司 | Method and device for metal powder preparation based on controllable magnetic levitation melting technology |
| CN105834441A (en) * | 2016-04-20 | 2016-08-10 | 昆山磁通新材料科技有限公司 | Soft magnetic powder granulation method and device by using electromagnetic field to restrain motion trail of soft magnetic material |
| CN107737940A (en) * | 2017-10-31 | 2018-02-27 | 攀钢集团攀枝花钢铁研究院有限公司 | The method that magnetic levitation melting system prepares the spherical Titanium Powder of 3D printing |
| CN108645214A (en) * | 2018-04-16 | 2018-10-12 | 河北工业职业技术学院 | Suspension smelting furnace |
| CN110102753A (en) * | 2019-05-14 | 2019-08-09 | 西安工程大学 | A kind of preparation method of globular powdered nickel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104493189A (en) | Method and device for metal powder preparation based on controllable magnetic levitation melting technology | |
| CN104588671B (en) | The metal powder preparation method and device of contactless melting are heated based on straight resistance | |
| CN204413159U (en) | Based on the apparatus for preparing metal powder of controllable magnetic suspension melting technique | |
| CN106378460B (en) | Prepare the plasma atomization method and equipment of spherical pure titanium or titanium alloy powder | |
| CN104475743B (en) | A kind of preparation method of superfine spherical titanium and titanium alloy powder | |
| CN109940167A (en) | A kind of rotation electrode fuel pulverizing plant and method | |
| CN204486786U (en) | Based on the apparatus for preparing metal powder of the contactless melting of straight resistance heating | |
| CN109808049A (en) | A kind of method that high-temperature gas aerosolization prepares spherical powder | |
| CN106925783A (en) | A kind of efficient metal 3D printing apparatus and method | |
| CN104588673A (en) | Device and method for efficiently preparing metal spherical ultrafine powder | |
| CN114192790B (en) | Spherical titanium and titanium alloy powder preparation device and method | |
| CN110919014A (en) | Preparation method of titanium alloy powder for 3D printing | |
| CN110883338A (en) | Device for preparing micro-nano powder material by radio frequency plasma | |
| CN107414081B (en) | Wire feed fuse system for metal increment manufacturing and application method thereof | |
| CN205996204U (en) | Prepare the plasma atomization plant of spherical pure titanium or titanium alloy powder | |
| CN107570711A (en) | A kind of pulse small hole gunite continuous high-efficient prepares the method and device of homogeneous spherical micro-particle | |
| CN113414398A (en) | Equipment and method for preparing metal powder by using plasma | |
| CN107282925A (en) | A kind of 3 D-printing device and method | |
| CN110871274B (en) | Titanium alloy powder processing equipment and preparation process | |
| CN207239152U (en) | Plasma atomization prepares the device of metal dust | |
| CN103769596A (en) | Method for preparing high-stacking-density oblate powder material | |
| CN214193015U (en) | Feeding device suitable for basalt fiber production | |
| CN208440523U (en) | High-temperature fibre cotton manufacturing equipment | |
| CN105921759A (en) | Device for dredging plugged port of open type atomizer | |
| CN211588532U (en) | Device for preparing micro-nano powder material by radio frequency plasma |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150624 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |