CN114653326B - Liquid phase method for preparing nano SiO 2 Chemical synthesis equipment for powder - Google Patents
Liquid phase method for preparing nano SiO 2 Chemical synthesis equipment for powder Download PDFInfo
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- CN114653326B CN114653326B CN202210292982.0A CN202210292982A CN114653326B CN 114653326 B CN114653326 B CN 114653326B CN 202210292982 A CN202210292982 A CN 202210292982A CN 114653326 B CN114653326 B CN 114653326B
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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
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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
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
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Abstract
The invention belongs to the technical field of chemical equipment, and particularly relates to a liquid phase method for preparing nano SiO 2 Chemical synthesis equipment of powder to the problem that prior art exists, now provides following scheme, including outer barrel, the top outer wall fixedly connected with top dish of outer barrel, and the side inner wall of outer barrel rotates and is connected with interior rotary drum, the side outer wall top fixedly connected with transmission shell of outer barrel, the bottom outer wall fixedly connected with of transmission shell is used for driving interior rotary drum pivoted driving motor, and the inside of adversion section of thick bamboo is provided with four at least annular evenly distributed's whereabouts reaction mechanism, whereabouts reaction mechanism includes the horizontal section of thick bamboo of the fixed connection of at least three upper and lower evenly distributed's inner wall in interior rotary drum side. Compared with the mode of directly adding the silicon halide into the solution and then stirring for reaction in the prior art, the stirring mode in the invention can ensure that the silicon halide is fully contacted with the solution, thereby improving the reaction efficiency.
Description
Technical Field
The invention relates to the technical field of chemical equipment, in particular to a method for preparing nano SiO by a liquid phase method 2 Chemical synthesis equipment of powder.
Background
SiO 2 That is, silica is an inorganic substance, and silicon atoms and oxygen atoms are arranged in long-range order to form crystalline silica, and in short-range order or long-range order to form amorphous silica. In the silicon dioxide crystal, silicon atom is located at the center of regular tetrahedron, four oxygen atoms are located at four top corners of the regular tetrahedron, many of the tetrahedrons are connected by oxygen atoms at the top corners, each oxygen atom is shared by two tetrahedrons, i.e. each oxygen atom is combined with two silicon atoms, and the pure natural silicon dioxide crystal is a hard, brittle, insoluble, colorless and transparent solid which is commonly used for manufacturing optical instruments and the like.
In the process of nano-meterSiO 2 In the preparation of the powder, a liquid phase method is usually adopted for preparation, namely, after a fluorine-containing ion solution and a deionized water solution are added into a reactor, a silicon halide is added for reaction, and then filtration is carried out to obtain the silicon dioxide powder.
Disclosure of Invention
Based on the technical problems in the prior art, the invention provides a liquid phase method for preparing nano SiO 2 Chemical synthesis equipment of powder.
The invention provides a liquid phase method for preparing nano SiO 2 Chemical synthesis equipment of powder, including outer barrel, the top outer wall fixedly connected with top dish of outer barrel, and the side inner wall of outer barrel rotates and is connected with interior rotary drum, the side outer wall top fixedly connected with transmission shell of outer barrel, the bottom outer wall fixedly connected with of transmission shell is used for driving interior rotary drum pivoted driving motor, and the inside of adversion section of thick bamboo is provided with four at least annular evenly distributed's whereabouts reaction mechanism, whereabouts reaction mechanism includes the horizontal section of thick bamboo of at least three upper and lower evenly distributed's fixed connection in interior rotary drum side inner wall, and fixedly connected with evenly distributed between per two upper and lower adjacent horizontal section of thick bamboos with the communicating standpipe of horizontal section of thick bamboo, the side outer wall of horizontal section of thick bamboo is opened has evenly distributed's drain hole, and the top of standpipe is provided with feed mechanism, the top outer wall fixedly connected with top carousel of interior rotary drum.
Preferably, the feeding mechanism comprises a grinding barrel fixedly connected to the top end of the uppermost vertical pipe and communicated with the vertical pipe, a discharging groove is formed in the outer wall of the top turntable above the grinding barrel, a discharging shell is connected between the inner wall of the side face of the discharging groove and the outer wall of the top of the grinding barrel, a feeding groove with the same size as the discharging groove is formed in the outer wall of the top plate, and a hopper fixedly connected to the outer wall of the top plate is arranged above the feeding groove.
Preferably, the inner wall of the side surface of the crushing cylinder and the inner wall of the side surface of the transverse cylinder are both connected with a rotating shaft through bearings, one end of the rotating shaft extends to the outer side of the inner rotating cylinder, the inner wall of the side surface of the outer cylinder body, which is positioned at one end of the rotating shaft, is provided with a ring groove, the inner wall of the bottom of the ring groove is provided with a gear ring, and the end part of the rotating shaft is fixedly connected with a rolling gear meshed with the gear ring.
Preferably, the outer wall of the side surface of the rotating shaft positioned in the transverse cylinder is fixedly connected with annular and uniformly distributed paddle boards, and the inner wall of the side surface of the transverse cylinder is fixedly connected with a screen.
Preferably, the outer wall of the side of the rotating shaft inside the crushing barrel is fixedly connected with the crushing roller, the outer wall of the side of the crushing roller between every two vertical pipes is provided with an inwards concave material guiding section, and the inner wall of the side of the crushing barrel is provided with material guiding and crushing blocks matched with the material guiding section.
Preferably, the outer wall of the bottom of the inner rotary drum and the outer wall of the bottom of the outer drum are provided with communicated liquid discharge holes, a liquid discharge valve is connected below the liquid discharge holes in the bottom of the outer drum, the other end of the liquid discharge valve is connected with a liquid outlet pipe, the other end of the liquid outlet pipe is connected with a liquid discharge pump, and a liquid discharge section of the liquid discharge pump is connected with a liquid discharge pipe.
Preferably, the inner drum is fixedly connected with a bottom drum on the inner wall of the bottom part above the liquid discharge hole, the outer wall of the top part of the bottom drum is fixedly connected with an intermediate drum, the intermediate drum is of a cylindrical structure with holes, the inner wall of the side surface of the bottom drum is fixedly connected with a propeller blade, and the outer wall of the side surface of the bottom drum is provided with a lower liquid guide hole.
Preferably, the bottom of the inner side wall of the middle cylinder is fixedly connected with a middle liquid guide pipe, the inner side wall of the middle cylinder, which is positioned above the bottom end of the middle liquid guide pipe, is fixedly connected with a filter screen, the outer top wall of the top disc and the outer top wall of the top rotary disc are provided with communicated material lifting holes, the top end of the middle cylinder extends to the inside of the material lifting holes, and a material lifting mechanism is arranged between the middle liquid guide pipe and the middle cylinder.
Preferably, the material lifting mechanism comprises a cover block, a lifting handle is fixedly connected to the outer wall of the top of the cover block, a lifting block is fixedly connected to the outer wall of the bottom of the cover block, a lifting rod is fixedly connected to the outer wall of the bottom of the lifting block, and a bag shell located at the bottom of the middle liquid guide tube is fixedly connected to the bottom end of the lifting rod.
The beneficial effects of the invention are as follows: through setting up horizontal section of thick bamboo and standpipe, including the inside of rotary drum sets up horizontal section of thick bamboo and standpipe, can drive interior rotary drum through driving motor and rotate, and then can make the silicon halide intermittent type nature in the hopper enter into horizontal section of thick bamboo and standpipe, the rotation of rethread interior rotary drum makes the silicon halide who falls into in the horizontal section of thick bamboo react with the solution in the interior rotary drum, it compares in prior art directly with the mode of stirring the reaction in adding the silicon halide to the solution again, stirring mode in the invention can make silicon halide fully contact with solution, the efficiency of reaction is improved.
Drawings
FIG. 1 shows a liquid phase method for preparing nano SiO 2 The whole structure of the chemical synthesis equipment of the powder is partially cut;
FIG. 2 shows a liquid phase method for preparing nano SiO 2 A cross sectional view of the lateral structure of the transverse cylinder of the chemical synthesis equipment of the powder;
FIG. 3 shows a liquid phase method for preparing nano SiO 2 A top turntable structure schematic diagram of powder chemical synthesis equipment;
FIG. 4 shows a liquid phase method for preparing nano SiO 2 A schematic structural diagram of a grinding roller of a chemical synthesis device for powder;
FIG. 5 shows a liquid phase method for preparing nano SiO 2 A gear ring structure schematic diagram of powder chemical synthesis equipment;
FIG. 6 shows a liquid phase method for preparing nano SiO 2 A bottom cylinder structure schematic diagram of a chemical synthesis device of powder;
FIG. 7 shows a liquid phase method for preparing nano SiO 2 The cover block structure of the chemical synthesis equipment of the powder is shown schematically.
In the figure: the device comprises an outer barrel body 1, a top rotating disk 2, a hopper 3, a cover block 4, a top disk 5, a transmission shell 6, a driving motor 7, a liquid discharge pipe 8, a liquid discharge pump 9, a liquid discharge pipe 10, a middle barrel 11, a transverse barrel 12, a vertical barrel 13, a paddle plate 14, a rotating shaft 15, a liquid guide hole 16, a screen 17, an inner rotating barrel 18, a grinding barrel 19, a feeding trough 20, a material lifting hole 22, a material discharging trough 23, a material discharging shell 24, a grinding roller 25, a material guide section 26, a material guide grinding fragment 27, a rolling gear 28, a ring groove 29, a gear ring 30, a liquid discharge valve 31, a propeller blade 32, a bottom barrel 33, a filter screen 34, a middle liquid guide pipe 35, a shell 36, a liquid guide hole 37, a lifting rod 38 and a lifting block 39.
Detailed Description
Referring to FIG. 1, a liquid phase method for preparing nano SiO 2 Chemical synthesis equipment of powder, including outer barrel 1, the top outer wall fixedly connected with top dish 5 of outer barrel 1, and the side inner wall of outer barrel 1 rotates and is connected with interior rotary drum 18, the side outer wall top fixedly connected with transmission shell 6 of outer barrel 1, the bottom outer wall fixedly connected with of transmission shell 6 is used for driving interior rotary drum 18 pivoted driving motor 7, the inside of interior rotary drum 18 is provided with four at least annular evenly distributed's whereabouts reaction mechanism, whereabouts reaction mechanism includes the horizontal section of thick bamboo 12 of the 18 side inner walls of interior rotary drum of at least three upper and lower evenly distributed's fixed connection, and fixedly connected with evenly distributed between per two upper and lower adjacent horizontal section of thick bamboo 12 with the communicating standpipe 13 of horizontal section of thick bamboo 12, the side outer wall of horizontal section of thick bamboo 12 is opened has evenly distributed's drain hole 16, the top of standpipe 13 is provided with feed mechanism, the top outer wall fixedly connected with top carousel 2 of interior rotary drum 18.
In the present invention, referring to fig. 3, the feeding mechanism comprises a crushing cylinder 19 fixedly connected to the top end of the uppermost vertical pipe 13 and communicated with the vertical pipe 13, a discharging chute 23 is formed on the top outer wall of the top rotary table 2 above the crushing cylinder 19, a discharging shell 24 is connected between the inner wall of the side surface of the discharging chute 23 and the top outer wall of the crushing cylinder 19, a feeding chute 20 having the same size as the discharging chute 23 is formed on the top outer wall of the top disc 5, and a hopper 3 fixedly connected to the top outer wall of the top disc 5 is arranged above the feeding chute 20.
Referring to fig. 5, the inner side wall of the grinding cylinder 19 and the inner side wall of the transverse cylinder 12 are connected with a rotating shaft 15 through bearings, one end of the rotating shaft 15 extends to the outer side of the inner rotating cylinder 18, the inner side wall of the outer cylinder 1 at one end of the rotating shaft 15 is provided with a ring groove 29, the inner bottom wall of the ring groove 29 is provided with a gear ring 30, and the end of the rotating shaft 15 is fixedly connected with a rolling gear 28 engaged with the gear ring 30.
Referring to fig. 2, paddles 14 are fixedly connected to the outer side wall of the rotating shaft 15 inside the horizontal cylinder 12, and are uniformly distributed in a ring shape, and a screen 17 is fixedly connected to the inner side wall of the horizontal cylinder 12.
Referring to fig. 4, a crushing roller 25 is fixedly connected to the outer side wall of the rotating shaft 15 inside the crushing cylinder 19, a material guiding section 26 which is recessed inwards is arranged on the outer side wall of the crushing roller 25 between every two vertical pipes 13, and material guiding crushing blocks 27 which are matched with the material guiding section 26 are arranged on the inner side wall of the crushing cylinder 19.
Referring to fig. 1, wherein, the outer wall of the bottom of the inner rotating drum 18 and the outer wall of the bottom of the outer cylinder 1 are provided with a liquid discharge hole, a liquid discharge valve 31 is connected below the liquid discharge hole at the bottom of the outer cylinder 1, the other end of the liquid discharge valve 31 is connected with a liquid discharge pipe 10, the other end of the liquid discharge pipe 10 is connected with a liquid discharge pump 9, and the liquid discharge section of the liquid discharge pump 9 is connected with a liquid discharge pipe 8.
Referring to fig. 6, a bottom tube 33 is fixedly connected to the inner wall of the bottom of the inner rotary tube 18 above the liquid discharge hole, an intermediate tube 11 is fixedly connected to the outer wall of the top of the bottom tube 33, the intermediate tube 11 is a tubular structure with holes, a propeller blade 32 is fixedly connected to the inner wall of the side of the bottom tube 33, and a lower liquid guide hole 37 is formed in the outer wall of the side of the bottom tube 33.
Referring to fig. 7, an intermediate liquid guide tube 35 is fixedly connected to the bottom of the inner side wall of the intermediate tube 11, a filter screen 34 is fixedly connected to the inner side wall of the intermediate tube 11 above the bottom end of the intermediate liquid guide tube 35, the top outer wall of the top plate 5 and the top outer wall of the top rotary plate 2 are provided with material lifting holes 22, the top end of the intermediate tube 11 extends to the inside of the material lifting holes 22, and a material lifting mechanism is arranged between the intermediate liquid guide tube 35 and the intermediate tube 11.
The material lifting mechanism comprises a cover block 4, a lifting handle is fixedly connected to the outer wall of the top of the cover block 4, a lifting block 39 is fixedly connected to the outer wall of the bottom of the cover block 4, a lifting rod 38 is fixedly connected to the outer wall of the bottom of the lifting block 39, and a pocket shell 36 located at the bottom of the middle liquid guide tube 35 is fixedly connected to the bottom end of the lifting rod 38.
When the invention is used: adding a fluorine-containing ion solution and deionized water into an inner rotary drum 18, then pouring silicon halide particles into a hopper 3, then starting a driving motor 7 to drive the inner rotary drum 18 to rotate, when the inner rotary drum 18 rotates, whenever a discharging groove 23 rotates to the lower part of a feeding groove 20, the silicon halide particles in the hopper 3 fall into a grinding cylinder 19 from the feeding groove 20, when the silicon halide falls into the grinding cylinder 19 from the discharging groove 23, a rotating shaft 15 rotates to drive a grinding roller 25 to rotate, then grinding the silicon halide particles, so that the silicon halide forms smaller particles, the efficiency of subsequent chemical reaction is improved, then the silicon halide particles fall through a vertical pipe 13 in a dispersing way, when the silicon halide particles fall into a transverse pipe 12, due to the rotation of the inner rotary drum 18, the fluorine-containing ion solution passes through the inner part of the transverse pipe 12 through a liquid guide hole 16 and then reacts with the silicon halide particles in the transverse pipe 12 to generate silicon dioxide precipitates, meanwhile, the rotating shaft 15 is driven to rotate through the meshing of the rolling gear 28 and the gear ring 30, so as to drive the paddle board 14 to rotate, the reaction efficiency of the solution flow in the transverse cylinder 12 and the silicon halide can be further improved through the rotation of the paddle board 14, the screen 17 can prevent large unreacted silicon halide particles from being discharged from the liquid guide hole 16, then the unreacted large silicon halide particles can fall from the vertical pipe 13 below the transverse cylinder 12 and enter the next transverse cylinder 12 for continuous reaction until the silicon halide reaction is finished, when the inner rotary cylinder 18 rotates, the middle cylinder 11 and the bottom cylinder 33 can be driven to rotate, so as to drive the propeller blades 32 to rotate, the propeller blades 32 can rotate to form an upward liquid flow, and then the mixed liquid in the inner rotary cylinder 18 is pumped in through the lower liquid guide hole 37, then enters the middle cylinder 11 and moves upwards through the middle liquid guide pipe 35, until the mixed solution moves to the top of the middle liquid guide pipe 35 and then is discharged outside through the holes on the surface of the middle barrel 11, the silicon dioxide precipitate contained in the solution can be filtered by the filter screen 34 and gradually falls into the bag shell 36, after the reaction is finished, the cover block 4 is upwards pulled out, the bag shell 36 can be pulled out, the silicon dioxide precipitate can be collected, and after the reaction is finished, the liquid discharge valve 31 is opened, the mixed solution can be pumped out through the liquid discharge pump 9, and the subsequent filtering treatment can be carried out.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. Liquid phase method for preparing nano SiO 2 The chemical synthesis equipment for the powder comprises an outer barrel (1) and is characterized in that the outer wall of the top of the outer barrel (1) is fixedly connected with a top disc (5), the inner wall of the side surface of the outer barrel (1) is rotatably connected with an inner rotary drum (18), the top of the outer wall of the side surface of the outer barrel (1) is fixedly connected with a transmission shell (6), the outer wall of the bottom of the transmission shell (6) is fixedly connected with a driving motor (7) for driving the inner rotary drum (18) to rotate, at least four annular uniformly-distributed falling reaction mechanisms are arranged inside the inner rotary drum (18), each falling reaction mechanism comprises at least three transverse drums (12) which are uniformly distributed from top to bottom and fixedly connected with the inner wall of the side surface of the inner rotary drum (18), vertical pipes (13) which are uniformly distributed and communicated with the transverse drums (12) are fixedly connected between every two vertically adjacent transverse drums (12), the outer wall of the side surface of each transverse drum (12) is provided with uniformly-distributed liquid guide holes (16), the top ends of the vertical pipes (13) are provided with a feeding mechanism, and the outer wall of the inner rotary drum (18) is fixedly connected with a top rotary disc (2);
the outer wall of the bottom of the inner rotary drum (18) and the outer wall of the bottom of the outer drum body (1) are provided with communicated liquid discharge holes, a liquid discharge valve (31) is connected below the liquid discharge holes in the bottom of the outer drum body (1), the other end of the liquid discharge valve (31) is connected with a liquid discharge pipe (10), the other end of the liquid discharge pipe (10) is connected with a liquid discharge pump (9), and a liquid discharge section of the liquid discharge pump (9) is connected with a liquid discharge pipe (8);
the inner wall of the bottom of the inner rotary drum (18) above the liquid discharge hole is fixedly connected with a bottom drum (33), the outer wall of the top of the bottom drum (33) is fixedly connected with an intermediate drum (11), the intermediate drum (11) is of a cylindrical structure with holes, the inner wall of the side surface of the bottom drum (33) is fixedly connected with a propeller blade (32), and the outer wall of the side surface of the bottom drum (33) is provided with a lower liquid guide hole (37);
the bottom of the inner wall of the side face of the middle cylinder (11) is fixedly connected with a middle liquid guide pipe (35), the inner wall of the side face, positioned above the bottom end of the middle liquid guide pipe (35), of the middle cylinder (11) is fixedly connected with a filter screen (34), the outer wall of the top disc (5) and the outer wall of the top rotary disc (2) are provided with material lifting holes (22) which are communicated, the top end of the middle cylinder (11) extends to the inner part of the material lifting holes (22), and a material lifting mechanism is arranged between the middle liquid guide pipe (35) and the middle cylinder (11);
the feeding mechanism comprises a crushing cylinder (19) fixedly connected to the top end of the uppermost vertical pipe (13) and communicated with the vertical pipe (13), a top rotating disc (2) is provided with a discharging groove (23) on the outer wall of the top above the crushing cylinder (19), a discharging shell (24) is connected between the inner wall of the side face of the discharging groove (23) and the outer wall of the top of the crushing cylinder (19), the outer wall of the top disc (5) is provided with a feeding groove (20) with the same size as the discharging groove (23), and a hopper (3) fixedly connected to the outer wall of the top disc (5) is arranged above the feeding groove (20).
2. The liquid phase method for preparing nano SiO according to claim 1 2 The chemical synthesis equipment for the powder is characterized in that the inner wall of the side surface of the crushing cylinder (19) and the inner wall of the side surface of the transverse cylinder (12) are both connected with a rotating shaft (15) through bearings, one end of the rotating shaft (15) extends to the outer side of the inner rotating cylinder (18), the inner wall of the side surface of the outer cylinder body (1) at one end of the rotating shaft (15) is provided with a ring groove (29), the inner wall of the bottom of the ring groove (29) is provided with a gear ring (30), and the end part of the rotating shaft (15) is fixedly connected with a rolling gear (28) meshed with the gear ring (30).
3. The liquid phase method for preparing nano SiO according to claim 2 2 Chemical synthesis equipment for powder is characterized in that the outer wall of the side surface of a rotating shaft (15) positioned in a transverse cylinder (12) is fixedly connected with paddles (14) which are uniformly distributed in an annular shape, and the inner wall of the side surface of the transverse cylinder (12) is fixedly connected with a screen (17).
4. The liquid phase method for preparing nano SiO according to claim 1 2 The chemical synthesis equipment for the powder is characterized in that a grinding roller (25) is fixedly connected to the outer wall of the side face of a rotating shaft (15) positioned inside a grinding cylinder (19), an inwards-concave material guide section (26) is arranged on the outer wall of the side face of the grinding roller (25) positioned between every two vertical pipes (13), and the inner wall of the side face of the grinding cylinder (19) is provided with and guides a material guide sectionThe material guiding and grinding fragments (27) are matched with the material sections (26).
5. The liquid phase method for preparing nano SiO according to claim 1 2 Chemical synthesis equipment of powder, its characterized in that, carry material mechanism and include cover block (4), the top outer wall fixedly connected with of cover block (4) carries the handle, and the bottom outer wall fixedly connected with of cover block (4) carries block (39), carries the bottom outer wall fixedly connected with shadoof (38) of block (39), and the bottom fixedly connected with of shadoof (38) is located pocket shell (36) of catheter (35) bottom in the middle of.
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| CN214597692U (en) * | 2020-12-29 | 2021-11-05 | 洛阳市兽药厂 | Medicine enrichment facility is used in production of andrographis paniculata injection |
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| CN113209697A (en) * | 2021-05-21 | 2021-08-06 | 李始强 | A prevent blockking up filter equipment for sewage treatment |
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