Raw material blending kettle for producing polyether polymer polyol
The rotating shaft driven by the servo motor drives the inclined plate and scraper to scrape off the adhered materials on the inner wall of the kettle. Combined with the spiral blade, the material discharge is accelerated, which solves the problem of difficult discharge of polyether polymer polyols, realizes efficient stirring and heating mixing, and improves processing efficiency.
Patent Information
- Application Number
- CN202422594200.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-26
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-10-26
AI Technical Summary
During the processing, polyether polymer polyols tend to adhere to the inner wall of the raw material mixing kettle, resulting in difficulty in discharging and poor fluidity.
The rotating shaft driven by a servo motor drives the inclined plate and scraper to scrape off the adhered materials on the inner wall of the kettle. At the same time, the spiral blades accelerate the discharge of materials. The stirring element and spiral heating tube are combined to improve the mixing and heating efficiency.
Effectively scrape off the adhered matter on the inner wall of the kettle, improve the discharge efficiency, enhance the stirring and mixing effect, and improve the processing efficiency.
Smart Images
Figure CN223337250U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of polyol production, in particular to a raw material mixing kettle for the production of polyether polymer polyol. Background Art
[0002] Polyether polymer polyol is a polyol containing organic fillers that can replace inorganic fillers. It not only enables polyurethane foam to have higher load-bearing capacity and good rebound performance, but also improves the foam's pore structure and physical and mechanical properties.
[0003] When processing and producing polyether polymer polyols, a raw material mixing kettle is required. The production raw materials are mixed and processed through the reactor. The polymer polyol obtained after the mixing process is a viscous liquid with poor fluidity. It is easy to adhere to the inner wall of the raw material mixing kettle during discharge, which is inconvenient for normal discharge. Therefore, further improvements can be made. Utility Model Content
[0004] In order to solve the above-mentioned problems, the present invention provides the following technical solutions: a raw material mixing kettle for the production of polyether polymer polyols, comprising a mixing kettle body, a top cover is provided on the top of the mixing kettle body, three legs are fixedly installed on the bottom of the mixing kettle body, a feed pipe is fixedly installed on the top of the top cover, a discharge pipe is fixedly installed at the bottom center of the mixing kettle body, a servo motor is fixedly installed on the top of the top cover, a raw material mixing component is provided inside the mixing kettle body, and the raw material mixing component rotates inside the mixing kettle body through the servo motor.
[0005] As an optimization, the raw material mixing component includes a rotating shaft fixedly mounted on the bottom of the servo motor output shaft, a stirring member for stirring the raw materials is provided on the outer side of the upper half of the rotating shaft, a scraping member for scraping off the adhered polyol is provided on the outer side of the bottom of the rotating shaft, and a discharging rod for assisting in discharging is provided at the bottom end of the rotating shaft.
[0006] As an optimization, the stirring member includes a mounting block fixedly mounted on the outside of the rotating shaft, a support rod fixedly mounted on the outside of the mounting block, and inclined plates fixedly mounted on the upper and lower sides of the support rod. By starting the servo motor, the rotating shaft will be driven to rotate, so the inclined plate will be driven to rotate inside the mixing kettle, and the raw materials in the kettle will be stirred, and the stirring and mixing effect will be further improved by the inclined plate.
[0007] As an optimization, three support rods are installed in an array outside the mounting block, and the inclined plate is tilted at thirty degrees.
[0008] As an optimization, the scraper includes a fixed block fixedly installed on the outside of the bottom of the rotating shaft, three inclined rods are fixedly installed in an array on the outside of the fixed block, and a scraper is fixedly installed on the bottom of the inclined rod, and the scraper is in an arc shape and abuts against the bottom wall of the mixing kettle. The rotation of the rotating shaft will drive the inclined rod to rotate synchronously, so it will drive the scraper to rotate along the bottom wall of the mixing kettle, and then scrape off the polyol adhered to the inner wall of the kettle, to assist in the discharge of the polyol.
[0009] As an optimization, the discharge rod includes a rotating rod fixedly mounted on the bottom end of the rotating shaft, a spiral piece is fixedly mounted on the outer side of the rotating rod, and the spiral piece is rotatably connected in the discharge pipe. The rotation of the rotating shaft will drive the rotating rod to rotate synchronously, and then the spiral piece will rotate inside the discharge pipe, thereby accelerating the discharge efficiency of the viscous polyol.
[0010] As an optimization, a spiral heating tube is provided in the wall of the mixing kettle body, and the spiral heating tube surrounds the mixing kettle body in a spiral shape. The polyol processed in the mixing kettle can be heated by the spiral heating tube, thereby improving processing efficiency.
[0011] The beneficial effects of the utility model are:
[0012] The raw material mixing kettle for the production of polyether polymer polyols can drive the rotating shaft to rotate by starting the servo motor, and then drive the inclined rod to rotate synchronously, so as to drive the scraper to rotate along the bottom wall of the mixing kettle, and then scrape off the polyol adhering to the inner wall of the kettle, and assist in the discharge of the polyol. At the same time, the spiral blade is driven by the rotating rod to rotate inside the discharge pipe, and then the viscous polyol can be quickly discharged, thereby accelerating the discharge efficiency of the viscous polyol. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the structure of the utility model;
[0014] Figure 2 This is a schematic diagram of the internal structure of the utility model;
[0015] Figure 3 This is a schematic diagram of the raw material mixing structure of the utility model.
[0016] In the figure: 1. Mixing kettle body; 2. Top cover; 3. Support legs; 4. Feed pipe; 5. Discharge pipe; 6. Servo motor; 7. Raw material mixing assembly; 8. Spiral heating tube; 9. Rotating shaft; 10. Mounting block; 11. Support rod; 12. Inclined plate; 13. Fixed block; 14. Inclined rod; 15. Scraper; 16. Rotating rod; 17. Spiral blade. DETAILED DESCRIPTION
[0017] In the description of this application, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and 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, and therefore cannot be understood as a limitation on this application.
[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0019] See also Figure 1-2 A raw material mixing kettle for the production of polyether polymer polyols includes a mixing kettle body 1, a top cover 2 is provided on the top of the mixing kettle body 1, three legs 3 are fixedly installed on the bottom of the mixing kettle body 1, a feeding pipe 4 is fixedly installed on the top of the top cover 2, a discharge pipe 5 is fixedly installed at the bottom center of the mixing kettle body 1, and a servo motor 6 is fixedly installed on the top of the top cover 2. A raw material mixing component 7 is provided inside the mixing kettle body 1, and the raw material mixing component 7 is rotated inside the mixing kettle body 1 through the servo motor 6. A spiral heating tube 8 is provided inside the wall of the mixing kettle body 1, and the spiral heating tube 8 spirally surrounds the mixing kettle body 1. The polyol processed in the mixing kettle can be heated by the spiral heating tube 8, thereby improving the processing efficiency.
[0020] See also Figure 3 The raw material mixing assembly 7 includes a rotating shaft 9 fixedly mounted on the bottom of the output shaft of the servo motor 6. A stirring member for stirring the raw materials is provided on the outer side of the upper half of the rotating shaft 9. A scraping member for scraping off the adhered polyol is provided on the outer side of the bottom of the rotating shaft 9. A feeding rod for assisting feeding is provided at the bottom end of the rotating shaft 9.
[0021] See also Figure 3 The stirring member includes a mounting block 10 fixedly mounted on the outside of the rotating shaft 9, a support rod 11 is fixedly mounted on the outside of the mounting block 10, and three support rods 11 are installed in an array on the outside of the mounting block 10. Inclined plates 12 are fixedly mounted on the upper and lower sides of the support rod 11. The inclined plates 12 are inclined at thirty degrees. By starting the servo motor 6, the rotating shaft 9 will be driven to rotate, so the inclined plates 12 will be driven to rotate inside the mixing kettle, thereby stirring the raw materials in the kettle, and at the same time, the stirring and mixing effect will be further improved through the inclined plates 12.
[0022] See also Figure 3The scraper includes a fixed block 13 fixedly mounted on the outer side of the bottom of the rotating shaft 9. Three inclined rods 14 are fixedly mounted in an array on the outer side of the fixed block 13. A scraper 15 is fixedly mounted on the bottom of the inclined rod 14, and the scraper 15 is in an arc shape and abuts against the bottom wall of the mixing kettle. The rotation of the rotating shaft 9 drives the inclined rod 14 to rotate synchronously, so that the scraper 15 is driven to rotate along the bottom wall of the mixing kettle, thereby scraping off the polyol adhered to the inner wall of the kettle and assisting in the discharge of the polyol.
[0023] See also Figure 3 The discharge rod includes a rotating rod 16 fixedly mounted at the bottom end of the rotating shaft 9, and a spiral piece 17 is fixedly mounted on the outer side of the rotating rod 16, and the spiral piece 17 is rotatably connected to the discharge pipe 5. The rotation of the rotating shaft 9 will drive the rotating rod 16 to rotate synchronously, and then the spiral piece 17 will rotate inside the discharge pipe 5, thereby accelerating the discharge efficiency of the viscous polyol.
[0024] During use, raw materials are first added to the mixing kettle body 1 through the feed pipe 4, and then the servo motor 6 and the spiral heating tube 8 are started respectively. The servo motor 6 heats the raw materials in the kettle in real time to improve the polyol processing efficiency. The servo motor 6 drives the rotating shaft 9 to rotate, which in turn drives the inclined plate 12 to rotate inside the mixing kettle, thereby stirring the raw materials in the kettle, and then the inclined plate 12 further stirs and improves the mixing effect.
[0025] After the processing is completed, the discharge pipe 5 at the bottom is opened, and then the inclined rod 14 is driven to rotate synchronously through the rotating shaft 9, so that the scraper 15 will be driven to rotate along the bottom wall of the mixing kettle, and then the polyol adhering to the inner wall of the kettle will be scraped off to assist in the discharge of the polyol. At the same time, the spiral blade 17 will be driven to rotate inside the discharge pipe 5 through the rotating rod 16, thereby driving the viscous polyol to be discharged quickly.
[0026] To sum up, the raw material mixing kettle for the production of polyether polymer polyols will drive the rotating shaft 9 to rotate by starting the servo motor 6, and then drive the inclined rod 14 to rotate synchronously, so it will drive the scraper 15 to rotate along the bottom wall of the mixing kettle, and then scrape off the polyol adhering to the inner wall of the kettle, assisting in the discharge of the polyol, and at the same time, it will drive the spiral blade 17 to rotate inside the discharge pipe 5 through the rotating rod 16, thereby driving the viscous polyol to be discharged quickly, thereby accelerating the discharge efficiency of the viscous polyol.
[0027] In the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," "connected," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.
[0028] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can all be customized according to the description and the drawings.
[0029] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited to them. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention within the technical scope disclosed by the present invention, and they should be covered by the protection scope of the present invention.
Claims
1. A raw material mixing kettle for producing polyether polymer polyols, comprising a mixing kettle body (1), characterized in that: The top of the mixing kettle body (1) is provided with a top cover (2), the bottom of the mixing kettle body (1) is fixedly installed with three supporting legs (3), the top of the top cover (2) is fixedly installed with a feeding pipe (4), the bottom center of the mixing kettle body (1) is fixedly installed with a discharge pipe (5), the top of the top cover (2) is fixedly installed with a servo motor (6), a raw material mixing component (7) is provided inside the mixing kettle body (1), and the raw material mixing component (7) is driven by the servo motor (6) to rotate inside the mixing kettle body (1), the raw material mixing component (7) includes a rotating shaft (9) fixedly installed at the bottom of the servo motor (6), a stirring member similar to that for stirring raw materials is provided on the outer side of the upper half of the rotating shaft (9), a scraping member for scraping off adhered polyol is provided on the outer side of the bottom of the rotating shaft (9), and a discharge rod for assisting discharge is provided at the bottom end of the rotating shaft (9).
2. The raw material mixing kettle for producing polyether polymer polyols according to claim 1, characterized in that: The stirring member comprises a mounting block (10) fixedly mounted on the outside of the rotating shaft (9), a support rod (11) fixedly mounted on the outside of the mounting block (10), and inclined plates (12) fixedly mounted on the upper and lower sides of the support rod (11). By starting the servo motor (6), the rotating shaft (9) is driven to rotate, thereby driving the inclined plates (12) to rotate inside the mixing kettle.
3. The raw material mixing kettle for producing polyether polymer polyols according to claim 2, characterized in that: Three support rods (11) are installed in an array outside the mounting block (10), and the inclined plate (12) is arranged to be inclined at thirty degrees.
4. The raw material mixing kettle for producing polyether polymer polyols according to claim 2, characterized in that: The scraper comprises a fixed block (13) fixedly mounted on the outer side of the bottom of the rotating shaft (9); three inclined rods (14) are fixedly mounted in an array on the outer side of the fixed block (13); a scraper (15) is fixedly mounted on the bottom of the inclined rod (14); and the scraper (15) is arc-shaped and abuts against the bottom wall of the mixing kettle.
5. The raw material mixing kettle for producing polyether polymer polyols according to claim 1, characterized in that: The discharge rod comprises a rotating rod (16) fixedly mounted on the bottom end of the rotating shaft (9), a spiral piece (17) is fixedly mounted on the outer side of the rotating rod (16), and the spiral piece (17) is rotatably connected in the discharge pipe (5).
6. The raw material mixing kettle for producing polyether polymer polyol according to any one of claims 1 to 5, characterized in that: A spiral heating tube (8) is provided in the wall of the mixing kettle body (1), and the spiral heating tube (8) surrounds the mixing kettle body (1) in a spiral shape.