Modified starch reactor
By designing a stirring lever and motor drive system in the degeneration starch reactor, combined with thermal source and inner wall cleaning mechanism, the problem of uneven response and equipment blockage of the device is solved, and the high -quality and uniform production of transgender starch is realized.
Patent Information
- Application Number
- CN202411855470.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-01-24
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing denatured starch reactors are difficult to stabilize in the control of temperature and stirring speed, resulting in uneven reactions, unstable product quality, and ineffective screening and removal of impurities, resulting in a decrease in starch quality and equipment blockage.
A modified starch reactor is designed, which uses a stirring rod and a motor drive system to realize the revolution and rotation of the stirring rod. It combines a hot air source component to achieve stirring and heating. It is also equipped with an inner wall cleaning mechanism and a vibrating screen mechanism to ensure uniform reaction and product consistency. Particle uniformity.
By mixing and heating, the full reaction and heating of starch and solvents are ensured, which improves the quality and uniformity of transgender starch, and avoids the problems of equipment blockage and product instability.
Smart Images
Figure CN119346052A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of modified starch reaction, in particular to a modified starch reactor. Background Art
[0002] Modified starch is a common food additive, which is obtained by chemical or physical treatment of starch. Modified starch has many useful properties in food processing, such as thickening, stability and resistance to denaturation. The development of modified starch is mainly to improve the functional properties of starch so that it can be better used in the food industry. Some common modification methods include heat treatment, addition of chemicals (such as acid, alkali, organic solvents) or mechanical treatment. These methods change the structure of starch granules, making it show different characteristics in food processing.
[0003] However, the existing modified starch reactor still has the following deficiencies in the actual working process: the parameters such as temperature and stirring speed in the modified starch reaction process are affected by various factors and are difficult to stably control, so that the starch cannot be fully fused with the solvent, resulting in uneven reaction or unstable product quality; in addition, after the reaction of the modified starch is completed, it cannot be effectively screened and impurity removed, resulting in a significant decrease in the quality of the modified starch, as well as starch unevenness, and starch of different particle sizes cannot be separated as required, which increases the limitations of the equipment. Finally, the starch agglomerates generated on the inner wall of the existing reactor during the working process are difficult to handle on the inner wall, which will cause blockage and failure of the reactor. Summary of the invention
[0004] The object of the present invention is to provide a modified starch reactor to solve the problems raised in the above background technology.
[0005] In order to achieve the above-mentioned purpose, the present invention provides the following technical scheme: a modified starch reactor, comprising a base, the upper surface of the base is fixedly connected to a reactor shell, the upper surface of the base is fixedly connected to a vertical plate, the upper surface of the reactor shell is provided with a powder inlet, one side of the outer circumferential surface of the reactor shell is fixedly connected to a liquid infusion pipeline, one side of the vertical plate is fixedly connected to a horizontal plate, the middle part of the horizontal plate is movably sleeved with a rotating column, the outer circumferential surface of the rotating column is fixedly connected to a first roller, one end of the rotating column is movably sleeved with a stirring rod, the outer circumferential surface of the stirring rod is fixedly connected to a spiral blade, one side of the horizontal plate is fixedly connected to a connecting plate, the middle part of the connecting plate is movably sleeved with a motor transmission Output shaft, the outer cylindrical surface of the motor output shaft is fixedly connected with the second roller, the outer extension of the second roller is movably sleeved with a belt, one end of the belt is movably sleeved with the first roller, the outer cylindrical surface of the stirring rod is fixedly connected with the first rotating block, the first gear and the second rotating block, one side of the vertical plate is fixedly connected with the first limiting ring and the second limiting ring, one side of the first limiting ring and the second limiting ring is fixedly connected with two fixing rings, the fixing ring is movably sleeved with the outer cylindrical surface of the motor output shaft, the outer cylindrical surface of the motor output shaft is fixedly connected with the second gear, the first gear is meshed with the second gear, the upper surface of the base is movably sleeved with a column, and the outer cylindrical surface of the column is provided with a vibrating screening mechanism fixedly connected thereto.
[0006] Preferably, it also includes an inner wall cleaning mechanism, the inner wall cleaning mechanism includes a stirring drum, the inner wall of the reactor shell is movably connected to the outer wall of the stirring drum, the output shaft end of the motor is fixedly connected to a third gear, the upper surface of the stirring drum is fixedly connected to a circular rack, the tooth surface of the third gear is meshed with the tooth surface of the circular rack, the lower surface of the stirring drum is fixedly connected to a base plate, the upper surface of the base plate is fixedly connected to three evenly distributed scrapers, the three groups of scrapers are movably connected to the inner wall of the stirring drum, and a connecting port is provided between the stirring drum and the lower surface of the base plate.
[0007] Preferably, the vibrating screen mechanism includes a first bevel gear, which is fixedly connected to one end of the outer cylindrical surface of the column, and the other end of the outer cylindrical surface of the column is fixedly connected to a fourth gear, and the fourth gear is meshed with the second gear. The bottom inner wall of the reactor shell is fixedly connected to four evenly distributed table legs of a collecting platform, a powder outlet is opened on one side of the collecting platform, and four evenly distributed first fixed blocks are fixedly connected on both sides of the collecting platform, four groups of the first fixed blocks are fixedly connected to one side of four elastic connecting plates, and four groups of the elastic connecting plates are fixedly connected to one side of four second fixed blocks, and the inner side of the second fixed block is fixedly connected to a vibrating screen frame located directly above the collecting platform.
[0008] Preferably, a rotating rod is movably sleeved in the middle of the collecting table, one end of the rotating rod is fixedly connected to the second bevel gear, the other end of the rotating rod is fixedly connected to a linkage plate, one end of the linkage plate is movably sleeved with one end of a connecting rod, the other end of the connecting rod is movably sleeved with a linkage rod, and one end of the linkage rod is fixedly connected to one side of the vibrating screen frame.
[0009] Preferably, a hot air source is fixedly connected to one side of the upper surface of the horizontal plate, a hot air pipe is fixedly connected to one end of the hot air source, a plurality of exhaust holes are opened at one end of the outer cylindrical surface of the stirring rod, and the hot air pipe passes through the rotating column and the stirring rod to the exhaust holes.
[0010] Preferably, the first rotating block and the second rotating block are right-angled trapezoidal rotating bodies, the conical surfaces of the first rotating block and the second rotating block are adapted to the recesses of the first limiting ring and the second limiting ring, and the first rotating block and the second rotating block are movably connected with the first limiting ring and the second limiting ring.
[0011] Preferably, the upper half of the rotating column is a cylinder movably connected with the middle part of the horizontal plate, and the lower half of the rotating column is a right-angled trapezoidal rotating body.
[0012] Preferably, the elastic connecting plate is made of rubber material, and a plurality of evenly distributed pores are provided at the bottom of the vibration screen frame, and the size of the pores needs to be changed according to the particle diameter of the starch that actually needs to be screened.
[0013] The beneficial effects of the present invention are as follows: 1. The present invention drives the motor through the design of the stirring rod, and the output shaft end of the motor drives the second roller to rotate. The second roller drives the first roller to rotate through the belt, and the first roller drives the rotating column to rotate. The rotating column drives the stirring rod to work. Under the action of the first limiting ring, the second limiting ring and the first rotating block and the second rotating block, the revolution of the stirring rod is realized, the motor drives the second gear to rotate, the second gear drives the first gear to rotate, and the first gear drives the stirring rod to work, thereby realizing the self-rotation of the stirring rod, so that the starch and the solvent are fully stirred, and the quality and uniformity of the modified starch are improved; at the same time, the present invention drives the hot air source component through the design of the hot air source component, so that the hot air passes from the hot air pipe in the rotating column and the stirring rod to the exhaust hole, thereby realizing stirring and heating at the same time, and making the starch heated more evenly.
[0014] 2. The present invention adopts the design of the inner wall cleaning mechanism, the output shaft end of the motor drives the third gear to rotate, the third gear is meshed with the circular rack, the circular rack drives the mixing drum to rotate, and the scraper on the base plate cleans the inner wall of the mixing drum during the rotation, thereby avoiding the inner wall from adhering to a large amount of starch and solvent mixture, which causes the equipment to be blocked or the like. The present invention adopts the design of the vibrating screen mechanism, the output shaft of the motor drives the second gear to rotate, the second gear drives the fourth gear to rotate, the fourth gear drives the first bevel gear to rotate through the column, the first bevel gear drives the rotating rod to rotate through the second bevel gear, the rotating rod drives the linkage plate to rotate, the linkage plate drives the linkage rod to work through the connecting rod, and under the action of the elastic connecting plate, the modified starch in the vibrating screen frame is screened or impurities are removed to ensure the particle uniformity and quality of the product, and any formed lumps or uneven particles can be removed by screening, thereby obtaining a uniform particle size and shape, and ensuring that the product meets specific particle size requirements. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a front view of the overall structure of the present invention; Figure 2 It is a bottom view of the overall structure of the present invention; Figure 3 For the present invention Figure 2 The enlarged schematic diagram at A in the middle; Figure 4 It is a schematic cross-sectional view of the shell of the reactor of the present invention; Figure 5 It is a schematic cross-sectional view of part of the structure of the present invention; Figure 6 It is a schematic diagram of the linkage structure of the stirring rod of the present invention.
[0016] In the figure: 1, base; 2, reactor shell; 3, vertical plate; 4, powder inlet; 5, infusion pipeline; 6, horizontal plate; 7, rotating column; 8, first roller; 9, stirring rod; 10, spiral blade; 11, motor; 12, second roller; 13, belt; 14, first rotating block; 15, first gear; 16, second rotating block; 17, first limiting ring; 18, second limiting ring; 19, second gear; 20, vertical column; 21, mixing drum; 22, third gear; 23, circular rack; 24, scraper; 25, first bevel gear; 26, fourth gear; 27, collecting table; 28, first fixed block; 29, elastic connecting plate; 30, second fixed block; 31, vibrating screen frame; 32, rotating rod; 33, second bevel gear; 34, linkage plate; 35, linkage rod; 36, hot air source; 37, hot air pipeline. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.
[0018] like Figures 1 to 6 As shown, an embodiment of the present invention provides a modified starch reactor, including a base 1, a reactor shell 2 is fixedly connected to the upper surface of the base 1, a vertical plate 3 is fixedly connected to the upper surface of the base 1, a powder inlet 4 is opened on the upper surface of the reactor shell 2, a liquid infusion pipeline 5 is fixedly connected to one side of the outer circumference of the reactor shell 2, a horizontal plate 6 is fixedly connected to one side of the vertical plate 3, a rotating column 7 is movably sleeved in the middle of the horizontal plate 6, a first roller 8 is fixedly connected to the outer circumference of the rotating column 7, a stirring rod 9 is movably sleeved at one end of the rotating column 7, a spiral blade 10 is fixedly connected to the outer circumference of the stirring rod 9, a connecting plate is fixedly connected to one side of the horizontal plate 6, a motor 11 output shaft is movably sleeved in the middle of the connecting plate, a second roller 12 is fixedly connected to the outer circumference of the output shaft of the motor 11, and the outer circumference of the second roller 12 A belt 13 is movably sleeved on the extension, and one end of the belt 13 is movably sleeved on the first roller 8. The outer cylindrical surface of the stirring rod 9 is fixedly connected with the first rotating block 14, the first gear 15, and the second rotating block 16. One side of the vertical plate 3 is fixedly connected with the first limiting ring 17 and the second limiting ring 18. One side of the first limiting ring 17 and the second limiting ring 18 is fixedly connected with two fixing rings, and the fixing ring is movably sleeved on the outer cylindrical surface of the output shaft of the motor 11. The outer cylindrical surface of the output shaft of the motor 11 is fixedly connected with the second gear 19, and the first gear 15 is meshed with the second gear 19. A column 20 is movably sleeved on the upper surface of the base 1, and the outer cylindrical surface of the column 20 is provided with a vibrating screen mechanism fixedly connected thereto. The upper half of the rotating column 7 is a cylinder movably sleeved with the middle part of the horizontal plate 6, and the lower half of the rotating column 7 is a right-angled trapezoidal rotating body.
[0019] The inner wall cleaning mechanism includes a mixing drum 21. The inner wall of the reactor shell 2 is movably connected to the outer wall of the mixing drum 21. The output shaft end of the motor 11 is fixedly connected to a third gear 22. The upper surface of the mixing drum 21 is fixedly connected to a circular rack 23. The tooth surface of the third gear 22 meshes with the tooth surface of the circular rack 23. The lower surface of the mixing drum 21 is fixedly connected to a base plate. The upper surface of the base plate is fixedly connected to three evenly distributed scrapers 24. The three groups of scrapers 24 are movably connected to the inner wall of the mixing drum 21. A connecting port is provided between the mixing drum 21 and the lower surface of the base plate. The output shaft end of the motor 11 drives the third gear 22 to rotate. The third gear 22 meshes with the circular rack 23, and the circular rack 23 drives the mixing drum 21 to rotate. During the rotation, the scraper 24 on the base plate cleans the inner wall of the mixing drum.
[0020] The vibrating screen mechanism includes a first bevel gear 25, which is fixedly connected to one end of the outer cylindrical surface of the column 20, and a fourth gear 26 is fixedly connected to the other end of the outer cylindrical surface of the column 20, and the fourth gear 26 is meshed with the second gear 19. The bottom inner wall of the reactor shell 2 is fixedly connected to four evenly distributed table legs of a collecting table 27, and a powder outlet is provided on one side of the collecting table 27. Four evenly distributed first fixed blocks 28 are fixedly connected to both sides of the collecting table 27, and four elastic connecting plates 29 are fixedly connected to one side of the four groups of first fixed blocks 28. Four second fixed blocks 30 are fixedly connected to one side of the four groups of elastic connecting plates 29. A vibrating screen frame 31 located directly above the collecting table 27 is fixedly connected to the inner side of the second fixed block 30, and a rotating rod 32 is movably sleeved in the middle of the collecting table 27. One end of the rotating rod 32 is fixedly connected to the second bevel gear 33, and the other end of the rotating rod 32 is fixedly connected to the linkage plate 34. One side of the linkage plate 34 is movably sleeved with one end of the connecting rod, and the other end of the connecting rod is movably sleeved with a linkage rod 35. One end of the linkage rod 35 is fixedly connected to one side of the vibrating screen frame 31. The output shaft of the motor 11 drives the second gear 19 to rotate, and the second gear 19 drives the fourth gear 26 to rotate. The fourth gear 26 drives the first bevel gear 25 to rotate through the column 20. The first bevel gear 25 drives the rotating rod 32 to rotate through the second bevel gear 33. The rotating rod 32 drives the linkage plate 34 to rotate. The linkage plate 34 drives the linkage rod 35 to work through the connecting rod. Under the action of the elastic connecting plate 29, the screening or impurity removal of the modified starch in the vibrating screen frame 31 is realized.
[0021] Among them, a hot air source component 36 is fixedly connected to one side of the upper surface of the horizontal plate 6, and a hot air pipe 37 is fixedly connected to one end of the hot air source component 36. A plurality of exhaust holes are opened at one end of the outer cylindrical surface of the stirring rod 9. The hot air pipe 37 runs through the rotating column 7 and the stirring rod 9 to the exhaust holes, driving the hot air source component 36 so that hot air flows from the hot air pipe 37 in the rotating column 7 and the stirring rod 9 to the exhaust holes, thereby realizing simultaneous stirring and heating, and making the starch heated more evenly.
[0022] Among them, the first rotating block 14 and the second rotating block 16 are right-angled trapezoidal rotating bodies, the conical surfaces of the first rotating block 14 and the second rotating block 16 are adapted to the recessed parts of the first limiting ring 17 and the second limiting ring 18, the first rotating block 14 and the second rotating block 16 are movably connected with the first limiting ring 17 and the second limiting ring 18, the driving motor 11, the output shaft end of the motor 11 drives the second roller 12 to rotate, the second roller 12 drives the first roller 8 to rotate through the belt 13, the first roller 8 drives the rotating column 7 to rotate, the rotating column 7 drives the stirring rod 9 to work, and the stirring rod 9 drives the first rotating block 14 and the second rotating block 16 to rotate on the inner wall in contact with the first limiting ring 17 and the second limiting ring 18.
[0023] Among them, the elastic connecting plate 29 is made of rubber material, and a number of evenly distributed pores are opened at the bottom of the vibration screen frame 31, and the size of the pores needs to be changed according to the actual particle diameter of the starch that needs to be screened. The rubber material has a certain flexibility and elasticity and can deform and restore its original shape after being subjected to force, which makes them have good performance in connection, buffering and vibration screening.
[0024] Working principle: When the equipment is operating normally, starch is poured from the powder inlet 4, solvent is input from the infusion pipe 5, and the motor 11 is driven. The output shaft end of the motor 11 drives the second roller 12 to rotate, and the second roller 12 drives the first roller 8 to rotate through the belt 13, and the first roller 8 drives the rotating column 7 to rotate, and the rotating column 7 drives the stirring rod 9 to work. Under the action of the first limiting ring 17, the second limiting ring 18 and the first rotating block 14 and the second rotating block 16, the revolution of the stirring rod 9 is realized, the motor 11 drives the second gear 19 to rotate, the second gear 19 drives the first gear 15 to rotate, and the first gear 15 drives the stirring rod 9 to work, realizing the self-rotation of the stirring rod 9, so that the starch and the solvent react fully. At the same time, the hot air source 36 is driven, so that the hot air passes from the hot air pipe 37 in the rotating column 7 and the stirring rod 9 to the exhaust hole, so that stirring and heating are carried out simultaneously, and the starch is heated more evenly.
[0025] In addition, when it is necessary to clean the inner wall of the mixing drum, the output shaft end of the motor 11 drives the third gear 22 to rotate, and the third gear 22 is engaged with the circular rack 23, and the circular rack 23 drives the mixing drum 21 to rotate. During the rotation, the scraper 24 on the substrate cleans the inner wall of the mixing drum. When it is necessary to screen and remove impurities from the modified starch, the output shaft of the motor 11 drives the second gear 19 to rotate, and the second gear 19 drives the fourth gear 26 to rotate. The fourth gear 26 drives the first bevel gear 25 to rotate through the column 20. The first bevel gear 25 drives the rotating rod 32 to rotate through the second bevel gear 33. The rotating rod 32 drives the linkage plate 34 to rotate. The linkage plate 34 drives the linkage rod 35 to work through the connecting rod. Under the action of the elastic connecting plate 29, the screening or impurity removal of the modified starch in the vibrating screen frame 31 is achieved.
[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including 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 device.
[0027] 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 modified starch reactor, comprising a base (1), a reactor shell (2) being fixedly connected to the upper surface of the base (1), a vertical plate (3) being fixedly connected to the upper surface of the base (1), a powder inlet (4) being provided on the upper surface of the reactor shell (2), a liquid infusion pipeline (5) being fixedly connected to one side of the outer circumference of the reactor shell (2), and a horizontal plate (6) being fixedly connected to one side of the vertical plate (3), characterized in that: The middle part of the horizontal plate (6) is movably sleeved with a rotating column (7), the outer circumferential surface of the rotating column (7) is fixedly connected to a first roller (8), one end of the rotating column (7) is movably sleeved with a stirring rod (9), the outer circumferential surface of the stirring rod (9) is fixedly connected to a spiral blade (10), one side of the horizontal plate (6) is fixedly connected to a connecting plate, the middle part of the connecting plate is movably sleeved with an output shaft of a motor (11), the outer circumferential surface of the output shaft of the motor (11) is fixedly connected to a second roller (12), the outer extension of the second roller (12) is movably sleeved with a belt (13), one end of the belt (13) is movably sleeved with the first roller (8 ... A first rotating block (14), a first gear (15), and a second rotating block (16) are fixedly connected to the surface of the base (1); a first limiting ring (17) and a second limiting ring (18) are fixedly connected to one side of the vertical plate (3); two fixing rings are fixedly connected to one side of the first limiting ring (17) and the second limiting ring (18); the fixing rings are movably sleeved with the outer cylindrical surface of the output shaft of the motor (11); the outer cylindrical surface of the output shaft of the motor (11) is fixedly connected with a second gear (19); the first gear (15) is meshed with the second gear (19); a column (20) is movably sleeved on the upper surface of the base (1); and a vibrating screen mechanism fixedly connected to the outer cylindrical surface of the column (20) is provided.
2. A modified starch reactor according to claim 1, characterized in that: The invention also comprises an inner wall cleaning mechanism, wherein the inner wall cleaning mechanism comprises a mixing drum (21), the inner wall of the reactor shell (2) is movably sleeved with the outer wall of the mixing drum (21), the output shaft end of the motor (11) is fixedly connected with a third gear (22), the upper surface of the mixing drum (21) is fixedly connected with a circular rack (23), the tooth surface of the third gear (22) is meshed with the tooth surface of the circular rack (23), the lower surface of the mixing drum (21) is fixedly connected with a base plate, the upper surface of the base plate is fixedly connected with three uniformly distributed scrapers (24), the three groups of scrapers (24) are movably sleeved with the inner wall of the mixing drum (21), and a communication port is provided between the mixing drum (21) and the lower surface of the base plate.
3. A modified starch reactor according to claim 2, characterized in that: The vibrating screen mechanism comprises a first bevel gear (25), the first bevel gear (25) being fixedly connected to one end of the outer cylindrical surface of the column (20), the other end of the outer cylindrical surface of the column (20) being fixedly connected to a fourth gear (26), the fourth gear (26) being meshed with the second gear (19), the bottom inner wall of the reactor housing (2) being fixedly connected to four evenly distributed table legs of a collecting table (27), one side of the collecting table (27) being provided with a powder outlet, four evenly distributed first fixed blocks (28) being fixedly connected to both sides of the collecting table (27), four elastic connecting plates (29) being fixedly connected to one side of four groups of the first fixed blocks (28), four second fixed blocks (30) being fixedly connected to one side of the four groups of the elastic connecting plates (29), and a vibrating screen frame (31) located directly above the collecting table (27) being fixedly connected to the inner side of the second fixed blocks (30).
4. A modified starch reactor according to claim 3, characterized in that: A rotating rod (32) is movably sleeved in the middle of the collecting table (27); one end of the rotating rod (32) is fixedly connected to a second bevel gear (33); the other end of the rotating rod (32) is fixedly connected to a linkage plate (34); one end of a connecting rod is movably sleeved on one side of the linkage plate (34); the other end of the connecting rod is movably sleeved on a linkage rod (35); one end of the linkage rod (35) is fixedly connected to one side of the vibrating screen frame (31).
5. A modified starch reactor according to claim 4, characterized in that: A hot air source component (36) is fixedly connected to one side of the upper surface of the horizontal plate (6), and a hot air pipe (37) is fixedly connected to one end of the hot air source component (36). A plurality of exhaust holes are formed at one end of the outer circumferential surface of the stirring rod (9), and the hot air pipe (37) passes through the rotating column (7) and the stirring rod (9) to the exhaust holes.
6. A modified starch reactor according to claim 5, characterized in that: The first rotating block (14) and the second rotating block (16) are right-angled trapezoidal rotating bodies, the conical surfaces of the first rotating block (14) and the second rotating block (16) are matched with the recessed parts of the first limiting ring (17) and the second limiting ring (18), and the first rotating block (14) and the second rotating block (16) are movably connected with the first limiting ring (17) and the second limiting ring (18).
7. A modified starch reactor according to claim 6, characterized in that: The upper half of the rotating column (7) is a cylindrical body movably sleeved with the middle part of the horizontal plate (6), and the lower half of the rotating column (7) is a right-angled trapezoidal rotating body.
8. A modified starch reactor according to claim 7, characterized in that: The elastic connecting plate (29) is made of rubber material. The bottom of the vibrating screen frame (31) is provided with a plurality of evenly distributed pores, and the size of the pores needs to be changed according to the actual particle diameter of the starch to be screened.