A reaction kettle for producing water-based nano-coating material

Abstract

The utility model discloses a water based nanometer coating material production is with reation kettle, including kettle body, the inlet of kettle body upper end is equipped with material pipe, and the discharge pipe is equipped with the discharge port of kettle body lower side wall opening, and the upper side wall of kettle body is equipped with the temperature table, and the probe of temperature table penetrates the upper side wall of kettle body and stretches into the inside of kettle body, still including temperature control subassembly and stirring subassembly, temperature control subassembly: it includes medium pipe and connecting pipe, medium pipe is evenly set up in the inner wall of kettle body, and the medium pipe of two upper and lower adjacent is all through connecting pipe intercommunication, stirring subassembly: it includes main shaft, stirring shaft, stirring vane and pair of collision board, main shaft rotatory connection is in the top wall of kettle body, and this water based nanometer coating material production is with reation kettle, and the synergic cooperation between temperature control subassembly and stirring subassembly has realized material temperature accurate control, avoided partial overheating or supercooling, and the production efficiency promotion of nanometer particle high -efficient dispersion.

Description

Technical Field

[0001] This utility model relates to the field of water-based nano-coating material production technology, specifically a reaction vessel for producing water-based nano-coating materials. Background Technology

[0002] In the field of coating production, water-based nano-coating materials have gradually become an important direction for industry development due to their environmental protection, strong adhesion, and excellent weather resistance. In the production process, the reactor, as the core equipment, undertakes key process links such as material mixing, temperature control, and chemical reaction, which directly affects the quality of products and production efficiency. With the expansion of the application scenarios of nanomaterials, the market has put forward higher requirements for the uniformity, stability, and production efficiency of coating materials. The structural design and performance of traditional reactors need to be optimized.

[0003] Currently, conventional reactors for water-based nano-coating materials mainly employ a jacketed temperature control structure. Temperature regulation of the materials inside the reactor is achieved through externally circulating cold / hot fluids. This single temperature control path and limited heat exchange area result in slow heating or cooling rates, making it difficult to meet the reaction requirements of temperature-sensitive nanomaterials. The stirring systems are mostly single-rotation paddle structures driven by a motor. Due to low heat transfer efficiency, the temperature control structure of the reactor exhibits lag in temperature control, hindering rapid heating, cooling, and precise temperature control. This makes precise temperature regulation during dynamic mixing impossible, easily leading to localized overheating or overheating. The cold phenomenon affects the consistency of chemical reactions and may cause side reactions of nanomaterials in non-ideal temperature ranges, affecting product performance. A single stirring mode cannot generate a complex flow field, and the material shear force and turbulence are insufficient, making it difficult to effectively break up nanoparticle agglomerates. This leads to uneven particle size distribution of coating materials, affecting film quality. The separation of temperature control and stirring functions prevents materials from undergoing efficient heat exchange simultaneously during mixing, which can easily cause component stratification or incomplete reaction due to local temperature deviations, restricting the stability and efficiency of the production process. To address this, we propose a reaction vessel for the production of water-based nano-coating materials. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the existing defects and provide a reaction vessel for the production of water-based nano-coating materials, which can accurately control the material temperature and efficiently disperse nanoparticles, and can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a reaction vessel for the production of water-based nano-coating materials, comprising a vessel body, a material pipe provided at the inlet at the upper end of the vessel body, a discharge pipe provided at the outlet at the lower side wall of the vessel body, a thermometer provided on the upper side wall of the vessel body, the probe of the thermometer penetrating through the upper side wall of the vessel body and extending into the interior of the vessel body, and also including a temperature control component and a stirring component;

[0006] Temperature control component: It includes a medium tube and a connecting tube. The medium tubes are evenly arranged on the inner wall of the vessel body, and two adjacent medium tubes are connected by a connecting tube.

[0007] The stirring assembly includes a main shaft, stirring shafts, stirring blades, and collision plates. The main shaft is rotatably connected to the top wall of the vessel. The lower end of the main shaft is rotatably connected to symmetrically distributed stirring shafts. Stirring blades are provided at both ends of the stirring shafts. Collision plates are provided on the upper side of the stirring blades. Collision columns are provided on the upper side of the outer arc surface of the connecting pipe. The collision plates are respectively matched with collision columns at the same horizontal height. Through the synergistic cooperation between the temperature control assembly and the stirring assembly, precise control of material temperature is achieved, local overheating or overcooling is avoided, nanoparticles are efficiently dispersed, and production efficiency is improved.

[0008] Furthermore, a controller is provided on the left side of the vessel body, and the input terminal of the controller is electrically connected to an external power source for stable control.

[0009] Furthermore, the temperature control component also includes a hollow medium ring and connecting pipes. The hollow medium rings are respectively disposed at the upper and lower ends of the outer arc surface of the vessel body. The uppermost medium pipe is connected to the upper hollow medium ring, and the lowermost medium pipe is connected to the lower hollow medium ring. Connecting pipes are provided at the connection ports on the outer arc surface of the hollow medium ring to facilitate the entry of external cold or hot liquids.

[0010] Furthermore, the temperature control component also includes a jacket and an electric heating wire. The jacket is located in the middle of the outer arc surface of the vessel body, and the electric heating wire is installed inside the jacket. The input end of the electric heating wire is electrically connected to the output end of the controller for easy heating.

[0011] Furthermore, the stirring assembly also includes a mounting cavity, a rotating hole, a sealed bearing, a mounting plate, and a torsion spring. The mounting cavities are respectively opened at the lower end of the main shaft. Rotating holes are opened on the left and right side walls of the mounting cavities. The stirring shafts are rotatably connected between two laterally adjacent rotating holes through the sealed bearings. Mounting plates are provided in the middle of the outer arc surface of the stirring shaft. Torsion springs are provided between the left and right sides of the mounting plates and the inner arc surface of the mounting cavity. The torsion springs are all sleeved on the outer arc surface of the stirring shaft located inside the same mounting cavity and return to their original position after rotation.

[0012] Furthermore, a motor is provided at the upper end of the vessel body, and the output shaft of the motor is fixedly connected to the center of the upper end face of the main shaft. The input end of the motor is electrically connected to the output end of the controller for stable driving.

[0013] Furthermore, an electric valve is connected in series in the middle of the discharge pipe, and the input end of the electric valve is electrically connected to the output end of the controller to facilitate discharge.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: This reaction vessel for producing water-based nano-coating materials has the following advantages:

[0015] 1. The medium pipes are evenly distributed on the inner wall of the reactor, forming a three-dimensional circulation loop with the hollow medium rings at the upper and lower ends and the connecting pipes. Cold / hot fluids can quickly flow through the entire area of ​​the reactor. Compared with traditional jacket temperature control, the heat conduction area is increased, the material heating / cooling rate is improved, and the temperature control component achieves efficient heat exchange, high temperature control accuracy to avoid local overheating or overcooling, and high efficiency and unity with the production rhythm through structural optimization. This provides a key guarantee for the high-quality production of water-based nano-coating materials.

[0016] 2. When the main shaft drives the stirring blades to revolve in the stirring assembly, the collision plate and collision column work together to make the stirring blades rotate periodically, forming a composite stirring effect that combines revolution and rotation. The rotation instantly changes the direction of the fluid, generating eddies and enhancing the shear force of the material. The medium pipe, as a static obstacle, forces the material to flow around it, increasing the turbulence. Combined with the high shear force generated by the gap between the stirring blades and the medium pipe, it effectively breaks up the agglomerates of nanoparticles. This composite shear flow field generated by periodic impact can significantly improve the dispersion effect of nanoparticles and ensure the uniformity and stability of the production of water-based nano-coating materials. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a cross-sectional view of the structure of this utility model from the right side;

[0019] Figure 3 This is a partial structural schematic diagram of the stirring assembly of this utility model;

[0020] Figure 4 This is an enlarged structural schematic diagram of point A of this utility model;

[0021] Figure 5 This is a partial cross-sectional structural schematic diagram of the hollow dielectric ring of this utility model;

[0022] Figure 6 This is a schematic diagram of the front side of the vessel body of this utility model;

[0023] Figure 7 This is a partial structural schematic diagram of the material tube of this utility model.

[0024] In the diagram: 1. Reactor body; 2. Temperature control component; 21. Hollow medium ring; 22. Medium pipe; 23. Connecting pipe; 24. Connecting pipeline; 25. Jacket; 26. Electric heating wire; 3. Stirring component; 31. Main shaft; 32. Stirring shaft; 33. Stirring blades; 34. Collision plate; 35. Mounting cavity; 36. Rotary hole; 37. Sealed bearing; 38. Mounting plate; 39. Torsion spring; 4. Material pipe; 5. Thermometer; 6. Discharge pipe; 7. Electric valve; 8. Motor; 9. Controller; 10. Collision column. Detailed Implementation

[0025] 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.

[0026] Please see Figure 1-7 This embodiment provides a technical solution: a reaction vessel for producing water-based nano-coating materials, including a vessel body 1. A controller 9 is provided on the left side of the vessel body 1. The input terminal of the controller 9 is electrically connected to an external power source. A material pipe 4 is provided at the inlet at the upper end of the vessel body 1. A material door is provided at the upper end of the material pipe 4. A door bolt is provided between the material door and the material pipe 4. The door bolt consists of a mounting base on the outer arc surface of the material pipe 4, a rotating pin inside the mounting base, a knob fixedly connected to the upper end of the pin, and a limiting plate provided on the knob. When locking the material door, the material door is first placed on the... The upper end of the material pipe 4, then rotate the knob to make the limit plate rotate and lock in the upper end of the material door) The discharge port opened on the lower side wall of the vessel body 1 is provided with a discharge pipe 6. The middle of the discharge pipe 6 is connected in series with an electric valve 7. After the water-based nano-coating material reaction is completed, the controller 9 opens the electric valve 7 in the middle of the discharge pipe 6 to discharge the material, which facilitates the discharge. The input end of the electric valve 7 is electrically connected to the output end of the controller 9. The upper side wall of the vessel body 1 is provided with a thermometer 5. The probe of the thermometer 5 penetrates the upper side wall of the vessel body 1 and extends into the interior of the vessel body 1. It also includes a temperature control component 2 and a stirring component 3.

[0027] Temperature control component 2 includes a medium pipe 22 and a connecting pipe 23. The medium pipes 22 are evenly arranged on the inner wall of the vessel body 1. Two adjacent medium pipes 22 are connected by a connecting pipe 23. Temperature control component 2 also includes a hollow medium ring 21 and a connecting pipe 24. The hollow medium ring 21 is respectively arranged at the upper and lower ends of the outer arc surface of the vessel body 1. The uppermost medium pipe 22 is connected to the upper hollow medium ring 21, and the lowermost medium pipe 22 is connected to the lower hollow medium ring 21. The connecting ports on the outer arc surface of the hollow medium ring 21 are provided with connecting pipes 24. Temperature control component 2 also includes a jacket 25 and an electric heating wire 26. The jacket 25 is arranged in the middle of the outer arc surface of the vessel body 1. The electric heating wire 26 is arranged inside the jacket 25. The input end of the electric heating wire 26 is electrically connected to the output end of the controller 9. Material flows through... Material is fed into the interior of the vessel 1 through material pipe 4, and then the material door is locked by a bolt. External cold or hot liquid (such as cooling water or heat transfer oil) enters the hollow medium ring 21 (one at each end) through connecting pipe 24, and then forms a uniformly distributed heat exchange channel on the inner wall of the vessel through medium pipe 22. Adjacent medium pipes are connected through connecting pipe 23 to form a circulation loop, realizing constant temperature heating or cooling of the material inside the vessel. When the reaction requires heating, hot liquid is introduced; when cooling is required, cold liquid is introduced. The temperature is monitored in real time by thermometer 5. When rapid heating or maintenance of high temperature is required, controller 9 energizes the electric heating wire 26 in jacket 25 to heat the vessel directly through heat conduction, supplementing the heat exchange efficiency of medium pipe 22, ensuring the flexibility and accuracy of temperature control, and efficiently controlling the temperature inside the vessel 1.

[0028] The stirring assembly 3 includes a main shaft 31, a stirring shaft 32, stirring blades 33, and impact plates 34. The main shaft 31 is rotatably connected to the top wall of the vessel body 1. A motor 8 is provided at the upper end of the vessel body 1. The output shaft of the motor 8 is fixedly connected to the center of the upper end face of the main shaft 31. The input end of the motor 8 is electrically connected to the output end of the controller 9. The lower end of the main shaft 31 is rotatably connected to symmetrically distributed stirring shafts 32. Stirring blades 33 are provided at both the left and right ends of the stirring shafts 32. Impact plates 34 are provided on the upper side of the stirring blades 33. Collision columns 10 are provided on the upper side of the outer arc surface of the connecting pipe 23. The impact plates 34 are respectively matched with the collision columns 10 at the same horizontal height. The stirring assembly 3 also includes a mounting cavity 35, a rotating hole 36, a sealed bearing 37, a mounting plate 38, and a torsion spring 39. The mounting cavities 35 are respectively opened at the lower end of the main shaft 31. Rotating holes 36 are opened on the left and right side walls of each mounting cavity 35. The stirring shafts 32 are rotatably connected between two laterally adjacent rotating holes 36 via sealed bearings 37. Mounting plates 38 are provided in the middle of the outer arc surface of each stirring shaft 32. Torsion springs 39 are provided between the left and right sides of the mounting plates 38 and the inner arc surface of the mounting cavity 35. The torsion springs 39 are all sleeved on the outer arc surface of the stirring shaft 32 located inside the same mounting cavity 35. The control controller 9 causes the motor 8 to operate, and the output shaft of the motor 8 drives... The rotating main shaft 31 drives the stirring blades 33 to revolve around the main shaft. At this time, the collision plates 34 on the stirring blades 33 periodically impact the collision pillars 10 on the connecting pipe 23 along the swing path. The collision plates 34 are subjected to the collision force, causing the stirring blades 33 to rotate around their own axis (at the connection with the stirring shaft 32). The rotation of the stirring blades 33 instantly changes the local fluid direction, forming a vortex perpendicular to the direction of revolution, enhancing the material shearing effect. When the stirring shaft 32 moves away from the collision pillars 10, the preload of the torsion spring 39 causes the stirring blades 33 to rotate in the opposite direction and return to the initial angle. This reciprocating rotation and revolution combined form a compound stirring effect, effectively breaking down nanoparticles. The agglomerates are formed by uniformly distributing the medium tube 22 along the circumferential direction of the inner wall of the vessel. When the stirring blade 33 revolves with the stirring shaft 32, the medium tube 22 acts as a static obstacle, forcing the material to form a flow around it during the flow process, increasing the fluid turbulence. The stirring blade 33 and the surface of the medium tube 22 maintain a safe gap. When the material passes through this gap, a high shear force is generated due to the velocity difference, which promotes particle dispersion. The heat exchange medium (cold / hot fluid) flowing inside the medium tube 22 also acts as a heat conduction interface, which adjusts the material temperature in real time during the stirring process to avoid local overheating or overcooling. A composite shear flow field is generated through periodic impact, which improves the breakage rate of the nanoparticle agglomerates.

[0029] The working principle of the reactor for producing water-based nano-coating materials provided by this utility model is as follows: Materials are fed into the reactor body 1 through material pipe 4, and then the material door is locked by a bolt. External cold or hot liquids (such as cooling water or heat transfer oil) enter the hollow medium ring 21 (one at each end) through connecting pipe 24, and then form uniformly distributed heat exchange channels on the inner wall of the reactor body through medium pipe 22. Adjacent medium pipes are connected through connecting pipe 23 to form a circulation loop, achieving constant temperature heating or cooling of the materials inside the reactor. When the reaction requires heating, hot liquid is introduced. When cooling is required, cold liquid is introduced, and the temperature is monitored in real time by thermometer 5. When rapid heating or maintenance of high temperature is required, controller 9 energizes the electric heating wire 26 in jacket 25 to heat the vessel body directly through heat conduction, supplementing the heat exchange efficiency of medium pipe 22 and ensuring the flexibility and accuracy of temperature control. Subsequently, controller 9 operates motor 8, and the output shaft of motor 8 drives the main shaft 31 to rotate, causing the stirring blade 33 to revolve around the main shaft. At this time, the collision plate 34 on the stirring blade 33 periodically impacts the collision column on the connecting pipe 23 along the swing path. 10. The impact plate 34 is subjected to the impact force, causing the stirring blade 33 to rotate around its own axis (at the connection with the stirring shaft 32). The rotation of the stirring blade 33 instantly changes the local fluid direction, forming a vortex perpendicular to the revolution direction, enhancing the material shearing effect. When the stirring shaft 32 moves away from the impact column 10, the preload of the torsion spring 39 causes the stirring blade 33 to rotate in the opposite direction and return to its initial angle. This reciprocating rotation and revolution combined form a composite stirring effect, effectively breaking up nanoparticle agglomerates. The medium tube 22 is evenly distributed circumferentially along the inner wall of the vessel. When the stirring blade 33... As the stirring shaft 32 revolves, the medium pipe 22 acts as a static obstacle, forcing the material to form a flow around it during the flow process, increasing the fluid turbulence. The stirring blade 33 maintains a safe gap with the surface of the medium pipe 22. When the material passes through this gap, a high shear force is generated due to the velocity difference, which promotes particle dispersion. The heat exchange medium (cold / hot fluid) flowing inside the medium pipe 22 also acts as a heat conduction interface, adjusting the material temperature in real time during the stirring process to avoid local overheating or overcooling. After the water-based nano-coating material reaction is completed, the controller 9 opens the electric valve 7 in the middle of the discharge pipe 6 to discharge the material.

[0030] It is worth noting that the electric heating wire 26 disclosed in the above embodiments can be a Cr20Ni80 alloy electric heating wire, which has high resistivity, good oxidation resistance and high temperature resistance, and can meet the heating requirements of the reactor. The electric valve 7 can be a ZAZP series electric regulating valve, and the motor 8 can be a YE3 series three-phase asynchronous motor. The controller 9 is equipped with control buttons that correspond one-to-one with the electric heating wire 26, the electric valve 7 and the motor 8 and are used to control their switching.

[0031] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A reaction vessel for producing water-based nano-coating materials, comprising a vessel body (1), wherein a material pipe (4) is provided at the inlet at the upper end of the vessel body (1), a discharge pipe (6) is provided at the outlet at the lower side wall of the vessel body (1), and a thermometer (5) is provided on the upper side wall of the vessel body (1), wherein the probe of the thermometer (5) penetrates the upper side wall of the vessel body (1) and extends into the interior of the vessel body (1), characterized in that: It also includes a temperature control component (2) and a stirring component (3); Temperature control component (2): It includes a medium tube (22) and a connecting tube (23). The medium tube (22) is evenly arranged on the inner wall of the vessel body (1). Two adjacent medium tubes (22) are connected by a connecting tube (23). Stirring assembly (3): It includes a main shaft (31), a stirring shaft (32), stirring blades (33) and a collision plate (34). The main shaft (31) is rotatably connected to the top wall of the vessel body (1). The lower end of the main shaft (31) is rotatably connected to a symmetrically distributed stirring shaft (32). Stirring blades (33) are provided at both the left and right ends of the stirring shaft (32). A collision plate (34) is provided on the upper side of the stirring blades (33). A collision column (10) is provided on the upper side of the outer arc surface of the connecting pipe (23). The collision plate (34) is respectively matched with the collision column (10) at the same horizontal height.

2. The reaction vessel for producing water-based nano-coating materials according to claim 1, characterized in that: A controller (9) is provided on the left side of the vessel body (1), and the input terminal of the controller (9) is electrically connected to an external power source.

3. The reaction vessel for producing water-based nano-coating materials according to claim 1, characterized in that: The temperature control component (2) also includes a hollow medium ring (21) and a connecting pipe (24). The hollow medium ring (21) is respectively set at the upper and lower ends of the outer arc surface of the vessel body (1). The uppermost medium pipe (22) is connected to the upper hollow medium ring (21), and the lowermost medium pipe (22) is connected to the lower hollow medium ring (21). The connecting port on the outer arc surface of the hollow medium ring (21) is provided with a connecting pipe (24).

4. The reaction vessel for producing water-based nano-coating materials according to claim 2, characterized in that: The temperature control component (2) also includes a jacket (25) and an electric heating wire (26). The jacket (25) is located in the middle of the outer arc surface of the vessel body (1). The electric heating wire (26) is provided inside the jacket (25). The input end of the electric heating wire (26) is electrically connected to the output end of the controller (9).

5. The reaction vessel for producing water-based nano-coating materials according to claim 1, characterized in that: The stirring assembly (3) further includes a mounting cavity (35), a rotating hole (36), a sealed bearing (37), a mounting plate (38), and a torsion spring (39). The mounting cavities (35) are respectively opened at the lower end of the main shaft (31). The left and right side walls of the mounting cavities (35) are provided with rotating holes (36). The stirring shafts (32) are rotatably connected between two horizontally adjacent rotating holes (36) through the sealed bearings (37). The middle part of the outer arc surface of the stirring shafts (32) is provided with mounting plates (38). The left and right sides of the mounting plates (38) are provided with torsion springs (39) between the inner arc surface of the mounting cavities (35). The torsion springs (39) are all sleeved on the outer arc surface of the stirring shafts (32) located inside the same mounting cavity (35).

6. The reaction vessel for producing water-based nano-coating materials according to claim 2, characterized in that: The upper end of the vessel body (1) is provided with a motor (8), the output shaft of the motor (8) is fixedly connected to the center of the upper end face of the main shaft (31), and the input end of the motor (8) is electrically connected to the output end of the controller (9).

7. The reaction vessel for producing water-based nano-coating materials according to claim 1, characterized in that: An electric valve (7) is connected in series in the middle of the discharge pipe (6), and the input end of the electric valve (7) is electrically connected to the output end of the controller (9).

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