A kind of artificial wetland phosphorus removal enhancing bacterial agent and its preparation device and method

Abstract

The present invention discloses a device for preparing an artificial wetland phosphorus removal enhancing bacterial agent, comprising a reactor body, an operating assembly is arranged on the top of the reactor body, a main shaft is arranged inside the reactor body, which is transmission-connected to the operating assembly, an auxiliary mechanism is arranged at the bottom of the reactor body, and the auxiliary mechanism is detachably transmission-connected to the main shaft, the auxiliary mechanism comprises a conveying pipeline, one end of the conveying pipeline is fixedly connected to the bottom of the reactor body, and the other end bypasses the outside of the reactor body and extends from the top of one side of the reactor body to the inside of the reactor body and is connected to the reactor body, which solves the problem of precipitation affecting the mixing efficiency and quality due to the difference in material quality during the material mixing process, solves the problem of residue inside the conveying pipeline, and also provides an air intake structure required by special gases, and the overall operation is convenient.

Description

Technical Field

[0001] The invention belongs to the technical field of phosphorus removal agent preparation, and specifically relates to an artificial wetland phosphorus removal enhancing bacterial agent and a preparation device and method thereof. Background Art

[0002] Phosphorus removal agent is an item used for coagulation and turbidity removal of urban water sources and phosphorus removal. It can achieve the purpose of deep phosphorus removal while coagulating and turbidity removal of urban water sources, thereby reducing the phosphorus content in the treated drinking water to below the limit value. It does not require changing the raw water treatment process or adding large-scale water treatment structures. It is simple, easy, economical and practical, and can achieve significant social and economic benefits.

[0003] The existing phosphorus removal agents often require the mixing of multiple materials during the preparation process. When each material is mixed, due to the different masses of each material, the heavier material will be mostly at the bottom. In this way, the concentration of the material at the bottom will be higher during mixing, thus affecting the overall mixing quality, which in turn affects the overall use effect of the phosphorus removal agent. Summary of the invention

[0004] The purpose of the present invention is to provide an artificial wetland phosphorus removal enhancing bacterial agent and a preparation device and method thereof, so as to solve the problem that the existing phosphorus removal agents often need to mix multiple materials during the preparation process, and when each material is mixed, due to the different masses of the materials themselves, the materials with larger mass are mostly in the lower part. In this way, the concentration of the material in the lower part will be higher during mixing, thereby affecting the overall mixing quality, and thus affecting the overall use effect of the phosphorus removal agent.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: a device for preparing an artificial wetland phosphorus removal enhancing bacterial agent, comprising a reactor body, an operating assembly is arranged on the top of the reactor body, a main shaft is arranged inside the reactor body and is transmission-connected to the operating assembly, an auxiliary mechanism is arranged at the bottom of the reactor body, and the auxiliary mechanism is detachably transmission-connected to the main shaft;

[0006] The auxiliary mechanism comprises a conveying pipeline, one end of which is fixedly connected to the bottom of the reactor body and the other end of which bypasses the outside of the reactor body and extends from the top of one side of the reactor body to communicate with the reactor body. One end of the conveying pipeline close to the bottom of the reactor body is fixedly connected to a bend pipe and one end of the bend pipe extends into the reactor body. An air intake assembly is fixedly arranged on the side of the conveying pipeline opposite to the bend pipe. A fan blade is arranged inside the end of the conveying pipeline close to the bottom of the reactor body. A moving disc is arranged at the bottom of the fan blade. A partition plate movably connected to the conveying pipeline through a sealed bearing is fixedly connected to the top of the fan blade. A rotating disc is arranged on the top of the partition. Gear teeth are machined on the outer side of the rotating disc. A micro electric cylinder is fixedly connected between the main shaft and the rotating disc. A spiral plate is movably connected to the inside of the bend pipe through a bearing. A gear is fixedly connected to the top of the spiral plate. The gear is arranged on one side of the rotating disc in a retracted state and meshed with the rotating disc. A card and assembly are arranged between the rotating disc and the partition.

[0007] Preferably, the card and assembly include a square telescopic rod fixedly connected to the top of the partition, a spring is sleeved on the outside of the smaller inner rod at the bottom of the square telescopic rod, the top of the square telescopic rod is extended inside the rotating disk, the air intake assembly includes an air pipe fixedly connected to the conveying pipeline, a gas quick connector for easy plug-in is fixedly connected to the top of the air pipe, a limit plate is sleeved on the outside of the junction of the air pipe and the gas quick connector, the limit plate is fixedly connected to the outside of the reactor body, and the reactor body and the conveying pipeline are arranged in a circulating flow.

[0008] Preferably, the operating component protects an upper cover arranged on the top of the reactor body, a locking bolt is arranged between the upper cover and the reactor body, the upper cover and the reactor body are detachably connected through the locking bolt, a plurality of addition tubes are fixedly connected to the outer side of the top of the upper cover, a sealing cover is fixedly connected to the top of the plurality of addition tubes, the plurality of addition tubes are all inclinedly arranged, an exhaust pipe is fixedly connected to the top of the upper cover, a one-way valve is fixedly arranged on the exhaust pipe, a motor is fixedly arranged at the center of the top of the upper cover, and the output shaft of the motor extends into the interior of the reactor body and is transmission-connected to the main shaft.

[0009] Preferably, a control panel is fixedly connected to the outer surface of the reactor body, and the control panel is electrically connected to the micro electric cylinder.

[0010] Preferably, a plurality of supporting legs are fixedly connected to the bottom of the reactor body in a circular arrangement, and a plurality of stirring rods for stirring are fixedly connected to the outer side of the main shaft.

[0011] Preferably, the fan blades are made of metal and the moving disc is a magnet.

[0012] A method for using a device for preparing an artificial wetland phosphorus removal enhancing bacterial agent, characterized in that the specific steps are as follows:

[0013] S1: Materials: 50-60 parts of Pseudomonas, 20-30 parts of Bacillus, 10-20 parts of Corynebacterium, 5-15 parts of biofilm;

[0014] S2: Hybrid:

[0015] The main shaft and multiple stirring rods are driven by the starting motor to mix, and the micro electric cylinder is controlled by the control panel to extend and retract. When retracting, the rotating disk is meshed with the gear, thereby driving the spiral plate to rotate. The rotation of the spiral plate is used to transport the heavy material that sinks to the bottom through the conveying pipeline to the top of the reactor body and then enter the reactor body for stirring, forming an uninterrupted process.

[0016] When the micro electric cylinder extends toward the bottom, the meshing connection between the rotating disk and the gear is lost, so that the micro electric cylinder pushes the rotating disk to insert the square telescopic rod into the rotating disk, so that the partition and the fan blades at the bottom thereof are driven to rotate due to the rectangular shape of the square telescopic rod, and the air intake assembly is used to suck gas from the outside, and the air pressure is used to squeeze the moving disc to move inside the conveying pipeline to remove the residue inside the conveying pipeline;

[0017] S3: fermentation, activating the strain and inoculating it in an inorganic salt medium for fermentation, the culture temperature is 26-30°C, and the culture time is 45-50h; the fermentation culture method of the bacillus is: activating the strain and inoculating it in a nutrient broth NB medium for fermentation, the culture temperature is 30-34°C, and the culture time is 22-25h;

[0018] S4: After the standing is completed, the Bacillus is fermented and cultured and then allowed to stand for 48 to 72 hours, and a thin film formed at the bacterial liquid-air interface is collected.

[0019] The invention discloses an artificial wetland phosphorus removal enhancing bacterial agent prepared by an artificial wetland phosphorus removal enhancing bacterial agent preparation device, characterized in that the agent comprises the following raw materials in parts by weight: 50 to 60 parts of Pseudomonas, 20 to 30 parts of Bacillus, 10 to 20 parts of Corynebacterium, and 5 to 15 parts of biofilm.

[0020] Preferably: the concentration of Pseudomonas is 1×10 7 ~10 9 CFU / mL; the concentration of the Bacillus is 1×10 9 ~10 11 CFU / mL, the concentration of the coryneform bacteria is 1×10 8 ~10 10 CFU / mL, the biofilm is a thin film formed after Pseudomonas fermentation and standing.

[0021] The technical effects and advantages of the present invention are as follows: by utilizing the rotation of the spiral plate, the material with a larger mass that sinks to the bottom is transported to the top of the reactor body through the conveying pipe and then re-enters the reactor body for stirring, forming an uninterrupted process; the micro-electric cylinder is used to push the rotating disk to insert the square telescopic rod into the rotating disk, so that the partition and the fan blades at the bottom thereof can be driven to rotate due to the rectangular shape of the square telescopic rod; the gas is sucked from the outside and the air pressure is used to squeeze the moving disc to move inside the conveying pipe to remove the residue inside the conveying pipe. The present invention solves the problem that the precipitation caused by the difference in material quality during the material mixing process affects the mixing efficiency and quality, and solves the problem of residue inside the conveying pipe, and also provides an air intake structure required by special gases, and the overall operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the present invention;

[0023] Figure 2 A bottom view of the present invention;

[0024] Figure 3 It is a schematic diagram of the internal structure of the present invention;

[0025] Figure 4 It is a schematic diagram of the fan blade installation structure of the present invention;

[0026] Figure 5 It is a schematic diagram of the card and component structure of the present invention.

[0027] In the figure: 2, motor; 3, adding pipe; 4, upper cover; 5, conveying pipeline; 501, moving disc; 502, fan blade; 6, supporting leg; 7, reactor body; 8, air intake assembly; 801, air pipe; 802, gas quick connector; 9, locking bolt; 10, sealing cover; 11, elbow; 12, control panel; 13, main shaft; 14, stirring rod; 15, card and assembly; 16, gear; 17, spiral plate; 18, partition; 19, spring; 20, micro electric cylinder; 21, square telescopic rod; 22, rotating disk. DETAILED DESCRIPTION

[0028] 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.

[0029] The present invention provides Figure 1 ,2 and Figure 3 The device for preparing an artificial wetland phosphorus removal enhancing bacterial agent shown in the figure comprises a reactor body 7, characterized in that: an operating assembly is arranged on the top of the reactor body 7, a main shaft 13 connected to the operating assembly is arranged inside the reactor body 7, an auxiliary mechanism is arranged at the bottom of the reactor body 7, and the auxiliary mechanism is connected to the main shaft 13 in a detachable manner;

[0030] The auxiliary mechanism includes a delivery pipe 5, one end of which is fixedly connected to the bottom of the reactor body 7 and the other end of which bypasses the outside of the reactor body 7 and extends from the top of one side of the reactor body 7 to the inside of the reactor body 7 and is connected to the reactor body 7. A control panel 12 is fixedly connected to the outer surface of the reactor body 7, and the control panel 12 is electrically connected to the micro-electric cylinder 20. An end of the delivery pipe 5 close to the bottom of the reactor body 7 is fixedly connected to a bend pipe 11 and one end of the bend pipe 11 extends into the reactor body 7. An air intake component 8 is fixedly arranged on the side of the delivery pipe 5 opposite to the bend pipe 11. A fan blade 502 is arranged inside the end of the delivery pipe 5 close to the bottom of the reactor body 7. The fan A movable disc 501 is provided at the bottom of the blade 502, and a partition 18 movably connected to the conveying pipe 5 through a sealed bearing is fixedly connected to the top of the blade 502. The blade 502 is made of metal material, and the movable disc 501 is a magnet. A rotating disc 22 is provided on the top of the partition 18, and gear teeth are processed on the outer side of the rotating disc 22. A micro electric cylinder 20 is fixedly connected between the main shaft 13 and the rotating disc 22. A spiral plate 17 is movably connected to the inside of the curved pipe 11 through a bearing, and a gear 16 is fixedly connected to the top of the spiral plate 17. The gear 16 is arranged on one side of the rotating disc 22 in the retracted state and is meshed with the rotating disc 22. A card and component 15 is provided between the rotating disc 22 and the partition 18.

[0031] like Figure 1 and Figure 5 As shown, the card and assembly 15 includes a square telescopic rod 21 fixedly connected to the top of the partition 18, a spring 19 is sleeved on the outside of the smaller inner rod at the bottom of the square telescopic rod 21, and an extendable rotating disk 22 is arranged inside the top of the square telescopic rod 21. The air intake assembly 8 includes an air pipe 801 fixedly connected to the conveying pipeline 5, and a gas quick connector 802 is fixedly connected to the top of the air pipe 801 for easy plugging. A limit plate is sleeved on the outside of the junction between the air pipe 801 and the gas quick connector 802, and the limit plate is fixedly connected to the outside of the reactor body 7, and the reactor body 7 and the conveying pipeline 5 are arranged in a circular flow;

[0032] like Figure 1 and Figure 3As shown, the operating assembly protects the upper cover 4 disposed on the top of the reactor body 7, a locking bolt 9 is disposed between the upper cover 4 and the reactor body 7, and the upper cover 4 and the reactor body 7 are detachably connected through the locking bolt 9, a plurality of addition tubes 3 are fixedly connected to the outer side of the top of the upper cover 4, a sealing cover 10 is fixedly connected to the top of the plurality of addition tubes 3, and the plurality of addition tubes 3 are all inclinedly disposed, an exhaust pipe is fixedly connected to the top of the upper cover 4, a one-way valve is fixedly disposed on the exhaust pipe, a motor 2 is fixedly disposed at the center of the top of the upper cover 4, an output shaft of the motor 2 extends into the interior of the reactor body 7 and is transmission-connected to a main shaft 13, a plurality of support legs 6 are fixedly connected to the bottom of the reactor body 7 in a circumferential row, and a plurality of stirring rods 14 for stirring are fixedly connected to the outer side of the main shaft 13;

[0033] A method for using a device for preparing an artificial wetland phosphorus removal enhancing bacterial agent, characterized in that the specific steps are as follows:

[0034] S1: Materials: 50-60 parts of Pseudomonas, 20-30 parts of Bacillus, 10-20 parts of Corynebacterium, 5-15 parts of biofilm;

[0035] S2: Hybrid:

[0036] The main shaft 13 and the plurality of stirring rods 14 are driven to mix by starting the motor 2, and the micro electric cylinder 20 is controlled to extend and retract by the control panel 12. When retracting, the rotating disk 22 is meshed and connected with the gear 16, so that the spiral plate 17 can be driven to rotate. The materials with a larger mass and sinking to the bottom are transported to the top of the reactor body 7 by the conveying pipe 5 and then enter the reactor body 7 again for stirring, forming an uninterrupted process.

[0037] When the micro electric cylinder 20 extends toward the bottom, the meshing connection between the rotating disk 22 and the gear 16 can be lost, so that the micro electric cylinder 20 pushes the rotating disk 22 to insert the square telescopic rod 21 into the rotating disk 22, so that the partition 18 and the fan blades 502 at the bottom thereof can be driven to rotate by utilizing the rectangular shape of the square telescopic rod 21, and the gas is sucked from the outside by utilizing 8, and the air pressure of the air intake assembly 8 is utilized to squeeze the moving disc 501 to move inside the conveying pipe 5, so as to remove the residue inside the conveying pipe 5;

[0038] S3: fermentation, activating the strain and inoculating it in an inorganic salt medium for fermentation, the culture temperature is 26-30°C, and the culture time is 45-50h; the fermentation culture method of Bacillus is preferably: activating the strain and inoculating it in a nutrient broth NB medium for fermentation, the culture temperature is 30-34°C, and the culture time is 22-25h;

[0039] S4: After the standing is completed, the Bacillus is fermented and cultured and then allowed to stand for 48 to 72 hours, and a thin film formed at the bacterial liquid-air interface is collected;

[0040] An artificial wetland phosphorus removal enhancing bacterial agent prepared by an artificial wetland phosphorus removal enhancing bacterial agent preparation device is characterized in that it comprises the following raw materials in parts by weight: 50 to 60 parts of Pseudomonas, 20 to 30 parts of Bacillus, 10 to 20 parts of Corynebacterium, 5 to 15 parts of biofilm, and the concentration of Pseudomonas is 1×10 7 ~10 9 CFU / mL; the concentration of Bacillus is 1×10 9 ~10 11 CFU / mL, the concentration of Corynebacterium is 1×10 8 ~10 10 CFU / mL, biofilm is the thin film formed after Pseudomonas fermentation and standing;

[0041] Working principle: Figure 1 , 2 and Figure 3 As shown, the main shaft 13 and the plurality of stirring rods 14 are driven to mix by starting the motor 2, and the micro electric cylinder 20 is controlled to extend and retract by the control panel 12. When retracting, the rotating disk 22 is meshed and connected with the gear 16, so that the spiral plate 17 can be driven to rotate. The material with a larger mass and sinking to the bottom is transported to the top of the reactor body 7 by the conveying pipe 5 and then enters the reactor body 7 again for stirring, forming an uninterrupted process. Figure 3 , 4 and Figure 5 As shown, when the micro electric cylinder 20 extends toward the bottom, the meshing connection between the rotating disk 22 and the gear 16 can be lost, so that the micro electric cylinder 20 pushes the rotating disk 22 to insert the square telescopic rod 21 into the rotating disk 22, so that the partition 18 and the fan blades 502 at the bottom thereof can be driven to rotate by utilizing the rectangular shape of the square telescopic rod 21, and the gas is sucked from the outside by utilizing 8, and the gas pressure is used to squeeze the moving disk 501 to move inside the conveying pipe 5, so as to remove the residue inside the conveying pipe 5;

[0042] like Figure 5 As shown, by setting the spring 19 and the square telescopic rod 21, when the micro electric cylinder 20 starts to push the rotating disk 22 downward to plug into the square telescopic rod 21, hard collision can be prevented when it is not aligned. The rotating disk 22 can be retracted downward by the setting of the spring 19 and the square telescopic rod 21, and the rotating disk 22 will complete the plugging with the square telescopic rod 21 at the next moment when rotating, thereby reducing the damage rate and increasing the service life;

[0043] like Figure 1 and Figure 3 As shown, the gas quick connector 802 can be used to allow the specified gas to enter through the gas quick connector 802 when mixing special materials with gas requirements, thereby preventing the internal reaction kettle from being affected, thereby improving versatility. The exhaust pipe and the one-way valve fixed thereon can provide exhaust work, thereby preventing the exhaust pipe from backflowing.

[0044] In summary, the present invention solves the problem that the quality difference of materials during the material mixing process will cause precipitation to affect the mixing efficiency and quality, and solves the problem of residue inside the conveying pipeline. It also provides an air intake structure required by special gases, and the overall operation is convenient.

[0045] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for preparing an artificial wetland phosphorus removal enhancing bacterial agent, comprising a reactor body (7), characterized in that: An operating assembly is arranged on the top of the reactor body (7), a main shaft (13) is arranged inside the reactor body (7) and is transmission-connected to the operating assembly, and an auxiliary mechanism is arranged at the bottom of the reactor body (7) and is detachably transmission-connected to the main shaft (13); The auxiliary mechanism comprises a conveying pipe (5), one end of which is fixedly connected to the bottom of the reactor body (7) and the other end of which bypasses the outside of the reactor body (7) and extends from the top of one side of the reactor body (7) to the inside of the reactor body (7) and is connected to the reactor body (7); one end of the conveying pipe (5) close to the bottom of the reactor body (7) is fixedly connected to a bend pipe (11) and one end of the bend pipe (11) extends into the inside of the reactor body (7); an air intake assembly (8) is fixedly arranged on the side of the conveying pipe (5) opposite to the bend pipe (11); a fan blade (502) is arranged inside the end of the conveying pipe (5) close to the bottom of the reactor body (7); a movable fan blade (502) is arranged at the bottom of the fan blade (502). A disc (501), the top of the fan blade (502) is fixedly connected to a baffle (18) movably connected to the conveying pipe (5) via a sealed bearing, a rotating disc (22) is arranged on the top of the baffle (18), the outer side of the rotating disc (22) is processed with gear teeth, a micro electric cylinder (20) is fixedly connected between the main shaft (13) and the rotating disc (22), a spiral plate (17) is movably connected to the inside of the curved pipe (11) via a bearing, a gear (16) is fixedly connected to the top of the spiral plate (17), the gear (16) is arranged on one side of the rotating disc (22) in a retracted state and is meshed with the rotating disc (22), and a card and assembly (15) are arranged between the rotating disc (22) and the baffle (18); The card and assembly (15) comprises a square telescopic rod (21) fixedly connected to the top of the partition (18), a spring (19) is sleeved on the outer side of the inner rod at the bottom of the square telescopic rod (21), and a rotating disk (22) is arranged inside the top of the square telescopic rod (21), and the air intake assembly (8) comprises an air pipe (801) fixedly connected to the conveying pipeline (5), a gas quick connector (802) is fixedly connected to the top of the air pipe (801) for easy plugging, a limit plate is sleeved on the outer side of the junction between the air pipe (801) and the gas quick connector (802), and the limit plate is fixedly connected to the outer side of the reactor body (7), and the reactor body (7) and the conveying pipeline (5) are arranged in a circular flow arrangement; The movable disc (501) is a semicircular structure.

2. The device for preparing an artificial wetland phosphorus removal enhancing bacterial agent according to claim 1, characterized in that: The operating assembly protects an upper cover (4) disposed on the top of the reactor body (7); a locking bolt (9) is disposed between the upper cover (4) and the reactor body (7); the upper cover (4) and the reactor body (7) are detachably connected via the locking bolt (9); a plurality of addition tubes (3) are fixedly connected to the outer side of the top of the upper cover (4); a sealing cover (10) is fixedly connected to the top of each of the plurality of addition tubes (3); each of the plurality of addition tubes (3) is arranged in an inclined manner; an exhaust pipe is fixedly connected to the top of the upper cover (4); a one-way valve is fixedly disposed on the exhaust pipe; a motor (2) is fixedly disposed at the center of the top of the upper cover (4); an output shaft of the motor (2) extends into the interior of the reactor body (7) and is transmission-connected to a main shaft (13).

3. The device for preparing an artificial wetland phosphorus removal enhancing bacterial agent according to claim 1, characterized in that: A control panel (12) is fixedly connected to the outer surface of the reactor body (7), and the control panel (12) is electrically connected to the micro electric cylinder (20).

4. The device for preparing an artificial wetland phosphorus removal enhancing bacterial agent according to claim 1, characterized in that: The bottom of the reactor body (7) is fixedly connected to a plurality of support legs (6) in a circular arrangement, and the outer side of the main shaft (13) is fixedly connected to a plurality of stirring rods (14) for stirring.

5. The device for preparing an artificial wetland phosphorus removal enhancing bacterial agent according to claim 1, characterized in that: The fan blades (502) are made of metal material, and the moving disc (501) is a magnet.

6. A method for using a device for preparing an artificial wetland phosphorus removal enhancing bacterial agent according to any one of claims 1 to 5, characterized in that: The specific steps are as follows: S1: Materials: 50-60 parts of Pseudomonas, 20-30 parts of Bacillus, 10-20 parts of Corynebacterium, 5-15 parts of biofilm; S2: Hybrid: The main shaft (13) and the plurality of stirring rods (14) are driven to mix by starting the motor (2), and the micro electric cylinder (20) is controlled to extend and retract by the control panel (12). When retracting, the rotating disk (22) is meshed with the gear (16), thereby driving the spiral plate (17) to rotate. The rotation of the spiral plate (17) is then used to transport the materials at the bottom of the reactor body (7) through the transport pipe (5) to the top of the reactor body (7) and then reenter the reactor body (7) for stirring, thereby forming an uninterrupted process. When the micro electric cylinder (20) extends toward the bottom, the meshing connection between the rotating disk (22) and the gear (16) is lost, so that the micro electric cylinder (20) pushes the rotating disk (22) to insert the square telescopic rod (21) into the rotating disk (22), so that the partition plate (18) and the fan blades (502) at the bottom thereof are driven to rotate by utilizing the rectangular shape of the square telescopic rod (21), and gas is sucked from the outside by utilizing the air intake assembly (8), and the moving disk (501) is pressed by air pressure to move inside the conveying pipe (5), thereby removing the residue inside the conveying pipe (5); S3: fermentation, activating the strain and inoculating it in an inorganic salt medium for fermentation, the culture temperature is 26-30°C, and the culture time is 45-50h; the fermentation culture method of the bacillus is: activating the strain and inoculating it in a nutrient broth NB medium for fermentation, the culture temperature is 30-34°C, and the culture time is 22-25h; S4: After the standing is completed, the Bacillus is fermented and cultured and then allowed to stand for 48 to 72 hours, and a thin film formed at the bacterial liquid-air interface is collected.

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