CN116328686B - Reaction kettle for preparing nano spherical silicon dioxide dispersion liquid - Google Patents
Reaction kettle for preparing nano spherical silicon dioxide dispersion liquid Download PDFInfo
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- CN116328686B CN116328686B CN202310144470.4A CN202310144470A CN116328686B CN 116328686 B CN116328686 B CN 116328686B CN 202310144470 A CN202310144470 A CN 202310144470A CN 116328686 B CN116328686 B CN 116328686B
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- shaft
- sleeve
- transverse
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 43
- 239000007788 liquid Substances 0.000 title claims abstract description 37
- 238000003756 stirring Methods 0.000 claims abstract description 136
- 239000002184 metal Substances 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 238000007790 scraping Methods 0.000 claims description 14
- 238000005485 electric heating Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 33
- 239000002245 particle Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000004062 sedimentation Methods 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 13
- 238000005457 optimization Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 235000012239 silicon dioxide Nutrition 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 125000004430 oxygen atom Chemical group O* 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- -1 silane modified silicon dioxide Chemical class 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 229920006318 anionic polymer Polymers 0.000 description 2
- 239000012736 aqueous medium Substances 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000005543 nano-size silicon particle Substances 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910021486 amorphous silicon dioxide Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910021488 crystalline silicon dioxide Inorganic materials 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000036544 posture Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- 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
- B01J19/0053—Details of the reactor
-
- 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
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
-
- 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
-
- C—CHEMISTRY; METALLURGY
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The application discloses a reaction kettle for preparing nano spherical silica dispersion liquid, which comprises a kettle body, wherein a kettle cover is arranged at the top of the kettle body, a stirring mechanism is arranged on the kettle cover, a discharge hole is arranged at the middle position of the bottom of the kettle body, the stirring mechanism comprises a stirring shaft which is rotatably arranged at the top position of the inner side of the kettle cover, a first stirring assembly and a third stirring assembly are arranged at the lower part of the stirring shaft, the first stirring assembly comprises a transverse sleeve arranged on the stirring shaft, a transverse shaft is inserted in the transverse sleeve, two connecting sleeves are rotatably arranged on the outer peripheral surface of the transverse shaft, the transverse sleeve is positioned between the two connecting sleeves, one metal ring is fixedly arranged on the two connecting sleeves, and a first stirring curved rod is fixedly arranged at one end of the transverse shaft. The application is beneficial to the smooth passing of the material with the target particle size through the mesh enclosure, ensures that the material at the lower part is not deposited, reduces the possibility of material sedimentation, and is beneficial to the improvement of the uniformity of the material components.
Description
Technical Field
The application relates to the technical field of nano spherical silicon dioxide processing, in particular to a reaction kettle for preparing nano spherical silicon dioxide dispersion liquid.
Background
The silicon dioxide is an inorganic compound, the chemical formula is SiO2, silicon atoms and oxygen atoms are arranged in a long-range order to form crystalline silicon dioxide, short-range order or long-range order is arranged in a long-range order to form amorphous silicon dioxide, in the silicon dioxide crystal, the silicon atoms are positioned at the center of a regular tetrahedron, four oxygen atoms are positioned on four vertex angles of the regular tetrahedron, a plurality of such tetrahedrons are connected through the oxygen atoms of the vertex angles, each oxygen atom is shared by two tetrahedrons, namely, each oxygen atom is combined with two silicon atoms, and the simplest formula of the silicon dioxide is SiO2. Pure natural silica crystal is a hard, brittle and insoluble colorless transparent solid, is commonly used for manufacturing optical instruments and the like, and nano silica has a plurality of unique properties such as optical performance against ultraviolet rays, ageing resistance, strength and chemical resistance of other materials and very wide application because the nano silica is ultra-fine nano-scale and has the size range of 1-100 nm. The nano-scale silicon dioxide is amorphous white powder, is nontoxic, odorless and pollution-free, has a spherical microstructure and is in a flocculent and net-shaped quasi-particle structure, and the nano sphericization of the silicon micro powder is one of the technical means for improving the application performance and the practical value of the silicon micro powder.
The nanometer spherical silica dispersion liquid is a semitransparent liquid which is commonly applied to nanometer spherical silica, is mainly used for paint, refractory materials, textile industry and the like, and has the performances of water resistance, fire resistance, washing resistance and pollution resistance. After dispersing the nanosilica in a liquid, the appearance ranges from white milky to colorless transparent depending on the dispersion. From the detection point of view, the system with D90 less than 100 nanometers is in a visually transparent state. The dispersion of nano-particles is a worldwide technical problem. It is appreciated that certain techniques have emerged whereby certain nanoparticles can be dispersed to a monodisperse state, one of which is nano-silica.
The prior art provides a dispersion method of silane modified silicon dioxide, which is also matched with a silane coupling agent, a dispersing agent and the like for use, the production cost of the prepared nano silicon dioxide dispersion is high, the application of a silicon dioxide dispersion liquid is greatly limited, an anionic polymer dispersing agent and an aminosilane compound are mixed into an aqueous medium, silicon dioxide particles are mixed into the aqueous medium containing the anionic polymer dispersing agent and the aminosilane compound, the reaction is carried out to obtain the nano silicon dioxide dispersion liquid, the preparation process of the nano spherical silicon dioxide dispersion liquid is generally carried out in a reaction kettle, dead angles exist in the stirring and mixing processes of the existing reaction kettle, material sinking is easy to cause, and the components of a final product are uneven, so the reaction kettle for preparing the nano spherical silicon dioxide dispersion liquid is provided.
Disclosure of Invention
Based on the technical problems in the background technology, the application provides a reaction kettle for preparing nano spherical silica dispersion liquid.
The application provides a reaction kettle for preparing nano spherical silica dispersion liquid, which comprises a kettle body, wherein a kettle cover is arranged at the top of the kettle body, a stirring mechanism is arranged on the kettle cover, a discharge hole is arranged at the middle position of the bottom of the kettle body, the stirring mechanism comprises a stirring shaft which is rotatably arranged at the top position of the inner side of the kettle cover, a first stirring assembly and a third stirring assembly are arranged at the lower part of the stirring shaft, the first stirring assembly comprises a transverse sleeve arranged on the stirring shaft, a transverse shaft is inserted in the transverse sleeve, two connecting sleeves are rotatably arranged on the outer peripheral surface of the transverse shaft, the transverse sleeve is positioned between the two connecting sleeves, one metal ring is fixedly arranged on the two connecting sleeves, one end of the transverse shaft is fixedly provided with a first stirring curved rod, the other end of the transverse shaft is fixedly provided with a porous plate, and the transverse shaft can axially slide along the inner wall of the transverse sleeve;
the third stirring assembly comprises a circular supporting disc fixedly arranged in the inner kettle tank, the stirring shaft penetrates through the circular supporting disc, a rotating disc is rotationally arranged at the top of the circular supporting disc, arc scraping strips which are distributed annularly at equal distances are fixed on the outer circumferential surface of the rotating disc, a cam block is arranged at the top of the rotating disc, through holes for the stirring shaft to penetrate through are formed in the cam block and the rotating disc, a circular groove is formed in the bottom of the third stirring assembly, an inner gear ring is embedded in the circular groove, an outer gear ring is arranged at the position, close to the inner position of the circular groove, of the stirring shaft, gears which are distributed annularly at equal distances are rotationally arranged at the position, close to the position between the outer gear ring and the inner gear ring, of the top of the circular supporting disc are meshed with the outer gear ring and the inner gear ring.
Along with the (mixing) shaft is driven to rotate, the gear is driven to rotate, the inner gear ring is matched with the gear to rotate, the rotating disc is driven to rotate, the arc scraping strips arranged on the rotating disc are driven to rotate, the set cam block rotates and drives the metal ring to move, so that the transverse shaft is driven to do transverse reciprocating movement in the transverse sleeve, the stirring area can be changed, and better stirring and mixing effects are achieved.
As a further optimization of the technical scheme, the reaction kettle for preparing the nano spherical silica dispersion liquid is characterized in that a screen is arranged on the inner wall of the inner kettle close to the lower position of an arc scraping strip, the top of the screen is fixedly connected with a circular supporting plate, the arc scraping strip is contacted with the top of the screen, a drain outlet communicated with the inner part of the inner kettle is arranged on the side wall of the inner kettle close to the upper position of the lower edge of the screen, and a drain cover is fixed in the drain outlet.
In this preferred scheme, the screen panel of setting can filter the nanometer spherical silica that the reaction generated to the arc of setting is scraped the strip and can is cleared up the screen panel surface, avoids the material to pile up.
As a further optimization of the technical scheme, the reaction kettle for preparing the nano spherical silica dispersion liquid is characterized in that a second stirring assembly is arranged at the bottom of the stirring shaft and close to the inner side of the mesh cover, the second stirring assembly comprises a multi-edge rod arranged at the lower part of the stirring shaft, the multi-edge rod and the stirring shaft are coaxially arranged, a limiting baffle disc is fixed at the bottom of the multi-edge rod, a multi-edge sleeve is sleeved on the multi-edge rod, second stirring curved rods distributed in an annular mode at equal intervals are arranged on the outer peripheral surface of the multi-edge sleeve, a movable sleeve is fixed at the top of the multi-edge sleeve, annular protrusions are arranged at the lower part of the circular supporting disc, the annular protrusions are coaxially arranged with the stirring shaft, the movable sleeve is sleeved on the annular protrusions, annular cam grooves are arranged on the inner wall of the movable sleeve, protruding pins are arranged on the outer peripheral surface of the annular protrusions, and the protruding pins are arranged in the annular cam grooves in a sliding mode.
In this preferred scheme, the second stirring subassembly of setting can stir the material that the straining off, avoids reducing the material and deposits, realizes that the material composition is more even.
As a further optimization of the technical scheme, the reaction kettle for preparing the nano spherical silicon dioxide dispersion liquid is characterized in that a conical screw rod is arranged on the peripheral surface of the polygonal sleeve.
In this preferred scheme, the toper hob that sets up helps turning up the material of bottom, the effectual possibility of reducing the material deposit.
As a further optimization of the technical scheme, the reaction kettle for preparing the nano spherical silica dispersion liquid is characterized in that an electric heating sleeve is arranged outside the inner kettle tank, ear blocks distributed in an annular mode at equal distance are arranged at the top of the inner kettle tank, and mounting holes are formed in the ear blocks.
In the preferred scheme, the inner kettle tank is heated through the electric heating sleeve so as to reach the reaction temperature meeting the requirements, and the inner kettle tank is fixedly installed with the bracket of the production place through the ear block.
As a further optimization of the technical scheme, the reaction kettle for preparing the nano spherical silica dispersion liquid is characterized in that a chute extending in a spiral mode is arranged on the inner side of the transverse sleeve, a positioning pin matched with the chute is arranged on the outer wall of the transverse shaft, and the positioning pin is arranged in the chute in a sliding mode.
In this preferred scheme, when following the rotation of cam piece, promote the metal ring and take place transverse movement, realize that the cross axle is reciprocating motion along its axial in horizontal cover, the locating pin that the chute cooperation that sets up can make transverse reciprocating motion's cross axle take place to rotate to change the gesture of perforated plate and the rotatory in-process of first stirring bent lever, reach better stirring effect.
As a further optimization of the technical scheme, the reaction kettle for preparing the nano spherical silica dispersion liquid is characterized in that a feed inlet is formed in the top of a kettle cover, and a sealing cover is connected to the feed inlet in a threaded manner.
In this preferred scheme, the reaction material enters into in the interior cauldron jar by the feed inlet, filters the filter residue that produces, can be through opening the blowdown lid, by the blow off pipe discharge.
As a further optimization of the technical scheme, the reaction kettle for preparing the nano spherical silica dispersion liquid comprises a first stirring curved rod, wherein the first stirring curved rod comprises a vertical part connected with a polygonal rod, an arc-shaped part is arranged at the lower part of the vertical part, and a transverse flat part extending transversely is arranged at the upper part of the vertical part.
As a further optimization of the technical scheme, the reaction kettle for preparing the nano spherical silica dispersion liquid is characterized in that a bearing is arranged on the inner circumference of the connecting sleeve, and the inner ring of the bearing is in interference connection with the outer circumferential surface of the transverse shaft.
As a further optimization of the technical scheme, the reaction kettle for preparing the nano spherical silica dispersion liquid is characterized in that a motor is fixed at the top of a kettle cover, and an output shaft of the motor is fixedly connected with the top of a stirring shaft through a coupler.
In summary, the beneficial effects of the application are as follows:
the application provides a reaction kettle for preparing nano spherical silica dispersion liquid, which is characterized in that a first stirring assembly, a second stirring assembly and a third stirring assembly are arranged to stir in multiple directions, so that a more sufficient stirring and mixing effect is realized, more uniform material components are facilitated, a transverse shaft capable of transversely reciprocating and rotating along with small amplitude is arranged, the stirring positions of a first stirring bent rod and a porous plate of a cover plate can be changed, the rotating process gesture of the first stirring bent rod and the porous plate can be changed, more sufficient stirring is realized, the upper surface of a mesh enclosure can be cleaned by combining the third stirring assembly, material accumulation is avoided, the smooth passing of materials with target particle size through the mesh enclosure is facilitated, the arrangement of the second stirring assembly ensures that the materials at the lower part are not deposited, the possibility of material sinking is reduced, and the uniformity of the material components is facilitated to be improved.
Drawings
FIG. 1 is a schematic structural diagram of a reaction kettle for preparing nano spherical silica dispersion liquid;
FIG. 2 is a schematic cross-sectional structure of a reaction kettle for preparing nano spherical silica dispersion liquid;
FIG. 3 is a schematic diagram of the structure of the inner pot of the reaction kettle for preparing the nano spherical silica dispersion liquid;
FIG. 4 is a schematic structural diagram of a stirring mechanism of a reaction kettle for preparing nano spherical silica dispersion liquid;
FIG. 5 is a schematic structural diagram of a second stirring assembly of a reaction kettle for preparing nano spherical silica dispersion liquid according to the present application;
FIG. 6 is a schematic structural diagram of a third stirring assembly of a reaction kettle for preparing nano spherical silica dispersion liquid according to the present application;
fig. 7 is a schematic structural diagram of a third stirring assembly and a first stirring assembly of a reaction kettle for preparing nano spherical silica dispersion liquid according to the present application;
fig. 8 is a schematic diagram of a partial structure of a stirring shaft of a reaction kettle for preparing nano spherical silica dispersion liquid.
In the figure: 1. a kettle body; 101. an electric heating sleeve; 102. an inner kettle tank; 103. ear pieces; 104. a mesh enclosure; 105. a circular support plate; 106. a discharge port; 2. a kettle cover; 201. sealing cover; 3. a stirring mechanism; 301. a motor; 302. a stirring shaft; 3021. a transverse sleeve; 30211. a chute; 3022. a multi-edge bar; 3023. a limiting baffle disc; 3024. an outer toothed ring; 303. a first stirring assembly; 3031. a porous plate; 3032. a horizontal axis; 3033. a first stirring curved bar; 3034. connecting sleeves; 3035. a metal ring; 304. a second stirring assembly; 3041. a conical screw rod; 3042. a second stirring curved bar; 3043. a multi-ribbed sleeve; 3044. a movable sleeve; 30441. an annular cam groove; 305. a third stirring assembly; 3051. a rotating disc; 3052. arc scraping strips; 3053. a gear; 3054. a cam block.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to fig. 1 to 8 in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1-8, a reaction kettle for preparing nano spherical silica dispersion liquid comprises a kettle body 1, wherein a kettle cover 2 is arranged at the top of the kettle body 1, a stirring mechanism 3 is arranged on the kettle cover 2, a discharge hole 106 is arranged at the middle position of the bottom of the kettle body 1, the stirring mechanism 3 comprises a stirring shaft 302 rotatably arranged at the top position of the inner side of the kettle cover 2, a first stirring assembly 303 and a third stirring assembly 305 are arranged at the lower part of the stirring shaft 302, the first stirring assembly 303 comprises a transverse sleeve 3021 arranged on the stirring shaft 302, a transverse shaft 3032 is inserted in the transverse sleeve 3021, two connecting sleeves 3034 are rotatably arranged on the outer peripheral surface of the transverse shaft 3032, the transverse sleeve 3021 is positioned between the two connecting sleeves 3034, one metal ring 3035 is fixedly arranged on the two connecting sleeves 3034, one end of the transverse shaft 3032 is fixedly provided with a first stirring curved rod 3033, the other end of the transverse shaft 3032 is fixedly provided with a porous plate 3031, and the transverse shaft 3032 can slide along the inner wall of the transverse sleeve 3021 along the axial direction thereof;
the third stirring assembly 305 comprises a circular supporting disc 105 fixedly arranged in the inner kettle 102, the stirring shaft 302 penetrates through the circular supporting disc 105, a rotating disc 3051 is rotatably arranged at the top of the circular supporting disc 105, arc scraping strips 3052 distributed in an annular mode are fixedly arranged on the outer circumferential surface of the rotating disc 3051, cam blocks 3054 are arranged at the top of the rotating disc 3051, through holes for the stirring shaft 302 to penetrate through are formed in the cam blocks 3054 and the rotating disc 3051, a circular groove is formed in the bottom of the third stirring assembly 305, an inner gear ring is embedded in the circular groove, an outer gear ring 3024 is arranged at the position, close to the inner position of the circular groove, of the stirring shaft 302, gears 3053 distributed in an annular mode are rotatably arranged at the position, close to the inner gear ring 3024, of the top of the circular supporting disc 105, the gears 3053 are meshed with the outer gear ring 3024 and the inner gear ring, the gears 3053 are driven to rotate along with the stirring shaft 302, the inner gear ring 3053 is driven to rotate, the rotating disc 3051 is driven to rotate, accordingly, the transverse shafts 3051 are driven to rotate, the rotating discs are driven to rotate, the inner gear bars are driven to rotate, an inner gear ring 3022 is driven to rotate, an inner gear ring 3022, and the metal bar is driven to rotate, and the stirring shaft is driven to rotate, and the metal bar is driven to rotate correspondingly, and the inner ring 3055, and the metal bar is driven to rotate correspondingly, and the inner ring is driven to rotate correspondingly, and the metal bar 3055, and the metal ring 3053 and the rotating ring can rotate correspondingly, and the rotating ring 3032, and the inner ring and better and can rotate and better and the metal ring and the rotating and can rotate and the rotating ring and better.
Referring to fig. 2 and fig. 3, the inner wall of the inner tank 102 is provided with a mesh enclosure 104 near the lower position of the arc scraping strip 3052, the top of the mesh enclosure 104 is fixedly connected with a circular supporting disc 105, the arc scraping strip 3052 is in contact with the top of the mesh enclosure 104, the side wall of the inner tank 102 is provided with a drain outlet communicated with the inner part of the inner tank near the lower edge upper position of the mesh enclosure 104, a drain cover is fixed in the drain outlet, the mesh enclosure 104 is arranged to filter nano spherical silica generated by reaction, and the surface of the mesh enclosure 104 can be cleaned by the arc scraping strip 3052 to avoid material accumulation.
Referring to fig. 2, fig. 4 and fig. 5, the bottom of the stirring shaft 302 is provided with a second stirring assembly 304 near the inner side of the mesh enclosure 104, the second stirring assembly 304 includes a multi-edge rod 3022 disposed at the lower part of the stirring shaft 302, the multi-edge rod 3022 is coaxially disposed with the stirring shaft 302, a limiting baffle disc 3023 is fixed at the bottom of the multi-edge rod 3022, a multi-edge sleeve 3043 is sleeved on the multi-edge rod 3022, the outer circumferential surface of the multi-edge sleeve 3043 is provided with a second stirring curved rod 3042 distributed in an equidistance and in an annular shape, the top of the multi-edge sleeve 3043 is fixed with a movable sleeve 3044, the lower part of the circular supporting disc 105 is provided with an annular protrusion, the annular protrusion is coaxially disposed with the stirring shaft 302, the movable sleeve 3044 is sleeved on the annular protrusion, the inner wall of the movable sleeve 3044 is provided with an annular cam groove 30441, a protruding pin is disposed on the outer circumferential surface of the annular cam groove, and the protruding pin is slidably disposed in the annular cam groove 30441, and the disposed second stirring assembly 304 can stir the filtered materials, thereby reducing the precipitation of the materials and avoiding the precipitation of the materials.
Referring to fig. 5, a tapered screw 3041 is disposed on the outer peripheral surface of the polygonal sleeve 3043, and the tapered screw 3041 helps to turn up the bottom material, so as to effectively reduce the possibility of material deposition.
Referring to fig. 1, an electric heating sleeve 101 is arranged outside the inner kettle 102, ear blocks 103 distributed in an annular shape are arranged at the top of the inner kettle 102, mounting holes are formed in the ear blocks 103, the inner kettle 102 is heated through the electric heating sleeve so as to achieve the required reaction temperature, and the ear blocks 103 are fixedly mounted with a bracket of a production place.
Referring to fig. 8, a spiral extending chute 30211 is disposed on the inner side of the transverse sleeve 3021, a positioning pin matched with the chute 30211 is disposed on the outer wall of the transverse shaft 3032, and the positioning pin is slidably disposed in the chute 30211, when the metal ring 3035 is pushed to move transversely along with the rotation of the cam block 3054, the transverse shaft 3032 reciprocates in the transverse sleeve 3021 along the axial direction thereof, and the transverse shaft 3032 of the transverse reciprocating motion is rotated by the disposed chute 30211 in cooperation with the positioning pin, so that the postures of the porous plate 3031 and the first stirring curved rod 3033 in the rotation process are changed, and a better stirring effect is achieved.
Referring to fig. 1, a feed port is provided at the top of the kettle cover 2, a sealing cover 201 is screwed on the feed port, the reaction material enters the inner kettle 102 from the feed port, and the filter residue generated by filtration can be discharged from a drain pipe by opening the drain cover.
Referring to fig. 4 and 7, the first stirring bar 3033 includes a vertical portion connected to the multi-ribbed bar 3022, and an arc portion is provided at a lower portion of the vertical portion and a transverse flat portion extending transversely is provided at an upper portion of the vertical portion.
The inner circumference of the connecting sleeve 3034 is provided with a bearing, and the inner ring of the bearing is in interference connection with the outer circumferential surface of the transverse shaft 3032.
Referring to fig. 1, a motor 301 is fixed at the top of the kettle cover 2, and an output shaft of the motor 301 is fixedly connected with the top of a stirring shaft 302 through a coupling.
Working principle: in the installation process, a supporting frame meeting the height requirement is erected in a target production workshop, a device is installed at a corresponding position by a lug 103 which is matched with the supporting frame, an adaptive discharge valve is installed below a discharge hole 106, a pneumatic butterfly valve is preferably selected, then electric connection of a motor 301, an electric jacket 101 and the like is carried out, in the production process, a sealing cover 201 is opened to throw materials to be reacted into an inner kettle 102 through a feed inlet, the electric jacket 101 is controlled to heat the materials in the inner kettle 102 to reach a proper reaction temperature, a stirring shaft 302 can be driven to rotate by controlling the motor 301 to drive a first stirring assembly 303, a second stirring assembly 304 and a third stirring assembly 305 which are arranged on the stirring shaft 302 to rotate, a transverse shaft 3032 rotates together with the stirring shaft 302 under the action of a transverse jacket 3021 in the rotation process, then under the action of an outer tooth ring 3024 which is arranged, under the action of a plurality of gears 3053 and an inner gear ring, the rotating disc 3051 is driven to rotate, so that the arc scraping strip 3052 is driven to rotate, materials at the top of the net cover 104 can be cleaned, material blocking is avoided, then under the action of the gears 3053, the rotating disc 3051 and the outer gear ring 3024 are opposite in rotating direction and different in speed, materials disturbed by the arc scraping strip 3052 and the first stirring assembly 303 are opposite in opposite, the mixing effect is better, meanwhile, the cam block 3054 in the rotating process can push the metal ring 3035 to move, so that the transverse shaft 3032 can transversely reciprocate in the transverse sleeve 3021, the positions of the porous plate 3031 and the first stirring curved rod 3033 are changed, the stirring position is changed, the better stirring effect is achieved, meanwhile, the chute 30211 arranged in the transverse sleeve 3021 can be enabled to rotate in a moving mode in the reciprocating process along with the reciprocating motion of the transverse shaft 3032, thereby change the angle of perforated plate 3031 and first stirring curved bar 3033, the material passes the bottom that the cauldron jar 102 was gone into after the screen panel 104, under the effect of second stirring subassembly 304, can avoid its sunk, along with the rotation of (mixing) shaft 302, second stirring curved bar 3042 and conical screw 3041 in the second stirring subassembly 304 follow the rotation of many arriss sleeve pipe 3043 together, the material to the bottom is disturbed, the movable sleeve 3044 of setting simultaneously, annular cam groove 30441 and the protruding round pin of cooperation setting, can realize its periodic up-and-down motion in vertical direction along with the rotation of movable sleeve 3044, thereby change the stirring region of second stirring subassembly 304, reduce the stirring dead angle, the stirring is more abundant.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be capable of being practiced otherwise than as specifically illustrated and described. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, who is within the scope of the present application, should make equivalent substitutions or modifications according to the technical scheme of the present application and the inventive concept thereof, and should be covered by the scope of the present application.
Claims (8)
1. The utility model provides a reation kettle is used in preparation of nanometer spherical silica dispersion, includes the cauldron body (1), cauldron body (1) top is provided with kettle cover (2), its characterized in that: the stirring device comprises a kettle cover (2), wherein a stirring mechanism (3) is arranged on the kettle cover (2), a discharge hole (106) is formed in the middle position of the bottom of the kettle body (1), the stirring mechanism (3) comprises a stirring shaft (302) which is rotatably arranged at the top position of the inner side of the kettle cover (2), a first stirring assembly (303) and a third stirring assembly (305) are arranged at the lower part of the stirring shaft (302), the first stirring assembly (303) comprises a transverse sleeve (3021) arranged on the stirring shaft (302), a transverse shaft (3032) is inserted in the transverse sleeve (3021), two connecting sleeves (3034) are rotatably arranged on the outer peripheral surface of the transverse shaft (3032), the transverse sleeve (3021) is arranged between the two connecting sleeves (3034), one metal ring (3035) is fixedly arranged on the two connecting sleeves (3034), one end of the transverse shaft (3032) is fixedly provided with a first stirring curved rod (3033), and the other end of the transverse shaft (3032) is fixedly provided with a porous plate (3031), and the transverse shaft (3032) can slide along the axial direction of the inner wall (3021).
The third stirring assembly (305) comprises a circular supporting disc (105) fixedly arranged in the inner kettle tank (102), the stirring shaft (302) penetrates through the circular supporting disc (105), a rotating disc (3051) is rotatably arranged at the top of the circular supporting disc (105), arc scraping strips (3052) which are distributed in an annular mode at equal intervals are fixedly arranged on the outer circumferential surface of the rotating disc (3051), a cam block (3054) is arranged at the top of the rotating disc (3051), through holes for the stirring shaft (302) to penetrate through are formed in the cam block (3054) and the rotating disc (3051), a circular groove is formed in the bottom of the third stirring assembly (305), an inner gear ring is embedded in the circular groove, an outer gear ring (3024) is arranged at the position, close to the inner part of the circular groove, of the stirring shaft (302), a gear (3053) which is distributed in an annular mode at equal intervals is rotatably arranged between the position, close to the outer gear ring (3024) and the inner gear ring, the top of the circular supporting disc (105), the gear (3053) is meshed with the outer gear ring (3024) and the inner gear ring (3024), the inner gear ring (3022) is meshed with the inner wall of the inner wall (104) close to the circular scraping strips (104), the inner wall (104) and the circular scraping strips (104) are fixedly arranged at the position, and the position, close to the inner wall (104), a drain outlet communicated with the inside of the inner kettle tank (102) is arranged at the upper part of the side wall of the inner kettle tank, which is close to the lower edge of the mesh enclosure (104), and a drain cover is fixed in the drain outlet;
the stirring device is characterized in that a second stirring assembly (304) is arranged at the bottom of the stirring shaft (302) close to the inner side of the mesh enclosure (104), the second stirring assembly (304) comprises a multi-edge rod (3022) arranged at the lower part of the stirring shaft (302), the multi-edge rod (3022) and the stirring shaft (302) are coaxially arranged, a limiting baffle disc (3023) is fixed at the bottom of the multi-edge rod (3022), a multi-edge sleeve (3043) is sleeved on the multi-edge rod (3022), second stirring curved rods (3043) distributed in an annular mode are arranged on the outer circumferential surface of the multi-edge sleeve (3043) in an equidistant mode, a movable sleeve (3044) is fixed at the top of the multi-edge sleeve (3043), annular protrusions are arranged on the lower part of the circular supporting disc (105), the annular protrusions are coaxially arranged with the stirring shaft (302), the movable sleeve (3044) is sleeved on the annular protrusions, annular cam grooves (30441) are arranged on the inner walls of the movable sleeve (3044), and protruding pins are arranged on the outer circumferential surfaces of the annular protrusions in the annular cam grooves (30441).
2. The reaction kettle for preparing a nano-spherical silica dispersion according to claim 1, wherein a conical screw (3041) is provided on the outer peripheral surface of the polygonal sleeve (3043).
3. The reaction kettle for preparing the nano spherical silica dispersion liquid according to claim 1, wherein an electric heating sleeve (101) is arranged outside the inner kettle tank (102), ear blocks (103) distributed in an annular shape at equal distance are arranged at the top of the inner kettle tank (102), and mounting holes are formed in the ear blocks (103).
4. A reaction kettle for preparing a nano spherical silica dispersion according to claim 3, wherein a chute (30211) extending in a spiral shape is arranged on the inner side of the transverse sleeve (3021), a positioning pin matched with the chute (30211) is arranged on the outer wall of the transverse shaft (3032), and the positioning pin is slidably arranged in the chute (30211).
5. The reaction kettle for preparing the nano spherical silica dispersion liquid according to claim 1, wherein a feed port is arranged at the top of the kettle cover (2), and a sealing cover (201) is connected to the feed port in a threaded manner.
6. The reaction kettle for preparing the nano-spherical silica dispersion liquid according to claim 1, wherein the first stirring curved rod (3033) comprises a vertical part connected with the polygonal rod (3022), an arc-shaped part is arranged at the lower part of the vertical part, and a transverse flat part extending transversely is arranged at the upper part of the vertical part.
7. The reaction kettle for preparing the nano spherical silica dispersion liquid according to claim 1, wherein a bearing is arranged on the inner circumference of the connecting sleeve (3034), and the inner ring of the bearing is in interference connection with the outer circumference of the transverse shaft (3032).
8. The reaction kettle for preparing the nano spherical silica dispersion liquid according to claim 1, wherein a motor (301) is fixed at the top of the kettle cover (2), and an output shaft of the motor (301) is fixedly connected with the top of a stirring shaft (302) through a coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310144470.4A CN116328686B (en) | 2023-02-21 | 2023-02-21 | Reaction kettle for preparing nano spherical silicon dioxide dispersion liquid |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310144470.4A CN116328686B (en) | 2023-02-21 | 2023-02-21 | Reaction kettle for preparing nano spherical silicon dioxide dispersion liquid |
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| CN116328686B true CN116328686B (en) | 2023-11-24 |
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| CN116328686A (en) | 2023-06-27 |
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