Stirring device for resin reaction kettle
By designing a stirring device including a spiral stirring structure, annular heating device, a scraper structure and a positioning structure, the problem of uneven adhesion and heat transfer of high viscosity resin during stirring in the reactor is solved, uniform mixing of materials and uniform heat transfer are achieved, and stirring efficiency and service life of the equipment are improved.
Patent Information
- Application Number
- CN202421507207.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-06-28
AI Technical Summary
High viscosity resins tend to adhere to the inner wall of the kettle during stirring in the reactor, resulting in uneven heat transfer and increasing the difficulty of cleaning.
An agitator device including a spiral stirring structure, an annular heating device, a scraper structure and a positioning structure is designed. The spiral stirring structure realizes uniform mixing and heat transfer of materials through the propeller blades; the annular heating device provides uniform heating; the scraper structure effectively scrapes off adhered materials; the positioning structure prevents the stirring shaft from swinging, ensuring the stability of the stirring process.
Through the design of the spiral stirring structure, uniform mixing of materials and uniform heat transfer are achieved, adhesion is reduced, and stirring efficiency and service life of the equipment are improved. The positioning structure and scraper structure further ensure the stability and cleanliness of the stirring process.
Smart Images
Figure CN222872201U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of reaction kettles, in particular to a stirring device used for a resin reaction kettle. Background Art
[0002] The resin reactor is a special equipment used for chemical reactions in the resin production process. It is widely used in the chemical, pharmaceutical, food and other industries for resin synthesis, polymerization, mixing, emulsification, heating and cooling processes. The stirring device of the resin reactor is a key device in the resin production process. By stirring, the resin raw materials and other additives are evenly mixed to ensure the uniformity of the chemical reaction and improve the product quality. High-viscosity resins are easy to adhere to the inner wall of the reactor during stirring. The adhesive layer on the inner wall of the reactor will hinder the transfer of heat, resulting in uneven heating or cooling processes, and increased difficulty in cleaning. Summary of the invention
[0003] In view of this, the present invention aims to solve one of the related technical problems at least to a certain extent.
[0004] In order to achieve the above object, the technical solution of the utility model is implemented as follows:
[0005] A stirring device for a resin reaction kettle, comprising a driving motor, a mounting plate, a stirring shaft, a spiral stirring structure, an annular heating device, a plate frame fixing structure, a positioning structure, two scraper structures and two stirring paddle structures;
[0006] The top of the stirring shaft is fixedly connected to the mounting plate, the bottom of the stirring shaft is rotatably connected to the positioning structure, and the output end of the driving motor is detachably connected to the mounting plate;
[0007] The plate frame fixing structure is detachably connected to the stirring shaft, the two scraper structures are symmetrically arranged on the left and right sides of the plate frame fixing structure, each of the scraper structures is detachably connected to the plate frame fixing structure, the spiral stirring structure is arranged inside the plate frame fixing structure, and the spiral stirring structure is fixedly connected to the stirring shaft;
[0008] The two stirring paddle structures are symmetrically arranged on the stirring shaft, and the annular heating device is arranged outside the stirring paddle structure located at the bottom.
[0009] Furthermore, the plate-frame fixing structure comprises two cross bars, two mounting sleeves and two fixing plates, the two cross bars are symmetrically arranged up and down, a mounting sleeve is correspondingly arranged in the middle of each cross bar, the mounting sleeve is detachably connected to the stirring shaft, the two fixing plates are symmetrically arranged between the two cross bars, the upper and lower ends of each fixing plate are fixedly connected to a cross bar, the outer end surface of the fixing plate and the outer end of the cross bar are provided with a through groove, and the through groove is detachably connected to the scraper structure.
[0010] Furthermore, the scraper structure includes a connecting plate and a scraper, and the inner end surface of the scraper is connected to the through groove through the connecting plate.
[0011] Furthermore, the spiral stirring structure includes a plurality of propeller blades, which are evenly arranged in a circle in the middle of the stirring shaft, the inner end of each propeller blade is fixedly connected to the stirring shaft, and the outer wall of each propeller blade is covered with an anti-stick coating.
[0012] Furthermore, the stirring paddle structure includes a connecting sleeve and a plurality of stirring rods, wherein the plurality of stirring rods are evenly arranged in a circle on the outside of the connecting sleeve, each stirring rod is connected to the connecting sleeve via a threaded rod, the connecting sleeve is detachably connected to the stirring shaft, and the outer end of the stirring rod is provided with a rounded corner.
[0013] Furthermore, the positioning structure includes a positioning sleeve, a fixing ring and a plurality of supporting rods, the positioning sleeve is rotatably connected to the bottom of the stirring shaft, the positioning sleeve is connected to the fixing ring through the plurality of supporting rods, and the fixing ring is used to connect to the inner wall of the reactor.
[0014] Furthermore, the annular heating device includes a protective shell and a spiral heating tube, the protective shell is sleeved on the outside of the spiral heating tube, and the protective shell can fit the bottom of the reactor.
[0015] Compared with the prior art, the stirring device for a resin reactor described in the utility model has the following advantages:
[0016] 1. The spiral stirring structure can effectively push the material to circulate up and down and around, ensuring that the materials in various places in the reactor are evenly mixed and improving the stirring efficiency. The design of the propeller blade can reduce the stirring dead angle in the reactor, so that the materials can be fully stirred in the entire reactor, avoiding some materials not participating in the reaction. Through the continuous movement of the spiral stirring structure, the material can contact the heating or cooling surface of the reactor more quickly, promoting the uniform transfer of heat and ensuring that the reaction is carried out under the optimal temperature conditions. The outer wall of the propeller blade is covered with an anti-stick coating, which can effectively reduce the adhesion of high-viscosity resin materials, keep the agitator clean, and increase the service life of the equipment.
[0017] 2. The rotational connection between the positioning sleeve and the bottom of the agitator shaft can effectively prevent the agitator shaft from swinging when rotating at high speed, ensuring a smooth and stable mixing process. The supporting effect of the positioning structure enables the agitator shaft and the agitator to maintain the correct working position during operation, ensuring uniform mixing of materials and improving the mixing effect. By supporting and fixing the agitator shaft, the positioning structure can reduce the wear between the bearing and the agitator shaft, extend the service life of the equipment, and reduce maintenance costs.
[0018] 3. The annular heating device is set around the stirring shaft, which can provide a uniform heating effect, so that the materials in the reactor are evenly heated to avoid local overheating or overcooling. The design of the spiral heating tube can evenly distribute the heat at the bottom of the reactor, ensuring the temperature balance in the entire reactor, improving the reaction efficiency and product quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:
[0020] Figure 1 This is a schematic diagram of a stirring device for a resin reaction kettle according to an embodiment of the utility model;
[0021] Figure 2 This is a schematic diagram of the stirring paddle structure according to an embodiment of the utility model;
[0022] Figure 3 This is a schematic diagram of the plate-frame fixing structure according to an embodiment of the utility model;
[0023] Figure 4 This is a schematic diagram of the structure of the spiral heating tube according to an embodiment of the utility model;
[0024] Figure 5 This is a schematic diagram of the positioning structure described in an embodiment of the utility model;
[0025] Figure 6 This is a front view of a stirring device for a resin reaction kettle according to an embodiment of the utility model;
[0026] Figure 7 The present invention is a top view of a stirring device for a resin reaction kettle according to an embodiment of the present invention.
[0027] Description of reference numerals:
[0028] 101. Mounting plate; 102. Reinforcing ribs; 200. Agitator paddle structure; 201. Connecting sleeve; 202. Agitator paddle; 300. Spiral stirring structure; 400. Scraper structure; 401. Scraper; 402. Connecting plate; 500. Plate-frame fixing structure; 501. Cross bar; 502. Mounting sleeve; 503. Fixing plate; 600. Annular heating device; 601. Spiral heating tube; 700. Positioning structure; 701. Positioning sleeve; 702. Support rod; 703. Fixing ring. DETAILED DESCRIPTION
[0029] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.
[0030] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.
[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.
[0032] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.
[0033] A stirring device for a resin reactor, such as Figure 1As shown, it includes a driving motor, a mounting plate 101, a stirring shaft, a spiral stirring structure 300, an annular heating device 600, a plate frame fixing structure 500, a positioning structure 700, two scraper structures 400 and two stirring paddle structures 200; the top of the stirring shaft is fixedly connected to the mounting plate 101, the bottom of the stirring shaft is rotatably connected to the positioning structure 700, the output end of the driving motor is connected to the mounting plate 101 by bolts, and a plurality of reinforcing ribs 102 are provided at the position where the mounting plate 101 is connected to the stirring shaft;
[0034] The plate frame fixing structure 500 is detachably connected to the stirring shaft, the two scraper structures 400 are symmetrically arranged on the left and right sides of the plate frame fixing structure 500, each scraper structure 400 is detachably connected to the plate frame fixing structure 500, the spiral stirring structure 300 is arranged inside the plate frame fixing structure 500, and the spiral stirring structure 300 is fixedly connected to the stirring shaft;
[0035] The two stirring paddle structures 200 are symmetrically arranged on the stirring shaft, and the annular heating device 600 is arranged on the outside of the stirring paddle structure 200 located at the bottom. The annular heating device 600 includes a protective shell and a spiral heating tube 601. The protective shell is sleeved on the outside of the spiral heating tube 601, and the protective shell can fit the bottom of the reactor. The annular heating device 600 is arranged around the stirring shaft, which can provide a uniform heating effect, so that the material in the reactor is evenly heated, and local overheating or overcooling is avoided. The design of the spiral heating tube 601 can evenly distribute the heat at the bottom of the reactor, ensure the temperature balance in the entire reactor, and improve the reaction efficiency and product quality.
[0036] The plate frame fixing structure 500 includes two cross bars 501, two mounting sleeves 502 and two fixing plates 503. The two cross bars 501 are symmetrically arranged up and down. A mounting sleeve 502 is correspondingly arranged in the middle of each cross bar 501. The mounting sleeve 502 is connected to the stirring shaft through a pin. The two fixing plates 503 are symmetrically arranged between the two cross bars 501. The upper and lower ends of each fixing plate 503 are fixedly connected to a cross bar 501. The outer end faces of the fixing plates 503 and the outer ends of the cross bars 501 are provided with through grooves, and the through grooves are connected to the scraper structure 400 through a plurality of bolts. In this embodiment, the scraper structure 400 includes a connecting plate 402 and a scraper 401. The inner end face of the scraper 401 is connected to the through groove through the connecting plate 402. The scraper structure 400 can effectively scrape off the materials adhering to the inner wall of the reactor and the surface of the agitator, prevent the accumulation of materials, and keep the reactor clean. By continuously scraping and turning the material, the scraper structure 400 can promote uniform mixing of the material, ensure that the components are fully in contact, and improve the reaction effect. The scraper 401 continuously scrapes the material on the inner wall so that it is constantly in contact with the heat exchange surface to avoid forming an insulation layer, ensure that the material is evenly heated, and improve the heat transfer efficiency.
[0037] The spiral stirring structure 300 includes a plurality of propeller blades, which are evenly arranged in a circle in the middle of the stirring shaft, the inner end of each propeller blade is welded to the stirring shaft, and the outer wall of each propeller blade is covered with an anti-stick coating. The spiral stirring structure 300 can effectively push the material to circulate up and down and circumferentially, ensure that the materials in various places in the reactor are evenly mixed, and improve the stirring efficiency. The design of the propeller blades can reduce the stirring dead angle in the reactor, so that the materials are fully stirred in the entire reactor, and avoid some materials not participating in the reaction. Through the continuous movement of the spiral stirring structure 300, the material can contact the heating or cooling surface of the reactor more quickly, promote the uniform transfer of heat, and ensure that the reaction is carried out under the optimal temperature conditions. The outer wall of the propeller blade is covered with an anti-stick coating, which can effectively reduce the adhesion of high-viscosity resin materials, keep the agitator clean, and increase the service life of the equipment.
[0038] The stirring paddle structure 200 includes a connecting sleeve 201 and a plurality of stirring rods, which are evenly arranged in a circle on the outside of the connecting sleeve 201. Each stirring rod is connected to the connecting sleeve 201 through a threaded rod. The connecting sleeve 201 is connected to the stirring shaft through a pin shaft, and the outer end of the stirring rod is provided with a rounded corner.
[0039] The positioning structure 700 includes a positioning sleeve 701, a fixing ring 703 and a plurality of support rods 702. The positioning sleeve 701 is rotatably connected to the bottom of the stirring shaft. The positioning sleeve 701 is connected to the fixing ring 703 through a plurality of support rods 702. The fixing ring 703 is used to connect to the inner wall of the reactor. The rotatable connection between the positioning sleeve 701 and the bottom of the stirring shaft can effectively prevent the stirring shaft from swinging when rotating at high speed, ensuring the smoothness and stability of the stirring process. The supporting function of the positioning structure 700 enables the stirring shaft and the agitator to maintain the correct working position during operation, ensuring the uniform mixing of the materials and improving the stirring effect. By supporting and fixing the stirring shaft, the positioning structure 700 can reduce the wear between the bearing and the stirring shaft, extend the service life of the equipment, and reduce maintenance costs.
[0040] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A stirring device for a resin reaction kettle, characterized in that: It comprises a driving motor, a mounting plate (101), a stirring shaft, a spiral stirring structure (300), an annular heating device (600), a plate frame fixing structure (500), a positioning structure (700), two scraper structures (400) and two stirring paddle structures (200); The top of the stirring shaft is fixedly connected to the mounting plate (101), the bottom of the stirring shaft is rotatably connected to the positioning structure (700), and the output end of the driving motor is detachably connected to the mounting plate (101); The plate frame fixing structure (500) is detachably connected to the stirring shaft, the two scraper structures (400) are symmetrically arranged on the left and right sides of the plate frame fixing structure (500), each of the scraper structures (400) is detachably connected to the plate frame fixing structure (500), the spiral stirring structure (300) is arranged inside the plate frame fixing structure (500), and the spiral stirring structure (300) is fixedly connected to the stirring shaft; The two stirring paddle structures (200) are symmetrically arranged on the stirring shaft, and the annular heating device (600) is arranged outside the stirring paddle structure (200) located at the bottom.
2. A stirring device for a resin reaction kettle according to claim 1, characterized in that: The plate frame fixing structure (500) comprises two cross bars (501), two mounting sleeves (502) and two fixing plates (503), the two cross bars (501) are symmetrically arranged in the upper and lower parts, a mounting sleeve (502) is correspondingly arranged in the middle part of each cross bar (501), the mounting sleeve (502) is detachably connected to the stirring shaft, the two fixing plates (503) are symmetrically arranged between the two cross bars (501), the upper and lower ends of each fixing plate (503) are fixedly connected to a cross bar (501), the outer end surface of the fixing plate (503) and the outer end of the cross bar (501) are both provided with through grooves, and the through grooves are detachably connected to the scraper structure (400).
3. A stirring device for a resin reaction kettle according to claim 2, characterized in that: The scraper structure (400) comprises a connecting plate (402) and a scraper (401), and the inner end surface of the scraper (401) is connected to the through groove via the connecting plate (402).
4. A stirring device for a resin reaction kettle according to any one of claims 1 to 3, characterized in that: The spiral stirring structure (300) comprises a plurality of propeller blades, which are evenly arranged in a circumference in the middle of the stirring shaft, the inner end of each propeller blade is fixedly connected to the stirring shaft, and the outer wall of each propeller blade is covered with an anti-stick coating.
5. The stirring device for a resin reaction kettle according to claim 4, characterized in that: The stirring paddle structure (200) comprises a connecting sleeve (201) and a plurality of stirring rods, wherein the plurality of stirring rods are evenly arranged in a circumference on the outside of the connecting sleeve (201), each stirring rod is connected to the connecting sleeve (201) via a threaded rod, the connecting sleeve (201) is detachably connected to the stirring shaft, and the outer ends of the stirring rods are provided with rounded corners.
6. A stirring device for a resin reaction kettle according to claim 4, characterized in that: The positioning structure (700) comprises a positioning sleeve (701), a fixing ring (703) and a plurality of supporting rods (702); the positioning sleeve (701) is rotatably connected to the bottom of the stirring shaft; the positioning sleeve (701) is connected to the fixing ring (703) via the plurality of supporting rods (702); and the fixing ring (703) is used to connect to the inner wall of the reaction kettle.
7. The stirring device for a resin reaction kettle according to claim 4, characterized in that: The annular heating device (600) comprises a protective shell and a spiral heating tube (601), wherein the protective shell is sleeved on the outside of the spiral heating tube (601), and the protective shell can fit the bottom of the reaction kettle.