Superfine powder mixing device with cooling function
By setting up a convex plate and a cooling chamber in the ultrafine powder mixing device, and using ethylene glycol coolant, the problems of easy agglomeration and overheating of ultrafine powders during the mixing process are solved, achieving efficient dispersion and temperature control, and improving mixing efficiency and material stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2026-03-10
AI Technical Summary
Ultrafine powders are prone to agglomeration during the mixing process, resulting in poor flowability and changes in particle physical properties due to prolonged mixing. Traditional mixers are inefficient and prone to overheating.
Design an ultrafine powder mixing device with cooling function, comprising a first tank, a second tank, a convex plate and a drive motor. The convex plate disperses the powder and a cooling chamber is set between the tanks to prevent agglomeration and overheating. Ethylene glycol coolant is used for cooling.
It effectively prevents ultrafine powder from clumping, maintains particle dispersion, and prevents temperature rise through cooling, thereby improving mixing efficiency and material stability.
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Figure CN223980410U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the mixing device technical field, concretely relates to a superfine powder mixing device with cooling function. BACKGROUND
[0002] Superfine powder is applied to each field of production and life. Superfine powder generally refers to powder particles with particle size less than 10 mu m, and these powder particles have higher surface energy, and are extremely easy to agglomerate in the treatment processes such as synthesis, washing, drying, crushing and mixing, so that the particle properties change. Because the superfine powder has higher surface energy and larger interparticle force, the general fluidity is poor, and it needs a long time to mix uniformly by using the traditional mixer, and long-time mixing can cause material temperature to rise, thereby causing particle agglomeration and particle physical property change. CONTENT OF THE UTILITY MODEL
[0003] In view of the problems existing in the prior art, the utility model provides a superfine powder mixing device with cooling function, and the utility model concretely includes the following contents:
[0004] A superfine powder mixing device with cooling function, comprising a first tank body, a second tank body, at least one convex plate and a driving motor,
[0005] The first tank body is arranged in the second tank body and is fixedly connected with the inner wall of the second tank body; at least one convex plate is arranged on the inner wall of the first tank body; a first mixed material outlet is arranged at the connection position of the first tank body and the second tank body; the device is arranged with the convex plate in the first tank body according to the characteristics of superfine powder agglomeration, and the superfine powder can be continuously dispersed during the mixing process, so that the caking can be effectively prevented.
[0006] The second tank body is arranged with a second mixed material outlet at the connection position of the first tank body and the second tank body, the first mixed material outlet and the second mixed material outlet are in communication with each other to form a mixed material outlet, and a detachable sealing cover is arranged at the mixed material outlet; the volume of the second tank body is greater than that of the first tank body, a cooling cavity is formed between the second tank body and the first tank body, a cooling liquid outlet is arranged on the wall of the second tank body outside the cooling cavity, and a detachable sealing cover is arranged at the cooling liquid outlet; cooling liquid is added into the cooling cavity before mixing, then the sealing cover of the cooling liquid outlet is covered, and then the mixing is started. The cooling liquid can cool the first tank body immersed therein during the mixing process, so that the superfine powder in the first tank body is prevented from overheating; the sealing cover can be connected with the corresponding outlet through threads, or can be connected through other modes, and a sealing device (such as a sealing ring, a sealing gasket, etc.) is arranged at the connection position, so that the material can not be leaked during the mixing process; the cooling liquid can be ethylene glycol cooling liquid with a temperature of-20 DEG C to 20 DEG C;
[0007] The output shaft of the driving motor is connected with the outer wall of the second tank body, and is used for providing rotating power for the first tank body and the second tank body.
[0008] Further, the convex plate comprises a first side, a second side and a third side, the first side is connected with the inner wall of the first tank body, the second side and the third side are both planes, and the included angle between the second side and the third side is 45-120 degrees. The convex plate can continuously disperse the superfine powder during the mixing process, and can effectively prevent caking. The convex plate is arranged in a shape similar to a triangular prism, the outer angle between the first side and the second side is arranged to face the inside of the first tank body, and the included angle between the first side and the second side is limited in a certain range, so that the best dispersion effect of the superfine powder can be ensured.
[0009] Further, the first tank body is a spherical or ellipsoidal tank body, and / or the number of the convex plates is not less than three, and the at least three convex plates are uniformly distributed along the circumference of the first tank body. The convex plates can be horizontally arranged in the first tank body, and are uniformly arranged in the circumferential direction of the center line in the horizontal direction of the first tank body; or the convex plates can be vertically arranged in the first tank body, and are uniformly arranged in the circumferential direction of the center line in the vertical direction of the first tank body; according to the need, the convex plates can also be arranged in other directions.
[0010] Further, the second tank body is a square or cuboid tank body, and the first tank body is an inscribed sphere or an inscribed ellipsoid of the second tank body.
[0011] Further, the parts where the first tank body and the second tank body are tangent are fixedly connected.
[0012] Further, the mixing material inlet and outlet is located on the front side, the rear side, the upper side or the lower side of the second tank body.
[0013] Further, the output shaft of the driving motor is connected with the left side or the right side of the second tank body.
[0014] Further, the utility model further comprises a rack, the rack comprises two opposite connecting positions, the driving motor is arranged on one connecting position, and the output shaft of the driving motor is arranged towards the other connecting position; the second tank body is arranged between the two connecting positions of the rack, one end of the second tank body is fixedly connected with the output shaft of the driving motor in the circumferential direction, and the other end is rotatably connected with the other connecting position of the rack.
[0015] The utility model has the advantages of the following:
[0016] (1) The ultrafine powder mixing device with cooling function disclosed in this utility model includes a first tank, a second tank, at least one convex plate, and a drive motor. This device addresses the tendency of ultrafine powder to agglomerate by providing a convex plate inside the first tank. During the mixing process, the convex plate continuously disperses the ultrafine powder, effectively preventing clumping. The convex plate is shaped like a triangular prism, with the outer angle between the first and second sides facing the inside of the first tank, and the included angle between the first and second sides is limited to a certain range, ensuring optimal dispersion of the ultrafine powder.
[0017] (2) The volume of the second tank in this device is larger than that of the first tank. A cooling chamber is formed between the second tank and the first tank. A coolant inlet and outlet are provided on the outer wall of the second tank of the cooling chamber, and the coolant inlet and outlet are provided with removable sealing caps. Before mixing, coolant is added to the cooling chamber, and then the sealing caps of the coolant inlet and outlet are closed before mixing begins. During the mixing process, the coolant can cool the first tank immersed in it, preventing the ultrafine powder inside from overheating. The sealing cap of this invention can be connected to the corresponding inlet and outlet by thread or by other means. The connection is provided with a sealing device (such as a sealing ring, sealing gasket, etc.) to ensure that the material does not leak during the mixing process. Attached Figure Description
[0018] Fig. 1 This is a schematic diagram of the structure of the device disclosed in this utility model;
[0019] Fig. 2 This is a top view of the device disclosed in this utility model. Detailed Implementation
[0020] The following is in conjunction with the appendix Figs. 1-2 The present invention will be described in detail below with specific embodiments. The embodiments shown below do not limit the scope of the invention as described in the claims. Furthermore, the complete contents of the configurations shown in the embodiments below are not limited to those necessary for the solution of the invention as described in the claims.
[0021] Reference Appendix Figs. 1-2A cooling-featured ultrafine powder mixing device includes a first tank 4, a second tank 8, at least one protruding plate 7, and a drive motor 2. The first tank 4 is disposed inside the second tank 8 and is fixedly connected to the inner wall of the second tank 8. At least one protruding plate 7 is disposed on the inner wall of the first tank 4. A first mixing inlet / outlet is disposed at the connection between the first tank 4 and the second tank 8. This device addresses the tendency of ultrafine powder to agglomerate by providing the protruding plate 7 inside the first tank 4, which continuously disperses the ultrafine powder during the mixing process, effectively preventing clumping. A cooling-featured ... There is a second mixing inlet / outlet, and the first mixing inlet / outlet and the second mixing inlet / outlet are interconnected to form a mixing inlet / outlet 6. A removable sealing cap is provided at the mixing inlet / outlet 6. The volume of the second tank 8 is larger than the volume of the first tank 4. A cooling chamber 3 is formed between the second tank 8 and the first tank 4. At least one coolant inlet / outlet 5 is provided on the wall of the second tank 8 outside the cooling chamber 3. The at least one coolant inlet / outlet 5 is provided with a removable sealing cap. Before mixing, coolant is added to the cooling chamber 3, and then the sealing cap of the coolant inlet / outlet 5 is closed before mixing begins. The coolant cools the first tank 4 immersed in it during the mixing process, preventing the ultrafine powder from overheating. The sealing cap of this invention can be connected to the corresponding inlet / outlet via threads or other means. A sealing device (such as a sealing ring or gasket) is provided at the connection point to ensure that the material does not leak during mixing. The coolant can be ethylene glycol coolant with a temperature range of -20℃ to 20℃. The output shaft of the drive motor 2 is connected to the outer wall of the second tank 8, providing rotational power to both the first tank 4 and the second tank 8. The drive motor 2 is preferably a three-phase motor.
[0022] In one embodiment of this utility model, the convex plate 7 includes a first side, a second side, and a third side. The first side is fitted and connected to the inner wall of the first tank 4. The second and third sides are both planes, and the included angle between the second and third sides is 45°-120°. The function of the convex plate 7 is to continuously disperse the ultrafine powder during the mixing process, effectively preventing agglomeration. By setting the convex plate 7 into a shape similar to a triangular prism, with the outer angle between the first and second sides facing the inside of the first tank 4 and limiting the included angle between the first and second sides within a certain range, the optimal dispersion effect of the ultrafine powder can be guaranteed.
[0023] In one embodiment of this utility model, the first tank 4 is a spherical or ellipsoidal tank; and / or, the number of protruding plates 7 is not less than three, and the at least three protruding plates 7 are evenly distributed along the circumference of the first tank 4. The protruding plates 7 can be horizontally distributed inside the first tank 4 and evenly distributed around the horizontal centerline of the first tank 4 in their circumferential direction; they can also be longitudinally distributed inside the first tank 4 and evenly distributed around the vertical centerline of the first tank 4 in their circumferential direction; as needed, the protruding plates 7 can also be distributed in other directions.
[0024] In one embodiment of this utility model, the second tank 8 is a cube or cuboid tank, and the first tank 4 is the inscribed sphere or inscribed ellipsoid of the second tank 8.
[0025] In one embodiment of this utility model, the tangent portions of the first tank 4 and the second tank 8 are fixedly connected.
[0026] In one embodiment of the present invention, the mixture inlet / outlet is located on the front side, rear side, upper side, or lower side of the second tank body 8.
[0027] In one embodiment of this utility model, the output shaft of the drive motor 2 is connected to the left or right side of the second tank body 8.
[0028] In one embodiment of this utility model, a frame 1 is further included. The frame 1 includes two opposing connection positions. The drive motor 2 is disposed on one of the connection positions, and the output shaft of the drive motor 2 faces the other connection position. The second tank 8 is mounted between the two connection positions of the frame 1. One end of the second tank 8 is circumferentially fixedly connected to the output shaft of the drive motor 2, and the other end is rotatably connected to the other connection position of the frame 1. The first tank 4, the second tank 8, and the frame 1 are preferably made of stainless steel.
[0029] This utility model discloses an ultrafine powder mixing device with a cooling function. A protruding plate 7 is installed inside the first tank 4. During the mixing process, it continuously disperses the ultrafine powder, effectively preventing agglomeration. The device further designs the protruding plate 7 into a triangular prism shape, with the outer angle between the first and second sides facing the interior of the first tank 4, and limiting the included angle between the first and second sides within a certain range. This ensures optimal dispersion of the ultrafine powder and solves the problem of easy agglomeration of ultrafine powder in existing technologies. In addition, this device forms a cooling chamber 3 between the second tank 8 and the first tank 4. At least one coolant inlet / outlet 5 is provided on the wall of the second tank 8 outside the cooling chamber 3, and a removable sealing cap is provided at the coolant inlet / outlet 5. Before mixing, coolant is added to the cooling chamber 3, and then the sealing cap of the coolant inlet / outlet 5 is closed before mixing begins. The preferred coolant is an ethylene glycol coolant with a temperature of -20 to 20°C. This coolant absorbs the heat generated by friction of the ultrafine powder material during the mixing process, preventing the ultrafine powder from overheating and solving the problem of overheating during long-term mixing of ultrafine powder in the prior art.
[0030] In the description of this application, it should be noted that the terms "inner" and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0031] Unless otherwise explicitly specified and limited, the terms "set up" and "connected" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0032] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. An ultrafine powder mixing device with cooling function, characterized in that, The first tank body, the second tank body, at least one tab, and a driving motor, The first tank body is arranged inside the second tank body and is fixedly connected with the inner wall of the second tank body; at least one tab is arranged on the inner wall of the first tank body; a first mixed material outlet is arranged at the connection between the first tank body and the second tank body; A second mixed material outlet is arranged at the connection between the second tank body and the first tank body, the first mixed material outlet and the second mixed material outlet are in communication with each other to form a mixed material outlet, and a detachable sealing cover is arranged at the mixed material outlet; the volume of the second tank body is greater than that of the first tank body, a cooling cavity is formed between the second tank body and the first tank body, a cooling liquid outlet is arranged on the wall of the second tank body outside the cooling cavity, and a detachable sealing cover is arranged at the cooling liquid outlet; The output shaft of the driving motor is connected with the outer wall of the second tank body.
2. The superfine powder mixing device with cooling function according to claim 1, characterized in that, The tab comprises a first side, a second side and a third side, the first side is connected with the inner wall of the first tank body in a fit manner; the second side and the third side are both planes, and the included angle between the second side and the third side is 45°-120°.
3. The superfine powder mixing device with cooling function according to claim 1, characterized in that, The first tank body is a spherical or ellipsoidal tank body; and / or the number of the tabs is not less than three, and the at least three tabs are uniformly distributed along the circumference of the first tank body.
4. The superfine powder mixing device with cooling function according to claim 3, characterized in that, The second tank body is a cube or a cuboid, and the first tank body is an inscribed sphere or an inscribed ellipsoid of the second tank body.
5. The superfine powder mixing device with cooling function according to claim 4, characterized in that, The tangent parts of the first tank body and the second tank body are fixedly connected.
6. The superfine powder mixing device with cooling function according to claim 5, characterized in that, The output shaft of the driving motor is connected with the left side or the right side of the second tank body.
7. The ultrafine powder mixing device with cooling function according to any one of claims 1-6, characterized in that, Further comprising a rack, the rack comprises two opposite connection sites, the driving motor is arranged on one of the connection sites, and the output shaft of the driving motor is arranged towards the other connection site; the second tank body is arranged between the two connection sites of the rack, one end of the second tank body is fixedly connected with the output shaft of the driving motor in a circumferential direction, and the other end is rotatably connected with the other connection site of the rack.