Treatment equipment based on polytetrahydrofuran polymerization catalyst
By installing a heat exchanger and a wall scraping assembly on the recovery bottle, combined with a removable filter and a rotating assembly, the problems of low recovery rate and low filtration efficiency of polytetrahydrofuran solution are solved, achieving efficient tetrahydrofuran recovery and preventing liquid spillage.
Patent Information
- Application Number
- CN202520327888.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-27
AI Technical Summary
In existing technologies, polytetrahydrofuran solution recovery rate is low and filtration efficiency is not high. Shaking the cooling container can easily cause liquid to spill, and the filter screen is prone to clogging.
The design incorporates a recovery bottle with a heat exchanger and a wall scraper assembly. The filter box features a removable filter screen and rotating components, including a stirring plate and a scraper, to prevent liquid adhesion and filter clogging.
It improves the recovery rate of tetrahydrofuran, avoids liquid spillage, enhances filtration efficiency, and prevents filter clogging.
Smart Images

Figure CN223669211U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to chemical equipment technical field, concretely is the processing equipment based on polytetrahydrofuran polymerization catalyst. BACKGROUND
[0002] Polytetrahydrofuran is the polymer generated by tetrahydrofuran ring-opening polymerization, which is obtained by the cationic polymerization of tetrahydrofuran. Polytetrahydrofuran can be used as a raw material for preparing adhesives, coatings, sealants and other chemicals, and has wide application in the fields of construction, automobiles, electronics, etc. The processing equipment based on polytetrahydrofuran polymerization catalyst mainly relates to the production of polytetrahydrofuran and the treatment of its waste liquid, etc.
[0003] Referring to the patent application with the publication number CN221752523U, a kind of polytetrahydrofuran production waste liquid recovery equipment is disclosed, which relates to waste liquid treatment technical field.The utility model discloses a box, the box front surface is rotatably connected with box door, the box door front surface is fixedly connected with handle, the box top is fixedly connected with top cover, the top cover top is equipped with water inlet, the water inlet top is fixedly connected with water inlet pipe.The utility model is through the setting filter funnel, specifically is through the starting of motor one makes agitator one and agitator two synchronous movement, the tetrahydrofuran solution that needs to be filtered is uniformly stirred, at the same time, due to the setting of several activated carbon filter rods, the impurities in the stirred tetrahydrofuran solution are adsorbed on the activated carbon filter rods to complete the first filtration, and the solution filtered once is slowly flowed out through the filter funnel to complete the second filtration, so that the solution can separate a large amount of impurities in it during the filtration process, and the solution can be recycled up to standard.
[0004] As shown in the above prior art, in the prior art, to recover the tetrahydrofuran solution based on the polytetrahydrofuran polymerization catalyst, the tetrahydrofuran solution filtered into the cooling container needs to be cooled while being shaken, so that the tetrahydrofuran solution is cooled and powdered. However, shaking the cooling container easily causes the liquid in the container to spill, thereby reducing the recovery rate of tetrahydrofuran. Moreover, the existing processing equipment easily causes the filter screen to be blocked when filtering the tetrahydrofuran solution, affecting the filtration efficiency.
[0005] Therefore, it is necessary to provide a processing equipment based on polytetrahydrofuran polymerization catalyst to solve the above technical problems. SUMMARY
[0006] (I) Technical problem solved
[0007] To solve the above technical problems, the utility model provides a processing equipment based on polytetrahydrofuran polymerization catalyst.
[0008] (II) Technical scheme
[0009] To achieve the above object, the utility model discloses a processing equipment based on polytetrahydrofuran polymerization catalyst, including the base, the base top is fixed with the processing box, the filter box is placed in the processing box, the filter box bottom detachably installs the filter screen, the processing box top installs the cover, the cover is installed on the rotating assembly for stirring the filter box in the processing liquid and the accumulated material on the filter screen is scraped off,
[0010] The base lower side opening is slidably connected with a moving seat, and the moving seat is fixed with a recovery bottle above.
[0011] Preferably, the filter box wall is made of activated carbon, and the filter box outer wall is symmetrically fixed with a handle at the upper end, and the processing box inner wall is provided with a placing groove corresponding to the handle position.
[0012] Preferably, the filter box inner wall is provided with a plurality of sliding grooves at equal intervals, and the filter screen outer wall is fixed with a mounting plate.
[0013] Preferably, the rotating assembly comprises a first motor fixed on the top of the cover, a rotating rod rotatably connected below the cover, and a stirring plate fixed on the outer wall of the rotating rod at equal intervals from top to bottom.
[0014] Preferably, the scraping plate is fixed on the lower end of the rotating rod and abuts against the upper end of the filter screen when the cover is covered on the processing box.
[0015] Preferably, the processing box inner wall bottom is fixed with a support block, and the filter box is placed above the support block.
[0016] (Three) beneficial effects
[0017] The utility model provides a processing equipment based on polytetrahydrofuran polymerization catalyst. Compared with the prior art, the following beneficial effects are achieved:
[0018] 1. The application installs a heat exchanger on the outer wall of the recovery bottle and sets a wall scraping assembly on the recovery bottle, which can effectively prevent the adhesion of tetrahydrofuran in powder form on the inner wall of the recovery bottle when it is converted from liquid, thereby improving the recovery rate of tetrahydrofuran. This design avoids the problem of liquid spilling caused by shaking the cooling container in the traditional method.
[0019] 2. The design of the filter box in the equipment allows for the detachable installation of the filter screen, which is convenient for cleaning and replacement. In addition, by rotating the stirring plate and scraping plate in the assembly, the treatment liquid in the filter box can be stirred and the impurities accumulated on the filter screen can be scraped off, which effectively prevents the filter screen from clogging and improves the filtration efficiency. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0021] Figure 2 This is a schematic diagram showing the relationship between the movable seat and the base of this utility model;
[0022] Figure 3 This is a schematic diagram showing the relationship between the filter screen and the scraper plate of this utility model;
[0023] Figure 4 This is a schematic diagram showing the relationship between the processing box and the support block of this utility model;
[0024] Figure 5 This is a schematic diagram showing the relationship between the groove and the mounting plate of this utility model.
[0025] The following are the labels in the diagram: 1. Base; 2. Processing box; 3. Filter box; 4. Filter screen; 5. Cover; 6. Movable seat; 7. Recycling bottle; 8. Heat exchanger; 9. Lifting handle; 10. Placement slot; 11. Slide groove; 12. Mounting plate; 13. First motor; 14. Rotating rod; 15. Stirring plate; 16. Scraper; 17. Second motor; 18. Rotating shaft; 19. Scraper; 20. Support block. Detailed Implementation
[0026] 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.
[0027] This utility model provides two technical solutions:
[0028] Figures 1 to 5 The first embodiment is shown: a processing device based on a polytetrahydrofuran polymerization catalyst, including a base 1, a processing box 2 fixed above the base 1, a filter box 3 placed inside the processing box 2, a support block 20 fixed to the bottom of the inner wall of the processing box 2, the filter box 3 placed above the support block 20, a filter screen 4 detachably installed at the bottom of the filter box 3, a cover 5 installed on the top of the processing box 2, and a rotating component installed on the cover 5 for stirring the processing liquid in the filter box 3 and scraping the accumulated material on the filter screen 4;
[0029] The base 1 is opened on one side below, the base 1 opening side is slidably connected with the moving seat 6, the moving seat 6 is fixed with the recovery bottle 7 above, the recovery bottle 7 outer wall is installed with the heat exchanger 8, the recovery bottle 7 bottom is installed with the wall scraping assembly, the wall scraping assembly is used for preventing the solidified powder-shaped tetrahydrofuran from adhering to the recovery bottle 7 inner wall.
[0030] The filter box 3 wall is made of activated carbon, the filter box 3 outer wall is symmetrically fixed with the handle 9 on the upper end, the handle 9 is slidably connected with the placing groove 10 in the processing box 2 inner wall corresponding to the handle 9 position.
[0031] The filter box 3 inner wall is equidistantly provided with a plurality of sliding grooves 11, the filter screen 4 outer wall is fixed with the mounting plate 12, and the mounting plate 12 is slidably connected with the sliding groove 11 inner wall.
[0032] The rotating assembly includes the first motor 13 fixed on the cover body 5 top, the cover body 5 is rotatably connected with the rotating rod 14 below, the rotating rod 14 upper end penetrates through the cover body 5 and is fixed with the first motor 13 output end, the rotating rod 14 outer wall is equidistantly fixed with the stirring plate 15 from top to bottom, and the rotating rod 14 lower end is fixed with the scraping plate 16, and when the cover body 5 covers on the processing box 2, the scraping plate 16 lower end is abutted with the filter screen 4 upper end.
[0033] The design of the filter box 3 in the equipment allows the filter screen 4 to be detachably installed, which is convenient for cleaning and replacement. In addition, through the stirring plate 15 and the scraping plate 16 in the rotating assembly, the treatment liquid in the filter box 3 can be stirred and the impurities accumulated on the filter screen 4 can be scraped off, effectively preventing the filter screen 4 from being blocked and improving the filtering efficiency.
[0034] Figures 1 to 2 The second embodiment is shown, and the main difference from the first embodiment is that the wall scraping assembly includes the second motor 17 fixed above the moving seat 6, the rotating shaft 18 is rotatably connected with the recovery bottle 7 inner wall, the rotating shaft 18 outer wall is symmetrically fixed with the scraper 19, the scraper 19 is abutted with the recovery bottle 7 inner wall and bottom, and the rotating shaft 18 lower end penetrates through the recovery bottle 7 and is fixed with the second motor 17 output end.
[0035] The application can effectively prevent the tetrahydrofuran from adhering to the inner wall of the recovery bottle 7 when it is converted from liquid to powder by installing the heat exchanger 8 on the outer wall of the recovery bottle 7 and setting the wall scraping assembly on the recovery bottle 7, thereby improving the recovery rate of tetrahydrofuran. This design avoids the problem of liquid spilling caused by shaking the cooling container in the traditional method.
[0036] Working principle:
[0037] The filter screen 4 is slidably connected with the sliding groove 11 in the filter box 3 inner wall through the mounting plate 12, realizing the detachable installation of the filter screen 4. This design is convenient for users to replace or clean the filter screen 4 according to actual needs, ensuring the filtering effect.
[0038] Put filter box 3 on the support block 20 inside the processing box 2, at this time the handle 9 is put into the position corresponding to the slot 10, cover the cover 5 on the processing box 2; When using, the four hydrogen furan solution to be treated is put into the filter box 3, the impurities and particles in the solution are removed by the filtering effect of the filter screen 4, the first motor 13 is started, the rotating rod 14 and the stirring plate 15 are rotated to stir the treatment liquid in the filter box 3, and the uniform distribution of the solution is ensured. Since the wall of the filter box 3 is made of activated carbon, the activated carbon also plays an adsorption role on the impurities in the solution while stirring the solution. When the first motor 13 rotates the rotating rod 14, the scraper plate 16 also rotates to scrape off the blockage on the filter screen 4, preventing the filter screen 4 from being blocked.
[0039] The filtered solution passes through the filter screen 4 into the inside of the processing box 2, and then enters the recovery bottle 7 through the discharge port at the bottom of the processing box 2. The heat exchanger 8 on the recovery bottle 7 cools the liquid in the bottle to make the four hydrogen furan solution in the bottle solidify into powder; the second motor 17 rotates the rotating shaft 18, and the scraper plate 19 scrapes off the four hydrogen furan solidified into powder adhering to the inner wall of the recovery bottle 7 to improve the recovery rate; the four hydrogen furan in the recovery bottle 7 can be recovered by moving the moving seat 6 out of the base 1.
[0040] Periodically replace the filter box 3 and clean the filter screen 4.
[0041] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.
[0042] It should be noted that, in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.
[0043] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A treatment plant based on polytetrahydrofuran polymerization catalysts, comprising a base (1), characterized by: The base (1) is fixed with a processing box (2), the processing box (2) is placed with a filter box (3), the filter box (3) is detachably installed with a filter screen (4), the processing box (2) is installed with a cover (5), the cover (5) is installed with a rotating assembly for stirring the processing liquid in the filter box (3) and scraping the accumulated material on the filter screen (4). The base (1) is opened on one side, the base (1) is slidably connected with a moving seat (6), the moving seat (6) is fixed with a recovery bottle (7), the recovery bottle (7) is installed with a heat exchanger (8), the recovery bottle (7) is installed with a wall scraping assembly, the wall scraping assembly is used to prevent the solidified powder of tetrahydrofuran from adhering to the inner wall of the recovery bottle (7).
2. The polytetrahydrofuran polymerization catalyst-based treatment apparatus according to claim 1, characterized by: The box wall of the filter box (3) is made of activated carbon, the outer wall of the filter box (3) is symmetrically fixed with a handle (9), the inner wall of the processing box (2) is provided with a placing groove (10) corresponding to the position of the handle (9), and the handle (9) is slidably connected with the inner wall of the placing groove (10).
3. The polytetrahydrofuran polymerization catalyst-based treatment apparatus according to claim 2, characterized by: The inner wall of the filter box (3) is provided with a plurality of sliding grooves (11) at equal intervals, the outer wall of the filter screen (4) is fixed with a mounting plate (12), and the mounting plate (12) is slidably connected with the inner wall of the sliding groove (11).
4. The polytetrahydrofuran polymerization catalyst-based treatment apparatus according to claim 3, characterized by: The rotating assembly comprises a first motor (13) fixed on the top of the cover (5), a rotating rod (14) rotatably connected below the cover (5), the rotating rod (14) is fixed with a stirring plate (15) at equal intervals from top to bottom, and the lower end of the rotating rod (14) is fixed with a scraping plate (16), when the cover (5) is covered on the processing box (2), the lower end of the scraping plate (16) abuts with the upper end of the filter screen (4).
5. The polytetrahydrofuran polymerization catalyst-based treatment apparatus according to claim 1, characterized by: The wall scraping assembly comprises a second motor (17) fixed above the moving seat (6), a rotating shaft (18) rotatably connected in the inner wall of the recovery bottle (7), the outer wall of the rotating shaft (18) is symmetrically fixed with a scraper (19), the scraper (19) abuts with the inner wall and the bottom of the recovery bottle (7), and the lower end of the rotating shaft (18) penetrates through the recovery bottle (7) and is fixed with the output end of the second motor (17).
6. The polytetrahydrofuran polymerization catalyst-based treatment apparatus according to claim 2, characterized by: The inner wall of the processing box (2) is fixed with a support block (20), and the filter box (3) is placed above the support block (20).
Citation Information
Patent Citations
Polytetrahydrofuran production waste liquid recovery equipment
CN221752523U