Reaction kettle for photosensitizer production
By adopting a dispersion disc and dispersion tube structure in the reactor for photosensitizer production, the problem of uneven material dispersion was solved, achieving uniform reaction throughout the reactor and improving the reaction rate and production efficiency.
Patent Information
- Application Number
- CN202423233607.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2034-12-26
AI Technical Summary
In existing technologies, the materials added dropwise into the reactor cannot be dispersed in a timely manner, resulting in low reaction efficiency and affecting the production efficiency of photosensitizers.
A photosensitizer production reactor was designed, which adopts a dispersion disc and multiple dispersion tubes. The dispersion disc is located above the liquid surface, and the dispersion tubes are connected to the disc cavity. The dispersion holes are arranged at intervals along the axial direction. The dispersion disc and dispersion tubes are driven to rotate by a stirring device to disperse the material to all parts of the reactor, ensuring that the reaction can be carried out in all places.
This improves the dispersion of materials within the reactor, ensuring that the reaction can occur throughout the reactor, thereby increasing the reaction rate and production efficiency.
Smart Images
Figure CN223761019U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to photosensitizer production equipment technical field, concretely relates to a photosensitizer production is with reation kettle. BACKGROUND
[0002] Photosensitive initiator is a kind of substance that can absorb radiant energy, and active intermediate (free radical or cation) with initiation polymerization ability is generated by excitation photochemical change. Photosensitive initiator is the key component of photo-curing material, and it plays a decisive role in the photo-curing speed of photo-curing material. In the photosensitizer production process, reaction kettle is needed to carry out chemical reaction.
[0003] Patent CN210251998U discloses a kind of preparation light initiator with stirred tank, solve the problem of low stirring efficiency of traditional stirred tank, its technical scheme main point is including kettle body and stirring device, the top of the kettle body is equipped with feed pipe, the bottom of the kettle body is equipped with arc-shaped bottom hopper, the arc-shaped bottom hopper is equipped with discharge pipe;The stirring device includes rotating motor, stirring shaft, stirring rod, stirring blade, bottom scraper and resistance flow rod, the top of the stirring shaft is connected with the rotating motor, the shaft body of the stirring shaft is connected with the stirring rod, the end of the stirring rod is equipped with the stirring blade outside, the middle part of the bottom scraper is fixedly connected to the bottom end of the stirring shaft, the resistance flow rod is located between two adjacent stirring rods, one end of the resistance flow rod is fixedly connected to the inner wall of the kettle body.
[0004] In the photosensitizer production process, liquid material needs to be added dropwise into the reaction kettle to react with the material in the reaction kettle. However, the material added dropwise into the reaction kettle in the above prior art cannot be dispersed in time, the reaction efficiency is low, and the production efficiency of photosensitizer is affected. UTILITY MODEL CONTENTS
[0005] The utility model aims at overcoming the above technical deficiencies, and proposes a kind of photosensitizer production is with reation kettle, solves the technical problem that the material added dropwise into the reaction kettle in prior art cannot be dispersed in time, reaction efficiency is low, and the production efficiency of photosensitizer is affected.
[0006] To achieve the above technical purpose, the utility model takes the following technical scheme:
[0007] The utility model provides a kind of photosensitizer production is with reation kettle, including:
[0008] Reaction kettle, the upper end of the reaction kettle is equipped with liquid inlet;
[0009] Stirring device, is located in the reaction kettle;And
[0010] The dropping assembly comprises a dispersion disc and a plurality of dispersion pipes, the dispersion disc is rotatably installed along an axis in a vertical direction in the reaction kettle and above the liquid surface, a disc cavity of the dispersion disc is communicated with the liquid inlet, a plurality of the dispersion pipes are arranged in a circumferential direction of the dispersion disc, one end of each of the dispersion pipes is communicated with the disc cavity, the other end of each of the dispersion pipes is blocked, and a plurality of dispersion holes are arranged in an axial direction of each of the dispersion pipes.
[0011] In some embodiments, the dispersion holes of two adjacent dispersion pipes are arranged in a staggered manner.
[0012] In some embodiments, the stirring device comprises a rotating shaft, a stirring paddle and a driving motor, the rotating shaft is rotatably installed along an axis in a vertical direction in the reaction kettle, the stirring paddle is installed at a lower end of the rotating shaft, and a main shaft of the driving motor is connected with an upper end of the rotating shaft.
[0013] In some embodiments, the dispersion disc is installed on the rotating shaft so as to be driven to rotate by the rotating shaft.
[0014] In some embodiments, a plurality of through holes are arranged in a circumferential direction of the dispersion disc.
[0015] The dropping assembly further comprises a connecting ring, the connecting ring is rotatably installed along an axis in a vertical direction on an outer periphery of the dispersion disc and is sealingly matched with the dispersion disc, an inlet is arranged on an outer periphery of the connecting ring, the inlet is communicated with the liquid inlet, an annular groove is arranged on an inner side of the connecting ring, and the annular groove is communicated with the inlet and the through hole.
[0016] In some embodiments, a through hole is arranged in a middle part of the dispersion disc, the dispersion disc is sleeved on an outer periphery of the rotating shaft through the through hole, and a threaded hole communicated with the through hole is arranged in a circumferential direction of the dispersion disc.
[0017] The dropping assembly further comprises a locking screw, the locking screw is threadedly connected with the dispersion disc, and one end of the locking screw is inserted into the through hole and abuts against the rotating shaft.
[0018] In some embodiments, the dispersion disc comprises a disc body and a cover plate, the disc body is provided with an annular cavity with an upper side opening, a through hole is arranged in a middle part of the disc body, the connecting ring is rotatably installed on an outer periphery of the disc body, and the cover plate is arranged on the upper side of the disc body.
[0019] In some embodiments, a diameter of the cover plate is greater than that of the disc body, an annular protrusion is arranged on an outer periphery of a bottom of the disc body, an annular groove is formed between the annular protrusion and the cover plate, the connecting ring is matched with the annular groove, and the connecting ring is rotatably installed in the annular groove.
[0020] In some embodiments, the dispersion pipes are detachably connected with the dispersion disc.
[0021] In some embodiments, the dispersion disc is provided with a plurality of threaded holes, the plurality of threaded holes are arranged along the circumference of the dispersion disc, and the threaded holes are communicated with the disc cavity, one end of the dispersion pipe is provided with an external thread, and the dispersion pipe is threadedly connected with the dispersion disc.
[0022] Compared with the prior art, the reaction kettle for photosensitizer production is provided, the stirring device is used for stirring the material in the reaction kettle, the disc cavity is communicated with the liquid inlet, the dispersion pipe is communicated with the disc cavity, and in specific use, the material is conveyed from the liquid inlet into the disc cavity, then into the dispersion pipe, and finally dropped into the material in the reaction kettle through the dispersion holes, so as to react, a plurality of dispersion pipes are arranged along the circumference of the dispersion disc, a plurality of dispersion holes are arranged along the axial direction, the dispersion pipe can rotate with the dispersion disc, so that the material can be dispersed to each part in the reaction kettle, the reaction can be carried out in each part of the reaction kettle, the reaction rate is improved, and the production efficiency is improved.
[0023] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, and the preferred embodiment of the utility model is described in detail as follows with the cooperation of the drawings. The specific embodiment of the utility model is given in detail by the following examples and their drawings. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 It is a structure schematic view of one embodiment of the reaction kettle for photosensitizer production provided by the utility model,
[0025] Figure 2 It is Figure 1 the front view of the dropping assembly in the reaction kettle for photosensitizer production provided by the utility model,
[0026] Figure 3 It is Figure 1 the partial sectional view of the dispersion disc in the reaction kettle for photosensitizer production provided by the utility model,
[0027] Figure 4 It is a structure schematic view of another embodiment of the reaction kettle for photosensitizer production provided by the utility model,
[0028] Figure 5 It is Figure 4 the partial schematic view of the reaction kettle and the dispersion disc in the reaction kettle for photosensitizer production provided by the utility model.
[0029] EXPLANATION OF REFERENCE NUMERALS:
[0030] 1 - reactor, 11 - liquid inlet, 2 - stirring device, 21 - rotating shaft, 22 - stirring paddle, 23 - drive motor, 3 - dropwise adding assembly, 31 - dispersion disc, 311 - disc body, 3111 - disc cavity, 3112 - via, 3113 - annular protrusion, 3114 - threaded hole, 312 - cover plate, 313 - locking screw, 32 - dispersion pipe, 321 - dispersion hole, 33 - connecting ring, 331 - annular groove, 332 - inlet, 34 - drive assembly, 341 - driving gear, 342 - driven gear, 343 - motor. DETAILED DESCRIPTION
[0031] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.
[0032] In order to solve the technical problem that the material dropped into the reactor cannot be dispersed in time, the reaction efficiency is low, and the production efficiency of the photosensitizer is affected in the prior art, the utility model provides a reactor for photosensitizer production, which can disperse the material to each part in the reactor, ensures that each part of the reactor can react, is beneficial to improve the reaction rate and improve the production efficiency.
[0033] Please refer to Figure 1 , Figure 1 It is a structural schematic view of the reactor for photosensitizer production in an embodiment of the utility model.
[0034] The utility model provides a reactor for photosensitizer production, including reactor 1, stirring device 2 and dropwise adding assembly 3, the reactor 1 upper end is equipped with liquid inlet 11, stirring device 2 is located in the reactor 1, and dropwise adding assembly 3 includes dispersion disc 31 and a plurality of dispersion pipes 32, the dispersion disc 31 is installed in the reactor 1 along the axis in vertical direction and is located above liquid level, the disc cavity 3111 of dispersion disc 31 is communicated with liquid inlet 11, a plurality of dispersion pipes 32 are arranged along the circumferential direction of dispersion disc 31, one end of each dispersion pipe 32 is communicated with disc cavity 3111, the other end of dispersion pipe 32 is blocked, and the bottom of dispersion pipe 32 is provided with a plurality of dispersion holes 321 arranged along the axial direction.
[0035] In the embodiment, please refer to Figures 1 to 3The stirring device 2 is used for stirring the material in the reaction kettle 1. The disc cavity 3111 is communicated with the liquid inlet 11. The dispersion pipe 32 is communicated with the disc cavity 3111. In specific use, the material is transported from the liquid inlet 11 to the disc cavity 3111, and then enters the dispersion pipe 32, and finally drops into the material in the reaction kettle 1 from the dispersion hole 321, so as to react. A plurality of dispersion pipes 32 are arranged along the circumference of the dispersion disc 31. A plurality of dispersion holes 321 are arranged along the axial direction. The dispersion pipe 32 can rotate with the dispersion disc 31, so as to disperse the material to each place in the reaction kettle 1, ensure that each place in the reaction kettle 1 can react, and improve the reaction rate and production efficiency.
[0036] In one embodiment, referring to Figure 2 The dispersion holes 321 of two adjacent dispersion pipes 32 are arranged in a staggered manner.
[0037] In the embodiment, the plurality of dispersion holes 321 on each dispersion pipe 32 are uniformly arranged, and the dispersion holes 321 of two adjacent dispersion pipes 32 are arranged in a staggered manner, that is, the distances from the dispersion holes 321 on two adjacent dispersion pipes 32 to the center of the dispersion disc 31 are different. Through the cooperation of the plurality of dispersion pipes 32, the material is dispersed to each place in the reaction kettle 1, and the reaction rate is improved.
[0038] In one embodiment, referring to Figure 1 The stirring device 2 comprises a rotating shaft 21, a stirring paddle 22 and a driving motor 23. The rotating shaft 21 is rotatably installed on the reaction kettle 1 along the axis in the vertical direction. The stirring paddle 22 is installed at the lower end of the rotating shaft 21. The main shaft of the driving motor 23 is connected with the upper end of the rotating shaft 21.
[0039] In the embodiment, the upper end of the rotating shaft 21 is rotatably installed on the upper side wall of the reaction kettle 1 along the axis in the vertical direction. The lower end of the rotating shaft 21 is located in the reaction kettle 1, and the upper end of the rotating shaft 21 is located outside the reaction kettle 1. The stirring paddle 22 is fixedly installed at the lower end of the rotating shaft 21. The main shaft of the driving motor 23 is fixedly connected with the upper end of the rotating shaft 21. Thus, the rotating shaft 21 and the stirring paddle 22 are driven to rotate by the driving motor 23, and the material is stirred.
[0040] Further, the stirring paddle 22 comprises a propeller stirring paddle and a dispersion disc stirring paddle, the dispersion disc stirring paddle and the propeller stirring paddle are arranged in the shaft 21 from top to bottom, the propeller stirring paddle is arranged near the bottom of the reactor 1, the propeller stirring paddle is used to push the material at the bottom of the reactor 1 upward, the dispersion disc stirring paddle is arranged near the liquid surface in the reactor 1, the dispersion disc stirring paddle is used to disperse the material at the liquid surface to the four directions, through the cooperation of the dispersion disc stirring paddle, the propeller stirring paddle and the dispersion pipe 32, the reaction rate can be further improved.
[0041] In one of the embodiments, referring to Figure 1 and Figure 3 , the dispersion disc 31 is arranged on the shaft 21 to rotate the dispersion disc 31 through the shaft 21.
[0042] In the embodiment, in order to avoid the interference between the dispersion pipe 32 and the shaft 21, the dispersion disc 31 and the shaft 21 are coaxially arranged, and the dispersion disc 31 is fixedly arranged on the shaft 21 to rotate the dispersion disc 31 through the shaft 21, so that the number of driving devices can be reduced and the cost can be reduced.
[0043] In one of the embodiments, referring to Figure 3 , a plurality of through holes 3112 are arranged on the circumference of the dispersion disc 31; the dripping assembly 3 further comprises a connecting ring 33, the connecting ring 33 is rotatably arranged on the outer circumference of the dispersion disc 31 along the axis in the vertical direction and is sealingly matched with the dispersion disc 31, the outer circumference of the connecting ring 33 is provided with an inlet 332, the inlet 332 is communicated with the liquid inlet 11, the inner side of the connecting ring 33 is provided with an annular groove 331, the annular groove 331 is communicated with the inlet 332 and the through hole 3112.
[0044] In the embodiment, the dispersion disc 31 and the rotating shaft 21 are coaxially arranged, so that the liquid inlet 11 cannot be directly communicated with the dispersion disc 31. In order to smoothly communicate the liquid inlet 11 with the disc cavity 3111, a plurality of through holes 3112 are uniformly arranged on the circumference of the dispersion disc 31, the through holes 3112 are communicated with the disc cavity 3111, the connecting ring 33 is rotatably arranged on the outer circumference of the dispersion disc 31 and is arranged corresponding to the through holes 3112, the inner side of the connecting ring 33 is provided with an annular groove 331, the annular groove 331 can communicate with a plurality of through holes 3112, the outer side of the connecting ring 33 is provided with an inlet 332 communicated with the annular groove. In use, the liquid inlet 11 and the inlet 332 are communicated by a pipeline. When the rotating shaft 21 drives the dispersion disc 31 to rotate, the connecting ring 33 can be relatively fixed, and the material can enter the disc cavity 3111 through the annular groove 331 and the through holes 3112, so as to ensure that the material is continuously transported into the disc cavity 3111 during the rotation of the dispersion disc 31.
[0045] In one of the embodiments, referring to Figure 3 , the dispersion disc 31 is provided with a through hole in the middle, the dispersion disc 31 is sleeved on the outer circumference of the rotating shaft 21 through the through hole, and the circumference of the dispersion disc 31 is provided with a threaded hole 3114 communicated with the through hole; the drop adding assembly 3 further comprises a locking screw 313, the locking screw 313 is threadedly connected with the dispersion disc 31, and one end of the locking screw 313 protrudes into the through hole and abuts against the rotating shaft 21.
[0046] In the embodiment, the diameter of the through hole is the same as the diameter of the rotating shaft 21, the dispersion disc 31 is sleeved on the outer circumference of the rotating shaft 21, and the locking screw 313 can lock the dispersion disc 31 on the rotating shaft 21, so as to fix the dispersion disc 31 on the rotating shaft 21.
[0047] In another embodiment, referring to Figures 4 to 5 , the dispersion disc 31 is provided with a through hole in the middle, the dispersion disc 31 is coaxially arranged with the rotating shaft 21, and the dispersion disc 31 is rotatably sleeved on the outer circumference of the rotating shaft 21, and the upper end of the dispersion disc 31 protrudes out of the reaction kettle 1; the drop adding assembly 3 further comprises a driving assembly 34, the driving assembly 34 is connected with the dispersion disc 31 to drive the dispersion disc 31 to rotate. In this way, the stirring device 2 and the dispersion disc 31 are relatively independent and are controlled respectively, so as to facilitate the control of the rotating speed of the dispersion disc 31.
[0048] Specifically, the driving assembly 34 comprises a driving gear 341, a driven gear 342 and a motor 343, the driving gear 341 is rotatably installed on the upper side of the reaction kettle 1, the driven gear 342 is installed on the upper end of the dispersion disc 31, the driving gear 341 and the driven gear 342 are engaged, the main shaft of the motor 343 is connected with the driving gear 341, so as to drive the dispersion disc 31 to rotate through the engagement of the motor 343 and the gears.
[0049] In one of the embodiments, referring to Figure 3 , the dispersion disc 31 comprises a disc body 311 and a cover plate 312, the disc body 311 is provided with a cavity which is annularly arranged and has an upper side opening, the disc body 311 is provided with the through hole in the middle part, the connecting ring 33 is rotatably installed on the outer periphery of the disc body 311, and the cover plate 312 is arranged on the upper side of the disc body 311.
[0050] In the embodiment, the disc body 311 is annularly arranged as a whole, and correspondingly, the cavity is also annularly arranged, the through hole 3112 is arranged on the outer periphery of the disc body 311 and communicates with the cavity, and the cover plate 312 and the disc body 311 form the disc cavity 3111 in a closed manner, so that the processing and production of the dispersion disc 31 are facilitated.
[0051] Further, the disc body 311 and the cover plate 312 are threadedly connected.
[0052] Still further, a sealing member is arranged between the disc body 311 and the cover plate 312.
[0053] In one of the embodiments, referring to Figure 3 , the diameter of the cover plate 312 is greater than that of the disc body 311, the disc body 311 is provided with an annular protrusion 3113 on the outer periphery of the bottom, an annular groove is formed between the annular protrusion 3113 and the cover plate 312, the connecting ring 33 is adapted to the annular groove, and the connecting ring 33 is rotatably installed in the annular groove.
[0054] In the embodiment, in order to limit the connecting ring 33, the diameter of the cover plate 312, the diameter of the annular protrusion 3113 and the outer diameter of the connecting ring 33 are kept consistent, and the inner diameter of the connecting ring 33 is consistent with the outer diameter of the disc body 311. Specifically, when assembling, the connecting ring 33 is first installed on the disc body 311, so that the lower side of the connecting ring 33 abuts against the annular protrusion 3113, and then the cover plate 312 is installed on the disc body 311, so as to limit the connecting ring 33 through the cover plate 312 and the annular protrusion 3113.
[0055] In the embodiment, the dispersing pipe 32 and the dispersing disc 31 are detachably connected for facilitating installation and later maintenance.
[0056] Specifically, the dispersing disc 31 is circumferentially provided with a plurality of threaded holes 3114, the plurality of threaded holes 3114 are circumferentially spaced apart, and the threaded holes 3114 are communicated with the disc cavity 3111, one end of the dispersing pipe 32 is provided with an external thread, and the dispersing pipe 32 is threadedly connected with the dispersing disc 31.
[0057] In order to better understand the utility model, the following will be combined with Figures 1 to 5 The technical scheme of the utility model will be described in detail:
[0058] In specific use, the driving motor 23 is driven, the driving motor 23 drives the rotating shaft 21, the dispersing disc 31 and the stirring paddle 22 to rotate, at this time, the connecting ring 33 is relatively stationary, the material is transported from the liquid inlet 11 to the disc cavity 3111 through the pipeline, and then enters the dispersing pipe 32, and finally drops into the material in the reaction kettle 1 from the dispersing hole 321, so as to react, and the plurality of dispersing pipes 32 are circumferentially spaced apart along the dispersing disc 31, the plurality of dispersing holes 321 are axially spaced apart, and the dispersing pipe 32 can rotate with the dispersing disc 31, so that the material can be dispersed to each place in the reaction kettle 1, ensuring that each place in the reaction kettle 1 can react, which is beneficial to improve the reaction rate and improve the production efficiency.
[0059] The specific embodiment of the utility model described above does not constitute a limitation on the protection scope of the utility model. Any various other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the utility model claim.
Claims
1. A reaction vessel for producing photosensitizers, characterized in that, The utility model relates to a kind of reaction kettle and its dropwise adding assembly. The reaction kettle comprises: A liquid inlet is arranged at the upper end of the reaction kettle; A stirring device is arranged in the reaction kettle; and The dropwise adding assembly comprises a dispersion disc and a plurality of dispersion pipes.
2. The photo-sensitizer production reactor according to claim 1, wherein The dispersion disc is rotatably arranged in the reaction kettle along an axis in the vertical direction and above the liquid surface.
3. The photo-sensitizer production reactor according to claim 1, wherein The dispersion holes of two adjacent dispersion pipes are arranged in a staggered manner.
4. The photo-sensitizer production reaction vessel according to claim 3, wherein The stirring device comprises a rotating shaft, a stirring paddle and a driving motor.
5. The photo-sensitizer production reactor according to claim 4, wherein The dispersion disc is rotatably arranged on the rotating shaft. A plurality of through holes are arranged on the circumference of the dispersion disc.
6. The photo-sensitizer production reactor according to claim 5, wherein The dropwise adding assembly further comprises a connecting ring. The connecting ring is rotatably arranged on the outer circumference of the dispersion disc along an axis in the vertical direction and sealingly cooperates with the dispersion disc.
7. The photo-sensitizer production reaction vessel according to claim 6, wherein An inlet is arranged on the outer circumference of the connecting ring.
8. The photo-sensitizer production reaction vessel according to claim 7, wherein, The inlet is in communication with the liquid inlet.
9. The photo-sensitizer production reactor according to claim 1, wherein, An annular groove is arranged on the inner side of the connecting ring.
10. The photo-sensitizer production reactor according to claim 9, wherein, The annular groove is in communication with the inlet and the through holes. A through hole is arranged in the middle of the dispersion disc. The dispersion disc is sleeved on the outer circumference of the rotating shaft through the through hole. A plurality of threaded holes are arranged on the circumference of the dispersion disc. The threaded holes are in communication with the cavity of the dispersion disc. One end of the dispersion pipe is provided with an external thread. The dispersion pipe is threadedly connected with the dispersion disc. The dispersion disc comprises a disc body and a cover plate. The disc body is provided with an annular cavity with an upper opening. The through hole is arranged in the middle of the disc body. The connecting ring is rotatably arranged on the outer circumference of the disc body. The cover plate is arranged on the upper side of the disc body. The diameter of the cover plate is larger than that of the disc body. An annular protrusion is arranged on the outer circumference of the bottom of the disc body. An annular groove is formed between the annular protrusion and the cover plate. The connecting ring is adapted to the annular groove. The connecting ring is rotatably arranged in the annular groove. The dispersion pipe is detachably connected with the dispersion disc. A plurality of threaded holes are arranged on the circumference of the dispersion disc. The threaded holes are in communication with the cavity of the dispersion disc. One end of the dispersion pipe is provided with an external thread. The dispersion pipe is threadedly connected with the dispersion disc.