Polyformaldehyde rectification heating equipment

By introducing a scraper ring and scraper structure into the polyoxymethylene distillation equipment, combined with a push block and a hemispherical groove, the problem of residual liquid in the tank is solved, more efficient stirring and heating effects are achieved, and the reaction rate is increased.

CN223404447UActive Publication Date: 2025-10-03WUXI XIYUAN ENG & TECH CO LTD
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Patent Information

Application Number
CN202422819967.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-19
Publication Date
2025-10-03
Estimated Expiration
2034-11-19

AI Technical Summary

Technical Problem

Existing polyoxymethylene distillation equipment has residual liquid in the tank after use, which affects the reaction rate.

Method used

A heating device including a scraper ring and a scraper was designed. The stirring rod was driven to rotate by a connecting shaft. The scraper ring and the scraper worked together to clean the inner wall and liquid of the tank. The push block and the hemispherical groove were combined to perform turbulent stirring to improve the reaction efficiency.

Benefits of technology

It effectively cleans the residual liquid in the tank and improves the reaction rate and use effect of the heating equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses polyformaldehyde rectification heating equipment, which comprises a base and a tank body arranged at the top of the base, a cover plate is arranged at the top of the tank body, a motor is fixedly connected to the top of the cover plate, a connecting shaft is rotatably connected to the central position in the tank body, a heating assembly for heating is arranged on the outer side of the connecting shaft, and the motor is fixedly connected to the connecting shaft. A plurality of stirring rods which are evenly and symmetrically distributed are fixedly connected to the outer side of the connecting shaft, scraping rings are slidably connected to the outer sides of the stirring rods, connecting plates are fixedly connected between the scraping rings, and an oval sliding groove is formed in the inner wall of the bottom of the tank body; the bottom end of the lowermost connecting plate is fixedly connected with a sliding block moving along the oval sliding groove. According to the heating equipment, liquid can be prevented from being remained in the tank body, the heating equipment can fully react next time conveniently, the use effect of the heating equipment is improved, the stirred liquid can be disturbed, the stirring effect on the liquid is improved, and the reaction rate of the heating equipment is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of distillation heating, in particular to polyoxymethylene distillation heating equipment. Background Art

[0002] Polyoxymethylene is a highly crystalline polymer with metal-like hardness and strength. It is a thermoplastic crystalline polymer, and polyoxymethylene needs to be distilled during the processing process.

[0003] A search revealed a Chinese patent with publication number CN218944400U, which discloses a trioxymethylene distillation apparatus comprising a reboiler, a lower tank, a rotating tank, an upper tank, a baffle, and a condenser. This apparatus facilitates easy cleaning of the distillation column. However, it still suffers from a drawback: residual liquid remains in the tank after use, hindering a full reaction and thus affecting the reaction rate. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a polyoxymethylene distillation heating device.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A polyformaldehyde distillation heating device comprises a base and a tank body mounted on the top of the base, the top of the tank body is provided with a cover plate, the top of the cover plate is fixedly connected to a motor, a connecting shaft is rotatably connected to a central position in the tank body, a heating component for heating is provided on the outside of the connecting shaft, a plurality of evenly and symmetrically distributed stirring rods are fixedly connected to the outside of the connecting shaft, a scraping ring is slidably connected to the outside of the stirring rods, a connecting plate is fixedly connected between the plurality of scraping rings, an elliptical groove is provided on the bottom inner wall of the tank body, a slider that moves along the elliptical groove is fixedly connected to the bottom end of the connecting plate located at the bottom, a plurality of evenly and symmetrically distributed support rods are fixedly connected to the outside of the connecting shaft, and a scraper for scraping the inner wall of the tank body is fixedly connected to one end of the adjacent plurality of support rods.

[0007] As a further solution of the present invention, the heating assembly includes two connecting rods, which are fixedly connected to the outside of the connecting shaft near the bottom. The two connecting rods are symmetrically distributed, and one end of the two connecting rods is fixedly connected to a heating rod.

[0008] As a further solution of the present invention, a limiting ring for resisting the scraper ring is fixedly connected to the outer side of the stirring rod at the end position.

[0009] As a further solution of the present invention, one side of the connecting plate is fixedly connected to a support bar, one end of the support bar is fixedly connected to a push block, and one side of the push block is provided with a hemispherical groove.

[0010] As a further solution of the present invention, the top of the cover is fixedly connected with a feed pipe connected to the interior of the tank body, and one side of the tank body is fixedly connected with a liquid outlet pipe at the bottom, and a solenoid valve is provided on the outside of the liquid outlet pipe.

[0011] As a further solution of the present invention, a discharge pipe communicating with the interior of the tank body is fixedly connected to the top of the cover plate, and a valve is provided on the outside of the discharge pipe.

[0012] As a further solution of the present invention, support legs are fixedly connected to the four corners of the bottom of the base.

[0013] The beneficial effects of the utility model are:

[0014] 1. Through the coordinated use of the scraper ring and the scraper, the scraper ring will move back and forth along the stirring rod during the rotation of the connecting shaft, so that the scraper ring will scrape and clean the liquid on the stirring rod, and at the same time the scraper will scrape and clean the liquid on the inner wall of the tank, thereby avoiding residual liquid in the tank, facilitating the heating equipment to fully react next time, and improving the use effect of the heating equipment.

[0015] 2. Through the coordinated use of the push block and the hemispherical groove, the scraper ring will drive the connecting plate to move during the reciprocating movement, and the connecting plate will drive the push block to move through the support bar. During the movement, the push block will disturb the stirred liquid through the hemispherical groove, thereby improving the stirring effect of the liquid and increasing the reaction rate of the heating equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front side three-dimensional structure of a polyoxymethylene distillation and heating device proposed by the present invention;

[0017] Figure 2 This is a partial cross-sectional structural diagram of a polyoxymethylene distillation and heating device proposed in the present invention;

[0018] Figure 3 This is a schematic diagram of the enlarged structure of part A of the polyformaldehyde distillation and heating equipment proposed by the present invention.

[0019] In the figure: 1. Motor; 2. Discharge pipe; 3. Valve; 4. Support foot; 5. Base; 6. Tank body; 7. Feed pipe; 8. Scraper; 9. Stirring rod; 10. Push block; 11. Connecting shaft; 12. Limiting ring; 13. Scraper ring; 14. Connecting plate; 15. Support rod; 16. Heating rod; 17. Connecting rod; 18. Slider; 19. Elliptical slide; 20. Hemispherical groove. DETAILED DESCRIPTION

[0020] It should be noted that the terms "first", "second", etc. in the description and claims of this application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence, so that the embodiments of this application described here, based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work should fall within the scope of protection of this application.

[0021] Reference Figure 1-Figure 3 The top of the tank body 6 is provided with a cover plate, and the top of the cover plate is fixed with a motor 1 by bolts. A connecting shaft 11 is rotatably connected to the center of the tank body 6. A heating component for heating is provided on the outside of the connecting shaft 11. A plurality of evenly and symmetrically distributed stirring rods 9 are fixed to the outside of the connecting shaft 11 by bolts. A scraper ring 13 is slidably connected to the outside of the stirring rod 9. A connecting plate 14 is welded between the plurality of scraper rings 13. An elliptical groove 19 is provided on the inner wall of the bottom of the tank body 6. A slider 18 is welded on the bottom end of the lowest connecting plate 14 for moving along the elliptical groove 19. A plurality of evenly and symmetrically distributed support rods 15 are fixed to the outside of the connecting shaft 11 by bolts. A scraper 8 for scraping the inner wall of the tank body 6 is fixed at one end by bolts. When the motor 1 is started, the motor 1 will When the stirring rod 9 is rotated, the connecting shaft 11 drives the stirring rod 9 to rotate, thereby causing the stirring rod 9 to stir the polyformaldehyde in the tank body 6, and at the same time, the heating component heats and distills the polyformaldehyde, so that the polyformaldehyde is evenly heated. When the heating of the polyformaldehyde is completed, the stirring rod 9 will rotate through the scraper ring 13 to drive the connecting plate 14 to rotate. The connecting plate 14 will cause the slider 18 to move along the elliptical slide groove 19 during the rotation, so that the scraper ring 13 can reciprocate on the stirring rod 9. The reciprocating movement of the scraper ring 13 on the stirring rod 9 will scrape and clean the liquid on the stirring rod 9. At the same time, the connecting shaft 11 will drive the scraper 8 to rotate through the support rod 15, so that the scraper 8 can scrape and clean the liquid on the inner wall of the tank body 6, thereby avoiding residual liquid in the tank body 6, facilitating the full reaction of the heating equipment next time, and improving the use effect of the heating equipment.

[0022] In the present invention, the heating assembly includes two connecting rods 17, which are fixed to the outer side of the connecting shaft 11 near the bottom by bolts. The two connecting rods 17 are symmetrically distributed, and one end of the two connecting rods 17 is fixed with a heating rod 16 by bolts. When the heating rod 16 is started, the heating rod 16 heats the polyformaldehyde. At the same time, the connecting shaft 11 drives the heating rod 16 to rotate through the connecting rod 17, so that the heating rod 16 can better heat the polyformaldehyde. The outer side of the stirring rod 9 is fixed with a limiting ring 12 at the end thereof by bolts for resisting the scraping ring 13. The limiting ring 12 resists the scraping ring 13, thereby preventing the scraping ring 13 from detaching from the stirring rod 9.

[0023] In particular, a support bar is fixed to one side of the connecting plate 14 by bolts, and a push block 10 is welded to one end of the support bar. A hemispherical groove 20 is provided on one side of the push block 10. The scraper ring 13 will drive the connecting plate 14 to move back and forth during the movement, and the connecting plate 14 will drive the support bar to move, and the support bar will drive the push block 10 to move. The push block 10 will disturb the polyformaldehyde through the hemispherical groove 20 during the movement, so that the polyformaldehyde is stirred more evenly. The top of the cover plate is fixed with a feed pipe 7 connected to the interior of the tank body 6 by bolts, and a liquid outlet pipe is welded to the bottom of one side of the tank body 6, and an electromagnetic valve is provided on the outside of the liquid outlet pipe. The top of the cover plate is fixed with a discharge pipe 2 connected to the interior of the tank body 6 by bolts, and a valve 3 is provided on the outside of the discharge pipe 2. The bottom of the base 5 is fixed with support feet 4 at the four corners by bolts.

[0024] Working principle: When it is needed, start the motor 1, the motor 1 will drive the connecting shaft 11 to rotate, the connecting shaft 11 will drive the stirring rod 9 to rotate, so that the stirring rod 9 stirs the polyformaldehyde in the tank 6, and at the same time start the heating rod 16, so that the heating rod 16 heats and distills the polyformaldehyde, so that the polyformaldehyde is evenly heated. During the rotation of the stirring rod 9, the stirring rod 9 will drive the connecting plate 14 to rotate through the scraper ring 13. During the rotation of the connecting plate 14, the slider 18 will move along the elliptical groove 19, so that the scraper ring 13 will reciprocate on the stirring rod 9, and the scraper ring 13 will drive the connecting plate 14 to rotate. The reciprocating movement will drive the connecting plate 14 to move the supporting bar, and the supporting bar will drive the pushing block 10 to move. The pushing block 10 will disturb the polyformaldehyde through the hemispherical groove 20 during the movement, so that the polyformaldehyde can be stirred more evenly. When the heating of the polyformaldehyde is completed, the scraper ring 13 will move back and forth on the stirring rod 9 to scrape and clean the liquid on the stirring rod 9. At the same time, the connecting shaft 11 will drive the scraper 8 to rotate through the support rod 15, so that the scraper 8 can scrape and clean the liquid on the inner wall of the tank body 6, thereby avoiding residual liquid in the tank body 6, facilitating the full reaction of the heating equipment next time, and improving the use effect of the heating equipment.

[0025] The present invention has been described through the above embodiments. Those skilled in the art will understand that the present invention is not limited to the above embodiments, and more modifications can be made according to the teachings of the present invention. These modifications all fall within the scope of protection required by the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A polyoxymethylene distillation heating device, comprising a base (5) and a tank body (6) mounted on the top of the base (5), wherein the top of the tank body (6) is provided with a cover plate, characterized in that: The top of the cover plate is fixedly connected to a motor (1), a connecting shaft (11) is rotatably connected to a position located in the center of the tank body (6), a heating component for heating is provided on the outside of the connecting shaft (11), a plurality of stirring rods (9) that are evenly and symmetrically distributed are fixedly connected to the outside of the connecting shaft (11), a scraper ring (13) is slidably connected to the outside of the stirring rod (9), a connecting plate (14) is fixedly connected between the plurality of scraper rings (13), an elliptical groove (19) is provided on the bottom inner wall of the tank body (6), a slider (18) that moves along the elliptical groove (19) is fixedly connected to the bottom end of the connecting plate (14) located at the bottom, and a plurality of support rods (15) that are evenly and symmetrically distributed are fixedly connected to the outside of the connecting shaft (11), and a scraper (8) for scraping the inner wall of the tank body (6) is fixedly connected to one end of the plurality of adjacent support rods (15).

2. The polyoxymethylene distillation and heating equipment according to claim 1, characterized in that: The heating assembly comprises two connecting rods (17), the two connecting rods (17) are fixedly connected to the outside of the connecting shaft (11) near the bottom, the two connecting rods (17) are symmetrically distributed, and one end of the two connecting rods (17) is fixedly connected to a heating rod (16).

3. The polyoxymethylene distillation and heating equipment according to claim 1, characterized in that: A limiting ring (12) for resisting the scraping ring (13) is fixedly connected to the outer side of the stirring rod (9) at the end position.

4. The polyoxymethylene distillation and heating equipment according to claim 1, characterized in that: One side of the connecting plate (14) is fixedly connected to a support bar, one end of the support bar is fixedly connected to a push block (10), and one side of the push block (10) is provided with a hemispherical groove (20).

5. The polyoxymethylene distillation and heating equipment according to claim 1, characterized in that: A feed pipe (7) communicating with the interior of the tank body (6) is fixedly connected to the top of the cover plate, and a liquid outlet pipe is fixedly connected to the bottom of one side of the tank body (6), and a solenoid valve is provided on the outside of the liquid outlet pipe.

6. The polyoxymethylene distillation and heating equipment according to claim 5, characterized in that: A discharge pipe (2) communicating with the interior of the tank body (6) is fixedly connected to the top of the cover plate, and a valve (3) is provided on the outside of the discharge pipe (2).

7. The polyoxymethylene distillation and heating equipment according to claim 6, characterized in that: The bottom of the base (5) is fixedly connected to supporting feet (4) at the four corners.

Citation Information

Patent Citations

  • Trioxymethylene rectification equipment

    CN218944400U