Reaction kettle
By using a linkage design of forward and reverse stirring shafts and the vortex effect of guide holes, the problem of uneven mixing of phenolic resin was solved, achieving rapid dispersion and uniform mixing of high-viscosity phenolic resin, thus improving the quality of phenolic resin and the economic and environmental benefits of the equipment.
Patent Information
- Application Number
- CN202520419108.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-11
AI Technical Summary
Traditional stirred reaction apparatuses suffer from uneven mixing due to the high viscosity of phenolic resin raw materials, which affects the quality of phenolic resin.
The system employs a linkage design of forward and reverse stirring shafts, forming a vortex through guide holes. Combined with a scraper to prevent raw material adhesion, and with the help of an electric heating layer and a controller to regulate the temperature, it achieves rapid dispersion and uniform mixing of high-viscosity phenolic resin.
It improves the dispersibility and mixing uniformity of phenolic resin, reduces energy waste, lowers cleaning difficulty, and enhances the economic, environmental, and practical aspects of the equipment.
Smart Images
Figure CN223846925U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of reaction kettles, in particular to a reaction kettle. BACKGROUND
[0002] With the development of chemical industry, among numerous polymer materials, phenolic resin is widely used in aerospace, automobile manufacturing and other industries due to its good heat resistance, wear resistance and insulation performance, so the demand for high-quality and high-performance phenolic resin is increasing. However, to achieve large-scale and stable supply of high-quality phenolic resin, advanced production process and special equipment are indispensable. At present, the traditional stirring reaction device is generally used for the preparation of phenolic resin.
[0003] The traditional stirring reaction device adds raw materials to the reaction kettle, drives the stirring paddle to rotate by the motor, disperses the raw materials in the reaction kettle, and then discharges along the liquid outlet pipe to complete the preparation of phenolic resin. However, due to the high viscosity of the raw materials of phenolic resin, it is not easy to disperse and mix uniformly, which usually leads to poor quality of phenolic resin.
[0004] Therefore, the present application provides a reaction kettle. CONTENT OF THE INVENTION
[0005] In view of the deficiencies of the prior art, the present application provides a reaction kettle which overcomes the deficiencies of the prior art and aims to solve the problem that the traditional stirring reaction device adds raw materials to the reaction kettle, drives the stirring paddle to rotate by the motor, disperses the raw materials in the reaction kettle, and then discharges along the liquid outlet pipe to complete the preparation of phenolic resin, but due to the high viscosity of the raw materials of phenolic resin, it is not easy to disperse and mix uniformly, which usually leads to poor quality of phenolic resin.
[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a reaction kettle, comprising a rack, a kettle body fixedly installed on the top of the rack, a feeding pipe fixedly installed on the top of the kettle body, a stirring mechanism arranged in the kettle body, the stirring mechanism comprising a forward stirring shaft, the forward stirring shaft being rotatably connected with the top of the kettle body, a protective shell fixedly installed on the top end of the kettle body, a reverse stirring shaft rotatably connected with the top of the protective shell through the forward stirring shaft, a connecting sleeve fixedly installed on the outer surfaces of the forward stirring shaft and the reverse stirring shaft, two groups of stirring blades fixedly installed on the outer wall of the connecting sleeve, a plurality of groups of flow guide holes formed in the stirring blades, a first driven bevel gear fixedly installed on the top of the forward stirring shaft through the kettle body, a second driven bevel gear fixedly installed on the top of the reverse stirring shaft, the second driven bevel gear being rotatably connected with the top of the protective shell, and a driving mechanism arranged on one side of the protective shell.
[0007] By adopting the technical scheme, the raw materials are added into the kettle body through the feeding pipe, the first driven bevel gear is driven to rotate forward and the second driven bevel gear is driven to rotate reversely by the driving mechanism, so that the first driven bevel gear drives the forward stirring shaft and the stirring blades connected thereto to rotate forward, and the reverse stirring shaft and the stirring blades connected thereto to rotate reversely, since the forward stirring shaft and the reverse stirring shaft rotate in opposite directions, strong shearing force and convection effect are formed, meanwhile, the raw materials form vortex through the flow guide holes, which further promotes the mixing of the raw materials, and helps the rapid dispersion and mixing of the high-viscosity phenolic resin raw materials, and the dispersibility of the high-viscosity phenolic resin raw materials is greatly improved.
[0008] As a preferred technical scheme of the present application, the driving mechanism comprises a motor, the motor is fixedly installed at the top end of the kettle body, a driving bevel gear is fixedly installed on the output end of the motor and penetrates the side wall of the protective shell, the driving bevel gear is meshed with the first driven bevel gear and the second driven bevel gear, and the first driven bevel gear and the second driven bevel gear are located on the upper and lower sides of the driving bevel gear respectively.
[0009] By adopting the technical scheme, the driving bevel gear is driven to rotate by the motor, since the first driven bevel gear and the second driven bevel gear are located on the upper and lower sides of the driving bevel gear and are meshed with the driving bevel gear, the motor drives the first driven bevel gear and the second driven bevel gear to rotate simultaneously through a set of driving bevel gears, so that the forward stirring shaft and the reverse stirring shaft are synchronously and reversely rotated in linkage, the ingenious linkage design reduces the waste of electric energy, and improves the economic and environmental performance of the device.
[0010] As a preferred technical scheme of the present application, the scraping plates are fixedly installed at the ends of the stirring blades away from the connecting sleeves, and the scraping plates abut against the inner wall of the kettle body.
[0011] By adopting the technical scheme, the scraping plates are driven to scrape the raw materials on the inner wall of the kettle body by the rotation of the stirring blades, which effectively prevents the adhesion and accumulation of the raw materials on the inner wall of the kettle body, and further improves the uniformity of the mixing of the raw materials in the kettle body.
[0012] As a preferred technical scheme of the present application, the inner wall of the kettle body is fixedly installed with an electric heating layer, and the top end of the rack is fixedly installed with a controller, and the electric heating layer is electrically connected with the controller.
[0013] By adopting the technical scheme, the temperature of the electric heating layer is adjusted by the controller to provide the required temperature environment for the kettle body, which is conducive to meeting the reaction requirements of various raw materials, and the controller is convenient for the operator to control the device.
[0014] As a preferred technical solution of the present application, the connecting part of the forward stirring shaft and the kettle body is fixedly installed with a first bearing, and the connecting part of the reverse stirring shaft and the protective shell is fixedly installed with a second bearing.
[0015] By adopting the above technical solution, the first bearing improves the smoothness of the forward stirring shaft when rotating, and the second bearing improves the smoothness of the reverse stirring shaft when rotating.
[0016] As a preferred technical solution of the present application, the bottom of the kettle body is fixedly installed with a discharging pipe, and the inside of the discharging pipe is fixedly installed with an electric control valve.
[0017] By adopting the above technical solution, the product completing the reaction in the kettle body is automatically discharged through the discharging pipe by controlling the electric control valve, improving the practicability in use.
[0018] As a preferred technical solution of the present application, the pore size of the flow guide hole on the stirring blade gradually decreases from large to small, and the flow guide hole close to the scraper has a large pore size, and the flow guide hole close to the connecting sleeve has a small pore size.
[0019] By adopting the above technical solution, the flow guide hole on the stirring blade is designed from large to small, which helps to form a more uniform flow field in the stirring process, further improving the mixing efficiency of the raw materials.
[0020] As a preferred technical solution of the present application, the inner wall of the kettle body is fixedly connected with an anti-sticking coating.
[0021] By adopting the above technical solution, the anti-sticking coating reduces the adhesion of the raw materials to the inner wall of the kettle body, reducing the difficulty of cleaning the kettle body.
[0022] The beneficial effects of the present application are:
[0023] 1. The raw materials are added to the kettle body through the feeding pipe, the first driven bevel gear is driven to rotate forward by the driving mechanism, and the second driven bevel gear is driven to rotate reversely, so that the first driven bevel gear drives the forward stirring shaft and the stirring blades connected thereto to rotate forward, and the reverse stirring shaft and the stirring blades connected thereto to rotate reversely. Since the forward stirring shaft and the reverse stirring shaft rotate in opposite directions, a strong shearing force and a convection effect are formed. At the same time, the raw materials form a vortex through the flow guide hole, further promoting the mixing of the raw materials, helping the rapid dispersion and mixing of high-viscosity phenolic resin raw materials, and greatly improving the dispersibility of high-viscosity phenolic resin raw materials.
[0024] 2. The main driving bevel gear is driven to rotate by the motor, the first driven bevel gear and the second driven bevel gear are respectively located on the upper and lower sides of the main driving bevel gear and are in mesh with the main driving bevel gear, the motor drives the first driven bevel gear and the second driven bevel gear to rotate simultaneously through a set of main driving bevel gears, the forward stirring shaft and the reverse stirring shaft are synchronously and reversely rotated, the waste of electric energy is reduced, and the economic and environmental protection of the device is improved. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 It is a schematic diagram of the overall structure of the application;
[0026] Figure 2 It is a schematic diagram of the internal structure of the kettle body;
[0027] Figure 3 It is a schematic diagram of the stirring mechanism and the driving mechanism structure;
[0028] Figure 4 It is Figure 1 It is an enlarged schematic diagram of position A.
[0029] In the figure: 1, frame; 2, kettle body; 3, feeding pipe; 4, stirring mechanism; 401, forward stirring shaft; 402, protective shell; 403, reverse stirring shaft; 404, connecting sleeve; 405, stirring blade; 406, flow guide hole; 407, first driven bevel gear; 408, second driven bevel gear; 5, driving mechanism; 501, motor; 502, main driving bevel gear; 6, scraper; 7, electric heating layer; 8, connecting mechanism; 801, first bearing; 802, second bearing; 9, controller; 10, discharging pipe; 11, electric control valve. DETAILED DESCRIPTION
[0030] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the application.
[0031] Reference Figures 1-4A kind of reaction kettle, including frame 1, the top of frame 1 is fixedly installed with kettle body 2, the top of kettle body 2 is fixedly installed with feeding pipe 3, the inside of kettle body 2 is provided with stirring mechanism 4, stirring mechanism 4 includes positive direction stirring shaft 401, positive direction stirring shaft 401 is rotatably connected with the top of kettle body 2, the top of kettle body 2 is fixedly installed with protective shell 402, the inside of positive direction stirring shaft 401 is rotatably connected with reverse stirring shaft 403, the top of reverse stirring shaft 403 is rotatably connected with the top of protective shell 402 by being arranged in positive direction stirring shaft 401, the outer surface of positive direction stirring shaft 401 and reverse stirring shaft 403 is fixedly installed with connecting sleeve 404, the outer wall of connecting sleeve 404 is fixedly installed with two groups of stirring blade 405, the inside of stirring blade 405 is provided with several groups of guide hole 406, the top of positive direction stirring shaft 401 is fixedly installed with first driven bevel gear 407 by being arranged in kettle body 2, the top of reverse stirring shaft 403 is fixedly installed with second driven bevel gear 408, and second driven bevel gear 408 is rotatably connected with the top of protective shell 402, and the side of protective shell 402 is provided with drive mechanism 5;The end of several groups of stirring blade 405 away from connecting sleeve 404 is fixedly installed with scraper 6, and scraper 6 is in contact with the inner wall of kettle body 2.
[0032] Raw materials are added to kettle body 2 by feeding pipe 3, first driven bevel gear 407 is driven to rotate forward by drive mechanism 5, and second driven bevel gear 408 is driven to rotate reversely, so that first driven bevel gear 407 drives positive direction stirring shaft 401 to drive the stirring blade 405 connected with it to rotate forward, and reverse stirring shaft 403 drives the stirring blade 405 connected with it to rotate reversely, since the directions of positive direction stirring shaft 401 and reverse stirring shaft 403 are opposite, strong shear force and convection effect are formed, at the same time, raw materials form vortex by guide hole 406, further promote the mixing of raw materials, help the rapid dispersion and mixing of high-viscosity phenolic resin raw materials, and greatly improve the dispersibility of high-viscosity phenolic resin raw materials;The rotation of stirring blade 405 drives scraper 6 to scrape the raw materials on the inner wall of kettle body 2, effectively preventing the adhesion and accumulation of raw materials on the inner wall of kettle body 2, thereby further improving the uniformity of the mixture in kettle body 2.
[0033] Refer to Figures 1-3 Drive mechanism 5 includes motor 501, motor 501 is fixedly installed on the top end of kettle body 2, the output end of motor 501 is fixedly installed with driving bevel gear 502 by being arranged in the side wall of protective shell 402, driving bevel gear 502 is meshed with first driven bevel gear 407 and second driven bevel gear 408, and first driven bevel gear 407 and second driven bevel gear 408 are located on the upper and lower sides of driving bevel gear 502 respectively;The inner wall of kettle body 2 is fixedly installed with electric heating layer 7, the top end of frame 1 is fixedly installed with controller 9, electric heating layer 7 is electrically connected with controller 9;
[0034] The motor 501 drives the driving bevel gear 502 to rotate, and the first driven bevel gear 407 and the second driven bevel gear 408 are located on the upper and lower sides of the driving bevel gear 502 and are in meshing connection with the driving bevel gear 502, so that the motor 501 drives the first driven bevel gear 407 and the second driven bevel gear 408 to rotate simultaneously through a set of driving bevel gears 502, thereby driving the forward stirring shaft 401 and the reverse stirring shaft 403 to rotate reversely synchronously, reducing the waste of electric energy and improving the economic and environmental protection of the device; the controller 9 is used for temperature adjustment of the electric heating layer 7, so as to provide a required temperature environment for the kettle body 2, which is beneficial to meet the reaction requirements of various raw materials, and meanwhile, the controller 9 is convenient for the staff to control the device.
[0035] With reference to Figures 1-3 The first bearing 801 is fixedly installed at the connection between the forward stirring shaft 401 and the kettle body 2, and the second bearing 802 is fixedly installed at the connection between the reverse stirring shaft 403 and the protective shell 402; the flow guide holes 406 on the stirring blades 405 have a gradually decreasing diameter, and the flow guide holes 406 close to the scraper 6 have a large diameter, and the flow guide holes 406 close to the connecting sleeve 404 have a small diameter; the first bearing 801 improves the smoothness of the rotation of the forward stirring shaft 401, and the second bearing 802 improves the smoothness of the rotation of the reverse stirring shaft 403; the gradually decreasing diameter of the flow guide holes 406 on the stirring blades 405 helps to form a more uniform flow field during stirring, further improving the mixing efficiency of the raw materials.
[0036] With reference to Figures 2-4 The kettle body 2 is fixedly installed with the discharging pipe 10 at the bottom, and the electric control valve 11 is fixedly installed in the discharging pipe 10; the inner wall of the kettle body 2 is fixedly connected with an anti-sticking coating; the product in the kettle body 2 after completing the reaction is automatically discharged through the discharging pipe 10 by controlling the electric control valve 11, improving the practicability during use; the anti-sticking coating reduces the adhesion of the raw materials to the inner wall of the kettle body 2, reducing the difficulty of cleaning the kettle body 2.
[0037] Working principle: the raw materials are added into the kettle body 2 through the feeding pipe 3, the first driven bevel gear 407 is driven to rotate forward and the second driven bevel gear 408 is driven to rotate reversely by the driving mechanism 5, so that the first driven bevel gear 407 drives the forward stirring shaft 401 and the stirring blades 405 connected thereto to rotate forward, and the reverse stirring shaft 403 and the stirring blades 405 connected thereto to rotate reversely, since the forward stirring shaft 401 and the reverse stirring shaft 403 rotate in opposite directions, strong shearing force and convection effect are formed, at the same time, the raw materials form vortex through the flow guide holes 406, which further promotes the mixing of the raw materials, helps the rapid dispersion and mixing of high-viscosity phenolic resin raw materials, greatly improves the dispersibility of high-viscosity phenolic resin raw materials, and the motor 501 drives the driving bevel gear 502 to rotate, since the first driven bevel gear 407 and the second driven bevel gear 408 are located on the upper and lower sides of the driving bevel gear 502 and are meshed with the driving bevel gear 502, the motor 501 drives the first driven bevel gear 407 and the second driven bevel gear 408 to rotate at the same time through a set of driving bevel gears 502, so that the forward stirring shaft 401 and the reverse stirring shaft 403 are driven to rotate reversely at the same time, through the ingenious linkage design, the waste of electric energy is reduced, and the economic and environmental protection of the device is improved.
[0038] Among them, the scraper 6 is driven to scrape the raw materials on the inner wall of the kettle body 2 by the rotation of the stirring blades 405, effectively preventing the adhesion and accumulation of the raw materials on the inner wall of the kettle body 2, thereby further improving the uniformity of the mixing of the raw materials in the kettle body 2, and the controller 9 is used to adjust the temperature of the heating layer 7 to provide the required temperature environment for the kettle body 2, which is conducive to meeting the reaction needs of various raw materials, and at the same time, the controller 9 is convenient for the staff to control the device.
[0039] At the same time, the first bearing 801 improves the smoothness of the rotation of the forward stirring shaft 401, and the second bearing 802 improves the smoothness of the rotation of the reverse stirring shaft 403; the control valve 11 is controlled to automatically discharge the products reacted in the kettle body 2 through the discharge pipe 10, improving the practicability during use.
[0040] In addition, the flow guide holes 406 on the stirring blades 405 are designed from large to small, which helps to form a more uniform flow field during stirring, further improving the mixing efficiency of the raw materials; the anti-sticking coating reduces the adhesion of the raw materials to the inner wall of the kettle body 2, reducing the difficulty of cleaning the kettle body 2.
[0041] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application. Although the present application is described in detail with reference to the foregoing embodiments, modifications to the foregoing embodiments or equivalent replacements to some technical features thereof can be made by those skilled in the art. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A reactor vessel comprising a frame (1), characterized in that, The top of the rack (1) is fixedly installed with a kettle body (2), the top of the kettle body (2) is fixedly installed with a feeding pipe (3), the inside of the kettle body (2) is provided with a stirring mechanism (4), the stirring mechanism (4) comprises a forward stirring shaft (401), the forward stirring shaft (401) is rotatably connected with the top of the kettle body (2), the top end of the kettle body (2) is fixedly installed with a protective shell (402), the inside of the forward stirring shaft (401) is rotatably connected with a reverse stirring shaft (403), the top end of the reverse stirring shaft (403) penetrates the forward stirring shaft (401) and is rotatably connected with the top of the protective shell (402), the outer surfaces of the forward stirring shaft (401) and the reverse stirring shaft (403) are fixedly installed with a connecting sleeve (404), the outer wall of the connecting sleeve (404) is fixedly installed with two groups of stirring blades (405), the inside of the stirring blade (405) is provided with a plurality of groups of flow guide holes (406), the top of the forward stirring shaft (401) penetrates the kettle body (2) and is fixedly installed with a first driven bevel gear (407), the top of the reverse stirring shaft (403) is fixedly installed with a second driven bevel gear (408), and the second driven bevel gear (408) is rotatably connected with the top of the protective shell (402), one side of the protective shell (402) is provided with a driving mechanism (5).
2. The reactor of claim 1, wherein The driving mechanism (5) comprises a motor (501), the motor (501) is fixedly installed at the top end of the kettle body (2), the output end of the motor (501) penetrates the side wall of the protective shell (402) and is fixedly installed with a driving bevel gear (502), the driving bevel gear (502) is meshed with the first driven bevel gear (407) and the second driven bevel gear (408), and the first driven bevel gear (407) and the second driven bevel gear (408) are located on the upper and lower sides of the driving bevel gear (502) respectively.
3. The reactor of claim 1, wherein The end, away from the connecting sleeve (404), of each of the plurality of groups of stirring blades (405) is fixedly installed with a scraper (6), and the scraper (6) abuts against the inner wall of the kettle body (2).
4. The reactor of claim 1, wherein The inner wall of the kettle body (2) is fixedly installed with an electric heating layer (7), the top end of the rack (1) is fixedly installed with a controller (9), and the electric heating layer (7) is electrically connected with the controller (9).
5. The reactor of claim 1 wherein, The connection between the forward stirring shaft (401) and the kettle body (2) is fixedly installed with a first bearing (801), and the connection between the reverse stirring shaft (403) and the protective shell (402) is fixedly installed with a second bearing (802).
6. The reactor of claim 1, wherein The bottom of the kettle body (2) is fixedly installed with a discharging pipe (10), and the inside of the discharging pipe (10) is fixedly installed with an electric control valve (11).
7. The reactor of claim 3 wherein, The pore diameter of the flow guide hole (406) on the stirring blade (405) gradually decreases, the flow guide hole (406) close to the scraper (6) has a large pore diameter, and the flow guide hole (406) close to the connecting sleeve (404) has a small pore diameter.
8. The reactor of claim 1 wherein, The inner wall of the kettle body (2) is fixedly connected with an anti-sticking coating.