Reaction kettle for preparing glycolic acid
By introducing long grooves, push plates, pull pin rods and rotating gear structures into the reactor, the inner wall of the reactor is cleaned with a brush, which solves the problem of difficulty in cleaning of hydroxyacetic acid, extends the service life of the reactor and improves its thermal performance .
Patent Information
- Application Number
- CN202420686973.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-07
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-04-07
AI Technical Summary
Hydroxyacetic acid is difficult to clean after use, resulting in scaling inside the reactor, reducing thermal performance and shortening the service life of the reactor.
A reactor including a long groove, push plate, pull pin rod, output shaft and rotating gear is designed. By meshing and disengaging the ring tooth structure, the brush on the L-shaped plate can clean the inner wall of the reactor and pass the screw rod. The frame and short sleeve facilitate the removal and installation of L-shaped plates.
Effective cleaning of the reactor is achieved, the service life of the reactor is extended, and the thermal performance reduction and corrosion problems caused by scaling are avoided.
Smart Images
Figure CN222267131U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hydroxyacetic acid preparation, in particular to a reaction kettle used for preparing hydroxyacetic acid. Background Art
[0002] Hydroxyacetic acid is a colorless, odorless, translucent solid. Industrial products are usually 70% aqueous solutions. This hydroxy acid has very poor volatility and cannot be distilled even under vacuum conditions because it easily loses water and undergoes self-esterification to form diglycolide and polyglycolide. Therefore, it is difficult to separate and purify and is easily soluble in water.
[0003] However, glycolic acid is a strong acid and is irritating. If the glycolic acid inside is not cleaned after use and is allowed to remain for a long time, scaling inside the reactor will increase, reducing its thermal performance. Increasing the reaction time will also aggravate the corrosion of the reactor and shorten its service life.
[0004] Therefore, it is necessary to provide a reactor for preparing glycolic acid to solve the above technical problems. Utility Model Content
[0005] The utility model provides a reaction kettle for preparing glycolic acid, which solves the problem that the inside of the reaction kettle cannot be cleaned.
[0006] In order to solve the above technical problems, the utility model provides a reactor for preparing glycolic acid, comprising: a reactor, the outside of which is fixedly connected to a support plate, the top of which is provided with a long groove, a push plate is slidably connected inside the long groove, the top of the push plate is fixedly connected to a fixed block, the top of the fixed block is fixedly connected to a motor, the top of the push plate is fixedly connected to a pull pin rack, the pull pin rack is slidably connected to a pull pin rod, a pull pin spring is arranged outside the pull pin rod, a push plate hole is provided on the top of the push plate, the pull pin rod passes through the push plate hole and extends To the outside of the push plate hole, a support hole is opened on the top of the support plate, and the support hole is slidably connected to the pull pin rod. An output shaft is fixedly connected to the left side of the motor, and a rotating gear is fixedly connected to the outside of the output shaft. A driving gear is fixedly connected to the other end of the output shaft. A ring groove is opened inside the reactor, and a ring tooth is slidably connected inside the ring groove. A twisting rod frame is fixedly connected to the bottom of the ring tooth, and a short sleeve is fixedly connected to the bottom of the twisting rod frame. A short column is clamped inside the short sleeve, and an L-shaped plate is fixedly connected to the bottom of the short column, and a brush is fixedly connected to the outside of the L-shaped plate.
[0007] Preferably, the inner wall of the reactor is fixedly connected with a horizontal plate, the interior of the horizontal plate is slidably connected with a vertical plate, the interior of the vertical plate is slidably connected with an upper cone column, one end of the upper cone column is fixedly connected with an upper cone block, the bottom of the horizontal plate is fixedly connected with a cone plate, the interior of the cone plate is slidably connected with a lower cone column, one end of the lower cone column is fixedly connected with a lower cone block, the exterior of the upper cone block is slidably connected with an oblique circular block, the bottom of the oblique circular block is slidably connected to the lower cone block, the exterior of the oblique circular block is fixedly connected with a rotating shaft gear, the exterior of the rotating shaft gear is meshed with the exterior of the driving gear, the bottom of the oblique circular block is fixedly connected with a circular sleeve, the interior of the reactor is fixedly connected with a cylinder, and the exterior of the cylinder is slidably connected to the interior of the circular sleeve.
[0008] Preferably, the reactor is fixedly connected to a pin rod rack on the outside, a pin rod is slidably connected to the inside of the pin rod rack, a round cover is movably connected to the outside of the pin rod, a handle is fixedly connected to the top of the round cover, a round groove is provided at the bottom of the round cover, and both ends of the pin rod are fixedly connected to limited pin blocks.
[0009] Preferably, a U-groove is provided on the top of the reaction kettle, a wheel column is fixedly connected to the bottom of the reaction kettle, and a universal wheel is fixedly connected to the bottom of the wheel column.
[0010] Preferably, a rocker is fixedly connected to the outside of the circular sleeve, and a stirring blade is fixedly connected to the other end of the rocker.
[0011] Preferably, a compression spring is arranged outside the cylinder.
[0012] Compared with the related art, the reactor for preparing glycolic acid provided by the utility model has the following beneficial effects:
[0013] The utility model provides a reactor for preparing glycolic acid. Through a long groove, a push plate, a pull pin rod, an output shaft, a rotating gear and a ring gear, when the reactor needs to be cleaned after the operation is completed, a cleaning liquid is poured into the reactor, and then the push plate is pulled backward. When the output shaft moves backward, the rotating gear on the output shaft meshes with the ring gear inside the reactor. When the ring gear rotates, the brush on the L-shaped plate can clean the reactor. A slot is arranged inside a short sleeve at the bottom of a twisting rod frame to facilitate the disassembly and installation of the L-shaped plate. After the reactor is cleaned, the L-shaped plate is disassembled from the short sleeve. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 A schematic structural diagram of a preferred embodiment of a reaction kettle for preparing glycolic acid provided by the utility model;
[0015] Figure 2 for Figure 1 An enlarged schematic diagram of part A is shown;
[0016] Figure 3 for Figure 1The semi-section schematic diagram shown;
[0017] Figure 4 for Figure 3 An enlarged schematic diagram of part B is shown;
[0018] Figure 5 for Figure 1 The schematic cross-sectional view shown;
[0019] Figure 6 for Figure 1 The internal structure diagram shown;
[0020] Figure 7 for Figure 6 An enlarged schematic diagram of part C is shown.
[0021] Numbers in the figure: 1, reactor, 2, support plate, 3, long groove, 4, push plate, 5, fixed block, 6, motor, 7, pull pin rack, 8, pull pin rod, 9, pull pin spring, 10, push plate hole, 11, support hole, 12, output shaft, 13, rotating gear, 14, driving gear, 15, ring groove, 16, ring gear, 17, screw rod rack, 18, short sleeve, 19, short column, 20, L-shaped plate, 21, brush, 22, horizontal plate, 23. Vertical plate, 24. Upper cone column, 25. Upper cone block, 26. Cone plate, 27. Lower cone column, 28. Lower cone block, 29. Oblique circular block, 30. Rotating shaft gear, 31. Round sleeve, 32. Cylinder, 33. Pin rack, 34. Pin, 35. Round cover, 36. Handle, 37. Round groove, 38. Pin limit block, 39. U groove, 40. Wheel column, 41. Universal wheel, 42. Rocker, 43. Stirring blade, 44. Compression spring. DETAILED DESCRIPTION
[0022] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.
[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of a reaction kettle for preparing glycolic acid provided by the utility model;
[0024] Figure 2 for Figure 1 An enlarged schematic diagram of part A is shown; Figure 3 for Figure 1 The semi-section schematic diagram shown; Figure 4 for Figure 3 An enlarged schematic diagram of part B is shown; Figure 5 for Figure 1The schematic cross-sectional view shown; Figure 6 for Figure 1 The internal structure diagram shown; Figure 7 for Figure 6 The enlarged schematic diagram of part C is shown. The reactor for preparing glycolic acid comprises: a reactor 1, wherein the reactor 1 is fixedly connected to a support plate 2 on the outside, the support plate 2 is provided with a long groove 3 on the top, a push plate 4 is slidably connected inside the long groove 3, a fixed block 5 is fixedly connected to the top of the push plate 4, a motor 6 is fixedly connected to the top of the fixed block 5, a pull pin rack 7 is fixedly connected to the top of the push plate 4, a pull pin rod 8 is slidably connected inside the pull pin rack 7, a pull pin spring 9 is arranged outside the pull pin rod 8, a push plate hole 10 is provided on the top of the push plate 4, the pull pin rod 8 penetrates the push plate hole 10 and extends to the outside of the push plate hole 10, and the support plate 2 is provided with a push plate hole 10 on the top. A support hole 11 is slidably connected to the pull pin rod 8, an output shaft 12 is fixedly connected to the left side of the motor 6, a rotating gear 13 is fixedly connected to the outside of the output shaft 12, a driving gear 14 is fixedly connected to the other end of the output shaft 12, a ring groove 15 is opened inside the reactor 1, a ring tooth 16 is slidably connected inside the ring groove 15, a twisting rod frame 17 is fixedly connected to the bottom of the ring tooth 16, a short sleeve 18 is fixedly connected to the bottom of the twisting rod frame 17, a short column 19 is clamped inside the short sleeve 18, an L-shaped plate 20 is fixedly connected to the bottom of the short column 19, and a brush 21 is fixedly connected to the outside of the L-shaped plate 20.
[0025] By opening a long groove 3 on the top of the support plate 2, the push plate 4 can slide inside the long groove 3. The sliding allows the rotating gear 13 outside the output shaft 12 to engage and disengage with the ring gear 16. The ring gear 16 can rotate when engaged, and remain stationary when disengaged. Adding cleaning liquid inside the reactor 1 facilitates softening of scale inside the reactor 1. The rotation of the ring gear 16 allows the brush 21 outside the L-shaped plate 20 to scrub the inner wall of the reactor 1. The setting of the pull pin rod 8 facilitates fixing the push plate 4.
[0026] The inner wall of the reactor 1 is fixedly connected with a horizontal plate 22, and a vertical plate 23 is slidably connected inside the horizontal plate 22. An upper cone column 24 is slidably connected inside the vertical plate 23, and an upper cone block 25 is fixedly connected to one end of the upper cone column 24. A cone plate 26 is fixedly connected to the bottom of the horizontal plate 22, and a lower cone column 27 is slidably connected inside the cone plate 26. A lower cone block 28 is fixedly connected to one end of the lower cone column 27. An oblique circular block 29 is slidably connected to the outside of the upper cone block 25, and the bottom of the oblique circular block 29 is slidably connected to the lower cone block 28. A rotating shaft gear 30 is fixedly connected to the outside of the oblique circular block 29, and the outside of the rotating shaft gear 30 is meshed with the outside of the driving gear 14. A circular sleeve 31 is fixedly connected to the bottom of the oblique circular block 29, and a circular column 32 is fixedly connected to the inside of the reactor 1, and the outside of the cylindrical column 32 is slidably connected to the inside of the circular sleeve 31.
[0027] The upper cone block 25 and the lower cone block 28 are respectively arranged outside the oblique circular block 29 so that the oblique circular block 29 moves up and down when the shaft gear 30 rotates. The vertical plate 23 slides to facilitate the movement of the oblique circular block 29 rotating outside the upper cone block 25.
[0028] The reactor 1 is fixedly connected to a pin rod frame 33 on the outside, a pin rod 34 is slidably connected to the inside of the pin rod frame 33, a round cover 35 is movably connected to the outside of the pin rod 34, a handle 36 is fixedly connected to the top of the round cover 35, a round groove 37 is formed at the bottom of the round cover 35, and limited pin blocks 38 are fixedly connected to both ends of the pin rod 34.
[0029] The pin rod 34 is slidably connected to the pin rod frame 33 so that the round cover 35 can move up and down. When the handle 36 is picked up, it can be rotated to the top of the reactor 1 to press the cover.
[0030] A U-groove 39 is provided on the top of the reactor 1 , a wheel column 40 is fixedly connected to the bottom of the reactor 1 , and a universal wheel 41 is fixedly connected to the bottom of the wheel column 40 .
[0031] The U-groove 39 is provided to facilitate the rotation of the output shaft 12 . When the round cover 35 covers the reactor 1 , the output shaft 12 can operate normally, and the universal wheel 41 at the bottom of the reactor 1 is easy to move.
[0032] The outer portion of the circular sleeve 31 is fixedly connected to a rocker 42 , and the other end of the rocker 42 is fixedly connected to a stirring blade 43 .
[0033] When the circular sleeve 31 rotates, the stirring blade 43 continuously reacts the glycolic acid inside the reactor 1 .
[0034] A compression spring 44 is disposed outside the cylinder 32 .
[0035] The compression spring 44 is provided so that the round sleeve 31 can be bounced up when the inclined round block 29 is flat.
[0036] The working principle of the reactor for preparing glycolic acid provided by the utility model is as follows: when the reactor 1 needs to be cleaned, the personnel pulls up the pull pin rod 8 sliding inside the pull pin rack 7, and when the pull pin rod 8 is separated from the push plate hole 10, the push plate 4 slides backward inside the long groove 3, and the motor 6 on the top of the push plate 4 drives the rotating gear 13 on the output shaft 12 to mesh with the ring gear 16 when rotating, and the ring gear 16 can be rotated when meshing, and the rotation of the ring gear 16 can make the screw rod rack at the bottom of the ring gear 16 17 can be rotated, and the short sleeve 18 at the bottom of the twist rod frame 17 is clamped with the L-shaped plate 20 during cleaning. A clamping groove is provided inside the short sleeve 18 to facilitate the installation of the short sleeve 18 and the short column 19. When the reactor 1 needs to work, the personnel pull up the pull pin rod 8 and push the push plate 4 forward. At this time, the rotating gear 13 on the output shaft 12 is disengaged from the ring gear 16, so that the rotating gear 13 can become idle when the output shaft 12 runs, and will not engage with the ring gear 16 to rotate, so that the ring gear 16 remains stationary.
[0037] Compared with the related art, the reactor 1 for preparing glycolic acid provided by the utility model has the following beneficial effects:
[0038] The utility model provides a reactor for preparing glycolic acid. Through a long slot 3, a push plate 4, an output shaft 12 of a pull pin rod 8, a rotating gear 13 and a ring gear 16, when the reactor 1 needs to be cleaned after the operation is completed, a cleaning liquid is poured into the reactor 1, and then the push plate 4 is pulled backward. When the output shaft 12 moves backward, the rotating gear 13 on the output shaft 12 meshes with the ring gear 16 inside the reactor 1. When the ring gear 16 rotates, a brush 21 on an L-shaped plate 20 can clean the reactor 1. A short sleeve 18 at the bottom of a twisting rod frame 17 is provided with a slot inside to facilitate the disassembly and installation of the L-shaped plate 20. After the reactor 1 is cleaned, the L-shaped plate 20 is disassembled from the short sleeve 18.
[0039] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A reactor for preparing glycolic acid, characterized in that: The top of the push plate is provided with a push rod, and the bottom of the push plate is provided with a push rod, and the bottom of the push plate is provided with a pull rod.
2. The reactor for preparing glycolic acid according to claim 1, characterized in that: The inner wall of the reactor is fixedly connected with a horizontal plate, the interior of the horizontal plate is slidably connected with a vertical plate, the interior of the vertical plate is slidably connected with an upper cone column, one end of the upper cone column is fixedly connected with an upper cone block, the bottom of the horizontal plate is fixedly connected with a cone plate, the interior of the cone plate is slidably connected with a lower cone column, one end of the lower cone column is fixedly connected with a lower cone block, the exterior of the upper cone block is slidably connected with an oblique circular block, the bottom of the oblique circular block is slidably connected to the lower cone block, the exterior of the oblique circular block is fixedly connected with a rotating shaft gear, the exterior of the rotating shaft gear is meshed with the exterior of the driving gear, the bottom of the oblique circular block is fixedly connected with a circular sleeve, the interior of the reactor is fixedly connected with a cylinder, and the exterior of the cylinder is slidably connected to the interior of the circular sleeve.
3. The reactor for preparing glycolic acid according to claim 1, characterized in that: The reactor is fixedly connected with a pin rod rack on the outside, a pin rod is slidably connected inside the pin rod rack, a round cover is movably connected outside the pin rod, a handle is fixedly connected to the top of the round cover, a round groove is provided at the bottom of the round cover, and limited pin blocks are fixedly connected to both ends of the pin rod.
4. The reactor for preparing glycolic acid according to claim 1, characterized in that: A U groove is provided on the top of the reaction kettle, a wheel column is fixedly connected to the bottom of the reaction kettle, and a universal wheel is fixedly connected to the bottom of the wheel column.
5. The reactor for preparing glycolic acid according to claim 2, characterized in that: The outside of the circular sleeve is fixedly connected with a rocker, and the other end of the rocker is fixedly connected with a stirring blade.
6. The reaction kettle for preparing glycolic acid according to claim 2, characterized in that: A compression spring is arranged outside the cylinder.