CN113800507A - Arc generator for stripping graphene and manufacturing method thereof - Google Patents
Arc generator for stripping graphene and manufacturing method thereof Download PDFInfo
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- CN113800507A CN113800507A CN202111281341.7A CN202111281341A CN113800507A CN 113800507 A CN113800507 A CN 113800507A CN 202111281341 A CN202111281341 A CN 202111281341A CN 113800507 A CN113800507 A CN 113800507A
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- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/182—Graphene
- C01B32/184—Preparation
- C01B32/19—Preparation by exfoliation
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- H—ELECTRICITY
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- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/48—Generating plasma using an arc
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Abstract
The invention relates to an electric arc generator for stripping graphene, which belongs to the technical field of electric arc generators and comprises a mandrel and an outer ring sleeve, wherein the mandrel forms an annular reaction cavity, the outer ring sleeve surrounds the outside of the mandrel, one end of the outer ring sleeve is hermetically connected with one end of the mandrel, the other end of the outer ring sleeve is provided with a mounting flange, the other end of the mandrel extends out of the mounting flange and is provided with a conductive flange, an annular cooling cavity is formed among the mandrel, the outer ring sleeve and the mounting flange, and the flange is provided with a cooling medium inlet and a cooling medium outlet; the invention further discloses a manufacturing method of the arc generator for graphene stripping, and the manufacturing method of the arc generator realizes that the arc generator adopts different materials according to different requirements of different use parts on performance, prolongs the service life of the arc generator, and reduces the manufacturing cost of the arc generator.
Description
Technical Field
The invention relates to an arc generator for stripping graphene and a manufacturing method thereof, and belongs to the technical field of arc generators.
Background
At present, the graphene production method mainly comprises a mechanical stripping method, a chemical vapor deposition method, an electric auxiliary oxidation method, an oxidation reduction method, an electric arc method and the like. The preparation of carbon nano material by electric arc method is that graphite electrode is placed in a container with buffer gas or reactive gas atmosphere, and electric arc is excited between two electrodes to make gas ionized to produce high-temperature plasma. Under the condition, graphite is melted and evaporated, and the generated product contains amorphous carbon, graphene, single-walled or multi-walled carbon nanotubes and other materials according to different reaction conditions. The arc discharge method has the advantages of simple equipment, short preparation period, convenient operation, high controllability, extremely high cooling speed and controllable reaction atmosphere, and is widely applied to the preparation of graphene materials.
The arc generator is the main part of electric arc stripping graphene equipment, and there is the cavity of arc reaction inside, because direct current discharge produces high temperature ablation arc generator in the cavity, leads to arc generator life short, for the life who improves arc generator, traditional mode generally is that whole adoption has higher intensity and hardness to electric conductivity, heat conductivity, wearability and the good material casting arc generator of antifriction nature, but manufacturing cost improves.
Disclosure of Invention
The present invention aims to provide a new technical solution to improve or solve the technical problems in the prior art as described above.
The invention provides an electric arc generator for stripping graphene, which comprises a mandrel and an outer ring sleeve, wherein the mandrel forms an annular reaction cavity, the outer ring sleeve surrounds the outside of the mandrel, one end of the outer ring sleeve is hermetically connected with one end of the mandrel, the other end of the outer ring sleeve is provided with a mounting flange, the other end of the mandrel extends out of the mounting flange and is provided with a conductive flange, an annular cooling cavity is formed among the mandrel, the outer ring sleeve and the mounting flange, and the flange is provided with a cooling medium inlet and a cooling medium outlet.
Furthermore, the annular reaction cavity is a circular through hole or a polygonal through hole.
Furthermore, the outer ring sleeve comprises an annular reaction section and a flange connection section, and the outer contour of the annular reaction section is in a circular truncated cone shape.
Further, the annular reaction section material is high temperature resistant chromium zirconium copper, the material of flange joint section, dabber and electrically conductive flange is pure copper, the mounting flange material is stainless steel, annular reaction section both ends respectively with dabber and flange joint section welding.
Because the annular reaction section is connected with the mandrel, high temperature is generated when the annular reaction cavity of the mandrel generates electric arc reaction, so that the temperature of the annular reaction section is higher than that of other positions of the generator, and the annular reaction section is made of chromium-zirconium-copper which has high temperature resistance and relatively higher price; the mounting flange mainly plays the fixed and sealed effect of installation, selects the stainless steel material of the lower price, electrically conductive flange is connected with the power, selects the pure copper material that the price is between chromium zirconium copper and stainless steel because pure copper has good electric conductive property.
Furthermore, a liquid inlet pipe and a liquid outlet pipe are respectively arranged on the cooling medium inlet and the cooling medium outlet, and one end of the liquid outlet pipe extends to the annular cooling cavity and is close to the annular reaction section or the annular reaction section.
Furthermore, the conductive flange is provided with a power supply connecting hole, and the power supply connecting hole is connected with a power supply.
The invention also discloses a manufacturing method of the arc generator for stripping graphene, which specifically comprises the following steps:
(1) respectively manufacturing an annular reaction section, a flange connecting section, a mandrel, a mounting flange and a conductive flange by using a casting or forging process;
(2) processing an annular lower caulking groove on the mounting flange obtained in the step (1), and processing one side surface of the annular lower caulking groove, which is far away from the mandrel, into a slope surface;
(3) processing welding slopes at both ends of the annular reaction section obtained in the step (1) and at one end of the flange connecting section;
(4) butting one end of the flange connecting section obtained in the step (3) with a welding slope surface with one end of the annular reaction section to form a welding groove, filling welding deposited metal in a partition space in the welding groove, and performing cover surface welding on the surface of the welding groove;
(5) inserting the other end of the flange connecting section obtained in the step (4) into the annular lower caulking groove, forming a welding groove between the flange connecting section and the mounting flange, filling welding deposited metal in a partition space in the welding groove, and performing cover surface welding on the surface of the welding groove;
(6) one end of the mandrel obtained in the step (1) penetrates through the mounting flange and is in butt joint with the annular reaction section to form a welding groove, welding deposited metal is filled in a partition space in the welding groove, and cover surface welding is carried out on the surface of the welding groove;
(7) the liquid inlet pipe and the liquid outlet pipe are arranged in alignment with an inlet and an outlet on the mounting flange, and the liquid inlet pipe and the liquid outlet pipe are respectively fixed on the mounting flange in a welding way;
(8) and (2) sleeving the conductive flange obtained in the step (1) at the other end of the mandrel and welding the conductive flange with the mandrel.
The invention has the beneficial effects that:
1. according to the invention, different materials are adopted according to different performance requirements of different use parts, and the use performance requirements of the parts can be ensured and the manufacturing cost of the arc generator can be reduced by combining different materials through welding forming and different material combinations;
2. after the cooling medium is injected into the annular cooling cavity, the temperature of the arc generator can be reduced, and the overall service life of the arc generator is prolonged;
3. by the manufacturing method of the arc generator, the arc generator is made of different materials according to different requirements of different use parts on performance, the service life of the arc generator is prolonged, and the manufacturing cost of the arc generator is reduced;
4. according to the manufacturing method of the arc generator, the end parts of the arc generator, which are connected with each other, of the different using parts are processed into the groove structure, and then the different using parts of the arc generator are welded into an integral structure.
Drawings
FIG. 1 is an isometric view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a schematic view of an assembly structure of each part of the present invention;
in the figure, 1, a mandrel; 2. an annular reaction chamber; 3. an outer ring sleeve; 301. an annular reaction section; 302. a flange connection section; 4. installing a flange; 5. a conductive flange; 6. an annular cooling cavity; 7. a liquid inlet pipe; 8. a liquid outlet pipe; 9. and welding a groove.
Detailed Description
The principles and features of this invention are described below in conjunction with examples, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
Fig. 1 to 4 schematically show the structure of an arc generator for graphene peeling of the present invention, and a method for manufacturing the arc generator for graphene peeling.
As shown in fig. 1 to 3, in a first embodiment, the invention discloses an electric arc generator for graphene stripping, which includes a mandrel 1 forming an annular reaction chamber 2, and an outer ring sleeve 3 surrounding the mandrel 1, wherein one end of the outer ring sleeve 3 is hermetically connected with one end of the mandrel 1, the other end of the outer ring sleeve 3 is provided with a mounting flange 4, the mounting flange 4 is further provided with a mounting hole, the other end of the mandrel 1 extends out of the mounting flange 4 and is provided with a conductive flange 5, an annular cooling chamber 6 is formed among the mandrel 1, the outer ring sleeve 3 and the mounting flange 4, and the flange is provided with a cooling medium inlet and a cooling medium outlet.
The annular reaction chamber 2 is a circular through hole or a polygonal through hole.
The outer ring sleeve 3 comprises an annular reaction section 301 and a flange connecting section 302, and the outer contour of the annular reaction section 301 is in a circular truncated cone shape.
The annular reaction section 301 is made of high-temperature-resistant chromium-zirconium-copper, and because the annular reaction section 301 is connected with the mandrel 1, the temperature of the annular reaction section 301 is high when an arc reaction occurs, and the chromium-zirconium-copper is made of a high-temperature-resistant conductive metal material, has good electrical conductivity and thermal conductivity, and meets the use requirements; the flange connecting section 302, the mandrel 1 and the conductive flange 5 are made of pure copper, and two ends of the annular reaction section 301 are respectively welded with the mandrel 1 and the flange connecting section 302.
And a liquid inlet pipe 7 and a liquid outlet pipe 8 are respectively arranged on the cooling medium inlet and the cooling medium outlet, and one end of the liquid outlet pipe 8 extends to the annular cooling cavity 6 close to the annular reaction section 301 or in the annular reaction section 301. After cooling medium is injected into the annular cooling cavity 6, the cooling liquid circularly flows through the liquid inlet pipe 7 and the liquid outlet pipe 8, heat generated by arc reaction is taken away in time, the temperature of the arc generator can be reduced, and the whole service life of the arc generator is prolonged
The conductive flange 5 is provided with a power supply connecting hole and a fixing hole connected with the opponent piece, and the power supply connecting hole is connected with a power supply. After the conductive flange 5 is connected and electrified with a power supply, the generator becomes a cathode/anode electrode.
As shown in fig. 4, in a second specific embodiment, the invention discloses a method for manufacturing an arc generator for graphene stripping, which specifically includes the following steps:
(1) according to different requirements of different use parts on performance, different materials are adopted to respectively manufacture the annular reaction section 301, the flange connection section 302, the mandrel 1, the mounting flange 4 and the conductive flange 5 by utilizing a casting or forging process; the annular reaction section 301 is made of high-temperature-resistant chromium-zirconium-copper, the flange connecting section 302, the mandrel 1 and the conductive flange 5 are made of pure copper, and two ends of the annular reaction section 301 are respectively welded with the mandrel 1 and the flange connecting section 302.
(2) Processing an annular lower caulking groove on the mounting flange 4 obtained in the step (1), and processing one side surface of the annular lower caulking groove, which is far away from the mandrel 1, into a slope surface;
(3) processing welding slopes at both ends of the annular reaction section 301 obtained in the step (1) and at one end of the flange connecting section 302;
(4) butting one end of the flange connecting section 302 obtained in the step (3) with a welding slope surface with one end of the annular reaction section 301 to form a welding groove 9, filling welding deposited metal in a partition space in the welding groove 9, and performing cover surface welding on the surface of the welding groove;
(5) inserting the other end of the flange connecting section 302 obtained in the step (4) into the annular lower caulking groove, forming a welding groove 9 between the flange connecting section 302 and the mounting flange 4, filling welding deposited metal in a partition space in the welding groove 9, and performing cover surface welding on the surface of the welding groove;
(6) enabling one end of the mandrel 1 obtained in the step (1) to penetrate through the mounting flange 4 and be in butt joint with the annular reaction section 301 to form a welding groove 9, filling welding deposited metal into a partition space of the welding groove 9, and performing cover surface welding on the surface of the welding groove 9;
(7) a liquid inlet pipe 7 and a liquid outlet pipe 8 are arranged in alignment with an inlet and an outlet of the mounting flange 4, and the liquid inlet pipe 7 and the liquid outlet pipe 8 are respectively fixed on the mounting flange 4 in a welding manner;
(8) and (2) sleeving the conductive flange 5 obtained in the step (1) at the other end of the mandrel 1 and welding the conductive flange with the mandrel 1.
By the manufacturing method, the arc generator adopts different materials according to different requirements of different use parts on performance, the service life of the arc generator is prolonged, and the manufacturing cost of the arc generator is reduced; the end parts of different using parts of the arc generator are connected with each other are processed into a groove structure, welding deposited metal is filled in a partition space of the welding groove 9, the surface of the welding groove 9 is subjected to cover surface welding, the different using parts of the arc generator are welded into an integral structure through the welding mode, the welding position of the welding mode is good in sealing performance, and cooling liquid can be effectively prevented from flowing out of a welding seam.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides a graphite alkene is peeled off and is used electric arc generator, its characterized in that, including the dabber that constitutes annular reaction chamber and encircle the outside outer loop of dabber, the one end of outer loop cover with the one end sealing connection of dabber, the other end of outer loop cover is equipped with mounting flange, the other end of dabber stretches out mounting flange is equipped with conductive flange, form annular cooling chamber between dabber, outer loop cover and the mounting flange, be equipped with coolant import and export on the flange.
2. The electric arc generator for graphene stripping according to claim 1, wherein the annular reaction chamber is a circular through hole or a polygonal through hole.
3. The electric arc generator for graphene stripping according to claim 1, wherein the outer ring sleeve comprises an annular reaction section and a flange connection section, and an outer contour of the annular reaction section is a circular truncated cone.
4. The electric arc generator for stripping graphene as claimed in claim 3, wherein the annular reaction section is made of chromium zirconium copper, the flange connection section, the mandrel and the conductive flange are made of pure copper, the mounting flange is made of stainless steel, and two ends of the annular reaction section are respectively welded to the mandrel and the flange connection section.
5. The electric arc generator for stripping graphene as claimed in claim 1, wherein a liquid inlet pipe and a liquid outlet pipe are respectively disposed on the cooling medium inlet and outlet, and one end of the liquid outlet pipe extends to the annular cooling cavity near or in the annular reaction section.
6. The electric arc generator for graphene stripping according to claim 1, wherein a power supply connection hole is formed in the conductive flange, and the power supply connection hole is connected with a power supply.
7. The method for manufacturing an arc generator for graphene exfoliation according to claims 1 to 6, comprising:
(1) respectively manufacturing an annular reaction section, a flange connecting section, a mandrel, a mounting flange and a conductive flange by using a casting or forging process;
(2) processing an annular lower caulking groove on the mounting flange obtained in the step (1), and processing one side surface of the annular lower caulking groove, which is far away from the mandrel, into a slope surface;
(3) processing welding slopes at both ends of the annular reaction section obtained in the step (1) and at one end of the flange connecting section;
(4) butting one end of the flange connecting section obtained in the step (3) with a welding slope surface with one end of the annular reaction section to form a welding groove, filling welding deposited metal in a partition space in the welding groove, and performing cover surface welding on the surface of the welding groove;
(5) inserting the other end of the flange connecting section obtained in the step (4) into the annular lower caulking groove, forming a welding groove between the flange connecting section and the mounting flange, filling welding deposited metal in a partition space in the welding groove, and performing cover surface welding on the surface of the welding groove;
(6) one end of the mandrel obtained in the step (1) penetrates through the mounting flange and is in butt joint with the annular reaction section to form a welding groove, welding deposited metal is filled in a partition space in the welding groove, and cover surface welding is carried out on the surface of the welding groove;
(7) the liquid inlet pipe and the liquid outlet pipe are arranged in alignment with an inlet and an outlet on the mounting flange, and the liquid inlet pipe and the liquid outlet pipe are respectively fixed on the mounting flange in a welding way;
(8) and (2) sleeving the conductive flange obtained in the step (1) at the other end of the mandrel and welding the conductive flange with the mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111281341.7A CN113800507A (en) | 2021-11-01 | 2021-11-01 | Arc generator for stripping graphene and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111281341.7A CN113800507A (en) | 2021-11-01 | 2021-11-01 | Arc generator for stripping graphene and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113800507A true CN113800507A (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111281341.7A Pending CN113800507A (en) | 2021-11-01 | 2021-11-01 | Arc generator for stripping graphene and manufacturing method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN113800507A (en) |
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2021
- 2021-11-01 CN CN202111281341.7A patent/CN113800507A/en active Pending
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