CN117003543A - Preparation method and device of graphene composite silicon aerogel heat insulation material - Google Patents
Preparation method and device of graphene composite silicon aerogel heat insulation material Download PDFInfo
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- CN117003543A CN117003543A CN202310715504.0A CN202310715504A CN117003543A CN 117003543 A CN117003543 A CN 117003543A CN 202310715504 A CN202310715504 A CN 202310715504A CN 117003543 A CN117003543 A CN 117003543A
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- 239000002131 composite material Substances 0.000 title claims abstract description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 29
- 239000004964 aerogel Substances 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 23
- 239000010703 silicon Substances 0.000 title claims abstract description 23
- 239000012774 insulation material Substances 0.000 title claims abstract description 19
- 238000002156 mixing Methods 0.000 claims abstract description 112
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000003756 stirring Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000012686 silicon precursor Substances 0.000 claims abstract description 8
- 239000000741 silica gel Substances 0.000 claims abstract description 7
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 7
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 claims abstract description 5
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 4
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 4
- 239000000835 fiber Substances 0.000 claims abstract description 4
- 230000003301 hydrolyzing effect Effects 0.000 claims abstract description 4
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 4
- 239000011148 porous material Substances 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims description 20
- -1 graphite alkene Chemical class 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 239000004965 Silica aerogel Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 210000005069 ears Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 abstract description 14
- 239000002994 raw material Substances 0.000 abstract description 12
- 244000309464 bull Species 0.000 description 9
- 125000004122 cyclic group Chemical group 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 230000010355 oscillation Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B30/00—Compositions for artificial stone, not containing binders
- C04B30/02—Compositions for artificial stone, not containing binders containing fibrous materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
-
- 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
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0091—Preparation of aerogels, e.g. xerogels
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Dispersion Chemistry (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a preparation method and a preparation device of a graphene composite silicon aerogel heat insulation material, and relates to the technical field of aerogel preparation; the invention comprises the following steps: step one, methyl orthosilicate, methanol and water are mixed according to a mole ratio of 1:2:3, introducing into a stirring device, then introducing nitric acid until the pH value is 4, uniformly stirring, standing and hydrolyzing to obtain a silicon precursor; uniformly mixing a silicon precursor, absolute ethyl alcohol, water and graphene oxide solution, and then introducing ammonia water until the pH value is 8, so as to obtain silica sol; step three, evenly spraying silica sol into the pores of the fiber felt, so as to obtain a formed graphene-silica gel composite felt; through the setting use of mixing mechanism, can make first mixed board and the synchronous rotation of second mixed board, and first mixed board and second mixed board are crisscross rotation to can carry out quick even mixing with the raw materials of leading-in.
Description
Technical Field
The invention relates to the technical field of aerogel preparation, in particular to a preparation method and device of a graphene composite silicon aerogel heat insulation material.
Background
Graphene is the material with highest strength, best toughness, lightest mass and best conductivity known by human at present, and has very stable structure, so that the graphene can be compounded with other raw materials to produce the graphene composite silicon aerogel heat insulation material.
However, the stirring device used for preparing the graphene composite silicon aerogel heat insulation material has certain defects: the mixing efficiency of the existing stirring device is low, and the mixing uniformity is poor.
In order to solve the problems, the inventor provides a preparation method and a preparation device of a graphene composite silicon aerogel heat insulation material, which are used for solving the problems.
Disclosure of Invention
In order to solve the problems of lower mixing efficiency and poorer mixing uniformity of the existing stirring device; the invention aims to provide a preparation method and a device of a graphene composite silicon aerogel heat insulation material.
In order to solve the technical problems, the invention adopts the following technical scheme: the preparation method of the graphene composite silicon aerogel heat insulation material comprises the following steps:
step one, methyl orthosilicate, methanol and water are mixed according to a mole ratio of 1:2:3, introducing into a stirring device, then introducing nitric acid until the pH value is 4, uniformly stirring, standing and hydrolyzing to obtain a silicon precursor;
uniformly mixing a silicon precursor, absolute ethyl alcohol, water and graphene oxide solution, and then introducing ammonia water until the pH value is 8, so as to obtain silica sol;
step three, evenly spraying silica sol into the pores of the fiber felt, so as to obtain a formed graphene-silica gel composite felt;
and fourthly, drying the graphene-silica gel composite felt at normal pressure to obtain the graphene composite silica aerogel heat insulation felt.
The utility model provides a preparation facilities of compound silicon aerogel heat insulating material of graphite alkene, including agitating unit, agitating unit includes mounting plate, mounting plate's top slidable mounting has T type mounting panel, mounting plate's top one side fixed mounting has the direction slide rail, and the direction slide rail is gone up to slide and has been cup jointed the direction slider, T type mounting panel fixed mounting is kept away from mounting plate's one side at the direction slider, and be equipped with circulation mechanism on the T type mounting panel, be equipped with the reciprocating mechanism who uses with circulation mechanism cooperation on mounting plate and the T type mounting panel, and fixed mounting has U type support on the circulation mechanism, U type support is kept away from mounting plate's one end fixed mounting has the blending tank body, the top intercommunication of the blending tank body is equipped with the charge-in pipeline of array distribution, and the bottom intercommunication of the blending tank body is equipped with the ejection of compact pipeline, fixed mounting has control valve on the ejection of compact pipeline, and be equipped with mixing mechanism in the inner chamber of the blending tank body.
Preferably, circulation mechanism includes first servo motor and side joint riser, first servo motor fixed mounting is in one side upper end of T type mounting panel, top one side fixed mounting of T type mounting panel has the side joint diaphragm, and the bottom fixed mounting of side joint diaphragm has a fixed bolster, first servo motor and fixed bolster fixed connection, and the first bull stick of terminal fixedly connected with of first servo motor output, first bull stick rotates and inserts and establish on the T type mounting panel, and the terminal fixedly connected with drive revolving plate of first bull stick, the one end that first bull stick was kept away from to the drive revolving plate runs through and has offered the slip perforation, side joint riser fixed mounting is in one side upper end that the T type mounting panel kept away from first servo motor, and the side joint riser is symmetrical structure, two one ends that the side joint riser kept away from the T type mounting panel rotate and are inserted and are equipped with the second bull stick, and rotate on the second bull stick and cup joint connection revolving block, one side fixed mounting of connection revolving block has the circulation revolving plate, and the other side fixed mounting of connection revolving block has the rotation side ear that the symmetry set up, and two rotation side ears keep away from one side of installation revolving block and drive the fixed connection has a drive sleeve-ring, drive movable sleeve-ring has, drive movable sleeve-ring fixedly connected on the outer wall of drive sleeve.
Preferably, the reciprocating mechanism comprises a third rotating rod and a fourth rotating rod, the third rotating rod is rotatably mounted on the T-shaped mounting plate, a lateral joint rotating seat is fixedly mounted on the T-shaped mounting plate, the third rotating rod is rotatably inserted on the lateral joint rotating seat, the top end of the third rotating rod is fixedly connected with a first bevel gear, one end of the first rotating rod, which is close to the first servo motor, is fixedly sleeved with a second bevel gear, the second bevel gear is meshed with the first bevel gear, the bottom end of the third rotating rod is fixedly connected with a half bevel gear, the fourth rotating rod is rotatably inserted at the lower end of the T-shaped mounting plate, the fourth rotating rod is fixedly sleeved with a third bevel gear and a fourth bevel gear, the third bevel gear and the fourth bevel gear can be meshed with the half bevel gear, one end, which is far away from the third bevel gear, of the fourth rotating rod is fixedly sleeved with a rolling gear, one side, which is close to the T-shaped mounting plate, of the mounting plate is fixedly provided with a rolling rack, and the rolling gear is meshed with the rolling rack.
Preferably, the mixing mechanism comprises a second servo motor, a first mixing rod and a second mixing rod, wherein the second servo motor is fixedly arranged at the top end of the mixing tank body, the top end of the mixing tank body is fixedly provided with vertical supporting rods which are symmetrically distributed, the top end of each vertical supporting rod is fixedly provided with a fixing clamping seat, the second servo motor is fixedly inserted into each fixing clamping seat, the tail end of the output end of the second servo motor is fixedly sleeved with a first synchronous wheel, the first mixing rod and the second mixing rod are all rotatably inserted on the mixing tank body, the top end of the first mixing rod is fixedly sleeved with a second synchronous wheel, the top end of the second mixing rod is fixedly sleeved with a third synchronous wheel, the second synchronous wheel and the outer side of the first synchronous wheel are in meshed sleeve joint, the first mixing rod is fixedly sleeved with two first mixing plates which are distributed in an array, the outer side of the second mixing rod is fixedly sleeved with two second mixing plates, and the outer sides of the second mixing plates are in staggered distribution.
Compared with the prior art, the invention has the beneficial effects that:
1. through the arrangement and use of the mixing mechanism, the first mixing plate and the second mixing plate can synchronously rotate, and the first mixing plate and the second mixing plate are in staggered rotation, so that the imported raw materials can be quickly and uniformly mixed;
2. through the arrangement and use of the circulating mechanism, the circulating rotating plate can be driven to do circulating swing, so that the U-shaped support can drive the mixing tank body to do circulating swing, and the mixing efficiency and the mixing uniformity of raw materials can be further improved;
3. through the setting use of reciprocating mechanism, can make rolling gear do reciprocating rolling along the rack that rolls to can drive T type mounting panel and do reciprocating motion, and then can drive the mixing tank body and do reciprocating motion, thereby can improve the mixing efficiency and the misce bene of raw materials again.
Drawings
For a clearer description of embodiments of the invention or of solutions in the prior art, the drawings that are required to be used in the description of the embodiments or of the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained, without the inventive effort, by a person skilled in the art from these drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the installation of the circulation mechanism of the present invention;
FIG. 3 is an enlarged schematic view of the structure A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2B according to the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 2 at C in accordance with the present invention;
FIG. 6 is a schematic view of a mixing mechanism installation in accordance with the present invention;
FIG. 7 is an enlarged schematic view of the structure of FIG. 6D according to the present invention;
fig. 8 is an enlarged schematic view of the structure at E in fig. 6 according to the present invention.
In the figure: 1. a mounting base plate; 2. a T-shaped mounting plate; 21. a guide rail; 22. a guide slide block; 3. a circulation mechanism; 31. a first servo motor; 32. a vertical plate is connected in a side joint manner; 33. a first rotating lever; 34. driving the rotating plate; 35. sliding perforation; 36. a second rotating rod; 37. a connecting rotating block; 38. a circulating rotating plate; 39. rotating the side ears; 310. a drive rail; 311. a drive collar; 312. a sliding guide rod; 313. a lateral connecting transverse plate; 314. a fixed support; 4. a reciprocating mechanism; 41. a third rotating rod; 42. a fourth rotating lever; 43. a first bevel gear; 44. a second bevel gear; 45. half bevel gear; 46. a third bevel gear; 47. a fourth bevel gear; 48. a rolling gear; 49. a rolling rack; 410. a lateral rotating seat; 5. a U-shaped support; 6. a mixing tank body; 61. a feed conduit; 62. a discharge pipe; 63. a control valve; 7. a mixing mechanism; 71. a second servo motor; 72. a first mixing rod; 73. a second mixing rod; 74. a first synchronizing wheel; 75. a second synchronizing wheel; 76. a third synchronizing wheel; 77. a synchronous belt; 78. a first collar; 79. a first mixing plate; 710. a second collar; 711. a second mixing plate; 712. a vertical strut; 713. and fixing the clamping seat.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: as shown in fig. 1-8, the invention provides a preparation method of a graphene composite silicon aerogel heat insulation material, which comprises the following steps:
step one, methyl orthosilicate, methanol and water are mixed according to a mole ratio of 1:2:3, introducing into a stirring device, then introducing nitric acid until the pH value is 4, uniformly stirring, standing and hydrolyzing to obtain a silicon precursor;
uniformly mixing a silicon precursor, absolute ethyl alcohol, water and graphene oxide solution, and then introducing ammonia water until the pH value is 8, so as to obtain silica sol;
step three, evenly spraying silica sol into the pores of the fiber felt, so as to obtain a formed graphene-silica gel composite felt;
and fourthly, drying the graphene-silica gel composite felt at normal pressure to obtain the graphene composite silica aerogel heat insulation felt.
The utility model provides a preparation facilities of compound silicon aerogel insulating material of graphite alkene, including agitating unit, agitating unit includes mounting plate 1, mounting plate 1's top slidable mounting has T type mounting panel 2, mounting plate 1's top one side fixed mounting has direction slide rail 21, and direction slide rail 21 goes up the slip sleeve and has been connected direction slider 22, T type mounting panel 2 fixed mounting is kept away from mounting plate 1's one side at direction slider 22, through the cooperation use of direction slide rail 21 and direction slider 22, spacing and direction effect have been played in the removal regulation to T type mounting panel 2, and be equipped with circulation mechanism 3 on the T type mounting panel 2, be equipped with the reciprocating mechanism 4 that uses with circulation mechanism 3 cooperation on mounting plate 1 and the T type mounting panel 2, and fixed mounting has U type support 5 on the circulation mechanism 3, U type support 5 is kept away from mounting plate 1's one end fixed mounting and has mixing tank 6, mixing tank 6's top intercommunication is equipped with the feed pipe 61 of array distribution, and mixing tank 6's bottom intercommunication is equipped with ejection of compact pipe 62, fixed mounting has control valve 63 on ejection of compact pipe 62, and mixing tank 6's inner chamber is equipped with mixing mechanism 7.
The circulation mechanism 3 comprises a first servo motor 31 and a side vertical plate 32, the first servo motor 31 is fixedly arranged at the upper end of one side of the T-shaped mounting plate 2, a side lateral transverse plate 313 is fixedly arranged at one side of the top end of the T-shaped mounting plate 2, a fixed support 314 is fixedly arranged at the bottom end of the side lateral transverse plate 313, the first servo motor 31 is fixedly connected with the fixed support 314, the stable installation of the first servo motor 31 is ensured through the cooperation of the side lateral transverse plate 313 and the fixed support 314, the tail end of the output end of the first servo motor 31 is fixedly connected with a first rotating rod 33, the first rotating rod 33 is rotatably inserted on the T-shaped mounting plate 2, the tail end of the first rotating rod 33 is fixedly connected with a driving rotating plate 34, one end of the driving rotating plate 34 far away from the first rotating rod 33 is penetrated and provided with a sliding perforation 35, the side connection risers 32 are fixedly arranged at the upper end of one side of the T-shaped mounting plate 2 far away from the first servo motor 31, the side connection risers 32 are of symmetrical structures, a second rotating rod 36 is rotatably inserted into one end of the two side connection risers 32 far away from the T-shaped mounting plate 2, a connecting rotating block 37 is rotatably sleeved on the second rotating rod 36, a circulating rotating plate 38 is fixedly arranged on one side of the connecting rotating block 37, a U-shaped support 5 is fixedly arranged on one side of the circulating rotating plate 38 far away from the mounting bottom plate 1, rotating side lugs 39 which are symmetrically arranged are fixedly arranged on the other side of the connecting rotating block 37, a driving cross rod 310 is fixedly inserted into one end of the two rotating side lugs 39 far away from the connecting rotating block 37, a driving sleeve ring 311 is movably sleeved on the driving cross rod 310, a sliding guide rod 312 is fixedly connected to the outer wall of the driving sleeve ring 311, and the sliding guide rod 312 is movably inserted into the sliding through hole 35.
Through adopting above-mentioned technical scheme, during the use, first servo motor 31 will drive first bull stick 33 and rotate, thereby can drive rotatory board 34 and rotate, will promote slip guide arm 312 and carry out cyclic movement when driving rotatory board 34 rotation, and slip guide arm 312 will be along slip perforation 35 circulation slip this moment, thereby can drive horizontal pole 310 through the drive lantern ring 311 and do cyclic oscillation, and then can drive rotation side ear 39 and do cyclic oscillation, further can drive the connection commentaries on classics piece 37 and do cyclic rotation, and will drive cyclic rotation board 38 and do cyclic oscillation when connecting commentaries on classics piece 37 rotation, thereby can drive the mixing tank body 6 through U type support 5 and do cyclic oscillation, and then can further improve the mixing efficiency and the misce bene of raw materials.
The reciprocating mechanism 4 comprises a third rotating rod 41 and a fourth rotating rod 42, the third rotating rod 41 is rotatably mounted on the T-shaped mounting plate 2, a lateral joint swivel base 410 is fixedly mounted on the T-shaped mounting plate 2, the third rotating rod 41 is rotatably inserted and arranged on the lateral joint swivel base 410, the lateral joint swivel base 410 is used for guaranteeing stable rotation of the third rotating rod 41, the top end of the third rotating rod 41 is fixedly connected with a first bevel gear 43, one end of the first rotating rod 33, close to the first servo motor 31, is fixedly sleeved with a second bevel gear 44, the second bevel gear 44 is meshed with the first bevel gear 43, the bottom end of the third rotating rod 41 is fixedly connected with a half bevel gear 45, the fourth rotating rod 42 is rotatably inserted and arranged at the lower end of the T-shaped mounting plate 2, the fourth rotating rod 42 is fixedly sleeved with a third bevel gear 46 and a fourth bevel gear 47, the third bevel gear 46 and the fourth bevel gear 47 can be meshed with the half bevel gear 45, one end, far away from the third bevel gear 46, of the fourth rotating rod 42 is fixedly sleeved with a rolling gear 48, one side, close to the T-shaped mounting plate 1, of the rolling bottom plate is fixedly provided with a half bevel gear 49, and the rolling gear 49 is meshed with the rack 49.
Through adopting above-mentioned technical scheme, during the use, second bevel gear 44 will drive first bevel gear 43 and rotate, thereby can drive third bull stick 41 and rotate, and then can drive half bevel gear 45 and rotate, and will be meshed with third bevel gear 46 and fourth bevel gear 47 in turn during half bevel gear 45 rotates, thereby can drive fourth bull stick 42 and do reciprocating rotation, and then can drive rolling gear 48 and do reciprocating rotation, thereby can make rolling gear 48 do reciprocating roll along rolling rack 49, and then can drive T type mounting panel 2 and do reciprocating motion, further can drive mixing tank 6 and do reciprocating motion, thereby can improve the mixing efficiency and the misce bene of raw materials again.
The mixing mechanism 7 comprises a second servo motor 71, a first mixing rod 72 and a second mixing rod 73, the second servo motor 71 is fixedly arranged at the top end of the mixing tank 6, the top end of the mixing tank 6 is fixedly provided with vertical struts 712 which are symmetrically distributed, the top end of the vertical struts 712 is fixedly provided with a fixing clamping seat 713, the second servo motor 71 is fixedly inserted into the fixing clamping seat 713, two first lantern rings 78 are fixedly sleeved on the first mixing rod 72 through the matched use of the vertical struts 712 and the fixing clamping seat 713, the stable installation of the second servo motor 71 is guaranteed, the tail end fixing sleeve of the output end of the second servo motor 71 is provided with a first synchronizing wheel 74, the first mixing rod 72 and the second mixing rod 73 are all rotatably inserted on the mixing tank 6, the top end fixing sleeve of the first mixing rod 72 is provided with a second synchronizing wheel 75, the top end fixing sleeve of the second mixing rod 73 is provided with a third synchronizing wheel 76, the third synchronizing wheel 76 is meshed and sleeved with the outer side of the first synchronizing wheel 74, two first lantern rings 78 are fixedly sleeved on the first mixing rod 72, the first lantern rings are fixedly provided with a second mixing plate 710 is fixedly arranged on the outer side of the first mixing rod 79, and the second mixing rod is fixedly sleeved with the second mixing plate 711 is fixedly arranged on the second mixing rod 79, and the second mixing rod 79 is fixedly sleeved on the outer side of the mixing rod 79 is fixedly arranged on the outer side of the mixing rod 79.
Through adopting above-mentioned technical scheme, during the use, second servo motor 71 will drive first synchronizing wheel 74 rotation to can drive the hold-in range 77 rotation, and then can drive second synchronizing wheel 75 and the synchronous rotation of third synchronizing wheel 76, further can drive first mixed pole 72 and second mixed pole 73 rotation, will drive first lantern ring 78 and the synchronous rotation of first mixed board 79 when first mixed pole 72 rotates, and second mixed pole 73 will drive second lantern ring 710 and the synchronous rotation of second mixed board 711 when the rotation, thereby can carry out quick even mixing with the raw materials of leading-in.
Working principle: when in use, a user can mix methyl orthosilicate, methanol and water according to the mole ratio of 1:2:3 into the mixing tank 6 through the feeding pipeline 61, then a user can open the second servo motor 71 and the first servo motor 31 instead of each other, at this time, the second servo motor 71 drives the first synchronous wheel 74 to rotate, so that the synchronous belt 77 can be driven to rotate, the second synchronous wheel 75 and the third synchronous wheel 76 can be driven to rotate synchronously, the first mixing rod 72 and the second mixing rod 73 can be driven to rotate, the first mixing rod 72 rotates and simultaneously drives the first lantern ring 78 and the first mixing plate 79 to rotate synchronously, and the second mixing rod 73 rotates and simultaneously drives the second lantern ring 710 and the second mixing plate 711 to rotate synchronously, so that the imported raw materials can be mixed rapidly and uniformly;
meanwhile, the first servo motor 31 drives the first rotating rod 33 to rotate, so that the second bevel gear 44 and the driving rotating plate 34 can be driven to rotate, the sliding guide rod 312 is driven to circularly move while the driving rotating plate 34 rotates, and at the moment, the sliding guide rod 312 circularly slides along the sliding through hole 35, so that the driving cross rod 310 can be driven to circularly swing through the driving sleeve ring 311, the rotating side lug 39 can be driven to circularly swing, the connecting rotating block 37 can be driven to circularly rotate, the connecting rotating block 37 can be driven to circularly swing, the circulating rotating plate 38 can be driven to circularly swing while the connecting rotating block 37 rotates, and the mixing tank body 6 can be driven to circularly swing through the U-shaped support 5, so that the mixing efficiency and the mixing uniformity of raw materials can be further improved;
during the period, the second bevel gear 44 will drive the first bevel gear 43 to rotate, thereby can drive the third rotating rod 41 to rotate, and then can drive the half bevel gear 45 to rotate, and will mesh with the third bevel gear 46 and the fourth bevel gear 47 alternately during the rotation of the half bevel gear 45, thereby can drive the fourth rotating rod 42 to do reciprocating rotation, and then can drive the rolling gear 48 to do reciprocating rotation, thereby can make the rolling gear 48 do reciprocating rolling along the rolling rack 49, and then can drive the T-shaped mounting plate 2 to do reciprocating movement, and further can drive the mixing tank 6 to do reciprocating movement, thereby can improve the mixing efficiency and the mixing uniformity of raw materials again, and after the raw materials are fully mixed, the first servo motor 31 and the second servo motor 71 are closed and the subsequent steps are installed to process the graphene composite silicon aerogel heat insulation felt.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. The preparation method of the graphene composite silicon aerogel heat insulation material is characterized by comprising the following steps of:
step one, methyl orthosilicate, methanol and water are mixed according to a mole ratio of 1:2:3, introducing into a stirring device, then introducing nitric acid until the pH value is 4, uniformly stirring, standing and hydrolyzing to obtain a silicon precursor;
uniformly mixing a silicon precursor, absolute ethyl alcohol, water and graphene oxide solution, and then introducing ammonia water until the pH value is 8, so as to obtain silica sol;
step three, evenly spraying silica sol into the pores of the fiber felt, so as to obtain a formed graphene-silica gel composite felt;
and fourthly, drying the graphene-silica gel composite felt at normal pressure to obtain the graphene composite silica aerogel heat insulation felt.
2. The utility model provides a preparation facilities of compound silicon aerogel insulating material of graphite alkene, includes agitating unit, a serial communication port, agitating unit includes mounting plate (1), the top slidable mounting of mounting plate (1) has T type mounting panel (2), and is equipped with circulation mechanism (3) on T type mounting panel (2), be equipped with on mounting plate (1) and T type mounting panel (2) with circulation mechanism (3) cooperation use reciprocating mechanism (4), and fixed mounting has U type support (5) on circulation mechanism (3), the one end fixed mounting that mounting plate (1) was kept away from to U type support (5) has mixing tank body (6), and is equipped with mixing mechanism (7) in the inner chamber of mixing tank body (6).
3. The preparation device of the graphene composite silicon aerogel heat insulation material according to claim 2, wherein a guide sliding rail (21) is fixedly arranged on one side of the top end of the mounting base plate (1), a guide sliding block (22) is sleeved on the guide sliding rail (21) in a sliding manner, and the T-shaped mounting plate (2) is fixedly arranged on one side, far away from the mounting base plate (1), of the guide sliding block (22).
4. The preparation device of the graphene composite silicon aerogel heat insulation material according to claim 2, wherein the circulating mechanism (3) comprises a first servo motor (31) and a side vertical plate (32), the first servo motor (31) is fixedly installed at the upper end of one side of the T-shaped mounting plate (2), the tail end of the output end of the first servo motor (31) is fixedly connected with a first rotating rod (33), the first rotating rod (33) is rotatably inserted and arranged on the T-shaped mounting plate (2), the tail end of the first rotating rod (33) is fixedly connected with a driving rotating plate (34), one end of the driving rotating plate (34) far away from the first rotating rod (33) is provided with a sliding perforation (35) in a penetrating mode, the side vertical plate (32) is fixedly installed at the upper end of one side of the T-shaped mounting plate (2) far away from the first servo motor (31), the side vertical plate (32) is in a symmetrical structure, one end of the two side vertical plates (32) far away from the T-shaped mounting plate (2) is rotatably inserted with a second rotating rod (36), the second rotating rod (36) is rotatably connected with a rotating block (37) and is fixedly connected with the circulating support (38) on one side of the mounting plate (38), the opposite side fixed mounting who connects commentaries on classics piece (37) has rotation side ear (39) that the symmetry set up, and the one end that two rotation side ears (39) kept away from and connect commentaries on classics piece (37) is fixed to be inserted and is equipped with drive horizontal pole (310), drive lantern ring (311) have been cup jointed to the activity on drive horizontal pole (310), and fixedly connected with slip guide arm (312) on the outer wall of drive lantern ring (311), slip guide arm (312) activity is inserted and is established in slip perforation (35).
5. The preparation device of the graphene composite silicon aerogel heat insulation material according to claim 4, wherein a lateral side transverse plate (313) is fixedly arranged on one side of the top end of the T-shaped mounting plate (2), a fixed support (314) is fixedly arranged at the bottom end of the lateral side transverse plate (313), and the first servo motor (31) is fixedly connected with the fixed support (314).
6. The preparation device of the graphene composite silicon aerogel heat insulation material according to claim 4, wherein the reciprocating mechanism (4) comprises a third rotating rod (41) and a fourth rotating rod (42), the third rotating rod (41) is rotatably installed on the T-shaped mounting plate (2), the top end of the third rotating rod (41) is fixedly connected with a first bevel gear (43), one end, close to the first servo motor (31), of the first rotating rod (33) is fixedly sleeved with a second bevel gear (44), the second bevel gear (44) is meshed with the first bevel gear (43), the bottom end of the third rotating rod (41) is fixedly connected with a half bevel gear (45), the fourth rotating rod (42) is rotatably inserted at the lower end of the T-shaped mounting plate (2), the third bevel gear (46) and the fourth bevel gear (47) are fixedly sleeved on the fourth rotating rod (42), the third bevel gear (46) and the fourth bevel gear (47) can be meshed with a half bevel gear (45), the fourth bevel gear (42) is far away from the third bevel gear (46), and the end, close to the rolling rack (49) is fixedly installed on one side, close to the rolling rack (49) of the mounting plate (2).
7. The preparation device of the graphene composite silicon aerogel heat insulation material according to claim 6, wherein a lateral rotary seat (410) is fixedly installed on the T-shaped mounting plate (2), and the third rotary rod (41) is rotatably inserted on the lateral rotary seat (410).
8. The preparation device of the graphene composite silicon aerogel heat insulation material according to claim 2, wherein an array distribution feeding pipeline (61) is arranged at the top end of the mixing tank body (6) in a communicated manner, a discharging pipeline (62) is arranged at the bottom end of the mixing tank body (6) in a communicated manner, and a control valve (63) is fixedly arranged on the discharging pipeline (62).
9. The preparation device of the graphene composite silicon aerogel heat insulation material according to claim 2, wherein the mixing mechanism (7) comprises a second servo motor (71), a first mixing rod (72) and a second mixing rod (73), the second servo motor (71) is fixedly installed at the top end of the mixing tank body (6), a first synchronizing wheel (74) is fixedly sleeved at the tail end of the output end of the second servo motor (71), the first mixing rod (72) and the second mixing rod (73) are rotatably inserted on the mixing tank body (6), a second synchronizing wheel (75) is fixedly sleeved at the top end of the first mixing rod (72), a third synchronizing wheel (76) is fixedly sleeved at the top end of the second mixing rod (73), a synchronizing belt (77) is sleeved outside the third synchronizing wheel (76), the second synchronizing wheel (75) and the first synchronizing wheel (74), two first collars (78) are fixedly sleeved on the first mixing rod (72), two first mixing collars (710) fixedly installed on the first outer wall (78) are fixedly sleeved on the second mixing rod (710), two second mixing plates (710) are fixedly sleeved outside the second mixing rod (710), the second mixing plates (711) are staggered with respect to the first mixing plates (79).
10. The preparation device of the graphene composite silicon aerogel heat insulation material according to claim 9, wherein vertical struts (712) which are symmetrically distributed are fixedly arranged at the top end of the mixing tank body (6), a fixing clamping seat (713) is fixedly arranged at the top end of each vertical strut (712), and the second servo motor (71) is fixedly inserted into the fixing clamping seat (713).
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