Sea grass attached microorganism flotation device and method

Abstract

The invention discloses a sea grass attached microorganism flotation device, and relates to the technical field of sea grass attached microorganism flotation, the sea grass attached microorganism flotation device comprises a flotation box, a waterproof box is fixedly connected to the inner wall of the flotation box, and a waterproof stepping motor is fixedly connected to the inner wall of the waterproof box. According to the device, a waterproof stepping motor, a vertical rod and a small gear can drive a large gear to rotate, and the large gear and a rotating shaft can drive a coarse filtering cylinder to rotate, so that sea grass attached microorganisms are fully mixed with flotation liquid, and microbial floccules are generated; microbial floccules enter the filter box through the overflow tank, the fixed tank body and the water pipe, the microbial floccules can be filtered through the fine filter screen plate and enter the storage box through the feeding port, so that the floated microorganisms are automatically collected, the floated microorganisms do not need to be manually collected, the operation process is simple, and the operation efficiency is high. Time and labor are saved, the flotation efficiency is improved, and the requirements of people can be met.

Description

Technical Field

[0001] The invention relates to the technical field of seaweed attached microorganism flotation, and in particular to a seaweed attached microorganism flotation device and method. Background Art

[0002] Seagrasses form vast meadows in coastal environments around the globe, providing breeding grounds and food for fish. Seagrass meadows also play an important role in reducing carbon dioxide due to their large biomass production. The nitrogen required for this biomass production is generally thought to be absorbed by seagrasses through their leaves and roots from the surrounding environment, however many seagrasses are also found in oligotrophic, low-nitrogen environments. The discovery of the flotation method for seagrass-attached microorganisms provides new ideas and methods for the research and utilization of seagrasses.

[0003] The existing technology for flotation separation of microorganisms attached to seaweed usually involves manual separation using a large amount of chemical agents, and during the flotation process, the floated microorganisms usually need to be collected manually. The operation process is cumbersome, labor-intensive, and inefficient, and cannot meet people's needs.

[0004] In view of the above problems, we propose a flotation device and method for seaweed-attached microorganisms. Summary of the invention

[0005] The purpose of the present invention is to solve the defect that "the existing technology for flotation separation of microorganisms attached to seaweed is usually carried out by manual use of a large amount of chemical agents, and the floated microorganisms are usually required to be manually collected during the flotation process. The operation process is cumbersome, labor-intensive, and inefficient, and cannot meet people's needs", thereby proposing a flotation device and method for seaweed attached microorganisms.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions: A seaweed-attached microorganism flotation device comprises a flotation box, a waterproof box is fixedly connected to the inner wall of the flotation box, a waterproof stepping motor is fixedly connected to the inner wall of the waterproof box, the output end of the waterproof stepping motor passes through the upper end of the waterproof box and is fixedly connected to a vertical rod, a small gear is fixedly sleeved on the vertical rod, a large gear is meshedly connected to the small gear, a rotating shaft is fixedly inserted at the center of the large gear, a coarse filtering cylinder is fixedly installed on the upper end of the rotating shaft, a fixed trough body is fixedly connected to the side wall of the flotation box, a straight cylinder is fixedly connected to the inner wall of the flotation box, a steering box is fixedly connected to the inner wall of the straight cylinder, a fixed box is fixedly connected to the side wall of the straight cylinder, the upper end of the vertical rod passes through the lower end of the fixed box and is fixedly connected to a first Bevel gear, the first bevel gear is meshed with the second bevel gear, a cross bar is fixedly inserted at the center of the second bevel gear, the other end of the cross bar passes through the side walls of the fixed box and the steering box and is fixedly connected to a worm, the worm is meshed with a worm wheel, a rotating rod is fixedly inserted at the center of the worm wheel, both ends of the rotating rod pass through the side wall of the steering box and are fixedly connected to a first bevel gear, each of the first bevel gears is meshed with a second bevel gear, a connecting shaft is fixedly inserted at the center of each of the second bevel gears, two filter boxes are fixedly connected to the side wall of the flotation box, each of the filter boxes is provided with a fine filter mesh plate, and one end of each connecting shaft passes through the straight cylinder and the side wall of the filter box and is fixedly connected to a vibration mechanism.

[0007] Preferably, the vibration mechanism includes two discs, each of which is fixedly connected to one end of the connecting shaft, a connecting rod is rotatably connected to the side wall of each disc, a sleeve is fixedly connected to the inner walls of the two filter boxes, a slide is rotatably connected to the upper end of each connecting rod, a push plate is fixedly connected to the upper end of each slide, a push block is fixedly connected to the upper end of each push plate, and each slide is slidably connected to the inner wall of the sleeve.

[0008] Preferably, a storage box is fixedly connected to the side walls of the two filter boxes, a filter plate is fixedly connected to the inner wall of each storage box, the upper ends of the two filter boxes and the two storage boxes are set to be in an open state, a water storage tank is fixedly connected to the side wall of the flotation box, each of the filter box and the storage box is connected to the water storage tank through a connecting pipe, and each of the filter box is connected to the storage box through a feed port.

[0009] Preferably, the vertical rod is rotatably connected in the inner walls of the waterproof box and the fixed box, the horizontal rod is rotatably connected in the inner walls of the fixed box and the steering box, the rotating rod is rotatably connected in the inner wall of the steering box, and both of the connecting shafts are rotatably connected in the inner walls of the straight cylinder and the filter box.

[0010] Preferably, an overflow trough is provided on one side of the fixed trough body adjacent to the flotation box, two water pipes are symmetrically fixedly connected to the lower end of the fixed trough body, and a liquid inlet pipe and a liquid outlet pipe are fixedly connected to the side wall of the flotation box.

[0011] Preferably, a circulation pump is fixedly connected to the side wall of the water storage tank, the input end of the circulation pump is connected to the inside of the water storage tank, and the output end of the circulation pump is connected to the flotation tank through a reflux pipe.

[0012] Preferably, the upper end of the coarse filter cartridge is meshingly connected with an upper cover, the lower end of the rotating shaft is rotatably connected to the inner wall of the flotation box, and one end of the two fine filter screens are rotatably connected to the inner wall of the filter box.

[0013] Preferably, a bracket is fixedly connected to the lower end of the flotation box, and a plurality of supporting legs are symmetrically fixedly installed on the lower end of the bracket.

[0014] A method for flotation of seaweed-attached microorganisms, comprising the following steps: Step 1: pre-treating the seaweed sample to remove impurities and separate microorganisms attached to the seaweed; Step 2: placing the microorganisms separated in step 1 into a specific culture medium for culturing to increase their quantity and activity; Step 3, mixing the microorganisms cultured in step 2 with the prepared flotation agent to form a microbial flotation solution; Step 4: adding the seaweed sample to the flotation solution in step 3, and stirring sufficiently to allow the microorganisms to react with the surface of the seaweed; Step 5: Use flotation equipment to separate seaweed from other substances, thereby achieving flotation of microorganisms attached to seaweed.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The waterproof stepping motor, the vertical rod and the small gear drive the large gear to rotate, and the large gear and the rotating shaft drive the coarse filter cylinder to rotate, so that the seaweed attached microorganisms are fully mixed with the flotation liquid to generate microbial flocs. When the water level of the flotation liquid is higher than the overflow tank, the microbial flocs pass through the overflow tank, the fixed tank body and the water pipe into the filter box, and the microbial flocs can be filtered through the fine filter plate and enter the storage box through the feed port, so that the floated microorganisms are automatically collected, and there is no need to manually collect the floated microorganisms. The operation process is relatively simple, saving time and labor, and improving the efficiency of flotation, which can meet people's needs. The worm is driven to rotate through the vertical rod, the first bevel gear, the second bevel gear and the horizontal rod, and the connecting shaft is driven to rotate through the worm, the worm wheel, the rotating rod, the first bevel gear and the second bevel gear. The slide plate is driven to move up and down through the connecting shaft, the disc and the connecting rod. The fine filter screen can be driven to shake up and down through the slide plate, the push plate and the push block, so that the microbial flocs can slide into the storage box more easily to avoid clogging the fine filter screen. The flotation liquid in the filter box and the storage box can enter the water storage tank through the connecting pipe, and the flotation liquid can enter the flotation box through the circulation pump and the reflux pipe, so as to facilitate the recycling of the flotation liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front perspective view of a seaweed-attached microorganism flotation device proposed by the present invention; Figure 2 A partially cutaway stereoscopic diagram of a seaweed-attached microorganism flotation device proposed by the present invention; Figure 3 This is a schematic diagram of the top view of a seaweed-attached microorganism flotation device proposed by the present invention; Figure 4 This is a schematic diagram of the enlarged structure of a disc in a seaweed-attached microorganism flotation device proposed by the present invention; Figure 5 for Figure 3 Enlarged view of point A in the middle.

[0017] In the figure: 1 flotation box, 2 waterproof box, 3 waterproof stepping motor, 4 vertical rod, 5 small gear, 6 large gear, 7 rotating shaft, 8 coarse filter cylinder, 9 straight cylinder, 10 fixed box, 11 first bevel gear, 12 second bevel gear, 13 cross bar, 14 worm, 15 worm wheel, 16 rotating rod, 17 first bevel gear, 18 second bevel gear, 19 connecting shaft, 20 disc, 21 connecting rod, 22 slide plate, 23 push plate, 24 push block, 25 filter box, 26 fine filter screen plate, 27 storage box, 28 filter plate, 29 water storage tank, 30 circulation pump, 31 fixed tank body, 32 overflow tank, 33 bracket, 34 water pipe, 35 steering box, 36 sleeve. DETAILED DESCRIPTION

[0018] The following embodiments of the present invention are described in further detail in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "disposed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] Reference Figure 1-Figure 5 A seaweed-attached microorganism flotation device and method, comprising a flotation box 1, a waterproof box 2 is fixedly connected to the inner wall of the flotation box 1, a waterproof stepping motor 3 is fixedly connected to the inner wall of the waterproof box 2, the output end of the waterproof stepping motor 3 passes through the upper end of the waterproof box 2 and is fixedly connected to a vertical rod 4, a small gear 5 is fixedly sleeved on the vertical rod 4, a large gear 6 is meshed and connected to the small gear 5, a rotating shaft 7 is fixedly inserted at the center of the large gear 6, a coarse filter cartridge 8 is fixedly installed on the upper end of the rotating shaft 7, a fixed trough 31 is fixedly connected to the side wall of the flotation box 1, and a fixed trough 31 is fixedly connected to the inner wall of the flotation box 1. There is a straight cylinder 9, the inner wall of the straight cylinder 9 is fixedly connected with a steering box 35, the side wall of the straight cylinder 9 is fixedly connected with a fixed box 10, the upper end of the vertical rod 4 passes through the lower end of the fixed box 10 and is fixedly connected with a first bevel gear 11, the first bevel gear 11 is meshed with a second bevel gear 12, the center of the second bevel gear 12 is fixedly inserted with a cross bar 13, the other end of the cross bar 13 passes through the side walls of the fixed box 10 and the steering box 35 and is fixedly connected with a worm 14, the worm 14 is meshed with a worm wheel 15, the center of the worm wheel 15 is fixedly inserted with a rotating rod 16, and both ends of the rotating rod 16 pass through The side wall of the steering box 35 is passed through and fixedly connected with a No. 1 bevel gear 17, each No. 1 bevel gear 17 is meshed with a No. 2 bevel gear 18, and a connecting shaft 19 is fixedly inserted at the center of each No. 2 bevel gear 18. Two filter boxes 25 are fixedly connected to the side wall of the flotation box 1, and each filter box 25 is provided with a fine filter screen 26. One end of each connecting shaft 19 passes through the straight cylinder 9 and the side wall of the filter box 25 and is fixedly connected with a vibration mechanism. The waterproof stepping motor 3, the vertical rod 4 and the small gear 5 will drive the large gear 6 to rotate, and the large gear 6 and the rotating shaft 7 will drive the coarse filter screen 26 to rotate. The filter cylinder 8 rotates so that the seaweed-attached microorganisms are fully mixed with the flotation liquid to generate microbial flocs. When the water level of the flotation liquid is higher than the overflow tank 32, the microbial flocs pass through the overflow tank 32, the fixed tank body 31 and the water pipe 34 into the filter box 25. The microbial flocs can be filtered through the fine filter mesh plate 26 and enter the storage box 27 through the feed port, thereby automatically collecting the floated microorganisms. There is no need to manually collect the floated microorganisms. The operation process is relatively simple, saving time and effort, improving the efficiency of flotation, and meeting people's needs.

[0021] Among them, the vibration mechanism includes two discs 20, each disc 20 is fixedly connected to one end of the connecting shaft 19, and a connecting rod 21 is rotatably connected to the side wall of each disc 20. A sleeve 36 is fixedly connected to the inner wall of the two filter boxes 25, and a slide plate 22 is rotatably connected to the upper end of each connecting rod 21. A push plate 23 is fixedly connected to the upper end of each slide plate 22, and a push block 24 is fixedly connected to the upper end of each push plate 23. Each slide plate 22 is slidably connected to the inner wall of the sleeve 36, and the slide plate 22 is driven to move up and down by the connecting shaft 19, the disc 20 and the connecting rod 21. The fine filter screen plate 26 can be driven to shake up and down by the slide plate 22, the push plate 23 and the push block 24, so that the microbial flocs can slide into the storage box 27 more easily to avoid clogging the fine filter screen plate 26.

[0022] Among them, the side walls of the two filter boxes 25 are fixedly connected with a storage box 27, the inner wall of each storage box 27 is fixedly connected with a filter plate 28, the upper ends of the two filter boxes 25 and the two storage boxes 27 are set to an open state, and the side wall of the flotation box 1 is fixedly connected with a water storage tank 29, each filter box 25 and the storage box 27 are connected to the water storage tank 29 through a connecting pipe, and each filter box 25 is connected to the storage box 27 through a feed port, and the flotation liquid in the filter box 25 and the storage box 27 can enter the water storage tank 29 through the connecting pipe.

[0023] Among them, the vertical rod 4 is rotatably connected in the inner walls of the waterproof box 2 and the fixed box 10, the horizontal rod 13 is rotatably connected in the inner walls of the fixed box 10 and the steering box 35, the rotating rod 16 is rotatably connected in the inner wall of the steering box 35, and the two connecting shafts 19 are rotatably connected in the inner walls of the straight cylinder 9 and the filter box 25. The vertical rod 4 can drive the pinion 5 to rotate.

[0024] An overflow trough 32 is provided on one side of the fixed trough 31 adjacent to the flotation box 1. Two water pipes 34 are symmetrically fixedly connected to the lower end of the fixed trough 31. A liquid inlet pipe and a liquid outlet pipe are fixedly connected to the side wall of the flotation box 1, and flotation liquid can be input through the liquid inlet pipe.

[0025] Among them, a circulation pump 30 is fixedly connected to the side wall of the water storage tank 29, the input end of the circulation pump 30 is connected to the inside of the water storage tank 29, and the output end of the circulation pump 30 is connected to the flotation tank 1 through a reflux pipe. The flotation liquid can be circulated through the circulation pump 30 and the reflux pipe.

[0026] Among them, the upper end of the coarse filter cartridge 8 is meshedly connected with an upper cover, the lower end of the rotating shaft 7 is rotatably connected to the inner wall of the flotation box 1, and one end of the two fine filter screens 26 are rotatably connected to the inner wall of the filter box 25. The coarse filter cartridge 8 can be driven to rotate by the rotating shaft 7.

[0027] The lower end of the flotation box 1 is fixedly connected with a bracket 33 , and the lower end of the bracket 33 is symmetrically fixedly installed with a plurality of supporting legs, and the flotation device can be supported by the supporting legs and the bracket 33 .

[0028] A method for flotation of seaweed-attached microorganisms, comprising the following steps: Step 1: pre-treating the seaweed sample to remove impurities and separate microorganisms attached to the seaweed; Step 2: placing the microorganisms separated in step 1 into a specific culture medium for culturing to increase their quantity and activity; Step 3, mixing the microorganisms cultured in step 2 with the prepared flotation agent to form a microbial flotation solution; Step 4: adding the seaweed sample to the flotation solution in step 3, and stirring sufficiently to allow the microorganisms to react with the surface of the seaweed; Step 5: Use flotation equipment to separate seaweed from other substances, thereby achieving flotation of microorganisms attached to seaweed.

[0029] In the present invention, when in use, the upper cover is opened, seaweed is placed in the coarse filter cylinder 8, and then the flotation liquid is introduced through the liquid inlet pipe, and the waterproof stepping motor 3 is started. The waterproof stepping motor 3 will drive the vertical rod 4 to rotate, the vertical rod 4 will drive the small gear 5 to rotate, the small gear 5 will drive the large gear 6 to rotate, the large gear 6 will drive the rotating shaft 7 to rotate, and the rotating shaft 7 will drive the coarse filter cylinder 8 to rotate, so that the seaweed attached microorganisms and the flotation liquid are fully mixed to generate microbial flocs, and the microbial flocs will float above the flotation liquid. When the water level of the flotation liquid is higher than the overflow tank 32, the microbial flocs will enter the fixed tank body 31 through the overflow tank 32, and enter the filter box 25 through the water pipe 34. The microbial flocs can be filtered through the fine filter screen plate 26 and enter the storage box 27 through the feed port, so that the floated microorganisms are automatically collected, and there is no need to manually collect the floated microorganisms. The operation process is relatively simple, time-saving and labor-saving, and the flotation efficiency is improved, which can meet people's needs. Further, the vertical rod 4 will drive the first bevel gear 11 to rotate, the first bevel gear 11 will drive the second bevel gear 12 to rotate, the second bevel gear 12 will drive the cross rod 13 to rotate, the cross rod 13 will drive the worm 14 to rotate, the worm 14 will drive the worm wheel 15 to rotate, the worm wheel 15 will drive the rotating rod 16 to rotate, the rotating rod 16 will drive the first bevel gear 17 to rotate, the first bevel gear 17 will drive the second bevel gear 18 to rotate, the second bevel gear 18 will drive the connecting shaft 19 to rotate, the connecting shaft 19 will drive the disc 20 to rotate, and the disc 20 will rotate through the connecting rod 21. The slide plate 22 is driven to move up and down, and the slide plate 22 drives the push block 24 to move up and down through the push plate 23, and the push block 24 drives the fine filter screen plate 26 to shake up and down, so that the microbial flocs can slide into the storage box 27 more easily, avoiding clogging of the fine filter screen plate 26; further, the flotation liquid in the filter box 25 and the storage box 27 can enter the water storage tank 29 through the connecting pipe, and then the flotation liquid can be recycled through the circulating pump 30 and the reflux pipe. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0030] The above are only preferred specific implementation modes of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A flotation device for seaweed-attached microorganisms, comprising a flotation box (1), characterized in that: The inner wall of the flotation box (1) is fixedly connected to a waterproof box (2), the inner wall of the waterproof box (2) is fixedly connected to a waterproof stepping motor (3), the output end of the waterproof stepping motor (3) passes through the upper end of the waterproof box (2) and is fixedly connected to a vertical rod (4), a small gear (5) is fixedly sleeved on the vertical rod (4), a large gear (6) is meshedly connected to the small gear (5), a rotating shaft (7) is fixedly inserted at the center of the large gear (6), and the upper end of the rotating shaft (7) is fixedly connected to the vertical rod (4). A coarse filter cartridge (8) is fixedly mounted on the end thereof, a fixed tank body (31) is fixedly connected to the side wall of the flotation box (1), a straight cylinder (9) is fixedly connected to the inner wall of the flotation box (1), a steering box (35) is fixedly connected to the inner wall of the straight cylinder (9), a fixed box (10) is fixedly connected to the side wall of the straight cylinder (9), the upper end of the vertical rod (4) passes through the lower end of the fixed box (10) and is fixedly connected to a first bevel gear (11), and a meshing connection is formed on the upper end of the first bevel gear (11). A second bevel gear (12) is connected, a cross bar (13) is fixedly inserted at the center of the second bevel gear (12), the other end of the cross bar (13) passes through the side walls of the fixed box (10) and the steering box (35) and is fixedly connected to a worm (14), the worm (14) is meshedly connected to a worm wheel (15), a rotating rod (16) is fixedly inserted at the center of the worm wheel (15), both ends of the rotating rod (16) pass through the side walls of the steering box (35) and are fixedly connected to the first bevel gear (12). gear (17), each of the first bevel gears (17) is meshedly connected with a second bevel gear (18), a connecting shaft (19) is fixedly inserted through the center of each of the second bevel gears (18), two filter boxes (25) are fixedly connected to the side wall of the flotation box (1), each of the filter boxes (25) is provided with a fine filter screen (26), and one end of each of the connecting shafts (19) passes through the straight cylinder (9) and the side wall of the filter box (25) and is fixedly connected to a vibration mechanism.

2. The seaweed-attached microorganism flotation device according to claim 1, characterized in that: The vibration mechanism comprises two discs (20), each of the discs (20) being fixedly connected to one end of a connecting shaft (19), a connecting rod (21) being rotatably connected to the side wall of each disc (20), a sleeve (36) being fixedly connected to the inner walls of the two filter boxes (25), a slide plate (22) being rotatably connected to the upper end of each connecting rod (21), a push plate (23) being fixedly connected to the upper end of each slide plate (22), a push block (24) being fixedly connected to the upper end of each push plate (23), and each slide plate (22) being slidably connected to the inner wall of the sleeve (36).

3. A seaweed-attached microorganism flotation device according to claim 2, characterized in that: The side walls of the two filter boxes (25) are fixedly connected to a storage box (27), the inner wall of each storage box (27) is fixedly connected to a filter plate (28), the upper ends of the two filter boxes (25) and the two storage boxes (27) are arranged to be in an open state, the side wall of the flotation box (1) is fixedly connected to a water storage tank (29), each of the filter boxes (25) and the storage box (27) is connected to the water storage tank (29) via a connecting pipe, and each of the filter boxes (25) is connected to the storage box (27) via a feed inlet.

4. The seaweed-attached microorganism flotation device according to claim 1, characterized in that: The vertical rod (4) is rotatably connected to the inner walls of the waterproof box (2) and the fixed box (10), the horizontal rod (13) is rotatably connected to the inner walls of the fixed box (10) and the steering box (35), the rotating rod (16) is rotatably connected to the inner wall of the steering box (35), and the two connecting shafts (19) are rotatably connected to the inner walls of the straight cylinder (9) and the filter box (25).

5. The seaweed-attached microorganism flotation device according to claim 1, characterized in that: An overflow trough (32) is provided on one side of the fixed trough body (31) adjacent to the flotation box (1), two water pipes (34) are symmetrically fixedly connected to the lower end of the fixed trough body (31), and a liquid inlet pipe and a liquid outlet pipe are fixedly connected to the side wall of the flotation box (1).

6. The seaweed-attached microorganism flotation device according to claim 3, characterized in that: A circulation pump (30) is fixedly connected to the side wall of the water storage tank (29); the input end of the circulation pump (30) is in communication with the interior of the water storage tank (29); and the output end of the circulation pump (30) is in communication with the flotation tank (1) via a return pipe.

7. The seaweed-attached microorganism flotation device according to claim 1, characterized in that: The upper end of the coarse filter cartridge (8) is meshingly connected with an upper cover, the lower end of the rotating shaft (7) is rotatably connected to the inner wall of the flotation box (1), and one end of each of the two fine filter screens (26) is rotatably connected to the inner wall of the filter box (25).

8. The seaweed-attached microorganism flotation device according to claim 1, characterized in that: The lower end of the flotation box (1) is fixedly connected to a bracket (33), and the lower end of the bracket (33) is symmetrically fixedly mounted with a plurality of supporting legs.

9. A method for flotation of seaweed-attached microorganisms, characterized in that: The steps include: Step 1: pre-treating the seaweed sample to remove impurities and separate microorganisms attached to the seaweed; Step 2: placing the microorganisms separated in step 1 into a specific culture medium for culturing to increase their quantity and activity; Step 3, mixing the microorganisms cultured in step 2 with the prepared flotation agent to form a microbial flotation solution; Step 4: adding the seaweed sample to the flotation solution in step 3, and stirring sufficiently to allow the microorganisms to react with the surface of the seaweed; Step 5: Use flotation equipment to separate seaweed from other substances, thereby achieving flotation of microorganisms attached to seaweed.

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