CN112010293A - Graphene double-cylinder linkage equipment - Google Patents
Graphene double-cylinder linkage equipment Download PDFInfo
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- CN112010293A CN112010293A CN202010941554.7A CN202010941554A CN112010293A CN 112010293 A CN112010293 A CN 112010293A CN 202010941554 A CN202010941554 A CN 202010941554A CN 112010293 A CN112010293 A CN 112010293A
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/06—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/002—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for driven by internal combustion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/14—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum
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- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Nanotechnology (AREA)
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Abstract
The invention relates to graphene double-cylinder linkage equipment which comprises a cylinder I (16), a cylinder II (17), a synchronous lifting mechanism and pistons arranged in the two cylinders, wherein the cylinders are connected with the synchronous lifting mechanism; the bottom surfaces of the air cylinder I (16) and the air cylinder II (17) are positioned at the same height; the synchronous lifting mechanism comprises two crankshafts (19) fixed on the same connecting rod and two piston rods (18) respectively connected with the two crankshafts (19), and one ends, far away from the crankshafts (19), of the two piston rods (18) are respectively connected with two pistons located in the cylinder I (16) and the cylinder II (17) and used for pushing the pistons to move upwards. The graphene cylinder linkage equipment disclosed by the invention is low in energy consumption, the required nitrogen or inert gas can be recycled, and the graphene cylinder linkage equipment is green and environment-friendly and cannot pollute the environment; a small amount of combustible gas and air in the boosting cylinder (cylinder II) can be ignited and exploded to generate huge thrust after being compressed, and the boosting cylinder is suitable for large-scale continuous production.
Description
Technical Field
The invention belongs to the technical field of graphene preparation, and relates to graphene double-cylinder linkage equipment.
Background
Graphene is a polymer made of carbon atoms in sp2Hexagonal honeycomb formed by hybrid railsTwo-dimensional carbon nanomaterials in a lattice. Graphene has excellent electrical, optical and mechanical properties, has important application prospects in the aspects of materials science, micro-nano processing, energy, biomedicine, drug delivery and the like, is considered to be a revolutionary material in the future, and how to prepare high-quality and high-yield graphene becomes the most popular research topic in the field. At present, enterprises which are vigorously planted in various countries in the world to research and produce graphene are greatly improved, and the improvement of graphene production equipment is not slow. In the production of graphene materials, the Hummers method is commonly used due to relatively good timeliness and safety, but the existing production device has complex processes, complicated operation among the steps, long time consumption, low production efficiency and serious pollution.
Therefore, how to invent a novel graphene preparation device to realize the preparation of high-quality graphene with simple and convenient operation, environmental protection and high efficiency is a problem which needs to be solved urgently at present.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides graphene double-cylinder linkage equipment.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a graphene double-cylinder linkage device comprises a cylinder I, a cylinder II, movable pistons arranged in the two cylinders (namely the cylinder I and the cylinder II) and synchronous lifting mechanisms connected with the pistons in the two cylinders; the sizes of the two cylinders need to meet a certain relation, so that gasoline is detonated in one cylinder to drive the two pistons to move, and an instant high negative pressure environment can be generated in the other cylinder, wherein the instant high negative pressure environment is an environment with the vacuum degree reaching-0.090-0.099 MPa within 0.1-1.0 s.
As a preferred technical scheme:
according to the graphene double-cylinder linkage equipment, the synchronous lifting mechanism comprises two crankshafts fixed on the same connecting rod and two piston rods connected with the two crankshafts respectively, and one ends, far away from the crankshafts, of the two piston rods are connected with two pistons located in the cylinder I and the cylinder II respectively and used for pushing the pistons to move up and down in the cylinder I and the cylinder II.
According to the graphene double-cylinder linkage equipment, the height and the volume of the cylinder I and the cylinder II are equal, and the bottom surfaces of the cylinder I and the cylinder II are located at the same height; the two piston rods are completely identical, and the bottoms of the two piston rods are positioned at the same height; the strokes of the two piston rods are synchronized to minimize energy loss.
The graphene double-cylinder linkage equipment further comprises an electromagnet clutch and a speed reducing motor which are fixedly arranged on a connecting rod of the synchronous lifting mechanism; the motion of the synchronous lifting mechanism is realized by closing and opening the electromagnet clutch, and when the electromagnet clutch is closed, the left end connecting rod is driven to rotate, and the piston rod is pushed to lift through the crankshaft; when the electromagnet clutch is disconnected, the connecting rod connected with the crankshaft stops rotating; the speed reducing motor can improve output torque while reducing speed, and provides larger force when the piston rod is lifted.
As above a graphite alkene double-cylinder aggregate unit, still including be used for placing graphite powder and with the lower feed cylinder of nitrogen gas primary mixed, a magnetic metering pump for making the mixing chamber that graphite powder and nitrogen gas mix and being used for carrying the graphite powder ration to the mixing chamber, install solenoid valve I between mixing chamber and the cylinder I through two pipe connection, install nitrogen check valve II on the pipeline, solenoid valve I is used for controlling the switching of pipeline between mixing chamber and the cylinder I, nitrogen check valve II is used for preventing nitrogen gas refluence to cylinder I in the mixing chamber, be equipped with between lower feed cylinder and the magnetic metering pump and be used for more changing down the feed cylinder, the ball valve of control graphite powder flow and be used for preventing nitrogen gas refluence to the nitrogen check valve I of feed cylinder in the mixing chamber.
As above a graphite alkene double-cylinder aggregate unit, still include the graphite alkene recovery unit who links to each other through pipeline and cylinder I, be equipped with solenoid valve IV in the position that the pipeline is close to cylinder I, the position of keeping away from cylinder I at the pipeline is equipped with nitrogen check valve III and quick-operation joint, solenoid valve IV is used for controlling the switching of pipeline between cylinder I and the graphite alkene recovery unit, nitrogen check valve III is used for preventing nitrogen gas refluence to cylinder I in the graphite alkene recovery unit, quick-operation joint is used for quick replacement graphite alkene recovery unit, the quick-operation joint below is graphite alkene recovery unit, treat that fill with the result in the graphite alkene recovery unit after, the accessible quick-operation joint is direct, change graphite alkene recovery unit high-efficiently.
According to the graphene double-cylinder linkage equipment, the mixing chamber and the graphene recovery device are stainless steel containers.
According to the graphene double-cylinder linkage equipment, the top of the mixing chamber is provided with the vacuum valve II for vacuumizing the mixing chamber and the nitrogen injection valve II for keeping the air pressure in the mixing chamber balanced, the outer side of the bottom of the mixing chamber is provided with the gas circulating pump for fully mixing graphite powder and nitrogen, and the gas circulating pump is communicated with the mixing chamber through the stainless steel pipe.
The graphene double-cylinder linkage equipment further comprises an atomizing chamber connected with the air cylinder II through a pipeline and an oil tank connected with the atomizing chamber through a pipeline, wherein gasoline is stored in the oil tank and atomized in the atomizing chamber; install solenoid valve III on the pipeline between cylinder II and the atomizer chamber, install solenoid valve II on the pipeline between atomizer chamber and the oil tank, solenoid valve III is used for controlling the switching of the pipeline between cylinder II and the atomizer chamber, and solenoid valve II is used for controlling the switching of the pipeline between atomizer chamber and the oil tank.
And the top of the cylinder II is provided with a spark plug for generating sparks by using high-voltage electricity to ignite the compressed mixed gas in the cylinder II and an exhaust valve for exhausting the blasted waste gas in the cylinder II.
According to the graphene double-cylinder linkage equipment, the top of the lower charging barrel is provided with the vacuum valve I for vacuumizing the lower charging barrel and the nitrogen injection valve I for balancing the air pressure in the lower charging barrel to normal pressure, and the outer wall of the lower charging barrel is provided with the eccentric motor for vibrating the lower charging barrel so that graphite powder in the lower charging barrel is uniformly delivered to a pipeline;
the feeding barrel is further connected with a hopper located above the feeding barrel through a pipeline, graphite powder is put into the feeding barrel from the hopper, and a feeding valve is installed on the pipeline between the feeding barrel and the hopper and used for controlling the graphite powder to be put into the feeding barrel from the hopper.
In order to play the corresponding function, the electromagnet clutch, the spark plug and all the electromagnetic valves are controlled by the relay to open and close, all the vacuum valves in the invention are connected to the vacuum pump at the terminal, all the nitrogen injection valves in the invention are connected to the nitrogen pump at the terminal, and the nitrogen check valve in the invention can automatically open and close by the flowing of the medium and belongs to an automatic valve.
According to the graphene double-cylinder linkage equipment, a small amount of atomized gasoline and air in the power-assisted cylinder (cylinder II) can be ignited and exploded to generate huge thrust after being compressed, and the piston in the stripping cylinder (cylinder I) is driven to rapidly move downwards through the synchronous lifting mechanism to form a high negative pressure environment, so that graphite is stripped to prepare graphene; the whole set of equipment basically realizes electric automation, and manual operation is reduced to the greatest extent; the feeding barrel and the recovery container are provided with adapter connectors, so that continuous production can be realized, and the use efficiency is improved. The energy generated by gasoline explosion is mainly used as power in the whole preparation process, the amount of gasoline required by each explosion is very small, only a small amount of carbon dioxide is discharged after the explosion, and the required nitrogen or inert gas can be recycled, so that the preparation method conforms to the concept of green environmental protection; the method for producing graphene in large scale in the prior art mainly comprises a Chemical Vapor Deposition (CVD) method and a graphite oxide reduction method, wherein chemical reactions occur in the processes, the graphene is prepared by adopting the double-cylinder linkage equipment and utilizing a negative pressure blasting method, no chemical reaction occurs in the process of stripping graphite into graphene, and the prepared graphene keeps a complete structure.
Compared with the single-cylinder equipment in the prior art, the double-cylinder linkage equipment has the main advantages of low energy consumption, large energy generation by only a small amount of gasoline atomization, and the single-cylinder equipment which generates the same energy needs a large amount of mechanical energy for driving.
Has the advantages that:
(1) according to the graphene double-cylinder linkage equipment, automatic control is basically achieved in the graphene preparation process, and the operation is simple;
(2) the graphene double-cylinder linkage equipment disclosed by the invention is low in required energy consumption and less in pollution, and accords with the green environmental protection concept;
(3) according to the graphene double-cylinder linkage equipment, the feeding device and the recovery device can be replaced quickly, and the efficiency is higher;
(4) according to the graphene double-cylinder linkage equipment, the stripping process of graphene is free of chemical reaction, and the product quality and the yield are high.
Drawings
FIG. 1 is a schematic view of a graphene double-cylinder linkage device according to the present invention;
wherein, 1-hopper, 2-feed valve, 3-vacuum valve I, 4-nitrogen gas injection valve I, 5-charging barrel, 6-eccentric motor, 7-ball valve, 8-nitrogen gas check valve I, 9-magnetic force metering pump, 10-mixing chamber, 11-gas circulating pump, 12-vacuum valve II, 13-nitrogen gas injection valve II, 14-electromagnetic valve I, 15-nitrogen gas check valve II, 16-cylinder I, 17-cylinder II, 18-piston rod, 19-crankshaft, 20-electromagnet clutch, 21-speed reducing motor, 22-spark plug, 23-exhaust valve, 24-oil tank, 25-electromagnetic valve II, 26-atomizing chamber, 27-electromagnetic valve III, 28-electromagnetic valve IV, 29-nitrogen gas check valve III, 30-quick-operation joint, 31-graphite alkene recovery unit.
Detailed Description
The invention will be further illustrated with reference to specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
A graphene double-cylinder linkage device is shown in figure 1 and comprises a cylinder I16, a cylinder II 17, pistons arranged in the two cylinders, a synchronous lifting mechanism and an electromagnet clutch 20 connected with the synchronous lifting mechanism; the height and the volume of the air cylinder I16 and the air cylinder II 17 are equal, and the bottom surfaces are positioned at the same height; the two piston rods 18 are completely identical and have the bottoms at the same height; the synchronous lifting mechanism comprises two crankshafts 19 fixed on the same connecting rod and two piston rods 18 respectively connected with the two crankshafts 19, and one ends of the two piston rods 18, which are far away from the crankshafts 19, are respectively connected with two pistons positioned in the air cylinder I16 and the air cylinder II 17 and used for pushing the pistons to move up and down; the electromagnet clutch 20 and the speed reducing motor 21 are fixedly arranged on a connecting rod of the synchronous lifting mechanism, and the synchronous lifting mechanism moves by closing and opening the electromagnet clutch;
the device also comprises a discharging barrel 5 used for placing graphite powder and preliminarily mixing with nitrogen, a mixing chamber 10 used for mixing the graphite powder with the nitrogen, a magnetometer metering pump 9 used for quantitatively conveying the graphite powder to the mixing chamber 10, a graphene recovery device 31 connected with the cylinder I16 through a pipeline, an atomizing chamber 26 connected with the cylinder II 17 through a pipeline, and an oil tank 24 connected with the atomizing chamber 26 through a pipeline; the top of the lower charging barrel 5 is provided with a vacuum valve I3 for vacuumizing the lower charging barrel 5 and a nitrogen injection valve I4 for keeping the air pressure in the lower charging barrel 5 balanced, and the outer wall of the lower charging barrel 5 is provided with an eccentric motor 6; the feeding barrel 5 is also connected with the hopper 1 positioned above the feeding barrel through a pipeline, and a feeding valve 2 is arranged on the pipeline between the feeding barrel 5 and the hopper 1; the mixing chamber 10 is connected with the cylinder I16 through two pipelines, one pipeline is provided with an electromagnetic valve I14, the other pipeline is provided with a nitrogen check valve II 15, the electromagnetic valve I14 is used for controlling the opening and closing of the pipeline between the mixing chamber 10 and the cylinder I16, the nitrogen check valve II 15 is used for preventing nitrogen in the mixing chamber 10 from flowing back to the cylinder I16, a ball valve 7 used for replacing the lower charging barrel 5 and controlling the flow of graphite powder and a nitrogen check valve I8 used for preventing nitrogen in the mixing chamber 10 from flowing back to the lower charging barrel 5 are arranged between the lower charging barrel 5 and the magnetometer pump 9; the top of the mixing chamber 10 is provided with a vacuum valve II 12 for vacuumizing the mixing chamber 10 and a nitrogen injection valve II 13 for keeping the air pressure in the mixing chamber 10 balanced, the outer side of the bottom of the mixing chamber 10 is provided with a gas circulating pump 11 for fully mixing graphite powder and nitrogen, and the gas circulating pump 11 is communicated with the mixing chamber 10 through a stainless steel pipe; an electromagnetic valve IV 28 is arranged on a pipeline between the air cylinder I16 and the graphene recovery device 31 at a position close to the air cylinder I16, a nitrogen check valve III 29 and a quick connector 30 are arranged at a position far away from the air cylinder I16, the electromagnetic valve IV 28 is used for controlling the opening and closing of the pipeline between the air cylinder I16 and the graphene recovery device 31, the nitrogen check valve III 29 is used for preventing nitrogen in the graphene recovery device 31 from flowing back to the air cylinder I16, and the quick connector 30 is used for quickly replacing the graphene recovery device 31; the mixing chamber 10 and the graphene recovery device 31 are both stainless steel containers; an electromagnetic valve III 27 is installed on a pipeline between the air cylinder II 17 and the atomizing chamber 26, an electromagnetic valve II 25 is installed on a pipeline between the atomizing chamber 26 and the oil tank 24, the electromagnetic valve III 27 is used for controlling the opening and closing of the pipeline between the air cylinder II 17 and the atomizing chamber 26, and the electromagnetic valve II 25 is used for controlling the opening and closing of the pipeline between the atomizing chamber 26 and the oil tank 24; and an ignition plug 22 for igniting the compressed mixed gas in the cylinder II 17 and an exhaust valve 23 for exhausting the blasted waste gas in the cylinder II 17 are arranged at the top of the cylinder II 17.
The use method of the graphene double-cylinder linkage equipment comprises the following steps:
1. opening the feed valve 2, closing all other valves at the same time, adding graphite powder from the hopper 1, and closing the feed valve 2 after the graphite powder is added to a fixed quantity;
2. opening the vacuum valve I3, and pumping the interior of the charging barrel 5 into a vacuum environment; closing the vacuum valve I3, opening the nitrogen injection valve I4, filling nitrogen into the charging barrel 5 to normal pressure, and closing the nitrogen injection valve I4;
3. opening an electromagnetic valve I14 to communicate the mixing chamber 10 with an air cylinder I16; opening a vacuum valve II 12, and vacuumizing the communicated environment; closing the vacuum valve II 12, opening the nitrogen injection valve II 13, filling nitrogen into the mixing chamber 10 and the air cylinder I16 to normal pressure, closing the nitrogen injection valve II 13, and closing the electromagnetic valve I14;
4. starting an eccentric motor 6, opening a ball valve 7, and conveying graphite powder to a mixing chamber 10 by using a magnetic metering pump 9; opening the gas circulating pump 11 to fully and uniformly mix the graphite powder and the nitrogen;
5. opening the electromagnetic valve I14 to enable the mixture of the graphite powder and the nitrogen to flow into the cylinder I16, and closing the electromagnetic valve I14 after a certain amount of mixture flows into the cylinder I;
6. opening the electromagnetic valve II 25, and sending the gasoline in the oil tank 24 to the atomizing chamber 26 for atomization; closing the electromagnetic valve II 25, opening the electromagnetic valve III 27, introducing atomized gasoline into the air cylinder II 17, and closing the electromagnetic valve III 27;
7. a speed reducing motor 21 is started, an electromagnet clutch 20 is closed, a connecting rod is pushed upwards, and nitrogen in the air cylinder I16 is introduced into the mixing chamber 10 through a nitrogen check valve II 15; the atomized gasoline and the air in the cylinder II 17 are compressed; the electromagnet clutch 20 is released;
8. when the electromagnet clutch 20 is loosened, the spark plug 22 is ignited, mixed gas in the air cylinder II 17 explodes to generate huge thrust, the huge thrust is transmitted to the air cylinder I16 through the crankshaft 19 and the piston rod 18, the piston rod 18 connected with the air cylinder I16 is pulled to rapidly move downwards to form high negative pressure, and graphite powder is prepared into graphene;
9. and opening an electromagnetic valve IV 28, opening an exhaust valve 23, closing a clutch 20, pushing a piston rod 18 upwards, conveying graphene in the cylinder I16 to a graphene recovery device 31, and discharging waste gas in the cylinder II 17.
Claims (10)
1. The utility model provides a graphite alkene double-cylinder aggregate unit which characterized by: the device comprises a cylinder I (16), a cylinder II (17), pistons arranged in the two cylinders and a synchronous lifting mechanism connected with the pistons in the two cylinders.
2. The graphene double-cylinder linkage device according to claim 1, wherein the synchronous lifting mechanism comprises two crankshafts (19) fixed on the same connecting rod and two piston rods (18) respectively connected with the two crankshafts (19), and one ends of the two piston rods (18) far away from the crankshafts (19) are respectively connected with two pistons located in a cylinder I (16) and a cylinder II (17) and used for driving the pistons to move up and down.
3. The graphene double-cylinder linkage equipment according to claim 2, wherein the height and the volume of the cylinder I (16) and the cylinder II (17) are equal, and the bottom surfaces are located at the same height; the two piston rods (18) are identical and have the bottoms at the same height.
4. The graphene double-cylinder linkage device according to claim 1, further comprising an electromagnet clutch (20) and a speed reduction motor (21) which are fixedly installed on a connecting rod of the synchronous lifting mechanism.
5. The graphene double-cylinder linkage equipment according to claim 1, further comprising a discharging cylinder (5) for placing graphite powder and preliminarily mixing with nitrogen, a mixing chamber (10) for mixing the graphite powder with the nitrogen and a magnetometer pump (9) for quantitatively conveying the graphite powder to the mixing chamber (10), wherein the mixing chamber (10) is connected with a cylinder I (16) through two pipelines, one pipeline is provided with an electromagnetic valve I (14), the other pipeline is provided with a nitrogen check valve II (15), the electromagnetic valve I (14) is used for controlling the opening and closing of the pipeline between the mixing chamber (10) and the cylinder I (16), the nitrogen check valve II (15) is used for preventing nitrogen in the mixing chamber magnetometer (10) from flowing back to the cylinder I (16), a ball valve (7) for replacing the discharging cylinder (5) and controlling the flow of the graphite powder is arranged between the discharging cylinder (5) and the metering pump (9), and a ball valve (7) for preventing nitrogen in the mixing chamber (10) from flowing back to the discharging cylinder (5) The nitrogen check valve I (8).
6. The graphene double-cylinder linkage equipment according to claim 5, further comprising a graphene recovery device (31) connected with the cylinder I (16) through a pipeline, wherein an electromagnetic valve IV (28) is arranged at a position, close to the cylinder I (16), of the pipeline, a nitrogen check valve III (29) and a quick connector (30) are arranged at a position, far away from the cylinder I (16), of the pipeline, the electromagnetic valve IV (28) is used for controlling opening and closing of the pipeline between the cylinder I (16) and the graphene recovery device (31), the nitrogen check valve III (29) is used for preventing nitrogen in the graphene recovery device (31) from flowing back to the cylinder I (16), and the quick connector (30) is used for quickly replacing the graphene recovery device (31).
7. The graphene double-cylinder linkage equipment according to claim 6, wherein the mixing chamber (10) and the graphene recovery device (31) are stainless steel containers.
8. The graphene double-cylinder linkage equipment according to claim 7, characterized in that a vacuum valve II (12) for vacuumizing the mixing chamber (10) and a nitrogen injection valve II (13) for keeping air pressure balance in the mixing chamber (10) are arranged at the top of the mixing chamber (10), a gas circulation pump (11) for fully mixing graphite powder and nitrogen is installed on the outer side of the bottom of the mixing chamber (10), and the gas circulation pump (11) is communicated with the mixing chamber (10) through a stainless steel pipe.
9. The graphene double-cylinder linkage equipment according to claim 1, further comprising an atomization chamber (26) connected with the cylinder II (17) through a pipeline and an oil tank (24) connected with the atomization chamber (26) through a pipeline; an electromagnetic valve III (27) is installed on a pipeline between the air cylinder II (17) and the atomizing chamber (26), an electromagnetic valve II (25) is installed on a pipeline between the atomizing chamber (26) and the oil tank (24), the electromagnetic valve III (27) is used for controlling opening and closing of the pipeline between the air cylinder II (17) and the atomizing chamber (26), and the electromagnetic valve II (25) is used for controlling opening and closing of the pipeline between the atomizing chamber (26) and the oil tank (24).
And the top of the cylinder II (17) is provided with a spark plug (22) for igniting the compressed mixed gas in the cylinder II (17) and an exhaust valve (23) for discharging the waste gas after explosion in the cylinder II (17).
10. The graphene double-cylinder linkage equipment according to claim 5, characterized in that a vacuum valve I (3) for vacuumizing the lower charging barrel (5) and a nitrogen injection valve I (4) for keeping air pressure balance in the lower charging barrel (5) are arranged at the top of the lower charging barrel (5), and an eccentric motor (6) is installed on the outer wall of the lower charging barrel (5);
the feeding barrel (5) is also connected with the hopper (1) positioned above the feeding barrel through a pipeline, and a feeding valve (2) is arranged on the pipeline between the feeding barrel (5) and the hopper (1).
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| CN202010941554.7A CN112010293A (en) | 2020-09-09 | 2020-09-09 | Graphene double-cylinder linkage equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010941554.7A CN112010293A (en) | 2020-09-09 | 2020-09-09 | Graphene double-cylinder linkage equipment |
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| MX2018006948A (en) * | 2018-06-07 | 2019-12-09 | Secretaria De Educacion Publica Tecnologico Nac De Mexico | Graphene nanoplatelets obtaining process through the steam explosion and ultrasonic exfoliation technique. |
| CN110668433A (en) * | 2019-11-25 | 2020-01-10 | 陕西师范大学 | Method for preparing graphite/graphene composite material by supercritical carbon dioxide fluid and application |
| CN210656168U (en) * | 2019-09-02 | 2020-06-02 | 石墨烯科技有限公司 | Equipment for producing thin graphene on large scale |
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2020
- 2020-09-09 CN CN202010941554.7A patent/CN112010293A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100044646A1 (en) * | 2008-08-25 | 2010-02-25 | Aruna Zhamu | Supercritical fluid process for producing nano graphene platelets |
| US20110311432A1 (en) * | 2010-06-18 | 2011-12-22 | Nen-Wen Pu | Method for manufacturing graphene |
| CN102491313A (en) * | 2011-11-24 | 2012-06-13 | 中国科学院化学研究所 | Preparation device for graphene |
| MX2018006948A (en) * | 2018-06-07 | 2019-12-09 | Secretaria De Educacion Publica Tecnologico Nac De Mexico | Graphene nanoplatelets obtaining process through the steam explosion and ultrasonic exfoliation technique. |
| CN108706576A (en) * | 2018-08-10 | 2018-10-26 | 恒力盛泰（厦门）石墨烯科技有限公司 | A kind of two level temperature control pneumatic process prepares graphene powder method and apparatus |
| CN210656168U (en) * | 2019-09-02 | 2020-06-02 | 石墨烯科技有限公司 | Equipment for producing thin graphene on large scale |
| CN110668433A (en) * | 2019-11-25 | 2020-01-10 | 陕西师范大学 | Method for preparing graphite/graphene composite material by supercritical carbon dioxide fluid and application |
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