CN107555421B - Graphene growth protection device - Google Patents
Graphene growth protection device Download PDFInfo
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- CN107555421B CN107555421B CN201711043572.8A CN201711043572A CN107555421B CN 107555421 B CN107555421 B CN 107555421B CN 201711043572 A CN201711043572 A CN 201711043572A CN 107555421 B CN107555421 B CN 107555421B
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Abstract
The invention discloses a graphene growth protection device which comprises a base, wherein a furnace body is fixed at the upper end of the base, a cavity is arranged in the furnace body, a heater, a heat transfer net and a cooler are sequentially arranged in the cavity from top to bottom, a quartz tube is arranged in the heater, two ends of the quartz tube penetrate through the heater and are respectively connected with a vacuum flange and a connecting flange, one end, far away from the quartz tube, of the connecting flange is communicated with a gas pipe, a cooling gas outlet pipe, a cooling gas inlet pipe and a pressure gauge, a first mounting plate and a second mounting plate are sleeved at two ends of the quartz tube, supporting plates are fixed at two sides of the furnace body through locking screws, and mounting frames are fixed at the upper ends of the two supporting plates. This graphite alkene growth protection device cooling safeguard measure is perfect, improves the quality of graphite alkene, and the quartz capsule dismantles conveniently, reduces the clearance degree of difficulty, reduces staff's work burden.
Description
Technical Field
The invention relates to the technical field of graphene production, in particular to a graphene growth protection device.
Background
Graphene is naturally present in nature, and it is difficult to exfoliate a single-layer structure. Graphene is graphite when it is stacked one on top of another, and graphite having a thickness of 1 mm contains about 300 ten thousand graphene layers. The pencil is slightly scratched on paper, the left trace can be several layers or even only one layer of graphene is a two-dimensional periodic honeycomb lattice structure consisting of carbon six-membered rings, the graphene can be warped into zero-dimensional fullerene, rolled into one-dimensional carbon nano-tubes or stacked into three-dimensional graphite, therefore, the graphene is a basic unit for forming other graphite materials, the basic structural unit of the graphene is the most stable benzene six-membered ring in organic materials, the graphene is the most ideal two-dimensional nanomaterial at present, the ideal graphene structure is a planar hexagonal lattice, the graphene can be regarded as a layer of exfoliated graphite molecules, each carbon atom is hybridized by sp2, and contributes to electrons on the rest one p orbital to form a large pi bond, the pi electrons can move freely, good conductivity is given to graphene, and the two-dimensional graphene structure can be regarded as a basic composition unit forming all sp2 hybridized carbonaceous materials. But current graphite alkene growth in-process safeguard measure is imperfect, influences graphite alkene performance, and carries out graphite alkene growth work in the quartz capsule, and the quartz capsule dismantles loaded down with trivial details, leads to the clearance difficulty, increases staff's work burden.
Disclosure of Invention
The invention aims to solve the problems that the protection measures are incomplete and the quartz tube is complex to disassemble in the prior art, and provides a graphene growth protection device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a graphene growth protection device comprises a base, wherein a furnace body is fixed at the upper end of the base, a cavity is arranged in the furnace body, a heater, a heat transfer net and a cooler are sequentially arranged in the cavity from top to bottom, a quartz tube is arranged in the heater, the two ends of the quartz tube penetrate through the heater and are respectively connected with a vacuum flange and a connecting flange, one end, away from the quartz tube, of the connecting flange is communicated with a gas pipe, a cooling gas outlet pipe, a cooling gas inlet pipe and a pressure gauge, a first mounting plate and a second mounting plate are sleeved at the two ends of the quartz tube, supporting plates are fixed at the two sides of the furnace body through locking screws, mounting frames are fixed at the upper ends of the two supporting plates, connecting rods are arranged between the two mounting frames and the first mounting plate and the second mounting plate respectively, both ends of the connecting rod are respectively sleeved with a limiting device.
Preferably, stop device includes first limiting plate and second limiting plate, one side that first limiting plate and second limiting plate are close to the connecting rod is equipped with the rubber slab, the both ends of first limiting plate and second limiting plate are equipped with first stopper and second stopper respectively, be equipped with the gag lever post between first stopper and the second stopper, the inside of first stopper and second stopper all is equipped with the screw that corresponds with the gag lever post, two be equipped with opposite direction's screw respectively in the screw, two screws are run through respectively at the both ends of gag lever post, and are threaded connection between gag lever post and first stopper, the second stopper.
Preferably, the inside of backup pad is equipped with logical groove, it is equipped with the dead lever to lead to the inslot, it is equipped with the internal thread with dead lever threaded connection to lead to the inslot wall, the lower extreme of dead lever runs through logical groove and is connected with the fixed block, be equipped with the spring between fixed block and the backup pad, the both ends of dead lever all run through logical groove, and the last pot head of dead lever is equipped with the rubber circle, rotate between the lower extreme of dead lever and the fixed block and be connected.
Preferably, the cooler is fixed to the bottom end side wall in the cavity by a locking screw.
Preferably, valves are arranged on the gas pipe, the cooling gas outlet pipe and the cooling gas inlet pipe.
Preferably, the lower end of the base is provided with a travelling mechanism, and the travelling mechanism adopts universal wheels.
In the invention, the graphene growth protection device realizes integral movement through a travelling mechanism at the lower end of a base, so that the device is suitable for working in different places, the utilization rate of the device is improved, after the device reaches a specified place, a fixed rod is rotated to enable the fixed block to move downwards to push the fixed block to be in contact with the place, the position limitation of the device is completed, the stability during working is ensured, when the device needs to move, the fixed rod is rotated reversely, a spring pulls up the fixed block to facilitate movement, a graphene material enters a quartz tube through a gas delivery pipe, the heater heats the outside of the quartz tube to realize the temperature increase of the inside of the quartz tube, the temperature required by the growth of the graphene is reached, the growth of the graphene is completed by heating, the heater is closed, the cooling is carried out through a cooler, the cooling speed is accelerated by a heat transfer net, accomplish cooling gas cooling circulation in the quartz capsule from the cooling gas exit tube for cooling rate makes graphite alkene deposit, and the manometer can realize the pressure monitoring in the quartz capsule, guarantees the safety of quartz capsule, when needing to clear up the quartz capsule, rotates the gag lever post, makes first stopper and second stopper remove simultaneously, makes first limiting plate and second limiting plate loosen the fixed to the connecting rod, takes out the connecting rod from, makes things convenient for the dismantlement of quartz capsule, makes the clearance simple. This graphite alkene growth protection device cooling safeguard measure is perfect, improves the quality of graphite alkene, and the quartz capsule dismantles conveniently, reduces the clearance degree of difficulty, reduces staff's work burden.
Drawings
Fig. 1 is a schematic structural diagram of a graphene growth protection device according to the present invention;
fig. 2 is a schematic structural diagram of a position a of the graphene growth protection device according to the present invention;
fig. 3 is a schematic structural view of a limiting device of the graphene growth protection device provided by the invention.
In the figure: 1 running gear, 2 bases, 3 coolers, 4 heat transfer nets, 5 supporting plates, 6 fixing rods, 7 fixing blocks, 8 springs, 9 rubber rings, 10 mounting racks, 11 vacuum flanges, 12 quartz tubes, 13 gas transmission pipes, 14 connecting flanges, 15 cooling gas outlet pipes, 16 cooling gas inlet pipes, 17 valves, 18 pressure gauges, 19 heaters, 20 furnace bodies, 21 first mounting plates, 22 connecting rods, 23 limiting devices, 24 first limiting plates, 25 second limiting plates, 26 first limiting blocks, 27 second limiting blocks, 28 limiting rods, 29 rubber plates and 30 second mounting plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-2, a graphene growth protection device comprises a base 2, a furnace body 20 is fixed at the upper end of the base 2, a cavity is arranged inside the furnace body 20, a heater 19, a heat transfer net 4 and a cooler 3 are sequentially arranged in the cavity from top to bottom, a quartz tube 12 is arranged inside the heater 19, two ends of the quartz tube 12 penetrate through the heater 19 and are respectively connected with a vacuum flange 11 and a connecting flange 14, one end of the connecting flange 14, far away from the quartz tube 12, is communicated with a gas pipe 13, a cooling gas outlet pipe 15, a cooling gas inlet pipe 16 and a pressure gauge 18, the heater 19 is closed, the heat transfer net 4 is cooled by the cooler 3, the cooling speed is accelerated, meanwhile, cooling gas enters the quartz tube 12 from the cooling gas inlet pipe 16, cooling circulation of the cooling gas in the quartz tube 12 is completed from the cooling gas outlet pipe 15, the cooling speed is accelerated, and the graphene is, pressure monitoring in the quartz capsule 12 can be realized to manometer 18, guarantee quartz capsule 12's safety, graphite alkene material passes through gas-supply pipe 13 and gets into in quartz capsule 12, through heater 19 at quartz capsule 12 external heating, realize the improvement of quartz capsule 12 internal temperature, reach the temperature that graphite alkene growth needs, the growth of graphite alkene is accomplished in the heating, the both ends cover of quartz capsule 12 is equipped with first mounting panel 21 and second mounting panel 30, furnace body 20's both sides all are fixed with backup pad 5 through locking screw, the upper end of two backup pads 5 all is fixed with mounting bracket 10, and the both ends at quartz capsule 12 are cup jointed respectively to the upper end of two mounting brackets 10, two mounting brackets 10 and first mounting panel 21, all be equipped with connecting rod 22 between the second mounting panel 30, the both ends of connecting rod 22 all overlap and are equipped with stop device 23.
In the invention, the limiting device 23 comprises a first limiting plate 24 and a second limiting plate 25, a rubber plate 29 is arranged on one side of the first limiting plate 24 and the second limiting plate 25 close to the connecting rod 22, a first limiting block 26 and a second limiting block 27 are respectively arranged at two ends of the first limiting plate 24 and the second limiting plate 25, a limiting rod 28 is arranged between the first limiting block 26 and the second limiting block 27, screw holes corresponding to the limiting rod 28 are respectively arranged inside the first limiting block 26 and the second limiting block 27, threads with opposite directions are respectively arranged in the two screw holes, two ends of the limiting rod 28 respectively penetrate through the two screw holes, the limiting rod 28 is in threaded connection with the first limiting block 26 and the second limiting block 27, when the quartz tube 12 needs to be cleaned, the limiting rod 28 is rotated to enable the first limiting block 26 and the second limiting block 27 to simultaneously move, so that the first limiting plate 24 and the second limiting plate 25 are loosened from fixing the connecting rod 22, the connecting rod 22 is pulled away to facilitate the disassembly of the quartz tube 12, so that the cleaning is simple, a through groove is arranged inside the supporting plate 5, a fixing rod 6 is arranged in the through groove, an inner thread in threaded connection with the fixing rod 6 is arranged on the inner side wall of the through groove, the lower end of the fixing rod 6 penetrates through the through groove and is connected with a fixing block 7, a spring 8 is arranged between the fixing block 7 and the supporting plate 5, two ends of the fixing rod 6 penetrate through the through groove, a rubber ring 9 is sleeved on the upper end of the fixing rod 6, the lower end of the fixing rod 6 is rotatably connected with the fixing block 7, after the fixing rod 6 reaches a specified place, the fixing block 7 is rotated to move downwards, the fixing block 7 is pushed to be contacted with the place, the position of the finishing device is limited, the stability in the working process is ensured, when the fixing rod 6 needs to, the gas pipe 13, the cooling gas outlet pipe 15 and the cooling gas inlet pipe 16 are all provided with valves 17, the valves 17 are locked, gas is placed to leak, the lower end of the base 2 is provided with the travelling mechanism 1, the travelling mechanism 1 adopts universal wheels, the travelling mechanism 1 realizes overall movement, the device is suitable for working in different places, and the utilization rate of the device is improved.
In the invention, the graphene growth protection device realizes integral movement through the traveling mechanism 1 at the lower end of the base 2, so that the device is suitable for working in different places, the utilization rate of the device is improved, after the device reaches a specified place, the fixing rod 6 is rotated to enable the fixing block 7 to move downwards, the fixing block 7 is pushed to be in contact with the place, the position of the device is limited, the stability in working is ensured, when the device needs to move, the fixing rod 6 is rotated reversely, the fixing block 7 is pulled up by the spring 8 to facilitate the movement, a graphene material enters the quartz tube 12 through the gas conveying pipe 13, the heater 19 heats the outside of the quartz tube 12 to realize the increase of the internal temperature of the quartz tube 12, the temperature required by the growth of the graphene is reached, the growth of the graphene is completed through heating, the heater 19 is closed, the cooling is carried out through the cooler 3, the heat transfer net 4 realizes the acceleration of the cooling speed, and, accomplish cooling gas at quartz capsule 12 internal cooling circulation from cooling gas exit tube 15, accelerate cooling rate, make graphite alkene deposit, manometer 18 can realize the pressure monitoring in quartz capsule 12, guarantee quartz capsule 12's safety, when needing to clear up quartz capsule 12, rotate gag lever post 28, make first stopper 26 and second stopper 27 remove simultaneously, make first limiting plate 24 and second limiting plate 25 loosen the fixed to connecting rod 22, take out connecting rod 22, make things convenient for the dismantlement of quartz capsule 12, it is simple to make the clearance. This graphite alkene growth protection device cooling safeguard measure is perfect, improves the quality of graphite alkene, and the quartz capsule dismantles conveniently, reduces the clearance degree of difficulty, reduces staff's work burden.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (1)
1. The utility model provides a graphite alkene growth protection device, includes base (2), its characterized in that, the upper end of base (2) is fixed with furnace body (20), the inside of furnace body (20) is equipped with the cavity, from last to being equipped with heater (19), heat transfer net (4) and cooler (3) down in proper order in the cavity, the inside of heater (19) is equipped with quartz capsule (12), heater (19) are all run through and are connected with vacuum flange (11) and flange (14) respectively at the both ends of quartz capsule (12), the one end intercommunication that quartz capsule (12) were kept away from in flange (14) has gas-supply pipe (13), cooling gas exit tube (15), cooling gas to advance pipe (16) and manometer (18), the both ends cover of quartz capsule (12) are equipped with first mounting panel (21) and second mounting panel (30), the both sides of furnace body (20) are all fixed with backup pad (5) through locking screw, mounting racks (10) are fixed at the upper ends of the two supporting plates (5), the upper ends of the two mounting racks (10) are respectively sleeved at the two ends of the quartz tube (12), connecting rods (22) are arranged between the two mounting racks (10) and the first mounting plate (21) and the second mounting plate (30), and limiting devices (23) are sleeved at the two ends of each connecting rod (22);
the cooler (3) is fixed on the side wall of the bottom end in the cavity through a locking screw;
valves (17) are arranged on the gas conveying pipe (13), the cooling gas outlet pipe (15) and the cooling gas inlet pipe (16);
the lower end of the base (2) is provided with a travelling mechanism (1), and the travelling mechanism (1) adopts universal wheels;
the limiting device (23) comprises a first limiting plate (24) and a second limiting plate (25), a rubber plate (29) is arranged on one side, close to the connecting rod (22), of the first limiting plate (24) and the second limiting plate (25), a first limiting block (26) and a second limiting block (27) are arranged at two ends of the first limiting plate (24) and the second limiting plate (25) respectively, a limiting rod (28) is arranged between the first limiting block (26) and the second limiting block (27), screw holes corresponding to the limiting rods (28) are formed in the first limiting block (26) and the second limiting block (27), opposite-direction threads are arranged in the two screw holes respectively, two ends of the limiting rod (28) penetrate through the two screw holes respectively, and the limiting rod (28) is in threaded connection with the first limiting block (26) and the second limiting block (27);
the inside of backup pad (5) is equipped with logical groove, it is equipped with dead lever (6) to lead to the inslot, it is equipped with the internal thread with dead lever (6) threaded connection on the logical inslot wall to lead to, the lower extreme of dead lever (6) runs through logical groove and is connected with fixed block (7), be equipped with spring (8) between fixed block (7) and backup pad (5), the both ends of dead lever (6) all run through logical groove, and the last pot head of dead lever (6) is equipped with rubber circle (9), rotate between the lower extreme of dead lever (6) and fixed block (7) and be connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711043572.8A CN107555421B (en) | 2017-10-31 | 2017-10-31 | Graphene growth protection device |
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| CN201711043572.8A CN107555421B (en) | 2017-10-31 | 2017-10-31 | Graphene growth protection device |
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| CN107555421B true CN107555421B (en) | 2020-10-02 |
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| CN113353919B (en) * | 2020-03-04 | 2022-11-01 | 哈尔滨金纳科技有限公司 | Single-walled carbon nanotube preparation facilities |
| CN111733400B (en) * | 2020-07-07 | 2024-08-16 | 北京石墨烯技术研究院有限公司 | Quartz bracket and quartz heating device |
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