CN108212434A - A kind of plasmaassisted air-flow mill apparatus - Google Patents
A kind of plasmaassisted air-flow mill apparatus Download PDFInfo
- Publication number
- CN108212434A CN108212434A CN201711346550.9A CN201711346550A CN108212434A CN 108212434 A CN108212434 A CN 108212434A CN 201711346550 A CN201711346550 A CN 201711346550A CN 108212434 A CN108212434 A CN 108212434A
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- CN
- China
- Prior art keywords
- airflow milling
- main body
- air
- plasmaassisted
- pulverizing chamber
- 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.)
- Granted
Links
- 238000003801 milling Methods 0.000 claims abstract description 55
- 238000010298 pulverizing process Methods 0.000 claims abstract description 35
- 239000000843 powder Substances 0.000 claims abstract description 26
- 239000000919 ceramic Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 35
- 239000007789 gas Substances 0.000 claims description 24
- 239000007921 spray Substances 0.000 claims description 23
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical group [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 230000002708 enhancing effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001672694 Citrus reticulata Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/06—Jet mills
- B02C19/061—Jet mills of the cylindrical type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/18—Use of auxiliary physical effects, e.g. ultrasonics, irradiation, for disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/18—Use of auxiliary physical effects, e.g. ultrasonics, irradiation, for disintegrating
- B02C2019/183—Crushing by discharge of high electrical energy
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Disintegrating Or Milling (AREA)
- Plasma Technology (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
A kind of plasmaassisted air-flow mill apparatus, including airflow milling main body, electrode axis, airflow milling main body is equipped with feeding channel, graded region, pulverizing chamber is equipped in airflow milling main body, feeding channel, graded region and pulverizing chamber are connected, high-speed gas channel is further opened in airflow milling main body, high-speed gas channel is connected with pulverizing chamber, and electrode axis is mounted on the bottom in airflow milling main body by ceramic cap；Electrode axis connects the anode of power supply, and the shell of airflow milling main body connects cathode and the ground connection of power supply.The present invention has many advantages, such as that powder fining efficiency, enhancing powder active, the follow-up combined coefficient for improving powder can be improved.The invention belongs to airflow milling technical fields.
Description
Technical field
The invention belongs to airflow milling technical fields, and in particular to a kind of plasmaassisted spiral jet pulverizer device.
Background technology
Spiral jet pulverizer is one kind of airflow milling.Since the pulverizing chamber of spiral jet pulverizer is simple in structure, easy to manufacture,
So spiral jet pulverizer is widely used.Compressed air or superheated steam are become high speed gas by spiral jet pulverizer by nozzle
Stream, when material is sent into pulverizing chamber by feeder by the shear action of high-speed flow, strong impact and violent friction
Make crushing material into superfine product.It is mainly characterized by：Suitable for dryness, the ultra-fine grinding of brittle material, it is easy to obtain a few micrometers
Material for making clothes；Due to being crushed mainly by autogenous grinding between powder, product is not easy to pollute, and purity is high；There is no running gear, except liner is normally ground
Damage is outer, other parts will not generally damage；Closed non-dusting, environmental protection；Noise is low, without friction；It unpicks and washes conveniently；It can realize
High throughput continuous production, high degree of automation；Corresponding inner lining material can be selected (main according to material of different nature
In pulverizing chamber surrounding and charging and discharging tube portion), so as to solve hard material (Mohs' hardness is not more than 9) and viscous wall material in powder
Caused problem in broken.But the powder fining efficiency of current spiral jet pulverizer is high not enough.
Invention content
In view of the above-mentioned problems, the present invention provides a kind of plasmaassisted airflow milling dress that can improve powder fining efficiency
It puts, it also has many advantages, such as the follow-up combined coefficient for enhancing powder active, improving powder.
A kind of plasmaassisted air-flow mill apparatus, including airflow milling main body, electrode axis, airflow milling main body is equipped with pan feeding
Channel, graded region, airflow milling main body is interior to be equipped with pulverizing chamber, and feeding channel, graded region and pulverizing chamber are connected, airflow milling main body
On be further opened with high-speed gas channel, high-speed gas channel is connected with pulverizing chamber, electrode axis by ceramic cap be mounted on air-flow
Grind the bottom in main body；Electrode axis connects the anode of power supply, and the shell of airflow milling main body connects cathode and the ground connection of power supply.
One layer insulating of electrode outer shaft sleeve, the material of insulating layer is polytetrafluoroethylene (PTFE).
The feeding channel includes channel body, material bin, pan feeding nozzle, and channel body is installed on the upper of airflow milling main body
Portion, pan feeding nozzle are mounted on the upper end of channel body, and material bin is mounted in channel body and positioned at the downstream of pan feeding nozzle.
Using this structure, therefore conveniently add materials into pulverizing chamber, and can by the spray of pan feeding nozzle, blow material sprayed into pulverizing chamber
Interior, pan feeding is efficient.
The airflow milling main body includes airflow milling babinet, upper end cover, bottom end cover, and the middle part of airflow milling babinet is perforative circle
Cylindricality through-hole, bottom end cover are mounted on the lower section of cylindrical hole, and upper end cover is mounted on the top of cylindrical hole, cylindrical hole
Pulverizing chamber is formed after being closed by upper and lower end cap lid, graded region is mounted on upper end cover.
Circular through hole is offered in the middle part of bottom end cover, ceramic cap is rounded, and ceramic cap is mounted on the circular through hole of bottom end cover
Place, electrode axis one end are mounted on by sealing ring on ceramic cap, and the electrode axis other end stretches into graded region across pulverizing chamber.
High-speed gas channel includes air current spray nozzle and is arranged on circular passage on airflow milling babinet on the outside of cylindrical hole,
Air current spray nozzle is mounted on the lateral wall of airflow milling babinet, and air current spray nozzle is connected with circular passage, the inside of cylindrical hole
Aperture is offered on wall, circular passage is connected with pulverizing chamber by aperture.
The quantity of the air current spray nozzle is six, and air current spray nozzle is evenly distributed on the outside of airflow milling babinet.
Aperture is identical with the quantity of air current spray nozzle, and the position of aperture and air current spray nozzle is corresponding.
The gas being filled in pulverizing chamber for argon gas, nitrogen, oxygen, ammonia, hydrogen one kind, gas pressure be 0.1MPa extremely
1MPa。
Plasma be gas generated in discharge process a large amount of positive negative charged particles, electronics and neutral particle and from
A kind of quasi-neutrality gas for showing collective behavior being made of base.Wherein, low temperature plasma in material processing apply compared with
To be extensive, high electron energy and electron density that plasma has and the high activity particle impacting in excited state
Exposed material surface acts not only as a kind of heat source energy, and can also induce a series of physical and chemical reaction, so as to
Structure, ingredient, group and wellability for making material surface etc. changes.Dielectric barrier discharge (Dielectric barrier
discharge：DBD) be awkward silence at a meeting plasma a kind of normal method, be between two discharge electrodes be full of certain work gas
Body, and dielectric is added in wherein, when applying sufficiently high alternating voltage between two electrodes, interelectrode gas can be hit
It wears and generates electric discharge.Meanwhile dielectric barrier discharge can break away from the constraint of vacuum system needed for low pressure discharge plasma.Cause
This, dielectric barrier discharge structure is introduced into the airflow milling cavity with gas control, realizes plasma field and airflow milling
It organically combines, powder fining efficiency, enhancing powder active, the follow-up combined coefficient for improving powder can be significantly improved.
Advantages of the present invention：
1st, the present invention to material apply high-speed flow shearing, crush when, while by electrode axis connect positive pole, to
The shell of airflow milling main body connects the cathode of power supply so as to generate awkward silence at a meeting plasma in pulverizing chamber, therefore realizes plasma field
With the combination of airflow milling, powder fining efficiency, enhancing powder active, the follow-up synthesis effect for improving powder can be significantly improved
Rate.
2nd, the present invention covers a layer insulating in electrode axis, therefore can guarantee the uniformity and stability of glow,
And be avoided that spark discharge and caused by material scaling loss.
3rd, the present invention opens up cylindrical hole in the middle part of the tumbling barrel body that becomes a mandarin, and is used to form the pulverizing chamber of comminuting matter, and
The circular passage being connected with pulverizing chamber is formed in the outside of cylindrical hole, circular passage is connected with air current spray nozzle, at a high speed
Air-flow is after air current spray nozzle enters circular passage buffering, then is entered in pulverizing chamber by aperture, then material is sheared and powder
Broken, the air-flow buffered through circular passage enters pulverizing chamber through aperture again and forms the stronger air-flow of more stable, higher speed, impact force,
Therefore it is more preferable to stablize crushing effect to material, it is simple in structure and compact, and high-speed flow demand when can meet comminuting matter.
4th, six air current spray nozzles of present invention setting, therefore high-speed flow can be quickly filled with, reach air flow demand during crushing；
High-speed flow enters through opposite aperture in pulverizing chamber again after entering circular passage buffering, and six apertures are from around pulverizing chamber 360
Six orientation of degree are impacted material, are crushed, and crush more uniform.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the dimensional structure diagram of the present invention.
Fig. 3 is the mounting structure schematic diagram of electrode axis.
Wherein, 1 is material bin, and 2 be upper end cover, and 3 be channel body, and 5 be airflow milling babinet, and 6 be bottom end cover, and 7 be annular
Channel, 8 be electrode axis, and 9 be pulverizing chamber, and 10 be pan feeding nozzle, and 11 be graded region, and 12 be ceramic wafer, and 13 be sealing ring, and 14 be electricity
Source, 15 be insulating layer, and 16 be iron staff.
Specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.
A kind of plasmaassisted air-flow mill apparatus, including airflow milling main body, electrode axis, airflow milling main body is equipped with pan feeding
Channel, graded region are set by pulverizing chamber in airflow milling main body, and feeding channel, graded region and pulverizing chamber are connected, airflow milling main body
On be further opened with high-speed gas channel, high-speed gas channel is connected with pulverizing chamber, electrode axis by ceramic cap be mounted on air-flow
Grind the bottom in main body；Electrode axis connects the anode of power supply, and airflow milling main body connects the cathode of power supply and ground connection.
In the present embodiment, the airflow milling main body includes airflow milling babinet, upper end cover, bottom end cover.Airflow milling babinet
Middle part is perforative cylindrical hole, and the outside of cylindrical hole is circular passage, and the section of circular passage is circle, and annular is logical
Six apertures are uniformly provided on the madial wall in road, aperture is connected with cylindrical hole.It is uniform in the outside of airflow milling babinet
Six air current spray nozzles are distributed, air current spray nozzle is mounted on the lateral wall of airflow milling babinet, and the position of air current spray nozzle and aperture is opposite.
Upper end cover is mounted on the top of cylindrical hole, and graded region is mounted on upper end cover.Bottom end cover is mounted under cylindrical hole
Side；Circular through hole is offered in the middle part of bottom end cover, ceramic cap is rounded, and ceramic cap is mounted at the circular through hole of bottom end cover, electricity
Polar axis one end is mounted on ceramic cap by sealing ring and the outside of airflow milling main body is reached from ceramic cap, and electrode axis is another
Graded region is stretched into end across pulverizing chamber.The lower end of bottom end cover is two station feet, is supported device by two station feet of bottom end cover
Get up.One layer insulating of electrode outer shaft sleeve, the core of electrode axis is conductive iron staff, and the insulating layer of electrode outer shaft sleeve uses
Insulating polymer material is made, and the material of insulating layer can be polytetrafluoroethylene (PTFE).The cylindrical hole of airflow milling babinet is by upper end cover
Pulverizing chamber is formed after being covered with bottom end cover.
The feeding channel includes channel body, material bin, pan feeding nozzle.The upper end opening of channel body, lower ending opening,
Channel body is tiltedly mounted on upper end cover, and the lower ending opening of channel body is connected with upper end cover, and pan feeding nozzle is mounted on channel
It is sealed up at the upper end opening of main body and by opening, material bin is mounted in channel body and positioned at the downstream of pan feeding nozzle.
The course of work of the present invention：The air in device is emptied first with negative pressure device, then be filled in device argon gas,
Nitrogen, oxygen, ammonia, hydrogen one kind, and keep crush gas pressure inside be 0.1MPa to 1MPa；Starter, at a high speed
Air-flow starts to be filled with from air current spray nozzle, opens pan feeding nozzle, and add in material from material bin, the material of addition is fast by pan feeding nozzle
It sprays into pulverizing chamber fastly；Treat to start frictional impact between powder particle, after operating steadily so that device be respectively connected to etc. from
The positive and negative anodes of the shell access electrode of daughter power supply, electrode axis and airflow milling main body, the metal powder granulates sprayed are full of cavity,
Greatly shorten the discharging gap between discharge electrode and cavity inner wall so that gas ionization forms discharge plasma, finally
Form the mixing field of stable high velocity powder airflow field and plasma field；Enter at this time and crush indoor material by high speed gas
The airflow milling of stream and plasma field double action, material are anti-under the crushing of airflow milling, then in the plasma that intracavitary generates
Under multiple bombardment effect, material is processed to powder, and powder fining effect is good；After material powders, powder enters graded region, thinner
The powder of change more up enters the upper end of graded region, is collected the refinement powder isolated by corresponding equipment, tool；
It completes after all crushing, closes power supply and machine.
Above-described embodiment is invents preferable embodiment, but embodiments of the present invention are not limited by above-described embodiment
System, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (9)
1. a kind of plasmaassisted air-flow mill apparatus, it is characterised in that：Including airflow milling main body, electrode axis, airflow milling main body
Feeding channel, graded region are equipped with, pulverizing chamber is equipped in airflow milling main body, feeding channel, graded region and pulverizing chamber are connected,
High-speed gas channel is further opened in airflow milling main body, high-speed gas channel is connected with pulverizing chamber, and electrode axis passes through ceramic cap
Bottom in airflow milling main body；Electrode axis connects the anode of power supply, and the shell of airflow milling main body connects the cathode of power supply and connects
Ground.
2. a kind of plasmaassisted air-flow mill apparatus according to claim 1, it is characterised in that：The electrode outer shaft sleeve one
Layer insulating, the material of insulating layer is polytetrafluoroethylene (PTFE).
3. a kind of plasmaassisted air-flow mill apparatus according to claim 1, it is characterised in that：The feeding channel includes
Channel body, material bin, pan feeding nozzle, channel body are installed on the top of airflow milling main body, and pan feeding nozzle is mounted on channel master
The upper end of body, material bin are mounted in channel body and positioned at the downstream of pan feeding nozzle.
4. a kind of plasmaassisted air-flow mill apparatus according to claim 1, it is characterised in that：The airflow milling main body packet
Airflow milling babinet, upper end cover, bottom end cover are included, the middle part of airflow milling babinet is perforative cylindrical hole, and bottom end cover is mounted on circle
The lower section of cylindricality through-hole, upper end cover are mounted on the top of cylindrical hole, and cylindrical hole forms powder after being closed by upper and lower end cap lid
Broken room, graded region are mounted on upper end cover.
5. a kind of plasmaassisted air-flow mill apparatus according to claim 4, it is characterised in that：It is opened up in the middle part of bottom end cover
There is circular through hole, ceramic cap is rounded, and ceramic cap is mounted at the circular through hole of bottom end cover, and electrode axis one end is pacified by sealing ring
On ceramic cap, the electrode axis other end stretches into graded region across pulverizing chamber.
6. a kind of plasmaassisted air-flow mill apparatus according to claim 4, it is characterised in that：High-speed gas channel includes
Air current spray nozzle and circular passage on airflow milling babinet on the outside of cylindrical hole is arranged on, air current spray nozzle is mounted on airflow milling babinet
Lateral wall on, air current spray nozzle is connected with circular passage, offers aperture on the madial wall of cylindrical hole, circular passage and
Pulverizing chamber is connected by aperture.
7. a kind of plasmaassisted air-flow mill apparatus according to claim 6, it is characterised in that：The number of the air current spray nozzle
It is six to measure, and air current spray nozzle is evenly distributed on the outside of airflow milling babinet.
8. a kind of plasmaassisted air-flow mill apparatus according to claim 6, it is characterised in that：Aperture and air current spray nozzle
Quantity is identical, and the position of aperture and air current spray nozzle is corresponding.
9. a kind of plasmaassisted air-flow mill apparatus according to claim 1, it is characterised in that：The gas being filled in pulverizing chamber
Body is argon gas, one kind of nitrogen, oxygen, ammonia, hydrogen, and gas pressure is 0.1MPa to 1MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711346550.9A CN108212434B (en) | 2017-12-15 | 2017-12-15 | Plasma auxiliary airflow mill device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711346550.9A CN108212434B (en) | 2017-12-15 | 2017-12-15 | Plasma auxiliary airflow mill device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108212434A true CN108212434A (en) | 2018-06-29 |
| CN108212434B CN108212434B (en) | 2020-05-22 |
Family
ID=62652200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711346550.9A Active CN108212434B (en) | 2017-12-15 | 2017-12-15 | Plasma auxiliary airflow mill device |
Country Status (1)
| Country | Link |
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| CN (1) | CN108212434B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2032827A (en) * | 1933-11-21 | 1936-03-03 | Internat Pulverizing Corp | Method of and apparatus for providing material in finely divided form |
| US2588945A (en) * | 1948-06-29 | 1952-03-11 | Micronizer Company | Means inhibiting escape of oversize particles from circulatory pulverizing mills |
| US4502641A (en) * | 1981-04-29 | 1985-03-05 | E. I. Du Pont De Nemours And Company | Fluid energy mill with differential pressure means |
| WO2008030301A1 (en) * | 2006-09-06 | 2008-03-13 | Integrated Materials, Inc. | Jet mill producing fine silicon powder |
| CN101239336A (en) * | 2008-03-07 | 2008-08-13 | 华南理工大学 | Plasma auxiliary high-energy stirring ball mill device |
| CN101631622A (en) * | 2006-12-14 | 2010-01-20 | 特罗诺克斯有限公司 | The improvement jet nozzle that is used for the jet micron mill |
| CN103237603A (en) * | 2010-10-12 | 2013-08-07 | 菲德克控股股份有限公司 | Micronizing device for fluid jet mills |
| CN104549658A (en) * | 2014-12-24 | 2015-04-29 | 华南理工大学 | Application method of cold field plasma discharge assisted high energy ball milled powder and plasma assisted high energy ball milling device |
-
2017
- 2017-12-15 CN CN201711346550.9A patent/CN108212434B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2032827A (en) * | 1933-11-21 | 1936-03-03 | Internat Pulverizing Corp | Method of and apparatus for providing material in finely divided form |
| US2588945A (en) * | 1948-06-29 | 1952-03-11 | Micronizer Company | Means inhibiting escape of oversize particles from circulatory pulverizing mills |
| US4502641A (en) * | 1981-04-29 | 1985-03-05 | E. I. Du Pont De Nemours And Company | Fluid energy mill with differential pressure means |
| WO2008030301A1 (en) * | 2006-09-06 | 2008-03-13 | Integrated Materials, Inc. | Jet mill producing fine silicon powder |
| CN101631622A (en) * | 2006-12-14 | 2010-01-20 | 特罗诺克斯有限公司 | The improvement jet nozzle that is used for the jet micron mill |
| CN101239336A (en) * | 2008-03-07 | 2008-08-13 | 华南理工大学 | Plasma auxiliary high-energy stirring ball mill device |
| CN103237603A (en) * | 2010-10-12 | 2013-08-07 | 菲德克控股股份有限公司 | Micronizing device for fluid jet mills |
| CN104549658A (en) * | 2014-12-24 | 2015-04-29 | 华南理工大学 | Application method of cold field plasma discharge assisted high energy ball milled powder and plasma assisted high energy ball milling device |
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| Publication number | Publication date |
|---|---|
| CN108212434B (en) | 2020-05-22 |
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Effective date of registration: 20240105 Address after: Room 304, Building 2, Huagong Xixiu Village, No. 381 Wushan Road, Tianhe District, Guangzhou City, Guangdong Province, 510641 Patentee after: Zhu Min Patentee after: Guangzhou South China University of Technology Asset Management Co.,Ltd. Address before: 511458 Guangdong, Guangzhou, Nansha District, 25 South Road, South China Road, Guangzhou, China Patentee before: SOUTH CHINA University OF TECHNOLOGY |
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