Rectification device for producing isooctyl methacrylate
By designing a distillation device including a furnace body, a condensing bucket, a liquid collection basin, an evaporation plate and a heating device, the problem that the existing device can only undergo one distillation, and the synchronization of primary distillation and secondary distillation is achieved, improving the distillation efficiency and directly collecting the secondary distillation liquid.
Patent Information
- Application Number
- CN202421342718.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-13
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-06-13
AI Technical Summary
The existing isooctyl methacrylate distillation device can only undergo one distillation treatment, which is low in efficiency, and cannot perform multiple distillations at the same time, and the secondary distillation liquid cannot be collected directly.
A distillation device including a furnace body, a condensing bucket, a liquid collection basin, an evaporation disk and a heating device is designed. The primary distillation and secondary distillation are synchronized through the evaporation disk and a condensing bucket in the furnace body, so as to directly collect the secondary distillation liquid.
The synchronous operation of primary distillation and secondary distillation is achieved, which improves the distillation efficiency and avoids the trouble of intermediate operation. The secondary distillation liquid is directly collected.
Smart Images
Figure CN222585594U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of isooctyl methacrylate production, and in particular relates to a rectification device for producing isooctyl methacrylate. Background Art
[0002] Isooctyl methacrylate commonly used in industry also contains various impurities, such as water acid, peroxides and heavy metals. In some fields, the purity of isooctyl methacrylate is required to be high, so it needs to be distilled. The more commonly used distillation method is generally to add isooctyl methacrylate to a special distillation device, heat it to a certain boiling point, collect the primary distillate first, and then perform secondary distillation on the primary distillate to collect the secondary distillate. The current distillation device can only perform one distillation treatment on isooctyl methacrylate, and the efficiency is relatively low. It is impossible to perform multiple distillations simultaneously, and it is impossible to directly obtain the secondary distillate at one time. Utility Model Content
[0003] In view of the above problems, the purpose of the utility model is to provide a distillation device for the production of isooctyl methacrylate, so as to solve the problem that the current distillation device can only perform a single distillation treatment on isooctyl methacrylate, the efficiency is relatively low, multiple distillations cannot be performed simultaneously, and the secondary distillate cannot be directly obtained at one time.
[0004] To achieve the above objectives, the utility model adopts the following technical solution: a distillation device for producing isooctyl methacrylate, comprising a furnace body, a base is provided at the lower side of the furnace body, a support rod is provided at the lower side of the base, a control valve is provided on one side of the lower side of the furnace body, a drain pipe is provided on the lower side of the control valve, a liquid adding port is provided on one side of the side of the furnace body, a heating ring is provided at the bottom of the side of the furnace body, a heating device is provided on one side of the heating ring, a condensation hopper is provided on the upper inner side of the furnace body, the condensation hopper is connected from top to bottom, the inner side of the condensation hopper is hollow, both sides of the condensation hopper are provided with a liquid exchange port, the liquid exchange port passes through the furnace body to the outside, a liquid collecting basin is provided on the lower side of the condensation hopper, a solid liquid collecting basin and the inner side of the furnace body are provided between the liquid collecting basin and the inner side of the furnace body. A fixed block, the lower side of the condensation bucket is close to the inner bottom of the liquid collecting basin, there is a gap between the outer side of the condensation bucket and the inner wall of the liquid collecting basin, a pump is arranged on the outer side of the furnace body, a liquid extraction pipe is arranged between the lower side of the pump and the inner side of the liquid collecting basin, a liquid delivery pipe is arranged on the upper side of the pump, the liquid delivery pipe passes through the furnace body to the inner side where a liquid guide ring is arranged, nozzles are equidistantly arranged on the lower side of the liquid guide ring, an evaporation plate is arranged between the liquid guide ring and the condensation bucket, the evaporation plate and the furnace body are fixedly connected, the middle part of the evaporation plate is penetrated, the upper side of the evaporation plate is inclined downward towards the middle, a heating ring 2 is arranged on the lower side of the evaporation plate, a heating device 2 is arranged on the outer side of the furnace body corresponding to the heating ring 2, the heating device 2 is connected to the heating ring 2, and an air outlet is arranged on the top of the furnace body.
[0005] The utility model has the beneficial effects of: the primary distillation and the secondary distillation can be performed relatively synchronously, the secondary distillate is directly collected after being discharged from the furnace body, the distillation efficiency is increased, and the trouble of intermediate operation is avoided.
[0006] In order to initially cool down the steam;
[0007] As a further improvement of the above technical solution: a preliminary cooling plate is arranged on the lower side of the liquid collecting basin, the inner side of the preliminary cooling plate is hollow, both sides of the preliminary cooling plate are connected with liquid exchange ports 2, the liquid exchange ports 2 pass through the furnace body to the outside, and the upper side of the preliminary cooling plate is sealed and through-opened with fine holes.
[0008] The beneficial effects of this improvement are as follows: a preliminary cooling plate is provided, and the preliminary cooling plate is connected to an external water cooling device through two liquid exchange ports on both sides. The steam rises through the fine holes of the preliminary cooling plate, and the fine holes can greatly increase the contact area with the steam. By controlling the heat exchange efficiency of the water cooling device, the steam is initially cooled down to reach an atomized state, so that the steam can be quickly condensed when it contacts the condensation bucket.
[0009] To avoid steam leakage;
[0010] As a further improvement of the above technical solution: the plug-in connections between the first liquid exchange port, the liquid extraction pipe, the liquid delivery pipe and the second liquid exchange port and the furnace body are all sealed.
[0011] The beneficial effect of the present improvement is that the plug-in connections between the first liquid exchange port, the liquid extraction pipe, the liquid delivery pipe and the second liquid exchange port and the furnace body are all sealed to prevent steam from leaking out.
[0012] In order to increase the contact area between the condenser and the steam;
[0013] As a further improvement of the above technical solution: the lower side of the condensation hopper is a rough contact surface covered with mesh grooves.
[0014] The beneficial effect of this improvement is that the lower side of the condensation bucket is a rough contact surface covered with mesh grooves, which increases the contact area between the condensation bucket and the steam.
[0015] In order to increase the evaporation efficiency of the stock solution;
[0016] As a further improvement of the above technical solution: a motor is arranged in the middle of the lower side of the furnace body, the output end of the motor passes through the furnace body to the inside where a stirring rod is arranged, the output end of the motor is rotatably connected to the bottom of the furnace body, and the connection between the output end of the motor and the bottom of the furnace body is sealed.
[0017] The beneficial effect of this improvement is that by starting the motor, the output end of the motor drives the stirring rod to rotate, which is used to stir the stock liquid, increase the heat exchange effect between the stock liquids, and increase the evaporation efficiency of the stock liquid.
[0018] In order to prevent impurities from adhering to the inner wall of the furnace;
[0019] As a further improvement of the above technical solution: a bottom scraper rod is symmetrically arranged at the bottom of the stirring rod, and the bottom scraper rod is in close contact with the inner bottom of the furnace body. A side scraper rod is arranged at one end of the bottom scraper rod away from each other, and the side scraper rod is in close contact with the inner wall of the furnace body.
[0020] The beneficial effect of this improvement is that when the original liquid evaporates, some impurities and other crystals will adhere to the inner side of the furnace body. A bottom scraper rod and a side scraper rod are provided to scrape the side wall and bottom of the furnace body as the stirring rod rotates to prevent impurities from adhering to the inner wall of the furnace body.
[0021] In order to facilitate the observation of the distillation of the original liquid in the furnace;
[0022] As a further improvement of the above technical solution: an observation window is provided on the lower side of the side of the furnace body.
[0023] The beneficial effect of this improvement is that an observation window is provided on the lower side of the side of the furnace body, which is convenient for observing the distillation of the raw liquid in the furnace body.
[0024] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 It is a structural schematic diagram of the utility model;
[0026] Figure 2 The structure side view of the utility model Figure 1 ;
[0027] Figure 3 The structure side view of the utility model Figure 2 ;
[0028] Figure 4 It is a side structural sectional view of the utility model;
[0029] Figure 5 It is a schematic diagram of the structure of the preliminary cooling plate in the utility model;
[0030] In the figure: 1. furnace body; 2. base; 3. support rod; 4. control valve; 5. drain pipe; 6. liquid filling port; 7. heating ring 1; 8. heating device 1; 9. condensation bucket; 10. liquid exchange port 1; 11. liquid collecting basin; 12. pump; 13. liquid extraction pipe; 14. liquid delivery pipe; 15. liquid guide ring; 16. evaporation plate; 17. heating ring 2; 18. heating device 2; 19. air outlet; 20. preliminary cooling plate; 21. liquid exchange port 2; 22. motor; 23. stirring rod; 24. bottom scraper rod; 25. side scraper rod; 26. observation window. DETAILED DESCRIPTION
[0031] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the present invention.
[0032] like Figure 1 — Figure 5As shown: A distillation device for producing isooctyl methacrylate, comprising a furnace body 1, a base 2 is arranged at the lower side of the furnace body 1, a support rod 3 is arranged at the lower side of the base 2, a control valve 4 is arranged on one side of the lower side of the furnace body 1, a drain pipe 5 is arranged on the lower side of the control valve 4, a liquid adding port 6 is arranged on one side of the side of the furnace body 1, a heating ring 7 is arranged at the bottom of the side of the furnace body 1, a heating device 8 is arranged on one side of the heating ring 7, a condensation hopper 9 is arranged on the upper side of the inner side of the furnace body 1, the condensation hopper 9 is connected from top to bottom, and the condensation hopper 9 is connected from top to bottom. The inner side of the condensation bucket 9 is hollow, and both sides of the condensation bucket 9 are connected to each other with a liquid exchange port 10, and the liquid exchange port 10 passes through the furnace body 1 to the outside. A liquid collecting basin 11 is provided on the lower side of the condensation bucket 9, and a fixing block is provided between the liquid collecting basin 11 and the inner side of the furnace body 1. The lower side of the condensation bucket 9 is close to the inner bottom of the liquid collecting basin 11, and there is a gap between the outer side of the condensation bucket 9 and the inner side wall of the liquid collecting basin 11. A pump 12 is provided on one side of the outer side of the furnace body 1, and a liquid extraction pipe 13 is provided between the lower side of the pump 12 and the inner side of the liquid collecting basin 11. A liquid delivery pipe 14 is arranged on the upper side, and the liquid delivery pipe 14 passes through the furnace body 1 to the inner side thereof, and a liquid guide ring 15 is arranged on the lower side of the liquid guide ring 15, and nozzles are arranged equidistantly and circumferentially, and an evaporation plate 16 is arranged between the liquid guide ring 15 and the condensation bucket 9, and the evaporation plate 16 is fixedly connected to the furnace body 1, and the middle part of the evaporation plate 16 is penetrated, and the upper side of the evaporation plate 16 is arranged downwardly and inclined toward the middle part, and a heating ring 17 is arranged on the lower side of the evaporation plate 16, and a heating device 18 is arranged on the outer side of the furnace body 1 corresponding to the heating ring 17, and the heating device 18 and the heating ring 17 are connected to each other. The top of the furnace body 1 is connected with a gas outlet 19, so that the primary distillation and the secondary distillation can be carried out relatively synchronously. The secondary distillate is directly collected after being discharged from the furnace body 1, which increases the distillation efficiency and avoids the trouble of intermediate operation. The lower side of the liquid collecting basin 11 is provided with a preliminary cooling plate 20, the inner side of the preliminary cooling plate 20 is hollow, and both sides of the preliminary cooling plate 20 are connected with a liquid exchange port 21, and the liquid exchange port 21 penetrates the furnace body 1 to the outside. The upper side of the preliminary cooling plate 20 is sealed and penetrated with fine holes, and the preliminary cooling plate 20 is provided.The preliminary cooling plate 20 is connected to an external water cooling device through the liquid exchange ports 21 on both sides. The steam rises through the pores of the preliminary cooling plate 20. The pores can greatly increase the contact area with the steam. By controlling the heat exchange efficiency of the water cooling device, the steam is initially cooled down and reaches an atomized state, so that the steam can be quickly condensed when it contacts the condensation bucket 9. The plug-in connection between the liquid exchange port 10, the liquid extraction pipe 13, the liquid delivery pipe 14 and the liquid exchange port 21 and the furnace body 1 are all sealed. The plug-in connection between the liquid exchange port 10, the liquid extraction pipe 13, the liquid delivery pipe 14 and the liquid exchange port 21 and the furnace body 1 are all sealed. In order to prevent steam from leaking out, the lower side surface of the condensation bucket 9 is a rough contact surface covered with mesh grooves. The lower side surface of the condensation bucket 9 is a rough contact surface covered with mesh grooves, which increases the contact area between the condensation bucket 9 and the steam. A motor 22 is provided in the middle of the lower side of the furnace body 1. The output end of the motor 22 passes through the furnace body 1 to the inner side where a stirring rod 23 is provided. The output of the motor 22 The output end is rotatably connected to the bottom of the furnace body 1, and the output end of the motor 22 is sealed at the connection with the bottom of the furnace body 1. By starting the motor 22, the output end of the motor 22 drives the stirring rod 23 to rotate, which is used to stir the raw liquid, increase the heat exchange effect between the raw liquids, and increase the evaporation efficiency of the raw liquid. The bottom of the stirring rod 23 is symmetrically provided with a bottom scraper rod 24, and the bottom scraper rod 24 is in close contact with the inner bottom of the furnace body 1. The ends of the bottom scraper rod 24 that are away from each other are both provided with a side scraper rod 25, and the side scraper rod 25 is in close contact with the inner wall of the furnace body 1. When the raw liquid evaporates, some impurities and other crystals will adhere to the inner side of the furnace body 1. The bottom scraper rod 24 and the side scraper rod 25 are provided to scrape the side wall and bottom of the furnace body 1 as the stirring rod 23 rotates to prevent impurities from adhering to the inner wall of the furnace body 1. An observation window 26 is provided on the lower side of the side of the furnace body 1, and an observation window 26 is provided on the lower side of the side of the furnace body 1 to facilitate observation of the distillation of the raw liquid in the furnace body 1.
[0033] The working principle and use process of this utility model:
[0034] When in use, the isooctyl methacrylate stock solution is added to the inner side of the furnace body 1 through the liquid adding port 6, and the heating device 8 is started. The heating device 8 controls the heating ring 7 to heat the lower side of the furnace body 1 to a certain temperature. The isooctyl methacrylate stock solution is evaporated after being heated, and the steam rises to the vicinity of the condensation bucket 9. The two sides of the condensation bucket 9 are connected to the external water cooling device through the liquid replacement port 10. After the steam contacts the condensation bucket 9, it is quickly condensed to form a preliminary distillate, and then the preliminary distillate flows through the condensation bucket 9 into the liquid collecting basin 11, and the pump 12 is started. The pump 12 extracts the preliminary distillate from the liquid collecting basin 11 through the liquid extraction pipe 13, and then passes through The liquid delivery pipe 14 is fed into the inner side of the liquid guide ring 15, and then sprayed to the upper side of the evaporation disk 16 through the lower nozzle, and the heating ring 17 is heated by the heating device 18, and the heating ring 17 heats the evaporation disk 16. After the primary distillate falls on the evaporation disk 16, it will fall back into the liquid collecting basin 11 from the evaporation disk 16, and evaporate when it contacts the evaporation disk 16. The evaporated steam will be directly discharged through the gas outlet 19, and can be directly collected by the collecting device outside the gas outlet 19. In summary, the primary distillation and the secondary distillation can be performed relatively synchronously, and the secondary distillate is directly collected after being discharged from the furnace body 1, which increases the distillation. In order to improve efficiency and avoid the trouble of intermediate operation, a preliminary cooling plate 20 is provided, and the preliminary cooling plate 20 is connected to an external water cooling device through the liquid exchange ports 21 on both sides. The steam rises through the fine holes of the preliminary cooling plate 20, and the fine holes can greatly increase the contact area with the steam. By controlling the heat exchange efficiency of the water cooling device, the steam is initially cooled down to reach an atomized state, so that the steam can be quickly condensed when it contacts the condensation bucket 9. In addition, the plug-in connection between the liquid exchange port 10, the liquid extraction pipe 13, the liquid delivery pipe 14 and the liquid exchange port 21 and the furnace body 1 is sealed. In order to avoid leakage of steam, in addition, the lower side of the condensation bucket 9 is covered with The rough contact surface of the mesh groove increases the contact area between the condensation bucket 9 and the steam. In addition, by starting the motor 22, the output end of the motor 22 drives the stirring rod 23 to rotate, which is used to stir the raw liquid, increase the heat exchange effect between the raw liquids, and increase the evaporation efficiency of the raw liquid. In addition, when the raw liquid evaporates, some impurities and other crystals will adhere to the inner side of the furnace body 1. A bottom scraper 24 and a side scraper 25 are provided to scrape the side wall and bottom of the furnace body 1 as the stirring rod 23 rotates to prevent impurities from adhering to the inner wall of the furnace body 1. In addition, an observation window 26 is provided on the lower side of the side of the furnace body 1 to facilitate observation of the distillation of the raw liquid in the furnace body 1.
[0035] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.
[0036] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation of the present invention. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principles of the present invention, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.
Claims
1. A distillation device for producing isooctyl methacrylate, characterized in that: The invention comprises a furnace body (1), wherein a base (2) is arranged at the lower side of the furnace body (1), a support rod (3) is arranged at the lower side of the base (2), a control valve (4) is arranged on one side of the lower side of the furnace body (1), a liquid discharge pipe (5) is arranged on the lower side of the control valve (4), a liquid filling port (6) is arranged on one side of the side of the furnace body (1), a heating ring (7) is arranged at the bottom of the side of the furnace body (1), a heating device (8) is arranged on one side of the heating ring (7), and the furnace body (1) is provided with a heating device (8) at one side thereof. ) is provided with a condensation bucket (9) on the inner upper side, the condensation bucket (9) is connected from top to bottom, the inner side of the condensation bucket (9) is hollow, both sides of the condensation bucket (9) are connected and provided with a liquid exchange port (10), the liquid exchange port (10) passes through the furnace body (1) to the outside, the lower side of the condensation bucket (9) is provided with a liquid collection basin (11), a fixing block is provided between the liquid collection basin (11) and the inner side of the furnace body (1), the lower side of the condensation bucket (9) is close to the inner bottom of the liquid collection basin (11), the condensation bucket ( There is a gap between the outer side of the furnace body (9) and the inner side wall of the liquid collecting basin (11), a pump (12) is arranged on the outer side of the furnace body (1), a liquid extraction pipe (13) is arranged between the lower side of the pump (12) and the inner side of the liquid collecting basin (11), a liquid delivery pipe (14) is arranged on the upper side of the pump (12), the liquid delivery pipe (14) passes through the furnace body (1) to the inner side thereof, a liquid guide ring (15) is arranged, nozzles are arranged equidistantly around the lower side of the liquid guide ring (15), and a liquid guide ring (15) is arranged between the liquid guide ring (15) and the condensation bucket (9). An evaporation tray (16) is arranged between the furnace body (1), the evaporation tray (16) and the furnace body (1) are fixedly connected, the middle of the evaporation tray (16) is through, the upper side of the evaporation tray (16) is arranged to be inclined downward toward the middle, a heating ring (17) is arranged on the lower side of the evaporation tray (16), a heating device (18) is arranged on the outer side of the furnace body (1) corresponding to the heating ring (17), the heating device (18) is connected to the heating ring (17), and an air outlet (19) is arranged on the top of the furnace body (1).
2. A distillation device for producing isooctyl methacrylate according to claim 1, characterized in that: A preliminary cooling plate (20) is arranged at the lower side of the liquid collecting basin (11), the inner side of the preliminary cooling plate (20) is hollow, and two liquid exchange ports (21) are arranged on both sides of the preliminary cooling plate (20), and the two liquid exchange ports (21) penetrate the furnace body (1) to the outside, and fine holes are opened on the upper side of the preliminary cooling plate (20) in a sealed manner.
3. A distillation device for producing isooctyl methacrylate according to claim 2, characterized in that: The plug-in connections between the liquid exchange port 1 (10), the liquid extraction pipe (13), the liquid delivery pipe (14) and the liquid exchange port 2 (21) and the furnace body (1) are all sealed.
4. A distillation device for producing isooctyl methacrylate according to claim 1, characterized in that: The lower side of the condensation bucket (9) is a rough contact surface covered with mesh grooves.
5. A distillation device for producing isooctyl methacrylate according to claim 1, characterized in that: A motor (22) is arranged in the middle of the lower side of the furnace body (1); the output end of the motor (22) passes through the furnace body (1) to the inner side of which a stirring rod (23) is arranged; the output end of the motor (22) is rotatably connected to the bottom of the furnace body (1); and the connection between the output end of the motor (22) and the bottom of the furnace body (1) is sealed.
6. A distillation device for producing isooctyl methacrylate according to claim 5, characterized in that: A bottom scraper rod (24) is symmetrically arranged at the bottom of the stirring rod (23), and the bottom scraper rod (24) is in close contact with the inner bottom of the furnace body (1). Side scrapers (25) are arranged at ends of the bottom scrapers (24) that are away from each other, and the side scrapers (25) are in close contact with the inner wall of the furnace body (1).
7. A distillation device for producing isooctyl methacrylate according to claim 1, characterized in that: An observation window (26) is provided on the lower side of the side of the furnace body (1).