CN218501994U - Gas-liquid bubbling reaction kettle - Google Patents
Gas-liquid bubbling reaction kettle Download PDFInfo
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- CN218501994U CN218501994U CN202221538427.3U CN202221538427U CN218501994U CN 218501994 U CN218501994 U CN 218501994U CN 202221538427 U CN202221538427 U CN 202221538427U CN 218501994 U CN218501994 U CN 218501994U
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Abstract
The utility model discloses a gas-liquid tympanic bulla reation kettle, strengthen sleeve, annular gas distribution ware, agitator motor, (mixing) shaft, flat leaf formula agitator, hinge turbine formula agitator including the cauldron body, dispersion baffling board, dispersion, the cauldron external side is equipped with presss from both sides the cover, evenly be fixed with polylith dispersion baffling board on the internal lateral wall of cauldron, the dispersion is strengthened the sleeve and is passed through connecting piece and the internal wall welding of cauldron, annular gas distribution ware is fixed and is strengthened the sleeve bottom in the dispersion, agitator motor fixes at cauldron body top, the flat leaf formula agitator is connected to the (mixing) shaft bottom, the flat leaf formula agitator is located annular gas distribution ware top, hinge turbine agitator installs the upper segment in the (mixing) shaft. The utility model discloses can realize effectively utilizing the dispersion to strengthen sleeve and level turbine formula stirring and improve the interior fluid form of cauldron at the in-process of gas-liquid mixture reaction, ensure the gas-liquid dispersion effect, improve reaction efficiency and shorten reaction time.
Description
Technical Field
The utility model relates to a gas-liquid tympanic bulla reation kettle belongs to fine chemical production technical field.
Background
The bubble reactor is mainly applied to the medium-speed and slow-speed reaction and the reaction with large heat release, in which the liquid phase also participates in the reaction. The kettle type bubbling reactor generally takes a liquid phase as a continuous phase and a gas phase as a dispersed phase, and is suitable for oxidation reactions of various organic compounds, chlorination reactions of various paraffins and aromatic hydrocarbons, various biochemical reactions, aeration oxidation reactions for sewage treatment and other reactions, but the problems of low efficiency, long single-kettle reaction time and the like in gas-liquid mixed phase reactions related to the bubbling reactor are still troubled in the industry.
Bubble reactors are relatively widely used. However, the liquid phase in the bubble reactor has serious axial back-mixing, which results in a decrease in the reaction rate of continuous operation type, and it is difficult to achieve a high liquid phase conversion rate in a single reactor, so that a multi-stage bubble reactor is often used in series or an intermittent operation mode is often used. Liquid phase back mixing can have the effect of reducing reaction conversion and product selectivity. In addition, the bubbles in the bubbling kettle are easy to coalesce, which also causes circulation with low reaction efficiency and axial mixing caused by turbulence and molecular diffusion, and short circuit, stagnation zone or "dead zone", channeling and the like caused by uneven velocity distribution cause the retention time of materials in the system to be different. The above-mentioned comprehensive factors can affect the stability of the reaction to cause large batch-to-batch difference, and bring control fluctuation for the quality index of the medium-quality product.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem existing in the prior art, the utility model provides a gas-liquid bubbling reaction kettle.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the stirring device comprises a kettle body, a dispersing and reinforcing baffle plate, a dispersing and reinforcing sleeve, an annular gas distributor, a stirring motor, a stirring shaft, a flat blade type stirrer and a flap turbine type stirrer, wherein a jacket is arranged on the outer side of the kettle body, a plurality of dispersing and reinforcing baffle plates are uniformly fixed on the inner side wall of the kettle body, the dispersing and reinforcing baffle plates are wavy steel plates, the dispersing and reinforcing sleeve is positioned in the kettle body and welded with the inner wall of the kettle body through a connecting piece, the annular gas distributor is fixed at the bottom of the dispersing and reinforcing sleeve and consists of a plurality of layers of concentric reducing ring pipes, vent holes are uniformly distributed on the ring pipes, the diameter of the outermost ring pipe of the annular gas distributor is smaller than that of the dispersing and reinforcing sleeve, the stirring motor is fixed at the top of the kettle body, the stirring motor is connected with the stirring shaft, the bottom of the stirring shaft is connected with the flat blade type stirrer, the flat blade type stirrer is positioned above the annular gas distributor, and the flap turbine type stirrer is arranged at the upper section of the stirring shaft;
further, the dispersing baffle plate is provided with 4 blocks;
furthermore, the annular peculiar distributor consists of three layers of concentric reducing circular pipes;
further, the flat blade type stirrer is an 8-piece flat blade disc turbine type stirrer;
further, the blade length of the flap turbine type stirrer is less than that of the flat blade type stirrer;
further, the diameter of the dispersion strengthening sleeve is 3/5 of the diameter of the kettle body, and the height of the dispersion strengthening sleeve is 2/3 of the height of the kettle body.
Compared with the prior art, the utility model discloses following technological effect has: the utility model discloses the device can realize effectively utilizing sleeve and level turbine formula stirring to improve the interior fluid form of cauldron at the in-process of gas-liquid mixture reaction, ensures the gas-liquid dispersion effect, makes reaction gas can form tiny micelle in the fluid and carry out fine dispersion, and then improves reaction efficiency and shortens reaction time, has reduced stagnation area and "blind spot" that exist in the cauldron, reduces the batch difference among the gas-liquid reaction process.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the hinge turbine type stirrer of the present invention.
Fig. 3 is a schematic view of the flat blade type stirrer of the present invention.
In the figure, 1, a kettle body, 11, a jacket, 2, a dispersion baffle plate, 3, a dispersion strengthening sleeve, 4, an annular gas distributor, 5, a stirring motor, 6, a stirring shaft, 7, a flat blade type stirrer and 8, a folded blade turbine type stirrer are arranged.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1-3, comprises a kettle body 1, a dispersion baffle plate 2, a dispersion strengthening sleeve 3, an annular gas distributor 4, a stirring motor 5, a stirring shaft 6, a flat blade type stirrer 7 and a folding blade turbine type stirrer 8, a jacket 11 is arranged on the outer side of the kettle body 1, 4 dispersing baffle plates 2 are uniformly fixed on the inner side wall of the kettle body 1, the dispersion baffle plate 2 is a wavy steel plate, the dispersion strengthening sleeve 3 is positioned inside the kettle body 1, the dispersion strengthening sleeve 3 is welded with the inner wall of the kettle body 1 through a connecting piece, the diameter of the dispersion strengthening sleeve 3 is 3/5 of that of the kettle body 1, the height of the dispersion strengthening sleeve 3 is 2/3 of the height of the kettle body 1, the annular gas distributor 4 is fixed at the bottom of the dispersion strengthening sleeve 3, the annular peculiar distributor consists of three layers of concentric reducing ring pipes, vent holes are uniformly distributed on the ring pipes, the diameter of the outermost side ring pipe of the annular gas distributor 4 is smaller than that of the dispersion strengthening sleeve 3, the stirring motor 5 is fixed on the top of the kettle body 1, the stirring motor 5 is connected with a stirring shaft 6, the bottom of the stirring shaft 6 is connected with a flat blade type stirrer 7, the flat blade type stirrer 7 is an 8-blade flat blade disc turbine type stirrer, the flat blade type stirrer 7 is positioned above the annular gas distributor 4, the flat blade type stirrer 7 realizes the shearing dispersion of the gas cluster by utilizing the shearing force during the rotation, the flap turbine stirrer is arranged at the upper section of the stirring shaft 6, the hinge turbine type stirrer 8 is a 4-piece open turbine type stirrer, the length of the blade of the hinge turbine type stirrer 8 is less than that of the blade of the flat blade type stirrer 7, when the flap turbine type stirrer 8 rotates, a downward driving force is formed on the liquid phase to promote the completion of phase mixing and realize secondary dispersion of the gas material.
When the device is used, absorption liquid is put into the kettle body 1 until the absorption liquid does not excessively disperse the reinforcing sleeve 3, after feeding is finished, the stirring motor 5 is started, the liquid phase temperature is raised to a specified interval through the jacket 11, gas to be absorbed is introduced into the annular gas distributor 4, at the moment, upward floating bubbles are scattered by the flat blade type stirrer 7 to realize further dispersion, at the moment, the liquid phase fluid form in the dispersion reinforcing sleeve 3 takes radial flow as main axial flow as auxiliary, the gas phase floats upwards in a small gas mass form to generate a process of mass transfer and heat transfer, when unreacted gas mass moves upwards through the sleeve to finish reaction in a stroke, the liquid phase pushed downwards by the folding blade turbine type stirrer 8 is subjected to mass transfer again, and at the moment, the liquid phase fluid form in the dispersion reinforcing sleeve 3 takes axial flow as main radial flow as auxiliary; when the liquid phase fluid in the dispersion strengthening sleeve 3 flows out in an axial direction and contacts with the lower end socket of the kettle body 1, the axial flow of the liquid phase in the dispersion strengthening sleeve 3 is more obvious relative to the axial flow of the liquid phase fluid outside the sleeve, when the liquid phase in the dispersion strengthening sleeve 3 is led out in an axial flow manner and contacts with the lower end socket of the kettle body 1, the upward axial flow can be generated along the dispersion strengthening sleeve 3 and the inner wall of the kettle body 1, the flat blade type stirrer 7 provides radial power at the junction of the lower end socket of the kettle body 1 and the dispersion strengthening sleeve 3, the radial flow of the liquid phase is strengthened when the liquid phase passes through, the radial flow of the outer wall of the dispersion strengthening sleeve 3 can collide with the dispersion baffle plate 2 fixed on the inner wall of the kettle body 1, the dispersion effect is further guaranteed, and meanwhile, the swirling phenomenon formed by the liquid level of the kettle body 1 can suck the unreacted liquid in the upper half section of the kettle body 1 into the dispersion strengthening sleeve 3 to strengthen the mass transfer effect.
The above description is only exemplary of the present invention and should not be taken as limiting, and any modifications, equivalents, and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The gas-liquid bubbling reaction kettle is characterized by comprising a kettle body, a dispersing baffle plate, a dispersing reinforcing sleeve, an annular gas distributor, a stirring motor, a stirring shaft, a flat blade type stirrer and a flap turbine type stirrer, wherein a jacket is arranged on the outer side of the kettle body, a plurality of dispersing baffle plates are uniformly fixed on the inner side wall of the kettle body, the dispersing baffle plates are wavy steel plates, the dispersing reinforcing sleeve is positioned inside the kettle body and welded with the inner wall of the kettle body through a connecting piece, the annular gas distributor is fixed at the bottom of the dispersing reinforcing sleeve and consists of a plurality of layers of concentric reducing ring pipes, vent holes are uniformly distributed on the ring pipes, the diameter of the outermost ring pipe of the annular gas distributor is smaller than that of the dispersing reinforcing sleeve, the stirring motor is fixed at the top of the kettle body, the stirring shaft is connected with the stirring motor, the bottom of the stirring shaft is connected with the flat blade type stirrer, the flat blade type stirrer is positioned above the annular gas distributor, and the flap turbine type stirrer is installed at the upper section of the stirring shaft.
2. A gas-liquid bubbling reactor according to claim 1, wherein said dispersion baffle is provided with 4 pieces.
3. A gas-liquid bubbling reactor according to claim 1 wherein said annular peculiar distributor is composed of three concentric reducing collars.
4. A gas-liquid bubbling reactor according to claim 1, wherein said flat-blade agitator is an 8-blade flat-blade disc turbine agitator.
5. The gas-liquid bubbling reactor according to claim 1, wherein said flap turbine agitator is a 4-blade open turbine agitator, and the length of the blade of said flap turbine agitator is smaller than that of the blade of said flat blade agitator.
6. The gas-liquid bubbling reactor according to claim 1, wherein the diameter of said dispersion strengthening sleeve is 3/5 of the diameter of the reactor body, and the height of said dispersion strengthening sleeve is 2/3 of the height of the reactor body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221538427.3U CN218501994U (en) | 2022-06-20 | 2022-06-20 | Gas-liquid bubbling reaction kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221538427.3U CN218501994U (en) | 2022-06-20 | 2022-06-20 | Gas-liquid bubbling reaction kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218501994U true CN218501994U (en) | 2023-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221538427.3U Active CN218501994U (en) | 2022-06-20 | 2022-06-20 | Gas-liquid bubbling reaction kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218501994U (en) |
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2022
- 2022-06-20 CN CN202221538427.3U patent/CN218501994U/en active Active
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