Amino acid production drying device and method thereof
By designing an amino acid production and drying device including a mixing mechanism, the problem of bulk amino acid materials stacking and adhering to the inner wall of the device is solved, and the uniformity of drying and high-quality finished products are achieved.
Patent Information
- Application Number
- CN202510344382.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2025-05-13
AI Technical Summary
When the existing amino acid drying device treats block amino acid materials, the materials are easily piled up in a concentrated manner, which affects the drying uniformity, and the materials are easily attached to the inner wall of the device during the drying process, reducing product quality.
An amino acid production and drying device including a mixing mechanism is designed. The mixing mechanism is composed of a mixing shell, a motor, a gear and a stirring blade. The stirring blade and a mixing plate are driven to rotate through gear transmission to achieve uniform dispersion and stirring of materials, and at the same time, a scraping wall plate is arranged to scrape away the materials attached to the inner wall.
It effectively avoids material accumulation, ensures uniformity and efficiency of drying, and improves the quality of amino acid finished products.
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Figure CN119983735A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of amino acid production, and in particular to an amino acid production drying device and a method thereof. Background Art
[0002] The background technology of amino acid production drying equipment mainly stems from the importance of amino acids in industrial production and the high requirements for the drying process. Amino acids, as the basic units of protein, are essential to health. However, traditional amino acid drying methods are time-consuming and easily lead to unstable product quality. In order to improve production efficiency and product quality, technological innovation of drying equipment has become necessary. These drying equipment can not only shorten the drying time but also significantly improve the quality of amino acid products by optimizing the drying process. In addition, with the society's pursuit of sustainable development, new drying equipment also focuses on reducing energy consumption and environmental pollution. Therefore, the technological development of amino acid production drying equipment not only meets the industry's demand for efficient and high-quality production, but also conforms to the trend of environmentally friendly production.
[0003] After searching, the Chinese patent number CN117387332A discloses an amino acid production drying device with agglomeration breaking function, including a mounting seat, the mounting seat is fixedly connected to a fixed shell, the upper side of the fixed shell is provided with a feed port and an exhaust hole, the fixed shell is fixedly connected to an electric push rod, the telescopic end of the electric push rod is fixedly connected to a first sliding plate slidably connected to the fixed shell, the lower side of the fixed shell is rotatably connected to a first rotating shaft, and the lower side of the first rotating shaft is slidably connected to a second sliding plate. The present invention controls the hot air flow injected into the device through the relative movement of the first rotating shaft and the second sliding plate, thereby achieving the purpose of controlling the drying speed of the device, avoiding the influence of too long drying time on the quality of amino acids, and improving the drying efficiency of the device. Compared with the prior art, the Chinese patent number CN117387332A solves the problem that in the process of drying amino acids by the existing drying device, due to the different humidity of the amino acid raw materials, after the amino acid raw materials with different humidity are dried for the same time, the drying time is too short and the amino acid powder is still in a moist state. The moist amino acid powder needs to be dried twice, which seriously affects the drying efficiency.
[0004] However, during the actual use of the above-mentioned device, when the block amino acid material enters the drying box, the amino acids entering from the material port will be concentrated in one place of the drying box, thereby forming an accumulation that affects the uniformity of amino acid drying. In addition, part of the material will adhere to the inner wall of the drying box during the drying process, reducing the quality of the amino acid product. Therefore, an amino acid production drying device and method are proposed. Summary of the invention
[0005] The purpose of the present invention is to solve the shortcomings of the prior art that when block amino acid materials enter the drying box from the material port, the amino acids entering the drying box will be concentrated in one place of the drying box, thereby forming an accumulation that affects the uniformity of amino acid drying, and part of the materials will adhere to the inner wall of the drying box during the drying process, thereby reducing the quality of the amino acid product, and an amino acid production drying device and method are proposed.
[0006] In order to achieve the above object, the present invention adopts the following technical solutions:
[0007] An amino acid production drying device and method thereof, comprising a drying box, wherein a mixing mechanism is fixedly connected inside the drying box, wherein the mixing mechanism comprises a mixing shell fixedly connected to the upper part of the drying box, wherein a first motor is arranged on the upper part of the mixing shell, wherein a first gear is arranged at the output end of the first motor, wherein the first gear is meshingly connected to a second gear, wherein a third gear is fixedly connected to the lower part of the second gear, wherein the third gear is meshingly connected to a fourth gear, wherein a fifth gear is meshingly connected to the lower part of the fourth gear, wherein an outer rod is fixedly connected to the lower part of the fifth gear, wherein a mixing plate is fixedly connected to the bottom of the outer rod, wherein a scraping plate is symmetrically fixedly connected to the lower part of the mixing plate;
[0008] The bottom of the third gear is fixedly connected with an inner rod, the inner rod passes through the outer rod and is rotatably connected with the outer rod, the bottom of the outer rod is fixedly connected with a rotating rod, and stirring blades are symmetrically fixedly connected on both sides of the rotating rod. A feeding mechanism is arranged on the upper part of the drying box. After the amino acid material is fed into the drying box through the feeding mechanism, the first motor is started, and the third gear is driven to rotate by the first motor. The rotation of the third gear drives the inner rod and the outer rod to rotate synchronously. The rotation of the inner rod drives the stirring blade to rotate to stir the amino acid material, and the rotation of the outer rod drives the mixing plate and the scraping plate to rotate. The rotation of the mixing plate evenly spreads the amino acid material to prevent material accumulation. The scraping plate rotates to scrape off the bonded material on the inner wall of the drying box, and the scraping plate is tightly fitted with the inner wall of the drying box. The amino acid material attached to the inner wall of the drying box can be scraped off during the rotation process. A heating component is arranged at the bottom of the drying box, and the drying heat is controlled by the heating component. The first motor adopts variable frequency speed regulation technology, and the motor speed can be adjusted according to actual drying needs, so as to flexibly adjust the rotation speed of the mixing plate and the stirring blade, and further optimize the drying effect.
[0009] The above technical solution further includes:
[0010] An exhaust pipe is fixedly connected to the upper part of the drying box, through which moisture and waste gas generated by drying are discharged. A temperature sensor and an intelligent temperature control system are arranged inside the drying box. The temperature inside the drying box is monitored in real time, and the power of the heating component is automatically adjusted according to a preset drying temperature curve to achieve a more precise temperature control effect, thereby improving the uniformity of drying and the quality of the product.
[0011] The lower part of the drying box is provided with a discharge port, through which the dried amino acids are taken out.
[0012] The upper part of the feeding mechanism is provided with a feeding port, through which the amino acid material is fed into the feeding mechanism, and the feeding mechanism breaks the fed block material into pieces and feeds it into the drying box in the form of particles.
[0013] The feeding mechanism includes a guide bin fixedly connected to the upper part of the drying box, a feeding port fixedly connected to the upper part of the guide bin, a sieve plate slidably connected inside the guide bin, a guide port fixedly connected to the bottom of the guide bin, and a plurality of sieve holes arranged on the upper part of the sieve plate. The sieve plate in the feeding mechanism is detachable, so that users can replace sieve plates with different apertures according to actual needs to meet the screening requirements of amino acid materials of different particle sizes. At the same time, a wear-resistant layer is arranged on the surface of the sieve plate to extend the service life of the sieve plate.
[0014] A second motor is arranged at the lower part of the sieve plate, and two rolling rollers are symmetrically arranged at the output end of the second motor. The rolling rollers on both sides are driven by the second motor to rotate to crush the blocky amino acid material.
[0015] Two vibration mechanisms are arranged at the lower part of the sieve plate. The vibration mechanism comprises a vibration shell fixedly connected to the inside of the material guide bin, and a vibration component is arranged at the output end of the vibration shell.
[0016] The vibration assembly includes an eccentric shaft arranged at the output end of the third motor, the upper portion of the eccentric shaft is rotatably connected to a connecting piece, the upper portion of the connecting piece is rotatably connected to a vibration rod, and the top of the vibration rod is fixedly connected to a sieve plate.
[0017] A mounting seat is fixedly connected inside the mixing shell, a third gear is rotatably connected to the upper portion of the mounting seat, an inner rod is rotatably connected to the left side of the mounting seat, and a fifth gear is rotatably connected to the lower portion of the mounting seat. A sound wave generator is arranged in the mixing shell to assist the mixing plate and the stirring blades in mixing the materials by emitting sound waves. The effect of the sound waves can break the adhesion between the materials, so that the materials are more evenly dispersed in the drying box, thereby further improving the uniformity of drying.
[0018] A method for using an amino acid production drying device comprises the following steps:
[0019] Step 1: When using, the amino acid material is pre-treated by filtering and screening before entering the drying box to ensure the uniformity and quality of the material;
[0020] Step 2: Preheat the air inside the drying box through the heating component to make the air in the drying box reach a suitable temperature. After the temperature is suitable, put the material into the feeding mechanism;
[0021] Step 3: Start the first motor, and drive the mixing plate to rotate through the first motor, so that the material entering the feeding mechanism enters the drying box evenly and continuously, and is evenly sprinkled to the bottom of the drying box under the rotation of the mixing plate, ensuring that the added material is difficult to accumulate;
[0022] Step 4: While the first motor drives the mixing plate to rotate, the stirring blade and scraper plate below will also rotate. The stirring blade rotates to stir the added amino acid material so that it is evenly dried, and the rotating scraper plate scrapes off the amino acid material attached to the inner wall of the drying box.
[0023] The present invention has the following beneficial effects:
[0024] 1. In the present invention, when the device is used, the amino acid material is processed and sent into the drying box through the feeding mechanism arranged on the upper part of the drying box. After the material enters, the first motor can be started, and the mixing plate can be driven to rotate by the first motor. The rotation of the mixing plate can evenly disperse the introduced material to various parts of the drying box, thereby effectively avoiding the accumulation of the added material and affecting the drying. While the mixing plate rotates, the scraper plate and the stirring blade arranged below rotate synchronously. The rotation of the stirring blade can evenly stir the input material, so that the material can be evenly dried, and the rotating scraper plate can scrape off the material adhering to the inner wall of the drying box.
[0025] 2. In the present invention, the block amino acid material is put into the guide bin through the feeding port, and the material can be rolled by two rolling rollers arranged inside the guide bin, so that the block material is crushed into small particles, and the granular amino acid material can fall through the filter holes on the sieve plate and be sent to the drying box. The sieve plate can also be driven to vibrate up and down through the vibration mechanism, so as to avoid the material blocking the filter holes during the screening process. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 This is a schematic diagram of the structure of an amino acid production drying device and method thereof proposed by the present invention;
[0027] Figure 2 It is a schematic diagram of the internal structure of the drying box in the present invention;
[0028] Figure 3 It is a schematic diagram of the structure of the mixing mechanism in the present invention;
[0029] Figure 4 Schematic diagram of the internal structure of the mixing shell in the present invention;
[0030] Figure 5 It is a schematic diagram of the structure of the material guiding mechanism in the present invention;
[0031] Figure 6 This is a schematic diagram of the internal structure of the material guide bin in the present invention;
[0032] Figure 7 It is a schematic diagram of the internal structure of the vibration shell in the present invention.
[0033] In the figure: 1. drying box; 2. material guide bin; 3. material feeding port; 4. exhaust pipe; 5. mixing shell; 6. first motor; 7. material discharge port; 8. heating component; 9. material guide port; 10. mixing plate; 11. scraper plate; 12. rotating rod; 13. stirring blade; 14. mounting seat; 15. first gear; 16. second gear; 17. third gear; 18. fourth gear; 19. fifth gear; 20. inner rod; 21. outer rod; 22. sieve plate; 23. rolling roller; 24. second motor; 25. vibration shell; 26. third motor; 27. eccentric shaft; 28. connecting piece; 29. vibration rod. DETAILED DESCRIPTION
[0034] 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.
[0035] like Figure 1-Figure 7 As shown, an amino acid production drying device and method thereof include a drying box 1, a heating component 8 is arranged at the bottom of the drying box 1, and the drying heat is controlled by the heating component 8; an exhaust pipe 4 is fixedly connected to the upper part of the drying box 1, and the moisture and waste gas generated by drying are discharged through the exhaust pipe 4; a discharge port 7 is arranged at the lower part of the drying box 1, and the dried amino acids are taken out through the discharge port 7.
[0036] A mixing mechanism is fixedly connected inside the drying box 1, and the mixing mechanism includes a mixing shell 5 fixedly connected to the upper part of the drying box 1, a first motor 6 is arranged on the upper part of the mixing shell 5, a first gear 15 is arranged at the output end of the first motor 6, the first gear 15 is meshedly connected to the second gear 16, the lower part of the second gear 16 is fixedly connected to the third gear 17, the third gear 17 is meshedly connected to the fourth gear 18, the lower part of the fourth gear 18 is meshedly connected to the fifth gear 19, the lower part of the fifth gear 19 is fixedly connected to the outer rod 21, the bottom of the outer rod 21 is fixedly connected to the mixing plate 10, and the lower part of the mixing plate 10 is symmetrically fixedly connected to the scraping plate 11, wherein the mixing plate 10 and the scraping plate 11 are in the drying box 1, and the scraping plate 11 is tightly fitted to the inner wall of the drying box 1, and the amino acid material attached to the inner wall of the drying box 1 can be scraped off during the rotation process. The bottom of the third gear 17 is fixedly connected to an inner rod 20 , which passes through the outer rod 21 and is rotatably connected to the outer rod 21 . The bottom of the outer rod 21 is fixedly connected to a rotating rod 12 , and stirring blades 13 are symmetrically fixedly connected on both sides of the rotating rod 12 . The stirring blades 13 are in the drying box 1 .
[0037] The upper part of the drying box 1 is provided with a feeding mechanism. After the amino acid material is fed into the drying box 1 through the feeding mechanism, the first motor 6 is started, and the third gear 17 is driven to rotate by the first motor 6. The rotation of the third gear 17 drives the inner rod 20 and the outer rod 21 to rotate synchronously. The rotation of the inner rod 20 drives the stirring blade 13 to rotate to stir the amino acid material. The rotation of the outer rod 21 drives the mixing plate 10 and the scraping plate 11 to rotate. The mixing plate 10 rotates to evenly spread the amino acid material to prevent material accumulation; the scraping plate 11 rotates to scrape the material adhering to the inner wall of the drying box 1.
[0038] Among them, a mounting base 14 is fixedly connected inside the mixing shell 5, a fourth gear 18 is rotatably mounted on the mounting base 14, a third gear 17 is rotatably connected to the upper part of the mounting base 14, and a fifth gear 19 is rotatably connected to the lower part of the mounting base 14. The third gear 17 and the fifth gear 19 are horizontally arranged opposite to each other in the upper and lower parts, and the fourth gear 18 is located between the two and the upper and lower parts are respectively meshed and connected with the third gear 17 and the fifth gear 19.
[0039] In this embodiment, when the device is used, the amino acid material is processed and sent into the drying box 1 through the feeding mechanism provided at the upper part of the drying box 1. After the material enters, the first motor 6 can be started, and the first gear 15 can be driven to rotate by the first motor 6. The rotation of the first gear 15 can drive the second gear 16 to rotate, and the rotation of the second gear 16 can drive the third gear 17 to rotate as well. The rotation of the third gear 17 can drive the inner rod 20 fixedly connected to the bottom and the fourth gear 18 meshingly connected on the right to rotate, and the rotation of the fourth gear 18 can drive the meshingly connected fifth gear 19 to rotate, and the rotation of the fifth gear 19 can drive the outer rod 21 fixedly connected to the bottom to rotate, and the rotation of the inner rod 20 can drive the rotating rod 12 provided at the lower part to rotate, and the rotation of the rotating rod 12 can drive the stirring blade 13 to rotate, and the rotation of the mixing plate 10 can evenly disperse the introduced material to various parts of the drying box 1, thereby effectively avoiding the accumulation of the added material and affecting the drying.
[0040] When the mixing plate 10 rotates, the scraper plate 11 arranged below can rotate. When the scraper plate 11 rotates, the stirring blade 13 arranged at the bottom can be driven to rotate through the outer rod 21. The input material can be stirred evenly by the rotation of the stirring blade 13, so that the material can be dried evenly, and the rotating scraper plate 11 can scrape off the material adhering to the inner wall of the drying box 1. By rotating the mixing plate 10, the scraper plate 11 and the stirring blade 13 at the same time, the material passed into the drying box 1 can be effectively mixed, thereby improving the drying effect of the amino acid material. The moisture and exhaust gas generated by drying can be discharged through the exhaust pipe 4, and the dried amino acid can be taken out through the discharge port 7 after drying.
[0041] like Figure 1-Figure 7As shown, a feeding port 3 is provided at the upper part of the feeding mechanism, and the amino acid material is fed into the feeding mechanism through the feeding port 3, and the feeding mechanism crushes the input block material and feeds it into the drying box 1 in the form of particles. The feeding mechanism includes a guide bin 2 fixedly connected to the upper part of the drying box 1, the upper part of the guide bin 2 is fixedly connected with the feeding port 3, the bottom of the guide bin 2 is fixedly connected with the guide port 9, and the inside of the guide bin 2 is slidably connected with a sieve plate 22, and the upper part of the sieve plate 22 is provided with a plurality of sieve holes. A second motor 24 is provided at the lower part of the sieve plate 22, and two rolling rollers 23 are symmetrically provided at the output end of the second motor 24, and the rolling rollers 23 on both sides are driven by the second motor 24 to rotate to crush the block amino acid material.
[0042] Two vibration mechanisms are arranged at the lower part of the sieve plate 22, and the vibration mechanism includes a vibration shell 25 fixedly connected to the inside of the material guide bin 2, and a vibration component is arranged in the vibration shell 25, and the vibration component includes an eccentric shaft 27 arranged at the output end of the third motor 26, and the upper part of the eccentric shaft 27 is rotatably connected to a connecting piece 28, and the upper part of the connecting piece 28 is rotatably connected to a vibration rod 29, and the top of the vibration rod 29 extends out of the vibration shell 25 and is fixedly connected to the sieve plate 22.
[0043] In this embodiment, the block amino acid material is fed into the sieve plate 22 arranged in the guide bin 2 through the feeding port 3, and then the second motor 24 is started to drive the rolling rollers 23 arranged on both sides to rotate, and the rotating rolling rollers 23 can roll the material, so that the block material is crushed into small particles, and the granular amino acid material can fall through the filter holes on the sieve plate 22 and be sent into the drying box 1; and by starting the third motor 26, the eccentric shaft 27 can be driven to rotate, and the rotation of the eccentric shaft 27 can drive the rotatably connected connecting member 28 to rotate, and the rotation of the connecting member 28 can drive the rotatably connected vibration rod 29 to move up and down, thereby driving the fixedly connected sieve plate 22 to vibrate up and down, thereby preventing the material from blocking the filter holes during the screening process.
[0044] 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. An amino acid production drying device, comprising a drying box (1), characterized in that: A mixing mechanism is fixedly connected inside the drying box (1), and the mixing mechanism comprises a mixing shell (5) fixedly connected to the upper part of the drying box (1); a first motor (6) is arranged on the upper part of the mixing shell (5); a first gear (15) is arranged at the output end of the first motor (6); the first gear (15) is meshedly connected to a second gear (16); a third gear (17) is fixedly connected to the lower part of the second gear (16); the third gear (17) is meshedly connected to a fourth gear (18); a fifth gear (19) is meshedly connected to the lower part of the fourth gear (18); an outer rod (21) is fixedly connected to the lower part of the fifth gear (19); a mixing plate (10) is fixedly connected to the bottom of the outer rod (21); a scraper plate (11) is symmetrically fixedly connected to the lower part of the mixing plate (10); The bottom of the third gear (17) is fixedly connected to an inner rod (20), the inner rod (20) penetrates the outer rod (21) and is rotatably connected to the outer rod (21), the bottom of the outer rod (21) is fixedly connected to a rotating rod (12), and stirring blades (13) are symmetrically fixedly connected to both sides of the rotating rod (12). A feeding mechanism is arranged on the upper part of the drying box (1). After the amino acid material is fed into the drying box (1) through the feeding mechanism, the first motor (6) is started, and the third gear (17) is driven to rotate by the first motor (6). The third gear (17) is driven to rotate by the third motor (6). The wheel (17) rotates to drive the inner rod (20) and the outer rod (21) to rotate synchronously. The rotation of the inner rod (20) drives the stirring blade (13) to rotate to stir the amino acid material. The rotation of the outer rod (21) drives the mixing plate (10) and the scraping plate (11) to rotate. The mixing plate (10) rotates to evenly spread the amino acid material to prevent material accumulation. The scraping plate (11) rotates to scrape off the material adhered to the inner wall of the drying box (1). A heating component (8) is provided at the bottom of the drying box (1), and the drying heat is controlled by the heating component (8).
2. An amino acid production drying device according to claim 1, characterized in that: An exhaust pipe (4) is fixedly connected to the upper portion of the drying box (1), and moisture and waste gas generated by drying are discharged through the exhaust pipe (4).
3. An amino acid production drying device according to claim 1, characterized in that: The lower part of the drying box (1) is provided with a discharge port (7), through which the dried amino acids are taken out.
4. The amino acid production drying device according to claim 1, characterized in that: The feeding mechanism is provided with a feeding port (3) at the top, and the amino acid material is fed into the feeding mechanism through the feeding port (3), and the feeding mechanism breaks the fed block material into pieces and feeds it into the drying box (1) in the form of particles.
5. The amino acid production drying device according to claim 1, characterized in that: The feeding mechanism comprises a material guide bin (2) fixedly connected to the upper part of the drying box (1), a feeding port (3) fixedly connected to the upper part of the material guide bin (2), a sieve plate (22) slidably connected inside the material guide bin (2), and a material guide port (9) fixedly connected to the bottom of the material guide bin (2).
6. An amino acid production drying device according to claim 5, characterized in that: A second motor (24) is arranged at the lower part of the sieve plate (22), and two rolling rollers (23) are symmetrically arranged at the output end of the second motor (24). The rolling rollers (23) on both sides are driven by the second motor (24) to rotate to crush the blocky amino acid material.
7. The amino acid production drying device according to claim 5, characterized in that: Two vibration mechanisms are arranged at the lower part of the sieve plate (22), and the vibration mechanism comprises a vibration shell (25) fixedly connected to the inside of the material guide bin (2), and a vibration component is arranged at the output end of the vibration shell (25).
8. An amino acid production drying device according to claim 7, characterized in that: The vibration assembly comprises an eccentric shaft (27) arranged at the output end of a third motor (26); the upper portion of the eccentric shaft (27) is rotatably connected to a connecting piece (28); the upper portion of the connecting piece (28) is rotatably connected to a vibration rod (29); and the top of the vibration rod (29) is fixedly connected to a sieve plate (22).
9. The amino acid production drying device according to claim 1, characterized in that: The mixing housing (5) is fixedly connected to a mounting seat (14) inside, the upper portion of the mounting seat (14) is rotatably connected to a third gear (17), the left side of the mounting seat (14) is rotatably connected to an inner rod (20), and the lower portion of the mounting seat (14) is rotatably connected to a fifth gear (19).
10. The method for using the amino acid production drying device according to claim 1, characterized in that: The following steps are involved: Step 1: When in use, the amino acid material is pre-treated by filtering and screening before entering the drying box (1) to ensure the uniformity and quality of the material; Step 2: preheating the air inside the drying box (1) by means of a heating component (8) so that the air inside the drying box (1) reaches a suitable temperature, and after the temperature is suitable, feeding the material into the feeding mechanism; Step 3: Start the first motor (6), and drive the mixing plate (10) to rotate through the first motor (6), so that the material entering the feeding mechanism enters the drying box (1) evenly and continuously, and is evenly sprinkled to the bottom of the drying box (1) under the rotation of the mixing plate (10), ensuring that the added material is difficult to accumulate; Step 4: While the first motor (6) drives the mixing plate (10) to rotate, the stirring blade (13) and the scraper plate (11) below also rotate. The stirring blade (13) rotates to stir the added amino acid material so that it is dried evenly, and the rotating scraper plate (11) scrapes off the amino acid material attached to the inner wall of the drying box (1).
Citation Information
Patent Citations
Amino acid production drying device with caking crushing function
CN117387332A