CN110839588A - Oxygen-increasing machine for fish pond on mud flat - Google Patents

Abstract

The invention provides an aerator for a tidal flat fish pond. The center of the bottom of the fish pond is provided with a base, the outer edge of the cylindrical surface of the base is provided with a plurality of bottom water inlets, a riser and a tray are arranged above the base, and the bottom end of the riser is connected to the bottom of the base. The base is connected and the inner cavities of the two are connected. The top of the riser is connected to the tray through bearings. The upper and lower baffles are disc zigzag in plan view. There are two upper and lower axle seats and two upper and lower rockers. The two rockers, the inner side of the side barrel and the outer side of the inner barrel form a parallelogram structure. The base and the riser form the fixed bracket part. The box and the top box constitute the movable swivel part, and the side barrel, the rocker, the first duct, the intake shunt, the gas cylinder, the one-way door, the top box, the second duct, the air outlet shunt and the inner tube constitute the wave energy power part. The top photovoltaic panel, the side photovoltaic panel and the battery constitute the solar power part.

Description

Beach fish pond aerator

technical field

The invention relates to a pond aerator, in particular to a tidal flat fish pond aerator, and belongs to the technical field of tidal flat culture.

Background technique

Aerators are commonly used equipment in aquaculture. At present, the main aerators are: 1. A semi-submersible aerator that floats on the water and sprays water around it, that is, a surface spray aerator, which can be used in large-area aquaculture ponds in the wild. 2. Insert one end of the leather tube into the water, and the other end of the leather tube is connected to the oxygenation device of the oxygenation pump, that is, the deep submersible aerator, which can be used for oxygenation of small indoor fish tanks; 3. Solar energy and wind energy Complementary aerators; 4. Aerators for power generation by ocean waves; 5. Aerators remotely controlled through the Internet; the above aerators have their own characteristics. Due to the remote location of the tidal flat, some oxygenation methods are inconvenient, especially my country has a long coastline and a vast area of tidal flats. Many newly developed tidal flat breeding ponds have no power supply and no network. In this case, they can only rely on aerators powered by solar energy or wind energy, and the aerators remotely controlled by the Internet cannot be realized. However, some of the existing solar or wind aerators are bulky, some are not beautiful in appearance, some have high investment costs, and have complex system structures.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a tidal flat fish pond aerator which has a beautiful appearance without additional electric power supply, is green and environmentally friendly, saves energy, and utilizes solar energy and wave energy to complement each other.

The technical problem to be solved by the present invention is achieved through the following technical solutions: the aerator is composed of a side barrel (1), a first conduit (2), a side photovoltaic panel (3), a shaft seat (4), a shaft pin (5), rocker (6), one-way door (7), air filter (8), battery (9), motor (10), circuit board (11), top photovoltaic panel (12), water supply Hole (13), upper partition (14), air cylinder (15), piston (16), upper water inlet (17), lower partition (18), drawer (19), inner tube (20), curved filter ( 21), the second conduit (22), the lower water passage hole (23), the upper pump blade (24), the pump shaft (25), the lower pump blade (26), the plane filter (27), the intake manifold (28) ), outer tube (29), outer tube detail (30), interlayer (31), nozzle (32), chute (33), slider (34), water roller (35), inner barrel (36), Bearing (37), air outlet shunt (38), tee (39), top box (40), bottom box (41), tray (42), riser (43), base (44), bottom water inlet ( 45) and handle (46).

The base (44) and the riser (43) constitute the fixed bracket part, and the tray (42), the lower partition (18), the upper partition (14), the bottom box (41) and the top box (40) constitute the movable rotating part .

A base (44) is arranged in the center of the bottom of the fish pond, a plurality of bottom water inlets (45) are arranged on the outer edge of the cylindrical surface part of the base (44), and a riser (43) and a tray (42) are arranged above the base (44), The bottom end of the standpipe (43) is connected with the base (44) and the inner cavities of the two are communicated, the top of the standpipe (43) is connected with the tray (42) through the bearing (37), the upper partition (14) and the lower partition ( 18) Both are disc zigzag in plan view, the bottom of the inner barrel (36) is communicated with the top of the standpipe (43), the outer side of the inner barrel (36) and the inner side of the side barrel (1) are provided with two upper and lower axle seats (4) and the upper and lower shaft seats (4). The two rockers (6), the two rockers (6), the inner side of the side barrel (1) and the outer side of the inner barrel (36) form a parallelogram structure.

An annular air intake shunt pipe (28) is provided below the first conduit (2), and an annular air outlet shunt (38) is provided below the second conduit (22), and the outlet of the intake air shunt (28) passes through a tee ( 39) is connected with the bottom end of the air cylinder (15), the outlet of the air outlet shunt pipe (38) is respectively connected with one end of the inner pipe (20) through the tee (39), and the other end of the inner pipe (20), that is, the outer side of the outlet end is covered with The outer tube (29), the part of the outer tube (29) close to the outlet end of the inner tube (20) is set as the outer tube detail (30), the outer tube (29) and the outer tube detail (30) form an elbow, and the inner tube in the elbow The tube (20) is bent into an L shape and the outlet end of the inner tube (20) is 1 cm deeper than the outlet end of the outer tube detail (30), the inner side of the outer tube (29) and the outer tube detail (30) and the outer side of the inner tube (20) An interlayer (31) is formed therebetween.

Several upper water passage holes (13) are arranged on the inner wall of the inner barrel (36) between the upper partition plate (14) and the lower partition plate (18), and several upper water passage holes (13) are arranged on the inner wall of the inner barrel (36) below the lower partition plate (18). The lower water passage hole (23), the inner barrel (36) between the upper water passage hole (13) and the lower water passage hole (23) is provided with an upper pump blade (24), and the inner barrel below the lower water passage hole (23) is provided with an upper pump blade (24). (36) is provided with a lower pump blade (26), the upper pump blade (24) and the lower pump blade (26) have opposite directions of blade bending, and both the upper pump blade (24) and the lower pump blade (26) pass through the pump shaft ( 25) Connected to the motor (10), the upper pump blade (24) and the waist of the inner barrel (36) constitute an upper suction pump, the lower pump blade (26) and the bottom of the inner barrel (36) constitute a lower suction pump, and the side barrel, rocker, A duct, an air intake shunt, a gas cylinder, a one-way door, a top box, a second duct, an air outlet shunt and an inner tube constitute the wave energy power part, and the top photovoltaic panel, the side photovoltaic panel and the battery constitute the solar power part.

When the weather is fine and there is no wind or waves on the pool surface, the side photovoltaic panels (3) and the top photovoltaic panels (12) absorb solar energy and power the motor (10) to work and charge the battery (9), and the motor (10) passes through the pump shaft ( 25) Drive the upper pump blade (24) and the lower pump blade (26) to rotate, and the water and air on the pool surface pass through the upper water inlet (17), the water roller (35), the upper water hole (13), and the inner barrel (36) in turn. The waist, the upper pump blade (24) and the lower water passage hole (23) enter the bottom box (41), and the bottom water body passes through the bottom water inlet (45), the base (44), the riser (43), and the inner barrel (36) in sequence. The bottom, the lower pump blade (26) and the lower water passage hole (23) enter the bottom box (41); driven by the upper pump blade (24) and the lower pump blade (26), the bottom box (41) is mixed with air The pool water is sprayed out from the nozzle (32) through the interlayer (31) to oxygenate the fish pond. The reaction force of the spray water pushes the upper half of the machine to rotate as a whole. At the same time, the water and air on the pool surface are rolled up. The water wheel (35) is rolled into the machine, and the water body at the bottom of the pool is sucked into the machine by the lower pump blade (26). The energy of the machine comes from solar energy, and the motor (10), the upper pump blade (24) and the lower pump blade (26) push the machine to work cyclically.

When there is no sunlight on cloudy and rainy days and there are waves on the pool surface, the side barrel (1) moves up and down under the action of the waves, and the wave energy passes through the side barrel (1), rocker (6), chute (33), and slider (34) in turn. ) pushes the piston (16) back and forth with the transmission rod on its slider (34), the compressed gas generated by the gas cylinder (15) is pressed into the top box (40) through the one-way door (7), and the top box (40) The compressed gas is ejected from the nozzle (32) through the second conduit (22), the air outlet shunt (38), the tee (39) and the inner pipe (20) in turn, and the airflow drives the pool water in the bottom box (41). Through the interlayer (31), it is sprayed together from the nozzle (32), and at the same time, the reaction force of the jet and the water pushes the upper half of the machine to rotate as a whole, and the water and air on the pool surface are rolled into the water wheel (35). The machine enters the inner barrel (36), the water flow in the inner barrel (36) drives the upper pump blade (24) to rotate and drives the lower pump blade (26) to rotate together through the pump shaft (25), and the lower pump blade (26) pushes the bottom of the tank The pool water is sucked into the machine, and the reaction force of air jet and water spray keeps the machine continuously rotating, so that the machine continuously completes the circulation process of pool water inflow, filtration, water output and oxygenation, so as to achieve the purpose of pool water purification. The energy of the machine comes from wave energy, and the side barrel (1), the air cylinder (15), the top box (40) and the nozzle (32) push the machine to work cyclically.

Due to the adoption of the above technical solutions, the advantages and positive effects of the present invention are as follows: the aerator does not require additional power supply, is green and environmentally friendly, saves energy, utilizes solar energy and wave energy to complement each other, and has a beautiful appearance. Therefore, the oxygen-enhancing effect is better than that of the water spray type.

Description of drawings

The present invention has the following 13 accompanying drawings:

Fig. 1 is a schematic diagram of the whole machine, Fig. 2 is a front view of the upper half of the machine, Fig. 3 is a sectional view of the front view of the upper half of the machine, Fig. 4 is an enlarged view of the nozzle part of the machine, Fig. Figure 6 is a sectional view when the machine side barrel is at the top, Figure 6 is a sectional view when the machine side barrel is in the middle, Figure 7 is a sectional view when the machine side barrel is at the bottom, Figure 8 is a top view of the machine, and Figure 9 is a top view of the machine Sectional view, Figure 10 is the bottom view of the machine, Figure 11 is the bottom view of the air inlet shunt pipe of the machine, Figure 12 is the bottom view of the air outlet shunt and nozzle of the machine, Figure 13 is the plane filter and arc surface of the machine drawer Schematic diagram of filtration.

The numbers marked in the accompanying drawings are represented as follows:

1. Side barrel, 2. First conduit, 3. Side photovoltaic panel, 4. Shaft seat, 5. Shaft pin, 6. Rocker, 7. One-way door, 8. Air filter, 9. Battery, 10. Motor , 11. Circuit board, 12. Top photovoltaic panel, 13. Upper water hole, 14. Upper partition, 15. Air cylinder, 16. Piston, 17. Upper water inlet, 18. Lower partition, 19. Drawer, 20 .Inner tube, 21. Curved filter, 22. Second conduit, 23. Lower water hole, 24. Upper pump blade, 25. Pump shaft, 26. Lower pump blade, 27. Flat filter, 28. Air intake split Tube, 29. Outer tube, 30. Outer tube detail, 31. Interlayer, 32. Nozzle, 33. Chute, 34. Slider, 35. Water roller, 36. Inner barrel, 37. Bearing, 38. Outlet shunt Tube, 39. Tee, 40. Top box, 41. Bottom box, 42. Tray, 43. Riser, 44. Base, 45. Bottom water inlet, 46. Handle.

Detailed ways

1. According to Figures 1 to 13, the aerator consists of a side barrel (1), a first conduit (2), a side photovoltaic panel (3), a shaft seat (4), a shaft pin (5), and a rocker (6). ), one-way door (7), air filter (8), battery (9), motor (10), circuit board (11), top photovoltaic panel (12), upper water hole (13), upper partition (14), air cylinder (15), piston (16), upper water inlet (17), lower partition (18), drawer (19), inner pipe (20), curved filter (21), second conduit (22) ), the lower water hole (23), the upper pump blade (24), the pump shaft (25), the lower pump blade (26), the plane filter (27), the intake manifold (28), the outer pipe (29), Outer tube detail (30), interlayer (31), nozzle (32), chute (33), slider (34), water roller (35), inner barrel (36), bearing (37), air outlet shunt (38), tee (39), top box (40), bottom box (41), tray (42), riser (43), base (44), bottom water inlet (45) and handle (46) .

2. The base (44) and the riser (43) constitute the fixed bracket part, and the tray (42), the lower partition (18), the upper partition (14), the bottom box (41) and the top box (40) constitute the movable rotating frame. body part.

3. There is a base (44) in the center of the bottom of the fish pond. The interior of the base (44) is a hollow structure and is composed of two parts: a round table surface and a cylindrical surface. 45), a riser (43) and a tray (42) are arranged above the base (44), the bottom end of the riser (43) is connected with the base (44) and the inner cavities of the two are communicated, and the top of the riser (43) passes through a bearing (37) is connected to the tray (42), and above the tray (42) are provided six bottom boxes (41) with rounded sectors, six top boxes (40) with six rounded sectors, and six top boxes (40) After being assembled, the projection on the front view is a rounded truncated truncated cone, and there is a space between the sides of the adjacent top boxes (40). For the gas storage tank, after the six bottom boxes (41) are assembled, the projection on the front view is a rounded cylindrical shape and there is also a space between the sides of the adjacent bottom boxes (41). Side photovoltaic panels (3) are provided on the sides, and a top photovoltaic panel (12) is provided on the top surfaces of the six top boxes (40).

4. The six bottom boxes (41) are provided with drawers (19), the drawers (19) are provided with arc filters (21), the bottoms of the drawers (19) are set as flat filters (27), and the outside of the drawers (19) A handle (46) is provided, an upper partition (14), a lower partition (18) and a water reel (35) are arranged between the top box (40) and the bottom box (41), the upper partition (14) and the The lower clapboard (18) is arranged horizontally, the upper clapboard (14) and the lower clapboard (18) are both disc zigzag in plan view, and the water roller (35) is sandwiched between the upper clapboard (14) and the lower clapboard (18). Between the partitions (18), the water reel (35) is composed of 6 arc-shaped blades, the outer ends of each blade are set as notches, and each notches are respectively connected with the upper partition (14) and the lower partition The corresponding notches on the (18) are aligned, and hollow side barrels (1) are arranged in the notches. The appearance of the side barrels (1) is a rounded triangular column. The outer side of the enclosed part with the water reel (35) is the upper water inlet (17), and the bottom surface of the bottom box (41) is connected with the top surface of the tray (42).

5. An inner barrel (36) is arranged in the center of the upper clapboard (14) and the lower clapboard (18), the bottom of the inner barrel (36) is communicated with the top of the standpipe (43), the outer side of the inner barrel (36) and the six side barrels (1 ) are provided with two upper and lower axle seats (4) and two upper and lower rockers (6). One end of the rocker (6) is embedded in the space and can be shaken within the space. The inner side of the side barrel (1) and the outer side of the inner barrel (36) are connected to form a parallelogram structure through the shaft seat (4) and the shaft pin (5). (33) is provided with a slider (34), the middle of each blade of the water reel (35) is provided with an air cylinder (15), and the piston (16) in it is connected with the top surface of the slider (34) through a transmission rod, The top of the gas cylinder (15) is provided with a one-way door (7).

6. A gas cylinder (15) is provided with a first conduit (2), another gas cylinder (15) is provided with a second conduit (22), and an annular air intake shunt (28) is provided below the first conduit (2). ), the second conduit (22) is provided with an annular air outlet shunt pipe (38) below, and the 6 outlets of the air intake shunt pipe (28) are respectively connected with the bottom ends of the 6 air cylinders (15) through the tee (39), The six outlets of the air outlet shunt pipe (38) are respectively connected with one end of the six inner pipes (20) through the tee (39), and the other end of the inner pipe (20), that is, the outside of the outlet end, is covered with an outer pipe (29), and the outer pipe is covered with an outer pipe (29). (29) The part close to the outlet end of the inner tube (20) is set as the outer tube detail (30), the outer tube (29) and the outer tube detail (30) form an elbow, and the inner tube (20) in the elbow is bent into an L shape And the outlet end of the inner pipe (20) is 1 cm deeper than the outlet end of the outer pipe detail (30), and an interlayer (31) is formed between the inner side of the outer pipe (29) and the outer pipe detail (30) and the outer side of the inner pipe (20), The outer tube detail (30) and its inner inner tube (20) form a nozzle (32), and the nozzle (32) is oriented along the tangential direction of the arc surface of the bottom box (41).

7. A battery (9), a motor (10) and a circuit board (11) are arranged above the upper partition (14) and in the inner barrel (36), and the inner barrel is located between the upper partition (14) and the lower partition (18). The inner wall of (36) is provided with a number of upper water holes (13), and the inner wall of the inner barrel (36) below the lower partition plate (18) is provided with a number of lower water holes (23). An upper pump blade (24) is arranged in the inner barrel (36) between the lower water passage holes (23), and a lower pump blade (26) is arranged in the inner barrel (36) below the lower water passage hole (23). (24) Opposite to the bending direction of the blades of the lower pump blade (26), the upper pump blade (24) and the lower pump blade (26) are both connected to the motor (10) through the pump shaft (25), and the upper pump blade (24) and the The waist of the inner barrel (36) constitutes an upper suction pump, and the lower pump blades (26) and the bottom of the inner barrel (36) constitute a lower suction pump.

8. Side barrel (1), rocker (6), first conduit (2), intake shunt (28), air cylinder (15), one-way door (7), top box (40), second conduit (22), the air outlet shunt pipe (38) and the inner pipe (20) constitute the wave energy power part, and the top photovoltaic panel (12), the side photovoltaic panels (3) and the battery (9) constitute the solar power part.

9. When the weather is fine and there is no wind or waves on the pool surface, the side photovoltaic panels (3) and the top photovoltaic panels (12) absorb solar energy, and the converted electric energy supplies the motor (10) to work and charge the battery (9), and the motor ( 10) The upper pump blade (24) and the lower pump blade (26) are driven to rotate by the pump shaft (25), and the water and air on the pool surface pass through the upper water inlet (17), the water roller (35), and the upper water hole (13) in turn. ), the waist of the inner barrel (36), the upper pump blade (24) and the lower water hole (23) enter the bottom box (41), and the bottom box (41) is filled with pool water mixed with air; the water body at the bottom of the pool passes through the bottom water inlet ( 45), the base (44), the riser (43), the bottom of the inner barrel (36), the lower pump blade (26) and the lower water hole (23) enter the bottom box (41), and the pool water is filtered on the curved surface (21) and The plane filter (27) is filtered; driven by the upper pump blade (24) and the lower pump blade (26), the pool water mixed with air in the bottom box (41) passes through the interlayer (31) from the nozzle (32) The water is sprayed out to add oxygen to the fish pond, and the reaction force of the water spray pushes the upper half of the machine to rotate as a whole. The lower pump blade (26) is sucked into the machine. At this point, the machine has completed the cycle process of water inflow, filtration, water output and oxygenation of the pool water. The pump vane (24) and the lower pump vane (26) push the machine to work cyclically.

10. When there is no sunlight and there are waves on the pool surface in cloudy and rainy days, the battery (9) does not supply power to the motor (10), and the six side barrels (1) on the upper half of the machine move up and down under the action of the waves, and the waves can pass through in turn The side barrel (1), rocker (6), chute (33), slider (34) push the piston (16) back and forth with the transmission rod on the slider (34), and the compressed gas generated by the gas cylinder (15) Pressed into the top box (40) through the one-way door (7), the compressed gas in the top box (40) passes through the second conduit (22), the gas outlet branch pipe (38), the tee (39) and the inner pipe ( 20) It is sprayed from the nozzle (32), while the nozzle (32) is sprayed, the air flow drives the pool water in the bottom box (41) to be sprayed together from the nozzle (32) through the interlayer (31). , the reaction force of the air jet and the water spray pushes the upper half of the machine to rotate as a whole, the water and air on the pool surface are rolled into the machine by the water roller (35) and into the inner barrel (36), and the water flow in the inner barrel (36) drives the upper pump The blade (24) rotates and drives the lower pump blade (26) to rotate together through the pump shaft (25). The machine continuously completes the circulation process of pool water inflow, filtration, water output and oxygenation, so as to achieve the purpose of pool water purification. In this process, the machine's energy comes from wave energy. The top box (40) and the nozzle (32) push the machine to work cyclically.

11. When there is no sunlight and there are no waves on the pool surface, the battery (9) supplies power to the motor (10). At this time, the energy for the operation of the machine comes from the battery (9), the motor (10), the upper pump blade (24) and the lower pump. The pump blade (26) drives the machine to work cyclically. The charging of the battery (9) only relies on the solar energy, not the wave energy. The wave energy can only rely on its mechanical energy to drive the machine to work, and the wave energy of the machine does not participate in the power generation. Large wave energy, this machine is only suitable for installation in aquaculture ponds with large water surface area.

12. The circuit board (11) includes a light intensity sensor, a vibration sensor, an amplifier circuit and a control circuit to control the working state of the battery (9) and the motor (10). During installation, the upper part of the machine is in a semi-floating state , that is, the water surface is located between the upper clapboard (14) and the lower clapboard (18), the mesh of the curved filter (21) is larger, and it is used to filter out the debris with larger quality, and the mesh of the flat filter (27) The holes are small and are used to filter out impurities of small quality. After the machine is used for a period of time, the drawer (19) needs to be taken out regularly to remove the sundries or impurities on the curved filter (21) and the curved filter (21).

Claims (3)

1. An aerator for a mudflat fish pond comprises a side barrel (1), a first guide pipe (2), a side photovoltaic plate (3), a shaft seat (4), a shaft pin (5), a rocker (6), a one-way door (7), an air filter (8), a storage battery (9), a motor (10), a circuit board (11), a top photovoltaic plate (12), an upper water through hole (13), an upper clapboard (14), an air cylinder (15), a piston (16), an upper water inlet (17), a lower clapboard (18), a drawer (19), an inner pipe (20), an arc filter (21), a second guide pipe (22), a lower water through hole (23), an upper pump blade (24), a pump shaft (25), a lower pump blade (26), a plane filter (27), an air inlet shunt pipe (28), an outer pipe (29), an outer pipe detail (30), an interlayer (31), a nozzle (32), a chute (33), a sliding block (34), a water rolling wheel (35), an inner barrel (36), The device comprises a bearing (37), an air outlet shunt pipe (38), a tee joint (39), a top box (40), a bottom box (41), a tray (42), a vertical pipe (43), a base (44), a bottom water inlet (45) and a handle (46);

the base (44) and the vertical pipe (43) form a fixed support part, the tray (42), the lower partition plate (18), the upper partition plate (14), the bottom box (41) and the top box (40) form a movable swivel part, the side barrel, the rocker, the first guide pipe, the air inlet shunt pipe, the air cylinder, the one-way door, the top box, the second guide pipe, the air outlet shunt pipe and the inner pipe form a wave energy power part, and the top photovoltaic panel, the side photovoltaic panel and the storage battery form a solar power part;

the method is characterized in that: the center of the bottom of the fishpond is provided with a base (44), the outer edge of the base (44) is provided with a plurality of bottom water inlets (45), a vertical pipe (43) and a tray (42) are arranged above the base (44), the bottom end of the vertical pipe (43) is connected with the base (44), the inner cavities of the vertical pipe and the base are communicated, the top of the vertical pipe (43) is connected with the tray (42) through a bearing (37), the upper partition plate (14) and the lower partition plate (18) are both in a disc sawtooth shape in a plan view, the bottom of the inner barrel (36) is communicated with the top of the vertical pipe (43), the outer side of the inner barrel (36) and the inner side of the side barrel (1) are provided with an upper shaft seat (4), a lower shaft seat (4) and an upper rocker (6), and;

when the weather is fine and the pool surface is free of waves, the side photovoltaic panels (3) and the top photovoltaic panels (12) absorb solar power supply machines (10) to work, the pump shafts (25) drive the upper pump blades (24) and the lower pump blades (26) to rotate, water and air on the pool surface sequentially pass through the upper water inlet (17), the water rolling wheel (35), the upper water passing hole (13), the waist of the inner barrel (36), the upper pump blades (24) and the lower water passing hole (23) and enter the bottom box (41), water on the pool bottom sequentially passes through the bottom water inlet (45), the base (44), the vertical pipe (43), the bottom of the inner barrel (36), the lower pump blades (26) and the lower water passing hole (23) and enters the bottom box (41), and pool water mixed with air in the bottom box (41) is sprayed out of the spray nozzle (32) through the interlayer (31) under the pushing of the upper pump blades (24) and the lower pump blades (26);

when no sunlight exists in rainy days and waves exist on the surface of the pool, the side barrel (1) moves up and down under the action of the waves, the waves push the piston (16) to work back and forth through the side barrel (1), the rocker (6), the sliding groove (33) and the sliding block (34) through a transmission rod on the sliding block (34), compressed gas generated by the gas cylinder (15) is pressed into the top box (40) through the one-way door (7), the compressed gas in the top box (40) is sprayed out from the nozzle (32) through the second conduit (22), the gas outlet shunt pipe (38), the tee joint (39) and the inner pipe (20), and the gas flow drives pool water in the box to be sprayed out from the nozzle (32) through the interlayer (31).

2. The mudflat fish pond aerator as claimed in claim 1, wherein: an annular air inlet shunt pipe (28) is arranged below the first guide pipe (2), an annular air outlet shunt pipe (38) is arranged below the second guide pipe (22), the outlet of the air inlet shunt pipe (28) is connected with the bottom end of the air cylinder (15) through a tee joint (39), and the outlet of the air outlet shunt pipe (38) is connected with one end of the inner pipe (20) through a tee joint (39) respectively.

3. The mudflat fish pond aerator as claimed in claim 1, wherein: the inner wall of an inner barrel (36) between an upper partition plate (14) and a lower partition plate (18) is provided with a plurality of upper water passing holes (13), the inner wall of the inner barrel (36) below the lower partition plate (18) is provided with a plurality of lower water passing holes (23), upper pump blades (24) are arranged in the inner barrel (36) between the upper water passing holes (13) and the lower water passing holes (23), lower pump blades (26) are arranged in the inner barrel (36) below the lower water passing holes (23), the bending directions of the upper pump blades (24) and the lower pump blades (26) are opposite, the upper pump blades (24) and the lower pump blades (26) are connected with a motor (10) through pump shafts (25), the waist parts of the upper pump blades (24) and the inner barrel (36) form an upper water suction pump, and the bottoms of the lower pump blades (26) and the inner barrel (36).

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