Circulation type roe hatching device

Abstract

The utility model discloses a circulation type roe hatching device which comprises an annular outer wall and an annular inner wall, a circulation roe hatching area is formed between the annular outer wall and the annular inner wall, water outlet pipes are annularly and evenly installed on the bottom wall of the circulation roe hatching area, and pipe openings of the water outlet pipes uniformly face the tangential direction of the same direction of a ring line where the water outlet pipes are located. Circulation is naturally formed in the circulation roe hatching area, water can flow annularly, roes flow along with water flow, bacteria are not prone to breeding, the roes are not prone to hanging on the wall or sinking to the bottom, and therefore the roe hatching success rate is increased. The water level of the water control area is equal to that of the circulation roe hatching area, water in the water control area flows out along the overflow port when exceeding a certain height, and therefore the overall water level height of the device is guaranteed, no water control valve needs to be additionally arranged, and the overall structure of the device is simplified. Air is conveyed to the annular ventilation pipeline through operation of the air compressor, so that the fish eggs can be prevented from sticking to the net while aeration in the water body is achieved, and the fish egg incubation success rate is further increased.

Description

Technical Field

[0001] The utility model relates to the technical field of fish egg hatching, and specifically relates to a circulating fish egg hatching device. Background Art

[0002] Fishes must meet specific environmental conditions to reproduce naturally in rivers, such as water temperature, water period, eggs that are lifted up by water flow during hatching and do not sink to the bottom and suffocate, etc. my country achieved successful results in artificial breeding of edible fish in the 1980s, and the output of domestic fish farming still accounts for more than 50% of the total output of freshwater aquaculture. Existing fish egg hatching devices generally use ordinary reservoirs, but ordinary reservoirs have poor water flow, and local fish eggs are prone to breed bacteria in a non-flowing state, resulting in a low hatching success rate. Therefore, a circulating fish egg hatching device is proposed. Utility Model Content

[0003] The purpose of the utility model is to provide a circulating fish egg incubator to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circulating fish egg hatching device, comprising an annular outer wall and an annular inner wall, a circulating fish egg hatching area is formed between the annular outer wall and the annular inner wall, water outlet pipes are evenly installed along the bottom wall of the circulating fish egg hatching area in a ring shape, the pipe openings of a plurality of the water outlet pipes are uniformly oriented towards the tangent direction of the same direction of the loop line, the plurality of the water outlet pipes are all connected to an external water inlet pipeline, the valve on the external water inlet pipeline is opened, so that water enters the water outlet pipe along the external water inlet pipeline, the water gathers in the circulating fish egg hatching area, and the pipe openings of a plurality of the water outlet pipes are uniformly oriented towards the tangent direction of the same direction of the loop line, so that a circulation is naturally formed in the circulating fish egg hatching area, the water body can keep flowing along the ring shape, the fish eggs flow with the water flow, it is not easy to breed bacteria and it is not easy to hang on the wall or sink to the bottom, thereby improving the success rate of fish egg hatching, the area enclosed by the annular inner wall is a water control area, and an overflow is arranged in the water control area The invention relates to a device for hatching fish eggs in a circulation system, wherein the water level of the circulating fish egg hatching area and the circulating fish egg hatching area are maintained at the same height. When the water body in the water control area exceeds a certain height, it flows out along the overflow port, thereby ensuring the overall water level of the device. There is no need to additionally set a water control valve, and the overall structure of the device is simplified. An annular ventilation pipeline is provided on the annular inner wall and on the lower side of the annular partition net. Air holes are evenly provided on the annular ventilation pipeline. The annular ventilation pipeline is connected to an air compressor through a connecting pipe. During the hatching of fish eggs, air is transported to the annular ventilation pipeline through the operation of the air compressor, so as to achieve aeration in the water body and prevent the fish eggs from sticking to the net, thereby further improving the success rate of fish egg hatching. The circulating fish egg hatching area and the water control area are both provided with a drain. After the fish eggs are successfully hatched, the external valve can be opened, and the water control area and the circulating fish egg hatching area are emptied through the drain.

[0005] Preferably, an annular groove is provided on the outer wall of the annular inner wall, and the annular ventilation pipeline is clamped in the annular groove. The annular groove fixes the annular ventilation pipeline to the outer wall of the annular inner wall. The installation is convenient and this installation method does not occupy the hatching space in the circulating fish egg hatching area, and the design is more reasonable.

[0006] Preferably, the air holes on the annular ventilation pipeline are inclined upward, and the inclined direction points to the annular partition net. The air compressor is used to deliver air to the annular ventilation pipeline, so that aeration is achieved in the water body. At the same time, the air flow passing through the net surface can prevent fish eggs from sticking to the net, thereby further improving the success rate of fish egg hatching.

[0007] Preferably, the upper end of the annular inner wall is evenly fixedly connected to one end of a connecting rod, the other end of the connecting rod is fixedly connected to a connecting ring, the connecting rod and the connecting ring constitute a supporting skeleton, the annular partition net is fixed on the supporting skeleton, and the setting of the supporting skeleton enables the annular partition net to be firmly fixed.

[0008] Preferably, the annular partition net comprises annular mesh cloths symmetrically arranged along the vertical direction, a mesh body is fixedly connected between two of the annular mesh cloths, the mesh body is an 80-mesh mesh, the annular mesh cloths located on the upper and lower sides are fixedly connected to the connecting ring and the annular inner wall respectively, and this fixing method of the annular partition net is firm and easy to install.

[0009] Preferably, the water outlet pipe is a duckbill-shaped water pipe, which has a relatively large water spray volume and can maintain a good circulation effect in the circulating fish egg hatching area.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] (1) an annular outer wall and an annular inner wall are provided, a circulating fish egg hatching area is formed between the annular outer wall and the annular inner wall, outlet pipes are evenly installed in an annular manner on the bottom wall of the circulating fish egg hatching area, the orifices of a plurality of outlet pipes are uniformly oriented toward the tangential direction of the loop line in the same direction, the plurality of outlet pipes are all connected to an external water inlet pipeline, a valve on the external water inlet pipeline is opened, water enters the outlet pipe along the external water inlet pipeline, water gathers in the circulating fish egg hatching area, and the orifices of a plurality of outlet pipes are uniformly oriented toward the tangential direction of the loop line in the same direction, so that a circulation is naturally formed in the circulating fish egg hatching area, the water body can keep flowing in an annular manner, the fish eggs flow with the water flow, are not easy to breed bacteria, are not easy to hang on the wall, and sink to the bottom, thereby improving the success rate of fish egg hatching;

[0012] (2) The area enclosed by the annular inner wall is the water control area. An overflow pipe is provided in the water control area. An overflow port is provided on the overflow pipe. An annular partition net is provided on the annular inner wall. The water level of the water control area and the circulating fish egg hatching area is kept at the same height. When the water in the water control area exceeds a certain height, it flows out along the overflow port, thereby ensuring the overall water level of the device. No additional water control valve is required, and the overall structure of the device is simplified.

[0013] (3) An annular ventilation pipeline is arranged on the annular inner wall and at the lower side of the annular partition net. Air holes are evenly opened on the annular ventilation pipeline. The annular ventilation pipeline is connected to an air compressor through a connecting pipe. During the fish egg hatching process, the air compressor works to transport air to the annular ventilation pipeline, thereby achieving aeration in the water body and preventing the fish eggs from sticking to the net, thereby further improving the success rate of fish egg hatching. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a top view of the main structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the annular inner wall structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of the annular inner wall (without the annular partition) of the utility model.

[0017] In the figure: 1-annular outer wall, 2-annular inner wall, 3-circulating fish egg hatching area, 4-outlet pipe, 5-water control area, 6-overflow pipe, 7-overflow port, 8-annular partition net, 801-annular mesh cloth, 802-net body, 9-annular ventilation pipeline, 10-air compressor, 11-annular slot, 12-connecting rod, 13-connecting ring, 14-drainage port. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Example:

[0020] See also Figure 1-3The utility model provides the following technical solutions: a circulating fish egg hatching device, comprising an annular outer wall 1 and an annular inner wall 2, wherein a circulating fish egg hatching area 3 is formed between the annular outer wall 1 and the annular inner wall 2, and outlet pipes 4 are evenly installed along the bottom wall of the circulating fish egg hatching area 3, and the outlets of the plurality of outlet pipes 4 are uniformly oriented toward the tangent direction of the same direction of the loop line, and the plurality of outlet pipes 4 are all connected to an external water inlet pipeline, and the valve on the external water inlet pipeline is opened so that water flows along the external water inlet pipeline. The water inlet pipe enters the outlet pipe 4, and water gathers in the circulating fish egg hatching area 3, and the pipe openings of the plurality of outlet pipes 4 are uniformly oriented toward the tangent direction of the same direction of the loop line, so that a circulation is naturally formed in the circulating fish egg hatching area 3, and the water body can keep flowing in a circular direction. The fish eggs flow with the water flow, and are not easy to breed bacteria and are not easy to hang on the wall or sink to the bottom, thereby improving the success rate of fish egg hatching. The area enclosed by the annular inner wall 2 is the water control area 5, and an overflow pipe 6 is arranged in the water control area 5. The overflow pipe 6 An overflow port 7 is provided on the annular inner wall 2, an annular partition net 8 is provided on the annular inner wall 2, the water level of the water control area 5 and the circulating fish egg hatching area 3 are kept at the same height, and the water body located in the water control area 5 flows out along the overflow port 7 when it exceeds a certain height, thereby ensuring the overall water level of the device, without the need to additionally set a water control valve, and the overall structure of the device is simplified, an annular ventilation pipeline 9 is provided on the annular inner wall 2 and located at the lower side of the annular partition net 8, and the annular ventilation pipeline 9 is evenly provided with air The annular ventilation pipeline 9 is connected to the air compressor 10 through a connecting pipe. During the fish egg hatching process, the air compressor 10 works to deliver air to the annular ventilation pipeline 9, so as to achieve aeration in the water body and prevent the fish eggs from sticking to the net, thereby further improving the success rate of fish egg hatching. The circulating fish egg hatching area 3 and the water control area 5 are both provided with a drain port 14. After the fish eggs are successfully hatched, the external valve can be opened, and the water control area 5 and the circulating fish egg hatching area 3 are emptied through the drain port 14.

[0021] Specifically, an annular groove 11 is opened on the outer wall of the annular inner wall 2, and the annular ventilation pipeline 9 is clamped in the annular groove 11. The annular groove 11 fixes the annular ventilation pipeline 9 on the outer wall of the annular inner wall 2. The installation is convenient and this installation method does not occupy the hatching space in the circulating fish egg hatching area 3. The design is more reasonable.

[0022] Specifically, the air holes on the annular ventilation pipeline 9 are inclined upward, and the inclined direction points to the annular partition net 8. The air compressor 10 is used to deliver air to the annular ventilation pipeline 9, so that aeration is achieved in the water body. At the same time, the air flow passing through the net surface can prevent the fish eggs from sticking to the net, thereby further improving the success rate of fish egg hatching.

[0023] Specifically, the upper end of the annular inner wall 2 is evenly fixedly connected to one end of the connecting rod 12, and the other end of the connecting rod 12 is fixedly connected to the connecting ring 13. The connecting rod 12 and the connecting ring 13 constitute a supporting skeleton, and the annular partition net 8 is fixed on the supporting skeleton. The setting of the supporting skeleton enables the annular partition net 8 to be firmly fixed.

[0024] Specifically, the annular partition net 8 includes annular mesh cloths 801 symmetrically arranged along the vertical direction, and a mesh body 802 is fixedly connected between two of the annular mesh cloths 801. The mesh body 802 is an 80-mesh mesh. The annular mesh cloths 801 located on the upper and lower sides are fixedly connected to the connecting ring 13 and the annular inner wall 2 respectively. This fixing method of the annular partition net 8 is firm and easy to install.

[0025] Specifically, the water outlet pipe 4 is a duckbill-shaped water pipe, which has a relatively large water spray volume and can maintain a good circulation effect in the circulating fish egg hatching area 3 .

[0026] Working principle: an annular outer wall 1 and an annular inner wall 2 are provided, a circulating fish egg hatching area 3 is formed between the annular outer wall 1 and the annular inner wall 2, outlet pipes 4 are evenly installed in a ring shape on the bottom wall of the circulating fish egg hatching area 3, the outlet pipes 4 of multiple outlet pipes 4 are uniformly oriented in the tangential direction of the same direction of the loop, and the multiple outlet pipes 4 are all connected to an external water inlet pipeline. The valve on the external water inlet pipeline is opened to allow water to enter the outlet pipe 4 along the external water inlet pipeline, and the water gathers in the circulating fish egg hatching area 3, and the outlet pipes of multiple outlet pipes 4 are uniformly oriented in the tangential direction of the same direction of the loop, so that a circulation is naturally formed in the circulating fish egg hatching area 3, the water body can keep flowing in a ring shape, the fish eggs flow with the water flow, and are not easy to breed bacteria and are not easy to hang on the wall or sink to the bottom, thereby improving the success rate of fish egg hatching, the area enclosed by the annular inner wall 2 is a water control area 5, an overflow pipe 6 is provided in the water control area 5, and an overflow port 7 is provided on the overflow pipe 6 A ring-shaped partition net 8 is arranged on the ring-shaped inner wall 2, and the water levels of the water control area 5 and the circulating fish egg hatching area 3 are kept at the same height. When the water body in the water control area 5 exceeds a certain height, it flows out along the overflow port 7, thereby ensuring the overall water level of the device. There is no need to set up an additional water control valve, and the overall structure of the device is simplified. A ring-shaped ventilation pipeline 9 is arranged on the ring-shaped inner wall 2 and on the lower side of the ring-shaped partition net 8. Air holes are evenly opened on the ring-shaped ventilation pipeline 9. The ring-shaped ventilation pipeline 9 is connected to the air compressor 10 through a connecting pipe. During the fish egg hatching process, the air compressor 10 works to transport air to the ring-shaped ventilation pipeline 9, so as to achieve aeration in the water body and prevent the fish eggs from sticking to the net, thereby further improving the success rate of fish egg hatching. The circulating fish egg hatching area 3 and the water control area 5 are both provided with a drain 14. After the fish eggs are successfully hatched, the external valve can be opened, and the water control area 5 and the circulating fish egg hatching area 3 are emptied through the drain 14.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A circulating fish egg incubator, characterized in that: The invention comprises an annular outer wall (1) and an annular inner wall (2), wherein a circulating fish egg hatching area (3) is formed between the annular outer wall (1) and the annular inner wall (2), water outlet pipes (4) are evenly installed in an annular shape on the bottom wall of the circulating fish egg hatching area (3), the pipe openings of a plurality of the water outlet pipes (4) are uniformly oriented in the same tangent direction of the loop line, the plurality of the water outlet pipes (4) are all connected to an external water inlet pipeline, and the area enclosed by the annular inner wall (2) is a water control area (5), and the water control area (5) has a plurality of outlet pipes (4) disposed in a uniform manner. An overflow pipe (6) is provided, an overflow port (7) is provided on the overflow pipe (6), an annular partition net (8) is provided on the annular inner wall (2), an annular ventilation pipeline (9) is provided on the annular inner wall (2) and located below the annular partition net (8), air holes are evenly provided on the annular ventilation pipeline (9), and the annular ventilation pipeline (9) is connected to an air compressor (10) through a connecting pipe. The circulating fish egg hatching area (3) and the water control area (5) are both provided with a water outlet (14).

2. A circulating fish egg incubator according to claim 1, characterized in that: An annular groove (11) is provided on the outer side wall of the annular inner wall (2), and the annular ventilation pipeline (9) is clamped in the annular groove (11).

3. A circulating fish egg incubator according to claim 2, characterized in that: The air holes on the annular ventilation pipeline (9) are oriented in an inclined direction upward, with the inclination direction pointing toward the annular partition net (8).

4. A circulating fish egg incubator according to any one of claims 1 to 3, characterized in that: The upper end of the annular inner wall (2) is evenly fixedly connected to one end of a connecting rod (12), the other end of the connecting rod (12) is fixedly connected to a connecting ring (13), the connecting rod (12) and the connecting ring (13) form a supporting frame, and the annular partition net (8) is fixed on the supporting frame.

5. A circulating fish egg incubator according to claim 4, characterized in that: The annular spacer (8) comprises annular mesh cloths (801) symmetrically arranged in the vertical direction, a mesh body (802) is fixedly connected between two annular mesh cloths (801), and the mesh body (802) is an 80-mesh mesh. The annular mesh cloths (801) located on the upper and lower sides are fixedly connected to the connecting ring (13) and the annular inner wall (2) respectively.

6. A circulating fish egg incubator according to any one of claims 1 to 3, characterized in that: The water outlet pipe (4) is a duckbill type water pipe.

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