CN207770842U - Produce the device of powder - Google Patents
Produce the device of powder Download PDFInfo
- Publication number
- CN207770842U CN207770842U CN201721399897.5U CN201721399897U CN207770842U CN 207770842 U CN207770842 U CN 207770842U CN 201721399897 U CN201721399897 U CN 201721399897U CN 207770842 U CN207770842 U CN 207770842U
- Authority
- CN
- China
- Prior art keywords
- tank
- tank body
- purge port
- port
- evaporation source
- 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.)
- Expired - Fee Related
Links
- 239000000843 powder Substances 0.000 title claims abstract description 33
- 238000001704 evaporation Methods 0.000 claims abstract description 32
- 238000010926 purge Methods 0.000 claims abstract description 31
- 230000008020 evaporation Effects 0.000 claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 claims abstract description 16
- 239000010410 layer Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- -1 tank body Substances 0.000 abstract description 2
- 229910001172 neodymium magnet Inorganic materials 0.000 description 21
- 239000011261 inert gas Substances 0.000 description 6
- 229910052692 Dysprosium Inorganic materials 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 229910052771 Terbium Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005253 cladding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000006247 magnetic powder Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Landscapes
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Physical Vapour Deposition (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses a kind of devices producing powder, including tank body, air supply unit, vacuum unit, evaporation source, feeding tank and rewinding tank；It is provided with the first purge port at the top of tank body, the lower part of side wall is provided with the second purge port, bottom is provided with inlet port and outlet port, the lower part of the first purge port of tank interior is provided with deflector；First purge port, the second purge port pass through the air accumulator of piping connection air supply unit respectively；Feed inlet passes through piping connection rewinding tank by piping connection feeding tank, discharge port；Vacuum unit is separately connected the side wall and discharge port of tank body by pipeline, and evaporation source is arranged in the inside of tank body, passes through wire connecting power.The utility model is easy to operate, manufacturing cost is low, using effect is good, Dy/Tb dosages are few.
Description
Technical field
The utility model is related to a kind of fuel pulverizing plants of Sintered NdFeB industrialization production, specifically, are related to a kind of production powder
The device of body.
Background technology
Although the method for having invented many related NdFeB claddings Dy/Tb metallics at present, equal equipment is expensive, Dy/
Tb utilization rates are low, and production is with Dy, Tb Cost And Performance than difference unobvious.Therefore, it in the case where not reducing performance, designs
A kind of method or apparatus greatly improving strong Xiang Li is Sintered NdFeB industrialization production urgent problem.
Utility model content
The technical issues of the utility model is solved is to provide a kind of device producing powder, easy to operate, manufacturing cost
It is low, using effect is good, Dy/Tb dosages are few.
Technical solution is as follows：
A kind of device producing powder, including tank body, air supply unit, vacuum unit, evaporation source, feeding tank and rewinding
Tank；It is provided with the first purge port at the top of tank body, the lower part of side wall is provided with the second purge port, bottom is provided with feed inlet
And discharge port, the lower part of the first purge port of tank interior are provided with deflector；First purge port, the second purge port pass through pipe respectively
Road connects the air accumulator of air supply unit；Feed inlet passes through piping connection rewinding tank by piping connection feeding tank, discharge port；It takes out true
Dummy cell is separately connected the side wall and discharge port of tank body by pipeline, and evaporation source is arranged in the inside of tank body, is connected by conducting wire
Power supply.
Further：Evaporation source forms Dy/Tb atoms for heating Dy/Tb metals and evaporating.
Further：The top of tank body is hemispherical, and bottom is cone, and side wall is cylindricality, and the shape of deflector is hemisphere
Face shape.
Further：Tank body uses single layer or double-layer structure, and under double-layer structure, centre is water cooling layer.
Further：Purge port is tilted to side, to form swirling eddy.
Compared with prior art, the utility model technique effect includes：
The utility model is easy to operate, manufacturing cost is low, using effect is good, Dy/Tb dosages are few, in the feelings for not reducing performance
Under condition, moreover it is possible to greatly improve strong Xiang Li.
The utility model can control NdFeB powder admission velocity, working gas inlet and outlet speed, control Dy, Tb gold
The evaporation rate of category, the ratio of control Dy, Tb in product NdFeB powders, can reach Dy, Tb and account for the total matter of NdFeB as required
0.01% ratio of amount, finally obtain it is a kind of be adhered to one layer of Dy/Tb metallic can be used for sintered ndfeb permanent magnet production
Suitable powder.
Description of the drawings
Fig. 1 is the usage state diagram for the device that powder is produced in the utility model；
Fig. 2 is the flow graph that lateral inert gas flow drives evaporation atom in the utility model.
Specific implementation mode
It elaborates to technical solutions of the utility model below with reference to example embodiment.However, example embodiment
It can implement in a variety of forms, and be not understood as limited to embodiment set forth herein；On the contrary, providing these embodiments
So that the utility model is more comprehensively and completely, and the design of example embodiment is comprehensively communicated to those skilled in the art
Member.
Production powder device can be used for high efficiency production adherency Dy or Tb NdFeB coated composite powders, can by Dy (or
Tb)：The ratio of NdFeB produces NdFeB coated composite powders, to manufacture high performance sintered NdFeB permanent magnets.
As shown in Figure 1, being the usage state diagram for the device for producing powder in the utility model；As shown in Fig. 2, being this practicality
Novel middle lateral inert gas flow drives the flow graph of evaporation atom.
The structure of device for producing powder includes：Tank body 1, air supply unit, vacuum unit 2, evaporation source 3, feeding tank and
Rewinding tank.
Tank body 1 is a sealing structure, is the agent structure of the utility model, and height is unlimited, and horizontal cross-section is circle
Or be polygon, horizontal size is determined according to the height of shell.If the height of tank body 1 is high, horizontal cross section dimension is on the contrary with regard to big
It is as the same.In this preferred embodiment, a diameter of 5mm~5000mm of horizontal cross-section, vertical height is no more than 10 meters.
The top of tank body 1 is hemispherical, and bottom is cone, and side wall is cylindricality, and hemispheric top is provided with first and blows
Mouth 11 is sent, the lower part of side wall is provided with the second purge port 12, bottom is provided with feed inlet 13 and discharge port 14, in tank body 1
The lower part of the first purge port of portion 11 is provided with deflector 15, and the shape of deflector 15 is hemisphere face shape.The material selection gold of tank body 1
Belong to steel or stainless steel, it can be provided single layer or bilayer, under double-layer structure, centre is water cooling layer.The section of side wall is using circle
Cylindricality or polygon.One group of second purge port, 12 level, one group sets 1,2 or 2 or more, can will not by different height
It is arranged on side wall with the second purge port 12 of group.
First purge port 11, the second purge port 12 by the air accumulator of piping connection air supply unit, Ar in air accumulator,
N2, He inert gases pass through the first purge port 11, the second purge port 12 enter tank body 1 inside.In this preferred embodiment, setting
There are four the second purge ports 12, and four the second purge ports 12 are tilted to side, to form swirling eddy.
Deflector 15 makes air-flow laterally flow downward.The effect of deflector 15 is Ar, the N to get off from above2Or He
Air-flow is shunted and is flowed downward around, while the atom of evaporation being driven to flow downward, and atom is adhered to after encountering NdFeB powders
On NdFeB powders, discharge port 14 is dropped to.
Feed inlet 13 enters tank body 1 for conveying NdFeB original powder bodies, passes through piping connection feeding tank.Discharge port 14 is used for
The NdFeB powders after covering Dy/Tb are collected and be discharged, by piping connection rewinding tank, are used for production NdFeB magnets.
Vacuum unit 2 is separately connected the side wall and discharge port 14 of tank body 1 by pipeline, by vacuum unit 2 by tank
1 inside of body extra Ar or N2Or the extraction of He gas, there are pressure difference, original of the air-flow evaporation with top for the lower part of guarantee tank body 1
Son blows to tank base with NdFeB powders, it is ensured that the metallic atom of evaporation is adhered to whereabouts on powder.
Evaporation source 3 is arranged in the inside of tank body 1, and by wire connecting power, high temperature, temperature are generated by low-voltage, high-current
Up to 3000 DEG C or more, metal instant melting can be made to evaporate, one or more evaporation source 3 can be designed.Evaporation source 3 is for heating
Dy/Tb metals and evaporate form Dy/Tb atoms.Evaporation source 3 is selected：(electron beam, evaporation boat, inductance coil) tungsten material solenoid steams
Hair is heating source, and temperature is more than 3000 DEG C, and power is 50000~100 kilowatts.
The method for producing powder is specific as follows：
Step 1：Vacuum unit 2 is sent into inertia to being vacuumized inside tank body 1, by the first purge port 11 into tank body 1
Gas forms air-flow；
When device is started to work, tank body is first evacuated to 100Pa hereinafter, the first purge port 11 is started to work, feeding is lazy
Property gas (Ar, N2, He gases), start to work under protective atmosphere inside shell 1.
Step 2：Evaporation source 3 powers on, when 3 temperature of evaporation source reaches 3000 DEG C or more, by manipulator be put into Dy or
The particle or silk of Tb is to evaporation source 3；
Step 3：Second purge port 12 is sent into inert gas, opens feed inlet 13, and NdFeB powders are blown into tank by inert gas
Inside body 1；
Step 4：Air-flow downwards blows the atom 4 of evaporation, forms Dy/Tb atoms and Ar, N2, He inert gas gaseous mixtures
Stream, mixed airflow continue to move downward；
Step 5：After Dy/Tb atoms meet with NdFeB powders, Dy/Tb atoms are attached on NdFeB powders, form cladding
Powder；
Step 6：Coated composite powder collects in discharge port 14, is pipelined to the collection of rewinding tank.
Embodiment 1：
Powder takes the NdFeB magnetic powders of market sale, granularity to be less than 10 μm, and device is blown into material and weighs 10kg, feeding speed every time
Degree 100g/ minutes, 11 wind speed of the first purge port are 30,40,50,60 meter per seconds respectively, 3 evaporation capacity of evaporation source is 0.5 respectively,
1.0,2.0,3.0g/ minutes.
Remaining parameter constant of equipment in operation, evaporation source metal are Dy.
Embodiment 2：
Powder takes the NdFeB magnetic powders of market sale, granularity to be less than 10 μm, and device is blown into material and weighs 10kg, feeding speed every time
Degree 100g/ minutes, 4 wind speed of air outlet are 35,45,55,65 meter per seconds respectively, evaporation source evaporation capacity is 0.5 respectively, 1.0,1.5,
2.0g/ minute.
Remaining parameter constant of equipment in operation, evaporation source metal are Tb.
Term used in the utility model is explanation and term exemplary, and not restrictive.Due to the utility model energy
The enough spirit or essence being embodied in a variety of forms without departing from utility model, it should therefore be appreciated that above-described embodiment is unlimited
It in any details above-mentioned, and should widely be explained in the spirit and scope defined by appended claims, therefore fall into power
Whole variations and remodeling in profit requirement or its equivalent scope all should be appended claims and covered.
Claims (4)
1. a kind of device producing powder, it is characterised in that：Including tank body, air supply unit, vacuum unit, evaporation source, feeding
Tank and rewinding tank；The top of tank body is hemispherical, and bottom is cone, and side wall is cylindricality, and the shape of deflector is hemisphere face shape；
Be provided with the first purge port at the top of tank body, the lower part of side wall be provided with the second purge port, bottom be provided with feed inlet and
The lower part of discharge port, the first purge port of tank interior is provided with deflector；First purge port, the second purge port pass through pipeline respectively
Connect the air accumulator of air supply unit；Feed inlet passes through piping connection rewinding tank by piping connection feeding tank, discharge port；It vacuumizes
Unit is separately connected the side wall and discharge port of tank body by pipeline, and evaporation source is arranged in the inside of tank body, and electricity is connected by conducting wire
Source.
2. the device of production powder as described in claim 1, it is characterised in that：Evaporation source is for heating Dy/Tb metals and evaporating
Form Dy/Tb atoms.
3. the device of production powder as described in claim 1, it is characterised in that：Tank body uses single layer or double-layer structure, bilayer knot
Under structure, centre is water cooling layer.
4. the device of production powder as described in claim 1, it is characterised in that：Purge port is tilted to side, to form rotary pneumatic
Stream.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721399897.5U CN207770842U (en) | 2017-10-27 | 2017-10-27 | Produce the device of powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721399897.5U CN207770842U (en) | 2017-10-27 | 2017-10-27 | Produce the device of powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207770842U true CN207770842U (en) | 2018-08-28 |
Family
ID=63232541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721399897.5U Expired - Fee Related CN207770842U (en) | 2017-10-27 | 2017-10-27 | Produce the device of powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207770842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107876791A (en) * | 2017-10-27 | 2018-04-06 | 内蒙古盛本荣科技有限公司 | Produce the devices and methods therefor of powder |
-
2017
- 2017-10-27 CN CN201721399897.5U patent/CN207770842U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107876791A (en) * | 2017-10-27 | 2018-04-06 | 内蒙古盛本荣科技有限公司 | Produce the devices and methods therefor of powder |
| WO2019080755A1 (en) * | 2017-10-27 | 2019-05-02 | 内蒙古盛本荣科技有限公司 | Device and method for producing powder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180828 |