A reaction kettle with automatic stirring cleaning device
By using the dynamic adjustment paddle system and rotary sealing flow channel design of the automatic stirring and cleaning device, the problems of low stirring efficiency and many dead corners in traditional reactors are solved, achieving efficient material mixing and cleaning effects.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGGUAN DINGSHENG ENVIRONMENTAL PROTECTION TECH CO LTD
- Filing Date
- 2025-07-08
- Publication Date
- 2026-05-29
AI Technical Summary
Traditional reactors struggle to balance stirring efficiency and cleaning effectiveness, especially when handling high-viscosity materials, which can easily create stirring blind spots and cleaning dead zones, leading to frequent equipment maintenance and making it impossible to achieve real-time monitoring of the stirring and cleaning processes.
An automatic stirring and cleaning device is adopted, including a paddle system consisting of a dynamically adjustable telescopic rod and springs, combined with a rotating sealed flow channel and curved nozzles, to achieve adaptive mixing and 360-degree cleaning without dead angles during the stirring process.
It improves stirring efficiency and cleaning effect, achieves uniform mixing of high-viscosity materials and full-coverage cleaning of the inner wall of the vessel, reduces equipment maintenance frequency, and improves production efficiency and product quality stability.
Smart Images

Figure CN224293239U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of reactor cleaning technology, and in particular to a reactor with an automatic stirring and cleaning device. Background Technology
[0002] In the field of chemical production, traditional reaction vessels generally suffer from the technical bottleneck of balancing stirring efficiency and cleaning effectiveness. Fixed stirring paddles are prone to stirring blind zones when dealing with high-viscosity materials, resulting in uneven material mixing. Conventional telescopic paddle mechanisms are susceptible to mechanical failure due to the lack of sealing protection and the inability to be protected by material penetration.
[0003] Existing cleaning systems mostly use independent spray devices, which result in complex pipeline layouts and uneven cleaning fluid coverage. In particular, residues on the back of the agitator blades and in the shaft area are difficult to remove, forcing frequent equipment shutdowns for disassembly and cleaning. At the same time, traditional observation port designs cannot achieve real-time monitoring of the agitation and cleaning processes, leading to delays in process adjustments.
[0004] These defects are particularly prominent in fields such as food additives and polymer synthesis, which have stringent requirements for material uniformity and equipment cleanliness, severely restricting continuous production efficiency and product quality stability. Utility Model Content
[0005] To overcome the above shortcomings, this utility model provides a reaction vessel with an automatic stirring and cleaning device, which aims to improve the problems of low stirring efficiency, many cleaning dead spots, and frequent maintenance of traditional reaction vessels in the prior art.
[0006] To achieve the above objectives, the present invention adopts the following technical solution: a reaction vessel with an automatic stirring and cleaning device, comprising a support frame, wherein a reaction vessel body is fixedly connected inside the support frame, a stirring assembly is provided on the top of the reaction vessel body, and a cleaning assembly is provided inside the stirring assembly;
[0007] The stirring assembly includes a motor and a reducer, which are positioned directly above the reactor body. The output end of the motor is fixedly connected to the input end of the reducer, and a rotary joint is fixedly connected to the output end of the reducer. The reducer is fixedly connected to the top of the reactor body, and a rotating shaft is rotatably connected to the reducer via the rotary joint. The rotating shaft is rotatably connected inside the reactor body, and multiple telescopic rods are fixedly connected to the outer surface of the rotating shaft. A blade is fixedly connected to the rotating shaft via the telescopic rods, and a spring is fixedly connected between the blade and the rotating shaft.
[0008] As a further description of the above technical solution: the cleaning component includes multiple infusion tanks, which are opened inside the rotating shaft. The input end of the infusion tank is connected to the output end of the rotary joint. The cleaning component also includes a nozzle, which is fixedly connected to the outer surface of the paddle. An infusion tube is connected between the output end of the infusion tank and the input end of the nozzle.
[0009] As a further description of the above technical solution: a flexible sleeve is fixedly connected between the blade and the rotating shaft, and the flexible sleeve is sleeved on the outside of the spring.
[0010] As a further description of the above technical solution: the infusion tube is installed in the gap between the spring and the telescopic rod.
[0011] As a further description of the above technical solution: a cutting line is fixedly connected between the blade and the outer surface of the rotating shaft.
[0012] As a further description of the above technical solution: the nozzle is curved and the spray direction is the same as the rotation direction of the rotating shaft.
[0013] As a further description of the above technical solution: cutting blocks are fixedly connected to both sides of the outer surface of the blade.
[0014] As a further description of the above technical solution: the outer surface of the reactor body is provided with an inspection port.
[0015] This utility model has the following beneficial effects:
[0016] In this invention, a dynamic adjustment mechanism is formed by a telescopic rod and a spring. When the rotating shaft rotates, centrifugal force is used to automatically adjust the extension amplitude of the paddles. At the same time, the flexible sleeve outside the rotating shaft provides a sealed protection for the spring. In addition, the cutting line and cutting block outside the rotating shaft form a composite shearing network on the movement trajectory of the paddles, which enables the stirring system to adapt to the mixing requirements of materials with different viscosities. When stirring at high speed, the radius of action of the paddles is increased to enhance the mixing efficiency. At low speed, a compact structure is maintained to prevent materials from entanglement. The cutting unit produces a multi-dimensional crushing effect on agglomerated materials, improving the uniformity of the reaction system.
[0017] In this invention, a rotary joint and a delivery tank are used to construct a rotary sealed flow channel; the delivery pipe utilizes the gap between the spring and the telescopic rod to form a concealed cleaning fluid delivery path; and the directional spraying of the curved nozzle and the rotation of the rotating shaft create a reverse flushing flow field. These three elements work together to simultaneously complete the flushing of the inner wall of the vessel during the stirring process. In addition, the fluid guiding characteristics of the curved nozzle enhance the kinetic energy utilization rate of the cleaning fluid. The rotary flushing mode achieves 360-degree coverage without dead angles, ensuring that the cleaning operation is visible and controllable, thus improving the problems of many blind spots and high frequency of disassembly and maintenance in traditional reaction vessel cleaning. Attached Figure Description
[0018] Figure 1 This is a side view of a reaction vessel with an automatic stirring and cleaning device proposed in this utility model;
[0019] Figure 2 This is a front view of the stirring assembly in a reactor with an automatic stirring and cleaning device according to the present invention.
[0020] Figure 3 This is a schematic diagram of a cleaning component in a reactor with an automatic stirring and cleaning device proposed in this utility model.
[0021] Legend:
[0022] 1. Support frame; 2. Reactor body; 3. Stirring assembly; 301. Motor; 302. Reducer; 303. Rotary joint; 304. Rotating shaft; 305. Telescopic rod; 306. Paddle; 307. Spring; 4. Cleaning assembly; 401. Infusion tank; 402. Nozzle; 403. Infusion pipe; 5. Flexible sleeve; 6. Cutting line; 7. Cutting block; 8. Inspection port. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] Reference Figures 1-3 An embodiment of this utility model is provided: a reaction vessel with an automatic stirring and cleaning device, including a support frame 1, a reaction vessel body 2 fixedly connected inside the support frame 1, a stirring component 3 provided on the top of the reaction vessel body 2, and a cleaning component 4 provided inside the stirring component 3;
[0025] The stirring assembly 3 includes a motor 301 and a reducer 302. The motor 301 and the reducer 302 are located directly above the reactor body 2. The output end of the motor 301 is fixedly connected to the input end of the reducer 302. The output end of the reducer 302 is fixedly connected to a rotary joint 303. The reducer 302 is fixedly connected to the top of the reactor body 2. The reducer 302 is rotatably connected to a rotating shaft 304 through the rotary joint 303. The rotating shaft 304 is rotatably connected inside the reactor body 2. Multiple telescopic rods 305 are fixedly connected to the outer surface of the rotating shaft 304. A paddle 306 is fixedly connected to the rotating shaft 304 through the telescopic rods 305. A spring 307 is fixedly connected between the paddle 306 and the rotating shaft 304.
[0026] A flexible sleeve 5 is fixedly connected between the blade 306 and the rotating shaft 304, and the flexible sleeve 5 is sleeved on the outside of the spring 307.
[0027] A cutting line 6 is fixedly connected between the blade 306 and the outer surface of the rotating shaft 304.
[0028] Cutting blocks 7 are fixedly connected to both sides of the outer surface of the blade 306.
[0029] Specifically, the support frame 1 provides a stable support foundation for the entire device, the reactor body 2 serves as the core container for material reaction and mixing, the motor 301 achieves power output and speed regulation through the reducer 302, the rotary joint 303 establishes a cleaning fluid delivery channel while ensuring the rotational freedom of the rotating shaft 304, the rotating shaft 304 serves as the power transmission hub to drive the stirring mechanism to operate synchronously, the telescopic rod 305, together with the spring 307, constitutes a dynamic adjustment mechanism, which automatically adjusts the extension amplitude of the paddle 306 according to the centrifugal force generated by the speed change, the flexible sleeve 5 wraps the spring 307 to form an anti-corrosion sealing layer to prevent material from seeping in and affecting the mechanical movement, the cutting line 6 forms a high-strength shearing mesh between the paddle 306 and the rotating shaft 304, and the cutting block 7 forms a local crushing unit at the edge of the paddle 306. The two work together to improve the dispersion efficiency of high-viscosity materials, and the cleaning component 4 delivers the cleaning medium to the spray terminal on the surface of the paddle 306 through the built-in flow channel, realizing the dual functions of self-cleaning of the stirring blades and rinsing of the inner wall of the reactor.
[0030] The cleaning component 4 includes multiple infusion tanks 401, which are located inside the rotating shaft 304. The input end of the infusion tank 401 is connected to the output end of the rotary joint 303. The cleaning component 4 also includes a nozzle 402, which is fixedly connected to the outer surface of the paddle 306. An infusion tube 403 is connected between the output end of the infusion tank 401 and the input end of the nozzle 402.
[0031] The infusion tube 403 is installed in the gap between the spring 307 and the telescopic rod 305.
[0032] The nozzle 402 is curved and the spray direction is the same as the rotation direction of the rotating shaft 304.
[0033] An inspection port 8 is provided on the outer surface of the reactor body 2.
[0034] Specifically, the infusion tank 401 is axially distributed along the rotation axis 304 to form the main channel for conveying the cleaning medium. The nozzle 402 optimizes the fluid jet trajectory through its curved surface design, and its directional jet pattern forms a velocity vector superposition with the rotation direction of the equipment. The infusion pipe 403 utilizes the annular space between the spring 307 and the telescopic rod 305 to achieve a concealed pipeline layout. The inspection port 8 is equipped with a transparent observation window to establish a visual monitoring node. The connection design between the infusion tank 401 and the rotary joint 303 enables continuous liquid supply under dynamic rotation. The curved flow guiding structure of the nozzle 402 generates tangential scouring force for the cleaning fluid. The gap arrangement of the infusion pipe 403 maintains the freedom of movement of the telescopic mechanism. The observation plane of the inspection port 8 and the spray coverage area of the nozzle 402 form a visual monitoring correspondence. The directional jet of the nozzle 402, combined with the rotation of the equipment, generates a spiral cleaning flow field. The flexible characteristics of the infusion pipe 403 adapt to the radial displacement changes of the telescopic rod 305. The observation window of the inspection port 8 enables visual quality verification of the cleaning process.
[0035] Working principle: During use, the motor 301 starts and drives the reducer 302 through the output end. The reducer 302 transmits power to the rotating shaft 304 through the rotary joint 303, causing the rotating shaft 304 to rotate inside the reactor body 2. The telescopic rod 305 and the paddle 306 on the outer surface of the rotating shaft 304 rotate together with the rotating shaft 304. The telescopic rod 305 can adjust the position of the paddle 306 according to the rotation speed of the rotating shaft 304 and the centrifugal force generated by it, overcoming the elasticity of the spring 307. In addition, the flexible sleeve 5 is fitted over the spring 307 to protect it and prevent the liquid from affecting the normal extension and retraction of the telescopic rod 305 and the spring 307. When stirring viscous materials, the cutting block 7 on the outer surface of the paddle 306 and the cutting line 6 between it and the rotating shaft 304 can cut and stir the materials.
[0036] After stirring, the reactor needs to be cleaned. At this time, the cleaning solution enters the infusion tank 401 inside the rotating shaft 304 through the rotary joint 303, and then is sprayed out from the nozzle 402 on the outer surface of the paddle 306 through the infusion pipe 403. Since the nozzle 402 is curved and the spray direction is the same as the rotation direction of the rotating shaft 304, efficient reverse cleaning of the inner wall of the reactor body 2 can be achieved during the rotation. After cleaning, the internal cleaning condition can be observed through the inspection port 8.
[0037] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A reaction vessel with an automatic stirring and cleaning device, comprising a support frame (1), characterized in that: The support frame (1) is fixedly connected to the reactor body (2), and the top of the reactor body (2) is provided with a stirring assembly (3), and the inside of the stirring assembly (3) is provided with a cleaning assembly (4). The stirring assembly (3) includes a motor (301) and a reducer (302). The motor (301) and the reducer (302) are located directly above the reactor body (2). The output end of the motor (301) is fixedly connected to the input end of the reducer (302). The output end of the reducer (302) is fixedly connected to a rotary joint (303). The reducer (302) is fixedly connected to the top of the reactor body (2). The reducer (302) is rotatably connected to a rotating shaft (304) through the rotary joint (303). The rotating shaft (304) is rotatably connected inside the reactor body (2). Multiple telescopic rods (305) are fixedly connected to the outer surface of the rotating shaft (304). A blade (306) is fixedly connected to the rotating shaft (304) through the telescopic rods (305). A spring (307) is fixedly connected between the blade (306) and the rotating shaft (304).
2. The reaction vessel with an automatic stirring and cleaning device according to claim 1, characterized in that: The cleaning component (4) includes multiple infusion tanks (401), which are located inside the rotating shaft (304). The input end of the infusion tank (401) is connected to the output end of the rotary joint (303). The cleaning component (4) also includes a nozzle (402), which is fixedly connected to the outer surface of the paddle (306). An infusion tube (403) is connected between the output end of the infusion tank (401) and the input end of the nozzle (402).
3. A reaction vessel with an automatic stirring and cleaning device according to claim 1, characterized in that: A flexible sleeve (5) is fixedly connected between the blade (306) and the rotating shaft (304), and the flexible sleeve (5) is sleeved on the outside of the spring (307).
4. A reaction vessel with an automatic stirring and cleaning device according to claim 2, characterized in that: The infusion tube (403) is installed in the gap between the spring (307) and the telescopic rod (305).
5. A reaction vessel with an automatic stirring and cleaning device according to claim 1, characterized in that: A cutting line (6) is fixedly connected between the blade (306) and the outer surface of the rotating shaft (304).
6. A reaction vessel with an automatic stirring and cleaning device according to claim 2, characterized in that: The nozzle (402) is curved and the spray direction is the same as the rotation direction of the rotating shaft (304).
7. A reaction vessel with an automatic stirring and cleaning device according to claim 1, characterized in that: Cutting blocks (7) are fixedly connected to both sides of the outer surface of the blade (306).
8. A reaction vessel with an automatic stirring and cleaning device according to claim 1, characterized in that: The outer surface of the reactor body (2) is provided with an inspection port (8).