Reaction kettle for biological fermentation

Abstract

The invention belongs to the technical field of biological fermentation equipment, and particularly relates to a biological fermentation reaction kettle which comprises a reaction kettle main body, an auxiliary stirring assembly is arranged at one end of a stirring shaft, a pollution discharge assembly is arranged on the inner wall of the bottom end of the reaction kettle main body, and a water spraying assembly is arranged at one end of a servo motor. When a connecting column rotates clockwise with a stirring shaft as the center, a ratchet wheel and a pawl are matched to push the connecting shaft to rotate, so that an extrusion block is pushed to apply pressure to the surface of a stress block and push the connecting column to rotate, and a damping rotating shaft is arranged, so that the extrusion block firstly pushes one end of a brush to slide out of the surface of a through hole and then pushes the connecting column to rotate; the inner side wall of the reaction kettle body is cleaned through cooperation of a connecting column and a brush, impurities on the surface of the brush can be scraped away through a tooth-shaped structure when the brush is reset, limiting of a sewage draining exit is relieved through cooperation of rotation of a scraping plate, and therefore the impurities are discharged into a collecting bin from the sewage draining exit.

Description

Technical Field

[0001] The present invention relates to the technical field of bioengineering, in particular to a reactor for biological fermentation. Background Art

[0002] A reactor, broadly defined as a container for physical or chemical reactions, achieves the heating, evaporation, cooling, and low-speed mixing required by the process through structural design and parameter configuration. Reactors are widely used in the petroleum, chemical, rubber, pesticide, dye, pharmaceutical, and food industries. They are pressure vessels used to carry out processes such as vulcanization, nitration, hydrogenation, hydrocarbonization, polymerization, and condensation. Reactors, such as reactors, reaction pots, decomposition pots, and polymerization kettles, are commonly made of carbon-manganese steel, stainless steel, zirconium, nickel-based alloys (Hastelloy, Monel, Inconel), and other composite materials.

[0003] After searching, the patent with announcement number CN117264762B discloses a high-efficiency food enzyme reactor and its use method, which is provided with a collection box. During the enzymatic hydrolysis process, as the shaft rotates in the forward direction, the stirring rod on the shaft can stir the raw materials and enzymes, and the guide plate can scrape against the bottom inner wall of the reactor, so that the flocs or sediments produced during the enzymatic hydrolysis process can enter the collection box along the guide plate and be collected. When the enzymatic hydrolysis is completed, the reactor can be injected with a cleaning agent through the shaft, so that the filter plate on the collection box can be automatically cleaned with the cooperation of the cleaning agent and the bristles. However, this high-efficiency food enzyme reactor is difficult to clean the flocs or sediments attached to the side inner wall of the reactor, and the cleaned flocs or sediments need to be discharged by opening the reactor, which is still inconvenient to use. Summary of the Invention

[0004] The object of the present invention is to provide a bio-fermentation reactor to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a reactor for biological fermentation, comprising a reactor body, a material injection port installed on the top surface of the reactor body and a material discharge port installed at the bottom end of the reactor body, a collecting bin is provided on the inner wall of the bottom end of the reactor body, and a sewage discharge pipe adapted for the collecting bin is provided on the outer wall of the bottom end of the reactor body, a stirring shaft is rotatably connected to the inner wall of the reactor body, one end of the stirring shaft is fixedly connected to a servo motor, and an auxiliary stirring assembly is provided at one end of the stirring shaft extending into the interior of the reactor body, the auxiliary stirring assembly comprises a water blocking cover and a transmission mechanism, a scraper is fixedly connected to the outer wall of the water blocking cover, a damping shaft is rotatably connected to the outer wall of the scraper, a connecting column is fixedly connected to the outer wall of the top end of the damping shaft, and a plurality of groups of grooves are provided on the outer periphery of the connecting column along the circumferential direction; a sewage discharge assembly is provided on the inner wall of the bottom end of the reactor body, and a water spray assembly is provided at one end of the servo motor.

[0006] Furthermore, the transmission mechanism includes a first outer gear ring installed on one end of the stirring shaft inside the water blocking cover, a gear adapted to the first outer gear ring is provided on the inner wall of the bottom end of the reactor body, and a first inner gear ring adapted to the gear is provided on the inner wall of the water blocking cover.

[0007] Furthermore, the auxiliary stirring assembly also includes a slide groove, and multiple groups of slide grooves are arranged on the inner wall of the connecting column in a circumferential direction, a brush is slidably connected to the inner wall of the slide groove, and a return spring adapted for the brush is arranged on the inner wall of the slide groove, a through hole adapted for the brush is arranged on the outer wall of the connecting column, and a toothed structure adapted for the brush is arranged on the inner wall of the through hole, a force block is fixedly connected to the side of the brush away from the through hole, a connecting shaft is rotatably connected to the outer wall of the scraper, and the axial direction of the connecting shaft passes through the center of the connecting column, and an extrusion block adapted for the force block is arranged on the outer wall of the connecting column.

[0008] Furthermore, the auxiliary stirring assembly also includes a pawl rotatably connected to the outer wall of one end of the connecting shaft, a spring sheet adapted to the pawl is provided on the outer wall of one end of the connecting shaft, a ratchet adapted to the pawl is provided on the outer wall of one end of the connecting shaft, a second outer tooth ring is fixedly connected to the outer wall of the ratchet, a limiting groove adapted to the ratchet is provided on the inner wall of the top end of the reactor body, and a second inner tooth ring adapted to the second outer tooth ring is provided on the inner wall of the limiting groove.

[0009] Furthermore, the sewage discharge component includes a sewage outlet arranged on the inner wall of the bottom end of the reactor body and adapted to the collection bin, a sealing plate adapted to the sewage outlet is provided on the inner wall of the bottom end of the reactor body, a fin is fixedly connected to the outer wall of one end of the sealing plate, a rotating groove adapted to the fin is provided on the inner wall of the bottom end of the reactor body, a fixed column is fixedly connected to the inner wall of the bottom end of the reactor body, a rotating sleeve is rotatably connected to the outer wall of the fixed column, and a second portion adapted to the rotating sleeve is also provided on the outer wall of the fixed column. A torsion spring, an arc-shaped groove is provided on the outer wall of the rotating sleeve, an arc-shaped slider is slidably connected to the inner wall of the arc-shaped groove, a baffle is fixedly connected to the outer wall of one end of the arc-shaped slider, a second torsion spring adapted to the baffle is provided on the outer wall of the fixed column, a trapezoidal groove adapted to the baffle is provided on the inner wall of the bottom end of the reactor body, a push plate is fixedly connected to the outer wall of one end of the rotating sleeve, an air storage adapted to the push plate is provided on the inner wall of the bottom end of the reactor body, and a vent is provided on the inner wall of the bottom end of the reactor body.

[0010] Furthermore, the water spray assembly includes a water tank installed on the side of the servo motor close to the reactor body, a water injection pipe is fixedly connected to the outer wall of the water tank, a water injection groove is opened on the inner wall of the top end of the stirring shaft, and a water inlet adapted to the water injection groove is provided on the outer wall of one end of the stirring shaft extending into the water tank, a water pipe adapted to the water injection groove is provided at the top position of the stirring shaft located inside the reactor body, and a plurality of groups of nozzles at different angles are provided on the outer wall of the water pipe.

[0011] Compared with the prior art, the present invention has the following beneficial effects: When the present invention stirs the material, the material impacts the groove on the outer wall of the connecting column, and the inertial force makes the material try to maintain a straight line motion, while the curvature of the arc surface of the groove forces the material to turn. When the viscosity is insufficient to maintain the adherent flow, the material will separate from the wall of the groove, forming a recirculation zone and a vortex downstream, thereby improving the stirring effect of the material; when the connecting column rotates clockwise with the stirring shaft as the center, the ratchet and the pawl cooperate to push the connecting shaft to rotate, thereby pushing the extrusion block to apply pressure to the surface of the force-bearing block and pushing the connecting column to rotate. By setting a damping shaft, the extrusion block first pushes one end of the brush to slide out of the surface of the through hole, and then pushes the connecting column to rotate. The inner side wall of the reactor body is cleaned by the cooperation of the connecting column and the brush. When the brush is reset, the toothed structure can scrape off impurities on the surface of the brush, and then cooperate with the rotation of the scraper to release the limit on the sewage outlet, thereby discharging the impurities from the sewage outlet into the interior of the collection bin. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 Schematic diagram of the internal structure of the reactor body of the present invention; Figure 3 This is a schematic structural diagram of the first outer gear ring and the gear cooperating with each other in the present invention; Figure 4 This is a schematic diagram of the structure of the brush and the return spring cooperating with each other in the present invention; Figure 5 This is a schematic diagram of the structure of the through hole and the tooth-shaped structure cooperating with each other in the present invention; Figure 6 This is a schematic diagram of the structure of the pawl and the spring sheet cooperating with each other in the present invention; Figure 7 This is a schematic diagram of the structure of the fins and the rotating grooves that cooperate with each other in the present invention; Figure 8 This is a schematic diagram of the structure of the arc groove and the arc slider cooperating with each other in the present invention; Figure 9 This is a schematic diagram of the structure of the gas chamber and the vent hole cooperating with each other in the present invention; Figure 10 It is a structural schematic diagram of the water spray assembly of the present invention.

[0013] In the figure: 1. Reactor body; 2. Injection port; 3. Discharge port; 4. Collection chamber; 5. Drain pipe; 6. Stirring shaft; 7. Servo motor; 8. Auxiliary stirring assembly; 801. Water blocking cover; 802. First outer gear ring; 803. Gear; 804. First inner gear ring; 805. Scraper; 806. Damping shaft; 807. Connecting column; 808. Groove; 809. Slide; 810. Brush; 811. Return spring; 812. Through hole; 813. Tooth structure; 814. Force block; 815. Connecting shaft; 816. Extrusion block; 817. Paw; 818. Spring sheet; 819. Ratchet; 82 0. Second outer gear ring; 821. Limiting groove; 822. Second inner gear ring; 9. Sewage discharge assembly; 901. Sewage outlet; 902. Sealing plate; 903. Fin; 904. Rotating groove; 905. Fixed column; 906. Rotating sleeve; 907. First torsion spring; 908. Arc groove; 909. Arc slider; 910. Baffle; 911. Second torsion spring; 912. Trapezoidal groove; 913. Push plate; 914. Air chamber; 915. Vent; 10. Water spray assembly; 1001. Water chamber; 1002. Water injection pipe; 1003. Water injection trough; 1004. Water inlet; 1005. Water pipe; 1006. Spray nozzle. DETAILED DESCRIPTION

[0014] The following will provide a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0015] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0016] See also Figures 1-10 The present invention provides a technical solution: a bio-fermentation reactor, comprising a reactor body 1, a material injection port 2 installed on the top surface of the reactor body 1 and a material discharge port 3 installed at the bottom end of the reactor body 1, a collection bin 4 is provided on the inner wall of the bottom end of the reactor body 1, a sewage discharge pipe 5 adapted to the collection bin 4 is provided on the outer wall of the bottom end of the reactor body 1, a stirring shaft 6 is rotatably connected to the inner wall of the reactor body 1, one end of the stirring shaft 6 is fixedly connected to a servo motor 7, and an auxiliary stirring component 8 is provided on the end of the stirring shaft 6 extending into the interior of the reactor body 1, and the auxiliary stirring component 8 is provided. Component 8 includes a water-blocking cover 801 and a transmission mechanism. A scraper 805 is fixedly connected to the outer wall of the water-blocking cover 801. A damping shaft 806 is rotatably connected to the outer wall of the scraper 805. A connecting column 807 is fixedly connected to the outer wall of the top end of the damping shaft 806. The outer periphery of the connecting column 807 is provided with multiple groups of grooves 808 along the circumferential direction. A sewage discharge component 9 is provided on the inner wall of the bottom end of the reactor body 1 for cooperating with the scraper 805 to discharge impurities into the collection bin 4. A water spray component 10 is provided at one end of the servo motor 7 for spraying water inside the reactor body 1. When in use, first inject the material into the interior of the reactor body 1 through the injection port 2, then connect the external power supply, start the servo motor 7, drive the stirring shaft 6 to rotate clockwise to stir the material, thereby improving the reaction efficiency of the material, and when the stirring shaft 6 rotates clockwise, it will drive the scraper 805 and the connecting column 807 to rotate counterclockwise through the transmission mechanism. At this time, the damping effect between the damping shaft 806 and the scraper 805 allows the connecting column 807 to remain stable when rotating counterclockwise, so that the connecting column 807 assists in stirring the material. In this process, when the material impacts the groove 808 on the outer wall of the connecting column 807, the material maintains a straight line motion due to inertia, and the curvature of the arc surface of the groove 808 causes the material to turn. When the viscosity is insufficient to maintain the adherent flow, the material will separate from the wall of the groove 808, forming a reflux zone and a vortex downstream, thereby improving the stirring effect on the material. After the reaction of the material is completed, it will be discharged through the discharge port 3. The filter screen on the surface of the discharge port 3 can intercept the flocs and sediments in the material inside the reactor body 1. At this time, the servo motor 7 drives the stirring shaft 6 to rotate counterclockwise, and cooperates with the water spray component 10 to spray water into the interior of the reactor body 1, so that the auxiliary stirring component 8 cleans the internal side wall of the reactor body 1. At the same time, the scraper 805 cleans the internal bottom end of the reactor body 1. The cleaned flocs and sediments will be discharged into the interior of the collection bin 4 through the sewage discharge component 9, and finally discharged through the sewage pipe 5.

[0017] The transmission mechanism includes a first outer gear ring 802 installed on one end of the stirring shaft 6 inside the water blocking cover 801, a gear 803 adapted to the first outer gear ring 802 is provided on the inner wall of the bottom end of the reactor body 1, and a first inner gear ring 804 adapted to the gear 803 is provided on the inner wall of the water blocking cover 801.

[0018] During use, the stirring shaft 6 will drive the first outer gear ring 802 to rotate synchronously when it rotates. At the same time, through the engagement between the first outer gear ring 802, the gear 803 and the first inner gear ring 804, the first outer gear ring 802 will drive the water blocking cover 801 to rotate in the opposite direction of the stirring shaft 6 through the gear 803 and the first inner gear ring 804 when it rotates.

[0019] See also Figure 3-Figure 6 The auxiliary stirring assembly 8 also includes a slide 809. A plurality of slide grooves 809 are provided on the inner wall of the connecting column 807 along the circumferential direction. A brush 810 is slidably connected to the inner wall of the slide 809. A return spring 811 adapted to the brush 810 is provided on the inner wall of the slide 809. A through hole 812 adapted to the brush 810 is provided on the outer wall of the connecting column 807. A toothed structure 813 adapted to the brush 810 is provided on the inner wall of the through hole 812. A force block 814 is fixedly connected to the side of the brush 810 away from the through hole 812. A connecting shaft 815 is rotatably connected to the outer wall of the scraper 805, and the axial direction of the connecting shaft 815 passes through the connecting column 807. At the exact center of the connecting column 807, an extrusion block 816 adapted to the force block 814 is provided on the outer wall of the connecting column 807, a pawl 817 is rotatably connected to the outer wall of one end of the connecting shaft 815, a spring sheet 818 adapted to the pawl 817 is provided on the outer wall of one end of the connecting shaft 815, a ratchet 819 adapted to the pawl 817 is provided on the outer wall of one end of the connecting shaft 815, a second outer tooth ring 820 is fixedly connected to the outer wall of the ratchet 819, a limiting groove 821 adapted to the ratchet 819 is provided on the inner wall of the top end of the reactor body 1, and a second inner tooth ring 822 adapted to the second outer tooth ring 820 is provided on the inner wall of the limiting groove 821.

[0020] When in use, when the connecting column 807 rotates counterclockwise inside the reactor body 1 with the stirring shaft 6 as the center, it will drive the connecting shaft 815 to rotate synchronously, so that one end of the connecting shaft 815 slides inside the limiting groove 821. At this time, the second outer gear ring 820 is engaged with the second inner gear ring 822 and the second outer gear ring 820 to push the ratchet 819 to rotate. The ratchet 819 pushes the pawl 817 to rotate on the surface of the connecting shaft 815 and squeeze the spring sheet 818. The spring sheet 818 pushes the ratchet 819 to reset and prevent the connecting shaft 815 from rotating. When the connecting column 807 rotates clockwise inside the reactor body 1 with the stirring shaft 6 as the center, the second outer gear ring 820 is engaged with the ratchet 819 and the pawl 817 to push the second inner gear ring 822 when it rotates. The connecting shaft 815 rotates clockwise, and when the connecting shaft 815 rotates, it drives the squeezing block 816 to rotate inside the slide groove 809 and exerts pressure on the surface of the force-bearing block 814, thereby pushing the force-bearing block 814 and the brush 810 to slide inside the slide groove 809 and squeeze the return spring 811, so that one end of the brush 810 slides out of the surface of the through hole 812, and the connecting shaft 815 continues to rotate and cooperates with the squeezing block 816 to push the connecting column 807 to rotate, so that the brush 810 cleans the inner side wall of the reactor body 1. After the connecting column 807 rotates counterclockwise for a period of time, the connecting column 807 is controlled to rotate clockwise, and the force of the return spring 811 pushes the brush 810 to reset. At this time, the toothed structure 813 will squeeze the brush 810, thereby scraping off impurities on the surface of the brush 810.

[0021] See also Figure 7-Figure 9 The sewage discharge component 9 includes a sewage outlet 901 provided on the inner wall of the bottom end of the reactor body 1 and adapted to the collection bin 4, a sealing plate 902 adapted to the sewage outlet 901 is provided on the inner wall of the bottom end of the reactor body 1, a fin 903 is fixedly connected to the outer wall of one end of the sealing plate 902, a rotating groove 904 adapted to the fin 903 is provided on the inner wall of the bottom end of the reactor body 1, a fixed column 905 is fixedly connected to the inner wall of the bottom end of the reactor body 1, a rotating sleeve 906 is rotatably connected to the outer wall of the fixed column 905, a first torsion spring 907 adapted to the rotating sleeve 906 is also provided on the outer wall of the fixed column 905, and the outer wall of the rotating sleeve 906 is provided with a first torsion spring 907 adapted to the rotating sleeve 906. An arc-shaped groove 908 is provided on the wall, and an arc-shaped slider 909 is slidably connected to the inner wall of the arc-shaped groove 908. A baffle 910 is fixedly connected to the outer wall of one end of the arc-shaped slider 909. A second torsion spring 911 adapted to the baffle 910 is provided on the outer wall of the fixed column 905. A trapezoidal groove 912 adapted to the baffle 910 is provided on the inner wall of the bottom end of the reactor body 1. A push plate 913 is fixedly connected to the outer wall of one end of the rotating sleeve 906. An air storage 914 adapted to the push plate 913 is provided on the inner wall of the bottom end of the reactor body 1. A vent 915 for connecting the rotating groove 904 and the air storage 914 is provided on the inner wall of the bottom end of the reactor body 1.

[0022] When in use, when the scraper 805 rotates clockwise inside the reactor body 1, the scraper 805 will squeeze the baffle 910, so that the baffle 910 pushes the arc-shaped slider 909 to rotate on the surface of the arc groove 908 and applies a torsional force to the second torsion spring 911. When the baffle 910 rotates around the fixed column 905 to fit the surface of the trapezoidal groove 912, the top of the baffle 910 will move to the bottom of the scraper 805. After the scraper 805 passes above the baffle 910, the second torsion spring 911 is forced to push the baffle 910 to reset. When the scraper 805 rotates counterclockwise inside the reactor body 1, the scraper 805 will push the rotating sleeve 909 through the baffle 910. 6 rotates on the surface of the fixed column 905 and applies a torsional force to the first torsion spring 907. When rotating, the rotating sleeve 906 pushes the push plate 913 to squeeze the air inside the air chamber 914, so that the air inside the air chamber 914 pushes the fin 903 to rotate inside the rotating groove 904 through the vent 915, thereby driving the blocking plate 902 to rotate synchronously, and then releasing the restriction on the sewage outlet 901, allowing the scraper 805 to scrape impurities into the sewage outlet 901 and into the interior of the collection bin 4. When the scraper 805 passes above the baffle 910, the force of the first torsion spring 907 pushes the rotating sleeve 906 to return to its original position, so that the blocking plate 902 limits the sewage outlet 901 again.

[0023] See also Figure 10 The water spray assembly 10 includes a water tank 1001 installed on the side of the servo motor 7 close to the reactor body 1, a water injection pipe 1002 is fixedly connected to the outer wall of the water tank 1001, a water injection groove 1003 is opened on the inner wall of the top end of the stirring shaft 6, and a water inlet 1004 adapted to the water injection groove 1003 is provided on the outer wall of the end of the stirring shaft 6 extending into the water tank 1001, and a water pipe 1005 adapted to the water injection groove 1003 is provided at the top position of the stirring shaft 6 located inside the reactor body 1, and a plurality of groups of nozzles 1006 at different angles are provided on the outer wall of the water pipe 1005.

[0024] During use, cleaning liquid is injected into the water tank 1001 through the water injection pipe 1002. As the amount of cleaning liquid in the water tank 1001 increases, it will enter the water injection tank 1003 through the water inlet 1004. Then the cleaning liquid will enter the water pipe 1005 and be sprayed into the interior of the reactor body 1 through the nozzle 1006. At the same time, the stirring shaft 6 drives the water pipe 1005 to rotate inside the reactor body 1 and the different angles of each nozzle 1006, so that the cleaning liquid can be sprayed to every corner inside the reactor body 1.

[0025] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A bio-fermentation reactor, comprising a reactor body (1), a material injection port (2) mounted on the top surface of the reactor body (1), and a material discharge port (3) mounted on the bottom end of the reactor body (1), a collecting bin (4) being provided on the inner wall of the bottom end of the reactor body (1), a sewage discharge pipe (5) adapted to the collecting bin (4) being provided on the outer wall of the bottom end of the reactor body (1), a stirring shaft (6) being rotatably connected to the inner wall of the reactor body (1), and a servo motor (7) being fixedly connected to one end of the stirring shaft (6), characterized in that: An auxiliary stirring assembly (8) is provided at one end of the stirring shaft (6) extending into the interior of the reactor body (1), the auxiliary stirring assembly (8) comprising a water blocking cover (801) and a transmission mechanism, a scraper (805) is fixedly connected to the outer wall of the water blocking cover (801), a damping shaft (806) is rotatably connected to the outer wall of the scraper (805), a connecting column (807) is fixedly connected to the outer wall of the top end of the damping shaft (806), and a plurality of groups of grooves (808) are provided on the outer periphery of the connecting column (807) along the circumferential direction; a sewage discharge assembly (9) is provided on the inner wall of the bottom end of the reactor body (1), and a water spray assembly (10) is provided at one end of the servo motor (7).

2. A bio-fermentation reactor according to claim 1, characterized in that: The transmission mechanism comprises a first outer gear ring (802) mounted on one end of the stirring shaft (6) located inside the water blocking cover (801); a gear (803) adapted to the first outer gear ring (802) is provided on the inner wall of the bottom end of the reactor body (1); and a first inner gear ring (804) adapted to the gear (803) is provided on the inner wall of the water blocking cover (801).

3. A bio-fermentation reactor according to claim 1, characterized in that: The auxiliary stirring assembly (8) further comprises a slide groove (809), a plurality of slide grooves (809) are provided on the inner wall of the connecting column (807) along the circumferential direction, a brush (810) is slidably connected to the inner wall of the slide groove (809), a return spring (811) adapted for the brush (810) is provided on the inner wall of the slide groove (809), a through hole (812) adapted for the brush (810) is provided on the outer wall of the connecting column (807), and the through hole (811) A toothed structure (813) adapted for the brush (810) is provided on the inner wall of the scraper (805), a force-bearing block (814) is fixedly connected to the side of the brush (810) away from the through hole (812), a connecting shaft (815) is rotatably connected to the outer wall of the scraper (805), and the axial direction of the connecting shaft (815) passes through the center of the connecting column (807), and an extrusion block (816) adapted for the force-bearing block (814) is provided on the outer wall of the connecting column (807).

4. A bio-fermentation reactor according to claim 3, characterized in that: The auxiliary stirring assembly (8) further comprises a pawl (817) rotatably connected to the outer wall of one end of the connecting shaft (815); a spring sheet (818) adapted to the pawl (817) is provided on the outer wall of one end of the connecting shaft (815); a ratchet (819) adapted to the pawl (817) is provided on the outer wall of one end of the connecting shaft (815); a second outer tooth ring (820) is fixedly connected to the outer wall of the ratchet (819); a limiting groove (821) adapted to the ratchet (819) is provided on the inner wall of the top end of the reactor body (1); and a second inner tooth ring (822) adapted to the second outer tooth ring (820) is provided on the inner wall of the limiting groove (821).

5. A bio-fermentation reactor according to claim 1, characterized in that: The sewage discharge assembly (9) comprises a sewage outlet (901) provided on the inner wall of the bottom end of the reactor body (1) and adapted to the collecting bin (4); a blocking plate (902) adapted to the sewage outlet (901) is provided on the inner wall of the bottom end of the reactor body (1); a fin (903) is fixedly connected to the outer wall of one end of the blocking plate (902); a rotating groove (904) adapted to the fin (903) is provided on the inner wall of the bottom end of the reactor body (1); a fixed column (905) is fixedly connected to the inner wall of the bottom end of the reactor body (1); a rotating sleeve (906) is rotatably connected to the outer wall of the fixed column (905); a first torsion spring (907) adapted to the rotating sleeve (906) is also provided on the outer wall of the fixed column (905); An arc-shaped groove (908) is provided on the outer wall of the rotating sleeve (906), an arc-shaped slider (909) is slidably connected to the inner wall of the arc-shaped groove (908), a baffle (910) is fixedly connected to the outer wall of one end of the arc-shaped slider (909), a second torsion spring (911) adapted to the baffle (910) is provided on the outer wall of the fixed column (905), a trapezoidal groove (912) adapted to the baffle (910) is provided on the inner wall of the bottom end of the reactor body (1), a push plate (913) is fixedly connected to the outer wall of one end of the rotating sleeve (906), an air chamber (914) adapted to the push plate (913) is provided on the inner wall of the bottom end of the reactor body (1), and a vent hole (915) is provided on the inner wall of the bottom end of the reactor body (1).

6. A bio-fermentation reactor according to claim 1, characterized in that: The water spray assembly (10) comprises a water tank (1001) mounted on a side of the servo motor (7) close to the reactor body (1), a water injection pipe (1002) being fixedly connected to the outer wall of the water tank (1001), a water injection groove (1003) being provided on the inner wall of the top end of the stirring shaft (6), a water inlet (1004) adapted to the water injection groove (1003) being provided on the outer wall of one end of the stirring shaft (6) extending into the interior of the water tank (1001), a water pipe (1005) adapted to the water injection groove (1003) being provided at the top position of the stirring shaft (6) located inside the reactor body (1), and a plurality of nozzles (1006) at different angles being provided on the outer wall of the water pipe (1005).

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