CN115945152A - Can prevent metatritoluene oxidation reaction unit of whirl dispersion reactant - Google Patents
Can prevent metatritoluene oxidation reaction unit of whirl dispersion reactant Download PDFInfo
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- CN115945152A CN115945152A CN202211559651.5A CN202211559651A CN115945152A CN 115945152 A CN115945152 A CN 115945152A CN 202211559651 A CN202211559651 A CN 202211559651A CN 115945152 A CN115945152 A CN 115945152A
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- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 51
- 239000000376 reactant Substances 0.000 title claims abstract description 14
- 239000006185 dispersion Substances 0.000 title claims description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 70
- 238000003756 stirring Methods 0.000 claims abstract description 68
- 230000003647 oxidation Effects 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 30
- GWHJZXXIDMPWGX-UHFFFAOYSA-N 1,2,4-trimethylbenzene Chemical compound CC1=CC=C(C)C(C)=C1 GWHJZXXIDMPWGX-UHFFFAOYSA-N 0.000 claims description 38
- 230000005540 biological transmission Effects 0.000 claims description 29
- 210000001503 joint Anatomy 0.000 claims description 16
- 239000012295 chemical reaction liquid Substances 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 7
- 206010066054 Dysmorphism Diseases 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 5
- 239000011541 reaction mixture Substances 0.000 claims 5
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 10
- 230000001174 ascending effect Effects 0.000 abstract description 2
- 238000009826 distribution Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 12
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 230000005484 gravity Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 5
- FYGHSUNMUKGBRK-UHFFFAOYSA-N 1,2,3-trimethylbenzene Chemical compound CC1=CC=CC(C)=C1C FYGHSUNMUKGBRK-UHFFFAOYSA-N 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 206010003694 Atrophy Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000037444 atrophy Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004401 flow injection analysis Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
A unsym-trimethyl benzene oxidation reaction device capable of preventing rotational flow from dispersing reactants belongs to the technical field of oxidation reaction devices and aims to solve the problems that an existing oxidation reactor is inconvenient to accelerate the stirring process in the existing oxidation reactor under the coordination of multiple acting forces, and the existing oxidation reactor is inconvenient to control the air input at different positions in the oxidation reactor; this application is through radial and the (mixing) shaft footpath of gas through-flow mouth and is forty-five degrees angular distributions, be used for giving the ascending effort of reaction intracavity portion one strand during the air feed, impulse type turbine paddle leaf is used for stirring the material and will gives the decurrent effort of material, turbine type stirring paddle leaf is used for stirring same horizontal position's material, under the cooperation of stranded effort, let the internal portion material stirring of reation kettle, control the different proportion of admitting air of first annular intake pipe and second annular intake pipe through defeated gas intercommunication subassembly, and then the air input of the inside different positions of control oxidation reactor.
Description
Technical Field
The invention relates to the technical field of oxidation reaction devices, in particular to a pseudocumene oxidation reaction device capable of preventing reactants from being dispersed by rotational flow.
Background
When the existing liquid-phase air continuous oxidation reactor works, the feeding of mixed materials such as pseudocumene, acetic acid, catalysts and the like easily causes rotational flow, substances with large specific gravity move to the periphery under the action of centrifugal force, and substances with small specific gravity, such as gas, accumulate to the center, so that the gas-liquid mixing is uneven, the reaction efficiency is influenced, the reaction activity can be kept by continuously supplementing catalysts in the pseudocumene reaction process, and when the oxidation reactor works for a long time, the total consumption of the catalysts is high, so that the subsequent separation difficulty and the cost are increased; the retention time of the materials in the reactor is long, the pseudocumene and the acetic acid are combusted in the reactor more, and a large amount of carbon dioxide is released, so that the consumption of raw materials is high and the environmental pollution is caused.
When materials such as unsym-trimethyl benzene are mixed in the existing oxidation reactor, the structure of upwards spraying air current is not convenient to use through setting, the ascending acting force of one strand when the mixture is generated, the stirring structure in the existing oxidation reactor is changed, the downward acting force of one strand is generated, the stirring process in the existing oxidation reactor is accelerated under the cooperation of the acting forces of multiple strands, the cyclone can not occur, the separation of substances with different specific gravity sizes is caused, the existing oxidation reactor is not flexible enough in the structure of air inlet, the structure of the air inlet ratio is not convenient to adjust, the air inlet amount of different positions in the oxidation reactor is controlled, and the stirring process in the oxidation reactor is flexibly adjusted.
In order to solve the above problems, a pseudocumene oxidation reaction apparatus capable of preventing a reactant from being dispersed by swirling flow has been proposed.
Disclosure of Invention
The invention aims to provide a pseudocumene oxidation reaction device capable of preventing reactants from being dispersed in a swirling flow, and solves the problems that in the prior art, the conventional oxidation reactor is inconvenient to accelerate the stirring process in the conventional oxidation reactor under the coordination of a plurality of acting forces, and the substances with different specific gravities are separated due to the swirling flow, and the conventional oxidation reactor is inconvenient to control the air inflow at different positions in the oxidation reactor so as to flexibly adjust the stirring process in the oxidation reactor.
In order to achieve the purpose, the invention provides the following technical scheme: a partial trimethylbenzene oxidation reaction device capable of preventing rotational flow from dispersing reactants comprises a reaction kettle body and a kettle cover arranged at the upper end of the reaction kettle body, wherein an air inlet pipe body, a gas phase outlet and a feeding pipe body are arranged inside the kettle cover, a stirring transmission assembly is arranged at the upper end of the kettle cover, a linkage shaft is arranged at the lower end of the stirring transmission assembly, a gas transmission communication assembly is arranged inside the upper end of the reaction kettle body, a reaction cavity is formed inside the reaction kettle body, a reaction liquid grid baffle assembly is arranged at the upper end inside the reaction cavity, a stirring shaft is arranged at the circle center inside the reaction cavity and is positioned on the same axis with the linkage shaft, a push type turbine blade is arranged in the middle section inside the reaction cavity, and a turbine type stirring blade is arranged at the lower end inside the reaction cavity;
the reaction chamber is also internally provided with a first annular feeding pipe, a first annular air inlet pipe, a second annular feeding pipe and a second annular air inlet pipe, the inner wall of the first annular air inlet pipe is provided with a gas through-flow port, and the gas through-flow ports are provided with a plurality of groups.
Further, the first annular inlet pipe and the first annular inlet pipe are located between the push type turbine blade and the turbine type stirring blade, the second annular inlet pipe and the second annular inlet pipe are located at the lower end of the turbine type stirring blade, the first annular inlet pipe and the second annular inlet pipe are members made of the same structure, a gas through opening is radially distributed at an angle of forty-five degrees with a stirring shaft in the radial direction, the gas through opening is used for providing an upward acting force for the inside of the reaction chamber during gas supply, the push type turbine blade is used for stirring materials and providing a downward acting force for the materials, the turbine type stirring blade is used for stirring the materials at the same horizontal position, the materials inside the reaction kettle body are uniformly stirred under the cooperation of the multiple acting forces, the second annular inlet pipe and the first annular inlet pipe are members made of the same structure, the first annular inlet pipe is located at the upper end of the inlet pipe of the first annular inlet pipe, the second annular inlet pipe is located at the upper end of the second annular inlet pipe, one end of the inner connecting pipe with the first annular inlet pipe and the second annular inlet pipe is located at the same vertical line with the inner end of the reaction kettle body, a bottom cavity is located at the inner end of the reaction kettle body, and a discharge opening is located at the bottom of the second annular inlet pipe and communicated with the reaction cavity.
Further, the gas through-flow openings of the multiple groups are all projected to the annular horizontal range of the propulsion turbine blades or the turbine stirring blades, the fixing rods are arranged on the outer side of the shaft support and are arranged in the multiple groups, one end of each fixing rod of the multiple groups is fixedly connected with the inner wall of the reaction cavity, the propulsion turbine blades and the turbine stirring blades are all arranged on the outer side of the stirring shaft, and one end of the stirring shaft is movably arranged inside the shaft support.
Further, reaction liquid grid baffle subassembly sets up four groups, and the axial equipartition is in reaction intracavity inside upper end, reaction liquid grid baffle subassembly includes arc-shaped grid baffle and the fixed disk of setting at the reaction intracavity wall, fixed disk one side is provided with the spliced pole, spliced pole one side is provided with connects the disk, it is provided with rotatory disk to connect disk one side activity, and rotatory disk and arc-shaped grid baffle fixed connection, the inside fixed motor that is provided with of fixed disk, fixed motor one end is provided with the rotation axis, and the rotation axis runs through the spliced pole, the arc and the reaction intracavity wall arc phase-match of arc-shaped grid baffle.
Further, gas transmission intercommunication subassembly includes gas transmission cylinder and the screw thread post of screw thread setting in gas transmission cylinder upper end, the upper end of gas transmission cylinder still is provided with the butt joint pipe, one side intercommunication of gas transmission cylinder is provided with first connecting pipe, second connecting pipe and third connecting pipe, first connecting pipe, the component that second connecting pipe and third connecting pipe were made for the looks isostructure, first connecting pipe is including setting up the shunt tubes in one side, and the shunt tubes sets up two sets ofly, the middle section position to the pipe is provided with the pars contractilis, be in same vertical line with the body of admitting air, the lift chamber has been seted up to the inside of gas transmission cylinder, the inside gomphosis in lift chamber is provided with the lift valve piece, the inside gas channel that has seted up of lift valve piece, and the gas channel is linked together with the butt joint pipe.
Furthermore, the two-component flow pipe on one side of the first connecting pipe is respectively communicated with the first annular air inlet pipe and the second annular air inlet pipe, the first connecting pipe gives more air volume to the first annular air inlet pipe, the second connecting pipe gives less air volume to the second annular air inlet pipe, the second connecting pipe gives equal air volume to the first annular air inlet pipe and the second annular air inlet pipe, the third connecting pipe gives more air volume to the second annular air inlet pipe, and the third connecting pipe gives less air volume to the first annular air inlet pipe.
Further, the dysmorphism groove has been seted up to the screw thread post upper end, and the inside of kettle cover is provided with the motor, and the output of motor is provided with the embedding post through the hub connection, and the outside of embedding post is provided with the fixed strip, and the fixed strip sets up two sets ofly, and one side that the fixed strip is close to the motor tip is provided with electrical component, and embedding post and two sets of fixed strip gomphosis are at the dysmorphism inslot portion.
Furtherly, be provided with connection structure to the upper end of pipe, be linked together through connection structure and intake pipe body to the pipe, connection structure is including setting up the gomphosis ring at the intake pipe body lower extreme, and the gomphosis ring outside is provided with the gasbag component, and gasbag component one side intercommunication is provided with hard type pipe, and hard type pipe one side is provided with the air pump, has seted up the ring channel to the pipe upper end, and the cooperation strip groove has been seted up in the ring channel outside.
Furthermore, the annular groove is matched with the embedded ring, the width of the matching strip groove is matched with the diameter of the hard pipe, the feeding pipe body is communicated with the inner connecting pipe through the structure of the connecting structure, and the air pump is electrically connected with the electrical element.
Further, the gasbag component is including setting up the first gasbag ring that encircles the outside at the gomphosis and setting up the second gasbag ring that encircles the inboard at the gomphosis, and the intercommunication is provided with the gasbag passageway between first gasbag ring and the second gasbag ring, and just first gasbag ring, second gasbag ring and gasbag passageway all fix the setting inside the gomphosis ring.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention provides a pseudocumene oxidation reaction device capable of preventing reactants from being dispersed in a swirling flow manner, wherein a gas through hole is radially distributed at a forty-five degree angle with a stirring shaft, an upward acting force is applied to the inside of a reaction cavity during gas supply, a propelling turbine blade is used for stirring materials and applying a downward acting force to the materials, the turbine stirring blade is used for stirring the materials at the same horizontal position, the materials in a reaction kettle body are uniformly stirred under the coordination of multiple acting forces, different gas inlet ratios of a first annular gas inlet pipe and a second annular gas inlet pipe are controlled through a gas transmission communicating component, further, the gas inflow at different positions in an oxidation reactor is controlled, the problems that when the materials such as pseudocumene and the like are mixed, an upward acting force is generated when the mixed materials are not convenient to be generated by arranging an upward jet gas flow structure, a downward acting force is generated by changing the stirring structure in the existing oxidation reactor, the internal stirring process of the existing oxidation reactor is accelerated under the coordination of the multiple acting forces, the condition that the swirling flow of different sizes and the materials are separated, the proportion of the existing oxidation reactor is not enough, and the internal stirring structure is not convenient to be flexibly controlled by the internal gas inlet ratio of the internal reaction process of the existing oxidation reactor are solved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic plan view of the reaction vessel body and the vessel cover according to the present invention;
FIG. 3 is a schematic view of the first and second annular inlet ducts of the present invention;
FIG. 4 is a schematic structural view of a reaction liquid grid baffle plate assembly according to the present invention;
FIG. 5 is a schematic view of the structure of the fixing round block and the connecting column of the present invention;
FIG. 6 is a schematic view of the gas delivery communication assembly of the present invention;
FIG. 7 is a schematic plan view of the gas delivery cylinder of the present invention;
FIG. 8 is a schematic view of the motor and the engagement post of the present invention;
FIG. 9 is an enlarged view of the structure at A in FIG. 6 according to the present invention;
FIG. 10 is a schematic plan view of a balloon member of the present invention.
In the figure: 1. a reaction kettle body; 111. a bottom cavity; 11. a reaction chamber; 12. a shaft support; 121. fixing the rod; 13. a discharge port; 14. a turbine type stirring blade; 15. a pusher turbine blade; 16. a first annular feed tube; 17. a first annular intake duct; 171. a gas flow port; 18. a second annular feed tube; 19. a second annular air inlet pipe; 2. a kettle cover; 21. a motor; 22. a fitting column; 23. a fixing strip; 24. an electrical component; 3. an air intake pipe body; 4. a gas phase outlet; 5. a feeding pipe body; 51. an inner connecting pipe; 6. a stirring transmission component; 61. a linkage shaft; 7. a gas transmission communication assembly; 71. an air delivery cylinder; 711. a lift valve block; 712. a lifting cavity; 713. an air flow channel; 72. a first connecting pipe; 721. a shunt tube; 73. a second connecting pipe; 74. a third connecting pipe; 75. a threaded post; 751. a special-shaped groove; 76. butt-joint pipes; 761. a telescopic part; 77. a connecting structure; 771. embedding a ring; 772. an airbag member; 7721. a first balloon ring; 7722. a second balloon ring; 7723. an air bag channel; 773. a rigid pipe; 774. an air pump; 775. an annular groove; 7751. matching the strip groove; 8. a reaction liquid grid baffle assembly; 81. an arc-shaped grating baffle; 82. fixing the round block; 821. fixing a motor; 822. a rotating shaft; 83. connecting columns; 84. connecting the round blocks; 85. rotating the round block; 9. a stirring shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to solve the technical problems that when materials such as pseudocumene are mixed, an upward acting force is generated when the mixture is generated due to the fact that an upward air flow injection structure is not convenient to arrange in the existing oxidation reactor, and a downward acting force is generated by changing the stirring structure in the existing oxidation reactor, the stirring process in the existing oxidation reactor is accelerated by the cooperation of the multiple acting forces, and the separation of the materials with different specific gravities is caused due to the fact that rotational flow does not occur, as shown in fig. 1-5, the following preferable technical scheme is provided:
the utility model provides a can prevent partial trimethylbenzene oxidation reaction unit of whirl dispersion reactant, including the reation kettle body 1 and the kettle cover 2 of setting in reation kettle body 1 upper end, the inside of kettle cover 2 is provided with air inlet pipe body 3, gas outlet 4 and feeding body 5, and the upper end of kettle cover 2 is provided with stirring drive assembly 6, the lower extreme of stirring drive assembly 6 is provided with universal driving shaft 61, the inside air transmission intercommunication subassembly 7 that is provided with in upper end of reation kettle body 1, reation kettle body 1's inside is seted up and is reacted the chamber 11, and the inside upper end position of reation chamber 11 is provided with reaction liquid grid baffle subassembly 8, the inside centre of a circle position of reation chamber 11 is provided with (mixing) shaft 9, and (mixing) shaft 9 and universal driving shaft 61 are in the same axis, the inside middle section of reation chamber 11 is provided with impulse turbine blade 15, the inside lower extreme of reation chamber 11 is provided with turbine formula stirring blade 14, the inside still is provided with first annular inlet pipe 16 of reation chamber 11, first annular inlet pipe 17, second annular inlet pipe 18 and second annular inlet pipe 19, the inner wall of first annular inlet pipe 17 is provided with gaseous through-flow mouth 171, and gaseous through-flow mouth sets up multiunit.
The first annular feeding pipe 16 and the first annular air inlet pipe 17 are positioned between the propulsion turbine blade 15 and the turbine stirring blade 14, the second annular feeding pipe 18 and the second annular air inlet pipe 19 are positioned at the lower end of the turbine stirring blade 14, the first annular air inlet pipe 17 and the second annular air inlet pipe 19 are members made of the same structure, a gas through port 171 is radially distributed at an angle of forty-five degrees with the radial direction of the stirring shaft 9, and is used for providing an upward acting force for the inside of the reaction chamber 11 during air supply, the propulsion turbine blade 15 is used for stirring materials and providing a downward acting force for the materials, the turbine stirring blade 14 is used for stirring the materials at the same horizontal position, under the cooperation of the acting forces, the materials inside the reaction kettle body 1 are uniformly stirred, the second annular feeding pipe 18 and the first annular feeding pipe 16 are members made of the same structure, the first annular feeding pipe 16 is positioned at the upper end of the first annular air inlet pipe 17, the second annular feeding pipe 18 is positioned at the upper end of the second annular air inlet pipe 19, the inside of the reaction kettle body 1 is also provided with an internal connecting pipe 51, one end of the first annular feeding pipe 16 is connected with the first annular feeding pipe 16 and the second annular feeding pipe 18, and a plurality of the annular feeding pipe 11, and a plurality of the inner wall of the annular feeding pipe 12, and a plurality of the inner wall of the vertical connecting rod 121 of the reaction kettle body 121, and a plurality of the annular stirring shaft connecting rod 13, and a plurality of the reaction chamber 121, and a plurality of the inner wall of the annular stirring rod 121, propulsive formula turbine paddle 15 and turbine formula stirring paddle 14 all set up in the (mixing) shaft 9 outside, the activity of (mixing) shaft 9 one end sets up inside shaft bracket 12, reaction liquid grid baffle subassembly 8 sets up four groups, and the axial equipartition is in the inside upper end of reaction chamber 11, reaction liquid grid baffle subassembly 8 includes arc grid baffle 81 and sets up the fixed disk 82 at reaction chamber 11 inner wall, fixed disk 82 one side is provided with spliced pole 83, spliced pole 83 one side is provided with connects disk 84, it is provided with rotatory disk 85 to connect disk 84 one side activity, and rotatory disk 85 and arc grid baffle 81 fixed connection, the inside fixed motor 821 that is provided with of fixed disk 82, fixed motor 821 one end is provided with rotation axis 822, and rotation axis 822 runs through spliced pole 83, arc and the 11 inner wall arc phase-match of reaction chamber of arc grid baffle 81.
Specifically, the feeding pipe body 5 is used for conveying the mixture into the reaction chamber 11 through the inner connecting pipe 51, the first annular feeding pipe 16 and the second annular feeding pipe 18, when the mixture is filled in the reaction chamber 11 to a certain height, the gas inlet pipe body 3 and the gas transmission communication assembly 7 supply gas into the first annular gas inlet pipe 17 and the second annular gas inlet pipe 19, because the plurality of groups of gas through-flow openings 171 are arranged at forty-five degrees, the first annular gas inlet pipe 17 generates an upward acting force to push the mixture upward, so that the mixture is stirred by the propulsion turbine blades 15, the second annular gas inlet pipe 19 also generates an upward acting force to push the mixture upward, at this time, the mixture is stirred by the turbine stirring blades 14 and then still rises until the mixture is stirred by the propulsion turbine blades 15 under the effect of the gas flow of the first annular gas inlet pipe 17 again, and because of the propulsion turbine blades 15, the push type turbine blade 15 can generate a downward acting force after being stirred, the mixture acts downwards, the acting force generated by the push type turbine blade 15 is positioned under the push type turbine blade 15, the acting force generated by the first annular air inlet pipe 17 and the second annular air inlet pipe 19 is annular and is positioned outside the acting force of the push type turbine blade 15, namely, under the coordination of multiple acting forces, the mixture rolls in the reaction chamber 11 and is continuously stirred by the turbine type stirring blade 14 and the push type turbine blade 15, the stirring speed is accelerated, the condition of mixture rotational flow substance dispersion cannot occur, the bottom cavity 111 is arranged, so that the sinking material is shunted to be close to the inner wall of the reaction chamber 11 and to be closer to the air flow generated by the second annular air inlet pipe 19, a better acting force effect is achieved, when the material in the reaction chamber 11 is subjected to strong mixing oxidation reaction, reaction liquid can strike kettle cover 2, this moment through electric drive fixed motor 821, make rotation axis 822 drive spliced pole 83 and rotate, it rotates to drive arc grid baffle 81 promptly, make it originally change into vertical at reaction chamber 11 internal state by the state of hugging closely reaction chamber 11 inner wall, the rotatory disk 85 of electric drive drives arc grid baffle 81 rotation again, make arc grid baffle 81 slope, the slope of four group's arc grid baffles 81 this moment, can effectively block the impact of reaction liquid, avoid kettle cover 2 to receive the damage, accelerate device internal reaction through this kind of mode, reduce reaction time, avoid constantly supplementing the condition of catalyst, and effectual reduction raw materials consumption is high and avoid environmental pollution.
In order to solve the technical problems that the existing oxidation reactor is not flexible enough in air inlet structure and is not convenient to control the air inlet amount at different positions in the oxidation reactor through a structure for adjusting the air inlet ratio so as to flexibly adjust the stirring process in the oxidation reactor, as shown in fig. 6-10, the following preferred technical scheme is provided:
the gas transmission communication assembly 7 comprises a gas transmission cylinder 71 and a threaded column 75 which is arranged at the upper end of the gas transmission cylinder 71 in a threaded manner, the upper end of the gas transmission cylinder 71 is also provided with a butt joint pipe 76, one side of the gas transmission cylinder 71 is provided with a first connecting pipe 72, a second connecting pipe 73 and a third connecting pipe 74 in a communication manner, the first connecting pipe 72, the second connecting pipe 73 and the third connecting pipe 74 are members made of the same structure, the first connecting pipe 72 comprises a shunt pipe 721 arranged at one side, two groups of shunt pipes 721 are arranged, the middle section of the butt joint pipe 76 is provided with a telescopic part 761, the butt joint pipe 76 and the gas inlet pipe body 3 are positioned on the same vertical line, a lifting cavity 712 is arranged in the gas transmission cylinder 71, a lifting valve block 711 is embedded in the lifting cavity 712, a gas flow channel 713 is arranged in the lifting valve block 711 and is communicated with the butt joint pipe 76, the two-component flow pipe 721 on one side of the first connecting pipe 72 is respectively communicated with the first annular air inlet pipe 17 and the second annular air inlet pipe 19, the first connecting pipe 72 has a large ventilation amount with the first annular air inlet pipe 17 and a small ventilation amount with the second annular air inlet pipe 19, the second connecting pipe 73 has the same ventilation amount with the first annular air inlet pipe 17 and the second annular air inlet pipe 19, the third connecting pipe 74 has a large ventilation amount with the second annular air inlet pipe 19 and a small ventilation amount with the first annular air inlet pipe 17, the upper end of the threaded column 75 is provided with a special-shaped groove 751, the inside of the kettle cover 2 is provided with a motor 21, the output end of the motor 21 is provided with a jogged column 22 through a shaft connection, the outside of the jogged column 22 is provided with a fixing strip 23, the fixing strips 23 are provided with two groups, one side of the fixing strip 23 close to the end of the motor 21 is provided with an electric element 24, and the jogged column 22 and the two groups of fixing strips 23 are jogged inside the special-shaped groove 751.
The upper end of the butt joint pipe 76 is provided with a connecting structure 77, the butt joint pipe 76 is communicated with the air inlet pipe body 3 through the connecting structure 77, the connecting structure 77 comprises an embedded ring 771 arranged at the lower end of the air inlet pipe body 3, an air bag member 772 is arranged at the outer side of the embedded ring 771, a hard pipe 773 is arranged at one side of the air bag member 772 in a communicating mode, an air pump 774 is arranged at the upper end of the butt joint pipe 76, a matching strip groove 7751 is arranged at the outer side of the annular groove 775 and is matched with the embedded ring 771, the width of the matching strip groove 7751 is matched with the diameter of the hard pipe 773, the communicating between the feed pipe body 5 and the inner connecting pipe 51 is also realized through the structure of the connecting structure 77, the air pump 774 is electrically connected with the electric element 24, the air bag member 771 comprises a first air bag ring 7721 arranged at the outer side of the embedded ring 771 and a second air bag ring 7722 and a second air bag ring 7723 is arranged at the inner side of the embedded ring 771, and an air bag passage 7723 is arranged between the first air bag ring 7721, and the second air bag ring 7722 and the air bag ring 7723 are all fixedly arranged inside of the embedded ring 7723.
Specifically, when the autoclave lid 2 is lifted and installed with the autoclave body 1, the engaging column 22 will descend until engaging with the inside of the irregular groove 751, at this time, the air inlet tube body 3 will also descend, so that the engaging ring 771 engages with the inside of the annular groove 775, the hard tube 773 will engage with the inside of the mating groove 7751, when the engaging column 22 descends until the electric element 24 is also inside the irregular groove 751, the electric signal of the electric element 24 is transmitted to the air pump 774, the air pump 774 inflates the inside of the first air bag ring 7721, because the first air bag ring 7721 is communicated with the second air bag ring 7722 through the air bag passage 7723, at this time, the first air bag ring 7721 and the second air bag ring 7722 inflate and expand to be closely attached to the inner wall of the annular groove 775, when gas transmission is performed, no leakage occurs, gas enters into the abutting tube 76 and the air flow passage 713 through the air inlet tube body 3, when the inside of the reaction chamber 11 is initially reacted, the motor 21 can drive the threaded column 75 to rotate, so that the lifting valve block 711 descends until the airflow channel 713 is communicated with the first connecting pipe 72, at the moment, more gas flows out from the first annular air inlet pipe 17, less gas flows out from the second annular air inlet pipe 19, which is favorable for heavier weight of large particulate matters in the initial stage, the large particulate matters are stacked at the upper end of the reaction chamber 11 and are not easy to drive to move upwards, when in the middle stage reaction, the motor 21 drives the airflow channel 713 to be communicated with the second connecting pipe 73, at the moment, the gas flows out from the first annular air inlet pipe 17 and the second annular air inlet pipe 19 are equal, which is favorable for uniform stirring inside the reaction chamber 11, when in the later stage reaction, more gas flows out from the second annular air inlet pipe 19, less gas flows out from the first annular air inlet pipe 17, at the moment, the raw material particles inside the reaction chamber 11 are smaller and are uniformly mixed in the liquid phase of the reaction chamber 11, increase the air output of second annular intake pipe 19, can be favorable to the rolling of the inside liquid phase of reaction chamber 11 and raw materials, and the reduction of first annular intake pipe 17 position gas volume, can avoid driving reaction liquid upwards to sputter, produce the top and hit kettle cover 2, when kettle cover 2 and reation kettle body 1 separate, until electric element 24 breaks away from dysmorphism groove 751, electric signal drive air pump 774 is bled, make first gasbag ring 7721 and second gasbag ring 7722 atrophy, gomphosis ring 771 can separate with ring channel 775.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a can prevent pseudocumene oxidation reaction unit of whirl dispersion reactant, includes the reation kettle body (1) and sets up kettle cover (2) in reation kettle body (1) upper end, and the inside of kettle cover (2) is provided with inlet pipe body (3), gas phase export (4) and feeding body (5), and the upper end of kettle cover (2) is provided with stirring drive assembly (6), its characterized in that: a linkage shaft (61) is arranged at the lower end of the stirring transmission assembly (6), a gas transmission communicating assembly (7) is arranged inside the upper end of the reaction kettle body (1), a reaction cavity (11) is formed inside the reaction kettle body (1), a reaction liquid grid baffle assembly (8) is arranged at the upper end inside the reaction cavity (11), a stirring shaft (9) is arranged at the center of the inside of the reaction cavity (11), the stirring shaft (9) and the linkage shaft (61) are positioned on the same axis, a push-type turbine blade (15) is arranged at the middle section inside the reaction cavity (11), and a turbine-type stirring blade (14) is arranged at the lower end inside the reaction cavity (11);
the reaction chamber (11) is also internally provided with a first annular feeding pipe (16), a first annular air inlet pipe (17), a second annular feeding pipe (18) and a second annular air inlet pipe (19), the inner wall of the first annular air inlet pipe (17) is provided with a gas through-flow opening (171), and the gas through-flow openings (171) are provided with a plurality of groups.
2. The apparatus for preventing oxidation of pseudocumene as set forth in claim 1 wherein said reaction mixture comprises: the first annular feeding pipe (16) and the first annular inlet pipe (17) are positioned between a pushing turbine blade (15) and a turbine stirring blade (14), the second annular feeding pipe (18) and the second annular inlet pipe (19) are positioned at the lower end of the turbine stirring blade (14), the first annular inlet pipe (17) and the second annular inlet pipe (19) are members made of the same structure, a gas through opening (171) is radially distributed at an angle of forty-five degrees with the radial direction of a stirring shaft (9) and is used for giving an upward acting force to the inside of a reaction chamber (11) during gas supply, the pushing turbine blade (15) is used for stirring materials and giving a downward acting force to the materials, the turbine stirring blade (14) is used for stirring the materials at the same horizontal position, under the action, the materials inside the reaction kettle body (1) are uniformly stirred, the second annular inlet pipe (18) and the first annular inlet pipe (16) are members made of the same structure, the first annular inlet pipe (16) is positioned at the upper end of the first annular inlet pipe (17), the second annular inlet pipe (18) is positioned at the position of the second annular inlet pipe (19), and is connected with the inner end of the first annular inlet pipe (51) and is arranged at the same end of the inner connecting pipe (51), the lower end of the interior of the reaction cavity (11) is provided with a bottom cavity (111), the lower end of the reaction kettle body (1) is provided with a discharge hole (13), the discharge hole (13) is communicated with the interior of the reaction cavity (11), and the second annular feeding pipe (18) and the second annular air inlet pipe (19) are located at the position of the bottom cavity (111).
3. The apparatus for preventing oxidation of pseudocumene as set forth in claim 1 wherein said reaction mixture comprises: the gas flow ports (171) are all shot to the annular horizontal range of the propulsion turbine blades (15) or the turbine stirring blades (14), fixing rods (121) are arranged on the outer side of the shaft support (12), the fixing rods (121) are arranged in multiple groups, one ends of the fixing rods (121) of the multiple groups are fixedly connected with the inner wall of the reaction cavity (11), the propulsion turbine blades (15) and the turbine stirring blades (14) are all arranged on the outer side of the stirring shaft (9), and one end of the stirring shaft (9) is movably arranged inside the shaft support (12).
4. The apparatus for preventing oxidation of pseudocumene as set forth in claim 1 wherein said reaction mixture comprises: reaction liquid grid baffle subassembly (8) set up four groups, and the axial equipartition is in reaction chamber (11) inside upper end, reaction liquid grid baffle subassembly (8) include arc grid baffle (81) and set up fixed disk (82) at reaction chamber (11) inner wall, fixed disk (82) one side is provided with spliced pole (83), spliced pole (83) one side is provided with connects disk (84), it is provided with rotatory disk (85) to connect disk (84) one side activity, and rotatory disk (85) and arc grid baffle (81) fixed connection, fixed disk (82) inside fixed be provided with fixed motor (821), fixed motor (821) one end is provided with rotation axis (822), and rotation axis (822) run through spliced pole (83), the arc and reaction chamber (11) inner wall arc phase-match of arc grid baffle (81).
5. The apparatus for oxidation reaction of pseudocumene capable of preventing reactant from being dispersed by swirling flow as claimed in claim 1, wherein: the gas transmission communication assembly (7) comprises a gas transmission cylinder (71) and a threaded column (75) arranged at the upper end of the gas transmission cylinder (71) in a threaded mode, a butt joint pipe (76) is further arranged at the upper end of the gas transmission cylinder (71), a first connecting pipe (72), a second connecting pipe (73) and a third connecting pipe (74) are arranged on one side of the gas transmission cylinder (71) in a communicated mode, the first connecting pipe (72), the second connecting pipe (73) and the third connecting pipe (74) are members made of the same structure, the first connecting pipe (72) comprises two shunt pipes (721) arranged on one side, the shunt pipes (721) are arranged in two groups, a telescopic portion (761) is arranged in the middle section of the butt joint pipe (76), the butt joint pipe (76) and the gas inlet pipe body (3) are located on the same vertical line, a lifting cavity (712) is formed in the gas transmission cylinder (71), a lifting valve block (711) is arranged in an embedded mode, a lifting valve block (711) is formed in the lifting valve block (711), and an air flow channel (713) is communicated with the butt joint pipe (76).
6. The apparatus for preventing oxidation of pseudocumene as set forth in claim 5 wherein said reaction mixture comprises: the two-component flow pipe (721) on one side of the first connecting pipe (72) is respectively communicated with the first annular air inlet pipe (17) and the second annular air inlet pipe (19), the first connecting pipe (72) gives more air flow to the first annular air inlet pipe (17), the air flow to the second annular air inlet pipe (19) is less, the second connecting pipe (73) gives equal air flow to the first annular air inlet pipe (17) and the second annular air inlet pipe (19), the third connecting pipe (74) gives more air flow to the second annular air inlet pipe (19), and the air flow to the first annular air inlet pipe (17) is less.
7. The apparatus for preventing oxidation of pseudocumene as set forth in claim 6 wherein said reaction mixture comprises: dysmorphism groove (751) have been seted up to screw thread post (75) upper end, the inside of kettle cover (2) is provided with motor (21), the output of motor (21) is provided with embedding post (22) through the hub connection, the outside of embedding post (22) is provided with fixed strip (23), and fixed strip (23) set up two sets ofly, one side that fixed strip (23) are close to motor (21) tip is provided with electric element (24), embedding post (22) and two sets of fixed strip (23) gomphosis are inside dysmorphism groove (751).
8. The apparatus for oxidation reaction of pseudocumene capable of preventing reactant swirling dispersion according to claim 5, wherein: the upper end of the butt joint pipe (76) is provided with a connecting structure (77), the butt joint pipe (76) is communicated with the air inlet pipe body (3) through the connecting structure (77), the connecting structure (77) comprises an embedded ring (771) arranged at the lower end of the air inlet pipe body (3), an air bag component (772) is arranged on the outer side of the embedded ring (771), a hard pipe (773) is communicated on one side of the air bag component (772), an air pump (774) is arranged on one side of the hard pipe (773), a ring groove (775) is formed in the upper end of the butt joint pipe (76), and a matching strip groove (7751) is formed in the outer side of the ring groove (775).
9. The apparatus for preventing oxidation of pseudocumene as set forth in claim 8 wherein said means for preventing swirling flow of reactants comprises: the annular groove (775) is matched with the embedding ring (771), the width of the matching strip groove (7751) is matched with the diameter of the hard pipe (773), the feeding pipe body (5) is communicated with the inner connecting pipe (51) through the structure of the connecting structure (77), and the air pump (774) is electrically connected with the electric element (24).
10. The apparatus for oxidation reaction of pseudocumene capable of preventing reactant swirling dispersion as claimed in claim 9, wherein: the airbag component (772) comprises a first airbag ring (7721) arranged on the outer side of the embedded ring (771) and a second airbag ring (7722) arranged on the inner side of the embedded ring (771), an airbag channel (7723) is arranged between the first airbag ring (7721) and the second airbag ring (7722) in a communicating mode, and the first airbag ring (7721), the second airbag ring (7722) and the airbag channel (7723) are fixedly arranged inside the embedded ring (771).
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| CN202211559651.5A CN115945152B (en) | 2022-12-06 | 2022-12-06 | Trimellitic oxidation reaction device capable of preventing cyclone dispersion reactant |
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| CN115945152B (en) | 2023-07-04 |
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Denomination of invention: A device for preventing swirling dispersion of reactants in the oxidation of trimethylbenzene Granted publication date: 20230704 Pledgee: Anqing rural commercial bank Limited by Share Ltd. Pledgor: Anqing Yicheng Chemical Technology Co.,Ltd. Registration number: Y2024980010391 |
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