Inhibitor production reaction kettle with self-cleaning function

Abstract

The invention relates to an inhibitor production reaction kettle with a self-cleaning function, which comprises a kettle body, a feeding pipe is arranged at the top end of the kettle body, a discharging pipe is arranged at the bottom end of the kettle body, electromagnetic valves are arranged on the feeding pipe and the discharging pipe, a stirring shaft is rotatably arranged in the kettle body, and the top end of the stirring shaft extends out of the kettle body. Blades are arranged on the peripheral side wall of the stirring shaft, scraping plates are arranged at the ends, away from the stirring shaft, of the blades, a driving assembly used for driving the scraping plates to stretch out and draw back is arranged on the stirring shaft, and when the inner peripheral wall of the kettle body needs to be cleaned, the driving assembly drives the scraping plates to move in the direction away from the stirring shaft till the scraping plates abut against the inner peripheral wall of the kettle body; and the scraping plate scrapes off materials adhered to the inner peripheral wall of the kettle body. The kettle has the effect of conveniently cleaning the inner peripheral wall of the kettle body.

Description

Technical Field

[0001] The invention relates to the field of reactors, in particular to an inhibitor production reactor with a self-cleaning function. Background Art

[0002] The reactor is a commonly used stirring equipment in the inhibitor production process. The motor drives the stirring rod and the blades on the stirring rod to rotate and fully mix the materials in the reactor. During the stirring process, the inner wall of the reactor is easily contaminated with materials, which is not easy to clean. Summary of the invention

[0003] In order to solve the above technical problems, the present application provides an inhibitor production reactor with a self-cleaning function.

[0004] The inhibitor production reactor with self-cleaning function provided in this application adopts the following technical solution: A inhibitor production reactor with a self-cleaning function comprises a reactor body, a feed pipe is provided at the top end of the reactor body, a discharge pipe is provided at the bottom end of the reactor body, and solenoid valves are provided on the feed pipe and the discharge pipe. A stirring shaft is rotatably provided inside the reactor body, and the top end of the stirring shaft extends out of the reactor body. Paddles are provided on the peripheral side walls of the stirring shaft, and a scraper is provided at one end of the paddle away from the stirring shaft. A driving component for driving the scraper to extend and retract is provided on the stirring shaft. When the peripheral wall of the reactor body needs to be cleaned, the driving component drives the scraper to move in a direction away from the stirring shaft until it abuts against the inner peripheral wall of the reactor body. When the stirring shaft rotates, the scraper scrapes off the material attached to the peripheral wall of the reactor body.

[0005] By adopting the above technical scheme, cleaning liquid is added into the kettle body through the feed pipe to partially dissolve the material attached to the inner wall of the kettle body, and then the scraper is controlled by the drive component to extend to abut against the inner wall of the kettle body, and the stirring shaft is controlled to rotate, and the scraper scrapes off the material attached to the inner wall of the kettle body. Finally, the solenoid valve on the discharge pipe is opened to discharge the waste liquid to complete the cleaning, thereby realizing self-cleaning of the reactor and improving the convenience of cleaning the reactor.

[0006] Preferably, the driving assembly includes an active rack, a active gear, a synchronous shaft, a driven gear, and a driven rack. The active rack is lifted and lowered in the stirring shaft, and the active gear is rotatably arranged in the stirring shaft. The active gear is meshed with the active rack, and the driven gear rotates synchronously with the active gear through the synchronous shaft. A accommodating chamber for the active rack, the active gear, and the driven gear to move is provided in the stirring shaft. Both ends of the synchronous shaft are rotatably connected to the inner wall of the accommodating chamber, and the active gear and the driven gear are fixedly connected to the synchronous shaft. The driven rack is meshed with the driven gear, and the driven rack slides along the length direction of the blade. A sliding groove for the driven rack to slide is provided on the blade, and the sliding groove is communicated with the accommodating chamber. One end of the driven rack passes through the outside of the blade and is fixedly connected to the scraper.

[0007] Preferably, the blades are arranged in multiple rows from top to bottom along the axial direction of the stirring shaft, each row corresponds to two blades and the two blades are located in a straight line, and of the two blades in each row, the scraper of one blade is retractable, and the scraper of the other blade is fixed; Each two adjacent rows of blades from top to bottom are arranged in parallel, and the driven racks corresponding to the two adjacent rows of blades are meshed with the radial sides of the driven gear. In the two adjacent rows of blades, the telescopic scrapers are located on the radial sides of the stirring shaft and slide out in opposite directions.

[0008] By adopting the above technical solution, the active rack is driven to descend, driving the active gear to rotate counterclockwise, thereby the driven gear to rotate counterclockwise. In the two adjacent rows of paddles, the driven rack corresponding to the left paddle in the upper row drives the scraper to slide to the left until it abuts against the inner wall of the kettle body, and the driven rack corresponding to the right paddle in the lower row drives the scraper to slide to the right until it abuts against the inner wall of the kettle body. Two rows of impurities can be scraped off by one lifting cylinder, saving energy.

[0009] Preferably, two adjacent rows of parallel blades form a stirring blade group, the length directions of the blades of the two adjacent stirring blade groups are perpendicular to each other, and the drive components corresponding to the two adjacent stirring blade groups are staggered.

[0010] By adopting the above technical solution, interference between the driving components of two adjacent groups of stirring blades can be avoided.

[0011] Preferably, a lifting cylinder is provided on the top of the stirring shaft, the top end of the active rack extends out of the stirring shaft, and the piston rod of the lifting cylinder is fixedly connected to the top of the active rack through a connecting rod.

[0012] Preferably, a fixing ring is provided on the outer peripheral wall at the top of the stirring shaft, and a mounting bracket is provided on the fixing ring, the mounting bracket is C-shaped, the bottom of the mounting bracket is fixedly connected to the fixing ring, the lifting cylinder is fixed to the top of the mounting bracket, the piston rod of the lifting cylinder passes through the top wall of the mounting bracket and is slidingly connected to the mounting bracket, the piston rod of the lifting cylinder is fixedly connected to the connecting rod after passing through the mounting bracket, and the end of the connecting rod away from the lifting cylinder is fixedly connected to the active rack.

[0013] Preferably, a sealing plug is provided at the top of the accommodating chamber, the sealing plug is provided with a lifting groove for the active rack to be lifted and lowered, and the outer peripheral wall of the sealing plug is welded to the inner peripheral wall of the accommodating chamber.

[0014] By adopting the above technical solution, the sealing performance of the stirring shaft is improved and the connection with the rotating motor is facilitated.

[0015] Preferably, the scraper is arranged at an angle, and the length direction of the scraper intersects with the vertical direction.

[0016] By adopting the above technical solution, interference between the scrapers of two adjacent rows of parallel blades can be avoided.

[0017] Preferably, a plurality of discharge pipes are arranged equidistantly along the circumference of the bottom wall of the reactor.

[0018] By adopting the above technical solution, the adequacy of waste discharge is improved and the situation where waste materials and waste liquids remain in the kettle body is reduced.

[0019] Preferably, a support frame is provided at the top of the kettle body, a rotating motor is fixedly mounted on the support frame, an output shaft of the rotating motor is coaxially arranged with the stirring shaft, and the output shaft of the rotating motor is fixedly connected with a sealing plug.

[0020] In summary, the present application includes at least one of the following beneficial technical effects: 1. It is easy to clean the inner wall of the reactor; 2. Improve the adequacy of waste discharge and reduce the amount of waste materials and waste liquid remaining in the kettle; 3. The scraper can be quickly switched between normal stirring work and cleaning work. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of an inhibitor production reactor with a self-cleaning function in an embodiment of the present application.

[0022] Figure 2 It is a schematic diagram of the cross-sectional structure used to show the interior of the kettle body in the embodiment of the present application.

[0023] Figure 3It is a cross-sectional structural diagram used to illustrate the relationship between the drive assembly and the blades and scrapers in the embodiment of the present application.

[0024] Figure 4 It is a schematic diagram of the cross-sectional structure of the slideway after hiding the sealing plug in the embodiment of the present application.

[0025] Explanation of the reference numerals in the accompanying drawings: 1. kettle body; 11. feed pipe; 12. discharge pipe; 13. support frame; 14. rotating motor; 2. stirring shaft; 21. accommodating chamber; 22. fixing ring; 23. mounting frame; 24. connecting rod; 25. sealing plug; 3. paddle; 31. slide groove; 4. scraper; 5. driving assembly; 51. driving rack; 52. driving gear; 53. synchronous shaft; 54. driven gear; 55. driven rack; 56. lifting cylinder. DETAILED DESCRIPTION

[0026] The following is combined with Figure 1-4 This application is described in further detail.

[0027] The embodiment of the present application discloses an inhibitor production reactor with a self-cleaning function.

[0028] Reference Figure 1-4 The inhibitor production reactor with self-cleaning function includes a reactor body 1, a feed pipe 11 is arranged at the top of the reactor body 1, a discharge pipe 12 is arranged at the bottom of the reactor body 1, and electromagnetic valves are arranged on the feed pipe 11 and the discharge pipe 12. A plurality of discharge pipes 12 are arranged equidistantly along the circumference of the bottom wall of the reactor to improve the adequacy of waste discharge and reduce the situation where waste materials and waste liquids remain in the reactor body 1.

[0029] A stirring shaft 2 is rotatably arranged in the kettle body 1, and the top end of the stirring shaft 2 extends out of the kettle body 1. A bearing is arranged on the inner bottom wall of the kettle body 1, and the bottom end of the stirring shaft 2 is rotatably connected to the inner bottom wall of the kettle body 1 through the bearing. A paddle 3 is arranged on the peripheral side wall of the stirring shaft 2, and a scraper 4 is arranged at the end of the paddle 3 away from the stirring shaft 2. The end of the scraper 4 away from the paddle 3 is arranged in an arc shape to avoid scratching the kettle body 1.

[0030] A driving assembly 5 for driving the scraper 4 to extend and retract is provided on the stirring shaft 2. When the inner wall of the kettle body 1 needs to be cleaned, the driving assembly 5 drives the scraper 4 to move in a direction away from the stirring shaft 2 until it abuts against the inner wall of the kettle body 1. When the stirring shaft 2 rotates, the scraper 4 scrapes off the material attached to the inner wall of the kettle body 1.

[0031] Cleaning liquid is added into the kettle body 1 through the feed pipe 11 to partially dissolve the material attached to the inner wall of the kettle body 1, and then the scraper 4 is controlled to extend to abut against the inner wall of the kettle body 1 through the drive component 5, and the stirring shaft 2 is controlled to rotate, and the scraper 4 scrapes off the material attached to the inner wall of the kettle body 1. Finally, the solenoid valve on the discharge pipe 12 is opened to discharge the waste liquid to complete the cleaning, thereby realizing the self-cleaning of the reactor and improving the convenience of cleaning the reactor.

[0032] The driving assembly 5 includes a driving rack 51, a driving gear 52, a synchronous shaft 53, a driven gear 54, and a driven rack 55. The driving rack 51 is lifted and lowered in the stirring shaft 2, and the driving gear 52 is rotatably arranged in the stirring shaft 2. The driving gear 52 is meshed with the driving rack 51, and the driven gear 54 rotates synchronously with the driving gear 52 through the synchronous shaft 53. A accommodating chamber 21 for the active activities of the driving rack 51, the driving gear 52, and the driven gear 54 is provided in the stirring shaft 2. Both ends of the synchronous shaft 53 are rotatably connected to the inner wall of the accommodating chamber 21. The driving gear 52 and the driven gear 54 are both fixedly connected to the synchronous shaft 53. The driven rack 55 is meshed with the driven gear 54. The driven rack 55 slides along the length direction of the blade 3. A slide groove 31 for the driven rack 55 to slide is provided on the blade 3. The slide groove 31 is communicated with the accommodating chamber 21, and one end of the driven rack 55 passes through the outside of the blade 3 and is fixedly connected to the scraper 4.

[0033] A lifting cylinder 56 is provided at the top of the stirring shaft 2 , and the top of the active rack 51 extends out of the stirring shaft 2 . The piston rod of the lifting cylinder 56 is fixedly connected to the top of the active rack 51 through the connecting rod 24 .

[0034] A fixing ring 22 is provided on the outer peripheral wall at the top of the stirring shaft 2, and a mounting frame 23 is provided on the fixing ring 22. The mounting frame 23 is C-shaped, and the bottom of the mounting frame 23 is fixedly connected to the fixing ring 22. The lifting cylinder 56 is fixed to the top of the mounting frame 23. The piston rod of the lifting cylinder 56 passes through the top wall of the mounting frame 23 and is slidably connected to the mounting frame 23. After passing through the mounting frame 23, the piston rod of the lifting cylinder 56 is fixedly connected to the connecting rod 24. The end of the connecting rod 24 away from the lifting cylinder 56 is fixedly connected to the active rack 51.

[0035] A sealing plug 25 is provided at the top of the accommodating chamber 21 . The sealing plug 25 has a lifting groove for the active rack 51 to lift. The lifting groove runs through both ends of the sealing plug 25 . The outer peripheral wall of the sealing plug 25 is welded to the inner peripheral wall of the accommodating chamber 21 .

[0036] A support frame 13 is provided at the top of the kettle body 1 , and a rotating motor 14 is fixedly mounted on the support frame 13 . The output shaft of the rotating motor 14 is coaxially arranged with the stirring shaft 2 , and the output shaft of the rotating motor 14 is fixedly connected with the sealing plug 25 .

[0037] The provision of the sealing plug 25 improves the sealing performance of the stirring shaft 2 and facilitates the connection with the rotating motor 14 .

[0038] The paddle blades 3 are arranged in multiple rows from top to bottom along the axial direction of the stirring shaft 2, each row corresponds to two paddle blades 3 and the two paddle blades 3 are located in a straight line. In the two paddle blades 3 in each row, the scraper 4 of one paddle blade 3 is retractable, and the scraper 4 of the other paddle blade 3 is fixed. Since the scraper 4 rotates when the stirring shaft 2 rotates, a scraper 4 in the same row can scrape off the material on a circle of the inner circumferential wall corresponding to the scraper 4.

[0039] The blades 3 of each two adjacent rows from top to bottom are arranged in parallel, and the scraper 4 is arranged obliquely, and the length direction of the scraper 4 intersects with the vertical direction to avoid interference between the scrapers 4 of the two adjacent rows of parallel blades 3.

[0040] The driven racks 55 corresponding to two adjacent rows of blades 3 are meshed with the driven gear 54 on both sides in the radial direction. In the two adjacent rows of blades 3, the telescopic scrapers 4 are located on both sides in the radial direction of the stirring shaft 2 and slide out in opposite directions.

[0041] Two adjacent rows of parallel blades 3 form a stirring blade group, the length directions of the blades 3 of the two adjacent stirring blade groups are perpendicular to each other, and the drive components 5 corresponding to the two adjacent stirring blade groups are staggered to avoid interference between the drive components 5 of the two adjacent stirring blade groups.

[0042] The lifting cylinder 56 drives the corresponding active rack 51 to descend, driving the active gear 52 to rotate counterclockwise, thereby the driven gear 54 to rotate counterclockwise. In the two adjacent rows of blades 3, the driven rack 55 corresponding to the blade 3 on the left side of the upper row drives the scraper 4 to slide to the left until it abuts against the inner wall of the kettle body 1, and the driven rack 55 corresponding to the blade 3 on the right side of the lower row drives the scraper 4 to slide to the right until it abuts against the inner wall of the kettle body 1. Two rows of impurities can be scraped off by one lifting cylinder 56, saving energy.

[0043] The implementation principle of the inhibitor production reactor with self-cleaning function in the embodiment of the present application is: Cleaning liquid is added into the kettle body 1 through the feed pipe 11 to partially dissolve the material attached to the inner wall of the kettle body 1, and then the scraper 4 is controlled to extend to abut against the inner wall of the kettle body 1 through the drive component 5, and the stirring shaft 2 is controlled to rotate, and the scraper 4 scrapes off the material attached to the inner wall of the kettle body 1. Finally, the solenoid valve on the discharge pipe 12 is opened to discharge the waste liquid to complete the cleaning, thereby realizing the self-cleaning of the reactor and improving the convenience of cleaning the reactor.

[0044] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An inhibitor production reactor with self-cleaning function, characterized in that: The invention comprises a kettle body (1), wherein a feed pipe (11) is arranged at the top end of the kettle body (1), and a discharge pipe (12) is arranged at the bottom end of the kettle body (1), and both the feed pipe (11) and the discharge pipe (12) are provided with electromagnetic valves. A stirring shaft (2) is rotatably arranged in the kettle body (1), and the top end of the stirring shaft (2) extends out of the kettle body (1). A paddle (3) is arranged on the peripheral side wall of the stirring shaft (2), and a scraper (4) is arranged at one end of the paddle (3) away from the stirring shaft (2). A driving component (5) for driving the scraper (4) to extend and retract is arranged on the stirring shaft (2). When it is necessary to clean the inner peripheral wall of the kettle body (1), the driving component (5) drives the scraper (4) to move in a direction away from the stirring shaft (2) until it contacts the inner peripheral wall of the kettle body (1). When the stirring shaft (2) rotates, the scraper (4) scrapes off the material attached to the inner peripheral wall of the kettle body (1).

2. The inhibitor production reactor with self-cleaning function according to claim 1, characterized in that: The driving assembly (5) comprises a driving rack (51), a driving gear (52), a synchronizing shaft (53), a driven gear (54), and a driven rack (55); the driving rack (51) is arranged in a lifting manner in the stirring shaft (2); the driving gear (52) is arranged in a rotatable manner in the stirring shaft (2); the driving gear (52) is meshed with the driving rack (51); the driven gear (54) rotates synchronously with the driving gear (52) via the synchronizing shaft (53); and a container for the driving rack (51), the driving gear (52), and the driven gear (54) to move is provided in the stirring shaft (2). The accommodating chamber (21) is provided with a sliding groove (31) for sliding the driven rack (55), and the sliding groove (31) is communicated with the accommodating chamber (21). One end of the driven rack (55) passes through the outside of the blade (3) and is fixedly connected to the scraper (4).

3. The inhibitor production reactor with self-cleaning function according to claim 2, characterized in that: The blades (3) are arranged in a plurality of rows from top to bottom along the axial direction of the stirring shaft (2), each row corresponds to two blades (3) and the two blades (3) are located in a straight line, and of the two blades (3) in each row, the scraper (4) of one blade (3) is retractable, and the scraper (4) of the other blade (3) is fixed; Each two adjacent rows of blades (3) are arranged in parallel from top to bottom, and the driven racks (55) corresponding to the two adjacent rows of blades (3) are meshed with the driven gears (54) on both sides of the radial direction. In the two adjacent rows of blades (3), the telescopic scrapers (4) are located on both sides of the radial direction of the stirring shaft (2) and slide out in opposite directions.

4. The inhibitor production reactor with self-cleaning function according to claim 3, characterized in that: Two adjacent rows of parallel blades (3) form a stirring blade group, the length directions of the blades (3) of the two adjacent stirring blade groups are perpendicular to each other, and the drive components (5) corresponding to the two adjacent stirring blade groups are staggered.

5. The inhibitor production reactor with self-cleaning function according to claim 2, characterized in that: A lifting cylinder (56) is provided at the top of the stirring shaft (2), the top end of the active rack (51) extends out of the stirring shaft (2), and the piston rod of the lifting cylinder (56) is fixedly connected to the top of the active rack (51) via a connecting rod (24).

6. The inhibitor production reactor with self-cleaning function according to claim 5, characterized in that: A fixing ring (22) is arranged on the outer peripheral wall of the top of the stirring shaft (2), and a mounting frame (23) is arranged on the fixing ring (22). The mounting frame (23) is C-shaped, and the bottom of the mounting frame (23) is fixedly connected to the fixing ring (22). The lifting cylinder (56) is fixed to the top of the mounting frame (23), and the piston rod of the lifting cylinder (56) passes through the top wall of the mounting frame (23) and is slidably connected to the mounting frame (23). After passing through the mounting frame (23), the piston rod of the lifting cylinder (56) is fixedly connected to the connecting rod (24), and one end of the connecting rod (24) away from the lifting cylinder (56) is fixedly connected to the active rack (51).

7. The inhibitor production reactor with self-cleaning function according to claim 2, characterized in that: A sealing plug (25) is provided at the top of the accommodating chamber (21), and the sealing plug (25) is provided with a lifting groove for the active rack (51) to be lifted and lowered, and the outer peripheral wall of the sealing plug (25) is welded to the inner peripheral wall of the accommodating chamber (21).

8. The inhibitor production reactor with self-cleaning function according to claim 1, characterized in that: The scraper (4) is arranged obliquely, and the length direction of the scraper (4) intersects with the vertical direction.

9. The inhibitor production reactor with self-cleaning function according to claim 1, characterized in that: A plurality of discharge pipes (12) are arranged at equal intervals along the circumference of the bottom wall of the reaction kettle.

10. The inhibitor production reactor with self-cleaning function according to claim 1, characterized in that: A support frame (13) is provided at the top end of the kettle body (1), a rotating motor (14) is fixedly mounted on the support frame (13), an output shaft of the rotating motor (14) is coaxially arranged with the stirring shaft (2), and the output shaft of the rotating motor (14) is fixedly connected to a sealing plug (25).

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