CN112661141B - Equipment for preparing graphene - Google Patents
Equipment for preparing graphene Download PDFInfo
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- CN112661141B CN112661141B CN202110023867.9A CN202110023867A CN112661141B CN 112661141 B CN112661141 B CN 112661141B CN 202110023867 A CN202110023867 A CN 202110023867A CN 112661141 B CN112661141 B CN 112661141B
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Abstract
The invention discloses equipment for preparing graphene, which relates to the technical field of graphene preparation, and can reduce the natural cooling process of a material body and improve the preparation efficiency, wherein high-temperature inert gas is utilized to enable graphite oxide to be subjected to high-temperature reduction, normal-temperature inert gas is utilized to serve as power for driving the material body to enter a material body pipe, the utilization efficiency of energy sources can be improved, the material body entering the material body pipe is lifted through rotation of a spiral groove and then moves towards a reaction bin, the time of the material body staying in the material body pipe is prolonged, the cooling effect is improved, in addition, a temperature sensor in a collecting pipe can detect the temperature of the material body, when the temperature does not reach the standard, the blanking speed is controlled through a compensation component, the material body is subjected to compensation cooling, the qualification rate of the material body is improved, and the whole preparation efficiency is improved.
Description
Technical Field
The invention relates to the technical field of graphene preparation, in particular to equipment for preparing graphene.
Background
In recent years, graphene is paid attention to as a pet in the field of new materials, in a preparation method of graphene, preparation price of powder graphene is lower, application is wider, development potential is larger, wherein in the preparation process of graphene, graphite oxide is firstly put into, then high-temperature inert gas is introduced to react, after the reaction is finished, the graphene is directly collected, at the moment, the temperature of a material body is higher, the next treatment link can be carried out after the material body is cooled, waiting time is longer, although related cooling equipment is used for cooling the material body at present, cooling effect is general, due to the fact that only spiral pipes and the like are used for shielding, the material body cannot be fully dispersed and polymerized to dissipate heat, the cooling effect is general, and the whole resource utilization rate is lower.
Accordingly, there is a need to provide an apparatus for preparing graphene to solve the problems set forth in the background art described above.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: the equipment for preparing the graphene comprises a reaction bin, a cooling pipe assembly and a collection bin, wherein a feed inlet is formed in the top of the reaction bin, and a first air inlet pipe and a second air inlet pipe are vertically embedded in parallel on the side surface of the reaction bin and used for introducing gas to participate in preparation;
the reacted material body enters the collecting pipe after being cooled by the cooling pipe assembly and falls into the collecting bin;
the power of the material body entering the cooling pipe assembly is provided by the gas in the first gas inlet pipe;
and the interior of the cooling tube assembly is refrigerated by a refrigerator.
Further, preferably, the cooling pipe assembly comprises a cooling pipe, a material body pipe, a sealing bearing seat and a feeding head, wherein one end of the cooling pipe is fixedly connected with the feeding head, the feeding head is in a bent pipe shape, the other end of the feeding head is communicated into the reaction bin, and the other end of the cooling pipe is communicated with the collecting pipe;
two groups of sealing bearing seats are fixed in the middle of the cooling pipe, a rotatable material body pipe is arranged between the two groups of sealing bearing seats, one end of the material body pipe extends into the feeding head, and the other end of the material body pipe penetrates through the sealing bearing seats towards the direction of the collecting pipe.
Further, preferably, a first gear is coaxially fixed at one side end of the material pipe, the first gear is meshed with a second gear, the second gear is coaxially fixed on a first rotating shaft, the first rotating shaft is rotatably arranged in a transmission bin fixed on one side of the cooling pipe, a first driven gear is coaxially fixed on the first rotating shaft, the first driven gear is meshed with the second driven gear, the second driven gear is fixed on the second rotating shaft, and the second rotating shaft is rotatably arranged in the transmission bin and driven by a micro motor fixed outside the transmission bin.
Further, preferably, a spiral groove is disposed on an inner wall of the material pipe, and the material entering the material pipe is lifted by rotation of the spiral groove to move toward the reaction bin.
Further, preferably, the refrigerator is fixed at the top of the cooling pipe, and a first liquid feeding pipe and a second liquid feeding pipe are arranged on the refrigerator, wherein the first liquid feeding pipe extends into the cooling pipe and is positioned between the two groups of sealed bearing seats;
and the second liquid conveying pipe is connected with the compensation component.
Further, as the preference, compensation subassembly includes elasticity discharging pipe and compensation cover, wherein, elasticity discharging pipe is placed in the collecting pipe, just the top of elasticity discharging pipe adopts the funnel pipe to link to each other with the inner wall of collecting pipe, the bottom of elasticity discharging pipe also adopts the funnel pipe to link to each other with the inner wall of collecting pipe, the outside at elasticity discharging pipe is set up to the compensation cover for carry out temperature compensation and control its unloading speed to the material body wherein.
Further, as an optimization, the compensation sleeve comprises a fixed claw, a cooling arc-shaped groove bag, a base and an adjusting claw, wherein the fixed claw and the base are fixed on the inner wall of the collecting pipe, the base is hinged with the adjusting claw, and the adjusting claw and the fixed claw are matched to realize clamping contact of the elastic discharging pipe;
the inner wall of the fixed claw is embedded with a cooling arc type groove bag which is communicated with the liquid feeding pipe;
one end of the adjusting claw is hinged with the hinging seat, the other end of the hinging seat is hinged with the adjusting rod, and the adjusting rod is slidably arranged in the fixed claw and driven by the telescopic rod fixed outside the collecting pipe.
Further, preferably, stirring blades are rotatably provided in the reaction chamber, and the stirring blades are driven by a stirring motor fixed outside the reaction chamber.
Further, preferably, a gas recovery pipe is communicated with the top of the collecting pipe, and the gas recovery pipe is used as recovery power by a suction pump.
Further, as preferable, high-temperature inert gas is introduced into the reaction bin through the air inlet pipe;
and normal-temperature inert gas is introduced into the reaction bin through the air inlet pipe, and the first air inlet pipe is an L-shaped pipe, and one end of the first air inlet pipe, which is positioned in the reaction bin, is arranged towards the feeding head.
Compared with the prior art, the invention provides equipment for preparing graphene, which has the following beneficial effects:
according to the invention, the natural cooling process of the material body can be reduced, the preparation efficiency is improved, the graphite oxide can be subjected to high-temperature reduction by utilizing the high-temperature inert gas, the normal-temperature inert gas is used as power for driving the material body to enter the material body pipe, the energy utilization efficiency can be improved, the material body entering the material body pipe is lifted by the rotation of the spiral groove and then moves towards the reaction bin, the time of the material body staying in the material body pipe is prolonged, the material body is fully dispersed and polymerized in the material body, the cooling effect is improved, in addition, the temperature sensor in the collecting pipe can detect the temperature of the material body, when the temperature does not reach the standard, the blanking speed is controlled by the compensation component, the material body is subjected to compensation cooling, the qualification rate of the material body is improved, and the whole preparation efficiency is improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic plan view of a middle portion of FIG. 1;
FIG. 3 is a schematic view of the structure of the compensation sleeve according to the present invention;
FIG. 4 is a schematic view showing the internal structure of a material pipe according to the present invention;
in the figure: 1. a reaction bin; 2. an agitation motor; 3. a feed inlet; 4. an air inlet pipe I; 5. an air inlet pipe II; 6. a cooling tube assembly; 7. a refrigerator; 8. a collection pipe; 9. a compensation component; 10. a gas recovery tube; 11. a collecting bin; 12. a suction pump; 13. a first gear; 14. a first rotating shaft; 15. a driven gear I; 16. a driven gear II; 17. a second rotating shaft; 18. a micro motor; 61. a cooling tube; 62. a material body tube; 63. sealing the bearing seat; 64. a feed block; 65. a liquid outlet pipe; 66. a pipe sleeve; 67. a cooling jacket; 71. a first liquid feeding pipe; 73. a liquid feeding pipe II; 91. an elastic discharging pipe; 92. a compensation sleeve; 921. a fixed claw; 922. cooling the arc-shaped groove bags; 923. a base; 924. an adjusting claw; 925. an adjusting rod; 926. a telescopic rod.
Detailed Description
Referring to fig. 1 to 4, in an embodiment of the present invention, an apparatus for preparing graphene includes a reaction bin 1, a cooling tube assembly 6, and a collection bin 11, where a feed inlet 3 is provided at the top of the reaction bin 1, and a first air inlet pipe 4 and a second air inlet pipe 5 are vertically embedded in parallel on a side surface of the reaction bin 1, and are used for introducing gas to participate in preparation;
the reacted material enters the collecting pipe 8 after being cooled by the cooling pipe assembly 6 and falls into the collecting bin 11;
and the power of the material body entering the cooling pipe assembly 6 is provided by the gas in the first gas inlet pipe 4;
and the interior of the cooling tube assembly 6 is cooled by a refrigerator 7.
In this embodiment, as shown in fig. 2, the cooling tube assembly 6 includes a cooling tube 61, a material body tube 62, a sealing bearing seat 63, and a feeding head 64, wherein one end of the cooling tube 61 is fixedly connected to the feeding head 64, the feeding head 64 is in a bent tube shape, the other end of the feeding head 64 is communicated to the reaction chamber 1, and the other end of the cooling tube 61 is communicated with the collecting tube 8;
two groups of sealing bearing seats 63 are fixed in the middle of the cooling pipe 61, a rotatable material body pipe 62 is arranged between the two groups of sealing bearing seats 63, one end of the material body pipe 62 extends into a feed head 64, the other end of the material body pipe passes through the sealing bearing seats towards the direction of the collecting pipe 8 so as to transfer the material body through the cooling pipe 61, and the cooling pipe 61 is preferably a heat conducting pipe, and fins are distributed on the outer surface of the part of the cooling pipe between the two groups of sealing bearing seats.
In this embodiment, the first gear 13 is coaxially fixed to one end of the material tube 62, the first gear 13 is meshed with the second gear, the second gear is coaxially fixed to the first shaft 14, the first shaft 14 is rotatably disposed in a transmission chamber fixed to one side of the cooling tube 61, the first shaft 14 is coaxially fixed to the first driven gear 15, the first driven gear 15 is meshed with the second driven gear 16, the second driven gear 16 is fixed to the second shaft 17, the second shaft 17 is rotatably disposed in the transmission chamber and driven by the micro motor 18 fixed to the outside of the transmission chamber, and in a specific implementation, the second shaft 17 is driven by the micro motor 18, so that the first shaft 14 can be driven to rotate by the cooperation of the first driven gear 15 and the second driven gear 16, and the material tube 62 can be driven by the rotation of the first shaft 14 by the cooperation of the first gear and the second gear.
As a preferred embodiment, the inner wall of the material tube 62 is provided with a spiral groove, and the material entering the material tube 62 is lifted by the rotation of the spiral groove to move toward the reaction chamber 1, so that the time for the material to stay in the material tube 62 is increased, and the cooling effect is improved.
In this embodiment, the refrigerator 7 is fixed on the top of the cooling tube 61, and the first liquid feeding tube 71 and the second liquid feeding tube 72 are disposed on the refrigerator 7, where the first liquid feeding tube 71 extends into the cooling tube 61 and is located between the two sets of seal bearing seats 63;
the second liquid feeding pipe 72 is connected with the compensation component 9, and the refrigerator 7 can provide refrigerated heat-conducting liquid and continuously provide refrigeration effect for the heat-conducting liquid.
In this embodiment, as shown in fig. 2 and 3, the compensation component 9 includes an elastic discharging pipe 91 and a compensation sleeve 92, where the elastic discharging pipe 91 is placed in the collecting pipe 8, and the top of the elastic discharging pipe 91 is connected with the inner wall of the collecting pipe 8 by adopting a funnel pipe, the bottom of the elastic discharging pipe 91 is also connected with the inner wall of the collecting pipe 8 by adopting a funnel pipe, and the compensation sleeve 92 is arranged outside the elastic discharging pipe 91 and is used for performing temperature compensation on the material therein and controlling the blanking speed thereof, and preferably, the temperature sensor is arranged above the compensation component 9 in the collecting pipe 8 and is used for detecting the temperature of the material, when the temperature does not reach the standard, the blanking speed is controlled by the compensation component 9, and the material is cooled in a compensation mode.
As a preferred embodiment, the compensating sleeve 92 includes a fixing claw 921, a cooling arc-shaped groove 922, a base 923 and an adjusting claw 924, wherein the fixing claw 921 and the base 923 are both fixed on the inner wall of the collecting pipe 8, and the base 923 is hinged with the adjusting claw 924, and the adjusting claw 924 and the fixing claw 921 cooperate to realize clamping contact for the elastic discharging pipe 91;
a cooling arc-shaped groove bag 922 is embedded in the inner wall of the fixing claw 921, and the cooling arc-shaped groove bag 922 is communicated with the second liquid conveying pipe 72;
one end of the adjusting claw 924 is hinged to a hinge seat, the other end of the hinge seat is hinged to an adjusting rod 925, the adjusting rod 925 is slidably arranged in the fixing claw 921 and is driven by a telescopic rod 926 fixed outside the collecting pipe 8, and when the adjusting claw is driven by the telescopic rod 926 to move in specific implementation, so that the elastic discharging pipe 91 is driven to be attached to the cooling arc-shaped groove bag for compensated cooling, and the elastic discharging pipe 91 is clamped, so that the discharging speed can be controlled.
As a preferred embodiment, as shown in fig. 1, the reaction chamber 1 is rotatably provided with stirring blades (not shown), and the stirring blades are driven by a stirring motor 2 fixed to the outside of the reaction chamber 1.
As a preferred embodiment, the top of the collecting pipe 8 is communicated with a gas recovery pipe 10, and the gas recovery pipe 10 is powered by a suction pump 12.
As a preferred embodiment, high-temperature inert gas is introduced into the reaction bin 1 through the second air inlet pipe 5;
and the first air inlet pipe 4 is used for introducing normal-temperature inert gas into the reaction bin 1, the first air inlet pipe 4 is an L-shaped pipe, one end of the first air inlet pipe, which is positioned in the reaction bin 1, is arranged towards the feed head 64, graphite oxide is subjected to high-temperature reduction by using high-temperature inert gas, and the normal-temperature inert gas is used as power for driving a material body to enter the material body pipe, so that the utilization efficiency of energy sources can be improved.
In the concrete implementation, graphite oxide is put into the reaction bin 1 through the feed inlet 3, at this time, the stirring motor 2 is started, high-temperature inert gas is introduced, reaction is carried out, then normal-temperature inert gas is introduced into the reaction bin 1 through the first air inlet pipe 4, the first air inlet pipe 4 is an L-shaped pipe, one end of the first air inlet pipe located in the reaction bin 1 is arranged towards the feed head 64, so that the normal-temperature inert gas is used for driving the material body to enter the material body pipe, at this time, the micro motor 18 is started to drive the material body pipe to rotate, spiral grooves are distributed on the inner wall of the material body pipe 62, the material body entering the material body pipe 62 is lifted through the rotation of the spiral grooves, the moving trend towards the reaction bin 1 is increased, the time of the material body staying in the material body pipe 62 is prolonged, the cooling effect is improved, at this time, the normal-temperature inert gas is recovered by the gas recovery pipe 10, the material body enters the collecting pipe 8, the temperature sensor in the collecting pipe 8 is used for detecting the temperature of the material body, when the temperature does not reach the standard, the blanking speed is controlled through the compensating component 9, the material body is cooled, finally, the material body is cooled down through the compensating bin 11, the natural cooling efficiency is reduced, and the whole preparation process is carried out.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. An apparatus for preparing graphene, characterized in that: the device comprises a reaction bin (1), a cooling pipe assembly (6) and a collecting bin (11), wherein a feed inlet (3) is formed in the top of the reaction bin (1), and an air inlet pipe I (4) and an air inlet pipe II (5) are vertically embedded in parallel on the side surface of the reaction bin (1) and used for introducing gas to participate in preparation;
the reacted material enters a collecting pipe (8) after being cooled by a cooling pipe assembly (6) and falls into a collecting bin (11);
the power of the material body entering the cooling pipe assembly (6) is provided by the gas in the first gas inlet pipe (4);
and the interior of the cooling tube assembly (6) is refrigerated by a refrigerator (7);
the cooling pipe assembly (6) comprises a cooling pipe (61), a material body pipe (62), a sealing bearing seat (63) and a feeding head (64), wherein one end of the cooling pipe (61) is fixedly connected with the feeding head (64), the feeding head (64) is in a bent pipe shape, the other end of the feeding head is communicated into the reaction bin (1), and the other end of the cooling pipe (61) is communicated with the collecting pipe (8);
two groups of sealing bearing seats (63) are fixed in the middle of the cooling pipe (61), a rotatable material body pipe (62) is arranged between the two groups of sealing bearing seats (63), one end of the material body pipe (62) stretches into a feed head (64), and the other end of the material body pipe passes through the sealing bearing seats towards the direction of the collecting pipe (8);
the end part of one side of the material body pipe (62) is coaxially fixed with a first gear (13), the first gear (13) is meshed with a second gear, the second gear is coaxially fixed on a first rotating shaft (14), the first rotating shaft (14) is rotatably arranged in a transmission bin fixed on one side of the cooling pipe (61), the first rotating shaft (14) is coaxially fixed with a first driven gear (15), the first driven gear (15) is meshed with a second driven gear (16), the second driven gear (16) is fixed on a second rotating shaft (17), and the second rotating shaft (17) is rotatably arranged in the transmission bin and driven by a miniature motor (18) fixed outside the transmission bin;
spiral grooves are arranged on the inner wall of the material body pipe (62), and the material body entering the material body pipe (62) is lifted through the rotation of the spiral grooves and tends to move towards the reaction bin (1);
the refrigerator (7) is fixed at the top of the cooling pipe (61), and the refrigerator (7) is provided with a first liquid conveying pipe (71) and a second liquid conveying pipe (72), wherein the first liquid conveying pipe (71) stretches into the cooling pipe (61) and is positioned between the two groups of sealing bearing seats (63);
the second liquid conveying pipe (72) is connected with the compensation component (9);
the compensating assembly (9) comprises an elastic discharging pipe (91) and a compensating sleeve (92), wherein the elastic discharging pipe (91) is arranged in the collecting pipe (8), the top of the elastic discharging pipe (91) is connected with the inner wall of the collecting pipe (8) by adopting a funnel pipe, the bottom of the elastic discharging pipe (91) is also connected with the inner wall of the collecting pipe (8) by adopting the funnel pipe, and the compensating sleeve (92) is arranged outside the elastic discharging pipe (91) and is used for carrying out temperature compensation on a material body in the elastic discharging pipe and controlling the discharging speed of the material body;
the compensating sleeve (92) comprises a fixed claw (921), a cooling arc-shaped groove bag (922), a base (923) and an adjusting claw (924), wherein the fixed claw (921) and the base (923) are both fixed on the inner wall of the collecting pipe (8), the base (923) is hinged with the adjusting claw (924), and the adjusting claw (924) is matched with the fixed claw (921) to realize clamping contact of the elastic discharging pipe (91);
the inner wall of the fixed claw (921) is embedded with a cooling arc-shaped groove bag (922), and the cooling arc-shaped groove bag (922) is communicated with a liquid conveying pipe II (72);
one end of the adjusting claw (924) is hinged with a hinged seat, the other end of the hinged seat is hinged with an adjusting rod (925), and the adjusting rod (925) is slidably arranged in the fixing claw (921) and is driven by a telescopic rod (926) fixed outside the collecting pipe (8).
2. The apparatus for preparing graphene according to claim 1, wherein: the stirring blades are rotationally arranged in the reaction bin (1), and are driven by a stirring motor (2) fixed outside the reaction bin (1).
3. The apparatus for preparing graphene according to claim 1, wherein: the top of the collecting pipe (8) is communicated with a gas recovery pipe (10), and the gas recovery pipe (10) is used as recovery power by a suction pump (12).
4. The apparatus for preparing graphene according to claim 1, wherein: introducing high-temperature inert gas into the reaction bin (1) through the second air inlet pipe (5);
and the first air inlet pipe (4) is used for introducing normal-temperature inert gas into the reaction bin (1), and the first air inlet pipe (4) is an L-shaped pipe, and one end of the first air inlet pipe, which is positioned in the reaction bin (1), faces the feeding head (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110023867.9A CN112661141B (en) | 2021-01-08 | 2021-01-08 | Equipment for preparing graphene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110023867.9A CN112661141B (en) | 2021-01-08 | 2021-01-08 | Equipment for preparing graphene |
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| Publication Number | Publication Date |
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| CN112661141A CN112661141A (en) | 2021-04-16 |
| CN112661141B true CN112661141B (en) | 2023-05-05 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102730677A (en) * | 2012-07-23 | 2012-10-17 | 贵州新碳高科有限责任公司 | Equipment and method for preparing graphene and prepared graphene |
| CN205662321U (en) * | 2016-05-17 | 2016-10-26 | 南京飞龙特种消防设备制造有限公司 | Apparatus for preparing graphite alkene |
| CN106542528A (en) * | 2016-11-09 | 2017-03-29 | 新奥科技发展有限公司 | A kind of preparation facilitiess of Graphene and the method for preparing Graphene using the preparation facilitiess and annealing reparation being carried out to Graphene |
| CN107628602A (en) * | 2017-10-29 | 2018-01-26 | 成都格莱飞科技股份有限公司 | A kind of graphene manufacture device |
| CN112062122A (en) * | 2020-09-16 | 2020-12-11 | 马敏敏 | Cooling device based on CVD method preparation graphite alkene |
-
2021
- 2021-01-08 CN CN202110023867.9A patent/CN112661141B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102730677A (en) * | 2012-07-23 | 2012-10-17 | 贵州新碳高科有限责任公司 | Equipment and method for preparing graphene and prepared graphene |
| CN205662321U (en) * | 2016-05-17 | 2016-10-26 | 南京飞龙特种消防设备制造有限公司 | Apparatus for preparing graphite alkene |
| CN106542528A (en) * | 2016-11-09 | 2017-03-29 | 新奥科技发展有限公司 | A kind of preparation facilitiess of Graphene and the method for preparing Graphene using the preparation facilitiess and annealing reparation being carried out to Graphene |
| CN107628602A (en) * | 2017-10-29 | 2018-01-26 | 成都格莱飞科技股份有限公司 | A kind of graphene manufacture device |
| CN112062122A (en) * | 2020-09-16 | 2020-12-11 | 马敏敏 | Cooling device based on CVD method preparation graphite alkene |
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