Stirring kettle for coating production
By combining the premixing box with the stirring mechanism and utilizing the design of stirring blades and scrapers, the problems of uneven mixing and high energy consumption in paint production are solved, efficient and uniform mixing effects are achieved, and the quality of paint products is ensured.
Patent Information
- Application Number
- CN202422125768.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-09-30
- Estimated Expiration
- 2034-08-30
AI Technical Summary
Traditional paint production equipment has problems such as uneven mixing, low production efficiency and high energy consumption.
The design combines a premixing box with a stirring mechanism. The first and second stirring blades on the stirring shaft face in opposite directions to form shear force and turbulence effects. The scraper and spoiler holes are combined to improve mixing uniformity and reduce energy consumption.
It achieves uniform mixing of raw materials, improves mixing efficiency, ensures product quality, and reduces overall energy consumption.
Smart Images

Figure CN223393336U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of coating production equipment, in particular to a coating production stirring kettle. Background Art
[0002] At present, the production of coatings usually involves the precise proportioning and efficient mixing of multiple raw materials. In order to ensure the quality and performance of the coatings, special equipment is needed to achieve uniform mixing of the raw materials. However, traditional coating production equipment often has problems such as uneven mixing, low production efficiency, and high energy consumption. Utility Model Content
[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a coating production stirring kettle that can mix evenly, is highly efficient, and saves energy.
[0004] According to the first aspect of the present invention, the paint production stirring kettle includes a reactor, a feed hopper, a premixing box and a stirring mechanism, the feed hopper is fixedly connected to the top of the reactor; the premixing box is arranged in the reactor, the upper end of the premixing box is provided with a feed pipe connected to the feed hopper, and the lower end of the premixing box is provided with a discharge pipe; the stirring mechanism includes a motor, a stirring shaft, a stirring blade and a stirring arm, the motor is installed at the top of the reactor, the stirring shaft is arranged in the reactor, the top end of the stirring shaft passes through the premixing box and is connected to the motor, the bottom end of the stirring shaft is rotatably connected to the bottom of the reactor, the stirring blade is connected to the stirring shaft and is located in the premixing box, the middle part of the stirring arm is connected to the stirring shaft, and the stirring arm is provided with a plurality of first stirring plates and second stirring plates alternately spaced along the length direction, and the first stirring plates and the second stirring plates are in opposite directions.
[0005] The coating production stirring kettle according to the above embodiment of the present invention has at least the following beneficial effects:
[0006] The coating production stirring kettle provided by the present invention combines a premixing tank with a stirring mechanism to achieve initial mixing of the raw materials, followed by secondary mixing through the stirring mechanism, ensuring uniform mixing of the raw materials. The raw materials are fully premixed before entering the reactor, greatly improving mixing efficiency and reducing the workload of the stirring mechanism, thereby reducing overall energy consumption. The first and second stirring blades on the stirring arm face in opposite directions, creating effective shear force and turbulence during rotation, which helps disperse and evenly mix the raw materials, improves mixing efficiency, and ensures the quality of the final product.
[0007] According to some embodiments of the present invention, a scraper is provided at the end of the stirring arm, and the scraper contacts the inner wall of the reactor. Along the axial direction of the stirring shaft, two adjacent scrapers are connected or overlapped.
[0008] According to some embodiments of the present invention, the scraper is provided with a plurality of flow-turbulating holes, and the plurality of flow-turbulating holes are evenly spaced along the axial direction of the stirring shaft.
[0009] According to some embodiments of the present invention, the motor is installed in the middle of the top of the reactor, there are two feed hoppers, and the two feed hoppers are symmetrically arranged on both sides of the motor. The premixing box is provided with two feed pipes, and the feed pipes correspond to the feed hoppers one by one.
[0010] According to some embodiments of the present invention, the premixing box is provided with two discharge pipes, and the two discharge pipes are symmetrically arranged on both sides of the premixing box.
[0011] According to some embodiments of the present invention, there are three stirring arms, and the three stirring arms are evenly spaced apart along the axial direction of the stirring shaft.
[0012] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:
[0014] Figure 1 This is a schematic structural diagram of a coating production stirring kettle according to an embodiment of the present invention;
[0015] Figure 2 for Figure 1 Enlarged view of point A in the middle;
[0016] Figure 3 This is a partial structural diagram of a coating production stirring kettle according to an embodiment of the present invention;
[0017] Figure 4 for Figure 3 Enlarged view of point B in the middle.
[0018] Wherein, the reference numerals:
[0019] Reactor 100; Feed hopper 110;
[0020] Premixing box 200; feeding pipe 210; discharging pipe 220;
[0021] Motor 310 ; stirring shaft 320 ; stirring blade 330 ; stirring arm 340 ; first stirring blade 350 ; second stirring blade 360 ; scraper 370 ; spoiler hole 371 . DETAILED DESCRIPTION
[0022] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.
[0023] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.
[0024] In the description of this utility model, "several" means one or more, "many" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The use of "first" and "second" in the description is solely for the purpose of distinguishing technical features and is not to be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.
[0025] In the description of this utility model, unless otherwise expressly defined, terms such as "set," "install," and "connect" should be interpreted broadly. Those skilled in the art can reasonably determine the specific meanings of these terms in the present utility model based on the specific content of the technical solution. In the description of this utility model, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with such embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of these terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any appropriate manner in any one or more embodiments or examples. In the description of this specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with such embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of these terms does not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
[0026] Reference Figures 1 to 4 According to the first embodiment of the present invention, the coating production stirring kettle includes a reactor 100, a feed hopper 110, a premixing tank 200 and a stirring mechanism. The feed hopper 110 is fixed to the top of the reactor 100; the premixing tank 200 is arranged in the reactor 100, and the upper end of the premixing tank 200 is provided with a feed pipe 210 connected to the feed hopper 110, and the lower end of the premixing tank 200 is provided with a discharge pipe 220; the stirring mechanism includes a motor 310, a stirring shaft 320, a stirring blade 330 and a stirring arm 340, and the motor 310 is installed on the reactor At the top of the reactor 100, a stirring shaft 320 is arranged in the reactor 100, the top end of the stirring shaft 320 passes through the premixing tank 200 and is connected to the motor 310, the bottom end of the stirring shaft 320 is rotatably connected to the bottom of the reactor 100, the stirring blade 330 is connected to the stirring shaft 320 and is located in the premixing tank 200, the middle part of the stirring arm 340 is connected to the stirring shaft 320, and the stirring arm 340 is alternately provided with a plurality of first stirring blades 350 and second stirring blades 360 along the length direction, and the first stirring blades 350 and the second stirring blades 360 are in opposite directions.
[0027] Specifically, the coating production stirring kettle provided by the embodiment of the present invention achieves preliminary mixing of the raw materials through the combination of the premixing tank 200 and the stirring mechanism, followed by secondary mixing through the stirring mechanism, ensuring uniform mixing of the raw materials. The raw materials are fully premixed before entering the reactor 100, greatly improving mixing efficiency and reducing the workload of the stirring mechanism, thereby reducing overall energy consumption. The first stirring blade 350 and the second stirring blade 360 on the stirring arm 340 face in opposite directions, creating effective shear force and turbulence effects during rotation, which helps to disperse and evenly mix the raw materials, improve mixing efficiency, and ensure the quality of the final product.
[0028] Further, refer to Figures 1 to 3 According to some embodiments of the present invention, a scraper 370 is provided at the end of the stirring arm 340 , and the scraper 370 contacts the inner wall of the reactor 100 , and along the axial direction of the stirring shaft 320 , two adjacent scrapers 370 are connected or overlapped.
[0029] It is understandable that during the process of stirring the raw materials to produce the coating, some of the coating may adhere to the inner wall of the reactor 100, resulting in uneven stirring and poor fusion of the various raw material components, thus affecting the quality of the finished product. Therefore, to address the above technical issues, the embodiment of the utility model provides a scraper 370 at the end of the stirring arm 340 to scrape off the coating on the inner wall of the reactor 100 during the stirring process, thereby ensuring sufficient stirring and mixing, thereby ensuring the quality of the finished product.
[0030] Further, refer to Figure 2 According to some embodiments of the present invention, the scraper 370 is provided with a plurality of flow-turbulating holes 371, and the plurality of flow-turbulating holes 371 are evenly spaced along the axial direction of the stirring shaft 320. Specifically, the turbulent flow effect of the flow-turbulating holes 371 can make the raw materials mixed more evenly and improve the mixing efficiency.
[0031] It should be noted that, in the embodiment of the present invention, the number of the spoiler holes 371 can be four, five, six or other numbers, which can be determined according to actual conditions and is not specifically limited here.
[0032] It should be noted that, in the embodiment of the present invention, the arrangement of the spoiler holes 371 may be other arrangements, which can be determined according to actual conditions and will not be described in detail here.
[0033] Further, refer to Figure 1According to some embodiments of the present invention, the motor 310 is installed in the middle of the top of the reactor 100, there are two feed hoppers 110, and the two feed hoppers 110 are symmetrically arranged on both sides of the motor 310. The premixing box 200 is provided with two feed pipes 210, and the feed pipes 210 correspond one-to-one to the feed hoppers 110, thereby improving the feeding efficiency of the premixing box 200 and thereby improving the premixing efficiency.
[0034] Further, refer to Figure 1 According to some embodiments of the present invention, the premixing box 200 is provided with two discharge pipes 220, and the two discharge pipes 220 are symmetrically arranged on both sides of the premixing box 200, thereby improving the discharge efficiency of the premixing box 200 and further improving the mixing efficiency of the reactor 100.
[0035] Further, refer to Figure 1 According to some embodiments of the present invention, there are three stirring arms 340, and the three stirring arms 340 are evenly spaced along the axial direction of the stirring shaft 320, thereby improving the mixing efficiency and ensuring uniform mixing.
[0036] It should be noted that, in the embodiment of the present invention, the number of the stirring arms 340 can also be other numbers, which can be determined according to actual conditions and will not be elaborated here.
[0037] It should be noted that, in the embodiment of the present invention, the specific number of the first stirring blades 350 and the second stirring blades 360 can be determined according to actual conditions and is not specifically limited here.
[0038] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.
Claims
1. A coating production stirred tank, characterized in that: include: Reactor; A feed hopper, fixedly connected to the top of the reactor; A premixing box is provided in the reactor, wherein the upper end of the premixing box is provided with a feed pipe connected to the feed hopper, and the lower end of the premixing box is provided with a discharge pipe; The stirring mechanism includes a motor, a stirring shaft, a stirring blade and a stirring arm, the motor is installed on the top of the reactor, the stirring shaft is arranged in the reactor, the top end of the stirring shaft passes through the premixing box and is connected to the motor, the bottom end of the stirring shaft is rotatably connected to the bottom of the reactor, the stirring blade is connected to the stirring shaft and is located in the premixing box, the middle part of the stirring arm is connected to the stirring shaft, and the stirring arm is provided with a plurality of first stirring blades and second stirring blades alternately spaced along the length direction, and the first stirring blades and the second stirring blades are in opposite directions.
2. The coating production stirring kettle according to claim 1, characterized in that: A scraper is provided at the end of the stirring arm. The scraper contacts the inner wall of the reactor. Along the axial direction of the stirring shaft, two adjacent scrapers are connected or overlapped.
3. The coating production stirring kettle according to claim 2, characterized in that: The scraper is provided with a plurality of flow-turbulating holes, and the plurality of flow-turbulating holes are evenly spaced along the axial direction of the stirring shaft.
4. The coating production stirring kettle according to claim 1, characterized in that: The motor is installed in the middle of the top of the reactor. There are two feed hoppers, which are symmetrically arranged on both sides of the motor. The premixing box is provided with two feed pipes, which correspond one to one with the feed hoppers.
5. The coating production stirring kettle according to claim 4, characterized in that: The premixing box is provided with two discharge pipes, and the two discharge pipes are symmetrically arranged on both sides of the premixing box.
6. The coating production stirring kettle according to claim 1, characterized in that: There are three stirring arms, and the three stirring arms are evenly spaced along the axial direction of the stirring shaft.