CN115971509A - Preparation method of superfine metal powder metallurgy material - Google Patents
Preparation method of superfine metal powder metallurgy material Download PDFInfo
- Publication number
- CN115971509A CN115971509A CN202310039852.0A CN202310039852A CN115971509A CN 115971509 A CN115971509 A CN 115971509A CN 202310039852 A CN202310039852 A CN 202310039852A CN 115971509 A CN115971509 A CN 115971509A
- Authority
- CN
- China
- Prior art keywords
- metal powder
- solution
- screening
- metal
- pipe
- 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
- 239000002184 metal Substances 0.000 title claims abstract description 56
- 239000000463 material Substances 0.000 title claims abstract description 37
- 238000004663 powder metallurgy Methods 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 238000012216 screening Methods 0.000 claims abstract description 71
- 239000000843 powder Substances 0.000 claims abstract description 55
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000006185 dispersion Substances 0.000 claims abstract description 12
- 239000011265 semifinished product Substances 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 230000001590 oxidative effect Effects 0.000 claims abstract description 10
- 238000004140 cleaning Methods 0.000 claims abstract description 8
- 239000007787 solid Substances 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 238000005054 agglomeration Methods 0.000 claims abstract description 7
- 230000002776 aggregation Effects 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 4
- 239000008367 deionised water Substances 0.000 claims abstract description 4
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 4
- 239000002270 dispersing agent Substances 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 239000003112 inhibitor Substances 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 239000003223 protective agent Substances 0.000 claims abstract description 4
- 238000005086 pumping Methods 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims description 12
- 239000013590 bulk material Substances 0.000 claims description 8
- 238000010902 jet-milling Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 229910001111 Fine metal Inorganic materials 0.000 claims 2
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 5
- 238000005272 metallurgy Methods 0.000 abstract 1
- 238000011084 recovery Methods 0.000 description 12
- 239000012530 fluid Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000011197 physicochemical method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 229910001868 water Inorganic materials 0.000 description 1
Images
Abstract
The invention discloses a preparation method of a superfine metal powder metallurgy material, which relates to the technical field of metallurgy material processing and comprises the steps of preparing a reducing solution and an oxidizing solution; dissolving metal solid to be processed in deionized water, and stirring until the solid is fully dissolved to obtain metal solution; mixing the reducing solution and the oxidizing solution prepared in the step one with a metal solution, and adding an auxiliary agent and a protective agent into the metal solution; adding a dispersing agent into the metal solution, and stirring to obtain a reaction dispersion liquid; introducing the reaction dispersion liquid into a cleaning tank for cleaning, filtering and pumping to obtain metal powder; adding an agglomeration inhibitor into the metal powder, dehydrating and drying the metal powder to obtain semi-finished product powder; and adding the semi-finished product powder into an airflow crushing mechanism, and recovering after scattering. According to the invention, a plurality of groups of scattering structures are arranged in the gas crushing mechanism, and semi-finished powder can be scattered for a plurality of times in the moving and screening processes after entering the gas crushing mechanism.
Description
Technical Field
The invention relates to the technical field of metallurgical material processing, in particular to a preparation method of an ultrafine metal powder metallurgical material.
Background
The superfine metal powder is suitable for various industries and is the basis for reforming and promoting the development of new industries such as paint coatings, information recording media, fine ceramics, electronic technology, new materials, powder metallurgy, 3D printing, biotechnology and the like; at present, methods for preparing ultrafine metal powders mainly include a ball milling method, a jet milling method, a plasma rotary electrode method, a physicochemical method, and a gas atomization method.
Through search, chinese patent (publication number: CN 103480854B) discloses a method for preparing ultrafine metal powder, which comprises the steps of smelting, atomizing, cooling, solid-liquid separation and the like, wherein one or more of water, nitrogen, helium or argon can be used as an atomizing medium during atomizing.
In the prior art, poor formability and dispersibility are encountered during the production of ultrafine metal powder, and after relevant processing liquid is added, the problem of agglomeration is easy to occur, larger particles are generated, and the quality of products is poor.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a preparation method of an ultrafine metal powder metallurgy material.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation method of an ultrafine metal powder metallurgy material comprises the following steps:
the method comprises the following steps: preparing a reducing solution and an oxidizing solution, wherein the reducing solution and the oxidizing solution can adopt any mature formula in the prior art;
step two: dissolving metal solid to be processed in deionized water, and stirring until the solid is fully dissolved to obtain metal solution;
step three: mixing the reducing solution and the oxidizing solution prepared in the step one with the metal solution in the step two, and adding an auxiliary agent and a protective agent into the mixture;
step four: adding a dispersing agent into the metal solution in the third step, and stirring for 5-30min to obtain a reaction dispersion liquid;
step five: introducing the reaction dispersion liquid into a cleaning tank, and sequentially cleaning, filtering and pumping to obtain metal powder;
step six: adding an agglomeration inhibitor into the metal powder, dehydrating and drying the metal powder to obtain semi-finished product powder;
step seven: and C, adding the semi-finished product powder in the step six into a jet milling mechanism, and recovering after scattering.
Further, after the metal solution is prepared in the second step, the metal solution is stored in a constant temperature state of 20-75 ℃.
Further, the temperature of the metal powder in the sixth step is 60-85 ℃ when being dried.
Furthermore, the airflow crushing mechanism comprises a feeding mechanism, a screening bin and a discharging bin which are connected;
the semi-finished powder is scattered once and scattered twice in feeding mechanism and ejection of compact storehouse respectively, avoids the problem that metal powder appears the caking.
Furthermore, the air pressure range of a screening bin in the airflow crushing mechanism is 0.3-1.3MPa.
Furthermore, a screw structure is arranged inside the feeding mechanism and used for conveying the semi-finished product powder towards the screening bin, a reducing section is arranged at the connecting part of the feeding mechanism and the screening bin, and one end of the screw structure is arranged on one side of the reducing section and does not extend into the reducing section;
the outer side of the feeding mechanism is provided with a vibration mechanism, and a plurality of vibration parts connected with the output end of the vibration mechanism are arranged in the diameter-variable section; each vibrating member vibrates based on the vibrating mechanism.
Further, each of the vibrating members is circularly arranged in a vertical and horizontal order.
Furthermore, a high-pressure air supply mechanism is arranged on one side of the screening bin, a screening frame is mounted at the bottom end inside the screening bin, and the screening frame is connected with the output end of the high-pressure air supply mechanism and used for discharging high-pressure air generated by the high-pressure air supply mechanism to the upper part inside the screening bin;
screening storehouse internally mounted has the dispersion mechanism who is located screening frame upside, and the downside in screening storehouse installs a actuating mechanism, an actuating mechanism's output and feeding mechanism's output all are connected with dispersion mechanism.
Furthermore, a first screening structure is installed at the top end inside the screening bin and used for classifying semi-finished product powder through the diameter when the semi-finished product powder passes through.
Furthermore, the first screening structure comprises a recovery bin connected with the screening bin, a filter frame connected with the screening bin is arranged on the upper side of the recovery bin, and a material return pipe communicated with the feeding mechanism is mounted at the bottom end of the recovery bin;
the bottom of the filter frame is conical and is embedded into the recovery bin;
a circulation channel for semi-finished product powder to pass through is arranged between the inner walls of the recovery bin and the screening bin.
Furthermore, the dispersing mechanism comprises a fixed seat connected with the screening frame, the upper side of the fixed seat is rotatably connected with a driving seat, and the driving seat is connected with the output end of the first driving mechanism;
the fixed seat and the driving seat are both umbrella-shaped and are mutually attached;
and one side of the fixed seat, which is contacted with the driving seat, is provided with a plurality of concave grooves which are distributed at equal intervals.
Further, the internally mounted who goes out the feed bin has second screening structure, the second communicating pipe of intercommunication is installed on the top of second screening structure, the second communicating pipe is connected with the first screening structure in the screening storehouse through first communicating pipe, and the air-supply line is installed to the upside of second communicating pipe, second actuating mechanism is installed to the inside one side that is close to second screening structure of second communicating pipe.
Furthermore, the second screening structure comprises a rotating frame which is rotatably connected with the second communicating pipe, connecting teeth are arranged on the outer side of the rotating frame, and driving teeth which are in meshed connection with the connecting teeth are arranged at the output end of the second driving mechanism;
a plurality of bulk cargo pipes of intercommunication are installed to the downside of swivel mount, each the case that gathers materials of intercommunication is installed to the bottom of bulk cargo pipe, gathers materials the case and is used for collecting the semi-manufactured goods powder after will processing.
Furthermore, the bulk material pipe comprises a fixed pipe fixedly connected with the rotating frame and the material collecting box, and a shaking pipe communicated with the rotating frame and the material collecting box is arranged in the fixed pipe through a plurality of elastic pieces;
a plurality of electromagnetic parts are arranged in the fixed pipe, and a plurality of magnetic parts corresponding to the electromagnetic parts are arranged on the outer side of the shaking pipe;
the connection part of the shaking pipe and the rotating frame and the material collecting box is provided with an elastic connecting piece, and the shaking pipe is kept connected with the rotating frame and the material collecting box through the elastic connecting piece when the electromagnetic piece and the magnetic piece work.
Compared with the prior art, the invention has the following beneficial effects:
compared with the prior art, the gas crushing mechanism is provided with a plurality of groups of scattering structures, and semi-finished powder can be scattered for a plurality of times in the moving and screening processes after entering the gas crushing mechanism, so that the quality of products during screening and collection can be improved, and the problem of agglomeration is avoided;
furthermore, a plurality of concave grooves are formed in the dispersing mechanism, semi-finished powder with qualified diameter can pass through the concave grooves quickly, and subsequent screening is performed, so that the processing efficiency can be improved;
on the other hand, second screening structure is provided with a plurality of bulk material pipes in gaseous rubbing crusher constructs's the play feed bin, when semi-manufactured goods powder gets into, can break up it the secondary to when discharging, can improve the yields of product.
Drawings
FIG. 1 is a schematic structural view of a jet milling mechanism in a method for preparing an ultrafine metal powder metallurgy material;
FIG. 2 is a partial cross-sectional view of a feed mechanism in the fluid pulverizing mechanism of the present invention;
FIG. 3 is a partial cross-sectional view of a screening bin in the fluid pulverizing mechanism of the present invention;
FIG. 4 is a partial cross-sectional view of a dispersion mechanism in a flow shredder mechanism according to the present invention;
FIG. 5 is a partial cross-sectional view of a discharge bin of the fluid pulverizing mechanism of the present invention;
FIG. 6 is a top cross-sectional view of a bulk tube in a fluid energy milling mechanism of the present invention;
in the figure: 1. a feeding mechanism; 2. screening the bin; 3. a high-pressure air supply mechanism; 4. a discharging bin; 5. an air inlet pipe; 6. a vibration mechanism; 7. a vibrating member; 8. a first screening structure; 9. a first communication pipe; 10. a dispersing mechanism; 11. a first drive mechanism; 12. a second screening structure; 13. a second drive mechanism; 14. a second communicating pipe; 15. an air outlet pipe; 16. a screening rack; 110. a diameter-changing section; 81. a filter frame; 82. a recovery bin; 83. a material return pipe; 101. a fixed seat; 102. a driving seat; 103. a recessed groove; 121. a rotating frame; 122. a connecting tooth; 123. a bulk pipe; 124. a material collecting box; 1231. fixing the tube; 1232. an elastic member; 1233. a shaking pipe; 1234. an electromagnetic member; 1235. a magnetic member.
Detailed Description
A preparation method of an ultrafine metal powder metallurgy material comprises the following steps:
the method comprises the following steps: preparing a reducing solution and an oxidizing solution, wherein the reducing solution and the oxidizing solution can adopt any mature formula in the prior art;
step two: dissolving metal solid to be processed in deionized water, stirring until the solid is fully dissolved to obtain metal solution, and storing the metal solution in a constant temperature state of 25 ℃;
step three: mixing the reducing solution and the oxidizing solution prepared in the step one with the metal solution in the step two, and adding an auxiliary agent and a protective agent into the mixture;
step four: adding a dispersing agent into the metal solution in the third step, and stirring for 30min to obtain a reaction dispersion liquid;
step five: introducing the reaction dispersion liquid into a cleaning tank, and sequentially cleaning, filtering and pumping to obtain metal powder;
step six: adding an agglomeration inhibitor into the metal powder, dehydrating and drying the metal powder at 70 ℃ to obtain semi-finished powder;
step seven: and C, adding the semi-finished product powder in the step six into a jet milling mechanism, and recovering after scattering.
Referring to fig. 1 to 6, the jet milling mechanism comprises a feeding mechanism 1, a screening bin 2 and a discharging bin 4 which are connected, a high-pressure air supply mechanism 3 is arranged on one side of the screening bin 2, and the air pressure range of the screening bin 2 is 0.5MPa;
the semi-finished powder is scattered once and scattered twice in the feeding mechanism 1 and the discharging bin 4 respectively, so that the problem of agglomeration of the metal powder is avoided.
An air outlet pipe 15 is arranged on the side surface of the discharging bin 4 and used for discharging air.
Referring to fig. 2, a screw structure is arranged inside the feeding mechanism 1 and used for conveying the semi-finished powder toward the screening bin 2, a reducing section 110 is arranged at a connecting part of the feeding mechanism 1 and the screening bin 2, and one end of the screw structure is arranged on one side of the reducing section 110 and does not extend into the reducing section 110;
the outer side of the feeding mechanism 1 is provided with a vibration mechanism 6, and the inside of the reducing section 110 is provided with a plurality of vibration parts 7 connected with the output end of the vibration mechanism 6; each vibrating member 7 is vibrated by the vibrating mechanism 6, and the contact quality of the semi-finished powder with the vibrating member 7 increases after entering the reducing section 110.
The respective vibrating members 7 are circularly arranged in vertical and horizontal order.
Referring to fig. 3, a screening frame 16 is installed at the bottom end inside the screening bin 2, and the screening frame 16 is connected with the output end of the high-pressure air supply mechanism 3 and is used for discharging high-pressure air generated by the high-pressure air supply mechanism 3 to the upper side inside the screening bin 2;
a dispersing mechanism 10 positioned on the upper side of a screening frame 16 is arranged in the screening bin 2, a first driving mechanism 11 is arranged on the lower side of the screening bin 2, and the output end of the first driving mechanism 11 and the output end of the feeding mechanism 1 are connected with the dispersing mechanism 10; after entering the dispersing mechanism 10 through the feeding mechanism 1, the semi-finished powder is once dispersed and then moves to the upper side of the screening bin 2 through the screening frame 16.
The first screening structure 8 comprises a recovery bin 82 connected with the screening bin 2, a filter frame 81 connected with the screening bin 2 is arranged on the upper side of the recovery bin 82, and a material return pipe 83 communicated with the feeding mechanism 1 is installed at the bottom end of the recovery bin 82;
the bottom of the filter frame 81 is conical and is embedded into the recovery bin 82;
a circulation channel is arranged between the inner walls of the recovery bin 82 and the screening bin 2, when the semi-finished powder moves upwards through the screening frame 16, the semi-finished powder passes through the circulation channel and is filtered by the filter frame 81, the semi-finished powder with qualified diameter passes through the filter frame 81, the semi-finished powder with unqualified diameter moves to the recovery bin 82 along the filter frame 81, and is recovered to the feeding mechanism 1 from the material return pipe 83, and finally enters the dispersing mechanism 10 for secondary dispersion.
Referring to fig. 4, the dispersing mechanism 10 includes a fixed base 101 connected to the sieving frame 16, a driving base 102 is rotatably connected to an upper side of the fixed base 101, and the driving base 102 is connected to an output end of the first driving mechanism 11;
the fixed seat 101 and the driving seat 102 are both umbrella-shaped and are attached to each other;
a plurality of concave grooves 103 which are distributed at equal intervals are formed in one side of the fixed seat 101, which is in contact with the driving seat 102;
the size of the concave groove 103 is used to control the diameter of the dispersed particles of the semi-finished powder.
Referring to fig. 5, a second screening structure 12 is installed inside the discharging bin 4, a second communicating pipe 14 is installed at the top end of the second screening structure 12, the second communicating pipe 14 is connected with a first screening structure 8 in the screening bin 2 through a first communicating pipe 9, an air inlet pipe 5 is installed on the upper side of the second communicating pipe 14, and a second driving mechanism 13 is installed on one side, close to the second screening structure 12, inside the second communicating pipe 14;
the semi-finished powder with qualified particle diameter enters the second screening structure 12 through the first communicating pipe 9 and the second communicating pipe 14, is scattered for the second time, and air purified from the outside is blown into the second communicating pipe 14 and the second screening structure 12 through the air inlet pipe 5, so that power is provided for the semi-finished powder scattered for the second time.
The second screening structure 12 comprises a rotating frame 121 rotatably connected with the second communicating pipe 14, a connecting tooth 122 is installed on the outer side of the rotating frame 121, and a driving tooth meshed with the connecting tooth 122 is installed at the output end of the second driving mechanism 13;
a plurality of communicated bulk material pipes 123 are mounted on the lower side of the rotating frame 121, a communicated material collecting box 124 is mounted at the bottom end of each bulk material pipe 123, and the material collecting box 124 is used for collecting the processed semi-finished powder.
Wherein, go out tuber pipe 15 and include body and filter screen, the filter screen installation sets up in the air intake department of body, and the air intake setting of body is in the downside of case 124 that gathers materials, and semi-manufactured goods powder is filtered when the body, and the air then passes the filter screen and discharges from the body.
Referring to fig. 6, the bulk material pipe 123 includes a fixing pipe 1231 fixedly connected to the rotating frame 121 and the material collecting box 124, and a shaking pipe 1233 communicated with the rotating frame 121 and the material collecting box 124 is installed inside the fixing pipe 1231 through a plurality of elastic members 1232;
a plurality of electromagnets 1234 are installed inside the fixed pipe 1231, and a plurality of magnetic members 1235 corresponding to the electromagnets 1234 are installed outside the rocking pipe 1233;
the connection part of the shaking pipe 1233 and the rotating frame 121 and the material collecting box 124 is provided with an elastic connecting piece, and when the electromagnetic piece 1234 and the magnetic piece 1235 work, the connection of the shaking pipe 1233 and the rotating frame 121 and the material collecting box 124 is kept through the elastic connecting piece;
during operation, each electromagnetic element 1234 is intermittently started, the corresponding magnetic element 1235 drives the shaking tube 1233 to move in the corresponding direction, and the shaking amplitude of the shaking tube 1233 is controlled by changing the frequency of each electromagnetic element 1234.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the present template may be made by those skilled in the art without departing from the principles of the present invention.
Claims (10)
1. The preparation method of the superfine metal powder metallurgy material is characterized by comprising the following steps:
the method comprises the following steps: preparing a reducing solution and an oxidizing solution;
step two: dissolving metal solid to be processed in deionized water, and stirring until the solid is fully dissolved to obtain metal solution;
step three: mixing the reducing solution and the oxidizing solution prepared in the step one with the metal solution in the step two, and adding an auxiliary agent and a protective agent into the mixture;
step four: adding a dispersing agent into the metal solution in the third step, and stirring for 5-30min to obtain a reaction dispersion liquid;
step five: introducing the reaction dispersion liquid into a cleaning tank, and sequentially cleaning, filtering and pumping to obtain metal powder;
step six: adding an agglomeration inhibitor into the metal powder, dehydrating and drying the metal powder to obtain semi-finished product powder;
step seven: and adding the semi-finished product powder in the sixth step into an airflow crushing mechanism, and recovering after scattering.
2. The method of claim 1, wherein the metal solution is maintained at a constant temperature of 20-75 ℃ in the second step.
3. The method according to claim 1, wherein the temperature of the metal powder in the step six is 60-85 ℃ when the metal powder is dried.
4. The method for preparing the ultrafine metal powder metallurgy material according to the claim 1, wherein the jet milling mechanism comprises a feeding mechanism (1), a screening bin (2) and a discharging bin (4) which are connected;
and the semi-finished product powder is scattered once and scattered twice in the feeding mechanism (1) and the discharging bin (4) respectively.
5. The method for preparing ultra-fine metal powder metallurgy material according to claim 4, wherein the air pressure of the screening chamber (2) of the jet milling mechanism is 0.3-1.3MPa.
6. The method for preparing the ultrafine metal powder metallurgy material according to claim 4, wherein a screw structure is arranged inside the feeding mechanism (1), and a reducer section (110) is arranged at the connecting part of the feeding mechanism (1) and the screening bin (2);
vibration mechanism (6) are installed in the outside of feeding mechanism (1), the internally mounted of reducing section (110) has a plurality of vibrating parts (7) that are connected with vibration mechanism (6) output.
7. The method for producing an ultrafine metal powder metallurgy material according to claim 6, wherein the respective vibrating members (7) are arranged cyclically in a vertical and horizontal order.
8. The method for preparing the ultrafine metal powder metallurgy material according to claim 4, wherein a second screening structure (12) is installed inside the discharge bin (4), a second communicating pipe (14) is installed at the top end of the second screening structure (12), and a second driving mechanism (13) is installed on one side, close to the second screening structure (12), inside the second communicating pipe (14).
9. The method for preparing ultra-fine metal powder metallurgy material according to claim 8, wherein the second screening structure (12) comprises a rotating frame (121) rotatably connected with the second communicating pipe (14), a plurality of communicated bulk material pipes (123) are installed on the lower side of the rotating frame (121), and a communicated collecting box (124) is installed on the bottom end of each bulk material pipe (123).
10. The method for preparing an ultrafine metal powder metallurgy material according to claim 9, wherein the bulk material pipe (123) comprises a fixed pipe (1231) fixedly connected with the rotating frame (121) and the collecting box (124), and the fixed pipe (1231) is internally provided with a shaking pipe (1233) communicated with the rotating frame (121) and the collecting box (124) through a plurality of elastic members (1232);
a plurality of electromagnetic parts (1234) are installed in the fixed pipe (1231), and a plurality of magnetic parts (1235) corresponding to the electromagnetic parts (1234) are installed on the outer side of the shaking pipe (1233).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310039852.0A CN115971509A (en) | 2023-01-13 | 2023-01-13 | Preparation method of superfine metal powder metallurgy material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310039852.0A CN115971509A (en) | 2023-01-13 | 2023-01-13 | Preparation method of superfine metal powder metallurgy material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115971509A true CN115971509A (en) | 2023-04-18 |
Family
ID=85962452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310039852.0A Pending CN115971509A (en) | 2023-01-13 | 2023-01-13 | Preparation method of superfine metal powder metallurgy material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115971509A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10317019A (en) * | 1997-05-19 | 1998-12-02 | Akihisa Inoue | Production and device for metal powder |
| US20030102207A1 (en) * | 2001-11-30 | 2003-06-05 | L. W. Wu | Method for producing nano powder |
| KR100800505B1 (en) * | 2006-09-12 | 2008-02-04 | 에드호텍(주) | Fabricating apparatus for metal powder |
| CN104259469A (en) * | 2014-09-11 | 2015-01-07 | 南京大学 | Manufacturing method of micron and nanometer metal spherical powder |
| CN108568529A (en) * | 2018-05-18 | 2018-09-25 | 海安南京大学高新技术研究院 | The preparation method of spherical Fe-Ni alloy/C powder |
| CN110919028A (en) * | 2019-12-26 | 2020-03-27 | 苏州银瑞光电材料科技有限公司 | Preparation method of superfine irregular silver powder |
| CN111940749A (en) * | 2020-07-08 | 2020-11-17 | 沙洋富栩新材料技术有限公司 | Metal powder material preparation device and method |
| CN114734035A (en) * | 2022-03-14 | 2022-07-12 | 嘉兴数字三维智能制造研究院有限公司 | Metal powder for 3D printing and preparation method thereof |
-
2023
- 2023-01-13 CN CN202310039852.0A patent/CN115971509A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10317019A (en) * | 1997-05-19 | 1998-12-02 | Akihisa Inoue | Production and device for metal powder |
| US20030102207A1 (en) * | 2001-11-30 | 2003-06-05 | L. W. Wu | Method for producing nano powder |
| KR100800505B1 (en) * | 2006-09-12 | 2008-02-04 | 에드호텍(주) | Fabricating apparatus for metal powder |
| CN104259469A (en) * | 2014-09-11 | 2015-01-07 | 南京大学 | Manufacturing method of micron and nanometer metal spherical powder |
| CN108568529A (en) * | 2018-05-18 | 2018-09-25 | 海安南京大学高新技术研究院 | The preparation method of spherical Fe-Ni alloy/C powder |
| CN110919028A (en) * | 2019-12-26 | 2020-03-27 | 苏州银瑞光电材料科技有限公司 | Preparation method of superfine irregular silver powder |
| CN111940749A (en) * | 2020-07-08 | 2020-11-17 | 沙洋富栩新材料技术有限公司 | Metal powder material preparation device and method |
| CN114734035A (en) * | 2022-03-14 | 2022-07-12 | 嘉兴数字三维智能制造研究院有限公司 | Metal powder for 3D printing and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100464906C (en) | Airflow crushing stepped tungsten carbide powder producing process | |
| CN101402073A (en) | Coarse, medium, fine powder multi-stage air separator | |
| CN114273043B (en) | Fluidized bed jet mill and method for operating a fluidized bed jet mill | |
| CN111841828A (en) | Airflow type lithium hydroxide monohydrate ultrafine grinding equipment and grinding process | |
| JPH08126848A (en) | Production of pulverized fine powder and device therefor | |
| CN115971509A (en) | Preparation method of superfine metal powder metallurgy material | |
| CN208427180U (en) | A kind of fluidized bed air flow crusher | |
| JPH074557B2 (en) | Airflow grinding method using grinding media | |
| JPS61264A (en) | Method and apparatus for manufacturing particulate coloring matter having improved dye characteristics | |
| JP2012135749A (en) | Ultrafine grinding device and ultrafine grinding method | |
| JP2003265975A (en) | Dry media stirring type pulverizer | |
| CN113996239A (en) | Water dispersible granule production line | |
| CN209934914U (en) | Rice hull crushing and processing system | |
| CN209532099U (en) | Airslide disintegrating mill is used in a kind of production of vertical double tungsten carbide | |
| CN219482934U (en) | High-efficient kibbling fluidized bed formula jet mill | |
| CN220657807U (en) | Jet milling system | |
| JP2002306944A (en) | Granulation/drying process and fluidized bed granulation/drying equipment | |
| CN202427526U (en) | Fine smashing system | |
| CN2825109Y (en) | Multi-grade air current ultra-fine pulverizer | |
| CN207222096U (en) | A kind of circulation fluid energy milling machine | |
| CN112191333A (en) | Dry grinding device and grinding method | |
| CN219051613U (en) | Ultrahigh-pressure airflow crushing device | |
| CN216910544U (en) | Sorting device for jet mill | |
| CN219596851U (en) | Dust collection type jet mill | |
| CN204953065U (en) | A jet milling device for preparing pesticide powder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |