Automatic control system for refining process in glyceryl triacetate production process

Abstract

The utility model relates to the technical field of chemical production, in particular to an automatic control system of a refining process in a glyceryl triacetate production process, which comprises a base, a feeding system, a heating system, a sealing system and a cooling system, a movable disc is arranged on the base, a groove is formed in the movable disc, a material containing cup is placed in the groove and used for containing liquid to be treated, the middle of the movable disc is rotationally connected with a supporting shaft, the supporting shaft is fixed to the upper portion of the base, and a first motor is connected to the upper portion of the movable disc and used for providing rotating power for the movable disc. According to the automatic control system for the refining process in the glyceryl triacetate production process, distillation raw materials can be automatically fed and placed through the feeding system, the subsequent treatment efficiency is improved, a heating system does not need to be suspended, the automation degree of the heating system is improved, and the sealing cover can descend in the distillation process to guide and collect boil-off gas of the material containing cup.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical production, in particular to an automatic control system for a refining process in the production process of triacetin. Background Art

[0002] Glyceryl triacetate is an adhesive for making cigarette filters and a common chemical flavor fixative. Its chemical processing and synthesis involves a variety of processes, such as esterification, degreasing, filtration, distillation and purification, etc. The processing process is controlled by a relevant control system. The application number is CN202210414925.5, and a triacetin production auxiliary material control system disclosed on July 29, 2022, includes a storage system, a batching system, a delivery system, a reaction system, and a control center. The present invention starts with the auxiliary material control links of the storage system, the batching system, the delivery system, and the reaction system. The auxiliary materials required for each production link of triacetin production are collected and monitored in terms of operating status, which improves the overall production process management level. The auxiliary material control has a high degree of automation, and all links are controllable, which greatly reduces the waste of auxiliary materials and unreasonable configuration.

[0003] During the refined distillation of triacetin, the raw materials are heated and evaporated through the system. However, the system needs to be manually loaded and unloaded for distillation during use, and it is time-consuming to replace and adjust a single vessel after distillation. A long time is required for assembly and disassembly preparation before and after distillation, which reduces the overall processing efficiency. Summary of the invention

[0004] The utility model aims to provide an automated control system for a refining process in the production process of triacetin, so as to solve the problems raised in the above-mentioned background technology that in the refined distillation process of triacetin, the system heats and evaporates the raw materials, but the system needs to manually load and unload the distillation materials when in use, and it is time-consuming to replace and adjust a single vessel after the distillation is completed, and a long time is required for assembly and disassembly preparation before and after the distillation.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automated control system for a refining process in the production process of triacetin, comprising a base, a feeding system, a heating system, a sealing system and a cooling system, wherein the feeding system is arranged above the base, and the feeding system comprises a movable disk, a support shaft and a first motor, wherein a groove is provided on the movable disk, and a material cup is placed in the groove to hold the liquid to be treated, and a support shaft is rotatably connected to the middle of the movable disk, and the support shaft is fixed above the base, and a first motor is connected above the movable disk to provide rotational power for the movable disk so that the movable disk can drive the material cup to move to realize feeding, the heating system is arranged below the material cup, and the heating system is composed of a heater, the sealing system is arranged above the movable disk to seal the upper opening of the material cup, and the cooling system is externally connected to the sealing gas system.

[0006] To further optimize the technical solution, a material ejection system is provided below the movable plate to automatically eject the material cup after it is removed.

[0007] To further optimize the technical solution, the ejection system includes a push plate, a connecting block, a first magnet and a second magnet;

[0008] A push plate is arranged below the material containing cup;

[0009] The connecting block is fixed below the push plate, and an up-and-down sliding structure is formed between the connecting block and the base;

[0010] A first magnet is fixed on the outer side of the connecting block;

[0011] The second magnet is fixed below the movable disk and is arranged opposite to the first magnet with opposite magnetic poles.

[0012] To further optimize the technical solution, the sealing system includes a sealing cover, a telescopic tube and an electric push rod;

[0013] A sealing cover is arranged above the base to cover the opening of the material holding cup;

[0014] A telescopic tube is fixed above the sealing cover;

[0015] The electric push rod is installed on the outer side of the sealing cover to control the vertical movement of the sealing cover, and the upper end of the electric push rod is connected to the base.

[0016] To further optimize the technical solution, the cooling system includes a cooling pipe and a cooling chamber;

[0017] The cooling pipe is fixed on the top of the telescopic pipe, and a collector is placed at the lower opening of the cooling pipe;

[0018] The cooling chamber is arranged on the outside of the cooling pipe.

[0019] To further optimize the technical solution, a stirring system is arranged inside the sealing cover, and the stirring system includes a mounting plate, a rotating rod, a movable rod, a stirring head, a connecting gear, a transmission gear, a second motor and an automatic telescopic system;

[0020] A mounting plate fixed inside the sealing cover;

[0021] A rotating rod is rotatably mounted below the mounting plate;

[0022] The movable rod is arranged inside and between the rotating rod to form an up-and-down sliding structure, and a transmission block is fixed on the outside of the movable rod to keep the movable rod and the rotating rod rotating synchronously;

[0023] A stirring head is fixed to the lower end of the movable rod;

[0024] A connecting gear is fixed above the rotating rod;

[0025] A transmission gear is arranged on the outer side of the connecting gear and is meshed with the connecting gear;

[0026] A second motor is connected to the transmission gear to control the rotation of the transmission gear;

[0027] The automatic telescopic system is arranged above the movable rod to control the telescopic movement of the movable rod.

[0028] To further optimize the technical solution, the automatic telescopic system includes a return spring, a traction rope, a third magnet, a fourth magnet and a movable head;

[0029] A return spring is arranged above the movable rod to provide a downward thrust for the movable rod;

[0030] A traction rope is installed above the movable rod to control the movement of the movable rod;

[0031] A third magnet is arranged inside the mounting plate and between the mounting plates to form a left-right sliding structure, and the third magnet is connected to the upper end of the traction rope;

[0032] The fourth magnet is fixed on the top of the base, and the fourth magnet and the third magnet are arranged opposite to each other with opposite magnetic poles.

[0033] The movable head is rotatably mounted above the movable rod, and the movable head is connected to the traction rope.

[0034] Compared with the prior art, the beneficial effects of the utility model are:

[0035] The feeding system can realize automatic feeding and placement of distillation raw materials, improve subsequent processing efficiency, and there is no need to pause the heating system, thereby improving its degree of automation. During the distillation process, the sealing cover can be lowered to guide and collect the evaporated gas in the material cup.

[0036] The material cup can be pushed out from the movable plate by the push plate, so that the material cup can be taken out conveniently, and the push plate can automatically rise as the material cup is in place, and can automatically fall after the material cup is turned out from the push plate, so that the subsequent material cup can be smoothly moved to the top of the push plate.

[0037] The liquid in the material cup can be stirred by rotating the movable rod and the stirring head to make it evenly mixed and improve the distillation efficiency. The movable rod can be extended and retracted in the rotating rod so that it can be smoothly inserted into the interior of the material cup. At the same time, the rotating rod can drive the movable rod to rotate stably.

[0038] Through the mutual attraction between the third magnet and the fourth magnet, the movable rod can be automatically controlled to move after the sealing cover rises upward, and the movable rod can be pulled into the rotating rod, so that the stirring head can be taken out of the material holding cup, so that the subsequent movable disk can rotate smoothly.

[0039] The rotational power is provided to the rotating rod by the mutual meshing of the connecting gear and the transmission gear. The transmission in this way also avoids the influence on the upper end of the rotating rod, and provides the installation connection space for the traction rope. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 It is a three-dimensional structure schematic diagram of the utility model.

[0041] Figure 2 It is a schematic diagram of the structure of the utility model when viewed from above.

[0042] Figure 3 It is a schematic diagram of the main cross-sectional structure of the push plate of the utility model.

[0043] Figure 4 It is a schematic diagram of the sealing cover of the utility model when viewed from above.

[0044] Figure 5 It is a schematic diagram of the main cross-sectional structure of the sealing cover of the utility model.

[0045] Figure 6 This is a schematic diagram of the main cross-sectional structure of the rotating rod of the utility model.

[0046] Figure 7 It is a schematic diagram of the working process of the utility model.

[0047] In the figure: 1. base; 2. movable plate; 3. material cup; 4. supporting shaft; 5. first motor; 6. heater; 7. sealing cover; 8. telescopic tube; 9. cooling tube; 10. cooling chamber; 11. collector; 12. push plate; 13. connecting block; 14. first magnet; 15. second magnet; 16. electric push rod; 17. mounting plate; 18. rotating rod; 19. movable rod; 20. stirring head; 21. connecting gear; 22. transmission gear; 23. second motor; 24. reset spring; 25. traction rope; 26. third magnet; 27. fourth magnet; 28. movable head; 29. ​​transmission block. DETAILED DESCRIPTION

[0048] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0049] See also Figure 1-Figure 7 The utility model provides the following technical solution: an automated control system for a refining process in the production process of triacetin, comprising a base 1, a feeding system, a heating system, a sealing system and a cooling system.

[0050] Embodiment 1:

[0051] The utility model provides an automatic control system for a refining process in the production process of triacetin, discloses a feeding system arranged above a base 1, the feeding system comprises a movable disk 2, a support shaft 4 and a first motor 5, a groove is provided on the movable disk 2, a material holding cup 3 is placed in the groove, and the liquid to be processed is held, and the middle part of the movable disk 2 is rotatably connected with the support shaft 4, the support shaft 4 is fixed above the base 1, and the first motor 5 is connected above the movable disk 2 to provide a rotating power for the movable disk 2, so that the movable disk 2 can drive the material holding cup 3 to move to realize feeding, a heating system is arranged below the material holding cup 3, and the heating system is composed of a heater 6, and a sealing system is arranged on the movable disk 2. Above the plate 2, the upper opening of the material cup 3 is sealed, and the sealing gas system is externally connected to a cooling system, the sealing system includes a sealing cover 7, a telescopic tube 8 and an electric push rod 16, the sealing cover 7 is arranged above the base 1 to cover the opening of the material cup 3, the telescopic tube 8 is fixed above the sealing cover 7, the electric push rod 16 is installed on the outside of the sealing cover 7 to control the vertical movement of the sealing cover 7, and the upper end of the electric push rod 16 is connected to the base 1, the cooling system includes a cooling pipe 9 and a cooling chamber 10, the cooling pipe 9 is fixed above the telescopic tube 8, and a collector 11 is placed at the lower end opening of the cooling pipe 9, and the cooling chamber 10 is arranged on the outside of the cooling pipe 9;

[0052] When in use, the raw materials to be processed can be placed in the material cup 3, and the material cup 3 can be placed on the movable disk 2. Then, the system can control the first motor 5 to drive the movable disk 2 to rotate, and the material cup 3 can be turned to the top of the heater 6 so that the heater 6 can heat it. The electric push rod 16 is used to control the sealing cover 7 to move downward to cover the top of the material cup 3. The heated and evaporated gas enters the cooling pipe 9 and is cooled and then discharged into the collector 11. After the distillation is completed, the sealing cover 7 can be lifted upward, and the movable disk 2 can be controlled to rotate to turn the material cup 3 outward, so as to facilitate subsequent processing.

[0053] Embodiment 2:

[0054] On the basis of Example 1, it is disclosed that a material ejection system is arranged below the movable disk 2, and the material cup 3 is automatically ejected after being moved out. The material ejection system includes a push plate 12, a connecting block 13, a first magnet 14 and a second magnet 15. The push plate 12 is arranged below the material cup 3, the connecting block 13 is fixed below the push plate 12, and an up-and-down sliding structure is formed between the connecting block 13 and the base 1, the first magnet 14 is fixed on the outside of the connecting block 13, and the second magnet 15 is fixed below the movable disk 2 and between the first magnet 14, and the magnetic poles of opposite names are arranged relative to each other;

[0055] When the material cup 3 rotates with the movable disk 2 to the top of the push plate 12, the first magnet 14 and the second magnet 15 are opposite to each other, and the first magnet 14 is attracted by the second magnet 15 to drive the connecting block 13 and the push plate 12 to move upward, pushing the material cup 3 upward to facilitate taking. Subsequently, when the positions of the material cup 3 and the push plate 12 are staggered, the push plate 12 can fall downward under the action of its own gravity, so that the subsequent material cup 3 can continue to move to the top of the push plate 12 and be pushed up. Embodiment 3:

[0056] On the basis of Example 1, it is disclosed that a stirring system is arranged inside the sealing cover 7, and the stirring system includes a mounting plate 17, a rotating rod 18, a movable rod 19, a stirring head 20, a connecting gear 21, a transmission gear 22, a second motor 23 and an automatic telescopic system. The mounting plate 17 is fixed inside the sealing cover 7, the rotating rod 18 is rotatably mounted below the mounting plate 17, the movable rod 19 is arranged inside the rotating rod 18 and between the rotating rod 18 to form an up and down sliding structure, and a transmission block 29 is fixed on the outside of the movable rod 19 to keep the movable rod 19 and the rotating rod 18 rotating synchronously, the stirring head 20 is fixed at the lower end of the movable rod 19, the connecting gear 21 is fixed above the rotating rod 18, the transmission gear 22 is arranged on the outside of the connecting gear 21 and between the connecting gear 21 to form a meshing connection, the second motor 23, and the transmission gear 22 is connected to control the rotation of the transmission gear 22, the automatic telescopic system is arranged above the movable rod 19 to control the telescopic movement of the movable rod 19, and the automatic telescopic system includes a reset spring 24, a traction rope 25, a third magnet 26, a fourth magnet 27 and a movable head 28. The reset spring 24 is arranged above the movable rod 19 to provide a downward thrust for the movable rod 19, the traction rope 25 is installed above the movable rod 19 to control the movement of the movable rod 19, the third magnet 26 is arranged inside the mounting plate 17 and between the mounting plate 17 to form a left-right sliding structure, and the third magnet 26 is connected to the upper end of the traction rope 25, the fourth magnet 27 is fixed above the base 1, and the fourth magnet 27 and the third magnet 26 are arranged with opposite poles, the movable head 28 is rotatably installed above the movable rod 19, and the movable head 28 is connected to the traction rope 25;

[0057] When the sealing cover 7 is controlled to move downward, the positions of the third magnet 26 and the fourth magnet 27 are staggered. At this time, the reset spring 24 will push the movable rod 19 to move downward, so that the movable rod 19 drives the stirring head 20 to enter the material cup 3, and the second motor 23 is started to drive the transmission gear 22 to rotate. The transmission gear 22 drives the rotating rod 18 to rotate through the engagement with the connecting gear 21. The rotating rod 18 drives the movable rod 19 to rotate synchronously through the transmission block 29 to stir the liquid in the material cup 3. Subsequently, when the sealing cover 7 is lifted upward, the third magnet 26 and the fourth magnet 27 are relative, and the third magnet 26 moves to pull the movable rod 19 through the traction rope 25 to move, and the movable rod 19 is collected in the rotating rod 18, so that the subsequent movable disk 2 can rotate smoothly.

[0058] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

Claims

1. An automated control system for a refining process in the production process of triacetin, comprising a base (1), a feeding system, a heating system, a sealing system and a cooling system; Features: The feeding system is arranged above the base (1), and comprises a movable disk (2), a support shaft (4) and a first motor (5); the movable disk (2) is provided with a groove, a material cup (3) is placed in the groove, and the liquid to be treated is contained therein; the middle of the movable disk (2) is rotatably connected to the support shaft (4), the support shaft (4) is fixed above the base (1), and the upper part of the movable disk (2) is connected to the first motor (5) to provide rotational power for the movable disk (2), so that the movable disk (2) can drive the material cup (3) to move and realize feeding; the heating system is arranged below the material cup (3), and the heating system is composed of a heater (6); the sealing system is arranged above the movable disk (2), and the upper opening of the material cup (3) is sealed, and the sealing system is externally connected to a cooling system.

2. The automatic control system for the refining process in the production process of triacetin according to claim 1, characterized in that: A material ejection system is provided below the movable plate (2) to automatically eject the material cup (3) after it is removed.

3. The automatic control system for the refining process in the production process of triacetin according to claim 2, characterized in that: The ejection system comprises a push plate (12), a connection block (13), a first magnet (14) and a second magnet (15); A push plate (12) is arranged below the material holding cup (3); A connecting block (13) is fixed below the push plate (12), and an up-and-down sliding structure is formed between the connecting block (13) and the base (1); A first magnet (14) is fixed on the outside of the connecting block (13); The second magnet (15) is fixed below the movable disk (2) and is arranged opposite to the first magnet (14) with opposite magnetic poles.

4. The automatic control system for the refining process in the production process of triacetin according to claim 1, characterized in that: The sealing system comprises a sealing cover (7), a telescopic tube (8) and an electric push rod (16); A sealing cover (7) is arranged above the base (1) to cover the opening of the material holding cup (3); A telescopic tube (8) fixed above the sealing cover (7); An electric push rod (16) is installed on the outside of the sealing cover (7) to control the vertical movement of the sealing cover (7), and the upper end of the electric push rod (16) is connected to the base (1).

5. The automatic control system for the refining process in the production process of triacetin according to claim 4, characterized in that: The cooling system comprises a cooling pipe (9) and a cooling chamber (10); A cooling pipe (9) is fixed above the telescopic pipe (8), and a collector (11) is placed at the opening of the lower end of the cooling pipe (9); The cooling chamber (10) is arranged outside the cooling pipe (9).

6. The automated control system for the refining process in the production process of triacetin according to claim 4 or 5, characterized in that: A stirring system is arranged inside the sealing cover (7), and the stirring system comprises a mounting plate (17), a rotating rod (18), a movable rod (19), a stirring head (20), a connecting gear (21), a transmission gear (22), a second motor (23) and an automatic telescopic system; A mounting plate (17) fixed inside the sealing cover (7); A rotating rod (18) is rotatably mounted below the mounting plate (17); A movable rod (19) is arranged inside the rotating rod (18) and between the rotating rod (18) to form an up-and-down sliding structure, and a transmission block (29) is fixed on the outside of the movable rod (19) so that the movable rod (19) and the rotating rod (18) can rotate synchronously; A stirring head (20) is fixed to the lower end of the movable rod (19); A connecting gear (21) is fixed above the rotating rod (18); A transmission gear (22) is arranged on the outer side of the connecting gear (21) and is meshedly connected with the connecting gear (21); A second motor (23) connected to the transmission gear (22) to control the rotation of the transmission gear (22); An automatic telescopic system is arranged above the movable rod (19) to control the telescopic movement of the movable rod (19).

7. The automated control system for the refining process in the production process of triacetin according to claim 6, characterized in that: The automatic telescopic system comprises a return spring (24), a traction rope (25), a third magnet (26), a fourth magnet (27) and a movable head (28); A return spring (24) is arranged above the movable rod (19) to provide a downward thrust for the movable rod (19); A traction rope (25) is installed above the movable rod (19) to control the movement of the movable rod (19); A third magnet (26) is arranged inside the mounting plate (17) and between the mounting plate (17) to form a left-right sliding structure, and the third magnet (26) is connected to the upper end of the traction rope (25); A fourth magnet (27) is fixed above the base (1), and the fourth magnet (27) and the third magnet (26) are arranged opposite to each other with opposite magnetic poles. The movable head (28) is rotatably mounted above the movable rod (19), and the movable head (28) is connected to the traction rope (25).

Images