Tributyrin synthesis reactor and method

Abstract

The invention discloses a tributyrin synthesis reactor and method, and relates to the technical field of synthesis reactors, including a reactor body, a motor is arranged on the top of the reactor body, a drive shaft is fixedly connected to the output end of the motor, the drive shaft is rotatably installed in the reactor body, and a stirring assembly is arranged on the drive shaft. The tributyrin synthesis reactor and method realize uniform scattering and wide distribution of the catalyst in the reactor body by controlling the reciprocating rotation of the discharge plate, which avoids the accumulation or loss of the catalyst in certain areas, improves the efficiency and consistency of the chemical reaction, because more reactants can effectively contact the catalyst, thereby accelerating the chemical reaction rate, and the uniform distribution of the catalyst not only accelerates the reaction speed, but also improves the efficiency of the entire reaction process, and at the same time, this uniform distribution also helps to produce more consistent reaction products, thereby improving the quality and consistency of the final product.

Description

Technical Field

[0001] The invention relates to the technical field of synthesis reactors, and in particular to a tributyrin synthesis reactor and a method. Background Art

[0002] Tributyrin, as an important ester compound, has a wide range of applications in food, medicine, cosmetics and other fields. Its synthesis reaction usually needs to be carried out under specific temperature and pressure conditions, and requires an effective catalyst to accelerate the reaction process. At present, the common tributyrin synthesis reactors on the market mainly rely on traditional stirring and heating systems to complete this synthesis process.

[0003] In the prior art, a fixed agitator is usually used in a tributyrin synthesis reactor, which is driven by a motor to rotate in the reactor to achieve mixing of reactants. At the same time, the reactor is also equipped with a heating device to provide the temperature required for the reaction, and the catalyst is added to the reactor through a manual or automatic feeding system.

[0004] However, the prior art tributyrin synthesis reactor has the following significant defects:

[0005] Uneven distribution of catalyst: In the prior art, the catalyst is usually added to the reactor through a simple feeding system. Due to the fixed shape and position of the agitator, the distribution of the catalyst in the reactor is often not uniform, and local accumulation or missing is prone to occur, which not only reduces the utilization efficiency of the catalyst, but also may affect the reaction rate and product quality;

[0006] Low stirring efficiency: Traditional agitators have a limited stirring range in the reactor and a fixed stirring angle, making it difficult to break vortices and dead corners in the mixed liquid. This results in uneven distribution of components in the mixed liquid, affecting reaction efficiency and product consistency. Summary of the invention

[0007] In view of the deficiencies in the prior art, the present invention provides a tributyrin synthesis reactor and method, which solve the technical problems mentioned in the background technology.

[0008] To achieve the above purpose, the present invention is implemented by the following technical scheme: a tributyrin synthesis reactor, comprising a reactor body, a motor is arranged on the top of the reactor body, a drive shaft is fixedly connected to the output end of the motor, the drive shaft is rotatably installed in the reactor body, and a stirring assembly is arranged on the drive shaft;

[0009] The stirring assembly includes a movable disk arranged on the driving shaft, the bottom of the movable disk is fixedly connected to a fixed frame in a circular array, a row of stirring rods is arranged on the fixed frame, a pushing rod is arranged at the inner end of the stirring rod, a sliding rod is fixedly connected to the bottom of the pushing rod, the bottom of the sliding rod is slidably installed on the fixed frame, the bottom of the sliding rod is fixedly connected to a first frustum, and the first frustum is fixedly installed at the bottom of the driving shaft.

[0010] As a further preferred embodiment of the present technical solution, a plurality of spline rods are fixedly connected to the outer wall of the driving shaft in a circular array, and the moving disk is slidably mounted on the spline rods to drive the shaft.

[0011] As a further preferred embodiment of the present technical solution, the stirring rod is rotatably mounted on the fixed frame, an adjustment groove is provided at the inner end of the stirring rod, and the push rod is slidably mounted on the adjustment groove via a sliding shaft.

[0012] As a further preferred embodiment of the present technical solution, a material guide pipe is rotatably connected to the driving shaft, a second frustum is rotatably connected to the bottom of the material guide pipe, and the second frustum is rotatably mounted on the driving shaft, a plurality of baffles are fixedly connected to the side walls of the second frustum, and a discharge plate is rotatably connected between adjacent baffles.

[0013] As a further preferred embodiment of the present technical solution, the outer wall of the driving shaft is slidably connected to a shaft seat, and the outer wall of the shaft seat is rotatably connected to a control disk, and a connecting rod is fixedly connected to the top of the movable disk, and the top of the connecting rod is slidably connected to the bottom of the control disk, and a plurality of connecting rods are arranged in a circular array on the top of the control disk, and the other end of the connecting rod is rotatably connected to the bottom of the discharge plate.

[0014] As a further preferred embodiment of the present technical solution, a damping spring is fixedly connected to the bottom of the shaft seat, the damping spring is sleeved on the driving shaft, and a first fixed plate is fixedly connected to the bottom of the damping spring, and the first fixed plate is fixedly installed on the driving shaft.

[0015] As a further preferred embodiment of the present technical solution, a second fixed plate is fixedly connected to the outer wall of the drive shaft, a guide rod is fixedly connected to the bottom of the second fixed plate, an arc block is fixedly connected to the top of the control plate, and the position of the arc block corresponds to the position of the guide rod.

[0016] As a further preferred embodiment of the present technical solution, material boxes are fixedly connected to both sides of the top of the reactor body, a conveying pipe is fixedly connected to the bottom of the material box, the other end of the conveying pipe is fixedly connected to the top of the material guide pipe, and a discharge groove is provided on the side wall of the material guide pipe.

[0017] The present invention also discloses a synthesis method of a tributyrin synthesis reactor, which specifically comprises the following steps:

[0018] Step 1: Under nitrogen protection, pump the glycerol in the glycerol storage tank and part of the butyric acid in the butyric acid storage tank into the synthesis reactor body and heat them to 60-100°C. After stirring and mixing evenly, add p-toluenesulfonic acid as a catalyst to the discharge plate in the reactor body through the material box, the conveying pipe, the guide pipe, and the second truncated table, and then control the discharge plate through the control disk and the linkage rod to evenly sprinkle the additives in the reactor body, and use the stirring rod to stir and mix the mixed liquid in the reactor body, and then heat the synthesis reactor body to 120-180°C, control the distillation head temperature of the fractionation column to react at 100-120°C, and then pump the remaining butyric acid into the synthesis reactor body, and control the temperature at 120-180°C, and react for 3-10h to obtain a mixture A;

[0019] Step 2: Pump mixture A into a synthesis flash tank and heat it through a synthesis flash heater for flash evaporation. Then, pump the product into a condenser to cool it to below 80° C. and pump it into a distillation device for distillation to obtain refined tributyrin.

[0020] Compared with the prior art, it has the following beneficial effects:

[0021] By controlling the reciprocating rotation of the discharge plate, the catalyst is evenly scattered and widely distributed in the reactor body, which avoids the accumulation or loss of catalyst in certain areas and improves the efficiency and consistency of the chemical reaction. Because more reactants can effectively contact the catalyst, the chemical reaction rate is accelerated. The uniform distribution of the catalyst not only speeds up the reaction rate, but also improves the efficiency of the entire reaction process. At the same time, this uniform distribution also helps to produce more consistent reaction products, thereby improving the quality and consistency of the final product.

[0022] By controlling the up and down movement of the movable disk, the fixed frame and the stirring rod, the stirring range of the stirring rod in the reactor can be adjusted. This adjustment ensures that the mixed liquid can be fully stirred in every corner of the reactor, thereby improving the stirring efficiency; when the fixed frame moves up and down, the stirring rod can be located on the fixed frame and rotated, thereby changing the stirring angle of the stirring rod. This multi-angle stirring helps to break up eddies and dead corners in the mixed liquid, further improve the stirring effect, and ensure that the various components in the mixed liquid are more evenly distributed; by adjusting the stirring range and stirring angle, it can be ensured that the various components in the mixed liquid are more evenly distributed, thereby improving the quality and consistency of the product, which is crucial for chemical reactions because uniform mixing helps to speed up the reaction rate, improve reaction efficiency, and may reduce the generation of by-products. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the structure inside the reactor body of the present invention;

[0025] Figure 3 It is a structural schematic diagram of the stirring assembly in the present invention;

[0026] Figure 4 It is a schematic structural diagram of the driving shaft, the spline rod, the moving disk, the fixing frame, the stirring rod, the pushing rod, the sliding rod, and the first truncated table in the present invention;

[0027] Figure 5 It is a structural schematic diagram of the fixing frame, the stirring rod, the adjusting groove and the pushing rod in the present invention;

[0028] Figure 6 It is a schematic diagram of the structure of the drive shaft, the discharge plate, the linkage rod, the control plate, the damping spring, and the first fixed plate in the present invention;

[0029] Figure 7 It is a schematic structural diagram of the second truncated table, the baffle plate, the discharge plate and the linkage rod in the present invention;

[0030] Figure 8 It is a structural schematic diagram of the second fixed plate, the guide rod, the control plate, the arc block, and the first fixed plate in the present invention;

[0031] Fig. 9 It is a schematic diagram of the structure of the material box, the conveying pipe, the material guide pipe and the second truncated table in the present invention;

[0032] Fig.10 It is a schematic diagram of the structure of the control panel and the connecting rod in the present invention.

[0033] In the figure: 1, reactor body; 2, motor; 3, drive shaft; 4, stirring assembly; 41, spline rod; 42, moving plate; 43, fixed frame; 44, stirring rod; 45, adjusting groove; 46, pushing rod; 47, sliding rod; 48, first truncated table; 49, connecting rod; 410, material guide pipe; 411, second truncated table; 412, baffle; 413, discharge plate; 414, connecting rod; 415, control plate; 416, shaft seat; 417, damping spring; 418, first fixed plate; 419, arc block; 420, second fixed plate; 421, guide rod; 422, material box; 423, conveying pipe; 424, discharge trough. DETAILED DESCRIPTION

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings of the specification. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0035] Embodiment 1: Combination Figure 1-Figure 10 As shown, the present invention provides a technical solution: a tributyrin synthesis reactor, comprising a reactor body 1, a motor 2 is arranged on the top of the reactor body 1, a driving shaft 3 is fixedly connected to the output end of the motor 2, the driving shaft 3 is rotatably installed inside the reactor body 1, a stirring assembly 4 is arranged on the driving shaft 3, the stirring assembly 4 comprises a moving disk 42 arranged on the driving shaft 3, a fixed frame 43 is fixedly connected to the bottom of the moving disk 42 in a circumferential array, a row of stirring rods 44 are arranged on the fixed frame 43, a pushing rod 46 is arranged on the inner side end of the stirring rod 44, a sliding rod 47 is fixedly connected to the bottom of the pushing rod 46, the bottom of the sliding rod 47 is slidably installed on the fixed frame 43, a first round table 48 is fixedly connected to the bottom of the sliding rod 47, and the first round table 48 is fixedly installed at the bottom of the driving shaft 3. When the driving shaft 3 is driven to rotate by the motor 2, the moving disk 42 can be driven to rotate, and the moving disk 42 drives the fixed frame 43 and the stirring rod 44 to rotate, so that the stirring rod 44 stirs and mixes the mixed liquid in the reactor body 1;

[0036] In addition, the outer wall of the driving shaft 3 is fixedly connected with a plurality of spline rods 41, and the moving disk 42 is slidably mounted on the spline rods 41 to drive the driving shaft 3. The moving disk 42 can be slidably mounted on the spline rods 41 in the vertical direction. The driving shaft 3 can drive the moving disk 42 to rotate synchronously through the spline rods 41. The stirring rod 44 is rotatably mounted on the fixed frame 43. An adjusting groove 45 is provided at the inner end of the stirring rod 44. The pushing rod 46 is slidably mounted on the adjusting groove 45 through a sliding shaft. When the stirring rod 44 moves up and down, the position of the pushing rod 46 is fixed, which causes the stirring rod 44 to rotate, so that the sliding shaft on the pushing rod 46 slides in the adjusting groove 45. This design enables the stirring assembly 4 to perform stirring operations more flexibly, thereby improving the mixing efficiency and mixing quality.

[0037] At the upper end of the driving shaft 3, there is a guide tube 410 designed to be rotatably connected. The bottom of the guide tube 410 is connected to the second truncated cone 411 by a rotatable connection, and the second truncated cone 411 is designed to be rotatably mounted on the driving shaft 3. A number of baffles 412 are fixedly connected to the side walls of the second truncated cone 411. These baffles 412 are evenly distributed on the side walls of the second truncated cone 411 to ensure the uniformity of their functions. Between adjacent baffles 412, a discharge plate 413 is rotatably connected, so that the discharge plate 413 can be flexibly rotated between the baffles 412. When the catalyst in the guide tube 410 slides onto the second truncated cone 411, the catalyst on the second truncated cone 411 will slide and move to the discharge plate 413 along the guiding effect of the baffle 412, and the discharge plate 413 will sprinkle the catalyst to ensure the uniform distribution of the catalyst.

[0038] The outer wall of the driving shaft 3 is slidably connected to the shaft seat 416, and the outer wall of the shaft seat 416 is rotatably connected to the control disk 415. The top of the movable disk 42 is fixedly connected to the connecting rod 49, and the top of the connecting rod 49 is slidably connected to the bottom of the control disk 415 to ensure the flexible movement of the control disk 415. The top of the control disk 415 is provided with a plurality of linkage rods 414 in a circular array, and the other end of the linkage rod 414 is rotatably connected to the bottom of the discharge plate 413. When the shaft seat 416 slides up and down on the driving shaft 3, the up and down movement of the shaft seat 416 and the control disk 415 will drive the linkage rod 414 to move up and down, so that the linkage rod 414 drives the discharge plate 413 to reciprocate, so as to realize the throwing treatment of the catalyst;

[0039] The bottom of the shaft seat 416 is fixedly connected to a damping spring 417, which is sleeved on the drive shaft 3 to ensure that it provides appropriate resistance during the movement of the shaft seat 416 and the control disk 415. The bottom of the damping spring 417 is fixedly connected to a first fixed disk 418, which is fixedly installed on the drive shaft 3. Under the elastic force of the damping spring 417, the shaft seat 416 and the control disk 415 can be driven to move upward and reset, so as to ensure the stable operation of the entire system.

[0040] The outer wall of the driving shaft 3 is fixedly connected to the second fixed disk 420, the bottom of the second fixed disk 420 is fixedly connected to the guide rod 421, the top of the control disk 415 is fixedly connected to the arc block 419, the position of the arc block 419 corresponds to the position of the guide rod 421, when the driving shaft 3 drives the second fixed disk 420 and the guide rod 421 to rotate synchronously, the guide rod 421 can push the arc block 419, the shaft seat 416, and the control disk 415 to move downward during the rotation process, so as to realize the precise control of the catalyst throwing treatment;

[0041] The top sides of the reactor body 1 are fixedly connected to a material box 422, the bottom of the material box 422 is fixedly connected to a delivery pipe 423, the other end of the delivery pipe 423 is fixedly connected to the top of the guide pipe 410 to ensure that the catalyst is smoothly transported from the material box 422 to the guide pipe 410, and a discharge groove 424 is provided on the side wall of the guide pipe 410. After the catalyst is put into the material box 422, the catalyst in the material box 422 is put into the guide pipe 410 through the delivery pipe 423, and the catalyst in the guide pipe 410 is divided through the discharge groove 424 and put into the second truncated cone 411 to ensure the uniform distribution and spreading of the catalyst on the second truncated cone 411.

[0042] In the embodiment of the present invention, a catalyst such as toluenesulfonic acid is added to the material box 422, and the catalyst in the material box 422 is transported to the guide pipe 410 through the delivery pipe 423, and the guide pipe 410 then puts the catalyst onto the second truncated table 411 through the discharge trough 424, and then the catalyst on the second truncated table 411 slides down and moves to the discharge plate 413, and finally is put into the reactor body 1 through the discharge plate 413;

[0043] By starting the motor 2, the drive shaft 3 starts to rotate synchronously, the rotation of the drive shaft 3 drives the spline rod 41 to rotate synchronously, the spline rod 41 drives the moving plate 42 to rotate synchronously, the rotation of the moving plate 42 causes the fixed frame 43 to rotate synchronously, the fixed frame 43 then drives a row of stirring rods 44 to rotate, and these rotating stirring rods 44 stir the mixed liquid in the reactor body 1;

[0044] At the same time, the driving shaft 3 can drive the second fixed plate 420 to rotate synchronously during the rotation process, and the rotation of the second fixed plate 420 will drive the guide rod 421 to rotate synchronously. When the guide rod 421 moves to the position of the movable arc block 419, the guide rod 421 will push the arc block 419 to move downward during the rotation process. Through the movement of the arc block 419, the shaft seat 416 and the control plate 415 will also move downward and compress the damping spring 417. The downward movement of the control plate 415 will drive the linkage rod 414 to move downward, and then drive the discharge plate 413 to move downward through the linkage rod 414. When the guide rod 421 slides over the arc block 419 and no longer contacts it, the damping spring 417 Under the elastic force, the control disk 415, the shaft seat 416 and the arc block 419 will move upward, so that the control disk 415 will drive the linkage rod 414 to move upward, and then drive the discharge plate 413 to move upward. The reciprocating rotation of the discharge plate 413 makes the catalyst evenly scattered and widely distributed in the reactor body 1, avoiding the accumulation or loss of the catalyst in certain areas. This uniform distribution helps to improve the efficiency and consistency of the chemical reaction, because more reactants can effectively contact the catalyst, thereby accelerating the chemical reaction rate and improving the efficiency of the entire reaction process. The uniform spreading of the catalyst helps to produce more consistent reaction products, thereby improving the quality and consistency of the final product;

[0045] In addition, when the driving shaft 3 rotates, the moving disk 42 is driven to rotate synchronously through the spline rod 41, so that the moving disk 42 drives the fixed frame 43 and the stirring rod 44 to rotate synchronously, so that the stirring rod 44 mixes the mixed liquid in the reactor body 1. When the control disk 415 moves up and down, it can drive the connecting rod 49 to move up and down, and then the connecting rod 49 drives the moving disk 42 to move up and down on the spline rod 41. The up and down movement of the moving disk 42 will drive the fixed frame 43 and the stirring rod 44 to move up and down, thereby changing the stirring range of the stirring rod 44 in the reactor body 1. By controlling the up and down movement of the moving disk 42, the fixed frame 43 and the stirring rod 44, the stirring range of the stirring rod 44 in the reactor body 1 can be adjusted. The adjustment helps to ensure that the mixed liquid can be fully stirred in every corner of the reactor body 1, thereby improving the stirring efficiency. When the fixed frame 43 moves up and down, since the positions of the first truncated table 48, the sliding rod 47 and the pushing rod 46 are fixed, the stirring rod 44 can be located on the fixed frame 43 and rotated when moving up and down, thereby changing the stirring angle of the stirring rod 44. This multi-angle stirring helps to break up the vortex and dead corners in the mixed liquid, and further improve the stirring effect. By adjusting the stirring range and the stirring angle, it can be ensured that the components in the mixed liquid are more evenly distributed, thereby improving the quality and consistency of the product. For chemical reactions, uniform mixing helps to speed up the reaction rate, improve the reaction efficiency, and may reduce the generation of by-products.

[0046] The present invention also discloses a synthesis method of a tributyrin synthesis reactor, which specifically comprises the following steps:

[0047] Step 1: Under nitrogen protection, glycerol in the glycerol storage tank and part of the butyric acid in the butyric acid storage tank are pumped into the synthesis reactor body 1 and heated to 60-100°C. After stirring and mixing evenly, p-toluenesulfonic acid is added as a catalyst to the discharge plate 413 in the reactor body 1 through the material box 422, the conveying pipe 423, the guide pipe 410, and the second frustum 411. Then, the control disk 415 and the linkage rod 414 are used to control the discharge plate 413 to evenly sprinkle the additives in the reactor body 1, and the stirring rod 44 is used to stir and mix the mixed liquid in the reactor body 1. Then, the temperature of the synthesis reactor body 1 is raised to 120-180°C, and the temperature of the distillation head of the fractionation column is controlled to react at 100-120°C. Then, the remaining butyric acid is pumped into the synthesis reactor body 1, and the temperature is controlled at 120-180°C. The reaction is carried out for 3-10 hours to obtain a mixture A.

[0048] Step 2: Pump mixture A into a synthesis flash tank and heat it through a synthesis flash heater for flash evaporation. Then, pump the product into a condenser to cool it to below 80° C. and pump it into a distillation device for distillation to obtain refined tributyrin.

[0049] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tributyrin synthesis reactor, comprising a reactor body (1), characterized in that: A motor (2) is arranged on the top of the reactor body (1); a drive shaft (3) is fixedly connected to the output end of the motor (2); the drive shaft (3) is rotatably mounted in the reactor body (1); and a stirring assembly (4) is arranged on the drive shaft (3); The stirring assembly (4) comprises a movable disk (42) arranged on the driving shaft (3); the bottom of the movable disk (42) is fixedly connected to a fixed frame (43) in a circumferential array; a row of stirring rods (44) is arranged on the fixed frame (43); a pushing rod (46) is arranged at the inner end of the stirring rod (44); a sliding rod (47) is fixedly connected to the bottom of the pushing rod (46); the bottom of the sliding rod (47) is slidably mounted on the fixed frame (43); the bottom of the sliding rod (47) is fixedly connected to a first truncated platform (48); and the first truncated platform (48) is fixedly mounted on the bottom of the driving shaft (3); A plurality of spline rods (41) are fixedly connected to the outer wall of the driving shaft (3), and a moving plate (42) is slidably mounted on the spline rods (41) to drive the shaft (3); The stirring rod (44) is rotatably mounted on the fixed frame (43); an adjustment groove (45) is provided at the inner end of the stirring rod (44); and a push rod (46) is slidably mounted on the adjustment groove (45) via a sliding shaft; A material guide tube (410) is rotatably connected to the driving shaft (3); a second truncated platform (411) is rotatably connected to the bottom of the material guide tube (410); the second truncated platform (411) is rotatably mounted on the driving shaft (3); a plurality of baffles (412) are fixedly connected to the side walls of the second truncated platform (411); and a material discharge plate (413) is rotatably connected between adjacent baffles (412); The outer wall of the driving shaft (3) is slidably connected to a shaft seat (416), and the outer wall of the shaft seat (416) is rotatably connected to a control disk (415), and the top of the movable disk (42) is fixedly connected to a connecting rod (49), the top of the connecting rod (49) is slidably connected to the bottom of the control disk (415), and a plurality of linkage rods (414) are arranged in a circular array on the top of the control disk (415), and the other end of the linkage rod (414) is rotatably connected to the bottom of the discharge plate (413); A damping spring (417) is fixedly connected to the bottom of the shaft seat (416), the damping spring (417) is sleeved on the drive shaft (3), and a first fixed plate (418) is fixedly connected to the bottom of the damping spring (417), and the first fixed plate (418) is fixedly mounted on the drive shaft (3); A second fixed disk (420) is fixedly connected to the outer wall of the driving shaft (3), a guide rod (421) is fixedly connected to the bottom of the second fixed disk (420), and an arc block (419) is fixedly connected to the top of the control disk (415), and the position of the arc block (419) corresponds to the position of the guide rod (421).

2. A tributyrin synthesis reactor according to claim 1, characterized in that: A material box (422) is fixedly connected to both sides of the top of the reactor body (1), a conveying pipe (423) is fixedly connected to the bottom of the material box (422), the other end of the conveying pipe (423) is fixedly connected to the top of the material guide pipe (410), and a discharge groove (424) is provided on the side wall of the material guide pipe (410).

3. The method for synthesizing a tributyrin synthesis reactor according to any one of claim 2, characterized in that: The specific steps include: Step 1: Under nitrogen protection, pump glycerol in the glycerol storage tank and part of the butyric acid in the butyric acid storage tank into the synthesis reactor body (1), heat it to 60-100°C, start stirring and mix it evenly, add p-toluenesulfonic acid as a catalyst to the discharge plate (413) in the reactor body (1) through the material box (422), the conveying pipe (423), the guide pipe (410), and the second round table (411), and then control the control panel (415) and the connecting rod (414) to control the reaction of the reactor body (1). The discharge plate (413) evenly sprinkles the additive into the reactor body (1), and the stirring rod (44) is used to stir and mix the mixed liquid in the reactor body (1), then the temperature of the synthesis reactor body (1) is raised to 120-180° C., the temperature of the distillation head of the fractionation column is controlled at 100-120° C., and then the remaining butyric acid is pumped into the synthesis reactor body (1), and the temperature is controlled at 120-180° C., and the reaction is carried out for 3-10 hours to obtain a mixture A; Step 2: Pump mixture A into a synthesis flash tank and heat it through a synthesis flash heater for flash evaporation. Then, pump the product into a condenser to cool it to below 80° C. and pump it into a distillation device for distillation to obtain refined tributyrin.

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