Aquaculture pond drainage device

Abstract

The utility model discloses an aquaculture pond drainage device which comprises a drainage piece, the side face of the drainage piece is closed, one end of the drainage piece is provided with a water inlet end, and the other end of the drainage piece is provided with a drainage end. A plurality of drainage holes are distributed in the anti-escape plate, the anti-escape plate is of a concave circular structure, a slag discharging hole is formed in the center of the anti-escape plate, and the anti-escape plate is connected with the drainage part through a plurality of anti-falling parts; the blocking ball is used for blocking the slag discharging hole; the pull rope is connected with the plugging ball; the culture pond drainage pipe is connected with the drainage piece and is provided with a drainage valve; one end of the backwashing air pipe is connected with the drainage pipe and located on one side of the water inlet of the drainage valve, and the other end of the backwashing air pipe is connected with an air supply pipe of the culture pond. The device has the advantages that the culture pond can smoothly drain water outwards, and drainage blockage is prevented. The utility model can be applied to culture ponds with different specifications.

Description

A drainage device for aquaculture ponds Technical Field

[0001] This utility model relates to a drainage device, specifically a drainage device for aquaculture ponds. Background Technology

[0002] In my country, the artificial breeding of fish, shrimp, crabs and other species is gradually developing towards intensification, ecologicalization, intelligence and sustainability. By making use of limited land resources and space, the breeding density is increased, the breeding environment is optimized and the breeding cost is reduced, so as to improve the breeding output and efficiency.

[0003] The rapidly developing high-density factory farming and land-based circular pond farming in recent years are typical examples. These methods increase stocking density, achieve water resource recycling, and extensively utilize automated and intelligent equipment. However, the farming process inevitably produces large amounts of feed residue, excrement, and dead organisms (shells from molting in shrimp and crabs). If these organic materials are not promptly removed, collected, and treated, they often lead to eutrophication of the aquatic water, causing excessive levels of ammonia nitrogen and nitrite, depleting dissolved oxygen, and endangering the survival of aquatic organisms.

[0004] In current large-scale artificial aquaculture, when fish, shrimp, and crabs are small, regardless of whether drainage is manual or automated, escape-proof nets are installed at the drainage outlets to prevent them from being discharged with the water. When the fish, shrimp, and crabs are large, either the small-mesh escape-proof nets are replaced with large-mesh ones, or organic matter is flushed towards the drainage outlet, concentrating at the outlet and preventing fish, shrimp, and crabs from approaching, thus avoiding their discharge. However, in practice, organic matter in the pond becomes highly adhesive over time and easily sticks to the escape-proof nets. Furthermore, since the organic matter is flushed towards the drainage outlet, it often contains particles larger than the mesh size of the escape-proof nets, resulting in the nets becoming blocked and drainage obstructed. The only solution is to replace the nets and manually clean them. Therefore, to address the shortcomings of existing technologies, a drainage device for aquaculture ponds has been developed. Summary of the Invention

[0005] The purpose of this utility model is to provide a drainage device for aquaculture ponds in response to the deficiencies of existing technologies.

[0006] In order to achieve the above-mentioned objectives of this utility model, the following technical solution is adopted:

[0007] A drainage device for an aquaculture pond includes a drainage component with a closed side and an inlet at one end and a outlet at the other end; an escape-prevention plate with multiple drainage holes arranged in a concave circular structure and a slag discharge hole at the center; the escape-prevention plate and the drainage component being connected by multiple anti-detachment components; a sealing ball that seals the slag discharge hole; a pull rope connected to the sealing ball; a pond drainage pipe connected to the drainage component and equipped with a drainage valve; and a backwash air pipe, one end of which is connected to the drainage pipe and located on the inlet side of the drainage valve, and the other end of which is connected to the pond air supply pipe.

[0008] Furthermore, the anti-detachment component includes a pin seat, which is installed on the drainage component and has a pin hole at the top; and a pin, which is inserted into the pin hole to prevent the pin seat from detaching from the anti-escape plate.

[0009] Furthermore, the escape-proof plate is provided with an installation groove, which is used for the insertion of the pin seat to pass through the escape-proof plate.

[0010] Furthermore, the drainage component includes a constricted drainage body, which is a conical cylinder. The large-diameter end of the conical cylinder is the water inlet end, and the small-diameter end is the drainage end and is connected to the drainage pipe.

[0011] Furthermore, the drainage device for aquaculture ponds according to this utility model also includes a vertical cylinder, which is connected to the large-diameter end.

[0012] Furthermore, the drainage device for aquaculture ponds according to this utility model also includes a support ring, which is sleeved on the vertical cylinder.

[0013] Furthermore, the drainage device for aquaculture ponds according to this utility model also includes a pull ring, which is connected to a pull rope.

[0014] Furthermore, the sealing ball has a rope-attaching hole that passes through it, and the rope-attaching hole is used to fix the pull rope.

[0015] Furthermore, the drainage device for aquaculture ponds according to this utility model also includes a pneumatic control valve, and the aquaculture pond air supply pipe or backwashing air pipe is equipped with a pneumatic control valve.

[0016] The advancements of this invention compared to the prior art are as follows:

[0017] This invention features a simple and practical process, is easy to manufacture and install, has low construction costs, is convenient to operate, can reduce labor intensity, better meet the drainage and sewage treatment needs of intensive and automated farms, and can be applied to farms of different scales.

[0018] Compared with traditional drainage outlet anti-escape nets and anti-escape pipes, this utility model is easier to operate, better solves the problem of removing uneaten feed, feces, and large organic particles, and is suitable for automated control systems, reducing manual labor. This utility model can discharge sewage in a timely manner, ensure smooth water circulation, maintain good water quality, ensure that the breeding pond is in a good growth environment, reduce diseases, improve survival rate, and greatly improve the economic benefits of large-scale and factory-style breeding. Attached Figure Description

[0019] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0020] Figure 1 is a structural schematic diagram of a drainage device for an aquaculture pond according to the present invention.

[0021] Figure 2 is a structural schematic diagram of an anti-escape plate in this utility model;

[0022] Figure 3 is a schematic diagram of the connection structure of the anti-detachment component, the anti-escape plate and the drainage component in this utility model;

[0023] Figure 4 is a schematic diagram of the anti-blocking ball in this utility model;

[0024] The component names corresponding to each number in the diagram are as follows:

[0025] 1-Drainage pipe for aquaculture pond, 3-Drainage component, 31-Constricted drainage body, 32-Vertical cylinder, 33-Support ring, 4-Anti-escape plate, 41-Drainage hole, 42-Slag discharge hole, 43-Installation groove, 5-Sealing ball, 51-Rope-tying hole, 6-Pull rope, 7-Pull ring, 8-Backwash air pipe, 9-Aquaculture pond air supply pipe, 10-Air control valve, 12-Anti-detachment component, 121-Pin seat, 1211-Pin hole, 122-Pin. Detailed Implementation

[0026] To enable those skilled in the art to better understand the technical solutions in this application, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings and embodiments. Obviously, the described embodiments are only a part of the embodiments of this application. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of this application. Embodiment 1

[0027] As shown in Figures 1 to 4, this utility model discloses a drainage device for aquaculture ponds, installed at the drain outlet of the pond to assist in drainage. The device comprises a drainage component 3, an escape-prevention plate 4, a sealing ball 5, a pull rope 6, a pond drainage pipe 1, and a backwashing air pipe 8. The drainage component 3 is closed on one side, with an inlet at one end and a outlet at the other. The escape-prevention plate 4 has multiple drainage holes 41 arranged in a concave circular shape, with a slag discharge hole 42 at its center. The escape-prevention plate 4 is connected to the drainage component 3 via multiple anti-detachment components 12. The sealing ball 5 seals the slag discharge hole 42. The pull rope 6 is connected to the sealing ball 5. The pond drainage pipe 1 is connected to the drainage component 3 and equipped with a drainage valve 2. One end of the backwashing air pipe 8 is connected to the drainage pipe 1 and located on the inlet side of the drainage valve 2, while the other end is connected to the pond air supply pipe 9.

[0028] Understandably, one end of the drainage pipe for the aquaculture pond is positioned at the drain outlet at the bottom of the pond, while the other end extends beyond the bottom of the pond. The drain valve is installed on the section of the drainage pipe outside the aquaculture pond.

[0029] An air supply pipe 9 or backwash pipe 8 for the aquaculture pond is equipped with an air control valve 10. When the air control valve is open, the gas in the aquaculture pond air supply pipe enters the backwash pipe, which then directs the gas into the aquaculture pond drain pipe. When the air control valve is closed, the backwash pipe stops supplying gas to the aquaculture pond drain pipe.

[0030] Understandably, when the backwash air pipe 8 is equipped with an air control valve 10, the air control valve 10 is installed on the section of the backwash air pipe located outside the breeding pond, which makes it convenient for the breeding personnel to operate the air control valve.

[0031] It should be noted that the air supply pipes for the aquaculture ponds are provided by the aquaculture farm's air supply system, which can use an air compressor. One specification of the air compressor is: power 22kw, capacity 30.3m³ / min, and speed 1230R / min.

[0032] The drainage pipe of the aquaculture pond is connected to the drainage system of the aquaculture farm.

[0033] As shown in Figures 1 and 2, the escape-prevention plate 4 has a concave circular structure. During installation, the escape-prevention plate convexes downward relative to the bottom of the aquaculture pond, forming a downward groove. This facilitates the rolling of the sealing ball to seal the slag discharge hole.

[0034] The escape-prevention plate can be a concave circle with a diameter of 25 cm to 55 cm and a concave depth of 3 cm to 5 cm. Diameter options include 25 cm, 30 cm, 35 cm, 40 cm, 45 cm, 50 cm, or 55 cm. Concave depth options include 3 cm, 4 cm, or 5 cm.

[0035] The diameter of the drainage hole 41 can be 2mm to 4mm. Commonly used diameters are 2mm, 3mm, or 4mm. This allows the excrement and uneaten feed from fish, shrimp, and crabs in the aquaculture pond to pass through and be discharged outside the pond.

[0036] The diameter of the slag discharge hole 42 can be 5 cm to 10 cm. Available diameters include 5 cm, 6 cm, 7 cm, 8 cm, 9 cm, or 10 cm. Pulling the rope on the sealing ball causes it to detach from the slag discharge hole, opening the slag discharge hole on the escape-proof plate and allowing large organic particles such as shrimp and crab shells to be discharged. Releasing the pull of the rope causes the sealing ball to automatically roll back onto the slag discharge hole, sealing it completely.

[0037] The diameter of the plugging ball can range from 10 cm to 20 cm. Specifically, diameters of 10 cm, 11 cm, 12 cm, 13 cm, 14 cm, 15 cm, 16 cm, 17 cm, 18 cm, 19 cm, or 20 cm are preferred. Understandably, when the diameter of the slag discharge hole is 5 cm, the preferred diameter of the plugging ball is any one of 10 cm to 20 cm. When the diameter of the slag discharge hole is 6 cm, the preferred diameter of the plugging ball is any one of 12 cm to 20 cm. When the diameter of the slag discharge hole is 7 cm, the preferred diameter of the plugging ball is any one of 14 cm to 20 cm. When the diameter of the slag discharge hole is 8 cm, the preferred diameter of the plugging ball is any one of 16 cm to 20 cm. When the diameter of the slag discharge hole is 9 cm, the preferred diameter of the plugging ball is any one between 18 cm and 20 cm. When the diameter of the slag discharge hole is 10 cm, the preferred diameter of the plugging ball is 20 cm.

[0038] During backwashing, the drain valve is closed and the air control valve is opened. Gas enters the backwashing air pipe 8 from the aquaculture tank air supply pipe 9. The backwashing air pipe 8 supplies air to the aquaculture tank drain pipe 1. The gas rushes upward from the bottom of the drain piece, pushing the pool water under the escape-proof plate upward to impact the drain hole on the escape-proof plate, thereby achieving backwashing of the drain hole on the escape-proof plate, thus clearing the drain hole and facilitating smooth drainage from the drain hole on the escape-proof plate.

[0039] It should be noted that during backwashing, the escape-prevention plate and the drainage component are connected by multiple anti-detachment components, which prevent the escape-prevention plate from moving upwards. When the drainage pipe of the aquaculture pond sprays air towards the bottom of the escape-prevention plate, pushing the aquaculture water to impact the escape-prevention plate, the multiple anti-detachment components ensure a stable connection between the escape-prevention plate and the drainage component, preventing the escape-prevention plate from moving upwards. Example 2

[0040] Compared with Embodiment 1, the difference lies in the following: a structure for the anti-detachment component is provided. As shown in Figure 3, the anti-detachment component 12 includes a pin seat 121 and a pin 122. The pin seat 121 is installed on the drainage component 3, and a pin hole 1211 is provided at the top. The pin 122 is inserted into the pin hole 1211 to prevent the pin seat 121 from detaching from the anti-escape plate 4.

[0041] To facilitate the connection between the anti-escape plate and the anti-detachment component, the anti-escape plate 4 is provided with an installation groove 43, which is used for the pin seat 121 to pass through the anti-escape plate 4. During installation, align the installation groove 43 on the anti-escape plate 4 with the corresponding pin seat 121 so that the pin seat passes through the installation groove.

[0042] It should be noted that when multiple pin seats are installed on the drainage component, multiple mounting slots are correspondingly provided on the anti-escape plate, so that each mounting slot corresponds to one pin seat. The number of anti-detachment components that can be installed is generally 2, 3, or 4, therefore, the number of pin seats can be 2, 3, or 4, and the corresponding number of mounting slots on the anti-escape plate can be 2, 3, or 4.

[0043] Understandably, removing the pins from the pin holes of the pin holder releases the pins from their restrictive function on the escape-proof plate. Once all the pins have been removed, the escape-proof plate can be detached from the pin holder, allowing for easy removal and maintenance of the escape-proof plate. Example 3

[0044] Compared with Embodiment 1 or 2, the difference is that a structure of the drainage component is provided. As shown in Figure 1, the drainage component 3 includes a constricted drainage body 31, which is a conical cylinder. The large-diameter end of the conical cylinder is the water inlet end, and the small-diameter end is the drainage end, which is connected to the drainage pipe 1 of the aquaculture pond.

[0045] The large-diameter end of the constricted drainage body 31 is used for water intake, while the small-diameter end is used for water discharge. This can help increase the flow rate of the discharged water, thereby facilitating the flushing of the pipe wall of the aquaculture pond drainage pipe.

[0046] When using the drainage component, install it at the drain outlet of the aquaculture pond and seal the top side of the component with the perimeter of the drain outlet to prevent water from leaking out of the pond through the connection between the drainage component and the bottom of the pond. Example 4

[0047] The difference from Embodiment 2 is that a vertical cylinder 32 is added. As shown in Figure 1, the vertical cylinder 32 is connected to the large-diameter end of the conical cylinder.

[0048] To facilitate the quick installation of the vertical cylinder and constricted drainage body at the drainage outlet of the aquaculture pond, a support ring 33 is added. The support ring 33 is fitted onto the vertical cylinder 32. The support ring provides support and reinforcement to the vertical cylinder. Example 5

[0049] Compared with any of Examples 1-3, the difference is that a pull ring 7 is added to facilitate pulling the pull rope. The pull ring 7 is connected to the pull rope 6.

[0050] When the sealing ball needs to be pulled, the aquaculture worker holds the pull ring and pulls the rope outward relative to the aquaculture pond. The rope moves the sealing ball, causing it to roll away from the slag discharge hole. When the pull ring is released, the rope releases its pulling force on the sealing ball, and the sealing ball automatically rolls back to the slag discharge hole, thus resealing the slag discharge hole. Example 6

[0051] Compared with any of Examples 1-4, the difference is that, in order to facilitate the fixing of the rope to the blocking ball, as shown in Figure 4, the blocking ball 5 is provided with a rope-tying hole 51 that passes through the blocking ball 5. The rope-tying hole 51 is used to fix the rope 6.

[0052] When in use, thread one end of the pull rope through the rope-tying hole, then fold it back and tie it to the pull rope to fix the pull rope to the blocking ball.

[0053] According to the above embodiments, the working principle of this utility model is as follows:

[0054] (1) Drainage component manufacturing: Design drainage component 3 and drainage pipe 1 of the aquaculture pond with suitable drainage volume according to the specifications of the aquaculture pond. The drainage component 3 is made of PP sheet by hot melting welding into a funnel shape. The insert seat 121 is made of PP sheet by hot melting welding into a triangular shape at a distance of 10 cm to 15 cm from the edge of the funnel opening.

[0055] (2) Drainage and escape prevention plate manufacturing: Design the escape prevention plate according to the specifications of the funnel body, and open the slag discharge hole 42 and multiple drainage holes 41 on the bottom of the aquaculture pond drainage pipe corresponding to the drainage component on the escape prevention plate, and open the pin hole 1211 on the pin seat 121.

[0056] (3) Making the sealing ball: Design the size of the sealing ball according to the specifications of the slag discharge hole of the escape plate. When the sealing ball covers the slag discharge hole, the volume of the sealing ball should be more than two-thirds higher than the slag discharge hole. The sealing ball has a pre-reserved rope hole.

[0057] (4) Drainage device installation: Install the drainage component 3 at the drain outlet at the bottom of the aquaculture pond and connect it to one end of the aquaculture pond drain pipe 1 located at the drain outlet. The other end of the aquaculture pond drain pipe 1 extends out of the bottom of the aquaculture pond. Install the drain valve 2 on the section of the aquaculture pond drain pipe located outside the aquaculture pond. The large diameter end of the funnel-shaped drainage component 3 faces upward and is fixed to the bottom of the pond. Then, put the escape-proof plate 4 into the drainage component 3. Each mounting groove 43 on the escape-proof plate 4 corresponds to the pin seat 121 installed on the drainage component 3. The pin seat 121 passes through the mounting groove 43. Then insert the pin 122 into the pin hole 1211 on the pin seat 121 to restrict the escape-proof plate 4 inside the drainage component. After tying one end of the pull rope 6 to the sealing ball 5, place the sealing ball 5 on the anti-escape plate 4. The sealing ball 5 can roll and fall into the slag discharge hole 42 to seal the slag discharge hole. The other end of the pull rope 6 extends out of the breeding pond. Finally, connect the backwash air pipe 8 to the drain pipe 1 extending out of the bottom of the breeding pond. The connection point between the backwash air pipe 8 and the drain pipe of the breeding pond is located on the inlet side of the drain valve.

[0058] (5) Use of drainage device: Open the drainage valve outside the breeding pond to allow the excrement and uneaten feed of the fish, shrimp, crabs, etc. in the pond to be discharged through the drainage holes on the escape-proof plate; if the drainage flow slows down or decreases, pull the rope, the rope pulls the sealing ball, the sealing ball rolls away from the slag discharge hole, allowing large organic particles such as shrimp shells and crab shells to be discharged into the slag discharge hole, and then loosen the rope to allow the sealing ball to automatically roll back to the slag discharge hole on the escape-proof plate to seal the slag discharge hole. Then close the drainage valve 2 and open the air control valve 10. The pressurized gas in the aquaculture pond air supply pipe rushes into the backwash air pipe 8. The backwash air pipe 8 introduces the pressurized gas into the drainage pipe 1. The pressurized gas then pushes the pond water upward from the bottom of the drainage component 3 through the drainage pipe 1. The pond water impacts upward from the bottom of the escape-proof plate 4 to flush the drainage hole 41 on the escape-proof plate 4 and unclog the drainage hole. Each flushing time can be 20 to 30 minutes, and can be repeated multiple times until the drainage hole drains normally.

[0059] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A drainage device for aquaculture ponds, characterized in that: The system includes a drainage component (3), which is closed on the side and has an inlet end and a drain end at the other end; an escape-proof plate (4), which has multiple drainage holes (41) distributed on it and has a concave circular structure, and a slag discharge hole (42) is provided in the center of the escape-proof plate (4). The escape-proof plate (4) and the drainage component (3) are connected by multiple anti-detachment components (12); a sealing ball (5), which seals the slag discharge hole (42); a pull rope (6), which is connected to the sealing ball (5); a breeding pond drainage pipe (1), which is connected to the drainage component (3) and is equipped with a drain valve (2); and a backwashing air pipe (8), which has one end connected to the breeding pond drainage pipe (1) and located on the side of the inlet of the drain valve (2), and the other end connected to the breeding pond air supply pipe (9).

2. The aquaculture pond drainage device according to claim 1, characterized in that: The anti-detachment component (12) includes a pin seat (121), which is installed on the drainage component (3) and has a pin hole (1211) on the top; and a pin (122), which is inserted into the pin hole (1211) to prevent the pin seat (121) from detaching from the anti-escape plate (4).

3. The aquaculture pond drainage device according to claim 2, characterized in that: The escape prevention plate (4) is provided with an installation groove (43), which is used for the insertion pin seat (121) to pass through the escape prevention plate (4).

4. The drainage device for aquaculture ponds according to claim 1, characterized in that: The drainage component (3) includes a constricted drainage body (31), which is a conical cylinder. The large-diameter end of the conical cylinder is the water inlet end, and the small-diameter end is the drainage end, which is connected to the drainage pipe (1).

5. The aquaculture pond drainage device according to claim 4, characterized in that: It also includes a vertical tube (32), which is connected to the large-diameter end.

6. The drainage device for aquaculture ponds according to claim 5, characterized in that: It also includes a support ring (33), which is sleeved on the vertical cylinder (32).

7. The aquaculture pond drainage device according to claim 1, characterized in that: It also includes a pull ring (7) which is connected to a pull rope (6).

8. The aquaculture pond drainage device according to any one of claims 1-7, characterized in that: The sealing ball (5) has a rope-tying hole (51) that passes through the sealing ball (5), and the rope-tying hole (51) is used to fix the pull rope (6).

9. The aquaculture pond drainage device according to claim 1, characterized in that: It also includes a pneumatic control valve (10), which is installed on the aquaculture pond air supply pipe (9) or backwash air pipe (8).

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