CN213966092U - Stirring device for high-purity alumina powder - Google Patents
Stirring device for high-purity alumina powder Download PDFInfo
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- CN213966092U CN213966092U CN202022477027.3U CN202022477027U CN213966092U CN 213966092 U CN213966092 U CN 213966092U CN 202022477027 U CN202022477027 U CN 202022477027U CN 213966092 U CN213966092 U CN 213966092U
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Abstract
The utility model provides a stirring device for high-purity alumina powder, which comprises a stirring tank, a feeding device, a vacuum device, a stirring device and a discharging device, wherein one end of a feeding pipe II is communicated with the side wall of the upper part of the stirring tank, and the other end of the feeding pipe II is fixedly communicated with the side wall of the upper end of the feeding pipe I; the stirring device comprises a motor, a stirring rod and a stirring paddle, wherein the upper end of the stirring rod is fixedly connected with the motor, the lower end of the stirring rod extends into the bottom of the stirring tank, the stirring paddle is arranged at the lower end of the stirring rod, and the surface of the stirring paddle is coated with a layer of polyurethane rubber; the vacuum device comprises a vacuum tube and a vacuum pump; the discharging device comprises a discharging port, a discharging port flange and a magnetic trap. High-purity alumina powder's agitating unit, through setting up buffer space to bend department, alumina powder can pile up here to the reduction reduces the wearing and tearing to the bend, reduces introducing of impurity, prolongs pipeline life, the setting of stirring rake surface cladding one deck polyurethane rubber and discharge gate magnetic trap has promoted the purity of powder.
Description
Technical Field
The utility model belongs to the technical field of ceramic powder preparation, especially relate to a agitating unit of high-purity alumina powder.
Background
The heat conductive ceramic substrate made of high purity flake alumina is considered to be one of the main materials for replacing the current resin substrate due to its high thermal conductivity and heat resistance.
The high-temperature solid phase method does not produce waste water in the production process, has simple production process and is one of the main production methods of high-purity flaky alumina. The high-purity flake alumina produced by the high-temperature solid phase method is mainly added with a mineralizer on the basis of high-purity spherical alumina, and is uniformly mixed and roasted to obtain a flake alumina product. At present, a mode of uniformly mixing spherical alumina powder and a mineralizer mainly adopts a mechanical stirring device to uniformly mix, the mechanical stirring device mainly comprises a feeding device and a stirring device, but the main materials of the existing feeding device and the stirring device are metal materials, the hardness of the metal materials is far less than that of alumina, and a feeding pipeline in the feeding device consists of a fixed metal pipeline, so that the surface of the metal pipeline, particularly the corner of the pipeline, is easily worn by the alumina powder, thereby causing the metal pipeline to be frequently worn through in the use process, the service life of the feeding pipeline to be greatly shortened, in addition, metal scraps generated by the erosion corrosion of the alumina powder body are mixed with the alumina powder, and the purity of the alumina powder is reduced; in addition, in the stirring device, the stirring paddle and the stirring tank are also metal, in the high-speed stirring process, the stirring paddle and the tank body are also abraded, abrasive dust enters the alumina powder, and impurities formed by the abrasive dust can reduce the purity of the alumina powder.
SUMMERY OF THE UTILITY MODEL
In view of the above technical problems, an object of the present invention is to provide a stirring device for high purity alumina powder, which comprises a feeding metal pipeline, a discharging metal pipeline, a feeding metal pipeline, and a discharging metal pipeline; secondly, the surface of the stirring paddle is coated with a layer of polyurethane rubber, so that the abrasion of the stirring paddle is reduced, and the introduction of impurities is reduced; and finally, the magnetic trap is arranged at the outlet to further purify ferromagnetic impurities, so that the purity of the alumina powder is improved.
The utility model adopts the technical proposal that:
a stirring device for high-purity alumina powder comprises a stirring tank, a feeding device, a vacuum device, a stirring device and a discharging device;
the feeding device comprises a material suction port, a feeding pipe I and a feeding pipe II; one end of the feeding pipe II is communicated with the side wall of the upper part of the stirring tank, the other end of the feeding pipe II is fixedly communicated with the side wall of the upper part of the feeding pipe I, and the lower end of the feeding pipe I is provided with the material sucking port;
the stirring device comprises a motor, a stirring rod and a stirring paddle, the motor is arranged at the top of the stirring tank, the upper end of the stirring rod is fixedly connected with the motor, the lower end of the stirring rod extends into the bottom of the stirring tank, and the lower end of the stirring rod is provided with the stirring paddle;
the vacuum device comprises a vacuum tube and a vacuum pump, and two ends of the vacuum tube are respectively connected with the side wall of the top of the stirring tank and the vacuum pump;
the discharging device comprises a discharging port and a discharging port flange, one end of the discharging port is fixedly connected with the bottom of the stirring tank, and the other end of the discharging port is fixedly connected with one end of the discharging port flange.
The stirring device for the high-purity alumina powder, wherein, the distance between the upper end of the first inlet pipe and the joint of the first inlet pipe and the second inlet pipe is 0.5-2 cm.
The utility model discloses a stirring device for high-purity alumina powder, wherein the discharging device also comprises a magnetic trap, and the magnetic trap comprises a magnetic trap tank body, a magnetic trap flange I, a magnetic trap flange II, a magnetic trap flange III and a magnetic sleeve; the discharge gate flange keep away from the one end of agitator tank with the one end fixed connection of magnetic trap flange one, the other end of magnetic trap flange one with the upper end fixed connection of the magnetic trap jar body, the lower extreme of the magnetic trap jar body with two fixed connection of magnetic trap flange, the right-hand member of the magnetic trap jar body is equipped with places a plurality of magnetic bars magnetic trap flange three, the magnetic bar overcoat is equipped with the magnet sleeve.
High-purity alumina powder's agitating unit, wherein, a layer of polyurethane rubber of blade surface cladding of stirring rake.
High-purity alumina powder's agitating unit, wherein, loading attachment still includes the bellows, the lower extreme of inlet pipe one with the clamp intercommunication is passed through to the upper end of bellows, the lower extreme of bellows is equipped with inhale the material mouth.
High-purity alumina powder's agitating unit, wherein, inhale the material mouth with be equipped with filter screen isolating device between the bellows.
The stirring device for the high-purity alumina powder, wherein the magnetic bar is a permanent magnet.
The stirring device for the high-purity alumina powder, wherein, the stirring paddle is a two-blade stirring paddle.
The utility model discloses beneficial effect:
1. a buffer area is arranged at the bend where the first feeding pipe and the second feeding pipe are connected, and alumina powder can be accumulated at the bend, so that the abrasion to the bend is reduced, the introduction of impurities is reduced, and the service life of the pipeline is prolonged.
2. The surface of the blade of the stirring paddle is coated with a layer of polyurethane rubber to isolate the contact between the stirring paddle and the alumina powder, so that the introduction of impurities is reduced, and the purity of the alumina powder is improved.
3. The setting of exit magnetic trap can adsorb the ferromagnetism metal bits impurity that powder mixing in-process such as aluminium oxide and the friction of jar body and pipeline was introduced, and then promotes the purity of aluminium oxide powder.
Drawings
FIG. 1 is a schematic structural diagram of a stirring apparatus for high purity alumina powder according to the present invention;
FIG. 2 is a schematic structural view of the buffer zone during feeding;
fig. 3 is a right side view of the magnetic trap of the present invention;
fig. 4 is a cross-sectional view of the magnetic trap of the present invention.
In the figure: 1-a stirring tank, 2-a suction port, 3-a filter screen isolating device, 4-a corrugated pipe, 5-a hoop, 6-a first feeding pipe, 7-a second feeding pipe, 8-a motor, 9-a stirring rod, 10-a stirring paddle, 11-a vacuum pipe, 12-a vacuum pump, 13-a discharging port, 14-a discharging port flange, 15-a magnetic trap tank body, 16-a magnetic trap flange I, 17-a magnetic trap flange II, 18-a magnetic trap flange III, 19-a magnetic sleeve, 20-a buffer zone and 21-alumina powder.
The invention will be further described with reference to specific embodiments and drawings.
Detailed Description
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
As shown in fig. 1-4, a stirring device for high-purity alumina powder comprises a stirring tank 1, a feeding device, a vacuum device, a stirring device and a discharging device.
The feeding device comprises a material suction port 2, a filter screen isolating device 3, a corrugated pipe 4, a clamp 5, a first feeding pipe 6 and a second feeding pipe 7. One end of the second inlet pipe 7 is communicated with the side wall of the upper portion of the stirring tank 1, the other end of the second inlet pipe 7 is fixedly communicated with the side wall of the upper portion of the first inlet pipe 6, the lower end of the first inlet pipe 6 is communicated with the upper end of the corrugated pipe 4 through the hoop 5, the lower end of the corrugated pipe 4 is provided with a suction port 2, and a filter screen isolating device 3 is arranged between the suction port 2 and the corrugated pipe 4. The bellows 4 can be bent, can bear certain negative pressure, is convenient for get the material. The distance between the upper end of the first feeding pipe 6 and the joint of the first feeding pipe 6 and the second feeding pipe 7 is 0.5-2cm, so that better powder stacking and buffering effects can be achieved. The feeding pipe I6 and the feeding pipe II 7 are metal pipes.
Agitating unit includes motor 8, puddler 9 and stirring rake 10, and motor 8 sets up at the top of agitator tank 1, and the upper end and the motor 8 fixed connection of puddler 9, the lower extreme of puddler 9 stretch into the bottom of agitator tank 1, and the lower extreme of puddler 9 is equipped with stirring rake 10, and stirring rake 10 is two leaf stirring rake. The blade surface cladding one deck polyurethane rubber of stirring rake 10, through the blade surface cladding one deck polyurethane rubber at stirring rake 10, reduce the wearing and tearing between stirring rake and the alumina powder, when adopting polyurethane rubber, the abrasionproof decreases the effect and is better than the rubber that adopts other materials. The upper section of the stirring tank 1 is a circular truncated cone, and the lower section is a cylinder.
The vacuum device comprises a vacuum tube 11 and a vacuum pump 12, wherein two ends of the vacuum tube 11 are respectively connected with the side wall of the top of the stirring tank 1 and the vacuum pump 12.
The discharging device comprises a discharging port 13, a discharging port flange 14 and a magnetic trap, wherein the magnetic trap comprises a magnetic trap tank body 15, a magnetic trap flange I16, a magnetic trap flange II 17, a magnetic trap flange III 18 and a magnet sleeve 19. One end of the discharge port 13 is fixedly connected with the bottom of the stirring tank 1, and the other end of the discharge port is fixedly connected with one end of a discharge port flange 14 through welding; the other end of discharge gate flange 14 and the one end fixed connection of a magnetic trap flange 16, the other end of a magnetic trap flange 16 and the upper end fixed connection of the magnetic trap jar body 15, the lower extreme and the two 17 fixed connection of magnetic trap flange of the magnetic trap jar body 15, the right-hand member of the magnetic trap jar body 15 is equipped with the three 18 of magnetic trap flanges of placing a plurality of magnetic sticks, the magnetic stick overcoat is equipped with magnet sleeve 19, and magnet sleeve 19 is made by the stainless steel, and a plurality of magnet sleeves 19 are fixed on three 18 of magnetic trap flanges through welding equidistant, and the one end of magnet sleeve 19 stretches into the magnetic trap jar body 15, and the other end passes three 18 of magnetic trap flanges and seals through the small flange, is equipped with in the magnet sleeve 19 the magnetic stick, the magnetic stick is the permanent magnet.
High-purity alumina powder's agitating unit, in the use, seal two 17 of magnetic trap flanges with the blind flange, close discharge gate 13, open vacuum pump 12, utilize vacuum pump 12 to produce the vacuum source and bleed, make and inhale 2 entrances of material mouth and entire system and be in vacuum state, the raw materials is along with external air in proper order through filter screen isolating device 3, bellows 4, inlet pipe 6, minute alumina powder 21 is in buffer 20 department deposit, then enter into agitator tank 1 through inlet pipe two 7, after having advanced the material, close vacuum pump 12, open motor 8 and stir, treat the stirring complete back, open discharge gate 13, the material of mixing enters into through discharge gate 13 the magnetic trap purifies through the magnetic trap, obtains the powder of high-purity mixing.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (8)
1. The utility model provides a agitating unit of high-purity alumina powder which characterized in that: comprises a stirring tank (1), a feeding device, a vacuum device, a stirring device and a discharging device; the feeding device comprises a material suction port (2), a first feeding pipe (6) and a second feeding pipe (7); one end of the second feeding pipe (7) is communicated with the side wall of the upper part of the stirring tank (1), the other end of the second feeding pipe (7) is fixedly communicated with the side wall of the upper part of the first feeding pipe (6), and the lower end of the first feeding pipe (6) is provided with the material sucking port (2);
the stirring device comprises a motor (8), a stirring rod (9) and a stirring paddle (10), the motor (8) is arranged at the top of the stirring tank (1), the upper end of the stirring rod (9) is fixedly connected with the motor (8), the lower end of the stirring rod (9) extends into the bottom of the stirring tank (1), and the stirring paddle (10) is arranged at the lower end of the stirring rod (9);
the vacuum device comprises a vacuum pipe (11) and a vacuum pump (12), and two ends of the vacuum pipe (11) are respectively connected with the side wall of the top of the stirring tank (1) and the vacuum pump (12);
the discharging device comprises a discharging port (13) and a discharging port flange (14), one end of the discharging port (13) is fixedly connected with the bottom of the stirring tank (1), and the other end of the discharging port is fixedly connected with one end of the discharging port flange (14).
2. The stirring device of high-purity alumina powder according to claim 1, characterized in that: the distance between the upper end of the first feeding pipe (6) and the joint of the first feeding pipe (6) and the second feeding pipe (7) is 0.5-2 cm.
3. The stirring device of high-purity alumina powder according to claim 1, characterized in that: the discharging device further comprises a magnetic trap, and the magnetic trap comprises a magnetic trap tank body (15), a magnetic trap flange I (16), a magnetic trap flange II (17), a magnetic trap flange III (18) and a magnet sleeve (19); the utility model discloses a magnetic trap jar, including agitator tank (1), magnetic trap flange (15), discharge gate flange (14) keep away from the one end of agitator tank (1) with the one end fixed connection of magnetic trap flange (16), the other end of magnetic trap flange (16) with the upper end fixed connection of the magnetic trap jar body (15), the lower extreme of the magnetic trap jar body (15) with magnetic trap flange two (17) fixed connection, the right-hand member of the magnetic trap jar body (15) is equipped with places a plurality of magnetic sticks magnetic trap flange three (18), be equipped with in magnet sleeve (19) the magnetic stick.
4. The stirring device of high-purity alumina powder according to claim 1, characterized in that: the surface of the blade of the stirring paddle (10) is coated with a layer of polyurethane rubber.
5. The stirring device of high-purity alumina powder according to claim 1, characterized in that: the feeding device further comprises a corrugated pipe (4), the lower end of the first inlet pipe (6) is communicated with the upper end of the corrugated pipe (4) through a hoop (5), and the lower end of the corrugated pipe (4) is provided with the material suction port (2).
6. The stirring device of high-purity alumina powder according to claim 5, characterized in that: a filter screen isolating device (3) is arranged between the material suction port (2) and the corrugated pipe (4).
7. The stirring device of high-purity alumina powder according to claim 3, characterized in that: the magnetic bar is a permanent magnet.
8. The stirring apparatus of high purity alumina powder according to any one of claims 1 to 7, wherein: the stirring paddle (10) is a two-blade stirring paddle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022477027.3U CN213966092U (en) | 2020-11-01 | 2020-11-01 | Stirring device for high-purity alumina powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022477027.3U CN213966092U (en) | 2020-11-01 | 2020-11-01 | Stirring device for high-purity alumina powder |
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| Publication Number | Publication Date |
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| CN213966092U true CN213966092U (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022477027.3U Active CN213966092U (en) | 2020-11-01 | 2020-11-01 | Stirring device for high-purity alumina powder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112221377A (en) * | 2020-11-01 | 2021-01-15 | 百色学院 | Stirring device for high-purity alumina powder |
| CN114225885A (en) * | 2022-02-17 | 2022-03-25 | 南通汇顺化工有限公司 | Stable form chemical industry reation kettle |
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2020
- 2020-11-01 CN CN202022477027.3U patent/CN213966092U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112221377A (en) * | 2020-11-01 | 2021-01-15 | 百色学院 | Stirring device for high-purity alumina powder |
| CN114225885A (en) * | 2022-02-17 | 2022-03-25 | 南通汇顺化工有限公司 | Stable form chemical industry reation kettle |
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