Amino acid stirring fermentation tank

Abstract

The invention discloses an amino acid stirring fermentation tank, and relates to the technical field of amino acid production. The device comprises a tank body, a stirring device, a heat exchange device and a plurality of gas supply assemblies, an inner cylinder is fixed to the inner wall of the tank body, a spiral groove is formed in the inner cylinder, a heat exchange interlayer is formed between the inner cylinder and the tank body, a mounting frame used for mounting the heat exchange device is arranged on one side in the tank body, and the top and the bottom of the heat exchange device extend to the top and the bottom in the tank body correspondingly; the stirring device comprises a motor, a stirring shaft and a plurality of paddle mechanisms. By designing the novel stirring shaft and the paddle mechanism, the function that the angles of all blades on the stirring shaft are adjustable can be achieved, adjustment can be conducted according to different requirements of biological effective bacteria on the oxygen amount in the fermentation process, it is ensured that stirring power consumption is lowest, energy consumption is reduced, oxygen can be supplied in the tank through the design of the air supply assembly, and the energy consumption is reduced. The requirement for oxygen content in the zymophyte growth process is met, and the zymophyte makes full contact with air, so that the fermentation effect and efficiency are improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of amino acid production, and particularly relates to an amino acid stirring fermentation tank. Background Art

[0002] The production methods of amino acids include amino acid hydrolysis method, chemical synthesis method, phosphorylation reaction method, and microbial fermentation method. Different preparation methods are applicable to different amino acids, and their selection often depends on factors such as economy, product purity, process performance, and environmental protection.

[0003] Amino acid fermentation is to cultivate microorganisms in a culture medium mainly composed of sugars and ammonium salts to accumulate specific amino acids. It is a process of using the growth and metabolic activities of fermenting microorganisms to produce various amino acids. The key is the amino acid fermentation tank.

[0004] In the process of using the existing amino acid fermentation tank, stirring is mainly carried out by a stirrer with a fixed wing, and temperature control is carried out through a heat exchange device. However, amino acids need to be fully stirred while supplying oxygen and temperature control is required, and the requirements at each stage are different. The existing fermentation tank has poor flexibility, resulting in high fermentation costs and low conversion efficiency. Summary of the Invention

[0005] The purpose of the present invention is to provide an amino acid stirring fermentation tank. By designing a new type of stirring shaft and blade mechanism, the function of adjustable angles of all blades on the stirring shaft can be realized, which can be adjusted according to the different requirements of biological effective bacteria for the amount of oxygen during the fermentation process, ensuring the lowest stirring power consumption and reducing energy consumption. Through the design of the air supply component, oxygen can be supplied in the tank to meet the demand for oxygen content during the growth of fermenting bacteria. The full contact between the fermenting bacteria and air improves the fermentation effect and efficiency.

[0006] To solve the above technical problems, the present invention is realized through the following technical solutions: The present invention is an amino acid stirring fermentation tank, which includes a tank body, a stirring device, a heat exchange device, and a plurality of air supply components; An inner cylinder is fixed on the inner wall of the tank body. The inner cylinder is provided with a spiral groove and forms a heat exchange interlayer with the tank body; An installation rack for installing the heat exchange device is provided on one side inside the tank body. The top and bottom of the heat exchange device respectively extend to the top and bottom inside the tank body; The stirring device includes a motor, a stirring shaft, and a plurality of blade mechanisms; The motor is fixed on the top of the tank body. The stirring shaft is composed of a core shaft and a sleeve shaft sleeved outside the core shaft. The top of the sleeve shaft is connected to the output end of the motor through a connection mechanism, and the bottom of the sleeve shaft is rotatably connected to the bottom of the tank body through a support; The circumferential side surface of the mandrel is provided with a first worm gear and a plurality of second worm shafts. A relief opening for cooperating with the first worm gear and the second worm shafts is arranged inside the sleeve shaft. An expanded neck portion is formed at the position outside the second worm shaft on the sleeve shaft. Two outer sleeve pipes that are centrosymmetric about the central point of the axis of the expanded neck portion are fixed on the circumferential side surface of the expanded neck portion. An inner groove opposite to the outer sleeve pipes and the second worm shafts is arranged inside the expanded neck portion. The connecting mechanism includes a motor coupling sleeve, a middle coupling sleeve, and a sleeve shaft coupling sleeve that are connected in sequence. A straight groove opposite to the first worm gear is arranged on the circumferential side surface and the top end of the sleeve shaft coupling sleeve. A first worm shaft that meshes with the first worm gear is arranged inside the straight groove. The blade mechanism includes two blades. One end of each blade is fixed with a paddle shaft. The paddle shaft is rotatably arranged inside the outer sleeve pipe. A second worm gear that meshes with the second worm shaft and is located inside the inner groove is arranged at the end of the paddle shaft. The air supply assembly includes a collecting pipe. The collecting pipe is horizontally arranged inside the tank body and is offset from the stirring device. Two branch pipes are arranged on the collecting pipe. A distribution mechanism is arranged on the branch pipes. One end of the collecting pipe is fixedly connected with an air supply pipe that extends outside the tank body. A first support column is obliquely arranged between the branch pipe and the inner wall of the tank body.

[0007] Further, the distribution mechanism includes a pipe body. The pipe body is vertically connected to the circumferential side surface of the branch pipe. A conical opening communicating with the pipe body is arranged on the branch pipe. A maintaining frame is arranged inside the outer end of the pipe body. An air outlet groove is formed between the maintaining frame and the pipe body. A sliding rod is penetrated and slidably connected on the maintaining frame. A conical head that is in clearance fit with the conical opening is arranged at one end of the sliding rod. A spring sleeved outside the sliding rod is fixed between the conical head and the maintaining frame.

[0008] Further, a plurality of partition edges are arranged on the inner cylinder body. The plurality of partition edges divide the heat exchange interlayer into a plurality of heat exchange chambers. An input pipe and an output pipe connected to the top and bottom of the heat exchange chamber are fixed on the outside of the tank body.

[0009] Further, the heat exchange device is composed of a plurality of heat exchange tube groups vertically distributed. Each heat exchange tube group includes an upper integrated box, a lower liquid supply pipe, and a lower liquid discharge pipe. Heat exchange tubes are arranged between the lower liquid supply pipe and the lower liquid discharge pipe and the upper integrated box. The heat exchange tubes are threaded tubes, waist-shaped tubes, or oval tube bodies.

[0010] Further, a plurality of orifice plates are linearly fixed inside the mounting frame. The heat exchange tubes penetrate through the holes on the orifice plates.

[0011] Further, both the lower liquid supply pipe and the lower liquid discharge pipe are of a horizontal pipe structure. Second support columns are arranged between both the lower liquid supply pipe and the lower liquid discharge pipe and the inner wall of the tank body.

[0012] Further, a mounting platform is fixed on the top of the tank body through four columns. The motor is fixed on the top of the mounting platform.

[0013] Furthermore, a feed inlet misaligned with the column and the mounting table is provided at the top of the tank body. The feed inlet is located directly above the heat exchange device. A number of impact protection frames with gradually increasing specifications are fixed to the inner wall of the tank body, and the number of said impact protection frames is linearly arranged between the feed inlet and the heat exchange device.

[0014] Furthermore, a chassis is fixed to the bottom of the tank body, and a discharge pipe is connected to the bottom of the tank body. The discharge pipe is arranged inside the chassis.

[0015] Furthermore, detection areas are provided both on the upper and lower parts of the outer side of the tank body, and a number of detection holes penetrating the side wall of the tank body are provided at the positions of the detection areas.

[0016] The present invention has the following beneficial effects: 1. By designing a novel stirring shaft and blade mechanism, the present invention can achieve the function of adjustable angles of all blades on the stirring shaft, and can be adjusted according to the different requirements of bioactive bacteria for the amount of oxygen during the fermentation process, ensuring the lowest stirring power consumption and reducing energy consumption. Through the design of the air supply component, oxygen can be supplied inside the tank to meet the demand for oxygen content during the growth process of the fermentation bacteria. The full contact between the fermentation bacteria and the air improves the fermentation effect and efficiency.

[0017] 2. By designing a tank body with a heat exchange interlayer, the present invention can perform heat exchange at the peripheral position, increasing the heat exchange area. In combination with the design of the heat exchange device inside the tank, the two heat exchange systems operate synchronously to improve the heating effect and temperature control ability of the tank body, providing an optimal growth environment for amino acid fermentation bacteria, improving the fermentation efficiency of the product, and reducing energy consumption.

[0018] 3. Through the design of the distribution mechanism on the air supply component, the present invention can export gas through pressure. At the same time, through the cooperation between the conical head and the conical opening, an annular air beam can be formed, which is convenient for uniform mixing with the fermentation material. At the same time, it has a self-locking ability to prevent the problem of bacterial contamination caused by the material entering the air supply component, improving the fermentation effect.

[0019] 4. Through the design of the detection area, the present invention can install various types of detection components, and can monitor in real time the different demands for oxygen consumption, the pressure inside the tank, the temperature and pH value of the fermentation broth, etc. at different stages during the fermentation process, facilitating the establishment of the most suitable rapid growth environment for the fermentation bacteria and achieving precise control.

[0020] Of course, it is not necessary for any product implementing the present invention to simultaneously achieve all the above-mentioned advantages. Description of the Drawings

[0021] To more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0022] Figure 1 Structural schematic diagram of an amino acid stirring fermentation tank of the present invention; Figure 2 is Figure 1 Partial enlarged view at A in; Figure 3 Structural schematic diagram of the connection part of the paddle mechanism, the core shaft and the neck expansion part; Figure 4 is Figure 3 Structural schematic diagram after partial resection; Figure 5 Structural schematic diagram of the air supply component; Figure 6 Structural sectional view at the position of the distribution mechanism; Figure 7 Structural schematic diagram of the connection part of the connection mechanism and the stirring shaft; Figure 8 is Figure 7 Structural sectional view of; Figure 9 is Figure 7 Structural schematic diagram after partial resection; In the drawings, the list of components represented by each reference numeral is as follows: 1 - Tank body, 2 - Blade mechanism, 3 - Heat exchange device, 4 - Gas supply assembly, 5 - Motor, 6 - Stirring shaft, 101 - Inner cylinder, 102 - Spiral groove, 103 - Mounting frame, 104 - Support, 105 - Detection area, 106 - Input pipe, 107 - Output pipe, 108 - Orifice plate, 109 - Column, 110 - Mounting table, 111 - Feed inlet, 112 - Impact prevention frame, 113 - Bottom frame, 114 - Discharge pipe, 201 - Blade, 202 - Blade shaft, 203 - Second worm gear, 301 - Upper integrated box, 302 - Lower liquid supply pipe, 303 - Lower drain pipe, 304 - Heat exchange pipe, 305 - Second support column, 401 - Summarizing pipe, 402 - Branch pipe, 403 - Distribution mechanism, 404 - Gas supply pipe, 405 - First support column, 406 - Pipe body, 407 - Conical opening, 408 - Retaining frame, 409 - Slide bar, 410 - Conical head, 411 - Spring, 601 - Sleeve shaft, 602 - Core shaft, 603 - Motor coupling sleeve, 604 - Middle coupling sleeve, 605 - Sleeve shaft coupling sleeve, 606 - Straight groove, 607 - Relief opening, 608 - Expanded neck, 609 - First worm gear, 610 - Second worm, 611 - Outer sleeve pipe, 612 - First worm, 613 - Inner groove. Detailed implementation manners

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0024] Please refer to Figures 1-9 As shown in the figure, the present invention is an amino acid stirring fermentation tank, including a tank body 1, a stirring device, a heat exchange device 3, and a plurality of gas supply assemblies 4; The inner wall of the tank body 1 is fixed with an inner cylinder 101, and the inner cylinder 101 is provided with a spiral groove 102 and forms a heat exchange interlayer with the tank body 1; One side inside the tank body 1 is provided with a mounting frame 103 for installing the heat exchange device 3, and the top and bottom of the heat exchange device 3 respectively extend to the top and bottom inside the tank body 1; The stirring device includes a motor 5, a stirring shaft 6, and a plurality of blade mechanisms 2; The motor 5 is fixed on the top of the tank body 1. The stirring shaft 6 is composed of a core shaft 602 and a sleeve shaft 601 sleeved outside the core shaft 602. The top end of the sleeve shaft 601 is connected to the output end of the motor 5 through a connecting mechanism, and the bottom end of the sleeve shaft 601 is rotatably connected to the bottom of the tank body 1 through a support 104; A first worm gear 609 and several second worm shafts 610 are provided on the circumferential side of the mandrel 602. A relief opening 607 that cooperates with the first worm gear 609 and the second worm shafts 610 is provided inside the sleeve shaft 601. An expanded neck portion 608 is formed at a position outside the second worm shafts 610 on the sleeve shaft 601. Two outer sleeve pipes 611 that are centrosymmetric with respect to the center point of the axis of the expanded neck portion 608 are fixed on the circumferential side of the expanded neck portion 608. An inner groove 613 that faces the outer sleeve pipes 611 and the second worm shafts 610 is provided inside the expanded neck portion 608. The connecting mechanism includes a motor coupling sleeve 603, an intermediate coupling sleeve 604, and a sleeve shaft coupling sleeve 605 that are connected in sequence. A straight groove 606 that faces the first worm gear 609 is provided on the circumferential side of the sleeve shaft coupling sleeve 605 and the top end of the sleeve shaft 601. A first worm shaft 612 that meshes with the first worm gear 609 is provided inside the straight groove 606. Among them, the motor coupling sleeve 603 is connected to the output end of the motor 5 through a key and pin mechanism, and the sleeve shaft coupling sleeve 605 is connected to the top end of the sleeve shaft 601 through a key and pin mechanism. The blade mechanism 2 includes two blades 201. One end of the blade 201 is fixed with a blade shaft 202. The blade shaft 202 is rotatably arranged inside the outer sleeve pipe 611. A second worm gear 203 that meshes with the second worm shaft 610 and is located inside the inner groove 613 is provided at the end of the blade shaft 202. The air supply assembly 4 includes a manifold 401. The manifold 401 is horizontally arranged inside the tank body 1 and is offset from the stirring device. Two branch pipes 402 are provided on the manifold 401. A distribution mechanism 403 is provided on the branch pipes 402. One end of the manifold 401 is fixedly connected with an air supply pipe 404 that extends outside the tank body 1. A first support column 405 is obliquely arranged between the branch pipe 402 and the inner wall of the tank body 1.

[0025] Among them, as Figures 5-6 shown, the distribution mechanism 403 includes a pipe body 406. The pipe body 406 is vertically connected to the circumferential side of the branch pipe 402. A tapered opening 407 that communicates with the pipe body 406 is provided on the branch pipe 402. A retaining frame 408 is provided inside the outer end of the pipe body 406. An air outlet groove is formed between the retaining frame 408 and the pipe body 406. A sliding rod 409 is penetrated and slidably connected to the retaining frame 408. A tapered head 410 that has a clearance fit with the tapered opening 407 is provided at one end of the sliding rod 409. A spring 411 that sleeves outside the sliding rod 409 is fixed between the tapered head 410 and the retaining frame 408.

[0026] Among them, as Figures 1-2 shown, a number of partition edges are provided on the inner cylinder 101. The number of partition edges divides the heat exchange interlayer into a number of heat exchange chambers. An input pipe 106 and an output pipe 107 that are connected to the top and bottom of the heat exchange chamber are fixed outside the tank body 1.

[0027] Among them, as Figure 1As shown in the figure, the heat exchange device 3 is composed of a number of vertically distributed heat exchange tube groups. Each heat exchange tube group includes an upper integrated tank 301, a lower liquid supply pipe 302, and a lower drain pipe 303. A heat exchange tube 304 is provided between the lower liquid supply pipe 302 and the lower drain pipe 303 and the upper integrated tank 301. The heat exchange tube 304 is a threaded tube, a kidney-shaped tube, or an oval tube body.

[0028] As shown in Figure 1 the figure, a number of orifice plates 108 are linearly fixed in the mounting frame 103, and the heat exchange tubes 304 pass through the holes in the orifice plates 108.

[0029] As shown in Figure 1 the figure, both the lower liquid supply pipe 302 and the lower drain pipe 303 are horizontal pipe structures, and second support columns 305 are provided between the lower liquid supply pipe 302 and the lower drain pipe 303 and the inner wall of the tank body 1.

[0030] As shown in Figure 1 the figure, a mounting platform 110 is fixed at the top of the tank body 1 through four columns 109, and the motor 5 is fixed at the top of the mounting platform 110.

[0031] As shown in Figure 1 the figure, a feed inlet 111 that is misaligned with the columns 109 and the mounting platform 110 is provided at the top of the tank body 1. The feed inlet 111 is located directly above the heat exchange device 3. A number of impact protection frames 112 with gradually increasing specifications are fixed on the inner wall of the tank body 1, and the number of impact protection frames 112 is linearly arranged between the feed inlet 111 and the heat exchange device 3.

[0032] As shown in Figure 1 the figure, a bottom frame 113 is fixed at the bottom of the tank body 1, and a discharge pipe 114 is connected to the bottom of the tank body 1. The discharge pipe 114 is arranged inside the bottom frame 113.

[0033] As shown in Figure 1 the figure, detection areas 105 are provided on both the upper and lower parts of the outer side of the tank body 1, and a number of detection holes penetrating the side wall of the tank body 1 are provided at the positions of the detection areas 105.

[0034] The working principle of the present invention is as follows: The heat exchange device 3 can heat the material in the tank body 1 through heat exchange. At the same time, the material is heated synchronously through the flow of the heat exchange medium in the heat exchange interlayer. Gas is supplied to the collecting pipe 401 through the gas supply pipe 404, and the gas can be dispersed and discharged through the branch pipes 402 and the distribution mechanism 403. The mixing degree of the material in the tank body 1 is improved through the gas. At the same time, the stirring shaft 6 is rotated by the motor 5, and stirring and mixing can be carried out through the blades 201.

[0035] After continuous fermentation for a period of time, the motor 5 is shut down. By turning the first worm 612 in cooperation with the first worm gear 609, the mandrel 602 can be driven to rotate a certain angle within the sleeve shaft 601. Correspondingly, by the cooperation of the second worm 610 and the second worm gear 203, the blade 201 can be driven to rotate a certain angle. After the adjustment is completed, the motor 5 is restarted to run for stirring.

[0036] In the description of this specification, the descriptions referring to the terms "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0037] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not elaborate all the details, nor do they limit the invention to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. An amino acid stirring fermentation tank, comprising a tank body (1), a stirring device and a heat exchange device (3), characterized in that: It further includes a number of gas supply components (4); An inner cylinder (101) is fixed to the inner wall of the tank body (1). A spiral groove (102) is provided on the inner cylinder (101), and a heat exchange interlayer is formed between the inner cylinder (101) and the tank body (1); An installation frame (103) for installing the heat exchange device (3) is provided on one side inside the tank body (1). The top and bottom of the heat exchange device (3) respectively extend to the top and bottom inside the tank body (1); The stirring device includes a motor (5), a stirring shaft (6), and a number of blade mechanisms (2); The motor (5) is fixed to the top of the tank body (1). The stirring shaft (6) is composed of a core shaft (602) and a sleeve shaft (601) sleeved outside the core shaft (602). The top end of the sleeve shaft (601) is connected to the output end of the motor (5) through a connection mechanism. The bottom end of the sleeve shaft (601) is rotatably connected to the bottom of the tank body (1) through a support (104); A first worm gear (609) and a number of second worm shafts (610) are provided on the circumferential side of the core shaft (602). A relief opening (607) for cooperating with the first worm gear (609) and the second worm shafts (610) is provided inside the sleeve shaft (601). An expanded neck portion (608) is formed on the sleeve shaft (601) at a position outside the second worm shafts (610). Two outer sleeve pipes (611) that are centrosymmetric about the center point of the axis of the expanded neck portion (608) are fixed to the circumferential side of the expanded neck portion (608). An inner groove (613) opposite to the outer sleeve pipes (611) and the second worm shafts (610) is provided inside the expanded neck portion (608); The connection mechanism includes a motor coupling sleeve (603), an intermediate coupling sleeve (604), and a sleeve shaft coupling sleeve (605) connected in sequence. A straight groove (606) opposite to the first worm gear (609) is provided on the circumferential side of the sleeve shaft coupling sleeve (605) and the top end of the sleeve shaft (601). A first worm shaft (612) meshing with the first worm gear (609) is provided inside the straight groove (606); The blade mechanism (2) includes two blades (201). One end of each blade (201) is fixed with a blade shaft (202). The blade shaft (202) is rotatably arranged inside the outer sleeve pipe (611). A second worm gear (203) meshing with the second worm shafts (610) and located inside the inner groove (613) is provided at the end of the blade shaft (202); The gas supply component (4) includes a manifold pipe (401). The manifold pipe (401) is horizontally arranged inside the tank body (1) and is offset from the stirring device. Two branch pipes (402) are provided on the manifold pipe (401). A distribution mechanism (403) is provided on the branch pipes (402). One end of the manifold pipe (401) is fixedly connected with a gas supply pipe (404) extending outside the tank body (1). A first support column (405) is obliquely arranged between the branch pipe (402) and the inner wall of the tank body (1).

2. The amino acid stirring fermenter according to claim 1, characterized in that, The distribution mechanism (403) includes a pipe body (406) vertically connected to the peripheral side of a branch pipe (402). A conical opening (407) communicating with the pipe body (406) is provided on the branch pipe (402). A retaining frame (408) is provided inside the outer end of the pipe body (406). An air outlet groove is formed between the retaining frame (408) and the pipe body (406). A sliding rod (409) is penetrated through and slidably connected to the retaining frame (408). A conical head (410) in clearance fit with the conical opening (407) is provided at one end of the sliding rod (409). A spring (411) sleeved outside the sliding rod (409) is fixed between the conical head (410) and the retaining frame (408).

3. The amino acid stirring fermentation tank according to claim 1, characterized in that, A number of partition edges are provided on the inner cylinder body (101). The heat exchange interlayer is divided into a number of heat exchange cavities by the partition edges. An input pipe (106) and an output pipe (107) connected to the top and bottom of the heat exchange cavity are fixedly provided outside the tank body (1).

4. An amino acid stirring fermentation tank according to claim 1, characterized in that, The heat exchange device (3) is composed of a number of vertically distributed heat exchange tube groups. Each heat exchange tube group includes an upper integrated box (301), a lower liquid supply pipe (302) and a lower liquid discharge pipe (303). Heat exchange tubes (304) are provided between the lower liquid supply pipe (302) and the lower liquid discharge pipe (303) and the upper integrated box (301). The heat exchange tubes (304) are threaded tubes or waist-shaped tubes or oval tube bodies.

5. An amino acid stirring fermentation tank according to claim 4, characterized in that, A number of orifice plates (108) are linearly fixed in the mounting frame (103). The heat exchange tubes (304) penetrate through the holes in the orifice plates (108).

6. The amino acid stirring fermenter according to claim 4, characterized in that, Both the lower liquid supply pipe (302) and the lower liquid discharge pipe (303) are of a horizontal pipe structure. Second support columns (305) are provided between both the lower liquid supply pipe (302) and the lower liquid discharge pipe (303) and the inner wall of the tank body (1).

7. An amino acid stirring fermentation tank according to claim 1, characterized in that, The top of the tank body (1) is fixed with a mounting platform (110) through four columns (109). The motor (5) is fixed on the top of the mounting platform (110).

8. An amino acid stirring fermentation tank according to claim 7, characterized in that, A feed inlet (111) offset from the columns (109) and the mounting platform (110) is provided at the top of the tank body (1). The feed inlet (111) is located directly above the heat exchange device (3). A number of anti-impact frames (112) with gradually increasing specifications are fixedly provided on the inner wall of the tank body (1). The anti-impact frames (112) are linearly arranged between the feed inlet (111) and the heat exchange device (3).

9. The amino acid stirring fermenter according to claim 1, wherein The bottom of the tank body (1) is fixed with a bottom frame (113). A discharge pipe (114) is connected to the bottom of the tank body (1). The discharge pipe (114) is arranged inside the bottom frame (113).

10. An amino acid stirring fermentation tank according to claim 1, characterized in that, Detection areas (105) are provided on both the upper and lower parts of the outer side of the tank body (1). A number of detection holes penetrating the side wall of the tank body (1) are provided at the positions of the detection areas (105).

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