A condensation kettle for producing PVB resin powder

Abstract

The utility model discloses a condensed kettle for PVB resin powder production in the technical field of condensed kettle, including kettle body, the top of kettle body is installed with stirring subassembly, the outside one side of kettle body is provided with temperature regulation and control box, and the inside of kettle body is provided with reaction cavity, and the bottom of kettle body still is provided with support base, and stirring subassembly includes sealed base disk, and the top of sealed base disk is installed with stirring motor, and this scheme is through the cooperation and use between stirring shaft, stirring blade and scraping piece, because the transmission connection between stirring shaft and the output of stirring motor, when stirring motor is electrified and operates, can mix the stirring processing of PVB resin powder of condensed reaction in the inside of kettle body, and the structure design of contact cooperation between cooperation triangular scraper and reaction cavity, the stirring blade of rotating in the inside of kettle body still can utilize scraping piece to scrape and clean the inside wall of kettle body, can effectively prevent PVB resin powder and so on and material adhesion and hang wall in the inner wall of kettle body.

Description

Technical Field

[0001] This utility model relates to the field of condensation reactor technology, and in particular to a condensation reactor for the production of PVB resin powder. Background Technology

[0002] PVB resin powder, or polyvinyl butyral resin powder, is a polymeric synthetic material produced through the condensation reaction of polyvinyl alcohol (PVA) and butyral. This material is a white or light yellow powder with excellent adhesion, flexibility, transparency, and impact resistance. PVB resin powder is insoluble in water at room temperature but soluble in many organic solvents. It possesses good film-forming properties and optical properties, and is widely used in interlayer films, coatings, adhesives, ceramic additives, and other fields. Its most typical application is as an interlayer material in laminated glass to improve the glass's impact resistance and safety.

[0003] In the production of PVB resin powder, the condensation reaction is a crucial step requiring specialized equipment. However, existing PVB resin powder condensation devices have several limitations in practical use. First, the agitator lacks a material scraping mechanism, causing PVB resin powder to easily adhere to the inner wall of the reactor, making effective cleaning difficult. This not only affects the overall mixing efficiency of the PVB resin powder but may also lead to material waste and inconsistent product quality. Second, most existing condensation devices employ a single-unit structure design, lacking heat insulation capabilities, making it impossible to effectively regulate and maintain the temperature during the reaction process. This may increase energy consumption and affect the stability of the reaction and the quality of the product.

[0004] Therefore, developing a PVB resin powder condensation kettle that can improve mixing efficiency, has good scraping function, and provides thermal insulation is of great significance for improving production efficiency and product quality. Based on this, we propose a condensation kettle for PVB resin powder production. Utility Model Content

[0005] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of the present invention, to avoid obscuring the purpose of these documents, and such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0006] Therefore, the purpose of this utility model is to provide a condensation kettle for PVB resin powder production, which can solve the problems of existing PVB resin powder condensation devices, such as the lack of a scraping mechanism in the agitator leading to material adhesion, difficulty in cleaning, waste, and quality impact, as well as the high energy consumption and unstable reaction due to the lack of heat insulation function.

[0007] To solve the above technical problems, this utility model provides a condensation kettle for PVB resin powder production, which adopts the following technical solution: it includes a kettle body, a stirring assembly is installed on the top of the kettle body, a temperature control box is provided on the outer side of the kettle body, a reaction cavity is opened inside the kettle body, and a support base is also provided at the bottom of the kettle body. The stirring assembly includes a sealed base plate, a stirring motor is mounted on the top of the sealed base plate, and a mixing and stirring component is also provided at the bottom of the sealed base plate.

[0008] Optionally, the mixing and stirring component includes a stirring shaft, which is connected to the output end of the stirring motor via a transmission connection. Several sets of circumferentially arrayed stirring blades are connected to the outer side of the stirring shaft, and scraper components are respectively provided on one side of each set of stirring blades.

[0009] Optionally, the scraping component includes a triangular scraper, which is in contact with the reaction cavity, and a positioning plate is installed on one side of the triangular scraper.

[0010] Optionally, a positioning groove is provided on one side edge of several sets of stirring blades. The positioning groove matches the structure of the positioning plate, and the positioning groove and the positioning plate are engaged in a snap-fit ​​relationship.

[0011] Optionally, a feed inlet is provided on one side of the top of the vessel body, and a discharge port is installed at the bottom of the vessel body near the feed inlet. The feed inlet, the discharge port and the reaction cavity are all connected in a continuous manner.

[0012] Optionally, a heat-insulating cavity is provided around the inner perimeter of the reaction cavity, and a dual-control pipe for both hot and cold is distributed inside the heat-insulating cavity. The dual-control pipe for both hot and cold is connected to the temperature control box.

[0013] In summary, this utility model has at least one of the following beneficial effects: 1. The PVB resin powder condensation reactor designed in this scheme, through the synergistic effect of its unique stirring components and scraping parts, can effectively prevent PVB resin powder from adhering to the inner wall of the reactor body, achieving efficient mixing and stirring of materials. The stirring motor drives the stirring shaft and stirring blades to rotate, while the triangular scraper on the stirring blades makes close contact with the inner wall of the reaction cavity, continuously scraping off the material adhering to the inner wall during the stirring process, avoiding local over-reaction or incomplete reaction of materials, making the reaction more uniform and thorough, thereby improving the production rate and quality stability of PVB resin powder, reducing material waste, and improving material utilization.

[0014] 2. The PVB resin powder condensation reactor designed in this scheme, through the combined use of a temperature control box and a dual-control hot and cold pipeline, as well as the heat insulation function of the insulated cavity, can achieve precise temperature control of the PVB resin powder condensation reaction, realize efficient energy utilization and stable reaction process. According to the reaction requirements, a hot or cold medium can be circulated into the dual-control hot and cold pipeline to provide or remove heat for the reaction. The insulated cavity can effectively prevent heat loss through the reactor body, reduce heat loss or external heat transfer, reduce temperature regulation energy consumption, avoid side reactions caused by temperature fluctuations, ensure stable condensation reaction, improve product quality, and enhance the flexibility and practicality of the equipment in the field of condensation reactor technology. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the vessel structure of this utility model; Figure 3 This is a schematic diagram of the stirring assembly structure of this utility model; Figure 4 This is a cross-sectional view of the vessel body of this utility model.

[0017] Explanation of reference numerals in the attached drawings: 1. Reactor body; 2. Stirring assembly; 3. Temperature control box; 4. Reaction cavity; 5. Support base; 6. Sealing base plate; 7. Stirring motor; 8. Mixing and stirring components; 9. Stirring shaft; 10. Stirring blade; 11. Scraper; 12. Triangular scraper; 13. Positioning plate; 14. Positioning slot; 15. Feed inlet; 16. Discharge outlet; 17. Insulated cavity; 18. Dual-control hot and cold piping. Detailed Implementation

[0018] 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.

[0019] Example: Refer to Figures 1 to 4This utility model provides an embodiment of a condensation reactor for PVB resin powder production, comprising a reactor body 1, a stirring assembly 2 mounted on the top of the reactor body 1, a temperature control box 3 located on the outer side of the reactor body 1, a reaction cavity 4 inside the reactor body 1, and a support base 5 at the bottom of the reactor body 1. The stirring assembly 2 includes a sealing base plate 6, a stirring motor 7 mounted on the top of the sealing base plate 6, and a mixing and stirring component 8 located at the bottom of the sealing base plate 6. This PVB resin powder condensation reactor utilizes the cooperation of a stirring shaft 9, stirring blades 10, and a scraper 11. Because the stirring shaft 9 and the output end of the stirring motor 7 are connected by a transmission, when the stirring motor 7 is powered on, it can mix and stir the PVB resin powder undergoing condensation reaction inside the reactor body 1. Combined with the structural design of the triangular scraper 12 contacting and engaging with the reaction cavity 4, the rotating stirring blades 10 inside the reactor body 1 can also use the scraper 11 to scrape and clean the inner wall of the reactor body 1, effectively preventing the PVB resin powder from being damaged. The material adheres to the inner wall of the vessel 1. The mixing and stirring component 8 includes a stirring shaft 9, which is connected to the output end of the stirring motor 7. Several sets of circumferentially arrayed stirring blades 10 are connected to the outside of the stirring shaft 9. Each set of stirring blades 10 is also provided with a scraper 11 on one side. Through the cooperation between the stirring shaft 9, stirring blades 10, and scraper 11, the mixing and stirring component 8 can efficiently mix and stir the PVB resin powder in the vessel 1, and can also scrape off the PVB resin powder adhering to the inner wall of the vessel 1 during the stirring process. The scraper 11 includes a triangular scraper 12, which is in contact with the reaction cavity 4. A positioning plate 13 is installed on one side of the triangular scraper 12. Through the structural design of the contact and cooperation between the triangular scraper 12 and the reaction cavity 4, the stirring blades 10 rotating inside the vessel 1 can be scraped and cleaned by the scraper 11, which can prevent PVB resin powder and other materials from adhering to the inner wall of the vessel 1.

[0020] Positioning slots 14 are provided on one edge of several sets of stirring blades 10. The positioning slots 14 and positioning plates 13 are structurally matched and are snap-fitted together. Through the snap-fit ​​structure design between the positioning slots 14 and positioning plates 13, the triangular scraper 12 can be snapped and connected to one side of the stirring blades 10. The stirring blades 10 can be disassembled, connected, repaired, and replaced according to the usage of the triangular scraper 12. A feed inlet 15 is provided on one side of the top of the vessel body 1, and a discharge port 16 is installed at the bottom of the vessel body 1 near the feed inlet 15. The feed inlet 15 and the discharge port 16 are connected to the reaction cavity 4. The feed inlet 15 and the discharge port 16 on the vessel body 1 are used for the input and output of PVB resin powder in the condensation reaction. A heat-insulating cavity 17 is provided around the inner perimeter of the reaction cavity 4. A dual-control pipe 18 for both heating and cooling is distributed within the heat-insulating cavity 17. The dual-control pipe 18 is connected to the temperature control box 3. The heat-insulating cavity 17 provides insulation for the circulating heat or cold medium within the dual-control pipe 18, maintaining a stable temperature in the reactor body 1 and achieving a small temperature gradient and uniform heating or cooling effect in the condensation reaction. Through the continuous connection between the dual-control pipe 18 and the temperature control box 3, the temperature control box 3 can supply media such as steam, heat transfer oil, chilled brine, or liquid nitrogen to the dual-control pipe 18 according to usage conditions, precisely regulating the temperature of the condensation reaction inside the reactor body 1, achieving rapid heating, precise temperature control, and high energy efficiency in the reaction process.

[0021] Working Principle: The PVB resin powder condensation reactor designed in this scheme mainly consists of a reactor body 1, a stirring assembly 2, and a temperature control box 3. The stirring assembly 2 includes a sealed base plate 6, a stirring motor 7, and a mixing and stirring component 8. The mixing and stirring component 8, through the cooperation of the stirring shaft 9, stirring blades 10, and scraper 11, can achieve the key stirring and scraping functions. Specifically, when the stirring motor 7 is powered on, since the stirring shaft 9 and the output end of the stirring motor 7 are connected by a transmission, its power is transmitted through the stirring shaft 9 to drive the stirring blades 10 to mix and stir the PVB resin powder inside the reactor body 1. At the same time, the triangular scraper 12 set on the outside of the stirring blades 10, because the triangular scraper 12 is in close contact with the inner wall of the reaction cavity 4, can scrape and clean the inner wall of the reactor body 1 during the rotation of the stirring blades 10, effectively preventing PVB resin powder and other substances from adhering to the inner wall of the reactor body 1, thereby improving the stirring efficiency and reaction effect.

[0022] In terms of temperature control, the PVB resin powder condensation reactor designed in this scheme adopts a through-connection structure between the temperature control box 3 and the hot and cold dual control pipeline 18. According to the specific needs of the PVB resin powder condensation reaction, a heat medium (such as steam, heat transfer oil) or a cold medium (such as frozen brine, liquid nitrogen, etc.) can be circulated into the hot and cold dual control pipeline 18. When heating is required, the heat medium circulates in the hot and cold dual control pipeline 18 to provide heat for the reaction; when cooling is required, the cold medium circulates in the pipeline to remove the heat generated by the reaction. The heat-insulating cavity 17 opened around the inner side of the reaction cavity 4 plays a role in insulating the heat medium or cold medium circulated in the hot and cold dual control pipeline 18, effectively preventing the temperature from escaping outward through the reactor body 1, thereby achieving precise temperature control and ensuring that the condensation reaction is carried out under suitable temperature conditions.

[0023] Finally, it should be noted that the above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A condensation reactor for producing PVB resin powder, comprising a reactor body (1), characterized in that: The top of the vessel body (1) is equipped with a stirring assembly (2), a temperature control box (3) is provided on the outer side of the vessel body (1), a reaction cavity (4) is opened inside the vessel body (1), and a support base (5) is provided at the bottom of the vessel body (1). The stirring assembly (2) includes a sealing base plate (6), a stirring motor (7) is installed on the top of the sealing base plate (6), and a mixing and stirring component (8) is also provided at the bottom of the sealing base plate (6).

2. The condensation reactor for PVB resin powder production according to claim 1, characterized in that: The mixing and stirring component (8) includes a stirring shaft (9), which is connected to the output end of the stirring motor (7) via a transmission connection. Several sets of stirring blades (10) arranged in a circular array are connected to the outside of the stirring shaft (9), and scraper components (11) are respectively provided on one side of each of the several sets of stirring blades (10).

3. The condensation reactor for PVB resin powder production according to claim 2, characterized in that: The scraping component (11) includes a triangular scraper (12), which is in contact with the reaction cavity (4), and a positioning plate (13) is installed on one side of the triangular scraper (12).

4. A condensation reactor for PVB resin powder production according to claim 3, characterized in that: A positioning slot (14) is provided on one side edge of several sets of stirring blades (10). The positioning slot (14) matches the structure of the positioning plate (13), and the positioning slot (14) and the positioning plate (13) are engaged.

5. A condensation reactor for PVB resin powder production according to claim 4, characterized in that: A feed inlet (15) is provided on one side of the top of the vessel body (1), and a discharge port (16) is installed at the bottom of the side of the vessel body (1) near the feed inlet (15). The feed inlet (15), the discharge port (16) and the reaction cavity (4) are all connected in a continuous manner.

6. A condensation reactor for PVB resin powder production according to claim 5, characterized in that: The reaction cavity (4) has an insulated cavity (17) on its inner periphery. The insulated cavity (17) has a dual-control pipe (18) for both hot and cold, and the dual-control pipe (18) for both hot and cold is connected to the temperature control box (3).

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