Constant-temperature fermentation device of biological herbicide reaction kettle

Abstract

The invention discloses a constant-temperature fermentation device of a biological herbicide reaction kettle, and relates to the technical field of herbicide production. Comprising a reaction kettle, a stirring structure is mounted in the reaction kettle, the stirring structure comprises a rotating shaft mounted in the reaction kettle, a plurality of shaft sleeves are rotatably mounted on the rotating shaft, two ends of each shaft sleeve are respectively connected with a supporting cylinder, and a raised limiting groove is formed in one side of each supporting cylinder; a cleaning rod penetrating out of the supporting cylinder is installed in the supporting cylinder in a sliding mode, and a spirally-inclined scraping plate is installed on the cleaning rod. Supporting rods located in the supporting cylinders are fixedly installed on the two sides of the rotating shaft correspondingly and connected with cleaning rods through connecting rods, the connecting rods are made of magnetic materials, and permanent magnets attached to the supporting rods are arranged on the sides, away from the limiting grooves, in the supporting cylinders. The device can realize automatic internal cleaning after use, does not influence the normal stirring function, and is flexible and convenient to use.

Description

Technical Field

[0001] The invention relates to the technical field of herbicide production, in particular to a biological herbicide reactor constant temperature fermentation device. Background Art

[0002] There are 30,000 widely distributed weeds in the world, and about 1,800 of them cause varying degrees of damage to crops each year. The annual crop yield reduction caused by weed damage is as high as 9.7%. Chemical herbicides are used to effectively control many weeds. However, the extensive use of chemical agents has also caused a series of problems, such as the emergence of herbicide-resistant weed plants, soil pollution, water quality degradation, and damage to non-weed organisms. At present, the research on efficient, environmentally friendly and harmless microbial herbicides is increasingly showing its important social significance and economic value.

[0003] The use of biological weed control has a history of nearly 200 years. With the continuous isolation and research of plant pathogens, especially some plant pathogens screened from weed diseased plants have shown potential herbicidal activity, and may be developed into new biological herbicides that can replace chemical herbicides. Liquid fermentation is the preferred method for industrial production of biological herbicides. Because this method does not require much improvement to existing industrial fermentation equipment. Most of the biological herbicides that have been commercialized or are being used in production are produced by fermentation technology. The genus Colletotrichum is easy to produce spores under submerged culture conditions, and spores are generally considered to be the most suitable part for biological herbicides.

[0004] When biological herbicides are processed by liquid fermentation, a reactor for fermentation is required, and the reactor needs to have certain temperature regulation and heat preservation functions. The liquid used for herbicide fermentation contains a lot of nutrients and a large number of spores produced by fermentation. After the fermentation is completed, a lot of residues hanging on the wall will be produced in the process of discharging the mixture from the reactor. These residues will not only cause waste of herbicide products, but also affect the next round of raw material fermentation, and need to be cleaned. However, it is difficult to clean the inside of the reactor. Some reactors will design the stirring piece in the container to fit the shape of the inner wall of the reactor, and continuously scrape the inner wall while stirring, but this method can easily cause wear of the inner wall and the stirring piece, and will also increase the resistance to stirring, which is not convenient in actual use. Summary of the invention

[0005] The purpose of the present invention is to provide a biological herbicide reactor constant temperature fermentation device to solve the problems raised in the above background technology. A fermentation device that can assist in cleaning the inner wall of the reactor is proposed to reduce the difficulty of operation.

[0006] To achieve the above object, the present invention provides the following technical solutions: A biological herbicide reactor constant temperature fermentation device, comprising a reactor, a stirring structure installed inside the reactor, the stirring structure comprising a rotating shaft installed in the reactor, a plurality of shaft sleeves rotatably installed on the rotating shaft, support tubes are connected to the two ends of the shaft sleeves respectively, and a raised limiting groove is arranged on one side of the support tube; a cleaning rod passing through the support tube is slidably installed in the support tube, and a spiral inclined scraper is installed on the cleaning rod; support rods located inside the support tube are fixedly installed on both sides of the rotating shaft, the support rods are connected to the cleaning rods through connecting rods, the connecting rods are made of magnetic material, and a permanent magnet is arranged in the support tube on one side away from the limiting groove; The reactor is equipped with a temperature control system, which is used to control the temperature in the reactor; The reactor is provided with a driving structure connected to the rotating shaft, and the driving structure is used to drive the rotating shaft to rotate and change the rotation direction of the rotating shaft; A discharge structure is installed at the bottom of the reactor, and the discharge structure is used to assist in discharging the raw materials in the reactor.

[0007] As a further solution of the present invention: a spring is connected in series to the cleaning rod, and two ends of the spring are respectively connected to the cleaning rod and the support tube, and a plurality of inclined stirring paddles are installed outside the support tube, and the inclination directions of the stirring paddles are opposite.

[0008] As a further solution of the present invention: a relatively fan-shaped positioning groove is opened in the shaft sleeve, a fan-shaped positioning plate is fixedly installed on the rotating shaft, the positioning plate is located in the positioning groove, and the curvature of the positioning groove is greater than the curvature of the positioning plate.

[0009] As a further solution of the present invention: the driving structure includes a planetary carrier rotatably mounted on the surface of the reactor, a plurality of planetary gears rotatably mounted on the planetary carrier, a sun gear meshingly mounted in the middle of the planetary gears, a transmission ring is arranged outside the planetary gears, and an inner gear ring meshing with the planetary gears is installed inside the transmission ring.

[0010] As a further solution of the present invention: an outer gear ring is arranged outside the transmission ring, a planetary gear ring is arranged outside the planetary carrier, a primary ratchet and a secondary ratchet in opposite directions are respectively installed on the rotating shaft, the outer gear ring is meshed with the primary ratchet, and the planetary gear ring is meshed with the secondary ratchet.

[0011] As a further solution of the present invention: the reactor is equipped with track frames located on both sides of the transmission ring, the transmission ring passes through the track frames, the transmission ring is slidably connected to the track frames, and a support frame is provided at one end of the shell away from the rotating shaft, the support frame is connected to a primary motor, and the primary motor is connected to a sun gear.

[0012] As a further solution of the present invention: an adjusting screw is vertically installed on the support frame, a lifting block is slidably installed on the support frame, the lifting block is threadedly connected to the adjusting screw, and a brake block located between the transmission ring and the planetary carrier is installed on the lifting block.

[0013] As a further solution of the present invention: the temperature control system includes a water heater, the water heater is connected to a water pump, a heat conduction pipe wrapped around the reactor is arranged inside the inner wall of the reactor, and both ends of the heat conduction pipe are respectively connected to the water pump and the water heater through a hose.

[0014] As a further solution of the present invention: the discharging structure includes a cylinder installed on the reactor, one side of the cylinder is connected to a discharging port, a discharging auger is rotatably installed in the cylinder, a secondary motor is installed outside the cylinder, and the secondary motor is connected to the discharging auger.

[0015] As a further solution of the present invention: a feed port is provided at one end of the reactor, and a plurality of supporting legs are installed outside the reactor.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The above-mentioned biological herbicide reactor constant temperature fermentation device is adopted, and a shaft sleeve is sleeved on the rotating shaft of the device, and a cleaning rod slides in the supporting tubes at both ends of the shaft sleeve, and the support rod on the rotating shaft is connected to the cleaning rod by a rotatable connecting rod. When the raw materials in the reactor are normally stirred, the rotating shaft moves in the direction of the limit groove. Under the action of external resistance, the support rod and the supporting tube are inclined at a certain angle, and the connecting rod is inclined accordingly, so that the cleaning rod is pulled toward the direction of the supporting tube, and the external length is shortened. Therefore, the scraper will not contact the inner wall of the reactor during use. When the inner wall of the reactor needs to be cleaned, the rotating shaft is reversed by the driving structure, and the support rod on the rotating shaft rotates in the opposite direction to be located on the same axis as the cleaning rod. The connecting rod is also located on this axis. Therefore, this process pushes the cleaning rod outward, so that the scraper fits the inner wall of the reactor, and the residue on the inner wall of the reactor can be cleaned; The above-mentioned biological herbicide reactor constant temperature fermentation device has a simple structure and is easy to use. It does not require complicated operation and intelligent control. It can simultaneously achieve two different functions of normal stirring and cleaning the reactor by simply controlling the forward and reverse rotation of the rotating shaft. It is very convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of a biological herbicide reactor constant temperature fermentation device.

[0018] Figure 2 It is a schematic diagram of the structure of the stirring structure in the constant temperature fermentation device of the biological herbicide reactor.

[0019] Figure 3This is a schematic diagram of the structure inside the support cylinder in the constant temperature fermentation device of the biological herbicide reactor.

[0020] Figure 4 This is a schematic diagram of the structure of the rotating shaft and sleeve in the constant temperature fermentation device of the biological herbicide reactor.

[0021] Figure 5 This is a schematic diagram of the driving structure in the constant temperature fermentation device of the biological herbicide reactor.

[0022] Figure 6 This is a schematic diagram of the structure of the planetary frame in the constant temperature fermentation device of the biological herbicide reactor.

[0023] Figure 7 It is a schematic diagram of the discharging structure in the constant temperature fermentation device of the biological herbicide reactor.

[0024] In the figure: 1. Reactor; 11. Feed inlet; 12. Support leg; 2. Drive structure; 21. Primary motor; 22. Track frame; 23. Transmission ring; 231. Outer gear ring; 232. Inner gear ring; 24. Planetary frame; 241. Planetary gear ring; 25. Sun gear; 26. Planetary gear; 27. Support frame; 28. Adjusting screw; 29. ​​Brake block; 291. Lifting block; 3. Temperature control system; 31. Heat pipe; 32. Hose; 33. Water pump; 34 , water heater; 4, stirring structure; 41, rotating shaft; 411, positioning plate; 412, supporting rod; 413, primary ratchet; 414, secondary ratchet; 42, bushing; 421, positioning groove; 43, supporting cylinder; 431, limiting groove; 44, scraper; 45, cleaning rod; 46, stirring paddle; 47, connecting rod; 48, spring; 49, permanent magnet; 5, discharging structure; 51, cylinder; 511, discharging port; 52, discharging auger; 53, secondary motor. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figures 1 to 7In an embodiment of the present invention, a biological herbicide reactor constant temperature fermentation device comprises a reactor 1, wherein a stirring structure 4 is installed inside the reactor 1, wherein the stirring structure 4 comprises a rotating shaft 41 installed inside the reactor 1, wherein a plurality of shaft sleeves 42 are rotatably installed on the rotating shaft 41, wherein both ends of the shaft sleeves 42 are respectively connected to support tubes 43, wherein one side of the support tube 43 is provided with a raised limiting groove 431; a cleaning rod 45 passing through the support tube 43 is slidably installed inside the support tube 43, wherein a spiral inclined scraper 44 is installed on the cleaning rod 45; support rods 412 located inside the support tube 43 are respectively fixedly installed on both sides of the rotating shaft 41, wherein the support rod 412 is connected to the cleaning rod 45 via a connecting rod, wherein the connecting rod 47 is made of magnetic material, and a permanent magnet 49 is provided in the support tube 43 on one side away from the limiting groove 431; The reactor 1 is provided with a temperature control system 3, and the temperature control system 3 is used to control the temperature in the reactor 1; The reactor 1 is provided with a driving structure 2 connected to a rotating shaft 41, and the driving structure 2 is used to drive the rotating shaft 41 to rotate and change the rotation direction of the rotating shaft 41; A discharge structure 5 is installed at the bottom of the reactor 1 , and the discharge structure 5 is used to assist in discharging the raw materials in the reactor 1 .

[0027] The reactor 1 of the device is used for fermentation of herbicides. A stirring structure 4 is placed in the reactor 1. After the raw materials are put in, the rotating shaft 41 drives the stirring structure 4 to rotate, which can fully mix the raw materials. After the use is completed and the raw materials are emptied, the rotating shaft 41 rotates in the opposite direction, so that the scraper 44 can fit the inner wall of the reactor 1 to scrape off the residual raw materials, reducing the difficulty of cleaning. The temperature control system 3 is used to control the temperature in the reactor 1 to achieve the effect of constant temperature fermentation. The driving structure 2 is used to drive the rotating shaft 41 to rotate so that the rotating shaft 41 can rotate in both directions. The discharging structure 5 is used to assist in discharging the internal viscous raw materials.

[0028] A shaft sleeve 42 is mounted on the shaft sleeve 41. The support tube 43 on the shaft sleeve 42 and the cleaning rod 45 extending out of the support tube 43 have a stirring effect. The scraper 44 can also be used for stirring when suspended in the air, and is convenient for mixing the raw materials with a higher temperature near the inner wall of the reactor 1 with the raw materials with a lower temperature inside. The shaft 41 can rotate at a relatively small angle relative to the shaft sleeve 42. The rotation of the shaft 41 drives the support rod 412 located in the support tube 43 to rotate into the limit groove 431, and at the same time pulls the connecting rod 47, causing the cleaning rod 45 to retract inwardly, and the scraper 44 is away from the inner wall of the reactor 1. Therefore, during normal stirring, the scraper 44 will not contact the inner wall of the reactor 1, and will not cause wear or excessive resistance. The permanent magnet 49 is used to limit the connecting rod 47 after the connecting rod 47 moves out of the limiting groove 431. Since the support rod 412, the connecting rod 47 and the cleaning rod 45 are on the same axis during the cleaning process, the pressure from the cleaning rod 45 will not cause the cleaning rod 45 to retract. The permanent magnet 49 enhances the lateral suction force on the connecting rod 47 during this process, further avoiding the occurrence of retraction of the cleaning rod 45.

[0029] After the raw materials are discharged, when it is necessary to clean the inner wall of the reactor 1, the driving structure 2 is used to control the rotating shaft 41 to rotate in the opposite direction, and the support rod 412 is pressed back into the supporting tube 43, so that the support rod 412, the connecting rod 47 and the cleaning rod 45 are located on the same axis. The cleaning rod 45 is pushed outward, and the scraper 44 moves outward and fits against the inner wall of the reactor 1, so that the inner wall of the reactor 1 can be cleaned.

[0030] The device has a simple structure and is flexible and convenient to use. It can not only fully stir the raw materials, but also quickly remove internal residues when cleaning the reactor 1, will not cause long-term wear, and has a smaller demand for driving strength.

[0031] As another embodiment of the present invention, please refer to Figures 1 to 4 The cleaning rod 45 is connected in series with a spring 48, and the two ends of the spring 48 are respectively connected to the cleaning rod 45 and the support tube 43. The support tube 43 is externally provided with a plurality of inclined stirring paddles 46, and the stirring paddles 46 are inclined in opposite directions. The spring 48 makes the cleaning rod 45 have a tendency to be inserted inward, that is, under normal conditions, the scraper 44 will not contact the inner wall of the reactor 1. The stirring paddle 46 is used to further enhance the stirring effect, so that the stirring paddle 46 is inclined in different directions, and thrusts in different directions are generated at different heights during stirring, so that the liquid forms a circular movement, which can make the raw materials mixed more fully.

[0032] See also Figure 4, the sleeve 42 is provided with a relative fan-shaped positioning groove 421, and the rotating shaft 41 is fixedly mounted with a fan-shaped positioning plate 411, and the positioning plate 411 is located in the positioning groove 421, and the curvature of the positioning groove 421 is greater than that of the positioning plate 411. The positioning plate 411 cooperates with the positioning groove 421 to limit the angle of relative rotation between the sleeve 42 and the rotating shaft 41, which does not exceed the angle range of rotation of the support rod 412 in the limiting groove 431. The positioning plate 411 is used to disperse the force, and the positioning plate 411 is used as the main load-bearing structure, which is conducive to maintaining the stability of the overall structure.

[0033] See also Figure 1 , Figure 5 and Figure 6 The driving structure 2 includes a planet carrier 24 rotatably mounted on the surface of the reactor 1, a plurality of planetary gears 26 are rotatably mounted on the planet carrier 24, a sun gear 25 is meshedly mounted in the middle of the planetary gears 26, a transmission ring 23 is arranged outside the planetary gears 26, and an inner gear ring 232 meshing with the planetary gears 26 is arranged inside the transmission ring 23. The planetary gears 26 are mounted on the planet carrier 24, and the drive of the sun gear 25 is transmitted to the planetary gears 26. If the position of the planet carrier 24 is fixed, the sun gear 25 will drive the outer transmission ring 23 to rotate, and if the position of the transmission ring 23 is fixed, the sun gear 25 will drive the inner planet carrier 24 to rotate in the opposite direction.

[0034] See also Figure 1 , Figure 5 and Figure 6 , the transmission ring 23 is provided with an outer gear ring 231 on the outside, the planetary gear ring 24 is provided with a planetary gear ring 241 on the outside, and the rotating shaft 41 is respectively mounted with a primary ratchet 413 and a secondary ratchet 414 in opposite directions, the outer gear ring 231 is meshed with the primary ratchet 413, and the planetary gear ring 241 is meshed with the secondary ratchet 414. The outer gear ring 231 and the planetary gear ring 241 are respectively matched with the primary ratchet 413 and the secondary ratchet 414, and the effective rotation directions of the primary ratchet 413 and the secondary ratchet 414 are opposite, that is, when the planetary gear holder 24 is fixed, the outer gear ring 231 can drive the primary ratchet 413 to effectively transmit, while the secondary ratchet 414 rotates ineffectively, and when the transmission ring 23 is fixed, the planetary gear ring 241 can drive the secondary ratchet 414 to effectively transmit in the opposite direction, while the primary ratchet 413 rotates ineffectively. The ratchet is a common and universal structure, and all common ratchets can be applied to the present device, so the present device does not make too many restrictive descriptions on the specific structure of the ratchet.

[0035] See also Figure 1 , Figure 5 and Figure 6The reactor 1 is provided with track frames 22 located on both sides of the transmission ring 23, the transmission ring 23 passes through the track frames 22, the transmission ring 23 is slidably connected with the track frames 22, and the end of the housing away from the rotating shaft 41 is provided with a support frame 27, the support frame 27 is connected to the primary motor 21, and the primary motor 21 is connected to the sun gear 25. The track frame 22 provides support for the transmission ring 23 and limits the position of the transmission ring 23, and the support frame 27 is used to support the primary motor 21 and the sun gear 25.

[0036] See also Figure 1 , Figure 5 and Figure 6 , the support frame 27 is vertically mounted with an adjusting screw 28, the support frame 27 is slidably mounted with a lifting block 291, the lifting block 291 is threadedly connected with the adjusting screw 28, and the lifting block 291 is mounted with a brake block 29 located between the transmission ring 23 and the planet carrier 24. The adjusting screw 28 can control the height of the lifting block 291, the lifting block 291 drives the brake block 29 to rise, increases the friction between the lifting block 291 and the transmission ring 23, and can limit the rotation of the transmission ring 23, while the planet carrier 24 is not constrained, the lifting block 291 drives the brake block 29 to lower, then the transmission ring 23 can rotate freely, while the planet carrier 24 remains stationary.

[0037] See also Figure 1 The temperature control system 3 includes a water heater 34, which is connected to a water pump 33. A heat pipe 31 is provided inside the inner wall of the reactor 1 and is wound around the reactor 1. The two ends of the heat pipe 31 are connected to the water pump 33 and the water heater 34 through a hose 32. The water heater 34 supplies hot water, and the water pump 33 is used to circulate the water in the heat pipe 31. The temperature in the reactor 1 is changed by the temperature of the water, and constant temperature fermentation is further achieved. According to the production environment and the required temperature, the water heater 34 also has a structure for supplying cold water or dissipating heat and cooling. A temperature sensor should also be provided at the reactor 1 to monitor the temperature and adjust the intensity of heat transfer at any time. This part of the structure is a common and general structure in the art, so it is not described too much restrictively.

[0038] See also Figure 1 and Figure 7The discharging structure 5 includes a cylinder 51 installed on the reactor 1, a discharging port 511 is connected to one side of the cylinder 51, a discharging auger 52 is rotatably installed in the cylinder 51, and a secondary motor 53 is installed outside the cylinder 51, and the secondary motor 53 is connected to the discharging auger 52. The secondary motor 53 drives the discharging auger 52 to extract the fermentation product from above and continuously discharge it from the discharging port 511. The specific structure of the discharging structure 5 should not be regarded as a restrictive structure, and other structures that can improve the discharging can also meet the requirements of the present device, such as piston-type extrusion discharging, or a structure that uses a column to repeatedly poke to avoid clogging, etc.

[0039] See also Figure 1 A feed inlet 11 is provided at one end of the reactor 1, and a plurality of support legs 12 are installed outside the reactor 1. The feed inlet 11 is used to input raw materials, and the support legs 12 are used to provide support for the reactor 1.

[0040] The working principle of the present invention is: The device is provided with a rotating shaft 41 in the reactor 1, and a plurality of shaft sleeves 42 are sleeved on the rotating shaft 41. The shaft sleeves 42 can rotate within a small angle range relative to the rotating shaft 41. Support tubes 43 are provided at both ends of the shaft sleeves 42. A protruding limiting groove 431 is provided on one side of the supporting tube 43. A cleaning rod 45 is slidably installed in the supporting tube 43. The cleaning rod 45 is connected to the scraper 44. A support rod 412 inserted into the supporting tube 43 is installed on the rotating shaft 41. The support rod 412 is connected to the cleaning rod 45 through a connecting rod 47. When the rotating shaft 41 rotates toward the limiting groove 431, the support rod 412 and the connecting rod 47 are bent, and the cleaning rod 45 is pulled inward by a certain distance, so that the scraper 44 will not contact the inner wall of the reactor 1, and stirring can be performed normally. When the rotating shaft 41 rotates in the opposite direction, the support rod 412 pushes against the connecting rod 47, so that the cleaning rod 45 is pushed outward, and the scraper 44 is attached to the inner wall of the reactor 1, and can be used to clean the inner wall of the reactor 1.

[0041] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A biological herbicide reactor constant temperature fermentation device, comprising a reactor, characterized in that: A stirring structure is installed inside the reactor, and the stirring structure includes a rotating shaft installed in the reactor, a plurality of sleeves are rotatably installed on the rotating shaft, and support tubes are connected to the two ends of the sleeves respectively, and a raised limiting groove is provided on one side of the support tube; a cleaning rod passing through the support tube is slidably installed in the support tube, and a spirally inclined scraper is installed on the cleaning rod; support rods located inside the support tube are fixedly installed on both sides of the rotating shaft, and the support rods are connected to the cleaning rods through connecting rods, and the connecting rods are made of magnetic material, and a permanent magnet that fits the support rod is provided on one side of the support tube away from the limiting groove; The reactor is equipped with a temperature control system, which is used to control the temperature in the reactor; The reactor is provided with a driving structure connected to the rotating shaft, and the driving structure is used to drive the rotating shaft to rotate and change the rotation direction of the rotating shaft; A discharge structure is installed at the bottom of the reactor, and the discharge structure is used to assist in discharging the raw materials in the reactor.

2. The biological herbicide reactor constant temperature fermentation device according to claim 1, characterized in that: A spring is serially connected to the cleaning rod, and two ends of the spring are respectively connected to the cleaning rod and the support tube. A plurality of inclined stirring paddles are installed outside the support tube, and the inclination directions of the stirring paddles are opposite.

3. The biological herbicide reactor constant temperature fermentation device according to claim 1, characterized in that: The shaft sleeve is provided with opposite fan-shaped positioning grooves, and a fan-shaped positioning plate is fixedly mounted on the rotating shaft. The positioning plate is located in the positioning groove, and the curvature of the positioning groove is greater than that of the positioning plate.

4. The biological herbicide reactor constant temperature fermentation device according to claim 1, characterized in that: The driving structure includes a planetary carrier rotatably mounted on the surface of the reactor, a plurality of planetary gears rotatably mounted on the planetary carrier, a sun gear meshed with the middle of the planetary gears, a transmission ring is arranged outside the planetary gears, and an inner gear ring meshed with the planetary gears is installed inside the transmission ring.

5. The biological herbicide reactor constant temperature fermentation device according to claim 4, characterized in that: An outer gear ring is arranged outside the transmission ring, a planetary gear ring is arranged outside the planet carrier, a primary ratchet and a secondary ratchet in opposite directions are respectively mounted on the rotating shaft, the outer gear ring is meshed with the primary ratchet, and the planetary gear ring is meshed with the secondary ratchet.

6. The biological herbicide reactor constant temperature fermentation device according to claim 5, characterized in that: The reactor is provided with track frames located on both sides of the transmission ring, the transmission ring passes through the track frames, the transmission ring is slidably connected to the track frames, a support frame is provided at one end of the shell away from the rotating shaft, the support frame is connected to a primary motor, and the primary motor is connected to a sun gear.

7. The biological herbicide reactor constant temperature fermentation device according to claim 6, characterized in that: An adjusting screw is vertically mounted on the support frame, a lifting block is slidably mounted on the support frame, the lifting block is threadedly connected with the adjusting screw, and a brake block located between the transmission ring and the planetary frame is mounted on the lifting block.

8. The biological herbicide reactor constant temperature fermentation device according to claim 1, characterized in that: The temperature control system comprises a water heater, which is connected to a water pump. A heat conduction pipe wound around the reactor is arranged inside the inner wall of the reactor, and two ends of the heat conduction pipe are respectively connected to the water pump and the water heater through a hose.

9. The biological herbicide reactor constant temperature fermentation device according to claim 1, characterized in that: The discharging structure comprises a cylinder installed on the reaction kettle, one side of the cylinder is connected to a discharging port, a discharging auger is rotatably installed in the cylinder, a secondary motor is installed outside the cylinder, and the secondary motor is connected to the discharging auger.

10. The biological herbicide reactor constant temperature fermentation device according to claim 1 or 9, characterized in that: A feed port is arranged at one end of the reactor, and a plurality of supporting legs are installed outside the reactor.

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