Esterification reaction kettle

Abstract

The utility model belongs to the technical field of chemical equipment, and particularly relates to an esterification reaction kettle, which comprises a kettle body, an esterification reaction kettle and an esterification reaction kettle, the stirring mechanism comprises a motor, a rotating shaft, spiral blades, stirring rods, bearings and stirring blades, the two spiral blades are fixedly connected to the top and the bottom of the rotating shaft respectively, the multiple stirring rods are arranged on the rotating shaft, the multiple bearings are rotationally connected to the stirring rods, the multiple stirring blades are arranged on the outer sides of the bearings, and the motor drives the rotating shaft to rotate; wherein the stirring mechanism is arranged in the kettle body, the esterification reaction kettle provided by the utility model realizes a multi-layer and multi-dimensional stirring effect through the rotating rod driven by the motor, the spiral blades fixed at the top and the bottom in a matched manner, and the stirring rod, the bearing and the stirring blades which are arranged on the rotating rod; and reactants can be more uniformly mixed in the kettle body, so that the reaction efficiency and uniformity are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of chemical equipment, and particularly relates to an esterification reactor. Background Art

[0002] A reactor is an experimental and production device widely used in the fields of chemistry, chemical engineering, medicine, materials, etc., and is mainly used for chemical reaction, mixing, dissolving, synthesis, polymerization, fermentation and other process operations. It usually consists of a kettle body, a stirrer, a transmission device, a heating / cooling system, a sealing device and a control system.

[0003] The utility model with the application number CN201420321765.0 discloses a novel special reactor for esterification reaction, including a reactor body, a feed inlet is arranged at the upper end of the reactor body, a discharge outlet is arranged at the lower end, a gas outlet is arranged on the side wall of the reactor body, and further includes a controller. A heat exchanger and a temperature sensor are arranged inside the reactor body, and a vacuum pressure gauge is arranged on the top of the reactor body. The vacuum pressure gauge, the heat exchanger and the temperature sensor are respectively electrically connected to the controller. A ceramic layer is arranged on the inner wall surface of the reactor body, and a jacket is arranged on the outer surface of the side wall of the reactor body. The utility model has a simple structure, novel design, safe and reliable operation, good quality of the finished product, and greatly shortened reaction time, and has good practicability. When the reactants inside the reactor in the utility model are stirred and reacted, the reactants are prone to insufficient reaction, which affects the working efficiency of the reactor. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an esterification reactor for making the reactants mix more evenly in the kettle body in view of the above existing technical problems.

[0005] In view of this, the utility model provides an esterification reactor, including: a kettle body, the kettle body includes a feed inlet and a discharge outlet; further includes: a stirring mechanism, the stirring mechanism includes a motor, a rotating shaft, spiral blades, stirring rods, bearings and stirring blades. The two spiral blades are respectively fixedly connected to the top and bottom of the rotating shaft. A plurality of the stirring rods are arranged on the rotating shaft. A plurality of the bearings are rotatably connected to the stirring rods. A plurality of the stirring blades are arranged outside the bearings. The motor drives the rotating shaft to rotate; wherein, the stirring mechanism is arranged inside the kettle body.

[0006] In this technical solution, through the rotating rod driven by the motor, cooperating with the spiral blades fixed at the top and bottom, as well as the stirring rods, bearings and stirring blades arranged on the rotating rod, a multi-level and multi-dimensional stirring effect is achieved, which helps the reactants to mix more evenly in the kettle body, improving the reaction efficiency and uniformity.

[0007] In the above technical solution, further, the stirring mechanism further includes: a scraper, a plurality of the scrapers are connected to the rotating shaft through fixing rods, and the scraper is attached to the inner wall of the kettle body; through grooves, a plurality of through grooves are uniformly opened on the side wall of the scraper, and the cross section of the scraper is a triangular structure; L-shaped grooves, two L-shaped grooves are penetrated and opened on the stirring blades; wherein, the motor is arranged at the top of the kettle body, and the two spiral blades have opposite spiral directions.

[0008] In the above technical solution, further, a discharge pipe is arranged at the discharge port, and a closing mechanism is arranged at the discharge pipe.

[0009] In the above technical solution, further, the closing mechanism includes: a fixed seat, the fixed seat is arranged on the discharge pipe, through holes are symmetrically opened on the left and right sides of the top of the fixed seat in the discharge pipe; sliding rods, two sliding rods are slidably connected in the through holes, the top of the sliding rod is fixedly connected with a fixed block, and a first groove is opened at the bottom of the sliding rod; rotating rods, two rotating rods are rotatably connected to the bottom ends of the sliding rods, a second groove is opened at the top of the rotating rod, and a notch communicating with the second groove is opened at the top front of the rotating rod; a limiting rod, the limiting rod is slidably connected in the second groove, a spring is fixedly connected to the bottom end of the limiting rod, a moving block is fixedly connected to the front of the limiting rod, and the moving block is slidably connected in the notch; a connecting rod, the connecting rod is fixedly connected between the bottom ends of the rotating rods; a rotating member, the rotating member is rotatably connected to the connecting rod; an end cover, the end cover is rotatably connected to the rotating member; threads, the threads are arranged on the discharge pipe, and the end cover is threadedly connected to the discharge pipe through the threads.

[0010] In the above technical solution, further, a plurality of fixing hooks are rotatably connected to the front of the fixed seat.

[0011] The beneficial effects of the present utility model are:

[0012] 1. Through the rotating rod driven by the motor, cooperating with the spiral blades fixed at the top and bottom, as well as the stirring rods, bearings and stirring blades arranged on the rotating rod, a multi-level and multi-dimensional stirring effect is achieved, which helps the reactants to be more evenly mixed in the kettle body, improving the reaction efficiency and uniformity.

[0013] 2. The scraper adopts a triangular structure and is provided with through grooves. This design not only enhances the contact area between the scraper and the inner wall of the kettle body, but also helps the reactants to flow between the scrapers, further improving the cleaning effect. The two spiral blades have opposite spiral directions, and this design can further enhance the stirring effect, promote the circulating flow of the reactants in the kettle body, reduce dead corners, and improve the reaction efficiency.

[0014] 3. When the discharge pipe needs to be closed, rotate the rotating rod below the sliding rod. The spring can drive the limiting rod to insert into the first groove, fixing the rotating rod to the sliding rod. Push the sliding rod upward so that the end cover contacts the discharge pipe, and rotate the end cover to threadedly connect the end cover to the discharge pipe, achieving the closing of the discharge pipe.

[0015] 4. When the discharge pipe needs to work, slide the moving block downward. The limiting rod leaves the first groove, enabling the rotating rod to rotate. Rotate the rotating rod upward, and then rotate the fixing hook to fix the connecting rod, preventing the end cover from affecting the normal operation of the discharge pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0017] Figure 1 Structural schematic diagram of the specific embodiment of the present invention.

[0018] Figure 2 Structural schematic diagram of the stirring blade of the present invention.

[0019] Figure 3 Structural schematic diagram of the scraping plate of the present invention.

[0020] Figure 4 Structural schematic diagram of the closing mechanism of the present invention.

[0021] Figure 5 Structural schematic diagram of the limiting rod of the present invention.

[0022] The markings in the figures are shown as:

[0023] 1. Kettle body; 11. Feed inlet; 12. Discharge outlet; 2. Stirring mechanism; 21. Motor; 22. Rotating shaft; 23. Spiral blade; 24. Stirring rod; 25. Bearing; 26. Stirring blade; 27. Scraping plate; 28. Through groove; 29. L-shaped groove; 3. Discharge pipe; 4. Closing mechanism; 41. Fixed seat; 42. Through hole; 43. Sliding rod; 44. Fixed block; 45. First groove; 46. Rotating rod; 47. Second groove; 48. Notch; 49. Limiting rod; 410. Spring; 411. Moving block; 412. Connecting rod; 413. Rotating part; 414. End cover; 415. Thread; 5. Fixing hook. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0025] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments of the present application. For the convenience of description, the dimensions of each part shown in the drawings are not drawn in actual proportional relationship. Technologies, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the said technologies, methods, and devices should be regarded as part of the authorization specification. In all the examples shown and discussed here, any specific value should be construed as merely exemplary and not as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further discussed in the subsequent drawings.

[0026] Embodiment 1:

[0027] The embodiment of the present application provides an esterification reactor, including:

[0028] A kettle body 1, the kettle body 1 includes a feed inlet 11 and a discharge outlet 12;

[0029] A stirring mechanism 2, the stirring mechanism 2 includes a motor 21, a rotating shaft 22, spiral blades 23, stirring rods 24, bearings 25 and stirring blades 26. Two spiral blades 23 are respectively fixedly connected to the top and bottom of the rotating shaft 22. A plurality of stirring rods 24 are arranged on the rotating shaft 22. A plurality of bearings 25 are rotatably connected to the stirring rods 24. A plurality of stirring blades 26 are arranged outside the bearings 25. The motor 21 drives the rotating shaft 22 to rotate;

[0030] Wherein, the stirring mechanism 2 is arranged inside the kettle body 1.

[0031] In this embodiment, referring to Figure 1 and Figure 2 as shown, through the rotating rod 46 driven by the motor 21, in cooperation with the spiral blades 23 fixed at the top and bottom, as well as the stirring rods 24, bearings 25 and stirring blades 26 arranged on the rotating rod 46, a multi-level and multi-dimensional stirring effect is achieved, which helps the reactants to be more evenly mixed inside the kettle body 1, improving the reaction efficiency and uniformity.

[0032] Embodiment 2:

[0033] This embodiment provides an esterification reactor. In addition to including the technical solutions of the above embodiment, it also has the following technical features. The stirring mechanism 2 further includes:

[0034] Scrapers 27. A plurality of scrapers 27 are connected to the rotating shaft 22 through fixing rods, and the scrapers 27 are attached to the inner wall of the kettle body 1;

[0035] Through grooves 28. A plurality of through grooves 28 are evenly opened on the side walls of the scrapers 27, and the cross-section of the scrapers 27 is a triangular structure;

[0036] L-shaped grooves 29. Two L-shaped grooves 29 are penetrated and opened on the stirring blades 26;

[0037] Wherein, the motor 21 is arranged at the top of the kettle body 1, and the two spiral blades 23 have opposite spiral directions.

[0038] In this embodiment, referring to Figure 1 、 Figure 2 and Figure 3 As shown, the scraper 27 adopts a triangular structure and is provided with through grooves 28. This design not only enhances the contact area between the scraper 27 and the inner wall of the kettle body 1, but also helps the reactants to flow between the scrapers 27, further improving the cleaning effect. The two spiral blades 23 have opposite spiral directions. This design can further enhance the stirring effect, promote the circulating flow of the reactants in the kettle body 1, reduce dead corners, and improve the reaction efficiency.

[0039] Embodiment 3:

[0040] This embodiment provides an esterification reactor. In addition to including the technical solutions of the above embodiment, it also has the following technical features. A discharge pipe 3 is arranged at the discharge port 12, and a closing mechanism 4 is arranged at the discharge pipe 3. The closing mechanism 4 includes:

[0041] Fixed seat 41. The fixed seat 41 is arranged on the discharge pipe 3, and through holes 42 are symmetrically opened on the left and right sides of the top of the fixed seat 41 on the discharge pipe 3;

[0042] Slide rods 43. Two slide rods 43 are slidably connected in the through holes 42. The top ends of the slide rods 43 are fixedly connected with fixed blocks 44, and first grooves 45 are opened at the bottoms of the slide rods 43;

[0043] Rotating rods 46. Two rotating rods 46 are rotatably connected to the bottom ends of the slide rods 43. Second grooves 47 are opened at the tops of the rotating rods 46, and notch openings 48 communicating with the second grooves 47 are opened at the tops of the fronts of the rotating rods 46;

[0044] Limit rods 49. The limit rods 49 are slidably connected in the second grooves 47. The bottom ends of the limit rods 49 are fixedly connected with springs 410, and moving blocks 411 are fixedly connected to the fronts of the limit rods 49. The moving blocks 411 are slidably connected in the notch openings 48;

[0045] The connecting rod 412 is fixedly connected between the bottom ends of the rotating rods 46;

[0046] The rotating member 413 is rotatably connected to the connecting rod 412;

[0047] The end cover 414 is rotatably connected to the rotating member 413;

[0048] The thread 415 is provided on the discharge pipe 3, and the end cover 414 is threadedly connected to the discharge pipe 3 through the thread 415.

[0049] In this embodiment, referring to Figure 1 、 Figure 4 and Figure 5 As shown, when it is necessary to close the discharge pipe 3, the rotating rod 46 is rotated below the sliding rod 43, and the spring 410 can drive the limiting rod 49 to insert into the first groove 45, so that the rotating rod 46 is fixed to the sliding rod 43. Push the sliding rod 43 upward to make the end cover 414 contact the discharge pipe 3, and rotate the end cover 414 to threadedly connect the end cover 414 to the discharge pipe 3, realizing the closing of the discharge pipe 3.

[0050] Embodiment 4:

[0051] This embodiment provides an esterification reactor. In addition to including the technical solutions of the above embodiments, it also has the following technical features: several fixing hooks 5 are rotatably connected to the front surface of the fixing seat 41.

[0052] In this embodiment, referring to Figure 1 and Figure 4 As shown, when the discharge pipe 3 needs to work, slide the moving block 411 downward, and the limiting rod 49 leaves the first groove 45, so that the rotating rod 46 can rotate. The rotating rod 46 rotates upward, and then rotate the fixing hook 5 to fix the connecting rod 412 to prevent the end cover 414 from affecting the normal operation of the discharge pipe 3.

[0053] The embodiments of the present application have been described above in conjunction with the accompanying drawings. Without conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present application, those of ordinary skill in the art can also make many forms without departing from the purpose of the present application and the scope protected by the claims, and all of them belong to the protection scope of the present application.

Claims

1. An esterification reactor, comprising: A kettle body (1), wherein the kettle body (1) comprises a feed inlet (11) and a discharge outlet (12); It is characterized by further comprising: A stirring mechanism (2), the stirring mechanism (2) comprising a motor (21), a rotating shaft (22), a spiral blade (23), a stirring rod (24), a bearing (25) and a stirring blade (26), wherein the two spiral blades (23) are respectively fixedly connected to the top and the bottom of the rotating shaft (22), a plurality of stirring rods (24) are arranged on the rotating shaft (22), a plurality of bearings (25) are rotatably connected to the stirring rods (24), a plurality of stirring blades (26) are arranged on the outside of the bearings (25), and the motor (21) drives the rotating shaft (22) to rotate; Wherein, the stirring mechanism (2) is arranged in the kettle body (1).

2. An esterification reaction kettle according to claim 1, characterized in that: The stirring mechanism (2) further comprises: A scraper (27), wherein a plurality of the scrapers (27) are connected to the rotating shaft (22) via a fixing rod, and the scrapers (27) are in contact with the inner wall of the kettle body (1); Through grooves (28), a plurality of through grooves (28) are evenly arranged on the side wall of the scraper (27), and the cross section of the scraper (27) is a triangular structure; L-shaped grooves (29), two L-shaped grooves (29) are formed through the stirring blade (26); The motor (21) is arranged at the top of the kettle body (1), and the two spiral blades (23) rotate in opposite directions.

3. An esterification reaction kettle according to claim 1, characterized in that: A discharge pipe (3) is provided at the discharge port (12), and a closing mechanism (4) is provided at the discharge pipe (3).

4. An esterification reaction kettle according to claim 3, characterized in that: The closing mechanism (4) comprises: A fixing seat (41), the fixing seat (41) being arranged on the discharge pipe (3), and a top end of the fixing seat (41) being symmetrically provided with through holes (42) on the left and right sides of the discharge pipe (3); Sliding rods (43), two of the sliding rods (43) are slidably connected in the through hole (42), the top ends of the sliding rods (43) are fixedly connected with a fixing block (44), and the bottom ends of the sliding rods (43) are provided with a first groove (45); Rotating rods (46), two rotating rods (46) are rotatably connected to the bottom end of the sliding rod (43), a second groove (47) is formed on the top of the rotating rod (46), and a notch (48) communicating with the second groove (47) is formed on the top of the front face of the rotating rod (46); A limiting rod (49), the limiting rod (49) is slidably connected in the second groove (47), a spring (410) is fixedly connected to the bottom end of the limiting rod (49), a moving block (411) is fixedly connected to the front of the limiting rod (49), and the moving block (411) is slidably connected in the notch (48); A connecting rod (412), wherein the connecting rod (412) is fixedly connected between the bottom ends of the rotating rods (46); A rotating member (413), wherein the rotating member (413) is rotatably connected to the connecting rod (412); an end cover (414), wherein the end cover (414) is rotatably connected to the rotating member (413); The thread (415) is arranged on the discharge pipe (3), and the end cover (414) is connected to the thread (415) of the discharge pipe (3) through the thread (415).

5. An esterification reaction kettle according to claim 4, characterized in that: The front side of the fixing seat (41) is rotatably connected to a plurality of fixing hooks (5).

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