A fermentation device for preparing raw materials of glutamic acid

Abstract

The present invention relates to the technical field of fermentation equipment, and specifically to a fermentation device for glutamic acid preparation raw materials, including a fixed base, a tank cover, a mixing component and a sampling component. The present invention arranges a material replacement component inside a fermentation tank, mixes the glutamic acid preparation raw materials inside the fermentation tank through the mixing component, and uses the mixing component to introduce oxygen required for raw material fermentation into the fermentation tank. Compared with the traditional method of introducing oxygen into the fermentation tank, by allowing oxygen to be directly introduced into the fermentation raw materials, the fermentation efficiency of the raw materials can be greatly improved and the fermentation effect of the raw materials can be ensured; at the same time, by fixing the sampling components around the fermentation tank, the sampling components are used to sample the fermentation raw materials of glutamic acid at different positions inside the fermentation tank, and the fermentation raw materials are quality tested and process monitored to ensure the stability of the fermentation process and the quality of the glutamic acid product.

Description

Technical Field

[0001] The invention relates to the technical field of fermentation equipment, in particular to a fermentation device for preparing raw materials of glutamic acid. Background Art

[0002] Glutamic acid fermentation production is a biochemical process in which glutamate-producing bacteria decompose and metabolize nutrients and synthesize the required product, glutamate, during their life activities. Glutamate-producing bacteria are both the main body of the glutamate fermentation reaction process and the biological catalyst of the reaction process. Glutamate-producing bacteria used in industry include Corynebacterium glutamicum, Brevibacterium lactofermentum, Brevibacterium sparse, Brevibacterium flavum, and Brevibacterium ammoniaphagoides.

[0003] In order to avoid substrate exhaustion, excessive growth of glutamate bacteria and waste generation during the fermentation of glutamate raw materials, existing fermentation equipment can only sample fermentation raw materials at fixed positions, and cannot fully understand the growth status and vitality of microorganisms. As a result, the monitoring accuracy of the raw material fermentation process is reduced, resulting in large errors in the analysis results of the sampling process.

[0004] Therefore, we proposed a fermentation device for preparing raw materials of glutamic acid. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a fermentation device for preparing raw materials of glutamic acid, which is used to solve the above-mentioned technical defects.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A fermentation device for preparing raw materials of glutamic acid, comprising:

[0007] A fixed base, wherein a fermentation tank is fixedly arranged on the top of the fixed base, and a discharge pipe is fixedly arranged on the bottom of the fermentation tank;

[0008] A tank cover, wherein the top of the fermentation tank is sealed with a tank cover, and a feed pipe is arranged on the top of the tank cover;

[0009] A mixing component, wherein the fermentation tank is provided with a mixing component, and the glutamic acid preparation raw materials in the fermentation tank are mixed by the mixing component;

[0010] A sampling component is also provided inside the fermentation tank, and the fermentation raw materials of glutamic acid inside the fermentation tank are sampled by the sampling component;

[0011] The mixing assembly comprises a mixing frame, a driving frame is fixedly arranged on the top of the tank cover, and a servo motor is fixedly arranged on the top of the driving frame, a rotating rod is rotatably arranged inside the driving frame, and the top end of the rotating rod is fixedly connected to the output shaft of the servo motor through a coupling, the bottom end of the rotating rod passes through the tank cover and extends to the inside of the fermentation tank, and a mixing frame is fixedly arranged on the surface of the rotating rod located inside the fermentation tank, and a plurality of mixing plates are fixedly arranged inside the mixing frame;

[0012] An air guide frame is fixedly arranged inside the driving frame, and a connecting frame is rotatably arranged inside the air guide frame, the interior of the connecting frame is connected with the interior of the air guide frame, an air supply pipe is fixedly arranged on one side of the driving frame, and the interior of the air supply pipe is connected with the interior of the air guide frame, the interior of the connecting frame is fixedly connected to the upper surface of the rotating rod, and the interior of the connecting frame is connected with the interior of the rotating rod, a plurality of air outlet holes are arranged on the surface of the rotating rod, and the interiors of the plurality of air outlet holes are connected with the interior of the rotating rod.

[0013] Preferably, a heat exchange tube is fixedly disposed inside the fermenter, two circulation tubes are fixedly disposed on one side of the fermenter, and one end of the two circulation tubes is respectively connected to the two ends of the heat exchange tube.

[0014] Preferably, a slag discharge pipe is also provided on one side of the discharge pipe, and a slag discharge filter is rotatably provided inside the discharge pipe.

[0015] Preferably, the sampling assembly includes a fixed frame, fixed frames are fixedly arranged on all four sides of the fermentation tank surface, and sampling tubes are movably arranged inside the four fixed frames, a piston frame is movably arranged on the top of the sampling tube, and the bottom of the piston frame is slidably connected to the inside of the sampling tube.

[0016] Preferably, a first servo electric cylinder is fixedly provided on one side of the inner wall of the fixing frame, and a connecting plate is fixedly provided on the driving end of the first servo electric cylinder, and the top of the connecting plate is in contact with the bottom of the piston frame.

[0017] Preferably, a material storage tube is fixedly arranged at the lower part of the fixed frame, and the top of the material storage tube is sealed and connected to the bottom end of the sampling tube, a material extraction tube is movably arranged on one side of the material storage tube, a second servo electric cylinder is fixedly arranged on one side of the inner wall of the fixed frame, and the driving end of the second servo electric cylinder is fixedly connected to one side of the material extraction tube, one end of the material extraction tube is movably connected to the interior of the fermentation tank, and an automatic control valve is arranged inside one end of the material extraction tube.

[0018] Preferably, driving screws are rotatably arranged around the inside of the fermenter, and a movable frame is threadedly arranged on the surface of the driving screws. Limiting frames are fixedly arranged around the inner wall of the fermenter, and one side of the movable frame is slidably connected to one side of the limiting frame.

[0019] Preferably, a sampling chamber is provided inside the movable frame, and a piston plate is slidably provided inside the sampling chamber, a third servo electric cylinder is fixedly provided at the bottom of the inner wall of the sampling chamber, and the driving end of the third servo electric cylinder is fixedly connected to the bottom of the piston plate, a sampling port is provided on one side of the inner wall of the sampling chamber, and an automatic control valve is provided inside the sampling port, a sampling channel is also provided on one side of the sampling chamber, and one end of the extraction tube extends to the interior of the sampling channel for communication.

[0020] Preferably, a fixing frame is fixedly provided on all four sides of the top of the tank cover, and a fourth servo electric cylinder is fixedly provided on the top of the fixing frame. A transmission gear is movably provided inside the fixing frame, and the top of the transmission gear is rotatably connected to the driving end of the fourth servo electric cylinder.

[0021] Preferably, the top end of the driving screw rod passes through the fixed frame and extends to the interior of the fixed frame, and a driven gear is fixedly provided at the top end of the driving screw rod, and a driving gear is also fixedly provided above the surface of the rotating rod, and the surface of the transmission gear is respectively meshed with the surfaces of the driving gear and the driven gear for transmission.

[0022] Compared with the prior art, it has the following beneficial effects:

[0023] 1. In the present invention, a material changing component is arranged inside a fermenter, and the glutamic acid preparation raw materials inside the fermenter are mixed by a mixing component. At the same time, oxygen required for raw material fermentation is introduced into the fermenter by the mixing component. Compared with the traditional method of introducing oxygen into the fermenter, by allowing oxygen to be directly introduced into the fermentation raw materials, the fermentation efficiency of the raw materials can be greatly improved, and the fermentation effect of the raw materials can be guaranteed; at the same time, sampling components are fixedly arranged around the fermenter, and the sampling components are used to sample the fermentation raw materials of glutamic acid at different positions inside the fermenter, and the fermentation raw materials are quality tested and the process is monitored to ensure the stability of the fermentation process and the quality of the glutamic acid product. By sampling and testing the fermentation raw materials at different positions inside the fermenter, timely data and information can be provided for optimization and monitoring of the fermentation process, thereby ensuring the quality and production efficiency of the glutamic acid product.

[0024] 2. In the present invention, when sampling the raw materials inside the fermentation tank, the driving end of the second servo electric cylinder controls the extraction pipe to enter the interior of the fermentation tank, and then the fermentation raw materials inside the fermentation tank are sent into the interior of the storage pipe through the extraction pipe, and then the driving end of the first servo electric cylinder controls the piston frame to lift, and the extraction pipe is used to extract the fermentation raw materials inside the storage pipe, thereby realizing automatic sampling of the fermentation raw materials inside the fermentation tank.

[0025] 3. When sampling the fermentation raw materials inside the fermentation tank, the driving screw is controlled to rotate clockwise, the movable frame is moved upward along the driving screw, and the position of the movable frame is adjusted, thereby sampling the fermentation raw materials at different positions inside the fermentation tank, thereby improving the accuracy of the sampling and detection results of the fermentation raw materials inside the fermentation tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the structure of a fermentation device for preparing raw materials for glutamic acid according to an embodiment of the present invention;

[0027] Figure 2 A schematic diagram of the internal structure of a fermentation tank according to an embodiment of the present invention;

[0028] Figure 3 It is a schematic diagram of the structure of the air guide frame and the connecting frame according to an embodiment of the present invention;

[0029] Figure 4 A schematic diagram of the internal structure of the driving gear and the fixed frame according to an embodiment of the present invention;

[0030] Figure 5 Schematic diagram of the structure of the discharge pipe and the slag discharge pipe according to an embodiment of the present invention;

[0031] Figure 6 It is a schematic diagram of the structure of the limiting frame and the movable frame according to an embodiment of the present invention;

[0032] Figure 7 It is a schematic diagram of the internal structure of the fixed frame and the movable frame according to an embodiment of the present invention.

[0033] In the figure, 1, fixed base; 2, fermentation tank; 3, discharge pipe; 4, tank cover; 5, feed pipe; 6, mixing frame; 7, drive frame; 8, servo motor; 9, rotating rod; 10, driving gear; 11, mixing plate; 12, air guide frame; 13, connecting frame; 14, air supply pipe; 15, air outlet; 16, heat exchange pipe; 17, circulation pipe; 18, slag discharge pipe; 19, fixed frame; 20, sampling tube; 21, piston frame; 22, first servo electric cylinder; 23, connecting plate; 24, storage pipe; 25, extraction pipe; 26, second servo electric cylinder; 27, driving screw; 28, movable frame; 29, limit frame; 30, sampling chamber; 31, piston plate; 32, third servo electric cylinder; 33, fixed frame; 34, fourth servo electric cylinder; 35, transmission gear; 36, driven gear. 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] Embodiment 1:

[0036] See also Figures 1 to 7 As shown, a fermentation device for preparing raw materials of glutamic acid comprises:

[0037] A fixed base 1, a fermentation tank 2 is fixedly arranged on the top of the fixed base 1, and a discharge pipe 3 is fixedly arranged on the bottom of the fermentation tank 2;

[0038] A tank cover 4 is provided on the top of the fermentation tank 2 in a sealed manner, and a feed pipe 5 is provided on the top of the tank cover 4;

[0039] A mixing component is provided inside the fermentation tank 2, and the glutamic acid preparation raw material inside the fermentation tank 2 is mixed by the mixing component, and oxygen required for raw material fermentation is introduced into the fermentation tank 2 by the mixing component. Compared with the traditional method of introducing oxygen into the fermentation tank 2, by allowing oxygen to be directly introduced into the fermentation raw material, the fermentation efficiency of the raw material can be greatly improved, and the fermentation effect of the raw material can be ensured;

[0040] A sampling component is also provided inside the fermentation tank 2. The sampling component is used to sample the fermentation raw materials of glutamate inside the fermentation tank 2, and the fermentation raw materials are subjected to quality inspection and process monitoring to ensure the stability of the fermentation process and the quality of the glutamate product. Through sampling, detection and analysis, information on key indicators such as glutamate concentration, substrate consumption and metabolites in the fermentation liquid can be obtained. According to these data, the fermentation conditions can be adjusted in time, such as supplementing substrates, adjusting temperature, adjusting pH, etc., to optimize the fermentation process and improve production efficiency and product quality. Microbial analysis can also be performed through sampling and detection to understand the growth status and activity of microorganisms. If it is found that the activity of the microorganisms has declined or is contaminated, timely measures can be taken, such as changing the strain, adjusting the culture medium formula or taking Take sanitary measures to ensure the normal operation of the fermentation process; sampling processing can also be used to detect contamination during the fermentation process. By analyzing the microbial colonies or foreign matter in the sampled liquid, it can be determined whether there is exogenous contamination, such as bacteria, fungi or other impurities. Timely discovery and treatment of the source of contamination can avoid the decline in the quality of the fermentation liquid and the contamination of the product. According to the analysis results of the sampling processing, the optimal end time of the fermentation process can be determined. If the glutamic acid has reached the target concentration and the substrate has been exhausted, the fermentation process can be terminated in time to avoid excessive growth and waste generation. By sampling and testing the fermentation raw materials at different positions inside the fermenter 2, timely data and information can be provided for optimization and monitoring of the fermentation process to ensure the quality and production efficiency of the glutamic acid product.

[0041] As a further solution of the present invention, the mixing assembly includes a mixing frame 6, a driving frame 7 is fixedly provided on the top of the tank cover 4, and a servo motor 8 is fixedly provided on the top of the driving frame 7, a rotating rod 9 is rotatably provided inside the driving frame 7, and the top end of the rotating rod 9 is fixedly connected to the output shaft of the servo motor 8 through a coupling, the bottom end of the rotating rod 9 passes through the tank cover 4 and extends to the interior of the fermentation tank 2, and a mixing frame 6 is fixedly provided on the surface of the rotating rod 9 located inside the fermentation tank 2, and a plurality of mixing plates 11 are fixedly provided inside the mixing frame 6.

[0042] It should be noted that when the fermentation raw materials inside the fermenter 2 are mixed, first, a certain proportion of carbon source and nitrogen source are respectively fed into the fermenter 2 through the feed pipe 5 above the tank cover 4, and then the rotating rod 9 is controlled to rotate by the output shaft of the servo motor 8, and then the mixing frame 6 is driven to rotate inside the fermenter 2 by the rotating rod 9, and the raw materials inside the fermenter 2 are stirred and mixed by the mixing plate 11 inside the mixing frame 6, so that the carbon source and nitrogen source are evenly distributed inside the fermenter 2, and then glutamate producing bacteria are added into the fermenter 2 through the feed pipe 5 to achieve efficient fermentation of glutamate raw materials.

[0043] Furthermore, an air guide frame 12 is fixedly provided inside the driving frame 7, and a connecting frame 13 is rotatably provided inside the air guide frame 12, the interior of the connecting frame 13 is connected to the interior of the air guide frame 12, an air supply pipe 14 is fixedly provided on one side of the driving frame 7, and the interior of the air supply pipe 14 is connected to the interior of the air guide frame 12, the interior of the connecting frame 13 is fixedly connected to the upper surface of the rotating rod 9, and the interior of the connecting frame 13 is connected to the interior of the rotating rod 9, and a plurality of air outlet holes 15 are provided on the surface of the rotating rod 9, and the interiors of the plurality of air outlet holes 15 are connected to the interior of the rotating rod 9.

[0044] It should be noted that when oxygen is supplied to the interior of the fermenter 2, oxygen is supplied to the interior of the air guide frame 12 through the air supply pipe 14, and the oxygen enters the interior of the rotating rod 9 through the air guide frame 12 and the connecting frame 13, and then the oxygen is supplied to the raw materials inside the fermenter 2 through a plurality of air outlets 15 below the surface of the rotating rod 9, and the raw materials are oxygenated using oxygen. In addition, a one-way valve is provided inside the air outlets 15 arranged on the surface of the rotating rod 9, and the one-way valve located below is from the interior of the rotating rod 9 to the interior of the fermenter 2, and the one-way valve located above is from the interior of the fermenter 2 to the interior of the rotating rod 9. Oxygen is supplied to the fermenter 2 through the air outlets 15 below the rotating rod 9, and the fermentation waste gas inside the fermenter 2 is discharged through the air outlets 15 above the rotating rod 9, thereby ensuring the normal fermentation treatment of the raw materials inside the fermenter 2.

[0045] As a further scheme of the present invention, a heat exchange tube 16 is fixedly provided inside the fermenter 2, and two circulation tubes 17 are fixedly provided on one side of the fermenter 2, and one end of the two circulation tubes 17 is respectively connected to the two ends of the heat exchange tube 16; it should be noted that when the fermentation temperature of the fermentation raw materials inside the fermenter 2 is controlled, a heat exchange medium is fed into the heat exchange tube 16 through the circulation tube 17, and the heat exchange medium is used to perform heat exchange treatment on the fermentation raw materials inside the fermenter 2, thereby realizing flexible control of the temperature of the fermentation raw materials. At the same time, a temperature sensor is provided inside the fermenter 2, and the temperature of the fermentation raw materials is monitored in real time by the temperature sensor, so as to facilitate temperature control of the fermentation raw materials inside the fermenter 2.

[0046] As a further solution of the present invention, a slag discharge pipe 18 is also provided on one side of the discharge pipe 3, and a slag discharge filter is rotatably provided inside the discharge pipe 3, wherein the slag discharge filter is rotationally driven by a rotating block, and when the fermentation raw materials are discharged, the slag in the fermentation raw materials is filtered through the slag discharge filter, so as to facilitate the collection and treatment of the fermentation liquid.

[0047] Embodiment 2:

[0048] As a further solution of the present invention, the sampling assembly includes a fixed frame 19, the fixed frames 19 are fixedly arranged on all four sides of the surface of the fermentation tank 2, and the sampling tubes 20 are movably arranged inside the four fixed frames 19, the top of the sampling tube 20 is movably arranged with a piston frame 21, and the bottom of the piston frame 21 is slidably connected to the inside of the sampling tube 20, a first servo electric cylinder 22 is fixedly arranged on one side of the inner wall of the fixed frame 19, and a connecting plate 23 is fixedly arranged at the driving end of the first servo electric cylinder 22, the top of the connecting plate 23 is in contact with the bottom of the piston frame 21, the driving end of the first servo electric cylinder 22 cooperates with the connecting plate 23 to push the piston frame 21 upward, and a negative pressure is generated below the inside of the sampling tube 20 through the piston frame 21, thereby realizing the sampling and processing of the fermentation raw materials;

[0049] A material storage pipe 24 is fixedly arranged at the lower part of the fixed frame 19, and the top of the material storage pipe 24 is sealed and connected to the bottom end of the sampling tube 20, a material extraction pipe 25 is movably arranged on one side of the material storage pipe 24, a second servo electric cylinder 26 is fixedly arranged on one side of the inner wall of the fixed frame 19, and the driving end of the second servo electric cylinder 26 is fixedly connected to one side of the material extraction pipe 25, one end of the material extraction pipe 25 is movably connected to the interior of the fermentation tank 2, and an automatic control valve is arranged inside one end of the material extraction pipe 25.

[0050] It should be noted that when sampling the raw materials inside the fermentation tank 2, the driving end of the second servo electric cylinder 26 controls the extraction pipe 25 to enter the interior of the fermentation tank 2, and then the fermentation raw materials inside the fermentation tank 2 are sent into the interior of the storage pipe 24 through the extraction pipe 25, and then the driving end of the first servo electric cylinder 22 controls the piston frame 21 to lift, and the extraction pipe is used to extract the fermentation raw materials inside the storage pipe 24, thereby realizing automatic sampling of the fermentation raw materials inside the fermentation tank 2.

[0051] Furthermore, driving screw rods 27 are rotatably provided around the inside of the fermenter 2, and a movable frame 28 is threadedly provided on the surface of the driving screw rods 27, and limiting frames 29 are fixedly provided around the inner wall of the fermenter 2, and one side of the movable frame 28 is slidably connected to one side of the limiting frame 29, a sampling chamber 30 is provided inside the movable frame 28, and a piston plate 31 is slidably provided inside the sampling chamber 30, a third servo electric cylinder 32 is fixedly provided at the bottom of the inner wall of the sampling chamber 30, and the driving end of the third servo electric cylinder 32 is fixedly connected to the bottom of the piston plate 31, a sampling port is provided on one side of the inner wall of the sampling chamber 30, and an automatic control valve is provided inside the sampling port, a sampling channel is also provided on one side of the sampling chamber 30, and one end of the extraction pipe 25 extends to the inside of the sampling channel for communication.

[0052] It should be noted that when sampling the fermentation raw materials inside the fermentation tank 2, the driving screw 27 is controlled to rotate clockwise, so that the movable frame 28 moves upward along the driving screw 27, and the position of the movable frame 28 is adjusted, thereby realizing sampling of the fermentation raw materials at different positions inside the fermentation tank 2, thereby improving the accuracy of the sampling and detection results of the fermentation raw materials inside the fermentation tank 2.

[0053] Furthermore, a fixing frame 33 is fixedly provided on all four sides of the top of the tank cover 4, and a fourth servo electric cylinder 34 is fixedly provided on the top of the fixing frame 33, a transmission gear 35 is movably provided inside the fixing frame 33, and the top of the transmission gear 35 is rotatably connected to the driving end of the fourth servo electric cylinder 34, the top of the driving screw rod 27 passes through the fixing frame 33 and extends to the inside of the fixing frame 33, and a driven gear 36 is fixedly provided on the top of the driving screw rod 27, a driving gear 10 is also fixedly provided above the surface of the rotating rod 9, and the surface of the transmission gear 35 is respectively meshed with the surfaces of the driving gear 10 and the driven gear 36 for transmission.

[0054] It should be noted that when the driving screw 27 is controlled to rotate, the transmission gear 35 is controlled to move downward through the driving end of the fourth servo electric cylinder 34, so that the transmission gear 35 engages the driving gear 10 and the driven gear 36 for transmission, and the rotating rod 9 drives the driving gear 10 to rotate, so that the driving screw 27 rotates synchronously with the driving gear 10, and then the four driving screws 27 can be automatically adjusted by the servo motor 8, thereby realizing the sampling operation of the fermentation raw materials at different positions inside the fermentation tank 2.

[0055] In summary, compared with the prior art, the present invention has the following beneficial effects:

[0056] In the present invention, a material changing component is arranged inside the fermentation tank 2, and the glutamate preparation raw materials inside the fermentation tank 2 are mixed by the mixing component. At the same time, oxygen required for raw material fermentation is introduced into the fermentation tank 2 by the mixing component. Compared with the traditional method of introducing oxygen into the fermentation tank 2, by allowing oxygen to be directly introduced into the fermentation raw materials, the fermentation efficiency of the raw materials can be greatly improved, and the fermentation effect of the raw materials can be guaranteed; at the same time, sampling components are fixedly arranged around the fermentation tank 2, and the sampling components are used to sample the fermentation raw materials of glutamate at different positions inside the fermentation tank 2, and the fermentation raw materials are quality tested and the process is monitored to ensure the stability of the fermentation process and the quality of the glutamate product. By sampling and testing the fermentation raw materials at different positions inside the fermentation tank 2, timely data and information can be provided for optimization and monitoring of the fermentation process, thereby ensuring the quality and production efficiency of the glutamate product.

[0057] Embodiment 3:

[0058] This embodiment specifically discloses a fermentation method for a fermentation device for preparing raw materials of glutamic acid, which specifically comprises the following steps:

[0059] Step 1, a certain proportion of carbon source and nitrogen source are respectively fed into the fermenter 2 through the feed pipe 5 above the tank cover 4, and then the output shaft of the servo motor 8 controls the rotation of the rotating rod 9, and then the rotating rod 9 drives the mixing frame 6 to rotate inside the fermenter 2, and the mixing plate 11 inside the mixing frame 6 is used to stir and mix the raw materials inside the fermenter 2, so that the carbon source and nitrogen source are evenly distributed inside the fermenter 2, and then the glutamate producing bacteria are fed into the fermenter 2 through the feed pipe 5;

[0060] Step 2, when supplying oxygen to the interior of the fermenter 2, oxygen is supplied to the interior of the air guide frame 12 through the air supply pipe 14, and the oxygen enters the interior of the rotating rod 9 through the air guide frame 12 and the connecting frame 13, and then the oxygen is supplied to the raw materials in the fermenter 2 through a plurality of air outlets 15 below the surface of the rotating rod 9, and the raw materials are oxygenated by the oxygen. In addition, a one-way valve is provided inside the air outlets 15 provided on the surface of the rotating rod 9, and the one-way valve located below is from the interior of the rotating rod 9 to the interior of the fermenter 2, and the one-way valve located above is from the interior of the fermenter 2 to the interior of the rotating rod 9. Oxygen is supplied to the fermenter 2 through the air outlets 15 below the rotating rod 9, and the fermentation waste gas in the fermenter 2 is discharged through the air outlets 15 above the rotating rod 9;

[0061] Step 3: When the fermentation temperature of the fermentation raw materials in the fermentation tank 2 is controlled, a heat exchange medium is fed into the heat exchange tube 16 through the circulation tube 17, and the heat exchange medium is used to perform heat exchange treatment on the fermentation raw materials in the fermentation tank 2;

[0062] Step 4, when sampling the raw materials inside the fermentation tank 2, the driving end of the fourth servo electric cylinder 34 is used to control the transmission gear 35 to move downward, so that the transmission gear 35 meshes and transmits the driving gear 10 and the driven gear 36, and the rotating rod 9 drives the driving gear 10 to rotate, so that the driving screw 27 rotates synchronously with the driving gear 10, and the driving screw 27 is controlled to rotate clockwise, so that the movable frame 28 moves upward along the driving screw 27, and the position of the movable frame 28 is adjusted, so as to realize the sampling of the fermentation raw materials at different positions inside the fermentation tank 2, and the fermentation raw materials inside the fermentation tank 2 are drawn into the sampling cavity 30 through the sampling port;

[0063] Step 5: Control the extraction pipe 25 to enter the fermentation tank 2 through the driving end of the second servo electric cylinder 26, and extract the fermentation raw materials in the sampling chamber 30 by using the extraction pipe 25 in cooperation with the sampling channel, and then send the fermentation raw materials in the fermentation tank 2 into the storage pipe 24 through the extraction pipe 25, and then cooperate with the driving end of the first servo electric cylinder 22 to control the piston frame 21 to lift, and use the extraction pipe to extract the fermentation raw materials in the storage pipe 24;

[0064] Step 6: When discharging the fermented raw materials, the residue in the fermented raw materials is filtered through the residue filter, the fermented material of the fermented raw materials is discharged through the discharge pipe 3, and the fermentation residue inside the fermentation tank 2 is discharged through the residue discharge pipe 18.

[0065] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0066] 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.

[0067] 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 fermentation device for preparing raw materials of glutamic acid, characterized in that: include: A fixed base (1), wherein a fermentation tank (2) is fixedly arranged on the top of the fixed base (1), and a discharge pipe (3) is fixedly arranged on the bottom of the fermentation tank (2); A tank cover (4), wherein the top of the fermentation tank (2) is sealed with the tank cover (4), and a feed pipe (5) is arranged on the top of the tank cover (4); A mixing component, wherein the fermentation tank (2) is provided with a mixing component, and the glutamic acid preparation raw materials in the fermentation tank (2) are mixed by the mixing component; A sampling component, wherein the fermentation tank (2) is also provided with a sampling component, and the fermentation raw material of glutamic acid in the fermentation tank (2) is sampled and processed by the sampling component; The mixing assembly comprises a mixing frame (6), a driving frame (7) is fixedly arranged on the top of the tank cover (4), and a servo motor (8) is fixedly arranged on the top of the driving frame (7), a rotating rod (9) is rotatably arranged inside the driving frame (7), and the top end of the rotating rod (9) is fixedly connected to the output shaft of the servo motor (8) via a coupling, the bottom end of the rotating rod (9) passes through the tank cover (4) and extends to the inside of the fermentation tank (2), and a mixing frame (6) is fixedly arranged on the surface of the rotating rod (9) located inside the fermentation tank (2), and a plurality of mixing plates (11) are fixedly arranged inside the mixing frame (6); An air guide frame (12) is fixedly arranged inside the driving frame (7), and a connecting frame (13) is rotatably arranged inside the air guide frame (12), the interior of the connecting frame (13) is connected to the interior of the air guide frame (12), an air supply pipe (14) is fixedly arranged on one side of the driving frame (7), and the interior of the air supply pipe (14) is connected to the interior of the air guide frame (12), the interior of the connecting frame (13) is fixedly connected to the upper surface of the rotating rod (9), and the interior of the connecting frame (13) is connected to the interior of the rotating rod (9), and a plurality of air outlet holes (15) are arranged on the surface of the rotating rod (9), and the interiors of the plurality of air outlet holes (15) are connected to the interior of the rotating rod (9); A heat exchange tube (16) is fixedly arranged inside the fermentation tank (2), and two circulation tubes (17) are fixedly arranged on one side of the fermentation tank (2), and one end of the two circulation tubes (17) is respectively connected to the two ends of the heat exchange tube (16); A slag discharge pipe (18) is also provided on one side of the discharge pipe (3), and a slag discharge filter is rotatably provided inside the discharge pipe (3); The sampling assembly comprises a fixed frame (19), the fixed frames (19) are fixedly arranged on the four sides of the surface of the fermentation tank (2), and the insides of the four fixed frames (19) are movably arranged with sampling tubes (20), the tops of the sampling tubes (20) are movably arranged with piston frames (21), and the bottom of the piston frames (21) is slidably connected to the inside of the sampling tubes (20); A first servo electric cylinder (22) is fixedly arranged on one side of the inner wall of the fixed frame (19), and a connecting plate (23) is fixedly arranged on the driving end of the first servo electric cylinder (22), and the top of the connecting plate (23) is in contact with the bottom of the piston frame (21); A material storage pipe (24) is fixedly arranged at the lower part of the interior of the fixed frame (19), and the top of the material storage pipe (24) is sealed and connected to the bottom end of the sampling tube (20), a material extraction pipe (25) is movably arranged on one side of the material storage pipe (24), a second servo electric cylinder (26) is fixedly arranged on one side of the inner wall of the fixed frame (19), and the driving end of the second servo electric cylinder (26) is fixedly connected to one side of the material extraction pipe (25), one end of the material extraction pipe (25) is movably connected to the interior of the fermentation tank (2), and an automatic control valve is arranged inside one end of the material extraction pipe (25); A driving screw (27) is rotatably arranged around the inside of the fermentation tank (2), and a movable frame (28) is threadedly arranged on the surface of the driving screw (27). A limiting frame (29) is fixedly arranged around the inner wall of the fermentation tank (2), and one side of the movable frame (28) is slidably connected to one side of the limiting frame (29); A sampling chamber (30) is provided inside the movable frame (28), and a piston plate (31) is slidably provided inside the sampling chamber (30), a third servo electric cylinder (32) is fixedly provided at the bottom of the inner wall of the sampling chamber (30), and a driving end of the third servo electric cylinder (32) is fixedly connected to the bottom of the piston plate (31), a sampling port is provided on one side of the inner wall of the sampling chamber (30), and an automatic control valve is provided inside the sampling port, a sampling channel is also provided on one side of the sampling chamber (30), and one end of the extraction pipe (25) extends to communicate with the inside of the sampling channel; A fixing frame (33) is fixedly arranged around the top of the tank cover (4), and a fourth servo electric cylinder (34) is fixedly arranged on the top of the fixing frame (33). A transmission gear (35) is movably arranged inside the fixing frame (33), and the top of the transmission gear (35) is rotatably connected to the driving end of the fourth servo electric cylinder (34); The top end of the driving screw rod (27) passes through the fixed frame (33) and extends to the inside of the fixed frame (33), and a driven gear (36) is fixedly arranged at the top end of the driving screw rod (27). A driving gear (10) is also fixedly arranged above the surface of the rotating rod (9), and the surface of the transmission gear (35) is respectively meshed with the surfaces of the driving gear (10) and the driven gear (36) for transmission.

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