CN117138725A - High-shear mixing tubular reactor - Google Patents
High-shear mixing tubular reactor Download PDFInfo
- Publication number
- CN117138725A CN117138725A CN202311377607.7A CN202311377607A CN117138725A CN 117138725 A CN117138725 A CN 117138725A CN 202311377607 A CN202311377607 A CN 202311377607A CN 117138725 A CN117138725 A CN 117138725A
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- shearing
- reaction tube
- tubular reactor
- fixed
- high shear
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- 238000002156 mixing Methods 0.000 title claims abstract description 34
- 238000006243 chemical reaction Methods 0.000 claims abstract description 86
- 238000010008 shearing Methods 0.000 claims abstract description 67
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 210000001503 joint Anatomy 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 13
- 238000003032 molecular docking Methods 0.000 claims description 4
- 239000002994 raw material Substances 0.000 abstract description 34
- 230000000712 assembly Effects 0.000 abstract description 10
- 238000000429 assembly Methods 0.000 abstract description 10
- 239000011229 interlayer Substances 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009775 high-speed stirring Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000003466 welding Methods 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
- B01J19/1812—Tubular reactors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention belongs to the technical field of tubular reactors, and particularly relates to a high-shear mixed tubular reactor which comprises a reaction tube and a mixing mechanism, wherein a heat conduction channel with a spiral structure is arranged in an interlayer of the reaction tube, opposite connection plates are respectively arranged at the upper end and the lower end of the heat conduction channel, sealing covers are arranged at the top of the opposite connection plates through sealing gaskets and fasteners, and feeding tubes are fixed at the two sides of the opposite connection plates. According to the invention, raw materials to be mixed and reacted are introduced into a reaction tube, a mixing mechanism is started to drive three groups of shearing assemblies to rotate anticlockwise, the three groups of shearing assemblies can drive a rotating disc which is distributed in an up-down staggered manner to rapidly realize raw material pulling through transverse shearing grooves, and simultaneously, the rotating disc can drive the raw materials at the bottom of the tubular reactor to continuously and upwardly swing and shear through oblique shearing strips, so that the high-efficiency shearing and mixing of the combination of horizontal pulling shearing and continuous upwardly swing shearing are realized through the three groups of shearing assemblies which are distributed in a staggered manner.
Description
Technical Field
The invention belongs to the technical field of tubular reactors, and particularly relates to a high-shear mixing tubular reactor.
Background
Compared with the traditional reaction kettle, the tubular reactor has larger specific surface area, so that the heat exchange efficiency is higher, the accurate control of time can be realized, and the reaction of a certain part of the tubular reactor can be better mastered. The tubular reactor is a continuous reactor with long pipe shape and large length-diameter ratio, and the back mixing of the tubular reactor is small, so that the tubular reactor has high volumetric efficiency, and is particularly suitable for occasions requiring higher conversion rate or serial side reactions.
The patent with publication number CN114177841A discloses a high-shear mixing tubular reactor, which drives a built-in rotating shaft to rotate through a driving mechanism, so that high-shear dispersion force is generated, flow mixing of solid and high-viscosity materials can be promoted, and the mixing efficiency is higher.
Above-mentioned patent adopts the cooperation of axis of rotation and screw thread, can only drive the material of mixing and produce rotatory dispersion, and the shearing action of this kind of dispersion relies on the circulation of material to realize the shearing action, when high viscosity material flows, can't carry out high-efficient pulling to the raw materials, and then can't guarantee that the material of horizontal position in the reaction tube and the material of upper and lower position produce efficient shearing mixing action.
Disclosure of Invention
The invention aims to provide a high-shear mixing tubular reactor so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the high shear mixing tubular reactor comprises a reaction tube and a mixing mechanism, wherein a heat conduction channel with a spiral structure is arranged in an interlayer of the reaction tube, the upper end and the lower end of the heat conduction channel are respectively provided with a butt joint disc, the top of the butt joint disc is provided with a sealing cover through a sealing gasket and a fastener, two sides of the butt joint disc are fixedly provided with feeding tubes, the top end openings of the feeding tubes penetrate through and extend out of the sealing cover,
the reaction tube is internally provided with a mixing mechanism, the mixing mechanism consists of a rotating shaft, gears, fluted discs, a driving motor and a shearing assembly, three rotating shafts are connected between the bottom of the inner side of the reaction tube and the butt joint disc through bearings, the tops of the three rotating shafts are provided with the gears, the outer sides of the gears are sleeved with the fluted discs which are meshed with the driving motor on the sealing cover, and the outer sides of the rotating shafts are provided with the shearing assembly;
the shearing assembly comprises a rotary table, transverse shearing grooves, oblique shearing strips and leakage holes, wherein the rotary table is fixed on the outer wall of the rotary shaft at equal intervals, the transverse shearing grooves are formed in the outer side face of the rotary table, the oblique shearing strips are arranged on the upper side face of the rotary table, and the leakage holes are formed in the surface, close to the bottoms of the oblique shearing strips, of the rotary table.
Preferably, the three rotating shafts are distributed at equal included angles with respect to the axis of the reaction tube, and the turntables on the three rotating shafts are sequentially distributed in a staggered and parallel manner.
Preferably, the transverse shearing groove is of a continuous step-shaped arc-shaped surface structure, the oblique shearing strips are obliquely arranged, and the oblique shearing strips are distributed on the upper surface of the turntable at equal included angles.
Preferably, the upper side and the lower side of the rotating shaft in the reaction tube are respectively fixed with a chain wheel, the chain wheels are meshed and butted with the connecting columns, the connecting columns are fixed at the middle part of the supporting ring, the outer side of the supporting ring is sleeved with a ring rack, the ring rack is butted with the gaps of two adjacent connecting columns through the clamping teeth of the inner wall, the outer wall of the ring rack is welded with a connecting plate, the connecting plate is butted with the transverse plates through rotating pins, and the transverse plates are fixed at the edges of the two sides of the arc-shaped plates.
Preferably, the fin plates are welded and fixed on the inner wall of the arc-shaped plate, and the scraping plates are fixed on the surface of the transverse plate at the bottom of the arc-shaped plate.
Preferably, a liquid storage tank is fixed at the bottom of the reaction tube, a water pump is installed in the liquid storage tank, and a conversion seat is fixed at the end part of an output tube of the water pump.
Preferably, a sealing plug is arranged in the conversion seat, the conversion seat adopts a three-way opening structure, a switching motor is arranged on one side of the conversion seat, and an output shaft of the switching motor is fixed with the side face of the sealing plug.
Preferably, the transverse opening of the conversion seat is communicated with the end part of the output pipe of the water pump, the top opening of the conversion seat is communicated with the discharging channel at the lower side of the reaction pipe, the bottom opening of the conversion seat is communicated with the discharging pipe, and the outer side of the discharging channel is provided with an electric control valve.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, raw materials to be mixed and reacted are introduced into a reaction tube, a mixing mechanism is started to drive three groups of shearing assemblies to rotate anticlockwise, the three groups of shearing assemblies can drive a rotating disc which is distributed in an up-down staggered manner to rapidly pull the raw materials through transverse shearing grooves, and meanwhile, the rotating disc can drive the raw materials at the bottom of the tubular reactor to continuously and upwardly swing and shear through oblique shearing strips, so that the high-efficiency shearing and mixing of the combination of horizontal pulling shearing and continuous upwardly swing shearing are realized through the three groups of shearing assemblies which are distributed in a staggered manner;
2. when the arc plate is swung and rotated, the arc plate gathers the mixed raw materials inwards through the fins distributed on the inner wall at equal intervals, and the mixing mechanism drives the opposite shearing assembly to stir the raw materials from the center of the reaction tube to the periphery, so that the raw materials can be pushed to gather towards the center of the reaction tube through the actions of the arc plate and the fins, and the periphery of the reaction tube and the raw materials at the center can be impacted mutually in the horizontal direction;
3. when the materials are discharged, the water in the liquid storage tank can cool the mixed materials during discharging, so that the cooling time of the collected materials is reduced; when the inner wall of the reaction tube needs to be cleaned, the sealing plug in the conversion seat is driven to rotate clockwise by 90 degrees through the forward rotation of the switching motor, so that the bottom opening of the material outlet channel is communicated with the transverse opening of the conversion seat, at the moment, the water suction pump is started to pump water into the reaction tube reversely, and the inner wall of the reaction tube and other rotating parts can be cleaned under the operation auxiliary effect of the mixing mechanism.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;
FIG. 2 is a schematic top view of the docking tray of the present invention;
FIG. 3 is a schematic top view cross-sectional structure of the reaction tube of the present invention;
FIG. 4 is a schematic top view cross-sectional structure of a reactor tube without a shear assembly according to the present invention;
FIG. 5 is a schematic top view of the shear assembly of the present invention;
FIG. 6 is a schematic diagram of the front view of the shear assembly of the present invention;
FIG. 7 is a schematic view of a partial enlarged structure of the present invention at A in FIG. 1;
fig. 8 is a schematic right-side cross-sectional structure of the conversion seat of the present invention.
In the figure: 1. a reaction tube; 11. a heat conduction channel; 12. a butt joint disc; 13. a cover; 14. a feeding tube; 2. a mixing mechanism; 21. a rotation shaft; 22. a gear; 23. fluted disc; 24. a driving motor; 25. a shear assembly; 251. a turntable; 252. transverse cutting grooves; 253. oblique shearing strips; 254. a material leakage hole; 3. a sprocket; 31. a connecting column; 32. a backing ring; 33. a ring rack; 34. a connecting plate; 35. a cross plate; 36. an arc-shaped plate; 37. a fin plate; 38. a scraper; 4. a liquid storage tank; 5. a water pump; 6. a conversion seat; 61. a sealing plug; 62. switching the motor; 7. a discharge channel; 71. an electric control valve; 8. and a discharge pipe.
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.
Referring to fig. 1, 2, 3, 5 and 6, the present invention provides a technical solution: the high shear mixing tubular reactor comprises a reaction tube 1 and a mixing mechanism 2, wherein a heat conduction channel 11 with a spiral structure is arranged in an interlayer of the reaction tube 1, a butt joint disc 12 is respectively arranged at the upper end and the lower end of the heat conduction channel 11, a sealing cover 13 is arranged at the top of the butt joint disc 12 through a sealing gasket and a fastener, a feeding tube 14 is fixed at two sides of the butt joint disc 12, the top opening of the feeding tube 14 penetrates through and extends out of the sealing cover 13, the reaction tube 1 is of a long tube structure made of stainless steel materials, the mixing mechanism 2 is arranged in the reaction tube 1, the mixing mechanism 2 consists of a rotating shaft 21, a gear 22, a fluted disc 23, a driving motor 24 and a shearing assembly 25, three rotating shafts 21 are connected between the bottom of the inner side of the reaction tube 1 and the butt joint disc 12 through bearings, the top of the three rotating shafts 21 is provided with the gear 22, the fluted disc 23 is sleeved and meshed with the driving motor 24 on the sealing cover 13, and the outer side of the rotating shaft 21 is provided with the shearing assembly 25;
the shearing assembly 25 comprises a turntable 251, a transverse shearing groove 252, an oblique shearing strip 253 and a material leakage hole 254, wherein the turntable 251 is fixed on the outer wall of the rotary shaft 21 at equal intervals, the transverse shearing groove 252 is formed in the outer side surface of the turntable 251, the oblique shearing strip 253 is arranged on the upper side surface of the turntable 251, and the material leakage hole 254 is formed in the surface of the turntable 251, which is close to the bottom of the oblique shearing strip 253.
Referring to fig. 5 and 6, three rotation shafts 21 are distributed at equal angles with respect to the axis of the reaction tube 1, and the turnplates 251 on the three rotation shafts 21 are sequentially distributed in parallel in a staggered manner; the transverse shearing grooves 252 are of continuous stepped arc-shaped surface structures, the inclined shearing strips 253 are obliquely arranged, and the inclined shearing strips 253 are distributed on the upper surface of the turntable 251 at equal included angles.
In specific implementation, raw materials to be mixed and reacted are led in along two charging pipes 14, a driving motor 24 is started, the driving motor 24, and the output end of the driving motor 24 drives a fluted disc 23 to rotate, so that a tooth block on the inner side of the fluted disc 23 is meshed with three gears 22 for transmission, the three gears 22 respectively drive three rotating shafts 21 to rotate in an accelerating way, and the rotating shafts 21 drive shearing assemblies 25 distributed at equal intervals to rotate anticlockwise to realize high-speed stirring of the mixed raw materials;
when the three shearing assemblies 25 on the three rotating shafts 21 synchronously rotate, the three shearing assemblies 25 can drive the transverse shearing grooves 252 on the outer wall of the turntable 251 to horizontally shear the mixed raw materials when rotating, and as the transverse shearing grooves 252 with continuous stepped arc-shaped surface structures can horizontally pull the raw materials with high viscosity when shearing the raw materials, the turntable 251 on the three rotating shafts 21 are in staggered parallel distribution in sequence, and the rotating tangential directions of the adjacent turntable 251 on the two rotating shafts 21 which are close to each other are opposite, the turntable 251 distributed in a vertical staggered manner can rapidly pull the raw materials through the transverse shearing grooves 252;
meanwhile, the rotating turntable 251 can scrape the mixed raw materials through the upper inclined shearing strip 253, so that the raw materials can swing and shear obliquely upwards, and when shearing, the raw materials are lifted upwards and impact the turntable 251 positioned on the upper layer, so that the raw materials positioned on the surface of the lower layer of turntable 251 are lifted upwards along the inclined shearing strip 253 to be sheared and thrown upwards, the lifted raw materials are adsorbed into the material leakage holes 254 on the surface of the upper layer of turntable 251, and then the raw materials in the material leakage holes 254 are driven to continuously swing and impact obliquely upwards when the upper layer of turntable 251 rotates, so that the raw materials at the bottom of the invention can continuously swing and shear upwards, and the sheared raw materials move from bottom to top, so that the invention realizes horizontal pulling shearing and continuous upward swing shearing through the three groups of shearing assemblies 25 distributed in a staggered manner.
Referring to fig. 1 and 4, sprockets 3 are fixed on both upper and lower sides of a rotary shaft 21 in a reaction tube 1, the sprockets 3 are engaged with a connecting column 31, and the connecting column 31 is fixed in the middle of a supporting ring 32;
the outside cover of backing ring 32 is equipped with ring rack 33, and ring rack 33 passes through the latch of inner wall and the clearance butt joint of two adjacent spliced poles 31, and the outer wall welding of ring rack 33 has connecting plate 34, and two sets of ring racks 33 pass through the ball respectively with the lower wall face of reaction tube 1 and the upper wall face of butt joint dish 12 be rolling swivelling joint, connecting plate 34 passes through swivel pin and diaphragm 35 butt joint, and diaphragm 35 is fixed at the both sides edge of arc 36.
In specific implementation, when the three rotating shafts 21 are driven to rotate by the mixing mechanism 2, the three rotating shafts 21 are meshed with the inner side of the connecting column 31 in the middle of the supporting ring 32 through the chain wheel 3, so that the supporting ring 32 rotates, the supporting ring 32 is meshed with the eccentrically distributed ring racks 33 through the outer side of the connecting column 31, the ring racks 33 drive the connecting plate 34 to rotate, and as the circle centers of the ring racks 33 are not on the axis of the reaction tube 1, the vertical distances from the outer wall of the ring racks 33 to the inner wall of the reaction tube 1 are different, and therefore, when the ring racks 33 drive the connecting plate 34 to rotate, the transverse plate 35 and the arc plate 36 are driven to centrifugally swing;
the transverse plate 35 is movably connected with the connecting plate 34 through a single rotating pin, so that the arc-shaped connecting plate 34 can rotate around the rotating pin, the front side edge of the arc-shaped plate 36 is attached to the inner wall of the reaction tube 1 under the centrifugal action to scrape materials during rotation, and the inner wall of the reaction tube 1 can be prevented from adhering to raw materials during rotation of the arc-shaped plate 36 due to the longer length of the inner wall of the reaction tube 1;
because the diameter of the supporting ring 32 is larger than the diameter of the sprocket wheel 3 at the outer side of the rotating shaft 21, primary speed reduction can be realized when the sprocket wheel 3 drives the supporting ring 32 to rotate, and the diameter of the supporting ring 32 is smaller than the diameter of the ring rack 33, so that secondary speed reduction can be realized when the supporting ring 32 drives the ring rack 33 to rotate through the connecting column 31, and extrusion force can be relieved when the ring rack 33 rotates to drive the arc-shaped plate 36 to abut against the inner wall of the reaction tube 1.
Referring to fig. 1, 3 and 4, fin plates 37 are welded and fixed on the inner wall of the arc plate 36, scraping plates 38 are fixed on the surface of a transverse plate 35 at the bottom of the arc plate 36, the fin plates 37 are equidistantly distributed, the fin plates 37 are obliquely arranged, and the arc plate 36 and the annular rack 33 are eccentrically distributed.
In the concrete implementation, since the inclined fin plates 37 are welded on the inner wall of the arc plate 36, when the arc plate 36 swings and rotates, the arc plate 36 and the inner wall of the reaction tube 1 generate a circulation process of increasing the thrust force to be reduced by the equidistant distributed fin plates 37 on the inner wall, so that the rotating arc plate 36 can vibrate the inner wall of the reaction tube 1, the scraper 38 is fixed on the surface of the cross plate 35, the scraper 38 can scrape the raw material at the bottom of the reaction tube 1 to move, and vibration shaking and scraping discharge can be realized during discharging.
Referring to fig. 1, 7 and 8, a liquid storage tank 4 is fixed at the bottom of a reaction tube 1, a water pump 5 is installed in the liquid storage tank 4, a conversion seat 6 is fixed at the end part of an output tube of the water pump 5, a sealing plug 61 is arranged in the conversion seat 6, the conversion seat 6 adopts a three-way opening structure, a switching motor 62 is installed at one side of the conversion seat 6, and an output shaft of the switching motor 62 is fixed with the side surface of the sealing plug 61; the inner cavity of the conversion seat 6 is of a spherical structure, the sealing plug 61 is of a U-shaped structure, one side of the sealing plug 61 is of an arc-shaped surface, and the inner cavity of the conversion seat 6 is attached to the arc-shaped surface of the sealing plug 61;
the transverse opening of the conversion seat 6 is communicated with the end part of an output pipe of the water suction pump 5, the top opening of the conversion seat 6 is communicated with a discharge channel 7 at the lower side of the reaction pipe 1, the bottom opening of the conversion seat 6 is communicated with a discharge pipe 8, an electric control valve 71 is arranged at the outer side of the discharge channel 7, one end of the discharge pipe 8 penetrates through the outer side of the liquid storage tank 4, one side, far away from the discharge pipe 8, of the liquid storage tank 4 is provided with a water adding pipe, and water supplementing operation can be carried out inside the liquid storage tank 4 through the water adding pipe.
In the specific implementation, when the mixed and reacted raw materials need to be discharged, the electric control valve 71 is started, so that the raw materials in the reaction tube 1 are discharged along the discharge channel 7, the conversion seat 6 and the discharge tube 8;
when the inner wall of the reaction tube 1 needs to be cleaned after the materials are discharged, the switching motor 62 is started to rotate positively, the output end of the switching motor 62 drives the sealing plug 61 in the conversion seat 6 to rotate 90 degrees clockwise, so that the arc surface of the sealing plug 61 plugs the upper end opening of the discharge tube 8, the bottom opening of the material outlet channel 7 is communicated with the transverse opening of the conversion seat 6, at the moment, the water pump 5 is started to introduce the water used for cleaning in the liquid storage tank 4 into the inner cavity of the conversion seat 6 along the output tube of the water pump 5, at the moment, the water of the conversion seat 6 can be reversely pumped into the reaction tube 1 along the discharge channel 7, and the inner wall and other rotating parts of the reaction tube 1 can be cleaned under the operation auxiliary effect of the mixing mechanism 2;
when raw materials are discharged along the discharge pipe 8, the water in the liquid storage tank 4 can cool down the mixed materials during discharge, so that the discharged materials can quickly approach room temperature, and the cooling of the collected materials is reduced.
In summary, the raw materials to be mixed and reacted are led in along the two charging pipes 14, the driving motor 24 is started, the output end of the driving motor 24 drives the mixing mechanism 2 to stir the multiple raw materials in the reaction pipe 1 at a high speed, hot water is added along the heat conducting channel 11 of the spiral structure when the raw materials are mixed and reacted, and the mixing reaction process is heated, so as to improve the reaction rate, after the reaction is completed, the electric control valve 71 is started, and the output end of the switching motor 62 of the switching seat 6 drives the sealing plug 61 to rotate, so that the openings on the upper side and the lower side of the switching seat 6 are communicated, and the raw materials in the reaction pipe 1 are discharged along the discharging channel 7, the switching seat 6 and the discharging pipe 8, which are not described in detail in the description belong to the prior art known to those skilled in the art.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (8)
1. The utility model provides a high shear mixing's tubular reactor, includes reaction tube (1) and mixing mechanism (2), be provided with heat conduction channel (11) of helicitic texture in the intermediate layer of reaction tube (1), and the upper and lower both ends of heat conduction channel (11) are provided with docking dish (12) respectively, closing cap (13) are installed through sealed pad and fastener in the top of docking dish (12), both sides of docking dish (12) are fixed with filling tube (14), and the top opening of filling tube (14) runs through and stretches out closing cap (13), its characterized in that:
the reaction tube (1) is internally provided with a mixing mechanism (2), the mixing mechanism (2) consists of a rotating shaft (21), gears (22), a fluted disc (23), a driving motor (24) and a shearing assembly (25), three rotating shafts (21) are connected between the bottom of the inner side of the reaction tube (1) and a butt joint disc (12) through bearings, the tops of the three rotating shafts (21) are provided with the gears (22), the outer side of the gears (22) is sleeved with the fluted disc (23), the fluted disc (23) is in butt joint with the driving motor (24) on a sealing cover (13), and the outer side of the rotating shaft (21) is provided with the shearing assembly (25);
the shearing assembly (25) comprises a rotary table (251), transverse shearing grooves (252), oblique shearing strips (253) and material leakage holes (254), wherein the rotary table (251) is fixed on the outer wall of the rotary shaft (21) at equal intervals, the transverse shearing grooves (252) are formed in the outer side face of the rotary table (251), the oblique shearing strips (253) are arranged on the upper side face of the rotary table (251), and the material leakage holes (254) are formed in the surface, close to the bottoms of the oblique shearing strips (253), of the rotary table (251).
2. A high shear mixed tubular reactor according to claim 1, wherein: the three rotating shafts (21) are distributed at equal included angles relative to the axial lead of the reaction tube (1), and the turntables (251) on the three rotating shafts (21) are distributed in parallel in a staggered manner in sequence.
3. A high shear mixed tubular reactor according to claim 1, wherein: the transverse shearing grooves (252) are of continuous step-shaped arc-shaped surface structures, the oblique shearing strips (253) are obliquely arranged, and the oblique shearing strips (253) are distributed on the upper surface of the turntable (251) in equal included angles.
4. A high shear mixed tubular reactor according to claim 1, wherein: sprocket (3) are fixed on the upper side and the lower side of a rotating shaft (21) in a reaction tube (1), the sprocket (3) is meshed with a connecting column (31) in a butt joint mode, the connecting column (31) is fixed in the middle of a supporting ring (32), a ring rack (33) is sleeved on the outer side of the supporting ring (32), the ring rack (33) is in butt joint with gaps of two adjacent connecting columns (31) through clamping teeth of the inner wall, a connecting plate (34) is welded on the outer wall of the ring rack (33), the connecting plate (34) is in butt joint with a transverse plate (35) through a rotating pin, and the transverse plate (35) is fixed on two side edges of an arc plate (36).
5. A high shear mixed tubular reactor according to claim 4, wherein: the inner wall of the arc-shaped plate (36) is fixedly welded with a fin plate (37), and a scraper (38) is fixedly arranged on the surface of a transverse plate (35) at the bottom of the arc-shaped plate (36).
6. A high shear mixed tubular reactor according to claim 1, wherein: the bottom of the reaction tube (1) is fixedly provided with a liquid storage tank (4), a water pump (5) is arranged in the liquid storage tank (4), and a conversion seat (6) is fixed at the end part of an output tube of the water pump (5).
7. A high shear mixed tubular reactor according to claim 6, wherein: the inside of change over seat (6) is provided with sealing plug (61), and change over seat (6) adopts tee bend opening structure, switch motor (62) are installed to one side of change over seat (6), and the output shaft of switch motor (62) is fixed with the side of sealing plug (61).
8. A high shear mixed tubular reactor according to claim 7, wherein: the horizontal opening of change over seat (6) communicates with the output tube tip of suction pump (5), the top opening of change over seat (6) communicates with discharge channel (7) of reaction tube (1) downside, the bottom opening of change over seat (6) communicates with discharge pipe (8), automatically controlled valve (71) are installed in the outside of discharge channel (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311377607.7A CN117138725B (en) | 2023-10-24 | 2023-10-24 | High-shear mixing tubular reactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311377607.7A CN117138725B (en) | 2023-10-24 | 2023-10-24 | High-shear mixing tubular reactor |
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| CN117138725A true CN117138725A (en) | 2023-12-01 |
| CN117138725B CN117138725B (en) | 2024-03-08 |
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| CN109794214A (en) * | 2019-01-24 | 2019-05-24 | 太原理工大学 | A kind of Strong shear power macromolecule chain scission methods and its scissor Strong shear Mechanico-chemical reactor |
| CN111168741A (en) * | 2020-01-08 | 2020-05-19 | *** | Automatic go up high-efficient shearing mechanism of rubber stick of unloading |
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2023
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