CN114847221A

CN114847221A - Water environment purification device for fry breeding

Info

Publication number: CN114847221A
Application number: CN202210620233.6A
Authority: CN
Inventors: 徐有波; 许传堂; 于盟盟; 王贵芝; 于为民; 汉景明; 牟丹丹
Original assignee: Rizhao Marine And Fishery Research Institute Rizhao Sea Area Use Dynamic Monitoring Center Rizhao Aquatic Wildlife Rescue Station
Current assignee: Rizhao Marine And Fishery Research Institute Rizhao Sea Area Use Dynamic Monitoring Center Rizhao Aquatic Wildlife Rescue Station
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-08-05
Anticipated expiration: 2042-06-02
Also published as: CN114847221B

Abstract

The invention provides a water environment purification device for fry breeding, which relates to the technical field of water body purification and comprises the following components: the main body of the main buoyancy tank is of a square structure, and a circular hole penetrating through the upper part and the lower part is formed in the middle of the main buoyancy tank; the main frame is fixedly arranged at the tops of two sides of the main buoyancy tank; two groups of side brackets are fixedly arranged on two sides of the main frame; according to the counterweight seat disclosed by the embodiment of the invention, a continuous extraction and absorption function of fixed-point input is provided, water enters from the ball head filter screen, passes through the rotating rod and the hexagonal swing pipe, enters the eccentric transmission bin from the water through hole, passes through the connecting bent pipe, is conveyed downwards, and then passes through the steel wire hose, and is conveyed upwards, in the process, the water flow drives the impeller to rotate, the impeller drives the hollow shaft to rotate, so that the counterweight seat can be protected, the ball head filter screen is prevented from being blocked, and the problem of insufficient circulating force of filtering of the existing filtering device is solved.

Description

Water environment purification device for fry breeding

Technical Field

The invention relates to the technical field of water purification, in particular to a water environment purification device for fry breeding.

Background

The water environment for fry culture deteriorates along with time, the impurities are increased, and the pollutants are increased, so that the water environment is influenced. Meanwhile, the water for fry breeding also contains certain impurities, if the water quality for fry breeding is not cleared up for a long time due to the influence of the impurities, the water quality for fry breeding is deteriorated, the quality of the fry is further influenced, and a filter or a water purifying device is required to be utilized for circular processing.

The filter equipment who uses now mainly filters for the extraction formula, needs carry out centralized processing on the water limit, and filterable circulation dynamics is not enough, also is convenient for fixed point water intaking in the water environment simultaneously, lacks the structure that lasts the clearance protection to the position of drawing water.

Disclosure of Invention

In view of this, the invention provides a water environment purification device for fry breeding, which has a main buoyancy tank and a circular buoyancy seat, provides a floating function, can continuously float the drainage position on the water surface, can naturally rise and fall along with the water level, and has strong self-adaptive capacity.

The invention provides a water environment purification device for fry breeding, which specifically comprises: the main body of the main buoyancy tank is of a square structure, and a circular hole penetrating through the upper part and the lower part is formed in the middle of the main buoyancy tank; the main frame is fixedly arranged at the tops of two sides of the main buoyancy tank; two groups of side brackets are fixedly arranged on two sides of the main frame; the top of the semicircular chute is fixedly provided with two groups of guide rods A, and the guide rods A are arranged in the main frame in a sliding manner; the motor is fixedly arranged outside the group of side brackets; the driven shaft is rotatably arranged above the side bracket which is in the same group with the motor, and the driven shaft is meshed with the motor rotating shaft through a gear; the circular floating seats are fixedly arranged on the side of the main floating box in a matching way with the bracket, and the number of the circular floating seats is four; the steel wire hose is connected and arranged in the middle of the bottom of the main buoyancy tank; the balance weight seat is fixedly provided with an eccentric transmission bin at the top, and one side of the eccentric transmission bin is connected to the outside of the steel wire hose; and the proximity switch is fixedly arranged at the top of the inner side of the main frame.

Optionally, the main buoyancy tank comprises: the connecting frame is fixedly arranged on one side of the main floating box, the guide frame is arranged at the outer end of the connecting frame in a sliding manner and is vertically arranged, and a fixed rod is fixedly arranged at one end of the guide frame; the top of the fixing seat is fixedly provided with a sliding frame, and the fixing rod is slidably arranged in the sliding frame and is fixedly connected through a pin.

Optionally, the main buoyancy tank further comprises: the filtering net cover is fixedly arranged on the side of the top of the main buoyancy tank; the middle of the top of the main buoyancy tank is integrally provided with the platform pipe, the top of the platform pipe is welded with a piston cylinder, and the bottom of the piston cylinder is provided with drain holes in a surrounding manner; a limiting plate is arranged outside the table pipe in a sliding mode, a spring is arranged at the bottom of the limiting plate, and the top of the limiting plate can be attached to the drain hole; the bottom middle pile is integrally arranged in the middle of the bottom of the main floating box, the side of the bottom middle pile is of a cambered surface structure, and the circle center of the cambered surface structure is aligned with the circle center of the circular floating seat; two groups of electrolysis electrodes are fixedly arranged on the inner wall of the piston cylinder.

Optionally, the semicircular chute further comprises: the cambered surface of the semicircular sliding groove faces downwards, the piston rod is fixedly arranged in the middle of the bottom end of the semicircular sliding groove, the bottom end of the piston rod is a piston piece, and the piston piece can be inserted into a middle round hole of the main buoyancy tank; the piston plate is arranged outside the piston rod in a sliding manner and is arranged in the piston cylinder in a sliding manner; the contact base is fixedly arranged on one side of the top of the piston plate, two groups of guide rods B are fixedly arranged on the top of the contact base, and the guide rods B are connected with the main frame in a sliding mode.

Optionally, the motor includes: the swing rod is fixedly arranged at the shaft end of the motor, a sliding rod is fixedly arranged on one side of the swing rod, and the sliding rod is arranged in the semicircular sliding groove in a sliding mode.

Optionally, the circular floating seat comprises: the top of the circular floating seat is fixedly provided with a closed cylinder, connecting shafts are rotatably arranged in two adjacent groups of closed cylinders, and the adjacent connecting shafts are in transmission connection with bevel gears; the middle of the circular floating seat is provided with a through hole, the through hole is matched with a waterproof bearing to be rotatably provided with a middle shaft, the bottom of each middle shaft is fixedly provided with a rotating fin, the top of the side of each rotating fin is provided with a brush, and the side of each rotating fin is attached to the side of the middle pile at the bottom; the top end of the middle shaft on one side extends upwards and is in transmission connection with the bevel gear arranged on the driven shaft.

Optionally, the counterweight seat further includes: the middle of the eccentric transmission bin is fixedly provided with a partition plate in a sealing way, and the middle of the eccentric transmission bin and the partition plate is rotatably provided with a hollow shaft; the water passing hole is formed outside the hollow shaft and is positioned in the eccentric transmission bin above the partition plate; the impeller is fixedly arranged outside the hollow shaft and is positioned in the eccentric transmission bin below the partition plate; the connecting bent pipe is arranged on one side of the eccentric transmission bin and communicates the upper part and the lower part of the partition plate in the eccentric transmission bin.

Optionally, the counterweight seat further includes: the hexagonal swing pipe is fixedly arranged at the top end of the hollow shaft, the rotating rod is fixedly arranged at the bottom end of the outer side of the hexagonal swing pipe, and the ball head filter screen is fixedly arranged at the bottom of the rotating rod.

Advantageous effects

According to the counterweight seat disclosed by the embodiment of the invention, a continuous extraction and absorption function of fixed-point input is provided, water can be conveniently sucked at fixed points in a water environment, water enters from the ball head filter screen through pumping, passes through the rotating rod and the hexagonal swing pipe, enters the eccentric transmission bin from the water through hole, passes through the connecting bent pipe, is conveyed downwards, and then passes through the steel wire hose to be conveyed upwards, in the process, water flow drives the impeller to rotate, the impeller drives the hollow shaft to rotate, the counterweight seat can be protected, and the ball head filter screen can be prevented from being blocked.

In addition, the arrangement of the semicircular chutes provides a stable continuous extraction and stable filtration function, firstly, the semicircular chutes are pressed by the sliding rods, the piston rods are descended and inserted into the middle round holes of the main floating box for plugging, then the swing rods contact the contact seats to press the piston plates downwards, so that water in the piston cylinders is discharged through the water discharge holes, the limiting plates play a role of one-way valves, the water is discharged to the top of the main floating box, passes through the filter screen cover and then is discharged and flows back to the water, impurities are intercepted, meanwhile, bubbles are generated to add oxygen to the water, the swing rods can trigger the proximity switches when rising to the highest position, and the proximity switches are used for connecting the two groups of electrolysis electrodes to start electrolysis; the piston plate is lifted up to direct utilization piston rod when semicircle spout upwards promotes, draws water, and the stability of continuous extraction is strong, and the filtration mode of drawing water through the circulation has increased the filtration dynamics to draw water from the low-lying department of water and can draw the circulation to most sewage.

In addition, rotating fin's setting, the structure of continuous clearance protection is provided, the in-process purifier's that can guarantee to purify outside does not receive aquatic thing to influence, it is rotatory to drive the driven shaft when the motor is rotatory, it is rotatory that the driven shaft passes through bevel gear drive jackshaft, four group's jackshaft cooperation connecting axles synchronous revolution, utilize four group's rotating fin to last rotatory bottom to main flotation tank to last the clearance brush, and drive away aquatic thing, utilize the bull stick to last the swing to drive away aquatic thing, avoid aquatic thing to lead to mechanical failure attached to the outward appearance of main flotation tank and circular floating seat.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.

The drawings in the following description relate to some embodiments of the invention only and are not intended to limit the invention.

In the drawings:

FIG. 1 shows a schematic perspective view of an embodiment according to the invention;

FIG. 2 shows a schematic diagram of an axonometric configuration according to an embodiment of the invention;

FIG. 3 shows a partial perspective view of an embodiment in accordance with the invention;

FIG. 4 shows a partial cross-sectional structural schematic according to an embodiment of the invention;

FIG. 5 shows a schematic side-bottom view of a main pontoon according to an embodiment of the invention;

FIG. 6 is a schematic sectional view showing a water pumping state of a main buoyancy tank according to an embodiment of the present invention;

FIG. 7 is a sectional view schematically showing a drainage state of a main pontoon according to an embodiment of the invention;

FIG. 8 illustrates a schematic diagram of the operation of a semicircular chute according to an embodiment of the present invention;

fig. 9 is a perspective view of a weight seat according to an embodiment of the present invention.

List of reference numerals

1. A main buoyancy tank; 101. a connecting frame; 102. a guide frame; 103. fixing the rod; 104. a fixed seat; 105. a sliding frame; 106. a filtering net cover; 107. a bench pipe; 108. a piston cylinder; 109. a drain hole; 110. a bottom middle pile; 111. an electrolysis electrode; 2. a limiting plate; 3. a main frame; 301. a side bracket; 4. a semicircular chute; 401. a guide rod A; 402. a piston rod; 403. a piston plate; 404. a contact base; 405. a guide rod B; 5. a motor; 501. a swing rod; 502. a slide bar; 6. a driven shaft; 7. a circular floating seat; 701. a closed cartridge; 702. a connecting shaft; 703. an intermediate shaft; 704. rotating the fins; 8. a steel wire hose; 9. a counterweight seat; 901. an eccentric transmission bin; 902. a partition plate; 903. a hollow shaft; 904. water passing holes; 905. an impeller; 906. connecting a bent pipe; 907. a hexagonal swing pipe; 908. a rotating rod; 909. a ball head filter screen; 10. a proximity switch.

Detailed Description

In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference symbols in the various drawings indicate like elements.

Example (b): please refer to fig. 1 to fig. 9:

the invention provides a water environment purification device for fry breeding, which comprises: the main buoyancy tank 1 is of a square structure, and a circular hole penetrating through the upper part and the lower part is formed in the middle of the main buoyancy tank 1; the main frame 3 is fixedly arranged at the tops of two sides of the main buoyancy tank 1; two groups of side brackets 301 are fixedly arranged on two sides of the main frame 3; the top of the semicircular chute 4 is fixedly provided with two groups of guide rods A401, and the guide rods A401 are arranged in the main frame 3 in a sliding manner; the motor 5 is fixedly arranged outside the group of side brackets 301; the driven shaft 6 is rotatably arranged above the side bracket 301 which is in the same group with the motor 5, and the driven shaft 6 is meshed with a rotating shaft of the motor 5 through a gear; the circular floating seats 7 are fixedly arranged on the side of the main floating box 1 in a manner of matching with a support, and the number of the circular floating seats 7 is four; the steel wire hose 8 is connected and arranged in the middle of the bottom of the main buoyancy tank 1; the counterweight seat 9, the top of the counterweight seat 9 is fixedly provided with an eccentric transmission bin 901, and one side of the eccentric transmission bin 901 is connected with the outside of the steel wire hose 8; and the proximity switch 10 is fixedly arranged at the top of the inner side of the main frame 3, and the proximity switch 10 is fixedly arranged on the top of the inner side of the main frame 3.

Further, according to an embodiment of the present invention, referring to fig. 1-2, the main buoyancy tank 1 includes: the floating structure comprises a connecting frame 101, wherein the connecting frame 101 is fixedly arranged on one side of a main floating box 1, a guide frame 102 is arranged at the outer end of the connecting frame 101 in a sliding mode, the guide frame 102 is vertically arranged, and a fixing rod 103 is fixedly arranged at one end of the guide frame 102; the top of the fixed seat 104 is fixedly provided with a sliding frame 105, the fixed rod 103 is slidably arranged in the sliding frame 105 and is fixedly connected through a pin, and the position of the main buoyancy tank 1 can be fixed by the fixed rod 103.

Furthermore, according to an embodiment of the present invention, referring to fig. 6, the main buoyancy tank 1 further includes: the filtering net cover 106 is fixedly arranged on the top edge side of the main buoyancy tank 1; the platform pipe 107 is integrally arranged in the middle of the top of the main buoyancy tank 1, a piston cylinder 108 is welded to the top of the platform pipe 107, and a drain hole 109 is formed in the bottom of the piston cylinder 108 in a surrounding mode; a limiting plate 2 is arranged outside the platform pipe 107 in a sliding mode, a spring is arranged at the bottom of the limiting plate 2, and the top of the limiting plate 2 can be attached to the water drainage hole 109; the bottom middle pile 110 is integrally arranged in the middle of the bottom of the main buoyancy tank 1, the side of the bottom middle pile 110 is of a cambered surface structure, and the circle center of the cambered surface structure is aligned with the circle center of the circular buoyancy seat 7, so that convenience is brought to cleaning; two groups of electrolysis electrodes 111 are fixedly arranged on the inner wall of the piston cylinder 108.

In addition, according to the embodiment of the present invention, referring to fig. 6, the semicircular chute 4 further includes: the piston rod 402 is arranged, the arc surface of the semicircular chute 4 faces downwards, the piston rod 402 is fixedly arranged in the middle of the bottom end of the semicircular chute 4, the bottom end of the piston rod 402 is a piston piece, and the piston piece can be inserted into a middle round hole of the main buoyancy tank 1; a piston plate 403, the piston plate 403 is slidably disposed outside the piston rod 402, and the piston plate 403 is slidably disposed in the piston cylinder 108; a contact seat 404, wherein the contact seat 404 is fixedly arranged on one side of the top of the piston plate 403, two groups of guide rods B405 are fixedly arranged on the top of the contact seat 404, and the guide rods B405 are slidably connected with the main frame 3; the semicircular chutes 4 provide a driven effect, and can provide a mechanical movement effect.

Further, according to an embodiment of the present invention, referring to fig. 7, the motor 5 includes: the swing link 501 is fixedly arranged at the shaft end of the motor 5, a sliding rod 502 is fixedly arranged at one side of the swing link 501, and the sliding rod 502 is slidably arranged in the semicircular chute 4; the swing rod 501 rises to the highest position to trigger the proximity switch 10, and the proximity switch 10 is utilized to switch on the two groups of electrolysis electrodes 111 to start electrolysis.

Further, according to an embodiment of the present invention, referring to fig. 4, the circular floating seat 7 includes: the top of each closed cylinder 701 and the top of each circular floating seat 7 are fixedly provided with the closed cylinders 701, a connecting shaft 702 is rotatably arranged in each two adjacent groups of closed cylinders 701, and each adjacent connecting shaft 702 is in transmission connection with a bevel gear; the middle shaft 703 is provided with a through hole in the middle of the circular floating seat 7, the through hole is rotatably provided with the middle shaft 703 in a manner of being matched with a waterproof bearing, the bottoms of the middle shafts 703 are fixedly provided with rotating fins 704, the tops of the sides of the rotating fins 704 are provided with brushes, and the sides of the rotating fins 704 are attached to the sides of the middle pile 110 at the bottom; the top end of the intermediate shaft 703 on one side extends upwards and is in bevel gear transmission connection with the driven shaft 6, and the rotation of the driven shaft 6 can be used for driving the connecting shaft 702 and the intermediate shaft 703 to rotate simultaneously.

Further, according to an embodiment of the present invention, referring to fig. 8, the weight holder 9 further includes: the middle of the eccentric transmission bin 901 is fixedly provided with a partition 902 in a sealing way, and the middle of the eccentric transmission bin 901 and the partition 902 is provided with a hollow shaft 903 in a rotating way by matching with a waterproof bearing; a water through hole 904, wherein the water through hole 904 is formed outside the hollow shaft 903, and the water through hole 904 is positioned above the partition plate 902 and in the eccentric transmission bin 901; the impeller 905 is fixedly arranged outside the hollow shaft 903, and the impeller 905 is positioned in the eccentric transmission bin 901 below the partition 902; a connecting elbow 906 is arranged on one side of the eccentric transmission bin 901, and the connecting elbow 906 communicates the upper part and the lower part of the partition 902 in the eccentric transmission bin 901; the water-saving device comprises a hexagonal swing pipe 907, a hexagonal swing pipe 907 is fixedly arranged at the top end of the hollow shaft 903, a rotating rod 908 is fixedly arranged at the bottom end of the outer side of the hexagonal swing pipe 907, a ball-end filter screen 909 is fixedly arranged at the bottom of the rotating rod 908, water enters from the ball-end filter screen 909, passes through the rotating rod 908 and the hexagonal swing pipe 907, enters the eccentric transmission bin 901 from a water passing hole 904, passes through a connecting bent pipe 906 to be conveyed downwards, and then passes through a steel wire hose 8 to be conveyed upwards, water flow drives a movable impeller 905 to rotate in the process, the impeller 905 drives the hollow shaft 903 to rotate, and water creatures are driven away by the continuous swinging of the rotating rod 908.

The specific use mode and function of the embodiment are as follows: in the invention, when in use, the counterweight seat 9 is preset at a lower position or a hollow position at the bottom of the water, then the fixed seat 104 is fixedly installed, the position of the fixed rod 103 is adjusted and then fixed, and the main buoyancy tank 1 automatically floats on the water surface under the action of buoyancy;

a water pumping mode: starting a motor 5 to drive a swing rod 501 to rotate, the swing rod 501 is matched with a sliding rod 502 to slide in a semicircular chute 4 to realize up-and-down movement, when the swing rod 501 faces upwards, as shown in fig. 8, the swing rod 501 is continuously rotated, firstly, the sliding rod 502 is utilized to drive the semicircular chute 4 to descend, a piston rod 402 descends to be inserted into a middle round hole of a main buoyancy tank 1 to be plugged, as shown in fig. 7, the semicircular chute 4 is of a semicircular structure, when the sliding rod 502 slides in an upper side transverse groove part of the semicircular chute 4, the swing rod 501 has a descending effect in a self-circulation manner, so that the semicircular chute 4 descends, the middle of the upper side transverse groove part of the semicircular chute 4 is aligned with the circle center of the swing rod 501, when the swing rod 501 slides in an arc groove of the semicircular chute 4, the height of the semicircular chute 4 is unchanged, at the moment, the swing rod 501 is in contact with a contact seat 404 to press a piston plate 403 downwards to cause an extrusion effect, and the position of the piston rod 402 is unchanged, the barrier effect is achieved, so that water in the piston cylinder 108 can only be discharged through the water discharge hole 109, is discharged to the top of the main buoyancy tank 1, then passes through the filter screen 106 to be discharged, flows back to the water, intercepts impurities, and generates bubbles to add oxygen to the water; the limiting plate 2 functions as a one-way valve;

when the semicircular chute 4 is lifted upwards, the piston plate 403 is directly lifted by using the piston rod 402, and negative pressure is generated inside the steel wire hose 8 and the counterweight seat 9 to pump water;

the triggering mode is as follows: when the swing rod 501 rises to the highest position, the proximity switch 10 can be triggered, the proximity switch 10 is used for inducing and triggering the electrolysis electrode 111 to start electrolysis, the required voltage for electrolysis is 1.23V, water can be decomposed when the voltage exceeds 1.23V, potential safety hazards to people cannot be caused by bottom pressure electrolysis, disinfection and sterilization can be realized, and the device can be used in the breeding industry;

a driving-away mode: water enters the rotating rod 908 from the ball head filter screen 909 through negative pressure generated by water pumping of the piston plate 403, passes through the rotating rod 908 and the hexagonal swinging pipe 907, enters the eccentric transmission bin 901 from the water passing hole 904, passes through the connecting bent pipe 906 to be conveyed downwards, then passes through the steel wire hose 8 to be conveyed upwards, water flow drives the impeller 905 to rotate in the process, the impeller 905 drives the hollow shaft 903 to rotate, and water organisms are driven away by continuous rotation of the rotating rod 908;

cleaning and protecting mode: the motor 5 drives the driven shaft 6 to rotate when rotating, the driven shaft 6 drives the middle shafts 703 to rotate through the bevel gears, the four groups of middle shafts 703 are matched with the connecting shafts 702 to rotate synchronously, the sides of the piles 110 in the middle of the bottom of the four groups of rotating fins 704 are attached to rotate continuously, the bottom of the main buoyancy tank 1 is cleaned continuously, aquatic organisms are driven away, and the phenomenon that the aquatic organisms are attached to the outer surfaces of the main buoyancy tank 1 and the circular buoyancy seat 7 to cause mechanical faults is avoided.

Finally, it should be noted that, when describing the positions of the components and the matching relationship therebetween, the present invention is usually illustrated by one/a pair of components, however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other/other pairs of components.

The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.

Claims

1. A water environment purifier for fry culture, comprising: the main body of the main buoyancy tank (1) is of a square structure, and a circular hole penetrating through the upper part and the lower part is formed in the middle of the main buoyancy tank (1); the main frame (3), the main frame (3) is fixedly arranged on the tops of two sides of the main buoyancy tank (1); two groups of side brackets (301) are fixedly arranged on two sides of the main frame (3); the top of the semicircular sliding groove (4) is fixedly provided with two groups of guide rods A (401), and the guide rods A (401) are arranged in the main frame (3) in a sliding manner; the motor (5), the said motor (5) is fixed to set up in the outside of a pack of side brackets (301); the driven shaft (6) is rotatably arranged above the side bracket (301) which is in the same group with the motor (5), and the driven shaft (6) is meshed with a rotating shaft of the motor (5) through a gear; the round floating seats (7) are matched with the support and fixedly arranged on the side of the main floating box (1), and the number of the round floating seats (7) is four; the steel wire hose (8) is connected and arranged in the middle of the bottom of the main buoyancy tank (1); the balance weight seat (9), the top of the balance weight seat (9) is fixedly provided with an eccentric transmission bin (901), and one side of the eccentric transmission bin (901) is connected to the outside of the steel wire hose (8); the proximity switch (10), the proximity switch (10) is fixedly arranged on the top of the inner side of the main frame (3).

2. The aquatic environment purification apparatus for fry rearing according to claim 1, wherein the main buoyancy tank (1) comprises:

the floating structure comprises a connecting frame (101), wherein the connecting frame (101) is fixedly arranged on one side of a main floating box (1), a guide frame (102) is arranged at the outer end of the connecting frame (101) in a sliding mode, the guide frame (102) is vertically arranged, and a fixing rod (103) is fixedly arranged at one end of the guide frame (102);

the top of the fixed seat (104) is fixedly provided with a sliding frame (105), and the fixed rod (103) is slidably arranged in the sliding frame (105) and is fixedly connected through a pin.

3. The aquatic environment purification apparatus for fry rearing according to claim 1, wherein the main buoyancy tank (1) further comprises:

the filtering net cover (106) is fixedly arranged on the side of the top of the main buoyancy tank (1);

the water-saving floating box comprises a platform pipe (107), wherein the platform pipe (107) is integrally arranged in the middle of the top of the main floating box (1), a piston cylinder (108) is welded to the top of the platform pipe (107), and a drain hole (109) is formed in the bottom of the piston cylinder (108) in a surrounding mode; a limiting plate (2) is arranged outside the platform pipe (107) in a sliding mode, a spring is arranged at the bottom of the limiting plate (2), and the top of the limiting plate (2) can be attached to the drain hole (109);

the bottom middle pile (110) is integrally arranged in the middle of the bottom of the main floating box (1), the side of the bottom middle pile (110) is of an arc-shaped structure, and the circle center of the arc-shaped structure is aligned with that of the circular floating seat (7);

two groups of electrolysis electrodes (111) are fixedly arranged on the inner wall of the piston cylinder (108).

4. The water environment purification device for fry rearing according to claim 1, wherein the semicircular chute (4) further comprises:

the cambered surface of the semicircular sliding groove (4) faces downwards, the piston rod (402) is fixedly arranged in the middle of the bottom end of the semicircular sliding groove (4), the bottom end of the piston rod (402) is a piston piece, and the piston piece can be inserted into a middle round hole of the main buoyancy tank (1);

the piston plate (403), the piston plate (403) is arranged outside the piston rod (402) in a sliding mode, and the piston plate (403) is arranged in the piston cylinder (108) in a sliding mode;

the piston plate is characterized by comprising a contact seat (404), wherein the contact seat (404) is fixedly arranged on one side of the top of the piston plate (403), two groups of guide rods B (405) are fixedly arranged on the top of the contact seat (404), and the guide rods B (405) are slidably connected with the main frame (3).

5. The aquatic environment purification apparatus for fry rearing according to claim 1, wherein the motor (5) comprises:

the swing rod (501) is fixedly arranged at the shaft end of the motor (5), a sliding rod (502) is fixedly arranged on one side of the swing rod (501), and the sliding rod (502) is slidably arranged in the semicircular sliding groove (4).

6. The aquatic environment purification apparatus for fry rearing according to claim 1, wherein the circular floating seat (7) comprises:

the top of the circular floating seat (7) is fixedly provided with a closed cylinder (701), a connecting shaft (702) is rotatably arranged in two adjacent groups of closed cylinders (701), and the adjacent connecting shafts (702) are in bevel gear transmission connection;

the middle of the circular floating seat (7) is provided with a through hole, the through hole is matched with a waterproof bearing to rotatably arrange the middle shaft (703), the bottoms of the middle shafts (703) are respectively and fixedly provided with a rotating fin (704), the tops of the side edges of the rotating fins (704) are provided with brushes, and the side edges of the rotating fins (704) are attached to the side edge of the bottom middle pile (110); the top end of the middle shaft (703) at one side extends upwards and is in transmission connection with the driven shaft (6) through a bevel gear.

7. The water environment purification device for fry rearing according to claim 1, wherein the weight seat (9) further comprises:

the middle of the eccentric transmission bin (901) is fixedly provided with a partition plate (902) in a sealing way, and the middle of the eccentric transmission bin (901) and the partition plate (902) is rotatably provided with a hollow shaft (903);

the hollow shaft (903) is provided with a water through hole (904), the water through hole (904) is formed outside the hollow shaft (903), and the water through hole (904) is positioned in the eccentric transmission bin (901) above the partition plate (902);

the impeller (905) is fixedly arranged outside the hollow shaft (903), and the impeller (905) is positioned in the eccentric transmission bin (901) below the partition plate (902);

the connecting elbow pipe (906) is arranged on one side of the eccentric transmission bin (901), and the connecting elbow pipe (906) is used for communicating the upper part and the lower part of the partition plate (902) in the eccentric transmission bin (901).

8. The water environment purification device for fry rearing according to claim 7, wherein the weight seat (9) further comprises:

the hollow shaft (903) is fixedly provided with a hexagonal swing pipe (907) at the top end, the bottom end of the outer side of the hexagonal swing pipe (907) is fixedly provided with a rotating rod (908), and a ball head filter screen (909) is fixedly arranged at the bottom of the rotating rod (908).