CN108273992B - Efficient high-frequency vibration divergent plasma powder spheroidizing device and method and application thereof - Google Patents
Efficient high-frequency vibration divergent plasma powder spheroidizing device and method and application thereof Download PDFInfo
- Publication number
- CN108273992B CN108273992B CN201810282493.0A CN201810282493A CN108273992B CN 108273992 B CN108273992 B CN 108273992B CN 201810282493 A CN201810282493 A CN 201810282493A CN 108273992 B CN108273992 B CN 108273992B
- Authority
- CN
- China
- Prior art keywords
- powder
- spheroidizing
- frequency vibration
- conical disc
- plasma
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/14—Treatment of metallic powder
- B22F1/142—Thermal or thermo-mechanical treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/06—Metallic powder characterised by the shape of the particles
- B22F1/065—Spherical particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2202/00—Treatment under specific physical conditions
- B22F2202/13—Use of plasma
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Plasma Technology (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The invention discloses a high-efficiency high-frequency vibration divergent plasma powder spheroidizing device and a use method thereof, wherein the high-efficiency high-frequency vibration divergent plasma powder spheroidizing device comprises a high-frequency vibration device, a powder dispersion conical disc and a powder spheroidizing device; the powder dispersing conical disc is connected with the high-frequency vibration device and is arranged in the powder spheroidizing device, and the vibration frequency is the same as that of the high-frequency vibration device; through controlling conveyer send powder volume and send powder speed, regulate and control high frequency vibration device's vibration frequency, combine powder dispersion conical disc with the even high-efficient dispersion of powder, through adjusting spheroidization room's temperature and gas flow, make whole equipment form an organic wholely, be favorable to each powder evenly being heated in the free fall in-process in spheroidization room, improve the effect of powder balling. The invention fundamentally solves the problems of concentrated disordered powder input, easy agglomeration, uneven heating, low spheroidization efficiency and the like of the existing plasma powder spheroidization method, and the high-efficiency high-frequency vibration divergent plasma powder spheroidization device has low manufacturing cost and can realize large-scale and batch production in a real sense.
Description
Technical Field
The invention relates to the field of materials, in particular to a high-efficiency high-frequency vibration divergent plasma powder spheroidizing device, a method and application thereof.
Background
Plasma spheroidization is a new process for preparing spherical powder, and the technology is first proposed by METCO company and applied to the preparation of hollow spherical zirconia powder. The technology heats irregularly-shaped powder prepared by the conventional preparation method into semi-solid particles in a plasma flame flow through the high temperature property of the plasma flame and the controllability of flame flow media, and then rapidly cools and solidifies into spherical particles in an inert atmosphere or water. The shape of the powder subjected to plasma spheroidization is mainly spherical, and the spherical powder has good fluidity and surface property, is beneficial to eliminating the pores of a powder pressed blank, and thus, the density and mechanical property of a powder metallurgy product are remarkably improved. The plasma spheroidization can effectively improve the purity of the powder besides improving the surface morphology of the powder, so that the method is commonly used for spheroidization of pure metals, alloys and various ceramic powders.
The existing plasma spheroidizing process is to send irregularly shaped powder into induction plasma through inert gas to quickly heat and melt the irregularly shaped powder, and the liquid particles form spherical liquid drops under the action of surface tension and resolidify in a short time, so that spherical powder particles are obtained. However, the existing plasma method has the problems of concentrated disordered powder input, easy agglomeration, uneven heating, low spheroidization efficiency and the like, and the spheroidization equipment is extremely expensive, so that the large-scale and batch production in the true sense is difficult to realize.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a high-efficiency high-frequency vibration divergent plasma powder spheroidizing device which scientifically controls the transportation and dispersion of powder, realizes uniform and high-efficiency heating of the powder in ion jet flow and finally prepares high-quality spherical powder.
The invention further aims to disclose a using method of the high-efficiency high-frequency vibration divergent plasma powder spheroidizing device, which ensures that the powder is orderly and fast conveyed and controllable in conveying capacity, the high-frequency vibration centrifugal divergence ensures that the powder is uniformly dispersed and is not easy to agglomerate, and the powder is uniformly heated in a spheroidizing chamber, so that the spheroidizing efficiency is high and the spheroidizing effect is good; can be produced in large scale and in batch.
The high-efficiency high-frequency vibration divergent plasma powder spheroidizing device can be applied to preparing high-quality spherical powder such as W powder, co powder, ni powder and WC powder.
The invention aims at being realized by the following technical scheme:
the invention discloses a high-efficiency high-frequency vibration divergent plasma powder spheroidizing device, which comprises a high-frequency vibration device, a powder dispersion conical disc and a powder spheroidizing device; the powder dispersing conical disc is connected with the high-frequency vibration device and is arranged in the powder spheroidizing device;
the high-frequency vibration device sequentially comprises a feed inlet and a conveying device from top to bottom, and the conveying device passes through the inside of the feed inlet and is arranged to convey powder into the powder spheroidizing device;
the powder dispersing conical disc is a conical disc containing through hole grooves and is arranged to uniformly and efficiently disperse powder;
the powder spheroidizing device is of a multilayer structure and comprises a spheroidizing chamber and a cooling circulation zone arranged on the outer wall of the spheroidizing chamber; the spheroidizing chamber comprises a feeding end and a collecting end which are respectively arranged at two ends, a first conveying pipe for introducing plasma gas is arranged at one side close to the feeding end, and a second conveying pipe for inert gas is arranged at one side close to the collecting end.
The powder dispersion conical disc is connected with the high-frequency vibration device through bolts, and the vibration frequency is the same as that of the high-frequency vibration device; the vibration frequency is the same as that of the high-frequency vibration device; through controlling conveyer send powder volume and send powder speed, regulate and control high frequency vibration device's vibration frequency, combine powder dispersion conical disk with the even high-efficient dispersion of powder, through adjusting spheroidization room's temperature and gas flow, make whole equipment form a whole, be favorable to every powder evenly being heated in the free fall in-process in the spheroidization room, improve the effect of powder spheroidization.
Further, the conveying device comprises a speed regulating motor and a worm gear.
Further, through hole grooves with the same width are uniformly distributed on the powder dispersing conical disc, the groove width of each through hole groove is 2-5 times of the average particle size of the powder to be treated, the angle between the through hole grooves is 3-12 degrees, and the cone angle of the conical disc is 140-160 degrees.
Further preferably, the width of the through-hole grooves is 3 times the average particle diameter of the powder to be treated, the angle between the through-hole grooves is 5 °, and the cone angle of the conical disc is 150 °.
Further, the diameter of the powder dispersing conical disc is 5-10 mm smaller than the inner diameter of the spheroidizing chamber.
In the high-efficiency high-frequency vibration divergent plasma powder spheroidizing device, the powder dispersing conical disc is connected with the high-frequency vibration device, the vibration frequency of the conical disc is determined by the high-frequency vibration device, and powder added into the powder dispersing conical disc efficiently and uniformly passes through the through hole groove under the action of high-frequency vibration, so that the high-efficiency high-frequency vibration divergent plasma powder spheroidizing device has two advantages:
firstly, the powder is prevented from being concentrated in a certain area and entering a spheroidizing chamber, the powder is not easy to scatter or even agglomerate, the powder is heated unevenly, and the spheroidizing effect of the powder is poor;
secondly, irregular powder with a shape enters the spheroidizing chamber through the through hole grooves on the powder dispersing conical disc, and the distribution is beneficial to uniformly heating each powder in the free falling process in the spheroidizing chamber, so that the spheroidizing effect of the powder is improved.
The invention further discloses a using method of the high-efficiency high-frequency vibration divergent plasma powder spheroidizing device, which comprises the following steps of:
s1, adding irregularly-shaped powder into a feed inlet, and quantitatively conveying the powder into a powder dispersion conical disc through the feed inlet; the powder feeding speed is 100-1000 g/min, and the powder in the powder dispersion conical disc is input into the spheroidizing chamber through a through hole groove on the powder dispersion conical disc;
s2, simultaneously introducing plasma gas into the conveying pipe I, wherein the flow rate of the plasma gas is 2-5L/min, the pressure is 0.3-0.8 MPa, and the temperature is 10000-20000 ℃; the plasma gas is formed by mixing argon and hydrogen according to a volume ratio of 1:2-1:4; the spheroidization time is 0.5-1.5 s;
s3, simultaneously introducing inert gas into the conveying pipe two-way spheroidizing chamber, wherein the inert gas is cooling gas, the temperature of the cooling gas is-50-10 ℃, and the flow rate of the inert gas is 50-300L/min.
Further preferably, in step S2, the flow rate of the high-efficiency high-frequency vibration divergent plasma gas is 3L/min, the pressure is 0.5MPa, and the temperature is 15000 ℃.
Further preferably, the high-efficiency high-frequency vibration divergent plasma gas is mixed by argon and hydrogen according to a volume ratio of 1:3.
Further preferably, the temperature of the cooling gas is-20-0 ℃, and the flow rate of the inert gas is 100-150L/min.
Further preferably, the vibration frequency of the high-frequency vibration device is 1000-3000 Hz.
The invention further aims to disclose that the high-efficiency high-frequency vibration divergent plasma powder spheroidizing device is applied to preparing any spherical powder of W powder, co powder, ni powder and WC powder.
Compared with the prior art, the invention has the beneficial effects that:
the high-efficiency high-frequency vibration divergent plasma powder spheroidizing device disclosed by the invention has the advantages that the powder feeding quantity and the powder feeding speed of the high-frequency vibration device are controlled, the powder is uniformly dispersed by combining the powder dispersing conical disc through controlling the vibration frequency of the high-frequency vibration device, and the whole device is integrated by adjusting the temperature and the gas flow of the spheroidizing chamber, so that each powder is uniformly heated in the free falling process of the spheroidizing chamber, and the powder spheroidizing effect is improved. The invention fundamentally solves the problems of concentrated disordered powder input, easy agglomeration, uneven heating, low spheroidization efficiency and the like of the existing plasma spheroidization method, and the high-efficiency high-frequency vibration divergent plasma powder spheroidization device has low manufacturing cost and can realize large-scale and batch production in a real sense.
The high-efficiency high-frequency vibration divergent plasma powder spheroidizing device can be configured according to the average particle size of the powder to be spheroidized, and the width of the through hole groove of the powder dispersion conical disc is used for ensuring that more than 99.5% of irregularly-shaped powder can pass through. And the powder dispersion conical disc is detachable, so that the powder dispersion conical disc can be replaced according to actual production requirements, the spheroidization efficiency of different powders is ensured, and the powder dispersion conical disc has the advantages of simple equipment, convenience in control, high production efficiency, low cost and the like.
The invention discloses a use method of a high-efficiency high-frequency vibration divergent plasma powder spheroidizing device, which is simple to operate, is more beneficial to industrialized popularization of powder spheroidizing production, and has great economic benefit.
Drawings
FIG. 1 is a schematic diagram of a high-efficiency high-frequency vibration divergent plasma powder spheroidizing apparatus of the present invention.
Fig. 2 is a schematic side view of the powder dispersion cone disk of the present invention.
Fig. 3 is a schematic top view of the powder dispersion cone disk of the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and the specific examples. For convenience of explanation, the reagents, instruments, equipment, etc. used in the following examples of the present invention are exemplified as follows, but the present invention is not limited thereto.
The inventors state that the detailed process equipment and process flows of the present invention are described by the above embodiments, but the present invention is not limited to the above detailed process equipment and process flows, i.e., it does not mean that the present invention must be implemented depending on the above detailed process equipment and process flows. It should be apparent to those skilled in the art that any modification of the present invention, equivalent substitution of raw materials for the product of the present invention, addition of auxiliary components, selection of specific modes, etc., falls within the scope of the present invention and the scope of disclosure.
Example 1 high efficiency high frequency vibration divergent plasma powder spheroidizing apparatus
As shown in fig. 1, the high-efficiency high-frequency vibration divergent plasma powder spheroidizing device of the embodiment comprises a high-frequency vibration device, a powder dispersion conical disc 5 and a powder spheroidizing device; the powder dispersing conical disc 5 and the high-frequency vibration device 13 are connected through a bolt and are arranged in the powder spheroidizing device, the vibration frequency of the powder dispersing conical disc is the same as that of the high-frequency vibration device, wherein the high-frequency vibration device 13 sequentially comprises a feed inlet 2 and a conveying device from top to bottom, and the conveying device passes through the inside of the feed inlet 2 and is arranged to convey powder into the powder spheroidizing device; the conveying device comprises a speed regulating motor 1 and a worm gear 4. The powder dispersing conical disk 5 is a conical disk uniformly distributed with through-hole grooves 11 of the same width (see fig. 2 and 3), which is provided to uniformly and efficiently disperse the powder; the width of the through hole groove is 2-5 times of the average particle size of the powder to be treated, and in the embodiment, 3 times of the width of the through hole groove; the angle between the through hole grooves is 3-12 degrees, in this embodiment 5 degrees; the cone angle 14 of the conical disc is 140-160 °, in this example 150 °, and the diameter of the powder dispersion conical disc is 5-10 mm smaller than the inner diameter of the spheroidizing chamber, in this example 8mm.
The powder spheroidizing device is of a multi-layer structure and comprises a spheroidizing chamber 10 and a cooling circulation zone 8 arranged on the outer wall of the spheroidizing chamber 10; the spheroidizing chamber 10 comprises a feeding end 12 and a collecting end 9 which are respectively arranged at two ends, a first conveying pipe 6 for introducing plasma gas is arranged at one side close to the feeding end 12, and a second conveying pipe 7 for inert gas is arranged at one side close to the collecting end.
Example 2 method of Using high efficiency high frequency vibration divergent plasma powder spheroidizing apparatus
The embodiment discloses a use method of the high-efficiency high-frequency vibration divergent plasma powder spheroidizing device of the embodiment 1, which comprises the following steps:
s1, adding irregularly-shaped powder into a feed inlet, and quantitatively conveying the powder into a powder dispersion conical disc through a conveying device; the powder feeding speed is 100-1000 g/min, and the powder in the powder dispersion conical disc is input into the spheroidizing chamber through a through hole groove on the powder dispersion conical disc; the vibration frequency of the high-frequency vibration device is 1000-3000 Hz, and the vibration frequency of the embodiment is 2500Hz.
S2, simultaneously introducing plasma gas into the conveying pipe I, wherein the flow rate of the plasma gas is 2-5L/min, and 3L/min is selected in the embodiment; the pressure is 0.3-0.8 MPa, in the embodiment, the pressure is 0.5MPa, the temperature is 10000-20000 ℃, and in the embodiment, the pressure is 15000MPa; the ionic gas is argon and hydrogen which are mixed according to the volume ratio of 1:2-1:4; in this embodiment, a volume ratio of 1:3, the spheroidization time is 0.5-1.5 s.
S3, simultaneously introducing inert gas argon into the conveying pipe two-way spheroidizing chamber, wherein the inert gas is cooling gas, the temperature of the cooling gas is-50-10 ℃, and the flow rate of the inert gas is 50-300L/min; in this embodiment, the temperature of the cooling gas is-20 to 0 ℃, and the flow rate of the inert gas is 100 to 150L/min.
The invention relates to a working principle of a high-efficiency high-frequency vibration divergent plasma powder spheroidizing device, which comprises the following steps: the irregular powder 3 is added into the feed inlet 2, the worm gear 4 is driven to rotate by the speed regulating motor 1, and the powder is quantitatively conveyed into the powder dispersing conical disc 5 by regulating the rotating speed of the speed regulating motor; the powder in the powder dispersion cone 5 is fed into the spheroidizing chamber 10 through the through-hole grooves 11 through which the powder is uniformly distributed; the width of the through hole groove on the powder dispersion conical disc is 2-5 times of the average particle size of the powder to be treated; the powder added into the powder dispersion conical disc 5 uniformly spreads from the cone top to the periphery along the conical disc under the action of high-frequency vibration force of the powder dispersion conical disc, and the arrangement can effectively avoid the powder from being concentrated in a certain area to enter the spheroidizing chamber 10, so that the powder is not easy to scatter or even agglomerate, the powder is heated unevenly, and the powder spheroidizing effect is poor.
The width of the through-hole groove in the powder dispersion cone 5 is sized to ensure that 99.5% or more of the irregular powder 3 can pass. This distribution facilitates uniform heating of each powder during free fall in the spheroidizing chamber 10 and improves the spheroidizing effect of the powder.
In the invention, irregular powder 3 entering a spheroidizing chamber 10 through a powder dispersion conical disc moves in a free falling manner, is rapidly heated under the high temperature effect of high-efficiency high-frequency vibration divergent plasma gas 6, the edges and corners of the irregular powder are melted first, other surface areas are micro-melted, even the whole powder is melted, and the spheroidization of the irregular powder is realized under the action of surface tension.
In order to realize the rapid cooling of the spherical powder with micro-melted surface in the spheroidizing chamber 10, inert cooling gas is introduced into the middle lower part of the spheroidizing chamber 10 to take away a large amount of heat in the spheroidizing chamber 10; meanwhile, the temperature in the spheroidizing chamber 10 is regulated and controlled by circulating cooling water on the inner wall of the spheroidizing chamber 10. The spheroidized and cooled powder enters the powder collecting end 9, and the powder dispersion cone disk of the invention can be configured according to the average particle size of the powder to be spheroidized, and the width of the through hole groove on the powder dispersion cone disk is used for ensuring that more than 99.5% of irregularly shaped powder can pass through. And the powder dispersion conical disc is detachable, so that the powder dispersion conical disc can be replaced according to actual production requirements, the spheroidization efficiency of different powders is ensured, and the powder dispersion conical disc has the advantages of simple equipment, convenience in control, high production efficiency, low cost and the like.
The invention discloses a use method of a high-efficiency high-frequency vibration divergent plasma powder spheroidizing device, which is simple to operate, is more beneficial to industrialized popularization of powder spheroidizing production, and has great economic benefit.
It is apparent that the above examples are only examples for clearly illustrating the technical solution of the present invention, and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are to be included in the protection of the present claims.
Claims (9)
1. The application method of the high-efficiency high-frequency vibration divergent plasma powder spheroidizing device is characterized by comprising the following steps of:
s1, adding irregularly-shaped powder into a feed inlet, and quantitatively conveying the powder into a powder dispersion conical disc through the feed inlet; the powder feeding speed is 100-1000 g/min, and the powder in the powder dispersion conical disc is input into the spheroidizing chamber through a through hole groove on the powder dispersion conical disc;
s2, simultaneously introducing plasma gas into the conveying pipe I, wherein the flow rate of the plasma gas is 2-5L/min, the pressure is 0.3-0.8 MPa, and the temperature is 10000-20000 ℃; the plasma gas is formed by mixing argon and hydrogen according to a volume ratio of 1:2-1:4; the spheroidization time is 0.5-1.5 s;
s3, simultaneously introducing inert gas into the conveying pipe two-way spheroidizing chamber, wherein the inert gas is cooling gas, the temperature of the cooling gas is-50-10 ℃, and the flow rate of the inert gas is 50-300L/min;
the high-efficiency high-frequency vibration divergent plasma powder spheroidizing device comprises a high-frequency vibration device, a powder dispersion conical disc and a powder spheroidizing device; the powder dispersing conical disc is connected with the high-frequency vibration device and is arranged in the powder spheroidizing device;
the high-frequency vibration device sequentially comprises a feed inlet and a conveying device from top to bottom, and the conveying device passes through the inside of the feed inlet and is arranged to convey powder into the powder spheroidizing device;
the powder dispersing conical disc is a conical disc containing through hole grooves and is arranged to uniformly and efficiently disperse powder;
the powder spheroidizing device is of a multilayer structure and comprises a spheroidizing chamber and a cooling circulation zone arranged on the outer wall of the spheroidizing chamber; the spheroidizing chamber comprises a feeding end and a collecting end which are respectively arranged at two ends, a first conveying pipe for introducing plasma gas is arranged at one side close to the feeding end, and a second conveying pipe for inert gas is arranged at one side close to the collecting end.
2. The method of claim 1, wherein the conveyor comprises a speed motor and a worm gear.
3. The method for using the high-efficiency high-frequency vibration divergent plasma powder spheroidizing device according to claim 1, wherein through hole grooves with the same width are uniformly distributed on the powder dispersion conical disc, the groove width of the through hole grooves is 2-5 times of the average particle size of powder to be treated, the angle between the through hole grooves is 3-12 degrees, and the cone angle of the conical disc is 140-160 degrees.
4. The method of using a high-efficiency high-frequency vibration diverging plasma powder spheroidizing apparatus as claimed in claim 3, wherein the width of the through-hole grooves is 3 times the average particle diameter of the powder to be treated, the angle between the through-hole grooves is 5 °, and the cone angle of the conical disk is 150 °.
5. The method of using a high-efficiency high-frequency vibration divergent plasma powder spheroidizing apparatus as claimed in claim 3, wherein the diameter of the powder dispersion conical disk is 5-10 mm smaller than the inner diameter of the spheroidizing chamber.
6. The method of claim 5, wherein in step S2, the flow rate of the plasma gas is 3L/min, the pressure is 0.5MPa, and the temperature is 15000 ℃; the plasma gas is formed by mixing argon and hydrogen according to a volume ratio of 1:3.
7. The method of claim 6, wherein the cooling gas is at a temperature of-20 to 0 ℃ and the inert gas flow is 100 to 150l/min.
8. The method of claim 5, wherein the high-frequency vibration device has a vibration frequency of 1000-3000 hz.
9. A method for using the high-efficiency high-frequency vibration divergent plasma powder spheroidizing device according to any one of claims 1-8, which is used for preparing any one spherical powder of W powder, co powder, ni powder and WC powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810282493.0A CN108273992B (en) | 2018-04-02 | 2018-04-02 | Efficient high-frequency vibration divergent plasma powder spheroidizing device and method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810282493.0A CN108273992B (en) | 2018-04-02 | 2018-04-02 | Efficient high-frequency vibration divergent plasma powder spheroidizing device and method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108273992A CN108273992A (en) | 2018-07-13 |
| CN108273992B true CN108273992B (en) | 2023-08-15 |
Family
ID=62810795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810282493.0A Active CN108273992B (en) | 2018-04-02 | 2018-04-02 | Efficient high-frequency vibration divergent plasma powder spheroidizing device and method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108273992B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109727745A (en) * | 2018-12-17 | 2019-05-07 | 北京康普锡威科技有限公司 | Iron-based soft magnetic composite material and preparation method |
| CN111443164B (en) * | 2020-03-19 | 2022-08-23 | 浙江大学宁波理工学院 | Gas simulation experiment device based on machine vision |
| CN114101663B (en) * | 2022-01-27 | 2022-04-15 | 西部宝德科技股份有限公司 | Spherical nickel powder and preparation method and application thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005219971A (en) * | 2004-02-05 | 2005-08-18 | Hitachi Metals Ltd | Silicon spherical powder and its manufacturng method |
| CN102489710A (en) * | 2011-12-19 | 2012-06-13 | 中国兵器工业第五二研究所 | Method for increasing collection efficiency in preparing nanometer copper-silver alloy powder by using inductive plasmas |
| CN202460971U (en) * | 2011-12-29 | 2012-10-03 | 漳州市万诚粉体涂料有限公司 | Vibrating-type screening device |
| CN203155113U (en) * | 2012-12-04 | 2013-08-28 | 上海张江中药现代制剂技术工程研究中心 | Vibrating powder dispersing and spreading device for powder supply |
| CN203461151U (en) * | 2013-08-13 | 2014-03-05 | 湖南科伦制药有限公司 | Powder leakage prevention device for split charging of powdery medicine |
| CN105537602A (en) * | 2015-12-25 | 2016-05-04 | 中国科学院重庆绿色智能技术研究院 | Rapid large-scale preparing method for spherical ultra-high-temperature alloy powder for 3D printing |
| CN205414417U (en) * | 2016-03-25 | 2016-08-03 | 湖南久泰冶金科技有限公司 | Device of plasma atomizing preparation high performance powder for vibration material disk |
| RU172337U1 (en) * | 2016-07-27 | 2017-07-04 | Игорь Александрович Зябрев | Dosing device for fine and nanodispersed powders |
| CN107175328A (en) * | 2017-06-09 | 2017-09-19 | 中国航天空气动力技术研究院 | A kind of dust feeder being used for during catalytic behavior of materials spheroidizing of powder |
| CN209139813U (en) * | 2018-04-02 | 2019-07-23 | 湖南工业大学 | A kind of high efficiency high frequency vibration divergence expression plasma powder spheroidization device |
-
2018
- 2018-04-02 CN CN201810282493.0A patent/CN108273992B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005219971A (en) * | 2004-02-05 | 2005-08-18 | Hitachi Metals Ltd | Silicon spherical powder and its manufacturng method |
| CN102489710A (en) * | 2011-12-19 | 2012-06-13 | 中国兵器工业第五二研究所 | Method for increasing collection efficiency in preparing nanometer copper-silver alloy powder by using inductive plasmas |
| CN202460971U (en) * | 2011-12-29 | 2012-10-03 | 漳州市万诚粉体涂料有限公司 | Vibrating-type screening device |
| CN203155113U (en) * | 2012-12-04 | 2013-08-28 | 上海张江中药现代制剂技术工程研究中心 | Vibrating powder dispersing and spreading device for powder supply |
| CN203461151U (en) * | 2013-08-13 | 2014-03-05 | 湖南科伦制药有限公司 | Powder leakage prevention device for split charging of powdery medicine |
| CN105537602A (en) * | 2015-12-25 | 2016-05-04 | 中国科学院重庆绿色智能技术研究院 | Rapid large-scale preparing method for spherical ultra-high-temperature alloy powder for 3D printing |
| CN205414417U (en) * | 2016-03-25 | 2016-08-03 | 湖南久泰冶金科技有限公司 | Device of plasma atomizing preparation high performance powder for vibration material disk |
| RU172337U1 (en) * | 2016-07-27 | 2017-07-04 | Игорь Александрович Зябрев | Dosing device for fine and nanodispersed powders |
| CN107175328A (en) * | 2017-06-09 | 2017-09-19 | 中国航天空气动力技术研究院 | A kind of dust feeder being used for during catalytic behavior of materials spheroidizing of powder |
| CN209139813U (en) * | 2018-04-02 | 2019-07-23 | 湖南工业大学 | A kind of high efficiency high frequency vibration divergence expression plasma powder spheroidization device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108273992A (en) | 2018-07-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108273992B (en) | Efficient high-frequency vibration divergent plasma powder spheroidizing device and method and application thereof | |
| CN110480024B (en) | Method for preparing CuCrZr spherical powder based on VIGA process | |
| US11911826B2 (en) | Preparation of titanium and titanium alloy powder for 3D printing based on fluidized bed jet milling technique | |
| CN106670452A (en) | Method for preparing spherical 3D printing powder through plasma shaping | |
| JP6599887B2 (en) | Material processing method and apparatus using atmospheric pressure thermal plasma reactor | |
| CN101838136A (en) | Preparation method of aluminium oxide and titanium dioxide compound ceramic powder | |
| CN102689015A (en) | Metal powder preparation device and method therefor | |
| CN102259186A (en) | Method for producing thin spherical tungsten powder | |
| KR102020650B1 (en) | Continuous recovery system for gas-atomized metal powder | |
| CN108188389B (en) | Plasma powder spheroidizing device and method and application thereof | |
| CN101775527A (en) | Ceramic particle reinforced aluminum-based gradient composite material and preparation method thereof and jetting precipitation device for preparing material | |
| CN108356274A (en) | A kind of TiB used for hot spraying2- Ni based ceramic metal composite construction feedings and preparation method thereof | |
| CN104985188A (en) | Method for preparing atomized iron powder containing nano ceramic phase | |
| CN202684094U (en) | Device for preparing metal powder | |
| CN107175328A (en) | A kind of dust feeder being used for during catalytic behavior of materials spheroidizing of powder | |
| CN108274011B (en) | Preparation method of metal powder with bimodal distribution suitable for 3D printing | |
| CN209139813U (en) | A kind of high efficiency high frequency vibration divergence expression plasma powder spheroidization device | |
| CN113909479A (en) | Preparation method of superfine spherical zirconium powder capable of realizing particle size classification | |
| CN111069615B (en) | Spherical high-chromium copper alloy powder for 3D printing and preparation method thereof | |
| CN110711858A (en) | Iron-based master alloy powder balling device | |
| CN111421142A (en) | Preparation method of spherical titanium powder | |
| TW201706055A (en) | A hybrid atomization device | |
| CN104152679B (en) | A kind of intensified by ultrasonic wave iron ore powder sintering method | |
| CN110315067B (en) | Low-oxygen-content flaky superfine metal powder and preparation method, production equipment and application thereof | |
| CN207071678U (en) | A kind of dust feeder being used for during catalytic behavior of materials spheroidizing of 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |