An agitator-type reaction vessel and a method for cleaning the same

Abstract

The application relates to the technical field of reaction equipment, in particular to a convenient-to-clean enamel reaction kettle and a cleaning method. The convenient-to-clean enamel reaction kettle comprises a base, a reaction kettle and a rotating shaft, the rotating shaft is vertically arranged in the inside of the reaction kettle, the outer wall of the rotating shaft is fixedly provided with a hollow disc, the bottom of the hollow disc is provided with a spray head, the reaction kettle is provided with a driving mechanism connected with the rotating shaft, the convenient-to-clean enamel reaction kettle further comprises a water tank, a scraper and a paddle base, the hollow disc is connected with the water tank through a suction mechanism, the suction mechanism is matched with the driving mechanism, the scraper is connected with the rotating shaft through an elastic assembly, and the inside of the reaction kettle is provided with a stirring assembly. The three cleaning actions of spraying, wall scraping and stirring are completed under a single power source, accumulated materials and scale can be quickly removed without disassembling the kettle, the cleaning time is shortened, the manual labor intensity is reduced, the amount of chemical cleaning agent is reduced, the service life of the enamel layer is prolonged, the reaction purity and the quality stability between batches are ensured.

Description

Technical Field

[0001] This invention relates to the field of reaction equipment technology, specifically to an easy-to-clean enamel-lined reaction vessel and a cleaning method thereon. Background Technology

[0002] Enameled reactors, with their excellent corrosion resistance and smooth surface, have become core equipment in the fine chemical, pharmaceutical, and food industries for processes such as acid-base reactions, crystallization, and concentration. However, after the reaction, sticky substances, hardened crystals, or oily deposits remaining inside the reactor easily adhere to the enamel walls. Traditional cleaning methods have the following drawbacks:

[0003] Manually entering the vessel to scrape is not only labor-intensive and time-consuming, but also easily scratches the enamel surface with hard tools, leading to exposure of the base steel plate, pitting corrosion, and perforation, thus shortening the equipment's lifespan. After disassembling the vessel, high-pressure water guns or chemical solvent soaking require additional lifting equipment and large cleaning areas, resulting in production line downtime of up to several shifts and high overall costs. Fixed spray balls can only spray at fixed points on the top of the vessel, covering many dead corners, and lack mechanical scrubbing function, requiring secondary manual treatment for stubborn residues. Although some vessels are equipped with rotating scrapers, the scrapers do not adhere well to the wall surface and cannot adapt to the thermal expansion and contraction of the enamel and the manufacturing ellipticity, resulting in "missed scraping" or "overpressure" phenomena. At the same time, the single revolution mode of the scraper has limited stirring effect in complex flow field areas, and the cleaning fluid is unable to form effective shear on the micro-uneven surface, resulting in high consumption of chemical cleaning agents and an increased risk of cross-contamination between batches. Summary of the Invention

[0004] The purpose of this invention is to provide an easy-to-clean enamel-lined reactor and a cleaning method to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] An easy-to-clean enamel-lined reactor includes a base, a reactor, and a rotating shaft. The reactor is fixedly mounted on the base, and the rotating shaft is vertically rotatable inside the reactor. A hollow disc is fixedly mounted on the outer wall of the rotating shaft, and multiple nozzles are fixedly mounted along the circumference of the bottom of the hollow disc.

[0007] The reactor is equipped with a drive mechanism connected to a rotating shaft. When the drive mechanism is running, the rotating shaft will drive the hollow disc and multiple nozzles to rotate.

[0008] It also includes a water tank, a scraper, and a paddle seat. The water tank is fixedly mounted on the base. The hollow disc is connected to the water tank through a suction mechanism, and the suction mechanism cooperates with the drive mechanism. During the operation of the drive mechanism, the suction mechanism can transport water from the water tank into the hollow disc.

[0009] The scraper is connected to the rotating shaft via an elastic component and is always in contact with the inner wall of the reactor under the action of the elastic component. The reactor is equipped with a stirring component. The paddle seat is connected to the elastic component and cooperates with the stirring component. When the rotating shaft rotates, the scraper will scrape the inner wall of the reactor, and the paddle seat will revolve around the rotating shaft while rotating on its own axis.

[0010] The enamel-lined reactor described above is easy to clean.

[0011] The driving mechanism includes a motor and a transmission shaft. The motor is fixedly mounted on the reactor and its output end is coaxially and fixedly connected to the top end of the rotating shaft. The transmission shaft is horizontally rotatably mounted on the reactor.

[0012] A driving bevel gear is coaxially fixed on the rotating shaft, and a driven bevel gear that meshes with the driving bevel gear is coaxially fixed at one end of the transmission shaft.

[0013] The enamel-lined reactor described above is easy to clean.

[0014] The reactor is horizontally rotatably equipped with a reversing shaft, and a small bevel gear is coaxially fixed at the other end of the drive shaft, while a large bevel gear is coaxially fixed at one end of the reversing shaft.

[0015] The large bevel gear and the small bevel gear mesh with each other, and a drive pulley is coaxially fixed at the other end of the reversing shaft.

[0016] The enamel-lined reactor described above is easy to clean.

[0017] The suction mechanism includes a cylinder base and a hollow cylinder. The cylinder base is coaxially sleeved outside the rotating shaft and fixedly connected to the top of the reactor.

[0018] The hollow cylinder is coaxially sleeved outside the rotating shaft and is fixedly connected to the top of the hollow disk. The cylinder base and the hollow cylinder rotate in relation to each other.

[0019] The enamel-lined reactor described above is easy to clean.

[0020] The hollow cylinder has multiple openings evenly arranged along the circumferential direction on its side wall. These openings connect the hollow cylinder, the cylinder base, and the hollow disc, and the hollow disc and the hollow cylinder remain connected during the rotation of the rotating shaft.

[0021] The cylinder base is provided with two sealing rings inside, which are located above and below the plurality of openings, respectively.

[0022] The enamel-lined reactor described above is easy to clean.

[0023] A cylinder is vertically fixed on the base, and a piston rod is vertically slidably fitted on the top of the cylinder;

[0024] The bottom of the cylinder is connected to the bottom of the water tank via a water pipe, and a first check valve is installed on the water pipe. The bottom of the cylinder is connected to the cylinder seat via a conduit, and a second check valve is installed on the conduit.

[0025] The enamel-lined reactor described above is easy to clean.

[0026] The suction mechanism also includes a rotating rod, a rotating arm, and a connecting rod. The rotating rod is rotatably mounted on the reactor via a frame. One end of the rotating arm is fixedly connected to the rotating rod, and both ends of the connecting rod are rotatably connected to the other end of the rotating arm and the top of the piston rod, respectively.

[0027] A driven pulley is coaxially fixed on the rotating rod, and the driven pulley and the driving pulley are connected by a toothed belt.

[0028] The enamel-lined reactor described above is easy to clean.

[0029] The elastic component includes a sleeve and a sliding rod that slides with the sleeve. One end of the sleeve is fixedly connected to the rotating shaft, and one end of the sliding rod is fixedly connected to the scraper.

[0030] The sleeve is equipped with a spring inside, and the two ends of the spring abut against the inner wall of one end of the sleeve and the other end of the slide rod, respectively. The paddle seat is coaxially rotatably sleeved on the outer wall of the sleeve.

[0031] The enamel-lined reactor described above is easy to clean.

[0032] The stirring assembly includes a central bevel gear and a pin. The central bevel gear is coaxially sleeved on the outside of the rotating shaft and fixedly connected to the inner wall of the reactor through a support frame. The pin is horizontally rotatably mounted on the rotating shaft.

[0033] A planetary bevel gear that meshes with the central bevel gear is coaxially fixed on the pin shaft, a driving gear is coaxially fixed on the pin shaft, and a driven gear that meshes with the driving gear is coaxially fixed on the propeller base.

[0034] A cleaning method for an easy-to-clean enamel-lined reactor, applicable to the aforementioned easy-to-clean enamel-lined reactor, includes the following steps:

[0035] Start the drive mechanism, the motor drives the rotating shaft to rotate at a constant speed, the hollow disc and the nozzle rotate synchronously, and at the same time the suction mechanism continuously presses the cleaning liquid in the water tank into the hollow disc under the same power drive, and the nozzle sprays it evenly onto the inner wall of the reactor in the circumferential motion to form a continuous wetting water curtain.

[0036] The rotating shaft drives the scraper to revolve along the inner wall through the elastic component. The spring automatically compensates for the contact gap, so that the scraper always presses against the enamel surface and continuously peels off the wetted residual layer. The peeled material flows downward with the liquid flow.

[0037] As the paddle base revolves with the elastic component, it gains additional rotation through the meshing transmission of the stirring component. During the circumferential process of revolution, local high-speed shearing and disturbance are generated, which quickly suspends and evenly disperses the scraped particles in the cleaning liquid, preventing secondary deposition.

[0038] After running for the set time, the motor is turned off, spraying and wall scraping are stopped, the discharge valve of the reactor is opened, and the waste liquid containing suspended particles is discharged in one go, completing the online cleaning.

[0039] Compared with the prior art, the beneficial effects of the present invention are:

[0040] The drive mechanism rotates the shaft, causing the hollow disc and the nozzle to rotate synchronously. Under the action of the drive mechanism, the suction mechanism continuously sends the cleaning solution from the water tank into the hollow disc, which is then evenly sprayed onto the vessel wall by the nozzle, achieving simultaneous spraying and scraping. The elastic component keeps the scraper pressed against the inner wall at all times. As the shaft rotates, the scraper continuously scrapes away the attached substances. At the same time, the stirring component works in conjunction with the elastic component to drive the paddle seat to revolve and rotate, forming a compound stirring and scrubbing effect, ensuring that the cleaning solution fully contacts all surfaces and removes residues. The entire device completes the triple cleaning action of spraying, scraping, and stirring under a single power source. It can quickly remove accumulated materials and scale without disassembling the vessel, shortening the cleaning time, reducing manual labor intensity, reducing the amount of chemical cleaning agents used, extending the life of the enamel layer, and ensuring the purity of the reaction and the stability of quality between batches. Attached Figure Description

[0041] Figure 1 A schematic diagram of the overall structure of an enamel-lined reactor designed for easy cleaning.

[0042] Figure 2 Another perspective view of the overall structure of the enamel-lined reactor for easy cleaning;

[0043] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0044] Figure 4 A cross-sectional view of the enamel-lined reactor for easy cleaning;

[0045] Figure 5 In order to be in Figure 4 Cross-sectional views of the hollow disk, cylinder base, hollow cylinder, and cylinder barrel on the basic structure;

[0046] Figure 6 for Figure 5 Enlarged view at point B in the middle;

[0047] Figure 7 for Figure 5 Enlarged view at point C;

[0048] Figure 8 A schematic diagram showing the disassembled components of the enamel-lined reactor, including the base, hollow cylinder, and sealing ring, for easy cleaning.

[0049] Figure 9 In order to be in Figure 5 Sectional view of the paddle holder and sleeve on the foundation;

[0050] Figure 10 for Figure 9 Enlarged view at point D;

[0051] Figure 11 A schematic diagram showing the disassembled stirring and elastic components in an enamel-lined reactor for easy cleaning.

[0052] In the diagram: 1. Base; 2. Reactor; 3. Rotating shaft; 4. Hollow disc; 5. Nozzle; 6. Water tank; 7. Scraper; 8. Paddle holder; 9. Motor; 10. Drive shaft; 11. Driving bevel gear; 12. Driven bevel gear; 13. Reversing shaft; 14. Small bevel gear; 15. Large bevel gear; 16. Driving pulley; 17. Cylinder seat; 18. Hollow cylinder; 1801. Opening; 19. Sealing ring; 20. Cylinder barrel; 21. Piston rod; 22. Water pipe; 23. No. 1 check valve; 24. Conduit; 25. No. 2 check valve; 26. Frame; 27. Rotating rod; 28. Rotating arm; 29. ​​Connecting rod; 30. Driven pulley; 31. Toothed belt; 32. Sleeve; 33. Slide rod; 34. Spring; 35. Central bevel gear; 36. Pin; 37. Support frame; 38. Planetary bevel gear; 39. Driving gear; 40. Driven gear. Detailed Implementation

[0053] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0054] Please see Figure 1-11As an embodiment of the present invention, an easy-to-clean enamel-lined reactor includes a base 1, a reactor 2, and a rotating shaft 3. The reactor 2 is fixedly installed on the base 1. The rotating shaft 3 is vertically rotatably disposed inside the reactor 2. A hollow disc 4 is fixedly disposed on the outer wall of the rotating shaft 3. A plurality of nozzles 5 are fixedly disposed along the circumference of the bottom of the hollow disc 4.

[0055] The reactor 2 is equipped with a drive mechanism connected to the rotating shaft 3. When the drive mechanism is running, the rotating shaft 3 will drive the hollow disc 4 and the multiple nozzles 5 to rotate.

[0056] It also includes a water tank 6, a scraper 7 and a paddle seat 8. The water tank 6 is fixedly mounted on the base 1. The hollow disc 4 is connected to the water tank 6 through a suction mechanism. The suction mechanism cooperates with the drive mechanism. During the operation of the drive mechanism, the suction mechanism can transport water from the water tank 6 into the hollow disc 4.

[0057] The scraper 7 is connected to the rotating shaft 3 via an elastic component, and is always in contact with the inner wall of the reactor 2 under the action of the elastic component. The reactor 2 is equipped with a stirring component. The paddle seat 8 is connected to the elastic component and cooperates with the stirring component. When the rotating shaft 3 rotates, the scraper 7 will scrape the inner wall of the reactor 2, and the paddle seat 8 will revolve around the rotating shaft 3 while rotating on its own axis.

[0058] In this embodiment, after the drive mechanism is started, the rotating shaft 3 rotates at a constant speed inside the reactor 2, and the hollow disc 4 fixed to its outer wall rotates synchronously. The nozzles 5 arranged in a ring at the bottom of the hollow disc 4 form a continuous water curtain during the circumferential movement. At the same time, the suction mechanism is linked to the same drive mechanism, continuously pressing the cleaning liquid in the water tank 6 into the hollow disc 4, so that the nozzles 5 continuously obtain fresh liquid during the rotation, achieving a uniform wetting effect of spraying while moving. The elastic component elastically presses the scraper 7 against the inner wall of the reactor 2. When the rotating shaft 3 rotates, the scraper 7 slides along the wall surface, cleaning the already cleaned liquid. The wetted residual layer is immediately peeled off; the elastic component is connected to the paddle seat 8, which meshes with the stirring component during the revolution, generating additional rotation, forming a compound motion of revolution and rotation. The revolution ensures that the paddle seat 8 traverses the circumference of the reactor 2, while the rotation generates high-speed shearing and disturbance in local areas, which quickly suspends and evenly disperses the scraped particles in the cleaning liquid, and discharges them out of the reactor 2 with the liquid flow; the whole set of actions is completed synchronously by a single power source, and the spraying, wall scraping and stirring are coupled in time and space, so as to achieve continuous, efficient and low-damage online cleaning without disassembling the reactor;

[0059] This application relates to an enamel-lined reactor used for L-carnitine and its series of products (derivatives of L-carnitine). The industrial route for L-carnitine typically uses epichlorohydrin as the starting material, and completes the process through four steps: resolution, amination, cyanation, and hydrolysis. If L-carnitine derivatives are to be produced, a salt formation reaction is required. The fourth step, hydrolysis, needs to be carried out for 6 hours at 90°C and pH 1, where the materials in the reaction solution easily form a dense organic-inorganic complex scale on the reactor wall. The salt formation process requires an acidic environment of pH 3-5, and in accordance with ICH Q7a and food safety requirements, thorough cleaning must be performed between batches.

[0060] As a further embodiment of the present invention, the driving mechanism includes a motor 9 and a transmission shaft 10. The motor 9 is fixedly mounted on the reaction vessel 2 and its output end is coaxially and fixedly connected to the top end of the rotating shaft 3. The transmission shaft 10 is horizontally rotatably mounted on the reaction vessel 2.

[0061] A drive bevel gear 11 is coaxially fixed on the rotating shaft 3, and a driven bevel gear 12 that meshes with the drive bevel gear 11 is coaxially fixed at one end of the transmission shaft 10.

[0062] A reversing shaft 13 is horizontally rotatably mounted on the reactor 2. A small bevel gear 14 is coaxially fixed at the other end of the transmission shaft 10, and a large bevel gear 15 is coaxially fixed at one end of the reversing shaft 13.

[0063] The large bevel gear 15 and the small bevel gear 14 mesh with each other, and the other end of the reversing shaft 13 is coaxially fixed with a drive pulley 16.

[0064] In this embodiment, please refer to Figure 2 and Figure 3 After the motor 9 starts, its output end directly drives the rotating shaft 3 to rotate around its own axis. The driving bevel gear 11 fixed to the rotating shaft 3 rotates synchronously and meshes with the horizontally arranged driven bevel gear 12, converting the vertical rotation into the horizontal rotation of the transmission shaft 10. The other end of the transmission shaft 10 is equipped with a small bevel gear 14, which meshes with the large bevel gear 15 at the end of the reversing shaft 13, changing the direction of rotation again and reducing the speed, so that the reversing shaft 13 obtains the required torque and speed. The end of the reversing shaft 13 is fixed with a driving pulley 16, which rotates with the shaft to provide a continuous and stable power input for subsequent suction.

[0065] As a further embodiment of the present invention, the suction mechanism includes a cylinder seat 17 and a hollow cylinder 18. The cylinder seat 17 is coaxially sleeved outside the rotating shaft 3 and fixedly connected to the top of the reaction vessel 2.

[0066] The hollow cylinder 18 is coaxially sleeved outside the rotating shaft 3 and is fixedly connected to the top of the hollow disk 4. The cylinder base 17 and the hollow cylinder 18 rotate with each other.

[0067] The sidewall of the hollow cylinder 18 is uniformly provided with a plurality of openings 1801 along the circumferential direction. The plurality of openings 1801 connect the hollow cylinder 18, the cylinder base 17 and the hollow disk 4, and the hollow disk 4 and the hollow cylinder 18 can always maintain a connected state during the rotation of the rotating shaft 3.

[0068] The cylinder base 17 is provided with two sealing rings 19 inside, and the two sealing rings 19 are respectively located above and below the plurality of openings 1801;

[0069] A cylinder 20 is vertically fixed on the base 1, and a piston rod 21 is vertically slidably fitted on the top of the cylinder 20.

[0070] The bottom of the cylinder 20 is connected to the bottom of the water tank 6 via a water pipe 22. A first check valve 23 is installed on the water pipe 22. The bottom of the cylinder 20 is connected to the cylinder seat 17 via a conduit 24. A second check valve 25 is installed on the conduit 24.

[0071] The suction mechanism also includes a rotating rod 27, a rotating arm 28, and a connecting rod 29. The rotating rod 27 is rotatably mounted on the reactor 2 via a frame 26. One end of the rotating arm 28 is fixedly connected to the rotating rod 27. The two ends of the connecting rod 29 are rotatably connected to the other end of the rotating arm 28 and the top of the piston rod 21, respectively.

[0072] A driven pulley 30 is coaxially fixed on the rotating rod 27, and the driven pulley 30 and the driving pulley 16 are connected by a toothed belt 31.

[0073] In this embodiment, please refer to Figure 5 , Figure 6 , Figure 7 and Figure 8The driving pulley 16 rotates continuously with the reversing shaft 13, driving the driven pulley 30 to rotate via the toothed belt 31, causing the rotating rod 27 to rotate at a constant speed on the frame 26. The rotating arm 28, fixed to the rotating rod 27, swings in a circular motion, which is converted into the reciprocating linear motion of the piston rod 21 via the connecting rod 29. When the piston rod 21 moves upward, the volume of the cylinder 20 increases and the pressure decreases, the first check valve 23 opens, and the cleaning fluid in the water tank 6 is drawn into the cylinder 20. When the piston rod 21 moves downward, the volume of the cylinder 20 decreases and the pressure increases, the first check valve 23 closes, the second check valve 25 opens, and the liquid is forced into the cylinder through the conduit 24. The cylinder seat 17 is fixed to the top of the reactor 2 and remains stationary. An annular sealing cavity is formed between the upper and lower sealing rings 19 inside the cylinder seat 17. The hollow cylinder 18, which is fixed to the hollow disc 4, is coaxially sleeved outside the rotating shaft 3. The openings 1801 evenly distributed on the side wall are always located between the two sealing rings 19. Therefore, no matter how the hollow cylinder 18 and the hollow disc 4 rotate with the rotating shaft 3, the openings 1801, the cylinder seat 17 and the hollow disc 4 are always connected. The pressurized liquid passes through the cylinder seat 17 and the openings 1801 in sequence and enters the inner cavity of the hollow cylinder 18. Then it flows into the hollow disc 4 and is finally continuously sprayed out from the bottom nozzle 5 to achieve continuous water supply in the rotating state.

[0074] As a further embodiment of the present invention, the elastic component includes a sleeve 32 and a slide rod 33 that slides with the sleeve 32. One end of the sleeve 32 is fixedly connected to the rotating shaft 3, and one end of the slide rod 33 is fixedly connected to the scraper 7.

[0075] A spring 34 is provided inside the sleeve 32. The two ends of the spring 34 abut against the inner wall of one end of the sleeve 32 and the other end of the slide rod 33, respectively. The paddle seat 8 is coaxially rotatably sleeved on the outer wall of the sleeve 32.

[0076] In this embodiment, please refer to Figure 9 , Figure 10 and Figure 11 The sleeve 32 is fixedly connected to the shaft 3 at its root. One end of the slide rod 33 extends into the inner cavity of the sleeve 32 and can slide axially, while the other end is fixedly connected to the scraper 7. The spring 34 is placed between the bottom of the sleeve 32 and the end face of the slide rod 33, and is always in a compressed state. It applies an outward pushing force to the slide rod 33, so that the scraper 7 elastically presses against the inner wall of the reactor 2. When the shaft 3 rotates, the sleeve 32, the slide rod 33, and the scraper 7 revolve as a whole. The spring 34 automatically extends and retracts according to the wear of the inner wall or local protrusions, maintaining a constant contact pressure. At the same time, the paddle seat 8 is coaxially mounted on the outer wall of the sleeve 32 through the bearing. It revolves with the sleeve 32 and rotates on its own axis due to the meshing relationship with the stirring assembly, thus achieving a compound motion.

[0077] As a further embodiment of the present invention, the stirring assembly includes a central bevel gear 35 and a pin 36. The central bevel gear 35 is coaxially sleeved on the outside of the rotating shaft 3 and fixedly connected to the inner wall of the reactor 2 through a support frame 37. The pin 36 is horizontally rotatably mounted on the rotating shaft 3.

[0078] A planetary bevel gear 38 that meshes with the central bevel gear 35 is coaxially fixed on the pin 36, a driving gear 39 is coaxially fixed on the pin 36, and a driven gear 40 that meshes with the driving gear 39 is coaxially fixed on the propeller base 8.

[0079] In this embodiment, please refer to Figure 9 , Figure 10 and Figure 11 The central bevel gear 35 is fixed to the inner wall of the reactor 2 by the support frame 37 and remains stationary. The pin 36 is horizontally rotatably mounted on the rotating shaft 3. It can revolve with the rotating shaft 3 and rotate around its own axis. When the rotating shaft 3 rotates, the planetary bevel gear 38 on the pin 36 meshes with the stationary central bevel gear 35 and is forced to rotate, which drives the coaxial driving gear 39 to rotate synchronously. The driving gear 39 meshes with the driven gear 40 on the paddle holder 8 and transmits the rotational motion to the paddle holder 8, so that the paddle holder 8 obtains additional rotation while revolving with the sleeve 32, forming a compound stirring trajectory around the inner wall.

[0080] A cleaning method for an easy-to-clean enamel-lined reactor, applicable to the aforementioned easy-to-clean enamel-lined reactor, includes the following steps:

[0081] Start the drive mechanism, the motor drives the rotating shaft to rotate at a constant speed, the hollow disc and the nozzle rotate synchronously, and at the same time the suction mechanism continuously presses the cleaning liquid in the water tank into the hollow disc under the same power drive, and the nozzle sprays it evenly onto the inner wall of the reactor in the circumferential motion to form a continuous wetting water curtain.

[0082] The rotating shaft drives the scraper to revolve along the inner wall through the elastic component. The spring automatically compensates for the contact gap, so that the scraper always presses against the enamel surface and continuously peels off the wetted residual layer. The peeled material flows downward with the liquid flow.

[0083] As the paddle base revolves with the elastic component, it gains additional rotation through the meshing transmission of the stirring component. During the circumferential process of revolution, local high-speed shearing and disturbance are generated, which quickly suspends and evenly disperses the scraped particles in the cleaning liquid, preventing secondary deposition.

[0084] After running for the set time, the motor is turned off, spraying and wall scraping are stopped, the discharge valve of the reactor is opened, and the waste liquid containing suspended particles is discharged in one go, completing the online cleaning.

[0085] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0086] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An easy-to-clean enamel-lined reactor, comprising a base (1), a reactor (2), and a rotating shaft (3), characterized in that, The reactor (2) is fixedly installed on the base (1), the rotating shaft (3) is vertically rotated inside the reactor (2), the outer wall of the rotating shaft (3) is fixedly provided with a hollow disc (4), and the bottom of the hollow disc (4) is fixedly provided with multiple nozzles (5) along the circumference. The reactor (2) is provided with a drive mechanism connected to the rotating shaft (3). When the drive mechanism is running, the rotating shaft (3) will drive the hollow disc (4) and the multiple nozzles (5) to rotate. It also includes a water tank (6), a scraper (7) and a paddle seat (8). The water tank (6) is fixedly mounted on the base (1). The hollow disc (4) is connected to the water tank (6) through a suction mechanism. The suction mechanism cooperates with the drive mechanism. During the operation of the drive mechanism, the suction mechanism can transport water from the water tank (6) into the hollow disc (4). The scraper (7) is connected to the rotating shaft (3) through an elastic component, and is always in contact with the inner wall of the reactor (2) under the action of the elastic component. The reactor (2) is equipped with a stirring component. The paddle seat (8) is connected to the elastic component and cooperates with the stirring component. When the rotating shaft (3) rotates, the scraper (7) will scrape the inner wall of the reactor (2), and the paddle seat (8) will revolve around the rotating shaft (3) while rotating on its own axis. The driving mechanism includes a motor (9) and a transmission shaft (10). The motor (9) is fixedly mounted on the reactor (2) and its output end is coaxially fixedly connected to the top of the rotating shaft (3). The transmission shaft (10) is horizontally rotatably mounted on the reactor (2). A drive bevel gear (11) is coaxially fixed on the rotating shaft (3), and a driven bevel gear (12) that meshes with the drive bevel gear (11) is coaxially fixed at one end of the transmission shaft (10). The reactor (2) is horizontally rotatably equipped with a reversing shaft (13), and a small bevel gear (14) is coaxially fixed at the other end of the transmission shaft (10), and a large bevel gear (15) is coaxially fixed at one end of the reversing shaft (13). The large bevel gear (15) and the small bevel gear (14) mesh with each other, and the other end of the reversing shaft (13) is coaxially fixed with a drive pulley (16). The suction mechanism includes a cylinder seat (17) and a hollow cylinder (18). The cylinder seat (17) is coaxially sleeved outside the rotating shaft (3) and fixedly connected to the top of the reactor (2). The hollow cylinder (18) is coaxially sleeved outside the rotating shaft (3) and is fixedly connected to the top of the hollow disc (4). The cylinder seat (17) and the hollow cylinder (18) rotate and cooperate with each other. The sidewall of the hollow cylinder (18) is uniformly provided with a plurality of openings (1801) along the circumferential direction. The plurality of openings (1801) connect the hollow cylinder (18), the cylinder base (17) and the hollow disc (4), and the hollow disc (4) and the hollow cylinder (18) can always maintain a conductive state during the rotation of the rotating shaft (3). The cylinder base (17) is provided with two sealing rings (19) inside, and the two sealing rings (19) are respectively located above and below the plurality of openings (1801); A cylinder (20) is vertically fixed on the base (1), and a piston rod (21) is vertically slidably fitted on the top of the cylinder (20). The bottom of the cylinder (20) is connected to the bottom of the water tank (6) through a water pipe (22). A first check valve (23) is provided on the water pipe (22). The bottom of the cylinder (20) is connected to the cylinder seat (17) through a conduit (24). A second check valve (25) is provided on the conduit (24). The suction mechanism also includes a rotating rod (27), a rotating arm (28), and a connecting rod (29). The rotating rod (27) is rotatably mounted on the reactor (2) via a frame (26). One end of the rotating arm (28) is fixedly connected to the rotating rod (27), and both ends of the connecting rod (29) are rotatably connected to the other end of the rotating arm (28) and the top of the piston rod (21), respectively. A driven pulley (30) is coaxially fixed on the rotating rod (27), and the driven pulley (30) and the driving pulley (16) are connected by a toothed belt (31); The elastic component includes a sleeve (32) and a slide rod (33) that slides with the sleeve (32). One end of the sleeve (32) is fixedly connected to the rotating shaft (3), and one end of the slide rod (33) is fixedly connected to the scraper (7). The sleeve (32) is provided with a spring (34) inside. The two ends of the spring (34) abut against the inner wall of one end of the sleeve (32) and the other end of the slide rod (33), respectively. The paddle seat (8) is coaxially rotated and sleeved on the outer wall of the sleeve (32).

2. The enamel-lined reactor for easy cleaning according to claim 1, characterized in that, The stirring assembly includes a central bevel gear (35) and a pin (36). The central bevel gear (35) is coaxially sleeved on the outside of the rotating shaft (3) and fixedly connected to the inner wall of the reactor (2) through a support frame (37). The pin (36) is horizontally rotatably mounted on the rotating shaft (3). A planetary bevel gear (38) that meshes with the central bevel gear (35) is coaxially fixed on the pin (36), a driving gear (39) is coaxially fixed on the pin (36), and a driven gear (40) that meshes with the driving gear (39) is coaxially fixed on the propeller seat (8).

3. A cleaning method for an easy-to-clean enamel-lined reactor, characterized in that, The enamel-lined reactor described in any one of claims 1-2 is used.

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