CN203737198U - Device for granulating superfine and nano soft magnetic ferrite powder - Google Patents
Device for granulating superfine and nano soft magnetic ferrite powder Download PDFInfo
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- CN203737198U CN203737198U CN201420055936.XU CN201420055936U CN203737198U CN 203737198 U CN203737198 U CN 203737198U CN 201420055936 U CN201420055936 U CN 201420055936U CN 203737198 U CN203737198 U CN 203737198U
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- rolling equipment
- soft magnetic
- rotating disk
- magnetic ferrite
- powder
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Abstract
The utility model discloses a device for granulating superfine and nano soft magnetic ferrite powder. The device comprises a powder silo, rolling equipment, a crusher, turntable stirring and rolling equipment and a vibrating screen group, wherein a first roll group and a second roll group are arranged in the rolling equipment; the clearance between rolls in the first roll group is greater than that between rolls in the second roll group; the rolling equipment is connected with the crusher; a discharge hole of the crusher is connected to a feeding hole of the turntable stirring and rolling equipment; a material collecting hopper is arranged on the turntable stirring and rolling equipment; the turntable stirring and rolling equipment is connected with the vibrating screen group via a discharge hole. The device has the characteristics of reasonable design, simple equipment, easiness in control, suitability for industrial production and the like. The granulated soft magnetic ferrite granules obtained by adopting the device can be used in a subsequent pressing process for soft magnetic ferrimagnet production and the whole flow can be operated hermetically and continuously.
Description
Technical field
The utility model belongs to field of powder metallurgy, particularly a kind of prilling granulator of ultra-fine and nano soft magnetic ferrite powder.
Background technology
Soft magnetic ferrite is with Fe
2o
3for the ferrimagnetism oxide of principal component, there are the series such as Mn-Zn, Cu-Zn, Ni-Zn, the wherein ferritic output of Mn-Zn and consumption maximum.It is high that soft magnetic ferrite has saturation flux density, and magnetic conductivity is high, and medium-high frequency loss is low, low cost and other advantages and be widely used in the numerous areas such as household electrical appliance, network communication, automotive electronics, space flight military project.
The production technology of soft magnetic ferrite is to adopt powder metallurgy process, passes through the operations such as batch mixing, granulation, compacting, sintering.Wherein the granulation of ferrite powder is step more crucial in powder metallurgical technique; granulation is taking powder as main raw material; utilize the cohesive force of condensing adhesive force or adhesive between fine powder; and external force causes collision, extruding, compression etc., progressively in conjunction with granulating or step extruding in flakes, the reunion technology of grain etc.
The traditional preparation method of manganese-zinc-ferrite powder is china-clay method, or claims conventional ceramic technique, by oxide mixing, ball milling, pre-burning powder process such as iron oxide, manganese oxide, zinc oxide.But in recent years, preparation ultra-fine and nano soft magnetic ferrite powder becomes focus, such as utilizing the ultra-fine and nano soft magnetic ferrite powder of the indexs such as high-energy ball milling method, sol-gel process, hydro-thermal method, chemical coprecipitation, its advantage be powder size tiny, be evenly distributed, surface area is large, active high, but also there is poor fluidity in ultra-fine and nano soft magnetic ferrite powder, formability is poor, apparent density is low, the shortcoming that compressibility is poor, be unfavorable for next step pressing process, so must carry out granulation.
Summary of the invention
The defect or the deficiency that exist for prior art, the purpose of this utility model is, a kind of prilling granulator of ultra-fine and nano soft magnetic ferrite powder is provided, this prilling granulator can reduce powder flying dust and pollute, improve the flow behavior of ultra-fine and nano soft magnetic ferrite powder, improve ultra-fine and nano soft magnetic ferrite powder compressibility.
In order to realize above-mentioned task, the utility model adopts following technical solution:
A prilling granulator for ultra-fine and nano soft magnetic ferrite powder, comprises that powder feed bin, rolling equipment, disintegrating machine, rotating disk stir rolling equipment and vibration screen banks, is characterized in that:
Powder feed bin connects rolling equipment by pipeline, is furnished with the first roll stacks and the second roll stacks in rolling equipment, and wherein, the roll seam of the first roll stacks is greater than the roll seam of the second roll stacks;
Rolling equipment is connected with disintegrating machine, and the discharging opening of disintegrating machine is connected on the charging aperture of rotating disk stirring rolling equipment, stirs on rolling equipment and arranges recovering hopper at rotating disk, and rotating disk stirs rolling equipment and connects vibration screen banks by discharging opening.
Other feature of the present utility model is:
Described rotating disk stirs rolling equipment and comprises rotary drum, nozzle and trestle table, and wherein, rotary drum is furnished with motor, and nozzle has 8, is evenly distributed on the outer wall of rotating disk stirring rolling equipment.
The prilling granulator of ultra-fine and nano soft magnetic ferrite powder of the present utility model, the average grain diameter ultra-fine and nano soft magnetic ferrite powder being suitable for is 1nm-10 μ m, comprises manganese-zinc ferrite, nickel-zinc ferrite, copper zinc ferrite, lithium-zinc-ferrite, MgZn ferrite and two or more complex ferrite thereof.
Adopt the prilling granulator of ultra-fine and nano soft magnetic ferrite powder of the present utility model, can be to ultra-fine and nano soft magnetic ferrite powder, adopt roll-in, fragmentation, rotating disk to stir the operations such as rolling, screening and carry out granulation, whole process can be airtight, continuous carrying out, there is operational efficiency advantages of higher.Also can carry out granulation to the ultra-fine and nanometer ferrite powder of other systems and other ultra-fine and nano material powder, the granulated pellet that meets granule size requirement is collected, the particle that is greater than granule size requirement can return to disintegrating machine and re-start granulation process, and the particle that is less than granule size requirement can turn back to powder feed bin and enter rolling equipment and re-start granulation process.It is reasonable in design, simple in structure, be easy to control, be applicable to large-scale industrial production, is with a wide range of applications.
Brief description of the drawings
Fig. 1 is the prilling granulator structural representation of ultra-fine and nano soft magnetic ferrite powder of the present utility model.Mark in figure represents respectively: 1, powder feed bin, 2, rolling equipment, 3, the first roll stacks, 4, the second roll stacks, 5, disintegrating machine, 6, charging aperture, 7, rotating disk stirs rolling equipment, 8, rotary drum, 9, nozzle, 10, trestle table, 11, recovering hopper, 12, discharging opening, 13, vibration screen banks.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Detailed description of the invention
As shown in Figure 1, the present embodiment provides a kind of concrete structure of prilling granulator of ultra-fine and nano soft magnetic ferrite powder, comprises that powder feed bin 1, rolling equipment 2, disintegrating machine 5, rotating disk stir rolling equipment 7 and vibration screen banks 13.
Powder feed bin 1 connects rolling equipment 2 by pipeline, is furnished with the first roll stacks 3 and the second roll stacks 4 in rolling equipment 2, and wherein, the roll seam of the first roll stacks 3 is greater than the roll seam of the second roll stacks 4;
Rolling equipment 2 is connected with disintegrating machine 5, and the discharging opening of disintegrating machine 5 is connected on the charging aperture 6 of rotating disk stirring rolling equipment 7, stirs on rolling equipment 7 and arranges recovering hopper 11 at rotating disk, and rotating disk stirs rolling equipment 7 and connected and vibrated screen banks 13 by discharging opening 12.
Rotating disk stirs rolling equipment 7 and comprises rotary drum 8, nozzle 9 and trestle table 10, and wherein, rotary drum 8 is furnished with motor, and nozzle 9 has 8, is evenly distributed on the outer wall of rotating disk stirring rolling equipment 7.
When concrete use, average grain diameter ultra-fine and nanometer powder is 1nm-10 μ m, and soft magnetic ferrite comprises manganese-zinc ferrite, nickel-zinc ferrite, copper zinc ferrite, lithium-zinc-ferrite, MgZn ferrite and two or more complex ferrite thereof.Whole granulation flow process can be airtight, continuous carrying out, particular content is as follows:
First pack weighted ultra-fine and nano soft magnetic ferrite powder into powder feed bin 1, then open rolling equipment 2, ultra-fine and nano soft magnetic ferrite powder is first realized a roll-in through the first roll stacks 3 in rolling equipment 2, realize secondary roll-in by the second roll stacks 24 again, because the roll seam of the first roll stacks 3 is greater than the roll seam of the second roll stacks 4.Ultra-fine and nano soft magnetic ferrite powder after rolling equipment 2 is rolled into more closely knit piece or laminar material, has reduced porosity.And then enter disintegrating machine 5 fragmentations, the charging aperture 6 that after broken, material stirs rolling equipment 7 by rotating disk enters rotating disk stirring rolling equipment 7 and carries out granulation, in granulation process, ultra-fine and nano soft magnetic ferrite powder is constantly stirred and rolls by rotary drum 8, and granulating agent solution passes through nozzle 9 constantly to ultra-fine and nano soft magnetic ferrite powder spraying.Finally, the particle that granulation is good enters airtight recovering hopper 11, then by discharging opening 12 enter vibration screen banks 13 sieve.After 13 screenings of vibration screen banks, the granulated pellet that meets granule size requirement is collected, the particle that is greater than granule size requirement can return to disintegrating machine 5 and re-start granulation process, and the particle that is less than granule size requirement can turn back to powder feed bin 1 and enter rolling equipment 2 and re-start granulation process.
Claims (2)
1. a prilling granulator for ultra-fine and nano soft magnetic ferrite powder, comprises that powder feed bin (1), rolling equipment (2), disintegrating machine (5), rotating disk stir rolling equipment (7) and vibrate screen banks (13), is characterized in that:
Powder feed bin (1) connects rolling equipment (2) by pipeline, is furnished with the first roll stacks (3) and the second roll stacks (4) in rolling equipment (2), and wherein, the roll seam of the first roll stacks (3) is greater than the roll seam of the second roll stacks (4);
Rolling equipment (2) is connected with disintegrating machine (5), the discharging opening of disintegrating machine (5) is connected on the charging aperture (6) of rotating disk stirring rolling equipment (7), stir the upper recovering hopper (11) of arranging of rolling equipment (7) at rotating disk, rotating disk stirs rolling equipment (7) and connects vibration screen banks (13) by discharging opening (12).
2. the prilling granulator of ultra-fine and nano soft magnetic ferrite powder as claimed in claim 1, it is characterized in that, described rotating disk stirs rolling equipment (7) and comprises rotary drum (8), nozzle (9) and trestle table (10), wherein, rotary drum (8) is furnished with motor, nozzle (9) has 8, is evenly distributed on the outer wall of rotating disk stirring rolling equipment (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420055936.XU CN203737198U (en) | 2014-01-28 | 2014-01-28 | Device for granulating superfine and nano soft magnetic ferrite powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420055936.XU CN203737198U (en) | 2014-01-28 | 2014-01-28 | Device for granulating superfine and nano soft magnetic ferrite powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203737198U true CN203737198U (en) | 2014-07-30 |
Family
ID=51337063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420055936.XU Expired - Fee Related CN203737198U (en) | 2014-01-28 | 2014-01-28 | Device for granulating superfine and nano soft magnetic ferrite powder |
Country Status (1)
| Country | Link |
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| CN (1) | CN203737198U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107470312A (en) * | 2017-07-27 | 2017-12-15 | 朱可可 | A kind of red lead production water law energy-conservation prilling granulator |
-
2014
- 2014-01-28 CN CN201420055936.XU patent/CN203737198U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107470312A (en) * | 2017-07-27 | 2017-12-15 | 朱可可 | A kind of red lead production water law energy-conservation prilling granulator |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20170128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |