CN112524890A - Water-powder separation method of amorphous nanocrystalline and water-powder separation system applying water-powder separation method - Google Patents
Water-powder separation method of amorphous nanocrystalline and water-powder separation system applying water-powder separation method Download PDFInfo
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- CN112524890A CN112524890A CN202011378021.9A CN202011378021A CN112524890A CN 112524890 A CN112524890 A CN 112524890A CN 202011378021 A CN202011378021 A CN 202011378021A CN 112524890 A CN112524890 A CN 112524890A
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- water
- powder
- amorphous nanocrystalline
- magnetic attraction
- drying tank
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
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- 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
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- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/14—Drying solid materials or objects by processes not involving the application of heat by applying pressure, e.g. wringing; by brushing; by wiping
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- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
- B22F2009/0896—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid particle transport, separation: process and apparatus
Abstract
The invention provides a water-powder separation method of amorphous nanocrystalline, which comprises the following steps: s1, obtaining water-powder mixed slurry with amorphous nanocrystalline; s2, arranging a first magnetic attraction body to make the water-powder mixed slurry contact with the first magnetic attraction body, and allowing the amorphous nanocrystalline powder in the water-powder mixed slurry to be attracted to the first magnetic attraction body under the action of the magnetic attraction force of the first magnetic attraction body; s3, further drying the water-carrying amorphous nanocrystalline powder on the first magnetic attraction body to obtain dried amorphous nanocrystalline powder. By the arrangement of the water-powder separation method of the amorphous nanocrystalline, a water-powder separation system applying the method can effectively separate water and powder of the amorphous nanocrystalline powder, and the processing efficiency of preparing the amorphous nanocrystalline powder is improved.
Description
Technical Field
The invention relates to the technical field of soft magnetic alloy metallurgy, in particular to a water-powder separation method of amorphous nanocrystals and a water-powder separation system applying the same.
Background
Atomization powder manufacturing is an important method for producing metal powder, and the principle is that after high-speed airflow is accelerated by an atomization nozzle, kinetic energy of the airflow is converted into surface energy of small metal droplets, so that the metal flow is crushed into the small metal droplets and is solidified into powder in subsequent flight. Due to the high efficiency and the controllable granularity of the prepared metal powder, the preparation method is continuously concerned by the field of powder metallurgy. The atomizing equipment influences the performance of the prepared metal powder to a great extent, and the atomizing nozzle is a key part of the whole atomizing equipment and realizes the conversion between the airflow kinetic energy and the surface energy of the metal powder.
In the application of the existing atomization powder preparation process, the obtained product is mixed slurry of amorphous nanocrystalline atomization powder and water, and then the water-powder separation treatment needs to be carried out on the water-powder mixed slurry subsequently to obtain pure amorphous nanocrystalline atomization powder; the water-powder separation treatment technology in the prior art has the technical defect of low application efficiency.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a water-powder separation method for amorphous nanocrystals and a water-powder separation system using the same.
The water-powder separation method of the amorphous nanocrystalline comprises the following steps:
s1, obtaining water-powder mixed slurry with amorphous nanocrystalline;
s2, arranging a first magnetic attraction body to make the water-powder mixed slurry contact with the first magnetic attraction body, and allowing the amorphous nanocrystalline powder in the water-powder mixed slurry to be attracted to the first magnetic attraction body under the action of the magnetic attraction force of the first magnetic attraction body;
s3, further drying the water-carrying amorphous nanocrystalline powder on the first magnetic attraction body to obtain dried amorphous nanocrystalline powder.
Based on the alloy characteristics of the amorphous nanocrystalline powder, the amorphous nanocrystalline powder mixed with water can be effectively adsorbed by the application of the first magnetic attraction body, so that the amorphous nanocrystalline powder can be separated from most of water, and the dried amorphous nanocrystalline powder can be obtained by simple drying treatment subsequently.
Further, in step S3, the drying process includes the following steps:
s3-1, collecting the amorphous nanocrystalline powder with water on the first magnetic attraction body;
s3-2, arranging a second magnetic attraction body, and enabling the second magnetic attraction body to carry out adsorption positioning on the collected water-carrying amorphous nanocrystalline powder through a magnetic field;
and S3-3, a vacuum adsorption device is arranged to heat the water-carrying amorphous nanocrystalline powder on the second magnetic attraction body, so that the water in the water-carrying amorphous nanocrystalline powder is pumped away under the action of the vacuum adsorption device under the heating condition.
The water-powder separation system of the invention is used for water-powder separation treatment of amorphous nanocrystalline powder by applying the water-powder separation method. Particularly, it will be including setting up the pulse magnetic roll in the thick liquid output end position of aqueous humor mixed thick liquid, the pulse magnetic roll is connected with the drive its magnetic roll drive arrangement who makes self-rotation motion, pulse magnetic roll surface contact is provided with the scraper, the unloading end position of scraper is provided with powder collection portion.
Further, still including the header tank, the thick liquid output that the aqueous humor mixes thick liquid set up in header tank one side upper end position, pulse magnetic roller set up in the header tank opposite side, the scraper in pulse magnetic roller is kept away from the thick liquid output one side setting that the aqueous humor mixes thick liquid.
Furthermore, a water pressing roller is arranged on the surface of the pulse magnetic roller in a contact mode, and the water pressing roller and the pulse magnetic roller are arranged in parallel along the axial direction.
Further, still include the drying cylinder, the drying cylinder is connected with heating device, the intercommunication is provided with vacuum adsorption device in the drying cylinder, the drying cylinder covers with the magnetic field region.
Further, the magnetic field region includes a plurality of pulsed magnetic fields arranged in a radial direction of the drying cylinder, each of the pulsed magnetic fields being arranged at intervals in an axial direction of the drying cylinder.
Furthermore, the whole drying tank is arranged in a circular truncated cone shape, the upper bottom side of the drying tank is provided with a powder inlet for inputting powder, and one end of the lower bottom side of the drying tank is provided with a powder outlet for outputting powder; the axial direction of the drying tank is arranged parallel to the ground.
Further, the drying tank is connected with a tank driving device which drives the drying tank to do self-rotation movement around the central shaft.
The invention has the beneficial effects that:
by the arrangement of the water-powder separation method of the amorphous nanocrystalline, a water-powder separation system applying the method can effectively separate water and powder of the amorphous nanocrystalline powder, and the processing efficiency of preparing the amorphous nanocrystalline powder is improved.
Drawings
FIG. 1 is a schematic diagram of the combined application of the water-powder separation system of the present invention.
Reference numerals:
a slurry output end 100,
A magnetic roller device 1, a water collecting tank 10, a pulse magnetic roller 11, a magnetic roller driving device 12, a magnetic suction space H, a water pressing roller 13, a scraper 14, a powder collecting part 15,
The drying device 2, the magnetic field area 20, the pulse magnetic field 201, the drying tank 21, the tank driving device 22, the heating device 23, the powder inlet 24, the powder outlet 25 and the vacuum adsorption device 26.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the water-powder separation system of the present invention is used for performing water-powder separation treatment on the water-powder mixed slurry of the amorphous nanocrystalline powder prepared by the water atomization method to obtain the dried amorphous nanocrystalline powder.
Example 1:
the water-powder separation system comprises a magnetic roller device 1, wherein the magnetic roller device 1 comprises a water collecting tank 10, the upper end of one side of the water collecting tank 10 is matched with a slurry output end 100 of water-powder mixed slurry, a pulse magnetic roller 11 is arranged on the other side of the water collecting tank 10, the pulse magnetic roller 11 is connected with a magnetic roller driving device 12 for driving the pulse magnetic roller to do self-rotation motion, and a magnetic attraction distance H is formed between the roller surface on the lower side of the pulse magnetic roller 11 and the bottom of the water collecting tank 10; a water pressing roller 13 is arranged on the roller surface of the pulse magnetic roller 11, which is close to one side of the slurry output end 100 of the water-powder mixed slurry, in a contact manner, and the water pressing roller 13 and the pulse magnetic roller 11 are arranged in parallel along the axial direction; the roll surface of the pulse magnetic roll 11 is far away from one side of a slurry output end 100 of the water-powder mixed slurry, a scraper 14 is arranged in a contact mode, and a powder collecting portion 15 is arranged at the discharging end of the scraper 14.
The application principle of the magnetic roller device 1 is as follows:
the water-powder mixed slurry prepared by the water atomization method is guided to be output to the position of the water collecting tank 10, and the pulse magnetic roller 11 applies the magnetic field action controlled by a pulse signal to ensure that the surface of the magnetic roller has periodic magnetic field control output; based on the alloy characteristics of the amorphous nanocrystalline alloy, when the pulsed magnetic roller 11 has a magnetic field, the amorphous nanocrystalline powder therein will be attracted by magnetic attraction.
The pulse magnetic roller 11 and the bottom of the water collecting tank 10 have a magnetic attraction distance H, so that the water collecting tank 10 and the roller surface of the pulse magnetic roller 11 are not in direct contact, and the pulse magnetic roller 11 is driven by the magnetic roller driving device 12 to make continuous self-rotation movement.
After the water-powder mixed slurry is placed into the water collecting tank 10, the slurry is collected in the water collecting tank 10, under the application of the periodic magnetic field of the pulse magnetic roller 11, the water-carrying amorphous nanocrystalline powder is adsorbed onto the roller surface of the pulse magnetic roller 11 to rotate along with the water-carrying amorphous nanocrystalline powder, and when the roller surface powder rotates and moves to the position of the water pressing roller 13, the water pressing roller 13 and the pulse magnetic roller 11 can be in contact with each other in a contact mode, so that the roller powder can be effectively pressed, and redundant water can be squeezed out.
Then, the water-carrying amorphous nanocrystalline powder after extruding part of water reaches the scraper 14 position along with the pulse magnetic roller 11, the periodic magnetic field of the pulse magnetic roller 11 is periodically stopped, and after the magnetic field is stopped, the water-carrying amorphous nanocrystalline powder is not adsorbed on the roller surface of the pulse magnetic roller 11 any more, and the scraper 14 scrapes off along with the rotation of the pulse magnetic roller 11.
The end position of the scraper 14 is arranged towards the lower side, and the scraped amorphous nanocrystalline powder with water drops to the position of the powder collecting part 15 under the action of gravity, and is continuously collected, so that the water-powder separation application in the first stage is completed.
After the water-powder separation application in the first stage, the amorphous nanocrystalline powder carries most of the moisture to be removed, and then the dry amorphous nanocrystalline powder can be effectively obtained through the conventional drying treatment.
Example 2:
as a preferable embodiment, this embodiment will be based on the application of embodiment 1, and the water-powder separation system of the present invention further includes a drying device 2, where the drying device 2 includes a drying tank 21 covered with a magnetic field area 20, the drying tank 21 is connected to a heating device 23, and the drying tank 21 is connected to a tank driving device 22 for driving the drying tank to perform self-rotation around a central axis. The drying tank 21 is integrally arranged in a circular truncated cone shape, the upper bottom side of the drying tank 21 is provided with a powder inlet 24 for inputting powder, the powder collecting part 15 can be provided with conventional guide structures such as a guide rail and the like in an inclined way, and the powder inlet 24 form the guide input of the amorphous nanocrystalline powder with water; one end of the lower bottom side of the drying tank 21 is provided with a powder outlet 25 for outputting powder; the axial direction of the drying drum 21 is arranged parallel to the ground.
A vacuum adsorption device 26 is communicated with the inside of the drying tank 21, preferably, an adsorption end of the vacuum adsorption device 26 is disposed at a lower bottom side of the drying tank 21, and the adsorption end of the vacuum adsorption device 26 and the powder inlet 24 are disposed opposite to each other along a central axis of the drying tank 21.
The magnetic field area 20 is arranged to cover the powder outlet 25, the magnetic field area 20 includes a plurality of pulsed magnetic fields 201 arranged along the radial direction of the drying tank 21, and each pulsed magnetic field 201 is arranged at intervals along the axial direction of the drying tank 21.
The principle of application of the drying device 2 is as follows:
the water-carrying amorphous nanocrystalline powder collected by the magnetic roller device 1 is input through the powder inlet 24, the tank driving device 22 continuously drives the drying tank 21 to rotate by itself, and the powder slowly slides downwards along the inner inclined surface of the drying tank 21 in the direction of the powder outlet 25 under the action of gravity based on the shape and the setting application of the drying tank 21. The heating device 23 heats the drying tank 21, and the vacuum adsorption device 26 applies vacuum adsorption of negative pressure to the inside of the drying tank 21, so that in the drying process, the moisture in the water-bearing amorphous nanocrystalline powder is gradually evaporated or extracted under the action of the vacuum adsorption device 26 under the heating condition.
Because the previously input water-carrying amorphous nanocrystalline powder also carries more water, the water-carrying amorphous nanocrystalline powder at the part of the drying tank 21 close to the powder inlet 24 side cannot be extracted by the vacuum adsorption device 26 under the self-mass; with the progress of the drying process, the water-containing amorphous nanocrystalline powder at the side of the drying tank 21 close to the powder outlet 25 is extracted by the vacuum adsorption device 26 along with the separation of moisture or the possible formation of dust; then, based on this situation, a magnetic field region 20 is required to be provided in a range section of the drying tank 21 near and covering the powder outlet 25 to perform adsorption positioning on the amorphous nanocrystalline powder.
In a specific implementation, the magnetic output of the magnetic field region 20 and the adsorption capacity of the vacuum adsorption device 26 can be controlled, so that the powder can slowly slide down and be guided out through the powder outlet 25 along with the rotation and inclined arrangement of the drying tank 21.
On the other hand, the magnetic field applied by the magnetic field region 20 is selected as the pulse magnetic field 201 based on the adaptability of the practical application, and the amorphous nanocrystalline powder can be effectively prevented from flying dust and being dispersedly extracted along with the vacuum adsorption device 26 under the application of the interval arrangement of the pulse magnetic field 201; the dried amorphous nanocrystalline powder slides downwards through the powder outlet 25 and is led out along with the rotation and the inclined arrangement of the drying tank 21 in the magnetic field break period, so that the application requirement of water-powder separation is met.
The water-powder separation system can be used for effectively separating amorphous nanocrystalline powder from water-powder mixed slurry based on the comprehensive application of taking the magnetic roller device 1 as a first magnetic attraction body and taking the drying device 2 covered by the magnetic field as a second magnetic attraction body; and the structure combination is simple, and the adaptability and the popularity are better.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (10)
1. The water-powder separation method of the amorphous nanocrystalline is characterized by comprising the following steps:
s1, obtaining water-powder mixed slurry with amorphous nanocrystalline;
s2, arranging a first magnetic attraction body to make the water-powder mixed slurry contact with the first magnetic attraction body, and allowing the amorphous nanocrystalline powder in the water-powder mixed slurry to be attracted to the first magnetic attraction body under the action of the magnetic attraction force of the first magnetic attraction body;
s3, further drying the water-carrying amorphous nanocrystalline powder on the first magnetic attraction body to obtain dried amorphous nanocrystalline powder.
2. The method for separating water and powder of amorphous nanocrystal as claimed in claim 1, wherein in step S3, the drying process comprises the following steps:
s3-1, collecting the amorphous nanocrystalline powder with water on the first magnetic attraction body;
s3-2, arranging a second magnetic attraction body, and enabling the second magnetic attraction body to carry out adsorption positioning on the collected water-carrying amorphous nanocrystalline powder through a magnetic field;
and S3-3, a vacuum adsorption device is arranged to heat the water-carrying amorphous nanocrystalline powder on the second magnetic attraction body, so that the water in the water-carrying amorphous nanocrystalline powder is pumped away under the action of the vacuum adsorption device under the heating condition.
3. The water-powder separation system is characterized in that the water-powder separation method as claimed in claim 1 or 2 is applied to water-powder separation treatment of amorphous nanocrystalline powder.
4. The water-powder separation system of claim 3, comprising a pulse magnetic roller arranged at the position of the slurry output end of the water-powder mixed slurry, wherein the pulse magnetic roller is connected with a magnetic roller driving device for driving the pulse magnetic roller to do self-rotation movement, a scraper is arranged on the surface of the pulse magnetic roller in a contact manner, and a powder collecting part is arranged at the position of the discharge end of the scraper.
5. The water-powder separating system of claim 4, further comprising a water collecting tank, wherein the slurry outlet of the water-powder mixed slurry is disposed at an upper end of one side of the water collecting tank, the pulse magnetic roller is disposed at the other side of the water collecting tank, and the scraper is disposed at a side of the pulse magnetic roller away from the slurry outlet of the water-powder mixed slurry.
6. The water-powder separation system as claimed in claim 4 or 5, wherein a water pressing roller is arranged on the surface of the pulse magnetic roller in contact with the pulse magnetic roller, and the water pressing roller and the pulse magnetic roller are arranged in parallel with each other along the axial direction.
7. The water-powder separation system of claim 3, further comprising a drying tank, wherein a heating device is connected to the drying tank, a vacuum adsorption device is communicated with the inside of the drying tank, and the drying tank is covered by a magnetic field area.
8. The water-powder separation system of claim 7, wherein the magnetic field region comprises a plurality of pulsed magnetic fields arranged in a radial direction of the drying tank, each pulsed magnetic field being spaced apart in an axial direction of the drying tank.
9. The water-powder separating system of claim 7, wherein the drying tank is integrally arranged in a circular truncated cone shape, a powder inlet for inputting powder is arranged at the upper bottom side of the drying tank, and a powder outlet for outputting powder is arranged at one end of the lower bottom side of the drying tank; the axial direction of the drying tank is arranged parallel to the ground.
10. A water-powder separating system according to any one of claims 7 to 9 wherein the drying tank is connected to tank driving means for driving the drying tank to perform a self-rotational movement about the central axis.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011378021.9A CN112524890A (en) | 2020-11-30 | 2020-11-30 | Water-powder separation method of amorphous nanocrystalline and water-powder separation system applying water-powder separation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011378021.9A CN112524890A (en) | 2020-11-30 | 2020-11-30 | Water-powder separation method of amorphous nanocrystalline and water-powder separation system applying water-powder separation method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997628A (en) * | 2012-11-22 | 2013-03-27 | 徐州海伦农业科技有限公司 | Drying device |
| CN103159390A (en) * | 2011-12-13 | 2013-06-19 | 财团法人工业技术研究院 | Filtering, concentrating and dewatering device |
| CN110475636A (en) * | 2017-03-27 | 2019-11-19 | 日立金属株式会社 | The manufacturing method of atomized powder and the manufacturing method of magnetic core |
| CN110617684A (en) * | 2019-10-11 | 2019-12-27 | 安徽工程大学 | Vibrating grain microwave drying device |
| CN211876609U (en) * | 2020-04-16 | 2020-11-06 | 湖南博锋新材料有限公司 | But vacuum drying of process addition material closes machine of criticizing |
-
2020
- 2020-11-30 CN CN202011378021.9A patent/CN112524890A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103159390A (en) * | 2011-12-13 | 2013-06-19 | 财团法人工业技术研究院 | Filtering, concentrating and dewatering device |
| CN102997628A (en) * | 2012-11-22 | 2013-03-27 | 徐州海伦农业科技有限公司 | Drying device |
| CN110475636A (en) * | 2017-03-27 | 2019-11-19 | 日立金属株式会社 | The manufacturing method of atomized powder and the manufacturing method of magnetic core |
| CN110617684A (en) * | 2019-10-11 | 2019-12-27 | 安徽工程大学 | Vibrating grain microwave drying device |
| CN211876609U (en) * | 2020-04-16 | 2020-11-06 | 湖南博锋新材料有限公司 | But vacuum drying of process addition material closes machine of criticizing |
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Application publication date: 20210319 |
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