CN114146662A - Preparation method of hydrogen storage material - Google Patents
Preparation method of hydrogen storage material Download PDFInfo
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- CN114146662A CN114146662A CN202111415902.8A CN202111415902A CN114146662A CN 114146662 A CN114146662 A CN 114146662A CN 202111415902 A CN202111415902 A CN 202111415902A CN 114146662 A CN114146662 A CN 114146662A
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- belt pulley
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 239000001257 hydrogen Substances 0.000 title claims abstract description 27
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 27
- 239000011232 storage material Substances 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 79
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000003756 stirring Methods 0.000 claims abstract description 44
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 24
- 239000002994 raw material Substances 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 16
- 229910002804 graphite Inorganic materials 0.000 abstract 1
- 239000010439 graphite Substances 0.000 abstract 1
- -1 graphite alkene Chemical class 0.000 abstract 1
- 238000005086 pumping Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/20—Stationary reactors having moving elements inside in the form of helices, e.g. screw reactors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/03—Pressure vessels, or vacuum vessels, having closure members or seals specially adapted therefor
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/0005—Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes
- C01B3/001—Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes characterised by the uptaking medium; Treatment thereof
- C01B3/0021—Carbon, e.g. active carbon, carbon nanotubes, fullerenes; Treatment thereof
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Materials Engineering (AREA)
- Nanotechnology (AREA)
- Inorganic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention belongs to the field of hydrogen storage material production, and particularly relates to a preparation method of a hydrogen storage material, which comprises the following steps: s1: putting raw materials such as graphite powder into the interior of the reaction tank body, and then starting a vacuumizing device to vacuumize the interior of the reaction tank body; s2: after the interior of the reaction tank body is vacuumized, starting a heating device to heat the interior of the reaction tank body; s3: starting the rotating assembly to drive the conveying auger and the stirring rod to rotate so as to stir the raw materials in the reaction tank body; s4: after the raw materials in the reaction tank body completely react to form graphene, taking out a finished product; drive through runner assembly and carry auger and puddler to rotate, and then the puddler drives stirring piece pivoted structural design, has realized can so that the internal raw materials of retort function even more, the effectual incomplete problem of reaction when having solved graphite powder and having turned into graphite alkene.
Description
Technical Field
The invention belongs to the field of hydrogen storage material production, and particularly relates to a preparation method of a hydrogen storage material.
Background
Hydrogen storage materials refer to materials that can absorb and release hydrogen gas, and early hydrogen storage materials were mostly metals and alloys capable of storing hydrogen, collectively referred to as hydrogen storage alloys.
Graphene is a novel hydrogen storage material, and hydrogen is stored and released in a molecular form through physical adsorption by utilizing the excellent specific surface area of graphene.
In the prior art, in the process of heating graphite powder and further converting the graphite powder into graphene, incomplete reaction of the graphite powder often occurs, so that the finished product graphene contains impurities, and the purity of the graphene is low.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the problem that the purity of graphene is low due to incomplete reaction of graphite powder in the reaction of converting the graphite powder into the graphene, the invention provides the preparation method of the hydrogen storage material.
The technical scheme adopted by the invention for solving the technical problems is as follows: the production method of the hydrogen storage material comprises the following steps:
s1: putting raw materials such as graphite powder into the interior of the reaction tank body, and then starting a vacuumizing device to vacuumize the interior of the reaction tank body;
s2: after the interior of the reaction tank body is vacuumized, starting a heating device to heat the interior of the reaction tank body;
s3: starting the rotating assembly to drive the conveying auger and the stirring rod to rotate so as to stir the raw materials in the reaction tank body;
s4: and after the raw materials in the reaction tank body completely react to form graphene, taking out a finished product.
Preferably, the top of the reaction tank body is provided with a rotating assembly; the bottom of the rotating assembly is provided with a conveying auger and a stirring rod; the side wall of the stirring rod is fixedly connected with a stirring sheet; the bottom of the reaction tank body is provided with a heating device; a vacuumizing device is arranged on the side wall of the reaction tank body; an exhaust pipe is fixedly connected with the output end of the vacuumizing device; the exhaust pipe is fixedly connected and communicated with the reaction tank body; a filter screen is arranged at the end part of the exhaust pipe; the problem of incomplete reaction when graphite powder is converted into graphene is effectively solved.
Preferably, the rotating assembly comprises a driving motor, a first rotating shaft, a first driving belt pulley, a second driving belt pulley, a first transmission belt, a second transmission belt, a first driven belt pulley and a second driven belt pulley; the driving motor is arranged at the top of the reaction tank body; the output end of the driving motor is fixedly connected with a first rotating shaft; a first driving belt pulley and a second driving belt pulley are mounted on the first rotating shaft; two sides of the first driving belt pulley are rotatably connected with first driven belt pulleys; the bottom of the first driven belt pulley is fixedly connected with a stirring rod; two sides of the second driving belt pulley are rotatably connected with second driven belt pulleys; the bottom of the second driven belt pulley is fixedly connected with a conveying auger; the first driving belt pulley is connected with the two first driven belt pulleys through a first transmission belt; the second driving belt pulley is connected with the two second driven belt pulleys through a second transmission belt; the raw materials in the reaction tank can be stirred.
Preferably, a second rotating shaft is installed inside the exhaust pipe; the filter screen is fixedly connected to the filter screen frame; the end part of the filter screen frame is fixedly connected with a sliding block; the sliding block is connected inside the reaction tank body in a sliding manner; the two sides of the sliding block are fixedly connected with first springs; the end part of the first spring is fixedly connected to the side wall of the sliding cavity of the sliding block; a spiral impeller is arranged on the second rotating shaft; an eccentric wheel is fixedly connected to the end part of the second rotating shaft; the end part of the eccentric wheel is contacted with the filter screen frame; an elastic dust-blocking sheet is fixedly connected to the position of the reaction tank body corresponding to the sliding block; the barrier of the graphite powder to the filter screen is reduced.
Preferably, a heat conducting block is arranged inside the stirring rod; a heat conducting block is arranged inside the stirring sheet; the possibility that the graphene is not in a regular hexagon shape when the heat inside the reaction tank body is unstable is reduced.
Preferably, a sealing valve plate is hinged inside the exhaust pipe; the end part of the sealing valve plate is contacted with the side wall of the exhaust pipe; a stop sealing block is fixedly connected to the side wall of the exhaust pipe; the stop sealing block is arranged at the position corresponding to the end part of the sealing valve plate; the side wall of the sealing valve plate is contacted with the stopping sealing block; the side wall of the sealing valve plate is fixedly connected with an elastic sheet; the end part of the elastic sheet is fixedly connected to the inner side wall of the exhaust pipe; the waste of the resource by the vacuum pumping device is reduced.
Preferably, the side wall of the reaction tank body is provided with an inclined pushing block; hard bristles are fixedly connected to the side wall of the inclined pushing block; the hard bristles are arranged at the positions corresponding to the filter screen; the barrier of the graphite powder to the filter screen is reduced.
Preferably, the inclined pushing block is connected to the inside of the reaction tank body in a sliding manner; a second spring is fixedly connected between the inclined pushing block and the sliding cavity of the inclined pushing block; the side wall of the oblique pushing block is hinged with a deflection block; a torsional spring is arranged at the hinged position of the deflection block; hard bristles are fixedly connected to the side wall of the deflection block; so that the graphite powder on the side wall of the filter screen is less.
The invention has the following beneficial effects:
1. according to the preparation method of the hydrogen storage material, the conveying auger and the stirring rod are driven to rotate by the rotating assembly, and the stirring rod drives the stirring sheet to rotate, so that the function of enabling the raw materials in the reaction tank body to be more uniform is realized, and the problem of incomplete reaction when graphite powder is converted into graphene is effectively solved.
2. According to the preparation method of the hydrogen storage material, the filter screen frame is driven to rock through the rotation of the eccentric wheel, and the structure design that the hard bristles are arranged at the positions corresponding to the filter screen is adopted, so that the function of effectively preventing the graphite powder from blocking the filter screen is realized, and the air pumping effect of the vacuum pumping device through the air pumping pipe is better.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a flow chart of a method of making a hydrogen storage material according to the present invention;
FIG. 2 is a perspective view of a reaction vessel in accordance with one embodiment;
FIG. 3 is a front view of a reaction tank according to the first embodiment;
FIG. 4 is an enlarged view at A in FIG. 3;
FIG. 5 is an enlarged view at B in FIG. 3;
FIG. 6 is an enlarged view at C in FIG. 3;
FIG. 7 is an enlarged view at D of FIG. 6;
FIG. 8 is a side view of the angled pusher block of one embodiment;
fig. 9 is a schematic structural view of the ball according to the second embodiment.
In the figure: 1. a reaction tank body; 2. a drive motor; 3. a first rotating shaft; 4. a first drive pulley; 5. a second drive pulley; 6. a first drive belt; 7. a second drive belt; 8. a first driven pulley; 9. a second driven pulley; 10. conveying the auger; 11. a stirring rod; 12. a stirring sheet; 13. a heating device; 14. a vacuum pumping device; 15. an exhaust pipe; 16. a filter screen; 17. a screen frame; 18. a slider; 19. a first spring; 20. a helical impeller; 21. a second rotating shaft; 22. an eccentric wheel; 23. an elastic dust-blocking sheet; 24. a heat conducting block; 25. a sealing valve plate; 26. a stop seal block; 27. a spring plate; 28. an oblique pushing block; 29. hard bristles; 30. a second spring; 31. a deflection block; 32. and a ball.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The first embodiment is as follows:
as shown in fig. 1 to 8, the method for preparing a hydrogen storage material according to the present invention is characterized in that: the production method of the hydrogen storage material comprises the following steps:
s1: putting raw materials such as graphite powder into the interior of the reaction tank body, and then starting a vacuumizing device to vacuumize the interior of the reaction tank body;
s2: after the interior of the reaction tank body is vacuumized, starting a heating device to heat the interior of the reaction tank body;
s3: starting the rotating assembly to drive the conveying auger and the stirring rod to rotate so as to stir the raw materials in the reaction tank body;
s4: and after the raw materials in the reaction tank body completely react to form graphene, taking out a finished product.
The top of the reaction tank body 1 is provided with a rotating assembly; the bottom of the rotating component is provided with a conveying auger 10 and a stirring rod 11; the side wall of the stirring rod 11 is fixedly connected with a stirring sheet 12; the bottom of the reaction tank body 1 is provided with a heating device 13; a vacuumizing device 14 is arranged on the side wall of the reaction tank body 1; an exhaust pipe 15 is fixedly connected to the output end of the vacuumizing device 14; the exhaust pipe 15 is fixedly connected and communicated with the reaction tank body 1; a filter screen 16 is arranged at the end part of the exhaust pipe 15; when the reactor works, when graphene needs to be prepared, graphite powder can be added into the reactor body 1, the vacuumizing device 14 is further started, air in the reactor body 1 is pumped out through the exhaust pipe 15, so that a vacuum environment is formed in the reactor body 1, the heating device 13 is further started, the interior of the reactor body 1 is heated, the graphite powder is converted into the graphene, the rotating assembly can be driven, the rotating assembly drives the conveying auger 10 and the stirring rod 11 to rotate, raw materials and the like in the reactor body 1 can be conveyed upwards through the rotation of the conveying auger 10, the stirring rod 11 can drive the stirring sheet 12 to rotate to stir the raw materials, the raw materials and the like in the reactor body 1 are further mixed more uniformly, the conversion reaction in the reactor body 1 is further uniform, and the effect of converting the graphite powder into the graphene is better, the problem of incomplete reaction when graphite powder is converted into graphene is effectively solved.
The rotating assembly comprises a driving motor 2, a first rotating shaft 3, a first driving belt pulley 4, a second driving belt pulley 5, a first transmission belt 6, a second transmission belt 7, a first driven belt pulley 8 and a second driven belt pulley 9; the driving motor 2 is arranged at the top of the reaction tank body 1; the output end of the driving motor 2 is fixedly connected with a first rotating shaft 3; a first driving belt pulley 4 and a second driving belt pulley 5 are mounted on the first rotating shaft 3; both sides of the first driving belt pulley 4 are rotatably connected with first driven belt pulleys 8; the bottom of the first driven belt pulley 8 is fixedly connected with a stirring rod 11; both sides of the second driving belt pulley 5 are rotatably connected with second driven belt pulleys 9; the bottom of the second driven belt pulley 9 is fixedly connected with a conveying auger 10; the first driving belt pulley 4 is connected with two first driven belt pulleys 8 through a first transmission belt 6; the second driving belt pulley 5 is connected with two second driven belt pulleys 9 through a second transmission belt 7; when the reactor works, when the interior of the reactor tank body 1 needs to be stirred, the driving motor 2 can be started, and then the first driving belt pulley 4 and the second driving belt pulley 5 respectively drive the first driven belt pulley 8 and the second driven belt pulley 9 to rotate through the first transmission belt 6 and the second transmission belt 7, so that the first driven belt pulley 8 and the second driven belt pulley 9 can drive the conveying auger 10 and the stirring rod 11 to rotate, and further, the raw materials in the reactor tank body 1 can be stirred.
A second rotating shaft 21 is arranged in the exhaust pipe 15; the filter screen 16 is fixedly connected to a filter screen frame 17; the end part of the filter screen frame 17 is fixedly connected with a sliding block 18; the sliding block 18 is connected inside the reaction tank body 1 in a sliding manner; two sides of the sliding block 18 are fixedly connected with first springs 19; the end part of the first spring 19 is fixedly connected to the side wall of the sliding cavity of the sliding block 18; the second rotating shaft 21 is provided with a spiral impeller 20; an eccentric wheel 22 is fixedly connected to the end part of the second rotating shaft 21; the end of the eccentric wheel 22 is in contact with the screen frame 17; an elastic dust-blocking sheet 23 is fixedly connected to the position of the reaction tank body 1 corresponding to the sliding block 18; when the reactor works, when the inside of the reactor tank body 1 is vacuumized by the exhaust pipe 15, the air inside the exhaust pipe 15 can drive the spiral impeller 20 to rotate, and further drive the eccentric wheel 22 to rotate through the second rotating shaft 21, so as to beat the filter screen frame 17, so that the filter screen frame 17 drives the sliding block 18 to slide inside the sliding cavity, and further graphite powder adsorbed on the surface of the filter screen 16 can be shaken down, and the blockage of the graphite powder to the filter screen 16 is reduced.
A heat conducting block 24 is arranged inside the stirring rod 11; a heat conducting block 24 is arranged inside the stirring sheet 12; when the reactor works, when the heating device 13 heats the inside of the reactor tank body 1, the stirring sheet 12 can absorb the generated heat, so that the temperature inside the reactor tank body 1 is more stable, and the possibility that graphene is not in a regular hexagon due to unstable heat inside the reactor tank body 1 is reduced.
A sealing valve plate 25 is hinged inside the exhaust pipe 15; the end part of the sealing valve plate 25 is contacted with the side wall of the exhaust pipe 15; a stop sealing block 26 is fixedly connected to the side wall of the exhaust pipe 15; the stop seal block 26 is provided at a position corresponding to the end of the seal valve plate 25; the side wall of the sealing valve plate 25 is contacted with a stop sealing block 26; the side wall of the sealing valve plate 25 is fixedly connected with an elastic sheet 27; the end part of the elastic sheet 27 is fixedly connected to the inner side wall of the exhaust pipe 15; when the vacuum extractor 14 is started to extract air in the reaction tank body 1 through the exhaust pipe 15 during operation, the sealing valve plate 25 can be driven to deflect, so that the air in the reaction tank body 1 can be extracted, after the interior of the reaction tank body 1 is in a vacuum environment, the sealing valve plate 25 can be pressed on the stop sealing block 26 through air pressure to block the exhaust pipe 15, so that the interior of the reaction tank body 1 can be kept in a vacuum state, meanwhile, the vacuum extractor 14 can be closed, and the waste of resources caused by the vacuum extractor 14 is reduced.
An inclined pushing block 28 is arranged on the side wall of the reaction tank body 1; the side wall of the inclined pushing block 28 is fixedly connected with hard bristles 29; the hard bristles 29 are arranged at positions corresponding to the filter screen 16; in operation, when the filter screen 16 shakes, the hard bristles 29 can clean and dredge the filter screen 16, so that less graphite powder is on the surface of the filter screen 16, and the blockage of the graphite powder to the filter screen 16 is reduced.
The inclined pushing block 28 is connected inside the reaction tank body 1 in a sliding manner; a second spring 30 is fixedly connected between the inclined pushing block 28 and the sliding cavity of the inclined pushing block 28; the side wall of the inclined pushing block 28 is hinged with a deflection block 31; a torsion spring is arranged at the hinged position of the deflection block 31; the side wall of the deflection block 31 is fixedly connected with hard bristles 29; when the eccentric wheel 22 rotates, the eccentric wheel can be in contact with the side wall of the inclined pushing block 28 to further push the inclined pushing block 28, the inclined pushing block 28 retracts into the sliding cavity, the eccentric wheel 22 is in contact with the deflection block 31 to push the deflection block 31 to deflect, the deflection block 31 drives the hard bristles 29 to deflect, the hard bristles 29 block the eccentric wheel 22 less, when the inclined pushing block 28 rebounds, the hard bristles 29 can be poked into the filter screen 16, the interior of the filter screen 16 is dredged and cleaned, and less graphite powder is arranged on the side wall of the filter screen 16.
Example two:
as shown in fig. 9, in a first comparative example, as another embodiment of the present invention, a ball 32 is snap-coupled to a sidewall of the inclined pusher block 28; the balls 32 are arranged at positions corresponding to the eccentric wheel 22; in operation, when the eccentric wheel 22 contacts with the side wall of the inclined pushing block 28 to push the inclined pushing block 28 to slide, the balls 32 can reduce the friction between the eccentric wheel 22 and the inclined pushing block 28, so that the wear between the eccentric wheel 22 and the balls 32 is less.
The working principle is as follows: when the reactor works, when graphene needs to be prepared, graphite powder can be added into the reactor body 1, the vacuumizing device 14 is further started, air in the reactor body 1 is pumped out through the exhaust pipe 15, so that a vacuum environment is formed in the reactor body 1, the heating device 13 is further started, the interior of the reactor body 1 is heated, the graphite powder is converted into the graphene, the rotating assembly can be driven, the rotating assembly drives the conveying auger 10 and the stirring rod 11 to rotate, raw materials and the like in the reactor body 1 can be conveyed upwards through the rotation of the conveying auger 10, the stirring rod 11 can drive the stirring sheet 12 to rotate to stir the raw materials, the raw materials and the like in the reactor body 1 are further mixed more uniformly, the conversion reaction in the reactor body 1 is further uniform, and the effect of converting the graphite powder into the graphene is better, the problem of incomplete reaction when graphite powder is converted into graphene is effectively solved, when the interior of the reaction tank body 1 needs to be stirred, the driving motor 2 can be started, the first driving belt pulley 4 and the second driving belt pulley 5 respectively drive the first driven belt pulley 8 and the second driven belt pulley 9 to rotate through the first transmission belt 6 and the second transmission belt 7, the first driven belt pulley 8 and the second driven belt pulley 9 can further drive the conveying auger 10 and the stirring rod 11 to rotate, the raw materials in the interior of the reaction tank body 1 can be stirred, when the interior of the reaction tank body 1 is vacuumized by the exhaust pipe 15, the air in the exhaust pipe 15 can drive the spiral impeller 20 to rotate, the eccentric wheel 22 is further driven to rotate through the second rotation shaft 21, the filter screen frame 17 is knocked, the filter screen frame 17 drives the sliding block 18 to slide in the sliding cavity, and the graphite powder adsorbed on the surface of the filter screen 16 can be shaken down, the blockage of the graphite powder to the filter screen 16 is reduced, when the heating device 13 heats the inside of the reaction tank body 1, the stirring sheet 12 can absorb the generated heat, so that the temperature inside the reaction tank body 1 is more stable, the possibility that the graphene is not in a regular hexagon shape when the heat inside the reaction tank body 1 is unstable is reduced, when the vacuumizing device 14 is started, and the air inside the reaction tank body 1 is extracted through the vacuumizing pipe 15, the sealing valve plate 25 can be driven to deflect, so that the air inside the reaction tank body 1 can be extracted, when the inside of the reaction tank body 1 is in a vacuum environment, the sealing valve plate 25 can be pressed on the stopping sealing block 26 through air pressure, the vacuumizing pipe 15 is blocked, so that the inside of the reaction tank body 1 can be kept in a vacuum state, and meanwhile, the vacuumizing device 14 can be closed, so that the waste of the vacuumizing device 14 to resources is reduced, when filter screen 16 rocked, stereoplasm brush hair 29 can clear up filter screen 16 and dredge, and then make the graphite powder on filter screen 16 surface still less, and then reduced graphite powder and blockked up filter screen 16, when eccentric wheel 22 rotated, can promote the lateral wall contact of piece 28 with the skew, and then promote the skew and promote piece 28, make the skew promote piece 28 to retract inside the sliding chamber, and then eccentric wheel 22 and deflection piece 31 contact, can push away the deflection with deflection piece 31, and then make deflection piece 31 drive stereoplasm brush hair 29 deflect, and then make stereoplasm brush hair 29 to the blockking of eccentric wheel 22 still less, when the skew promotes piece 28 and kick-backs, can stab the inside of filter screen 16 with stereoplasm brush hair 29, and then dredge the clearance to the inside of filter screen 16, make graphite powder on the lateral wall of filter screen 16 still less.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but 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 scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The preparation method of the hydrogen storage material is characterized by comprising the following steps of:
s1: putting raw materials such as graphite powder into the interior of the reaction tank body, and then starting a vacuumizing device to vacuumize the interior of the reaction tank body;
s2: after the interior of the reaction tank body is vacuumized, starting a heating device to heat the interior of the reaction tank body;
s3: starting the rotating assembly to drive the conveying auger and the stirring rod to rotate so as to stir the raw materials in the reaction tank body;
s4: and after the raw materials in the reaction tank body completely react to form graphene, taking out a finished product.
2. A method for producing a hydrogen storage material according to claim 1, characterized in that: the top of the reaction tank body (1) is provided with a rotating assembly; the bottom of the rotating component is provided with a conveying auger (10) and a stirring rod (11); the side wall of the stirring rod (11) is fixedly connected with a stirring sheet (12); the bottom of the reaction tank body (1) is provided with a heating device (13); a vacuumizing device (14) is arranged on the side wall of the reaction tank body (1); an exhaust pipe (15) is fixedly connected with the output end of the vacuumizing device (14); the exhaust pipe (15) is fixedly connected and communicated with the reaction tank body (1); and a filter screen (16) is arranged at the end part of the exhaust pipe (15).
3. A method for producing a hydrogen storage material according to claim 2, characterized in that: the rotating assembly comprises a driving motor (2), a first rotating shaft (3), a first driving belt pulley (4), a second driving belt pulley (5), a first transmission belt (6), a second transmission belt (7), a first driven belt pulley (8) and a second driven belt pulley (9); the driving motor (2) is arranged at the top of the reaction tank body (1); the output end of the driving motor (2) is fixedly connected with a first rotating shaft (3); a first driving belt pulley (4) and a second driving belt pulley (5) are mounted on the first rotating shaft (3); both sides of the first driving belt pulley (4) are rotatably connected with first driven belt pulleys (8); the bottom of the first driven belt pulley (8) is fixedly connected with a stirring rod (11); both sides of the second driving belt pulley (5) are rotatably connected with second driven belt pulleys (9); the bottom of the second driven belt pulley (9) is fixedly connected with a conveying auger (10); the first driving belt pulley (4) is connected with two first driven belt pulleys (8) through a first transmission belt (6); the second driving belt pulley (5) is connected with two second driven belt pulleys (9) through a second transmission belt (7).
4. A method for producing a hydrogen storage material according to claim 2, characterized in that: a second rotating shaft (21) is arranged in the exhaust pipe (15); the filter screen (16) is fixedly connected to the filter screen frame (17); the end part of the filter screen frame (17) is fixedly connected with a sliding block (18); the sliding block (18) is connected inside the reaction tank body (1) in a sliding manner; two sides of the sliding block (18) are fixedly connected with first springs (19); the end part of the first spring (19) is fixedly connected to the side wall of the sliding cavity of the sliding block (18); a spiral impeller (20) is arranged on the second rotating shaft (21); an eccentric wheel (22) is fixedly connected to the end part of the second rotating shaft (21); the end part of the eccentric wheel (22) is contacted with the filter screen frame (17); an elastic dust-blocking sheet (23) is fixedly connected to the position of the reaction tank body (1) corresponding to the sliding block (18).
5. A method for producing a hydrogen storage material according to claim 2, characterized in that: a heat conducting block (24) is arranged inside the stirring rod (11); and a heat conducting block (24) is arranged in the stirring sheet (12).
6. A method for producing a hydrogen storage material according to claim 2, characterized in that: a sealing valve plate (25) is hinged inside the exhaust pipe (15); the end part of the sealing valve plate (25) is contacted with the side wall of the exhaust pipe (15); a stop sealing block (26) is fixedly connected to the side wall of the exhaust pipe (15); the stop sealing block (26) is arranged at a position corresponding to the end part of the sealing valve plate (25); the side wall of the sealing valve plate (25) is in contact with a stop sealing block (26); the side wall of the sealing valve plate (25) is fixedly connected with an elastic sheet (27); the end part of the elastic sheet (27) is fixedly connected to the inner side wall of the exhaust pipe (15).
7. A method for producing a hydrogen storage material according to claim 2, characterized in that: an inclined pushing block (28) is arranged on the side wall of the reaction tank body (1); hard bristles (29) are fixedly connected to the side wall of the inclined pushing block (28); the hard bristles (29) are arranged at positions corresponding to the filter screen (16).
8. A method for producing a hydrogen storage material according to claim 7, characterized in that: the inclined pushing block (28) is connected to the inside of the reaction tank body (1) in a sliding manner; a second spring (30) is fixedly connected between the inclined pushing block (28) and the sliding cavity of the inclined pushing block (28); a deflection block (31) is hinged on the side wall of the oblique pushing block (28); a torsion spring is arranged at the hinged position of the deflection block (31); the side wall of the deflection block (31) is fixedly connected with hard bristles (29).
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Application publication date: 20220308 |