THF rectification device for PBT production
By introducing rotating and clamping components into the THF distillation unit, the problem of scaling of distillation residues was solved, automated cleaning was achieved, and efficiency and safety were improved.
Patent Information
- Application Number
- CN202520159204.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-01-23
AI Technical Summary
Existing distillation units require cleaning of internal residues after operation. High-boiling-point and high-viscosity substances may form scale on the equipment surface, affecting distillation purity and efficiency, and the cleaning process requires a lot of manpower.
A THF distillation apparatus including a rotating component and a clamping component was designed. The rotating column and cleaning brush are automatically cleaned by a servo motor. The clamping component improves the stability and safety of the apparatus and reduces manual intervention.
The automated cleaning process improves the efficiency of the distillation unit, reduces manpower input, and enhances the stability and safety of the unit.
Smart Images
Figure CN223945006U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rectification technical field, concretely is a kind of THF rectification device for PBT production. BACKGROUND
[0002] Rectification is a kind of chemical unit operation using the difference of volatility (boiling point) of each component in mixture, realizes high-purity separation by multiple partial vaporization and partial condensation.Simply speaking, it is heated into steam by liquid mixture, then steam is cooled into liquid, and different boiling point components are separated after multiple processes.
[0003] The existing rectification device is mostly large in size and fixed in one place to operate, but after operation, interior needs to be cleaned to avoid the influence of internal rectification residue on rectification purity, and meanwhile, some high-boiling point, high-viscosity substances in rectification residue can scale on equipment surface, and in rectification column, these residual substances can adhere to tray or packing, for example, in petroleum rectification process, if asphaltene and other residual components accumulate too much, the small holes of tray or the interstices of packing can be blocked, gas-liquid contact efficiency is reduced, and rectification effect is influenced, thus a THF rectification device for PBT production is needed. SUMMARY
[0004] The utility model discloses a purpose at providing a kind of THF rectification device for PBT production, to solve the problem that the inside needs to be cleaned after operation is completed to avoid the influence of internal rectification residue on rectification purity, simultaneously, some high-boiling, high-viscosity substances in rectification residue can be fouling on equipment surface, in rectification tower, these residual substances can be attached to the problem of tray or filler. To achieve the above object, the utility model provides the following technical scheme: a kind of THF rectification device for PBT production, including support base, the top of the support base is movably connected with rectification tank, the top of the rectification tank is movably connected with circular cover plate, the side of the circular cover plate is provided with rotating assembly, the rotating assembly includes servo motor, the servo motor is fixedly connected on the side of circular cover plate, the transmission end of the servo motor is fixedly connected with rotating column, the side surface of the rotating column is fixedly connected with rotating rod, the other end of the rotating rod is fixedly connected with fixed block, the other side of the fixed block is fixedly connected with connecting plate, the other side of the connecting plate is fixedly connected with cleaning brush one, the side of the rotating rod is equipped with limit slot, the inner wall of the limit slot is slidably connected with sliding block, the side of the sliding block is fixedly connected with cleaning brush two, the setting of rotating assembly, after the use of rectification tank is finished, after the circular cover plate is covered, start servo motor to make it drive rotating column to rotate, then drive rotating rod to rotate, the cleaning brush one of front end follows rotation, then under the rotation, due to the effect of centrifugal force, cleaning brush two moves in limit slot to cleaning brush one, increases cleaning area, effectively cleans rectification tank to avoid the influence of internal residual material on next rectification, improves overall work efficiency, reduces the input of manpower, with practicality.
[0005] Further preferably, the top of the rectification tank is provided with a fitting groove, the bottom of the circular cover plate is fixedly connected with a protrusion, and the protrusion is matched with the fitting groove.
[0006] Further preferably, the top of the support base is fixedly connected with a clamping assembly, the clamping assembly includes an extension plate, the extension plate is fixedly connected to the top of the support base, a fixing hole is formed in one side of the extension plate, a fixing bolt is movably connected to the inner wall of the fixing hole, an electric push rod is fixedly connected to one side of the extension plate, an auxiliary rod is movably connected inside the extension plate, an arc-shaped clamping plate is fixedly connected to the other end of the electric push rod, an anti-slip pad is fixedly connected to one side of the arc-shaped clamping plate, the setting of the clamping assembly, after adjusting the height of the extension plate, start the electric push rod to push the arc-shaped clamping plate to clamp forward, the anti-slip pad on one side of the arc-shaped clamping plate prevents unstable clamping from shaking, the auxiliary rod better maintains balance, effectively cooperates with the use of the rotating assembly to avoid the tilting of the rectification tank, improves the overall stability, and is more safe and convenient.
[0007] Further preferably, a control box is fixedly connected to the top of the support base, and a control button is fixedly connected to the top of the control box.
[0008] Further preferably, a support leg is fixedly connected to the bottom of the support base, and a protective pad is fixedly connected to the bottom of the support leg.
[0009] Compared with the prior art, the present application has the following beneficial effects:
[0010] In the present application, the rotation assembly is used to rotate the rotating column after the rectification tank is used and the circular cover plate is covered, and then the rotating rod is rotated, the front-end cleaning brush is rotated, and the second cleaning brush is moved in the limiting groove to increase the cleaning area under the centrifugal force, so that the rectification tank is effectively cleaned to avoid the influence of the residual material on the next rectification, the overall work efficiency is improved, the labor input is reduced, and the practicality is achieved.
[0011] In the present application, the clamping assembly is used to adjust the height of the telescopic plate, and then the electric push rod is started to push the arc-shaped clamping plate forward for clamping, the anti-skid pad on one side of the arc-shaped clamping plate prevents shaking caused by unstable clamping, and the auxiliary rod better maintains the balance, effectively cooperates with the use of the rotation assembly to avoid the overturning of the rectification tank, improves the overall stability, and is more safe and convenient. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 is a three-dimensional structure schematic diagram of the present application Figure 1 ;
[0013] Figure 2 is a rotation assembly structure schematic diagram of the present application
[0014] Figure 3 is a three-dimensional structure schematic diagram of the present application Figure 2 ;
[0015] Figure 4 is a clamping assembly structure schematic diagram of the present application
[0016] Figure 5 is a three-dimensional structure schematic diagram of the present application Figure 3 .
[0017] In the figure: 1, support base; 2, rectification box; 3, round cover plate; 4, rotating assembly; 5, embedded groove; 6, protruding block; 7, clamping assembly; 8, control box; 9, control button; 10, supporting leg; 11, protective pad; 401, servo motor; 402, rotating column; 403, rotating rod; 404, fixed block; 405, connecting plate; 406, cleaning brush one; 407, limiting groove; 408, sliding block; 409, cleaning brush two; 701, telescopic plate; 702, fixing hole; 703, fixing bolt; 704, electric push rod; 705, auxiliary rod; 706, arc-shaped clamping plate; 707, anti-skid pad. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in the art without creative labor fall within the scope of protection of the utility model.
[0019] Please refer to Figure 1 Figure 5 The utility model provides a kind of technical scheme: a kind of THF rectification device for PBT production, including support base 1, the top of support base 1 is movably connected with rectification box 2, the top of rectification box 2 is movably connected with round cover plate 3, one side of round cover plate 3 is provided with rotating assembly 4, rotating assembly 4 includes servo motor 401, servo motor 401 is fixedly connected on one side of round cover plate 3, the transmission end of servo motor 401 is fixedly connected with rotating column 402, the side surface of rotating column 402 is fixedly connected with rotating rod 403, the other end of rotating rod 403 is fixedly connected with fixed block 404, the other side of fixed block 404 is fixedly connected with connecting plate 405, the other side of connecting plate 405 is fixedly connected with cleaning brush one 406, one side of rotating rod 403 is provided with limiting groove 407, the inner wall of limiting groove 407 is slidably connected with sliding block 408, one side of sliding block 408 is fixedly connected with cleaning brush two 409, after the use of rectification box 2, after round cover plate 3 is covered, servo motor 401 is started to make it drive rotating column 402 to rotate, then drive rotating rod 403 to rotate, front end cleaning brush one 406 follows rotation, then under the rotation, due to the action of centrifugal force, cleaning brush two 409 moves in limiting groove 407 to cleaning brush one 406, and cleaning area is increased.
[0020] In the embodiment, as shown in Figure 1 Figure 3 and Figure 5 , the top of rectification box 2 is provided with embedded groove 5, the bottom of round cover plate 3 is fixedly connected with protruding block 6, and protruding block 6 is matched with embedded groove 5.
[0021] In this embodiment, as shown in Figure 1 , Figure 3 and Figure 4 , the top of the support base 1 is fixedly connected with the clamping assembly 7, the clamping assembly 7 comprises a telescopic plate 701, the telescopic plate 701 is fixedly connected at the top of the support base 1, a fixed hole 702 is formed in one side of the telescopic plate 701, a fixed bolt 703 is movably connected with the inner wall of the fixed hole 702, an electric push rod 704 is fixedly connected with one side of the telescopic plate 701, an auxiliary rod 705 is movably connected inside the telescopic plate 701, an arc-shaped clamping plate 706 is fixedly connected with the other end of the electric push rod 704, an anti-skid pad 707 is fixedly connected with one side of the arc-shaped clamping plate 706, after adjusting the height of the telescopic plate 701, the electric push rod 704 is started to push the arc-shaped clamping plate 706 to clamping forward, the anti-skid pad 707 on one side of the arc-shaped clamping plate 706 prevents shaking caused by unstable clamping, and the auxiliary rod 705 better balances the arc-shaped clamping plate 706.
[0022] In this embodiment, as shown in Figure 1 , Figure 3 and Figure 5 , the top of the support base 1 is fixedly connected with the control box 8, and the control button 9 is fixedly connected with the top of the control box 8.
[0023] In this embodiment, as shown in Figure 1 , Figure 3 and Figure 5 , the bottom of the support base 1 is fixedly connected with the support leg 10, and the protective pad 11 is fixedly connected with the bottom of the support leg 10.
[0024] The use method and advantages of the THF rectification device for PBT production are as follows:
[0025] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , the starting of the electric connection control device of the control box 8 is realized by starting the servo motor 401 to drive the rotating column 402 to rotate after the round cover plate 3 is covered after the rectification tank 2 is used, then the rotating rod 403 is driven to rotate, the front end cleaning brush one 406 is followed to rotate, then under the rotation, the cleaning brush two 409 moves in the limiting groove 407 to increase the cleaning area, the height of the telescopic plate 701 is adjusted, then the electric push rod 704 is started to push the arc-shaped clamping plate 706 to clamping forward, the anti-skid pad 707 on one side of the arc-shaped clamping plate 706 prevents shaking caused by unstable clamping, and the auxiliary rod 705 better balances the arc-shaped clamping plate 706.
[0026] The basic principle, main features and advantages of the present application are shown and described above. The technical personnel in the industry should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A THF rectification device for PBT production, comprising a supporting base (1), characterized in that: The top of the support base (1) is movably connected with a rectifying tank (2), the top of the rectifying tank (2) is movably connected with a circular cover plate (3), one side of the circular cover plate (3) is provided with a rotating assembly (4), the rotating assembly (4) comprises a servo motor (401), the servo motor (401) is fixedly connected on one side of the circular cover plate (3), the transmission end of the servo motor (401) is fixedly connected with a rotating column (402), the side surface of the rotating column (402) is fixedly connected with a rotating rod (403), the other end of the rotating rod (403) is fixedly connected with a fixed block (404), the other side of the fixed block (404) is fixedly connected with a connecting plate (405), the other side of the connecting plate (405) is fixedly connected with a cleaning brush (406), one side of the rotating rod (403) is provided with a limiting groove (407), the inner wall of the limiting groove (407) is slidably connected with a sliding block (408), one side of the sliding block (408) is fixedly connected with a cleaning brush (409). 2.The THF rectification device for PBT production according to claim 1, characterized in that: The top of the rectifying tank (2) is provided with a fitting groove (5), the bottom of the circular cover plate (3) is fixedly connected with a protrusion (6), the protrusion (6) is matched with the fitting groove (5). 3.The THF rectification device for PBT production of claim 1, characterized in that: The top of the support base (1) is fixedly connected with a clamping assembly (7), the clamping assembly (7) comprises an expansion plate (701), the expansion plate (701) is fixedly connected on the top of the support base (1), one side of the expansion plate (701) is provided with a fixed hole (702), the inner wall of the fixed hole (702) is movably connected with a fixed bolt (703).
4. The THF rectification device for PBT production according to claim 3, characterized in that: One side of the expansion plate (701) is fixedly connected with an electric push rod (704), the inside of the expansion plate (701) is movably connected with an auxiliary rod (705), the other end of the electric push rod (704) is fixedly connected with an arc-shaped clamping plate (706), one side of the arc-shaped clamping plate (706) is fixedly connected with an anti-skid pad (707).
5. The THF rectification device for PBT production according to claim 1, characterized in that: The top of the support base (1) is fixedly connected with a control box (8), the top of the control box (8) is fixedly connected with a control button (9). 6.The THF rectification device for PBT production of claim 1, characterized in that: The bottom of the support base (1) is fixedly connected with a supporting leg (10), the bottom of the supporting leg (10) is fixedly connected with a protective pad (11).