Preparation device for fermentation of synthetic microbial agent

Abstract

The invention discloses a preparation device for fermentation of a synthetic microbial agent, and relates to the field of microbial agent preparation, the preparation device comprises a device main body, a stirring assembly and a temperature control mechanism, the device main body is internally provided with at least one fermentation bin, the stirring assembly is detachably installed in the device main body, and the temperature control mechanism is installed on the stirring assembly. The temperature control mechanism is used for controlling the temperature of the culture medium and comprises a refrigerant pipe and a heating medium pipe, the refrigerant pipe and the heating medium pipe are installed in parallel, a refrigerant return pipe is installed in the refrigerant pipe in the length direction, and a refrigerant cooling space is formed between the inner wall of the refrigerant pipe and the outer wall of the refrigerant return pipe. The stirring assembly is detachably mounted in the device main body, so that when the stirring assembly is structurally damaged or the interior of the fermentation bin needs to be cleaned, the whole stirring assembly can be detached from the interior of the fermentation bin, the stirring assembly can be conveniently maintained and replaced, and the stirring efficiency is improved. And the interior of the fermentation bin can be conveniently cleaned.

Description

Technical Field

[0001] The present invention relates to the field of microbial agent preparation, in particular to a preparation device for synthetic microbial agent fermentation. Background Art

[0002] As is known to all, with the increasing popularity of eco-agriculture and sustainable development concepts, microbial agents have been widely used in agricultural production, soil improvement and plant growth promotion. Microbial agents are biological preparations composed of specific active microbial groups, which can promote growth, inhibit diseases, and improve soil fertility in soil or plants. Therefore, the development of efficient and stable microbial agent preparation technology has become an important part of agricultural biotechnology research. Microbial agents mainly include various microorganisms such as bacteria, fungi and actinomycetes. According to their different functions, they can be divided into various types such as nitrogen-fixing bacteria, phosphate-solubilizing bacteria, potassium-solubilizing bacteria, and probiotics. They significantly improve the yield and quality of crops in soil ecosystems by improving the structure of microbial communities, promoting nutrient release, and enhancing plant stress resistance.

[0003] For example, the authorization announcement number is CN108795707B, the authorization announcement date is January 30, 2024, and the title is "A microbial fermentation device," comprising a tank body, a support foot provided at the bottom of the tank body, a feed port provided at the top of the tank body, a discharge port provided at the lower half of the tank body, and an exhaust structure provided at the top of the tank body; the exhaust structure comprises an outer cylinder body and an inner cylinder body, the outer cylinder body being connected to the top of the tank body, the outer cylinder body being provided with an opening, and a baffle being rotatably provided at the opening; a first space is formed between the outer wall of the inner cylinder body and the inner wall of the outer cylinder body, the center lines of the inner cylinder body and the outer cylinder body coincide, the inner cylinder body is connected to the top of the tank body and is in communication with the tank body...;

[0004] As in the above application, in the prior art, the preparation devices for microbial agents are mostly traditional fermentation tanks. In order to improve the mixing of the culture medium and the microorganisms inside the tank, a stirring structure is installed inside the tank. However, the stirring structure is fixedly installed inside the tank. Therefore, after long-term use, when the stirring structure is damaged or the inside of the tank needs to be cleaned, the stirring structure cannot be removed, which greatly increases the difficulty of maintenance and cleaning. In addition, in existing fermentation tanks, the internal temperature is mostly controlled by a structure, that is, when a temperature sensor device inside the fermentation tank senses that the temperature before installation exceeds or is lower than the set threshold range, the internal temperature of the entire fermentation tank will be uniformly adjusted. The adjustment control rate is slow, and the temperature control of each position is inaccurate. It is easy for the temperature of the collection position to be normal while the temperature of other positions is unbalanced. Summary of the Invention

[0005] (1) Purpose of the invention

[0006] In view of this, the purpose of the present invention is to propose a preparation device for synthetic microbial agent fermentation, in which the stirring component is detachably installed inside the main body of the device. Therefore, when the stirring component structure is damaged or the inside of the fermentation bin needs to be cleaned, the entire stirring component can be removed from the inside of the fermentation bin. This not only facilitates the maintenance and replacement of the stirring component, but also facilitates the cleaning of the inside of the fermentation bin.

[0007] (2) Technical solution

[0008] In order to achieve the above-mentioned technical objectives, the present invention provides a preparation device for fermentation of synthetic microbial agents, which includes a device body, a stirring assembly and a temperature control mechanism, wherein a top cover is installed above the device body, and at least one fermentation bin is provided inside the device body. The stirring assembly is detachably installed inside the device body, and the temperature control mechanism is installed on the stirring assembly for controlling the temperature of the culture medium. The temperature control mechanism includes a refrigerant pipe and a heat medium pipe, and the refrigerant pipe and the heat medium pipe are installed in parallel. A refrigerant return pipe is installed inside the refrigerant pipe along the length direction, and a refrigerant cooling space is formed between the inner wall of the refrigerant pipe and the outer wall of the refrigerant return pipe, and a guide plate is provided in the refrigerant cooling space.

[0009] As a further description of the above technical solution: the temperature control mechanism is provided with multiple groups of refrigerant pipes and heat medium pipes in sequence from top to bottom in the vertical direction, and each group is provided with multiple refrigerant pipes and heat medium pipes. The multiple refrigerant pipes and heat medium pipes in the same group are in the same plane and distributed in a circular array. The refrigerant pipes and heat medium pipes in the same group are connected to each other. One end of the refrigerant pipes in the same group is a refrigerant inlet, and the refrigerant cooling space at the refrigerant inlet is separated from the refrigerant return pipe. The other end of the refrigerant pipes in the same group is a return medium end, and the refrigerant cooling space at the return medium end is connected to the refrigerant return pipe.

[0010] As a further description of the above technical solution: a guide plate is provided in the refrigerant cooling space, and the guide plate adopts a spiral structure. Such a structural arrangement allows the refrigerant to extend its flow path under the guidance of the guide plate when it flows into the refrigerant cooling space, thereby significantly improving its cooling effect. The refrigerant pipe is made of heat-conducting material, and the refrigerant return pipe is made of heat-insulating material. This can reduce the influence of the refrigerant in the refrigerant return pipe on the refrigerant temperature in the refrigerant cooling space, thereby ensuring the cooling control speed of the refrigerant in the refrigerant cooling space on the culture medium in the device.

[0011] As a further description of the above technical solution: among the multiple groups of refrigerant tubes, the refrigerant tubes on the same vertical line are connected in series through a refrigerant conduit, and the structure of the refrigerant conduit is the same as that of the refrigerant tube, both of which are double-tube structures, and an electromagnetic control valve is installed at the end position of each group of refrigerant tubes, and the electromagnetic control valve is used to control the on and off of each group of refrigerant tubes, and a temperature sensor is installed on the inner wall of the fermentation bin at the same horizontal position of each group of refrigerant tubes, and the temperature sensor is used to collect the temperature of the culture medium, and a controller is installed on the front surface of the device body.

[0012] As a further description of the above technical solution: the stirring assembly includes an upper bracket and a lower bracket, a rotating main shaft is rotatably installed between the upper bracket and the lower bracket, a plurality of stirring rods are equidistantly installed on the rotating main shaft in the vertical direction, the spacing between two adjacent groups of stirring rods is greater than the spacing between two adjacent groups of refrigerant tubes, so that the refrigerant tubes and the heat medium tubes are both located between the two adjacent groups of stirring rods, a servo motor is installed on the top of the upper bracket, the output shaft of the servo motor is connected to the top of the rotating main shaft, a plurality of shaft sleeves are rotatably sleeved on the rotating main shaft, and one end of the refrigerant tube and the heat medium tube are installed on the shaft sleeve.

[0013] As a further description of the above technical solution: the cross-section of the stirring rod adopts an inclined structure, wherein the side of the stirring rod close to the rotation direction is the high end side, and the other side is the low end side. Such a structural setting allows the stirring rod to scrape the culture medium in the fermentation bin when it rotates and stirs, causing the culture medium to move upward and then fall, causing the culture medium to form a shaking motion, thereby making the culture medium more fusible.

[0014] As a further description of the above technical solution: the upper bracket and the lower bracket both adopt a cross structure, the ends of the upper bracket and the lower bracket are fixedly connected by an assembly bracket, and the inner wall of the fermentation bin is vertically installed with an assembly rail adapted to the assembly bracket, and the assembly bracket is inserted into the assembly rail from top to bottom.

[0015] As a further description of the above technical solution: a waist groove is provided on the upper opening of the inner wall of the fermentation bin, the waist groove is located at the top position of the assembly slide rail, a slot is provided on the side position of the waist groove, and a clip and a plug-in are welded on the outer side of the top of the assembly bracket, wherein the clip is overlapped in the waist groove, and the plug-in is inserted in the slot.

[0016] As a further description of the above technical solution: a lens for observing the interior of the fermentation bin is installed on the front surface of the device body, a discharge hopper is installed below the front surface of the device body, the discharge hopper is connected to the bottom of the fermentation bin, and an electromagnetically controlled opening and closing valve is provided inside, a ventilation device for ventilation is provided on one side of the device body, a feeding bin for loading is installed on the back of the device body, and a base is installed at the bottom of the device body.

[0017] As a further description of the above technical solution: a refrigerator is installed on the back of the device body through a bracket, and the refrigerant pipe and the refrigerator pipeline are connected to each other.

[0018] In the above technical solution, the present invention provides a synthetic microbial inoculant fermentation preparation device, in which the stirring assembly is detachably mounted inside the device body. Therefore, when the stirring assembly is structurally damaged, or when the interior of the fermentation bin needs to be cleaned, the entire stirring assembly can be removed from the interior of the fermentation bin. This not only facilitates the maintenance and replacement of the stirring assembly, but also facilitates the cleaning of the interior of the fermentation bin.

[0019] The piping structure for controlling the internal temperature of the fermentation bin in the device is installed on the stirring assembly. Therefore, when these piping structures are damaged, the stirring assembly can be removed for repair, which is easy to operate. In addition, the structural design of the temperature control mechanism in the device allows the device to perform local temperature control at different positions in the fermentation bin. This not only ensures that the temperature of the culture medium at each position in the fermentation bin is uniform, and the fermentation speed in the culture medium at each position is kept consistent, but also improves the temperature control rate of the culture medium. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are merely embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0021] Figure 1 This is a schematic diagram of the overall structure of a synthetic microbial agent fermentation preparation device provided by the present invention;

[0022] Figure 2 This is a schematic diagram of the back structure of a synthetic microbial agent fermentation preparation device provided by the present invention;

[0023] Figure 3 A schematic diagram of the internal structure of a fermentation chamber in a synthetic microbial agent fermentation preparation device provided by the present invention;

[0024] Figure 4 This is a schematic structural diagram of a synthetic microbial agent fermentation preparation device provided by the present invention after the stirring device is removed;

[0025] Figure 5 This is a schematic diagram of the structure of a stirring device in a preparation device for synthetic microbial inoculant fermentation provided by the present invention;

[0026] Figure 6 This is a schematic structural diagram from another perspective of a stirring device in a synthetic microbial agent fermentation preparation device provided by the present invention;

[0027] Figure 7 This is a schematic diagram of the refrigerant pipe structure in a synthetic microbial agent fermentation preparation device provided by the present invention;

[0028] Figure 8 This is a schematic diagram of the cross-sectional structure of a refrigerant pipe in a preparation device for synthetic microbial agent fermentation provided by the present invention;

[0029] Figure 9 A partial cross-sectional view of a refrigerant pipe in a synthetic microbial agent fermentation preparation device provided by the present invention;

[0030] Figure 10 This is a schematic diagram of the refrigerant tubular refrigerant flow path in a preparation device for synthetic microbial inoculant fermentation provided by the present invention.

[0031] Description of the drawings: 1. Device body; 2. Ventilation device; 3. Base; 4. Discharge hopper; 5. Controller; 6. Lens; 7. Feed bin; 8. Top cover; 9. Bracket; 10. Refrigerator; 11. Fermentation bin; 12. Stirring assembly; 1200. Plug-in; 1201. Clamp; 1202. Servo motor; 1203. Hanging rod; 1204. Assembly bracket; 1205. Bushing; 1206. Temperature control mechanism; 12060. Assembly end; 12061. Refrigerant pipe; 12062. Heat medium pipe; 12063. Refrigerant conduit; 12064. Guide plate; 12065. Refrigerant return pipe; 1207. Lower bracket; 1208. Upper bracket; 1209. Rotating spindle; 1210. Stirring rod; 13. Assembly slide rail; 14. Waist groove; 15. Slot. DETAILED DESCRIPTION

[0032] The following description is merely illustrative in nature and is not intended to limit the present disclosure, its applications, or uses. It should be understood that throughout the drawings, identical or similar reference numerals indicate identical or similar parts and features. The drawings merely schematically illustrate the concepts and principles of the embodiments of the present disclosure and do not necessarily depict the specific dimensions and proportions of the various embodiments of the present disclosure. Certain portions of certain drawings may be exaggerated to illustrate relevant details or structures of the embodiments of the present disclosure.

[0033] Example 1

[0034] Reference Figure 1-6 : This embodiment provides a technical solution: a preparation device for fermentation of synthetic microbial inoculants, comprising a device body 1, a stirring assembly 12 and a temperature control mechanism 1206, wherein a top cover 8 is installed above the device body 1, at least one fermentation chamber 11 is provided inside the device body 1, the stirring assembly 12 is detachably installed inside the device body 1, the temperature control mechanism 1206 is installed on the stirring assembly 12, and is used to control the temperature of the culture medium, the temperature control mechanism 1206 comprises a refrigerant pipe 12061 and a heat medium pipe 12062, the refrigerant pipe 12061 and the heat medium pipe 12062 are installed in parallel, a refrigerant return pipe 12065 is installed inside the refrigerant pipe 12061 along the length direction, a refrigerant cooling space is formed between the inner wall of the refrigerant pipe 12061 and the outer wall of the refrigerant return pipe 12065, and a guide plate 12064 is provided in the refrigerant cooling space.

[0035] By adopting the above technical solutions:

[0036] The stirring assembly 12 in the device is detachably installed inside the device body 1. Therefore, when the stirring assembly 12 is structurally damaged, or when the inside of the fermentation bin 11 needs to be cleaned, the entire stirring assembly 12 can be removed from the inside of the fermentation bin 11. This not only makes it convenient to repair and replace the stirring assembly 12, but also makes it convenient to clean the inside of the fermentation bin 11.

[0037] Specifically, the temperature control mechanism 1206 includes multiple groups of refrigerant tubes 12061 and heat medium tubes 12062 arranged in sequence from top to bottom in the vertical direction, and each group includes multiple groups. The multiple refrigerant tubes 12061 and heat medium tubes 12062 in the same group are in the same plane and distributed in a circular array. The refrigerant tubes 12061 and heat medium tubes 12062 in the same group are connected to each other. One end of the refrigerant tubes 12061 in the same group is the refrigerant inlet, and the refrigerant cooling space at the refrigerant inlet is separated from the refrigerant return pipe 12065. The other end of the refrigerant tubes 12061 in the same group is the return medium end, and the refrigerant cooling space at the return medium end is connected to the refrigerant return pipe 12065. This structural arrangement enables the entry and discharge of the refrigerant in the device to use the same pipeline, reducing the complexity of the pipelines in the device, saving material costs, and reducing the impact on the internal space of the device.

[0038] Specifically, a guide plate 12064 is provided in the refrigerant cooling space, and the guide plate 12064 adopts a spiral structure. Such a structural setting allows the refrigerant to extend its flow path under the guidance of the guide plate 12064 when flowing into the refrigerant cooling space, thereby significantly improving its cooling effect. Specifically, the refrigerant pipe 12061 is made of heat-conducting material, and the refrigerant return pipe 12065 is made of heat-insulating material. This can reduce the influence of the refrigerant in the refrigerant return pipe 12065 on the refrigerant temperature in the refrigerant cooling space, thereby ensuring the cooling control speed of the refrigerant in the refrigerant cooling space on the culture medium in the device.

[0039] Specifically, the refrigerant tubes 12061 on the same vertical line in the multiple groups of refrigerant tubes 12061 are connected in series through the refrigerant conduit 12063. The structure of the refrigerant conduit 12063 is the same as that of the refrigerant tube 12061, both of which are double-tube structures. An electromagnetic control valve is installed at the end position of each group of refrigerant tubes 12061. The electromagnetic control valve is used to control the on and off of each group of refrigerant tubes 12063. The inner wall of the fermentation bin 11 is located at the same horizontal position of each group of refrigerant tubes 12061. The temperature sensor is used to collect the temperature of the culture medium. A controller 5 is installed on the front surface of the device body 1. The controller 5 is electrically connected to the temperature sensor. When the temperature sensor senses that the temperature at the corresponding position in the fermentation bin 11 is higher or lower than the threshold range, the controller 5 controls the refrigerant tube 12061 or the heat medium tube 12062 to cool down or heat up the position.

[0040] It should be noted that: this device can locally control the temperature of the culture medium inside the fermentation bin 11, so that the temperature control effect is better and the temperature control rate is faster, which makes the fermentation effect of the microbial agent better. It should be noted that: the heat medium tube 12062 adopts a tubular structure made of thermal conductive material, and an electric heating wire is provided inside, so that the temperature of the heat medium tube 12062 can be relatively mild when heating.

[0041] Example 2

[0042] Reference Figure 1-10 On the basis of Example 1, this embodiment provides a technical solution: the stirring assembly 12 includes an upper bracket 1208 and a lower bracket 1207, and a rotating main shaft 1209 is rotatably installed between the upper bracket 1208 and the lower bracket 1207, and a plurality of stirring rods 1210 are equidistantly installed on the rotating main shaft 1209 in the vertical direction, and the spacing between two adjacent groups of stirring rods 1210 is greater than the spacing between two adjacent groups of refrigerant tubes 12061, so that the refrigerant tube 12061 and the heat medium tube 12062 are both located between the two adjacent groups of stirring rods 1210, and a servo motor 1202 is installed on the top of the upper bracket 1208, and the output shaft of the servo motor 1202 is connected to the top of the rotating main shaft 1209, and a plurality of shaft sleeves 1205 are rotatably sleeved on the rotating main shaft 1209, and one end of the refrigerant tube 12061 and the heat medium tube 12062 is installed on the shaft sleeve 1205.

[0043] It should be noted that the distributed installation of the refrigerant pipe 12061 and the heat medium pipe 12062 will not affect the stirring effect of the stirring rod 1210. When the servo motor 1202 is running, it drives the rotating main shaft 1209 to rotate, thereby causing the stirring rod 1210 to rotate and stir the culture medium in the fermentation bin 11. Furthermore, a suspension rod 1203 is also installed on the upper bracket 1208 to assist in the disassembly and assembly of the stirring assembly 12. Specifically, the shaft sleeve 1205 has channels inside that are respectively connected to the refrigerant return pipe 12065 and the refrigerant cooling space.

[0044] Specifically, the cross-section of the stirring rod 1210 adopts an inclined structure, wherein the side of the stirring rod 1210 close to the rotation direction is the high end side, and the other side is the low end side. This structural setting allows the stirring rod 1210 to scrape the culture medium in the fermentation bin 11 when rotating and stirring, moving it upward and then falling, causing the culture medium to form a shaking motion, thereby making the culture medium more fusible.

[0045] Specifically, the upper bracket 1208 and the lower bracket 1207 both adopt a cross structure, and the ends of the upper bracket 1208 and the lower bracket 1207 are fixedly connected by the assembly bracket 1204. The inner wall of the fermentation bin 11 is vertically installed with an assembly slide rail 13 that is compatible with the assembly bracket 1204. The assembly bracket 1204 is inserted into the assembly slide rail 13 from top to bottom. Such a structural setting allows the entire stirring assembly 12 to move upward and be directly taken out of the fermentation bin 11. The overall operation is convenient and quick. The ends of the refrigerant pipe 12061 and the heat medium pipe 12062 are fixedly installed on the assembly bracket 1204 through the assembly end 12060.

[0046] Specifically, a waist groove 14 is provided on the upper opening of the inner wall of the fermentation bin 11, and the waist groove 14 is located at the top position of the assembly slide rail 13. A slot 15 is provided on the side position of the waist groove 14, and a clip 1201 and a plug-in 1200 are welded on the top outer side of the assembly bracket 1204, wherein the clip 1201 is overlapped in the waist groove 14, and the plug-in 1200 is inserted in the slot 15. Such a structural setting makes the entire stirring assembly 12 more stable after installation through the engagement of the clip 1201 and the plug-in 1200, and can reduce the noise generated by the servo motor 1202 when stirring the culture medium in the fermentation bin 11.

[0047] This embodiment provides a preparation device for fermentation of synthetic microbial inoculants. Specifically, a top cover 8 is installed on the top of the device body 1 at the fermentation bin 11, a lens 6 for observing the interior of the fermentation bin 11 is installed on the front surface of the device body 1, a discharge hopper 4 is installed below the front surface of the device body 1, the discharge hopper 4 is connected to the bottom of the fermentation bin 11, and an electromagnetically controlled opening and closing valve is provided inside, a ventilation device 2 for ventilation is provided on one side of the device body 1, a feeding bin 7 for loading is installed on the back of the device body 1, and a base 3 is installed at the bottom of the device body 1.

[0048] Specifically, a refrigerator 10 is installed on the back of the device body 1 through a bracket 9 , and the refrigerant pipe 12061 is connected to the pipeline of the refrigerator 10 .

[0049] The exemplary implementation schemes proposed in the present disclosure are described in detail above with reference to preferred embodiments. However, it will be understood by those skilled in the art that, without departing from the concept of the present disclosure, various modifications and variations can be made to the above-mentioned specific embodiments, and various technical features and structures proposed in the present disclosure can be combined in various ways without exceeding the scope of protection of the present disclosure, which is determined by the appended claims.

Claims

1. A preparation device for synthetic microbial inoculant fermentation, characterized in that: It includes: A device body (1) is provided with a top cover (8) on top, and at least one fermentation chamber (11) is provided inside the device body (1); A stirring assembly (12) which is detachably mounted inside the device body (1); A temperature control mechanism (1206), which is installed on the stirring assembly (12) and is used to control the temperature of the culture medium; Wherein, the temperature control mechanism (1206) includes a refrigerant pipe (12061) and a heat medium pipe (12062), the refrigerant pipe (12061) and the heat medium pipe (12062) are installed in parallel, a refrigerant return pipe (12065) is installed inside the refrigerant pipe (12061) along the length direction, a refrigerant cooling space is formed between the inner wall of the refrigerant pipe (12061) and the outer wall of the refrigerant return pipe (12065), and a guide plate (12064) is provided in the refrigerant cooling space.

2. The synthetic microbial inoculant fermentation preparation device according to claim 1, characterized in that: In the temperature control mechanism (1206), multiple groups of refrigerant tubes (12061) and heat medium tubes (12062) are arranged in sequence from top to bottom in the vertical direction, and each group is provided with multiple refrigerant tubes (12061) and heat medium tubes (12062). The multiple refrigerant tubes (12061) and heat medium tubes (12062) in the same group are in the same plane and distributed in a circular array. The refrigerant tubes (12061) and heat medium tubes (12062) in the same group are interconnected. One end of the refrigerant tubes (12061) in the same group is a refrigerant inlet, and the refrigerant cooling space at the refrigerant inlet is separated from the refrigerant return pipe (12065). The other end of the refrigerant tubes (12061) in the same group is a return medium end, and the refrigerant cooling space at the return medium end is connected to the refrigerant return pipe (12065).

3. A synthetic microbial inoculant fermentation preparation device according to claim 2, characterized in that: A guide plate (12064) is provided in the refrigerant cooling space, and the guide plate (12064) adopts a spiral structure.

4. The synthetic microbial inoculant fermentation preparation device according to claim 3, characterized in that: Among the multiple groups of refrigerant tubes (12061), the refrigerant tubes (12061) on the same vertical line are connected in series through a refrigerant conduit (12063). The structure of the refrigerant conduit (12063) is the same as that of the refrigerant tube (12061), both of which are double-tube structures. An electromagnetic control valve is installed at the end position of each group of refrigerant tubes (12061). The electromagnetic control valve is used to control the on-off of each group of refrigerant tubes (12063). The inner wall of the fermentation bin (11) is located at the same horizontal position of each group of refrigerant tubes (12061). The temperature sensor is used to collect the temperature of the culture medium. A controller (5) is installed on the front surface of the device body (1).

5. The synthetic microbial inoculant fermentation preparation device according to claim 4, characterized in that: The stirring assembly (12) comprises an upper bracket (1208) and a lower bracket (1207), a rotating main shaft (1209) is rotatably mounted between the upper bracket (1208) and the lower bracket (1207), a plurality of stirring rods (1210) are equidistantly mounted on the rotating main shaft (1209) in a vertical direction, and the spacing between two adjacent groups of stirring rods (1210) is greater than the spacing between two adjacent groups of refrigerant pipes (12061), so that the refrigerant pipes (12061) and the heat medium pipes (12061) are rotatably mounted between the upper bracket (1208) and the lower bracket (1207). The tubes (12062) are located between two adjacent groups of stirring rods (1210), and a servo motor (1202) is installed on the top of the upper bracket (1208). The output shaft of the servo motor (1202) is connected to the top of the rotating main shaft (1209). A plurality of sleeves (1205) are rotatably sleeved on the rotating main shaft (1209), and one end of the refrigerant tube (12061) and the heat medium tube (12062) are installed on the sleeve (1205).

6. The synthetic microbial inoculant fermentation preparation device according to claim 5, characterized in that: The cross section of the stirring rod (1210) adopts an inclined structure, wherein the side of the stirring rod (1210) close to the rotation direction is the high end side, and the other side is the low end side.

7. A synthetic microbial inoculant fermentation preparation device according to claim 6, characterized in that: The upper bracket (1208) and the lower bracket (1207) both adopt a cross structure, and the ends of the upper bracket (1208) and the lower bracket (1207) are fixedly connected via an assembly rack (1204). An assembly rail (13) adapted to the assembly rack (1204) is installed along the vertical direction on the inner wall of the fermentation bin (11), and the assembly rack (1204) is inserted into the assembly rail (13) from top to bottom.

8. The synthetic microbial inoculant fermentation preparation device according to claim 6, characterized in that: A waist groove (14) is provided at the upper opening of the inner wall of the fermentation bin (11), and the waist groove (14) is located at the top position of the assembly slide rail (13). A slot (15) is provided at the side position of the waist groove (14), and a clamp (1201) and a plug-in (1200) are welded to the outer side of the top of the assembly bracket (1204), wherein the clamp (1201) is overlapped in the waist groove (14), and the plug-in (1200) is inserted in the slot (15).

9. The synthetic microbial inoculant fermentation preparation device according to claim 1, characterized in that: A lens (6) for observing the interior of a fermentation bin (11) is installed on the front surface of the device body (1); a discharge hopper (4) is installed below the front surface of the device body (1); the discharge hopper (4) is connected to the bottom of the fermentation bin (11) and has an electromagnetically controlled opening and closing valve inside; a ventilation device (2) for ventilation is installed on one side of the device body (1); a feeding bin (7) for feeding is installed on the back of the device body (1); and a base (3) is installed at the bottom of the device body (1).

10. The synthetic microbial inoculant fermentation preparation device according to claim 9, characterized in that: A refrigerator (10) is installed on the back of the device body (1) via a bracket (9), and the refrigerant pipe (12061) and the pipeline of the refrigerator (10) are interconnected.

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