CN214636296U

CN214636296U - Plasma powder material processing apparatus

Info

Publication number: CN214636296U
Application number: CN202120516894.5U
Authority: CN
Inventors: 张永起; 李晨; 陈智莲
Original assignee: University of Electronic Science and Technology of China
Current assignee: University of Electronic Science and Technology of China
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-11-09
Anticipated expiration: 2031-03-11

Abstract

The utility model relates to the field of powder material processing devices, and provides a plasma powder material processing device, which comprises a reaction shell and a rotating device, wherein the reaction shell is internally provided with a mixing cavity, the rotating device is used for driving the reaction shell to rotate along the central line of the reaction shell, a reaction electrode mechanism is arranged on the reaction shell, and a runner structure for reaction gas to flow into and out of the mixing cavity is arranged on the reaction shell; a reactor is arranged in the mixing cavity, and a reaction channel for reaction gas to pass through is arranged on the reactor; the problem that the existing radio frequency plasma cavity processing device can not process powder materials and limits the application of the plasma technology in the preparation of nano functional materials is solved; this scheme passes through rotating device and drives the reaction housing and rotate, and under the action of gravity, the reactor rotates along with the reaction housing, and then lies in the powder material homogeneous mixing of reactor to under the effect of reaction electrode mechanism, the powder material participates in plasma reaction uniformly.

Description

Plasma powder material processing apparatus

Technical Field

The utility model relates to a powder material processing apparatus field especially relates to a plasma powder material processing apparatus.

Background

The nanometer functional material has been widely used in various fields of society, such as energy storage, catalysis, etc. How to perform transformation and surface modification of materials under the precursor of maintaining the microstructure characteristics of the nano materials becomes more and more important. Common heating means easily damage the nano structure of the material, and the radio frequency cold plasma has the characteristics of high activity and low macroscopic temperature, and is increasingly applied to the fields of preparation of nano functional materials and surface modification. At present, a common radio frequency plasma cavity consists of a quartz glass tube (as shown in fig. 6), can only process thin film materials, and cannot uniformly process powder materials, so that the application of a plasma technology in the preparation of nano functional materials is greatly limited.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem among the prior art, the utility model provides a plasma powder material processing apparatus has solved current radio frequency plasma cavity processing apparatus and can not handle powder material, has restricted the application problem of plasma technique in nanometer function material preparation.

In order to achieve the above object, the utility model adopts the following technical scheme:

the plasma powder material processing device comprises a reaction shell and a rotating device, wherein the reaction shell is internally provided with a mixing cavity, the rotating device is used for driving the reaction shell to rotate along the central line of the reaction shell, the reaction shell is provided with a reaction electrode mechanism, and the reaction shell is provided with a flow channel structure for reaction gas to flow into and out of the mixing cavity;

a reactor is arranged in the mixing cavity, and a reaction channel for reaction gas to pass through is arranged on the reactor.

Furthermore, the rotating device comprises a driving mechanism matched with two ends of the reaction shell, the driving mechanism comprises a first gear and a second gear which are symmetrically arranged, the central line of the reaction shell is positioned between the axis of the first gear and the axis of the second gear, two ends of the reaction shell are respectively provided with a gear ring which is respectively meshed with the first gear and the second gear, and one of the first gears is in transmission connection with the driving motor.

Furthermore, the rotating device further comprises a rotating support, and the first gear and the second gear are both rotationally connected to the rotating support.

Further, the first gear and the second gear are both arranged below the reaction shell.

Further, the reaction shell comprises a tubular section of a hollow tubular structure, two ends of the tubular section are respectively provided with a flange plate used for sealing an opening of the tubular section, and a gear ring is arranged on the flange plate.

Furthermore, the flow channel structure is an air vent arranged on the end face of the flange plate, and the air vent is connected with an inlet or an outlet of the magnetic fluid sealing body through a pipeline.

Further, the reaction electrode mechanism comprises a first electrode and a second electrode which are arranged on the outer wall of the tubular section, and the first electrode and the second electrode are respectively connected with two ends of the radio frequency generator.

Further, the reactor is located between the first electrode and the second electrode.

Further, the reactor comprises a reaction cylinder with a hollow cylindrical structure, two ends of the reaction cylinder are provided with circular ring plates, and the inner wall of the reaction cylinder is provided with a plurality of stirring blades.

Further, the number of the agitating blades is four, and any two adjacent agitating blades are vertical.

Further, the width of the stirring blade is 1/4-3/8 of the reactor diameter.

The utility model has the advantages that:

according to the scheme, the reaction shell is driven to rotate by the rotating device, the reactor rotates along with the reaction shell under the action of gravity, so that powder materials in the reactor are uniformly mixed, and the powder materials uniformly participate in plasma reaction under the action of the reaction electrode mechanism;

the reaction channel is arranged to facilitate the reaction gas entering from the flow channel structure to enter the reactor to realize plasma reaction, and the sample can be conveniently loaded and the pressure in the reactor is ensured to be consistent with the pressure in the reaction shell through the reaction channel, so that uniform stirring is realized; the device can enable the radio frequency plasma equipment to better process powder materials, and expands the application range.

Drawings

Fig. 1 is a front view of a plasma powder material processing apparatus.

FIG. 2 is a schematic cross-sectional view of a reactor.

FIG. 3 is a schematic perspective view of a reactor.

Fig. 4 is a left side view of the reactor.

Fig. 5 is a schematic structural view of the rotating device.

FIG. 6 is a schematic view of a conventional RF plasma chamber.

Wherein, 1, a reaction shell; 101. a tubular section; 102. a flange plate; 2. a first gear; 3. a second gear; 4. a magnetic fluid seal body; 5. a first electrode; 6. a second electrode; 7. a radio frequency generator; 8. a reactor; 801. a reaction cylinder; 802. a circular ring plate; 803. the blades are agitated.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.

As shown in fig. 1, the present disclosure provides a plasma powder material processing apparatus, which includes a reaction housing 1 having a mixing chamber therein and a rotating device for driving the reaction housing 1 to rotate along its own central line, wherein the reaction housing 1 is provided with a reaction electrode mechanism, and the reaction housing 1 is provided with a flow channel structure for reaction gas to flow into and out of the mixing chamber;

a reactor 8 is arranged in the mixing cavity, and a reaction channel for reaction gas to pass through is arranged on the reactor 8.

Under the action of the rotating device, the reactor 8 can rotate along with the reaction shell 1, and then powder inside the reactor 8 is uniformly stirred under the action of the internal structure of the reactor, so that the powder can better participate in plasma reaction.

As shown in fig. 2, the reactor 8 includes a reaction cylinder 801 having a hollow cylindrical structure, annular plates 802 are provided at both ends of the reaction cylinder 801, and a plurality of stirring blades 803 are provided on an inner wall of the reaction cylinder 801. The two circular plates 802 and the inner wall of the reaction cylinder 801 form a reaction channel, and the small holes of the circular plates 802 are convenient for the inflow or outflow of reaction gas and the powder loading into the reactor 8.

As shown in fig. 1 to 4, the present embodiment is further modified: the reactor 8 is positioned between the first electrode 5 and the second electrode 6, so that the powder in the reactor 8 can carry out plasma reaction under the action of the reaction electrode mechanism; the number of the stirring blades 803 is four, any two adjacent stirring blades 803 are vertical, and the two adjacent stirring blades 803 are vertical, so that powder in the reactor 8 can be fully stirred, the powder is more uniform, and the powder effectively participates in the reaction; in order to facilitate the flow of the reaction gas out of or into the reactor 8 and the charging of a sufficient amount of the powder, the width of the agitating blade 803 is 1/4-3/8 of the diameter of the reactor 8.

As shown in fig. 5, the present embodiment is further modified: the rotating device comprises a driving mechanism matched with two ends of the reaction shell 1, the driving mechanism comprises a first gear 2 and a second gear 3 which are symmetrically arranged, the central line of the reaction shell 1 is positioned between the axis of the first gear 2 and the axis of the second gear 3, two ends of the reaction shell 1 are respectively provided with a toothed ring which is respectively meshed with the first gear 2 and the second gear 3, and one of the first gears 2 is in transmission connection with the driving motor.

The axes of the first gear 2 and the second gear 3 are parallel to the central line of the reaction shell 1, the first gear 2 and the second gear 3 not only effectively support the reaction shell 1, but also can ensure that the reaction shell 1 always keeps horizontal in the rotation process, and effectively ensures the treatment process of powder materials.

The rotating device also comprises a rotating bracket, and the first gear 2 and the second gear 3 are both rotationally connected to the rotating bracket; the first gear 2 and the second gear 3 are both arranged below the reaction housing 1.

The rotating bracket can ensure that the axes of the first gear 2 and the second gear 3 are positioned on the same horizontal plane, and the first gear 2 and the second gear 3 are positioned below the reaction shell 1, so that the reaction shell 1 can be prevented from moving along a line perpendicular to the central line of the reaction shell and the whole treatment device is convenient to assemble.

As shown in fig. 1, the present embodiment is further modified: the reaction shell 1 comprises a tubular section 101 with a hollow cylindrical structure, flanges 102 for sealing the opening of the tubular section 101 are arranged at two ends of the tubular section 101, and a toothed ring is arranged on the flanges 102. In use, the diameter of the reactor 8 is smaller than the inner diameter of the tubular section 101 for the purpose of rotation of the reactor 8.

As shown in fig. 1, the present embodiment is further modified: the flow channel structure is a vent arranged on the end face of the flange plate 102, and the vent is connected with an inlet or an outlet of the magnetic fluid sealing body 4 through a pipeline. The arrangement of the magnetic fluid sealing body 4 ensures the continuous supply of reaction gas and the tightness of the reaction shell 1.

Claims

1. A plasma powder material processing device is characterized by comprising a reaction shell (1) and a rotating device, wherein the reaction shell (1) is internally provided with a mixing cavity, the rotating device is used for driving the reaction shell (1) to rotate along the central line of the reaction shell, a reaction electrode mechanism is arranged on the reaction shell (1), and a runner structure used for reaction gas to flow into and out of the mixing cavity is arranged on the reaction shell (1);

a reactor (8) is arranged in the mixing cavity, and a reaction channel for reaction gas to pass through is arranged on the reactor (8).

2. The plasma powder material processing device according to claim 1, wherein the rotating device comprises a driving mechanism which is matched with two ends of the reaction shell (1), the driving mechanism comprises a first gear (2) and a second gear (3) which are symmetrically arranged, a central line of the reaction shell (1) is positioned between an axis of the first gear (2) and an axis of the second gear (3), two ends of the reaction shell (1) are respectively provided with a gear ring which is respectively meshed with the first gear (2) and the second gear (3), and one of the first gear (2) is in transmission connection with a driving motor.

3. The plasma powder material processing device according to claim 2, wherein the rotating device further comprises a rotating bracket, and the first gear (2) and the second gear (3) are rotatably connected to the rotating bracket.

4. A plasma powder material processing apparatus according to claim 2, characterized in that the first gear (2) and the second gear (3) are both arranged below the reaction housing (1).

5. A plasma powder material processing device according to any one of claims 2-4, wherein the reaction shell (1) comprises a tubular section (101) with a hollow cylindrical structure, flanges (102) for sealing the opening of the tubular section (101) are arranged at two ends of the tubular section (101), and the toothed ring is arranged on the flanges (102).

6. The plasma powder material processing device according to claim 5, wherein the flow channel structure is a vent arranged on the end face of the flange plate (102), and the vent is connected with an inlet or an outlet of the magnetic fluid sealing body (4) through a pipeline.

7. The plasma powder material processing device according to claim 5, wherein the reaction electrode mechanism comprises a first electrode (5) and a second electrode (6) which are arranged on the outer wall of the tubular section (101), and the first electrode (5) and the second electrode (6) are respectively connected with two ends of the radio frequency generator (7).

8. A plasma powder material processing apparatus according to claim 7, characterised in that the reactor (8) is located between the first electrode (5) and the second electrode (6).

9. The plasma powder material processing device according to claim 1, wherein the reactor (8) comprises a reaction cylinder (801) with a hollow cylindrical structure, two ends of the reaction cylinder (801) are provided with circular ring plates (802), and the inner wall of the reaction cylinder (801) is provided with a plurality of stirring blades (803).

10. The plasma powder material processing device according to claim 9, wherein the number of the stirring blades (803) is four, and any two adjacent stirring blades (803) are vertical.