Inclined baffle type flushing and dirt collecting device for aquaculture

Abstract

The invention relates to the technical field of aquaculture, in particular to an inclined baffle type flushing and dirt collecting device for aquaculture. An inclined baffle type flushing and dirt collecting device for aquaculture comprises a bottom plate making contact with the bottom of a culture pond, an angle-adjustable upper plate is movably installed at one end of the bottom plate, side plates cover the two side faces of the bottom plate and the two side faces of the upper plate and can completely cover a gap between the bottom plate and the upper plate, and filter screens cover the tail ends of the bottom plate and the upper plate. And a material box is placed on the bottom plate. One end of the bottom plate is movably provided with the angle-adjustable upper plate, the angle can be adjusted according to a breeding scene to adapt to pollutant guiding requirements, the two sides of the bottom plate and the upper plate cover the side plates, gaps generated by angle adjustment can be completely covered, pollutant backflow caused by sewage leakage during flushing is prevented, and the tail ends of the bottom plate and the upper plate are jointly covered with the filter screen to intercept breeding objects and prevent the breeding objects from entering a sewage collection device; the material box is placed on the bottom plate, pollutants intercepted by the filter screen are collected, follow-up cleaning and transferring are facilitated, and efficient convergence, interception and collection of the pollutants in the culture pond are achieved.

Description

Technical Field

[0001] The invention relates to the technical field of aquaculture, in particular to an inclined baffle type flushing and sewage collecting device for aquaculture. Background Art

[0002] Aquaculture is a vital component of modern agriculture. With the rapid expansion of large-scale, intensive aquaculture models, the efficient removal of pollutants such as leftover bait, feces, and metabolic waste from aquaculture ponds has become a key component in ensuring stable water quality, reducing disease outbreaks, and improving the quality and profitability of aquaculture products. Currently, the industry's main sewage collection methods for aquaculture ponds include manual cleaning, bottom drainage pipes, mechanical scraping equipment, and centralized sewage collection devices. Centralized sewage collection is widely used in small and medium-sized freshwater aquaculture ponds and in localized sewage collection scenarios in industrial recirculating aquaculture systems due to its advantages such as ease of operation, minimal interference with the activities of aquaculture organisms, and the lack of complex underground piping.

[0003] However, existing sewage collection devices still have many technical defects in practical applications, making it difficult to meet the needs of modern aquaculture with high efficiency, flexibility and low maintenance. The specific problems are as follows: The core principle of the central sewage collection system, currently widely used in aquaculture, relies on a preset fixed slope at the bottom of the aquaculture pond (usually 1.5%-3%) to guide pollutants such as leftover bait and feces to naturally settle to a sewage outlet at the center of the pond. The pollutants are then discharged through a sewage pump or siphon device. In practical application, this technology has the following limitations that are difficult to overcome: 1. Low pollutant collection efficiency and the existence of cleaning blind spots Centralized sewage collection relies entirely on a combination of natural sedimentation and slope guidance, making it extremely ineffective in actively directing pollutants. Firstly, lightweight pollutants such as leftover bait and floating feces remain suspended in the water for long periods of time, making it difficult for them to quickly settle to the bottom. Some pollutants can even be carried by the circulating water within the aquaculture pond to areas outside the center. Secondly, due to the limitations of the pond's shape (e.g., square and rectangular ponds), the water flow makes sharp turns at right angles and collides with the pond walls, creating areas of low flow velocity and "dead water zones" where solid waste accumulates and becomes difficult to discharge. The distances between the corners and edges of the pond floor and the central outfall vary significantly, making slope guidance incomplete and creating blind spots. For example, in a 10m x 10m square aquaculture pond, the distance from the corners to the central outfall can be over 7m. Pollutants must travel a considerable distance to converge, resulting in low collection efficiency. The long-term accumulation of residual pollutants can breed harmful bacteria, exacerbating water quality deterioration.

[0004] 2. Poor scene adaptability and inability to flexibly adjust The core of centralized sewage collection relies on a "fixed-slope pool bottom". Once the aquaculture pond is built, its sewage collection path and angle are completely fixed and cannot be adjusted according to changes in the aquaculture scenario: if the aquaculture species is changed (for example, from aquaculture of adult fish to aquaculture of shrimp fry), the shrimp fry have a small range of activity and the pollutants are more dispersed, and the fixed slope cannot adapt to the needs of gathering dispersed pollutants; for the renovation of old ponds, the centralized sewage collection needs to re-cast the pool bottom to form a fixed slope. The renovation cost is high and the construction period is long, which makes it difficult to meet the flexible adjustment needs of small and medium-sized aquaculture households.

[0005] 3. High biosafety risk in aquaculture, prone to accidental aspiration losses The central sewage collection outlet is typically located in the center of the pond bottom, and to ensure effective sewage extraction, the sewage pump must maintain high suction. This design can easily lead to two problems: First, young and weak aquaculture organisms (such as shrimp and fish fry less than 3 cm in length) are easily sucked into the outlet, causing direct losses; second, the rapid water flow around the outlet can form localized "vortexes," disrupting the normal habitat of aquaculture organisms, especially those living in the bottom of the pond (such as crabs and shellfish).

[0006] 4. High energy consumption and maintenance costs, poor operational stability In order to push pollutants to converge centrally, the central sewage collection system needs to be equipped with high-power suction pumps and water push pumps for continuous operation, resulting in high long-term operating costs. At the same time, the sewage outlet is easily clogged by leftover bait and feces, and requires regular shutdown and disassembly for cleaning. Cleaning and maintenance are relatively difficult, which not only affects the continuity of aquaculture, but also causes fluctuations in water quality in the pond due to shutdown, increasing the risk of disease transmission.

[0007] In view of the above-mentioned defects, the designer has actively carried out research and innovation in order to create an inclined baffle type flushing and sewage collection device for aquaculture, so as to make it more valuable for industrial use. Summary of the Invention

[0008] In order to solve the above technical problems, the purpose of the present invention is to provide an inclined baffle type flushing and sewage collection device for aquaculture.

[0009] The present invention provides an inclined baffle-type flushing and sewage collection device for aquaculture, comprising a bottom plate in contact with the bottom of a culture pond, an upper plate with an adjustable angle movably mounted on one end of the bottom plate, side plates covering both sides of the bottom plate and the upper plate, the side plates completely covering the gap between the bottom plate and the upper plate, a filter screen covering the tail ends of the bottom plate and the upper plate, and a material box placed on the bottom plate.

[0010] An upper plate with flexible angle adjustment is assembled at one end of the bottom plate through a movable connection. By adjusting the inclination angle of the upper plate, it can adapt to the guidance requirements of pollutants in different breeding scenarios. At the same time, in order to ensure the sealing of both sides of the device and the integrity of the sewage collection area, both sides of the bottom plate and the upper plate are covered with side panels, and the side panels can completely cover the gap between the bottom plate and the upper plate that may be caused by angle adjustment, effectively avoiding the backflow of pollutants caused by sewage leakage from the side during flushing. In addition, in order to intercept pollutants that move with the water flow during flushing and prevent them from re-entering the breeding pond, the tail ends of the bottom plate and the upper plate are jointly covered with a filter, and the material box for collecting pollutants intercepted by the filter is directly placed on the bottom plate, which is convenient for subsequent centralized cleaning and transportation of pollutants. The overall structure realizes the efficient aggregation, interception and collection of pollutants in the breeding pond through the coordinated cooperation of various components.

[0011] Furthermore, a bottom bracket is movably installed on one side or both sides of the bottom plate through a bearing, a support rod is movably installed in the bottom bracket through a bearing, the upper end of the support rod has a threaded section, and a screw sleeve is movably installed on one side or both sides of the upper plate through a bearing, the threaded section of the support rod is screwed into the screw sleeve, and the upper plate is driven to deflect at an angle through the rotation of the support rod.

[0012] The device forms an adjustable support structure by movably installing a base bracket on one or both sides of the base plate using bearings, and movably installing a support rod with a threaded section at the upper end in the base bracket using bearings. At the same time, a screw sleeve is movably installed on one or both sides of the upper plate using bearings, and the threaded section of the support rod is screwed into the screw sleeve to form a adjustable support structure. When the support rod is rotated, its threaded section will move relative to the screw sleeve, thereby driving the upper plate to deflect at an angle around the movable connection end with the base plate, thereby realizing flexible adjustment of the inclination angle of the upper plate.

[0013] Furthermore, there are outwardly expanding placement grooves on both sides of the bottom plate, and the bottoms of the side plates are snapped into the placement grooves.

[0014] In order to achieve stable assembly of the side panels and the bottom panel, the device is designed with outward-expanding placement grooves on both sides of the bottom panel. During installation, the bottom of the side panel is correspondingly inserted into the placement groove. The placement groove limits the bottom of the side panel, which can not only quickly complete the positioning and installation of the side panel, but also enhance the stability of the connection between the side panel and the bottom panel. At the same time, the side panel covers the gap between the bottom panel and the upper panel, further improving the sealing of both sides of the device to avoid sewage leakage from the connection between the side panel and the bottom panel during flushing and sewage collection.

[0015] Furthermore, magnetic strips are embedded in both side walls of the bottom plate and the upper plate, and the side plates are made of magnetic metal.

[0016] In order to further optimize the connection sealing and adaptability between the side panels and the bottom panel and the upper panel, the device embeds magnetic strips inside the two side walls of the bottom panel and the upper panel, and the side panels are made of magnetic metal materials. During installation, the magnetic attraction force between the magnetic strips and the magnetic metal side panels is used to make the side panels fit tightly on the side walls of the bottom panel and the upper panel. Not only can the side panels be assembled and disassembled quickly, but they can also automatically adapt to the gap changes as the angle of the upper panel is adjusted, and the side panels always maintain effective coverage of the gap between the bottom panel and the upper panel, avoiding sewage leakage from the sides during flushing and sewage collection, and improving the overall sealing reliability of the device.

[0017] Furthermore, a plurality of guide grooves are provided on the surface of the bottom plate, the cross section of the guide grooves is narrow at the top and wide at the bottom, and the bottom of the material box is provided with guide blocks that cooperate with the guide grooves.

[0018] In order to achieve accurate positioning and stable placement of the material box on the base plate, the device is provided with multiple guide grooves on the surface of the base plate, and the cross-section of the guide groove is designed to be narrow at the top and wide at the bottom. At the same time, a guide block matching the guide groove is provided at the bottom of the material box. When installing the material box, it is only necessary to embed the guide block at the bottom into the guide groove of the base plate. The lateral and longitudinal displacement of the material box can be limited by the cooperation of the guide groove and the guide block, so as to avoid the displacement or tipping of the material box due to the impact of water flow during the flushing and sewage collection process. The cross-sectional structure of the guide groove with narrow top and wide bottom can further enhance the embedding stability of the guide block, prevent the material box from accidentally falling out of the guide groove, and facilitate the subsequent rapid pulling out of the material box for pollutant cleaning.

[0019] Furthermore, magnetic strips are embedded in the outer end surfaces of the bottom plate and the upper plate, and the filter screen is made of magnetic metal. The filter screen is flexible and can be attached to the outer end surfaces of the bottom plate and the upper plate.

[0020] The device embeds magnetic strips on the outer end surfaces of the bottom plate and the upper plate. At the same time, the filter is made of magnetic metal material and is designed to be flexible. During installation, the magnetic attraction between the magnetic strips and the magnetic metal filter is utilized to make the filter fit tightly on the outer end surfaces of the bottom plate and the upper plate. This can quickly complete the assembly and disassembly of the filter, making it convenient for subsequent cleaning or replacement, and allows the flexible filter to flexibly deform as the angle of the upper plate is adjusted, always keeping in contact with the outer end surfaces of the bottom plate and the upper plate, ensuring effective interception of pollutants and avoiding the leakage of pollutants due to gaps.

[0021] Furthermore, a cover plate is movably installed at one end of the material box through a hinge, a lifting ring is provided on the cover plate, and a hook that cooperates with the lifting ring is provided on the inner side of the upper plate.

[0022] The device has a cover installed on one end of the material box through a hinge. The cover can be flipped around the hinge to open and close the material box. At the same time, a lifting ring is provided on the cover, and a hook corresponding to the lifting ring is provided on the inner side of the upper plate. When it is necessary to open the cover for cleaning or maintenance of the material box, the cover can be flipped over and hung on the hook through the lifting ring. This can not only fix the open state of the cover to prevent it from shaking randomly and affecting the operation, but also prevent the cover from blocking the dirt collection area or interfering with other components after being flipped over, thereby improving the convenience of using the device.

[0023] Furthermore, a plurality of arc-shaped water guide plates are provided on the outer sides of the side plates, and the lengths of the water guide plates gradually increase.

[0024] The device is equipped with multiple arc-shaped water guide plates on the outside of the side plates, and the lengths of these water guide plates gradually increase in a certain order. The arc-shaped structure can guide the external flushing water in an orderly manner to avoid turbulent vortexes on the outside of the side plates. At the same time, the design of gradually increasing length can form a gradient guidance of water flow from the area close to the device to the area far away from the device, and more efficiently gather the pollutants dispersed in the breeding pond to the pollution collection area composed of the bottom plate and the upper plate, reduce the spread of pollutants due to water flow turbulence, and improve the overall pollution collection efficiency.

[0025] Furthermore, the radius of the water guide plate gradually increases.

[0026] In addition to the length of the water guide plate of this device gradually increasing, its curvature radius also gradually increases in the same order. This design of increasing curvature radius can further optimize the guiding effect of the flushing water flow. From the inner water guide plate close to the side plate to the outer water guide plate far from the side plate, as the curvature radius gradually increases, the guidance range of the water flow is gradually expanded, which can more smoothly converge the dispersed water flow and pollutants in different areas of the breeding pond to the sewage collection area composed of the bottom plate and the upper plate, avoiding the stagnation or turbulence of the water flow in the outer area due to the consistent curvature of the water guide plate, and further improving the efficiency and stability of flushing and sewage collection.

[0027] Furthermore, the cover plate is transparent, and a visual probe is embedded in the inner side of the upper plate, and the visual probe is connected to the PC through an electrical signal.

[0028] The cover of the device is made of transparent material, which makes it easy for staff to visually observe the collection of pollutants inside the material box. At the same time, a visual probe is embedded on the inner side of the upper plate, and the visual probe is connected to the external PC device through electrical signals. The transparent cover will not block the monitoring field of view of the visual probe, so that the visual probe can clearly capture the fullness of pollutants in the material box, the accumulation status of pollutants and other images, and transmit real-time monitoring data to the PC through electrical signals. Staff can view the monitoring information remotely through the PC without frequent on-site inspections, and can timely grasp the pollution collection situation to arrange material box cleaning or adjust the operating parameters of the device, thereby improving the convenience and timeliness of operation and maintenance.

[0029] By means of the above solution, the present invention has at least the following advantages: This invention addresses the technical shortcomings of existing aquaculture sewage collection devices, such as low pollutant collection efficiency, turbulent water flow, poor scene adaptability, high risk of aquaculture organism aspiration, high energy consumption costs, and delayed operation and maintenance. Through the collaborative innovative design of various core components, the device's sewage collection efficiency, operational flexibility, and operational convenience are significantly improved. The specific beneficial effects are as follows: 1. Active guidance + flushing coordination This invention breaks through the logic of "passive sedimentation" of central sewage collection and actively guides the direction of pollutants through the upper plate with adjustable angle. The pollutants can be directed to the filter end according to the distribution of pollutants (for example, if they are concentrated at the edge of the pool, the inclination angle of the upper plate can be increased, and if they are dispersed, the angle can be reduced). At the same time, it cooperates with the existing flushing system of the aquaculture pond (no additional equipment is required) to use the impact force of the water flow to accelerate the convergence of pollutants and avoid the spread of light pollutants.

[0030] 2. Adapt to multiple scenarios without any modification The present invention does not rely on a fixed slope pool bottom. The bottom plate can be directly attached to the bottom of the existing aquaculture pond. The angle of the upper plate can be adjusted by adjusting components (such as bolts) to adapt to different aquaculture scenarios: When raising adult fish, increase the upper plate tilt angle (20-30°) to accelerate the accumulation of large amounts of pollutants; when raising shrimp fry, reduce the angle (5-10°) to adapt to the slow guidance of dispersed pollutants; When renovating an old pool, there is no need to pour a new pool bottom. You only need to fix one or more devices to the edge of the pool bottom or a designated area. It is easy to install, has low renovation costs, and is easy to maintain.

[0031] 3. Filter interception + low flow rate design to avoid the risk of biological aspiration The present invention arranges special filters at the tail ends of the bottom plate and the upper plate (the mesh size can be customized according to the body size of the cultured organisms, such as 0.5mm mesh for shrimp fry ponds and 2mm mesh for adult fish ponds), which can accurately intercept pollutants and at the same time prevent the cultured organisms from entering the pollution collection area; in addition, the water flow guidance of the device relies on the "gentle slope guidance" of the inclined baffle, rather than the high-suction and strong extraction of the central sewage collection, and will not form vortexes or strong suction areas, fundamentally avoiding problems such as accidental inhalation of seedlings and interference with the habitat environment.

[0032] 4. Low energy consumption + easy maintenance, low operating costs The present invention can directly utilize the existing water exchange and flushing system of the aquaculture pond (such as the flushing function attached to the aerator), without the need to install an additional high-power sewage suction pump; at the same time, the pollutants are intercepted by the filter and directly fall into the material box on the bottom plate. When cleaning, it is only necessary to pull out the material box and dump it, without stopping the machine for disassembly, and maintenance is convenient; the aquaculture pond can be equipped with multiple devices according to the situation, and the devices are easy to replace, avoiding the risk of water quality fluctuations due to downtime.

[0033] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate a certain embodiment of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0035] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 The present invention Figure 1 Schematic diagram of the structure without the filter screen and side panels; Figure 3 The present invention Figure 2 A partial enlarged schematic diagram; Figure 4 This is a schematic structural diagram of the material box and the upper plate of the present invention; Figure 5 The present invention Figure 4 A partial enlarged schematic diagram; In the figure, 1, bottom plate, 2, upper plate, 3, side plate, 4, filter screen, 5, material box, 6, bottom support, 7, support rod, 8, screw sleeve, 9, placement groove, 10, guide groove, 11, guide block, 12, cover plate, 13, lifting ring, 14, hook, 15, water guide plate. DETAILED DESCRIPTION

[0036] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention but are not intended to limit the scope of the present invention.

[0037] The following is combined with Figure 1-5 , a preferred embodiment of an inclined baffle type flushing and sewage collection device for aquaculture of the present invention is described in detail. This embodiment is only used to explain the present invention and does not limit the scope of protection of the present invention.

[0038] 1. Overview of the embodiment structure The inclined baffle-type flushing and sewage collection device for aquaculture described in this embodiment is suitable for small and medium-sized freshwater aquaculture ponds (pond depth 1.2-2.0m) and local sewage collection areas of industrial recirculating aquaculture systems. Its core structure achieves efficient sewage collection through the collaboration of a bottom plate 1, an angle-adjustable upper plate 2, a sealing side plate 3, an intercepting filter 4, a pollutant collection material box 5, and auxiliary adjustment components. The specific structure is detailed below with reference to the accompanying drawings: 2. Structure and assembly details of each component (1) Assembly and angle adjustment structure of bottom plate 1 and upper plate 2 Structure of bottom plate 1: bottom plate 1 is made of 304 stainless steel with a thickness of 5-8mm and is rectangular in shape (length 1.5-2.0m, width 0.8-1.0m). Its bottom is in contact with the bottom of the breeding pond through a non-slip rubber pad to prevent the device from shifting during flushing; a hinge seat (unnumbered, adapted to the hinge axis of the upper plate 2) is provided at one end of the bottom plate 1 close to the sewage discharge end of the breeding pond for movable connection with the upper plate 2.

[0039] Upper plate 2) Structure: Upper plate 2) is also made of 304 stainless steel, with a thickness of 4-6mm. Its length is the same as that of bottom plate 1) (1.5-2.0m), and its width is 0.6-0.8m. One end of the upper plate is hinged to the hinge seat of bottom plate 1) through a hinge axis and can be flipped around the hinge axis to achieve angle adjustment (adjustment range: 15°-45°).

[0040] Angle adjustment components (base 6, support rod 7, screw sleeve 8): As attached Figure 2 、 3 As shown, two bottom brackets 6 are symmetrically arranged on both sides of the width direction of the bottom plate 1. The bottom bracket 6 is a U-shaped stainless steel bracket, and its bottom is movably connected to the bottom plate 1 through a deep groove ball bearing and can rotate slightly around the bearing axis; The support rod 7 is movably mounted in the U-shaped groove of the bottom bracket 6 through a deep groove ball bearing of the same model. The support rod 7 is a stainless steel rod with a diameter of 12-16 mm. The upper 20-30 cm section is processed with an M10-M12 external thread section, and the lower end is welded with a hexagonal adjustment knob (to facilitate tool rotation); On both sides of the width direction of the upper plate 2, corresponding to the position of the bottom bracket 6, there are screw sleeves 8 welded. The screw sleeves 8 are stainless steel sleeves with internal threads (matching the external threads of the support rod 7) on the inner wall, and the screw sleeves 8 are movably connected to the side walls of the upper plate 2 through bearings; During assembly, the threaded section of the support rod 7 is screwed into the screw sleeve 8 to form a triangular support structure of "base 6-support rod 7-screw sleeve 8"; when the adjustment knob of the support rod 7 is rotated clockwise, the threaded section is screwed into the screw sleeve 8, pushing the upper plate 2 to flip upward around the hinge axis, and the inclination angle increases; when rotated counterclockwise, the threaded section is unscrewed from the screw sleeve 8, and the upper plate 2 flips downward under the action of its own gravity, and the inclination angle decreases, realizing stepless adjustment within the range of 0°-45°.

[0041] (2) Sealing and assembly structure of side panel 3 Design of placement slot 9: as shown in the attached Figure 2 As shown, on both side edges in the width direction of the bottom plate 1, outward-expanding placement grooves 9 are opened along the length direction. The placement grooves 9 are "U"-shaped grooves (groove width 15-20mm, groove depth 10-15mm), and rubber sealing gaskets are pasted on the inner wall of the groove to enhance the sealing between the side panels 3 and the bottom plate 1.

[0042] Side panels 3 and magnetic strips: Side panels 3 are made of magnetic iron alloy (3-5mm thick), and their height matches the overall height of the upper panel 2 at maximum tilt (0.5-0.8m). NdFeB magnetic strips (5mm thick, 10mm wide) are embedded along the length of the inner sides of both side walls of the bottom panel 1 and the inner sides of both side walls of the upper panel 2, with the surface of the magnetic strips flush with the wall surface. During assembly, the bottom of the side panel 3 is vertically inserted into the placement groove 9. At this time, the inner side of the side panel 3 is adsorbed and fitted with the magnetic strips on the side walls of the bottom plate 1 and the upper plate 2, which not only achieves quick positioning (no bolt fixation is required), but also can automatically adapt to the gap as the angle of the upper plate 2 is adjusted - when the upper plate 2 is flipped over, the side panel 3 always fits tightly against the side walls of the bottom plate 1 and the upper plate 2 under the action of magnetic attraction, completely covering the gap between the two, and preventing sewage from leaking from the side during flushing.

[0043] (III) Positioning of the Material Box 5 and the Structure of the Cover Plate 12 The guide groove 10 cooperates with the guide block 11: Figure 2 、 4 As shown, 3-5 guide grooves 10 are provided in parallel along the length direction on the upper surface of the base plate 1. The cross section of the guide groove 10 is a trapezoid with a narrow top and wide bottom (20mm in width at the top, 30mm in width at the bottom, and 15mm in depth). The material box 5 is a rectangular parallelepiped structure with an open top, made of food-grade PP plastic, with a length of 0.8-1.0m, a width of 0.6-0.8m, and a height of 0.4-0.5m. Guide blocks 11 corresponding to the guide grooves 10 are welded to its bottom, and the cross section of the guide blocks 11 is a trapezoid that matches the guide grooves 10. When installing the material box 5, align the guide block 11 with the guide groove 10 and push it along the groove. The trapezoidal structure can limit the up and down, left and right displacement of the material box 5 to prevent it from being offset or tipped over by the impact of flushing water. When cleaning, you only need to pull it outward along the guide groove 10 to take out the material box 5, which is convenient to operate.

[0044] Cover plate 12 cooperates with lifting ring 13 and hook 14: Figure 4 、 5 As shown, the end of the material box 5 near the upper plate 2 is movably mounted with a cover plate 12 via a hinge (model 304 stainless steel hinge). The cover plate 12 is made of transparent acrylic (5mm thick) to facilitate observation of the internal contaminant filling. Two stainless steel rings 13 (8mm diameter) are welded to the end of the cover plate 12 away from the hinge. An "L"-shaped stainless steel hook 14 (20mm high) is welded to the inner wall of the upper plate 2 at the position corresponding to the ring 13. When the material box 5 needs to be cleaned, the cover 12 is flipped upwards until it fits against the inner side of the upper plate 2, and the ring 13 is hung in the hook 14 to fix the cover 12 in the open state to prevent it from shaking and blocking the dirt collection area or interfering with the water flow; after the cleaning is completed, the ring 13 is removed and the cover 12 is lowered to close the material box 5 to prevent the spread of pollutants and odors or the accidental entry of cultured organisms.

[0045] (IV) Adaptation and interception structure of filter 4 As attached Figure 1 As shown, the "tail end" of the bottom plate 1 and the upper plate 2 away from the hinge connection end (i.e., the end close to the center of the aquaculture pond, whose end surface is embedded with a strip-shaped NdFeB magnetic strip (compatible with the side plate 3) along the width direction); the filter screen 4 uses a flexible magnetic iron alloy mesh (mesh aperture 0.3-0.5mm), the width of which is consistent with the width of the bottom plate 1 and the upper plate 2, and the height is adapted to the overall height of the tail ends of the two; During assembly, the filter screen 4 fits tightly on the tail end surfaces of the bottom plate 1 and the upper plate 2 through magnetic attraction. The flexible material can flexibly deform as the angle of the upper plate 2 is adjusted, and always covers the tail end without a gap, ensuring that pollutants such as leftover bait and feces that move with the water flow during flushing are completely intercepted to avoid leakage; when the filter screen 4 is blocked, it can be removed and cleaned by manual peeling without disassembling other parts, and the maintenance efficiency is high.

[0046] (V) Water flow guiding structure of water guide plate 15 As attached Figure 1 As shown, on the outer walls of the side panels 3 on both sides, 4-6 arc-shaped water guide plates 15 are evenly welded along the height direction. The water guide plates 15 are made of 304 stainless steel (thickness 2-3mm), and the arc direction is toward the center of the breeding pond (i.e., the direction of water flow); The length of the water deflector 15 gradually increases from the lower end near the bottom plate 1 to the upper end near the upper plate 2 (for example, the length of the water deflector at the lower end is 100 mm, the length of the water deflector at the upper end is 200 mm, and the length difference between adjacent water deflectors is 20-30 mm), and the arc radius gradually increases synchronously (the arc radius of the water deflector at the lower end is 50 mm, the arc radius of the water deflector at the upper end is 150 mm, and the arc radius difference between adjacent water deflectors is 20-30 mm); This design allows the water flow ejected by external flushing equipment (such as high-pressure water guns and circulating water nozzles) to form a "gradient-type orderly water flow" after being guided by the water guide plate 15 - the inner water guide plate 15 close to the side plate 3 guides the short-range water flow to converge quickly to the pollution collection area, and the outer water guide plate 15 away from the side plate 3 expands the guidance range, gradually guiding the pollutants dispersed on the bottom of the pool toward the filter 4, avoiding the turbulence of the water flow to form a vortex to disperse the pollutants.

[0047] (6) Monitoring structure of visual probe An industrial-grade visual probe (Hikvision DS-2CD3T46WD-I3) is embedded in the middle of the inner wall of the upper plate 2, with the probe lens facing the interior of the material box 5. The transparent acrylic material of the cover 12 is completely transparent to light and does not block the probe's field of view. The visual probe establishes an electrical signal connection with the external PC terminal via a waterproof cable (which runs along the inner wall of the upper plate 2 and passes through the side wall of the aquaculture tank). During operation, the visual probe captures the filling level of pollutants in the material box 5 (such as whether it reaches 80% of the box volume) and the accumulation status of pollutants (such as whether local blockage occurs) in real time, and transmits the image data to the PC. The staff can view it remotely through the PC without the need to frequently go down to the pool for inspection; when it is monitored that the pollutants are overflowing, cleaning can be arranged in time to prevent the pollutants from flowing back into the breeding pond.

[0048] 3. Overall assembly process Place the bottom plate 1 in the preset sewage collection area of ​​the aquaculture pond and fix it in place with the anti-slip rubber pad at the bottom; The hinge shaft of the upper plate 2 is hinged to the hinge seat of the bottom plate 1 to complete the movable connection between the two; Install the bottom brackets 6 on both sides of the bottom plate 1, install the support rod 7 into the bottom bracket 6 and screw it into the screw sleeve 8 of the upper plate 2 to assemble the angle adjustment component; Insert the bottom of the side panel 3 into the placement groove 9 of the bottom panel 1, and use the magnetic attraction to fit the bottom panel 1 and the upper panel 2; Attach the filter 4 to the tail ends of the bottom plate 1 and the upper plate 2 through magnetic attraction; Align the guide block 11 of the material box 5 with the guide groove 10 of the bottom plate 1 and push it in to complete the positioning; Install the cover plate 12, and embed the visual probe inside the upper plate 2 and connect it to the PC end; The support rod 7 is rotated to adjust the upper plate 2 to a preset angle (such as 30° for shrimp and crab breeding ponds and 20° for fish breeding ponds) to complete the overall assembly.

[0049] 4. Working Principle Water flow guidance and pollutant collection: When the external flushing device is activated, water is sprayed toward the side plate 3 and guided by the outer curved water guide plate 15 (designed with a gradient in length and curvature), forming an orderly water flow, which collects pollutants such as leftover bait and feces scattered at the bottom of the aquaculture pond into the collection area formed by the bottom plate 1 and the upper plate 2; Angle adaptation and pollutant guidance: According to the particle size of pollutants (for example, when the residual bait particle size is large, increase the angle of the upper plate 2 to 35 degrees, and when the feces particle size is small, decrease it to 25 degrees), rotate the support rod 7 to adjust the tilt angle of the upper plate 2 so that the pollutants slide smoothly along the inclined surface of the upper plate 2 to the tail end; Pollutant interception and collection: When the water flow carries pollutants to the tail end, the filter 4 intercepts the pollutants (the water flows through the filter and returns to the aquaculture pond). The intercepted pollutants fall into the material box 5 below under the action of gravity; Real-time monitoring and operation and maintenance: The visual probe transmits the status of pollutants in the material box 5 to the PC in real time. When it is detected that the material box is full of pollutants or the filter 4 is blocked, the staff stops flushing, hangs the ring 13 of the cover 12 on the hook 14, pulls out the material box 5 to clean the pollutants, and removes the filter 4 for flushing. After completion, reset it and continue to use it.

[0050] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change. Secondly: The drawings of the embodiments disclosed in the present invention only involve structures related to the embodiments disclosed in the present invention. Other structures may refer to conventional designs. The same embodiment and different embodiments of the present invention may be combined with each other without conflict. Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. An inclined baffle-type flushing and sewage collection device for aquaculture, comprising a bottom plate (1) in contact with the bottom of the aquaculture pond, characterized in that: One end of the bottom plate (1) is movably mounted with an upper plate (2) with an adjustable angle, and the two sides of the bottom plate (1) and the upper plate (2) are covered with side plates (3), and the side plates (3) can completely cover the gap between the bottom plate (1) and the upper plate (2), and the tail ends of the bottom plate (1) and the upper plate (2) are covered with a filter (4), and a material box (5) is placed on the bottom plate (1).

2. The inclined baffle type flushing and sewage collecting device for aquaculture according to claim 1, characterized in that: A bottom bracket (6) is movably mounted on one side or both sides of the bottom plate (1) through a bearing, a support rod (7) is movably mounted in the bottom bracket (6) through a bearing, a threaded section is provided at the upper end of the support rod (7), and a screw sleeve (8) is movably mounted on one side or both sides of the upper plate (2) through a bearing, the threaded section of the support rod (7) is screwed into the screw sleeve (8), and the upper plate (2) is driven to perform angular deflection by the rotation of the support rod (7).

3. The inclined baffle type flushing and sewage collecting device for aquaculture according to claim 2, characterized in that: There are outwardly expanding placement grooves (9) on both sides of the bottom plate (1), and the bottoms of the side plates (3) are snapped into the placement grooves (9).

4. The inclined baffle type flushing and sewage collecting device for aquaculture according to any one of claims 1 to 3, characterized in that: Magnetic strips are embedded in the two side walls of the bottom plate (1) and the upper plate (2), and the side plates (3) are made of magnetic metal.

5. The inclined baffle type flushing and sewage collecting device for aquaculture according to claim 4, characterized in that: A plurality of guide grooves (10) are provided on the surface of the bottom plate (1), and the cross section of the guide grooves (10) is narrow at the top and wide at the bottom. A guide block (11) is provided at the bottom of the material box (5) and matches the guide grooves (10).

6. The inclined baffle type flushing and sewage collecting device for aquaculture according to claim 5, characterized in that: Magnetic strips are embedded in the outer end surfaces of the bottom plate (1) and the upper plate (2), and the filter screen (4) is made of magnetic metal. The filter screen (4) is flexible and can be attached to the outer end surfaces of the bottom plate (1) and the upper plate (2).

7. The inclined baffle type flushing and sewage collecting device for aquaculture according to claim 6, characterized in that: A cover plate (12) is movably mounted on one end of the material box (5) through a hinge, a hanging ring (13) is provided on the cover plate (12), and a hook (14) is provided on the inner side of the upper plate (2) to cooperate with the hanging ring (13).

8. The inclined baffle type flushing and sewage collecting device for aquaculture according to claim 1, characterized in that: A plurality of arc-shaped water guide plates (15) are provided on the outer sides of the side plates (3), and the lengths of the water guide plates (15) gradually increase.

9. The inclined baffle type flushing and sewage collecting device for aquaculture according to claim 8, characterized in that: The radius of the water guide plate (15) gradually increases.

10. The inclined baffle type flushing and sewage collecting device for aquaculture according to claim 7, characterized in that: The cover plate (12) is transparent, and a visual probe is embedded in the inner side of the upper plate (2), and the visual probe is connected to the PC via an electrical signal.

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