Water circulation device of roe hatching pond

Abstract

The utility model relates to the field of roe hatching ponds, and discloses a water circulation device of a roe hatching pond, which comprises a roe hatching pond, a nylon net hatching frame arranged in the roe hatching pond and a centrifugal pump fixedly mounted on the outer side wall of the roe hatching pond, and a plurality of uniformly distributed support columns are fixedly mounted at the bottom of the roe hatching pond. The top ends of the multiple supporting columns are fixedly connected with the bottom of the nylon net hatching frame, an annular pipe located below the nylon net hatching frame is fixedly installed on the inner side wall of the roe hatching pond, the bottom of the annular pipe fixedly communicates with multiple evenly-distributed water suction pipes, and a water pumping pipe is fixedly installed at the suction end of the centrifugal pump. Compared with the prior art, the fish egg hatching pond has the following advantages and effects that during water circulation of water in the fish egg hatching pond, effective water quality purification and water quality oxygenation can be achieved, a clean and oxygen-enriched good hatching environment can be provided for fish eggs, and healthy hatching of the fish eggs is promoted.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of fish egg hatching pools, in particular to a water circulation device of a fish egg hatching pool. BACKGROUND

[0002] The fish egg hatching pool is a facility specially used for fish egg hatching in the process of fish breeding, and the main function is to provide a stable and suitable environment for fish eggs, so that the fish eggs can develop into fry smoothly. The water circulation device of the fish egg hatching pool is a key equipment for ensuring the healthy hatching of the fish eggs.

[0003] In the related art, the water circulation device of the fish egg hatching pool can meet the basic requirement of controlling the circulation flow of the water in the fish egg hatching pool, but it is found in actual use that there are at least the following problems: during the circulation flow of the water in the fish egg hatching pool, the dissolved oxygen content in the water increases relatively less, the oxygenation efficiency is relatively low, and when the oxygen content in the water is insufficient, the healthy hatching of the fish eggs is not conducive.

[0004] Therefore, the application provides a water circulation device of a fish egg hatching pool to solve the above problems. Content of the utility model

[0005] The application aims to provide a water circulation device of a fish egg hatching pool, which can realize effective water purification and water oxygenation during the water circulation of the water in the fish egg hatching pool, can provide a clean and oxygen-rich good hatching environment for the fish eggs, and can promote the healthy hatching effect of the fish eggs.

[0006] The above technical purpose of the application is realized by the following technical scheme: a water circulation device of a fish egg hatching pool, comprising a fish egg hatching pool, a nylon net hatching frame arranged in the fish egg hatching pool, and a centrifugal pump fixedly installed on the outer side wall of the fish egg hatching pool, a plurality of uniformly distributed support columns are fixedly installed on the inner wall of the bottom of the fish egg hatching pool, the top ends of the plurality of support columns are fixedly connected with the bottom of the nylon net hatching frame, an annular pipe located below the nylon net hatching frame is fixedly installed on the inner side wall of the fish egg hatching pool, a plurality of uniformly distributed water suction pipes are fixedly communicated with the bottom of the annular pipe, a water suction pipe is fixedly installed at the suction end of the centrifugal pump, one end of the water suction pipe extends into the fish egg hatching pool and is fixedly communicated with the annular pipe, a water discharge pipe is fixedly installed at the discharge end of the centrifugal pump, one end of the water discharge pipe is fixedly installed with a purification tank located above the fish egg hatching pool, one end of the water discharge pipe extends into the purification tank, a filter screen is fixedly installed in the purification tank, an oxygenation tank is fixedly communicated with the bottom of the purification tank, the bottom of the oxygenation tank is of an open structure, and an oxygenation mechanism for increasing the oxygen content of the water in the fish egg hatching pool is arranged on the oxygenation tank.

[0007] By adopting the technical scheme, the fish egg hatching frame is arranged to separate the fish eggs from the part directly contacted with the bottom of the fish egg hatching pool and the circulating water, so as to avoid damage of the fish eggs caused by water flow impact and friction with the pool bottom, provide a relatively stable hatching environment for the fish eggs, help to improve the hatching rate of the fish eggs, realize the circulating flow of the water in the fish egg hatching pool by cooperation of the centrifugal pump, the annular pipe water suction pipe and the drain pipe, uniformly distribute the water in the pool, avoid local water quality deterioration, provide a stable water quality environment for the fish eggs, and also help to exchange the substances around the fish eggs and metabolism, and the filter screen is arranged to filter out the particulate impurities in the circulating water, such as excrement of the fish eggs, eggshell fragments and other impurities, prevent the impurities from accumulating in the fish egg hatching pool, keep the water clean, and reduce the harm to the fish eggs and fry.

[0008] Further, the inner wall of the bottom of the fish egg hatching pool is in an arc shape with a middle part upwardly protruding.

[0009] By adopting the technical scheme, the impurities and sediments on the bottom of the fish egg hatching pool are gathered around under the action of gravity, and then the water containing the impurities and sediments is more comprehensively sucked into the annular pipe from the multiple water suction pipes, so as to reduce the pollution of the impurities to the fish egg hatching water.

[0010] Further, the filter screen is in an arc shape with an upward protrusion.

[0011] By adopting the technical scheme, the phenomenon of filter screen blockage is reduced, and the effective filtering performance of the filter screen is maintained.

[0012] Further, the top of the purification box is fixedly provided with a box cover through screws.

[0013] By adopting the technical scheme, the box cover is convenient to disassemble and assemble, and then the impurities intercepted on the upper surface of the filter screen are conveniently cleaned out.

[0014] Further, the oxygen increasing mechanism comprises a shaft seat, a hollow rotating shaft, multiple air jet heads, a rotary joint, an oxygen increasing machine, a gas conveying pipe and a driving assembly, the shaft seat is fixedly installed on the left inner wall of the oxygen increasing box, the hollow rotating shaft is rotatably installed on the shaft seat, the multiple air jet heads are fixedly installed on the hollow rotating shaft and are uniformly distributed, the multiple air jet heads are in communication with the hollow rotating shaft, the right end of the hollow rotating shaft extends out of the oxygen increasing box, the rotary joint is rotatably installed on the right end of the hollow rotating shaft, the oxygen increasing machine is fixedly installed on the top of the oxygen increasing box, one end of the gas conveying pipe is fixedly connected with the gas outlet end of the oxygen increasing machine, and the other end of the gas conveying pipe is fixedly connected with the rotary joint.

[0015] By adopting the technical scheme, the oxygenator sends oxygen into the hollow rotating shaft through the gas conveying pipe, and the oxygen is uniformly sprayed into the oxygenation box by the plurality of jet heads, thereby increasing the oxygen content of the water body, providing sufficient oxygen for the respiration of the fish eggs and fry, and being beneficial to improving the hatching rate of the fish eggs and the survival rate of the fry.

[0016] The application further provides that the driving assembly comprises a motor, a main gear and a secondary gear, the motor is located at the right side of the oxygenation box, the main gear is fixedly installed at the output shaft end of the motor, the secondary gear is fixedly sleeved on the hollow rotating shaft and located between the oxygenation box and the rotary joint, and the main gear and the secondary gear are in engagement.

[0017] By adopting the technical scheme, the hollow rotating shaft rotates under the driving of the motor, the main gear and the secondary gear, drives the jet heads to rotate, and makes the oxygen more uniformly distributed in the water body in the oxygenation box, thereby making the oxygen content of the water in the whole fish egg hatching pool more uniform and avoiding the occurrence of local oxygen deficiency.

[0018] The application further provides that a machine base is fixedly installed on the right outer wall of the oxygenation box, and the motor is fixedly installed on the machine base.

[0019] By adopting the technical scheme, the machine base provides stability for the installation and use of the motor.

[0020] The application further provides that water distribution plates one and two are fixedly installed in the oxygenation box, the water distribution plate one is located below the hollow rotating shaft, the water distribution plate two is located below the water distribution plate one, a plurality of water distribution holes one are arrayed on the water distribution plate one, and a plurality of water distribution holes two are arrayed on the water distribution plate two.

[0021] By adopting the technical scheme, the water distribution plates one and two and the water distribution holes one and two provided thereby can ensure that the water after oxygenation is uniformly dispersed into the fish egg hatching pool.

[0022] The application further provides that the water distribution holes one and two are staggered.

[0023] By adopting the technical scheme, the impact force of the water dispersed into the fish egg hatching pool can be effectively reduced, and the fish eggs are not damaged.

[0024] The application further provides that an L-shaped support is fixedly installed at the top of the fish egg hatching pool, and one end of the L-shaped support is fixedly connected with the left outer wall of the oxygenation box.

[0025] By adopting the technical scheme, the oxygenation box is supported and reinforced.

[0026] The application has at least one of the following beneficial technical effects:

[0027] 1、The application can realize the circulation of water in the fish egg hatching pool by using the cooperation of the centrifugal pump, the annular pipe suction pipe and the drain pipe.

[0028] 2、The application can filter the excrement of fish eggs, eggshell fragments and other impurities in the circulating water by using the filter screen, realize the water purification effect, prevent the accumulation of these impurities in the fish egg hatching pool, keep the water clean, and reduce the harm to fish eggs and fry.

[0029] 3、The application can realize effective water oxygenation in the process of water circulation by using the oxygenation mechanism, can provide a good hatching environment for fish eggs, and promote the healthy hatching of fish eggs.

[0030] 4、The application can ensure that the oxygenated water is uniformly dispersed into the fish egg hatching pool by using the water distribution plate one and the water distribution plate two and setting the staggered distribution of the water distribution hole one and the water distribution hole two, and can effectively reduce the impact force of the water dispersed into the fish egg hatching pool, and will not cause damage to the fish eggs. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creating laborious work.

[0032] Figure 1 is a schematic diagram of the three-dimensional structure of the embodiment.

[0033] Figure 2 is a schematic diagram of the front view of the cross-sectional structure of the embodiment.

[0034] Figure 3 is a schematic diagram of the front view of the cross-sectional structure of the purification tank and the oxygenation tank.

[0035] Figure 4 is Figure 3 is an enlarged structure schematic diagram of part A in

[0036] In the figure, 1 is a fish egg hatching pool, 2 is a nylon net hatching frame, 3 is a centrifugal pump, 4 is a support column, 5 is an annular pipe, 6 is a water suction pipe, 7 is a water suction pipe, 8 is a drain pipe, 9 is a purification tank, 10 is an oxygenation tank, 11 is a filter screen, 12 is a water distribution plate one, 13 is a water distribution hole one, 14 is a water distribution plate two, 15 is a water distribution hole two, 16 is a tank cover, 17 is a shaft seat, 18 is a hollow rotating shaft, 19 is a jet head, 20 is a rotary joint, 21 is an oxygenation machine, 22 is a gas conveying pipe, 23 is a motor, 24 is a main gear, 25 is a secondary gear, 26 is a machine base, and 27 is an L-shaped support. DETAILED DESCRIPTION

[0037] The technical solutions of the present application will be described clearly and completely in combination with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0038] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 4 , the present application provides a water circulation device for fish egg hatching pool, which comprises a fish egg hatching pool 1, a nylon net hatching frame 2 arranged in the fish egg hatching pool 1, and a centrifugal pump 3 fixedly installed on the outer side wall of the fish egg hatching pool 1. The inner wall of the bottom of the fish egg hatching pool 1 is configured as a middle upward convex arc surface. A plurality of uniformly distributed support columns 4 are fixedly installed on the inner wall of the bottom of the fish egg hatching pool 1. The top ends of the plurality of support columns 4 are fixedly connected with the bottom of the nylon net hatching frame 2. An annular pipe 5 is fixedly installed on the inner side wall of the fish egg hatching pool 1 below the nylon net hatching frame 2. A plurality of uniformly distributed water suction pipes 6 are fixedly communicated with the bottom of the annular pipe 5. A water suction pipe 7 is fixedly installed at the suction end of the centrifugal pump 3. One end of the water suction pipe 7 extends into the fish egg hatching pool 1 and is fixedly communicated with the annular pipe 5. A water discharge pipe 8 is fixedly installed at the discharge end of the centrifugal pump 3.

[0039] One end of the water discharge pipe 8 is fixedly installed with a purification tank 9 above the fish egg hatching pool 1. One end of the water discharge pipe 8 extends into the purification tank 9. A filter screen 11 is fixedly installed in the purification tank 9. The filter screen 11 is configured as an upward convex arc. An oxygen increasing tank 10 is fixedly communicated with the bottom of the purification tank 9. The bottom of the oxygen increasing tank 10 is configured as an open structure. An oxygen increasing mechanism is arranged on the oxygen increasing tank 10 for increasing the oxygen content of the water in the fish egg hatching pool 1. The oxygen increasing mechanism comprises an axle seat 17, a hollow rotating shaft 18, a plurality of air jet heads 19, a rotary joint 20, an oxygen increasing machine 21, a gas conveying pipe 22, and a driving assembly. The axle seat 17 is fixedly installed on the left inner wall of the oxygen increasing tank 10. The hollow rotating shaft 18 is rotatably installed on the axle seat 17. The plurality of air jet heads 19 are fixedly installed on the hollow rotating shaft 18 and are uniformly distributed. The plurality of air jet heads 19 are communicated with the hollow rotating shaft 18. The right end of the hollow rotating shaft 18 extends out of the oxygen increasing tank 10. The rotary joint 20 is rotatably installed at the right end of the hollow rotating shaft 18. The oxygen increasing machine 21 is fixedly installed on the top of the oxygen increasing tank 10. One end of the gas conveying pipe 22 is fixedly connected with the gas outlet end of the oxygen increasing machine 21. The other end of the gas conveying pipe 22 is fixedly connected with the rotary joint 20. The driving assembly comprises a motor 23, a main gear 24, and a secondary gear 25. The motor 23 is located at the right side of the oxygen increasing tank 10. The main gear 24 is fixedly installed on the output shaft end of the motor 23. The secondary gear 25 is fixedly sleeved on the hollow rotating shaft 18 and is located between the oxygen increasing tank 10 and the rotary joint 20. The main gear 24 and the secondary gear 25 are engaged.

[0040] In the embodiment, the top of the purification tank 9 is fixedly installed with a tank cover 16 by screws.

[0041] In the embodiment, the right outer wall of the oxygenation tank 10 is fixedly installed with a base 26, and the motor 23 is fixedly installed on the base 26.

[0042] In the embodiment, the oxygenation tank 10 is fixedly installed with a water distribution plate one 12 and a water distribution plate two 14, the water distribution plate one 12 is below the hollow rotating shaft 18, the water distribution plate two 14 is below the water distribution plate one 12, a plurality of water distribution holes one 13 are arrayed on the water distribution plate one 12, a plurality of water distribution holes two 15 are arrayed on the water distribution plate two 14, and the water distribution holes one 13 and the water distribution holes two 15 are staggered.

[0043] In the embodiment, the top of the fish egg incubation tank 1 is fixedly installed with an L-shaped bracket 27, one end of the L-shaped bracket 27 is fixedly connected with the left outer wall of the oxygenation tank 10.

[0044] In the embodiment, it needs to be supplemented that the centrifugal pump 3, the oxygenation machine 21 and the motor 23 can be purchased in the market, and the line connection mode and the control mode belong to the mature technology in the field, so as to be fully disclosed, and therefore, the description is not repeated herein. In addition, an oxygen concentration sensor can be installed in the fish egg incubation tank 1 to monitor the oxygen concentration in the water body, or a staff member uses a handheld dissolved oxygen meter to detect the oxygen concentration in the water body to determine whether the oxygen concentration in the water body is normal.

[0045] Through the above structure, the working principle of the water circulation device of the fish egg incubation tank is as follows:

[0046] An appropriate amount of water is added to the fish egg incubation tank 1, and the fish eggs are poured into the nylon net incubation frame 2 in the fish egg incubation tank 1, so that the fish eggs can be incubated;

[0047] During the incubation of the fish eggs, the centrifugal pump 3 is started to run, and the water in the annular pipe 5 below the nylon net incubation frame 2 in the fish egg incubation tank 1 is pumped out through the water suction pipe 7. Since the inner wall of the bottom of the fish egg incubation tank 1 is a convex arc surface structure upward in the middle, impurities gather around under the action of gravity, so that the annular pipe 5 can suck the water containing impurities through a plurality of uniformly distributed water suction pipes 6. The pumped-out water enters the centrifugal pump 3 through the water suction pipe 7, and is then transported to the purification tank 9 above the fish egg incubation tank 1 through the water discharge pipe 8 at the discharge end of the centrifugal pump 3. The upward convex arc screen 11 in the purification tank 9 filters the water flow, intercepts the particulate impurities in the water, and realizes the effect of water quality purification.

[0048] The purified water flows into the oxygenation tank 10 from the bottom of the purification tank 9. The oxygenation machine 21 sends oxygen to the rotating joint 20 through the gas pipe 22, and then into the hollow rotating shaft 18, and finally out of the multiple jet heads 19 fixed on the hollow rotating shaft 18. Oxygen is injected into the water in the oxygenation tank 10. At the same time, the motor 23 drives the main gear 24 to rotate, and the main gear 24 drives the auxiliary gear 25 to rotate, so that the hollow rotating shaft 18 rotates, and the jet head 19 rotates, so that the oxygen is more evenly dispersed in the water in the oxygenation tank 10.

[0049] The oxygenated water first passes through the water distribution holes 13 on the water distribution plate 1 12, and then passes through the water distribution holes 15 on the water distribution plate 2 14, which are arrayed and staggered with the water distribution holes 13, so that the water is evenly dispersed and falls back into the fish egg incubation tank 1, completing the entire water circulation process. Since the fish eggs are placed in the nylon mesh incubation frame 2, the purified and oxygenated water can provide a clean and oxygen-rich incubation environment for the fish eggs, promoting healthy incubation of the fish eggs.

Claims

1. A water circulation device for a fish egg hatching pond, characterized in that, The system includes a fish egg hatching tank (1), a nylon mesh hatching frame (2) set inside the fish egg hatching tank (1), and a centrifugal pump (3) fixed on the outer wall of the fish egg hatching tank (1). Multiple evenly distributed support pillars (4) are fixedly installed on the bottom inner wall of the fish egg hatching tank (1), with the tops of the multiple support pillars (4) fixedly connected to the bottom of the nylon mesh hatching frame (2). An annular pipe (5) located below the nylon mesh hatching frame (2) is fixedly installed on the inner wall of the fish egg hatching tank (1), with multiple evenly distributed suction pipes (6) fixedly connected to the bottom of the annular pipe (5). A suction pipe (7) is fixedly installed at the suction end of the centrifugal pump (3). One end of the pumping pipe (7) extends into the fish egg hatching pool (1) and is fixedly connected to the annular pipe (5). The discharge end of the centrifugal pump (3) is fixedly installed with a drain pipe (8). One end of the drain pipe (8) is fixedly installed with a purification box (9) located above the fish egg hatching pool (1). One end of the drain pipe (8) extends into the purification box (9). A filter screen (11) is fixedly installed inside the purification box (9). An oxygenation box (10) is fixedly connected to the bottom of the purification box (9). The bottom of the oxygenation box (10) is an open structure. An oxygenation mechanism for increasing the oxygen content of the water in the fish egg hatching pool (1) is provided on the oxygenation box (10).

2. The water circulation device for the fish egg hatching pond according to claim 1, characterized in that: The bottom inner wall of the fish egg hatching pool (1) has an arc-shaped surface structure with the middle part convex upward.

3. The water circulation device for the fish egg hatching pond according to claim 1, characterized in that: The filter (11) has an upwardly convex arc-shaped structure.

4. The water circulation device for the fish egg hatching pond according to claim 1, characterized in that: The top of the purification box (9) is fixed with a box cover (16) by screws.

5. The water circulation device for the fish egg hatching pond according to claim 1, characterized in that: The oxygenation mechanism includes a bearing seat (17), a hollow rotating shaft (18), multiple nozzles (19), a rotary joint (20), an oxygenator (21), an air supply pipe (22), and a drive assembly. The bearing seat (17) is fixedly installed on the left inner wall of the oxygenation box (10). The hollow rotating shaft (18) is rotatably installed on the bearing seat (17). The multiple nozzles (19) are all fixedly installed on the hollow rotating shaft (18) and are evenly distributed. 19) All are connected to the hollow rotating shaft (18). The right end of the hollow rotating shaft (18) extends to the outside of the oxygenation box (10). The rotary joint (20) is rotatably installed on the right end of the hollow rotating shaft (18). The oxygenator (21) is fixedly installed on the top of the oxygenation box (10). One end of the gas supply pipe (22) is fixedly connected to the gas outlet of the oxygenator (21). The other end of the gas supply pipe (22) is fixedly connected to the rotary joint (20).

6. The water circulation device for the fish egg hatching pond according to claim 5, characterized in that: The drive assembly includes a motor (23), a main gear (24), and a secondary gear (25). The motor (23) is located on the right side of the oxygenation tank (10). The main gear (24) is fixedly installed on the output shaft end of the motor (23). The secondary gear (25) is fixedly mounted on the hollow rotating shaft (18) and located between the oxygenation tank (10) and the rotary joint (20). The main gear (24) and the secondary gear (25) mesh with each other.

7. The water circulation device for the fish egg hatching pond according to claim 6, characterized in that: An engine base (26) is fixedly installed on the right outer wall of the oxygenation box (10), and the motor (23) is fixedly installed on the engine base (26).

8. The water circulation device for the fish egg hatching pond according to claim 5, characterized in that: The oxygenation box (10) is fixedly installed with a water distribution plate one (12) and a water distribution plate two (14). The water distribution plate one (12) is located below the hollow rotating shaft (18), and the water distribution plate two (14) is located below the water distribution plate one (12). The water distribution plate one (12) has multiple water distribution holes one (13) arranged in an array, and the water distribution plate two (14) has multiple water distribution holes two (15) arranged in an array.

9. The water circulation device for the fish egg hatching pond according to claim 8, characterized in that: The water distribution holes one (13) and the water distribution holes two (15) are staggered.

10. The water circulation device for the fish egg hatching pond according to claim 1, characterized in that: An L-shaped bracket (27) is fixedly installed on the top of the fish egg hatching pool (1), and one end of the L-shaped bracket (27) is fixedly connected to the left outer wall of the oxygenation box (10).

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