12 results about "Water net" patented technology

The utility model relates to a fishing device for an aquarium fish culture pond, which comprises an inverted U-shaped hanging bracket, the hanging bracket is inserted on two sides of the top of the culture pond, one end of the top in the hanging bracket is fixedly connected with a coaming with a horizontal U-shaped section, and three side plates of the coaming are respectively contacted with three inner side surfaces connected with the culture pond. A rectangular moving frame is slidably arranged at the other end of the top in the hanging bracket, a power mechanism for driving the moving frame to move is arranged on the hanging bracket, a screen plate is detachably installed in the moving frame, a plurality of first bottom plates are evenly distributed at the bottom of the surrounding plate, and a plurality of second bottom plates are arranged on the side, facing the surrounding plate, of the bottom of the moving frame. The second bottom plates are slidably inserted into gaps between every two adjacent first bottom plates, first water filtering nets are arranged on the first bottom plates and the second bottom plates, a plurality of second water filtering nets are arranged on the surrounding plate, a butt joint mechanism is arranged between the movable frame and the surrounding plate, and a plurality of lifting lugs are arranged at the top of the lifting frame. The fishing device is time-saving, labor-saving, high in efficiency and convenient to recycle during fishing.

The invention relates to the technical field of urechis unicinctus breeding, in particular to a seedling raising device for urechis unicinctus breeding, which comprises a urechis unicinctus seedling raising box body, breeding assemblies are arranged on two sides of the urechis unicinctus seedling raising box body, each breeding assembly comprises a device port, and the device ports are arranged on one side of the urechis unicinctus seedling raising box body. According to the invention, through the arrangement of the interlayer type culture assembly formed by sequentially stacking the outer side water-permeable net plate, the liftable blocking plate and the inner side water-permeable net plate, when water body exchange needs to be adjusted, the control assembly drives the blocking plate to stably lift in a guide space formed by the two layers of fixed net plates; the design ensures that water flow needs to be subjected to double filtering and buffering under any opening degree, linear fine regulation and control of flow can be achieved, effective escape prevention of at least one physical barrier can be maintained all the time, and therefore the technical defects that when a traditional seedling raising window single-layer structure is opened, the escape risk is high, and water flow impacts and directly disturbs seedlings are fundamentally overcome.

The application discloses a water network model construction method and system based on digital twinning. The model construction method comprises the following steps: integrating data resources and obtaining water network and geographical environment information; determining attribute items and topological relations, building a concept model; abstracting information water network and constructing a water network model; binding a buoy to collect fish school and water flow data, and cleaning standardized data; calculating the correlation between fish school movement and water flow; optimizing water network model parameters, optimizing ecological niche, and analyzing and quantifying the relationship between fish school and environment. The water network model construction method can construct an accurate and comprehensive water network model by integrating existing data resources in the region, improve the accuracy of the model, and provide a solid foundation for subsequent analysis and optimization. By collecting fish school trajectory data and water flow data, the correlation between fish school movement and water flow can be analyzed in depth, which helps to reveal the internal rules of the aquatic ecosystem.

The utility model discloses a device for cleaning floaters after wastewater treatment, which comprises a wastewater treatment box, a partition plate is fixedly connected between the inner walls of the two sides of the wastewater treatment box, the bottom end of the partition plate is fixedly connected with the inner wall of the bottom of the wastewater treatment box, and a rotating rod is rotatably inserted between the inner walls of the two sides of the wastewater treatment box. The outer wall of the rotating rod is fixedly connected with a fishing box, and a detachable water filter screen is clamped in the fishing box. The fishing box is driven to rotate under the driving of the external transmission motor and the meshing action of the worm and the worm wheel, then floating objects on the surface of waste water are fished into the fishing box, when the fishing box rotates to the right side of the partition plate, an opening of the fishing box faces downwards, the floating objects are poured down, and the cleaning effect of the floating objects is improved.

The utility model belongs to the technical field of breeding floating bed, disclose a kind of algal breeding floating bed, the existing breeding floating bed is set in paddy field, the water flow in paddy field, it is easy to drive the existing technology to produce shaking or move, it is inconvenient to carry out breeding management, the technical scheme of the utility model example, including floating plate, the top surface of floating plate is equipped with evenly distributed breeding groove, the bottom surface opening of breeding groove and fixedly installed with filter screen, the front and back sides of floating plate are respectively fixedly installed with mounting ring, one vertical shaft is passed through in mounting ring, the lower end of vertical shaft is fixedly installed with mounting plate, the bottom surface of mounting plate is fixedly installed with plug, vertical shaft is provided with the adjusting device for the limiting of mounting ring, the utility model is provided with the structure for the position of floating plate is fixed, floating plate can be avoided to move in paddy field, the position of floating plate in water can be adjusted according to the demand of use, to meet the planting demand of water surface system alga and underwater system alga.

The present application relates to a kind of penaeus vannamei ovipositor breeding ponds, including several ovipositor breeding pond bodies, the upper portion in ovipositor breeding pond body is equipped with for the reproduction of seed shrimp spawning space, the lower portion of spawning space is equipped with for the hatching of shrimp eggs ovipositor space, the bottom of ovipositor space is equipped with one side with pool wall form the ovipositor bottom plate of positionable hinged, ovipositor bottom plate includes upper portion of egg-blocking net layer, middle portion of aeration layer, lower portion of water-permeable net layer, aeration layer is equipped with multiple aeration pipes, aeration pipe is communicated with external air source, aeration pipe is distributed with aeration hole, the lower portion of ovipositor space is equipped with for the cultivation of fry breeding space, the bottom of breeding space is equipped with fry outlet on one side.The present application uses the way of pond bottom aeration to replace the existing artificial ovipositor and mechanism ovipositor mode, integrates the hatching and fry function of prawn on the ovipositor breeding pond body, with better ovipositor effect, breeding yield is improved, breeding cost is reduced, and ovipositor breeding efficiency is significantly improved, etc.

The invention discloses a water network model construction method and system based on digital twinning. The model construction method comprises the following steps: integrating data resources to obtain water network and geographical environment information; attribute items and topological relations are determined, and a conceptual model is established; abstracting an information water network, and constructing a water network model; binding buoys to collect fish school and water flow data, and cleaning standardized data; calculating correlation between fish school movement and water flow; optimizing water network model parameters, optimizing ecological niche, and analyzing and quantifying fish school environment relation. According to the water network model construction method provided by the invention, the accurate and comprehensive water network model can be constructed by integrating the existing data resources of the region, the accuracy of the model is improved, a solid foundation is provided for subsequent analysis and optimization, and the accuracy of the water network model is improved by collecting the fish school movement track data and the water flow condition data. The correlation between the fish school movement and the water flow can be deeply analyzed, and the internal law of a water ecosystem can be revealed.

The invention discloses a running water net cage culture method for coreius fasciatus. The running water net cage culture method comprises the following steps: S1, setting a culture environment and a net cage; s2, fingerling stocking; s3, feeding management; s4, daily management; s5, disease prevention and control; s6, harvesting and transporting, in the step S1, a plurality of net cages are prepared, the net cages need to be placed in a pond or a reservoir with the water depth larger than 4 m, the pond or the reservoir needs good water quality and high dissolved oxygen, every three net cages form a group, a water pushing machine is arranged on one side of one group of net cages, a gas compressor is arranged on the inner side of the water pushing machine, and a baffle is arranged in the water pushing machine. An exclusive breeding mode different from conventional freshwater fishes is provided for coreius guichenoti, the overall design of water flowing and environment regulation is emphasized, and the feeding activity and growth efficiency of coreius guichenoti are improved by improving the breeding environment directly aiming at the core problems of insufficient water exchange, lack of water flow stimulation and the like in still water breeding. And a complete scheme is provided for efficient and healthy coreius coreius culture.

The invention belongs to the technical field of resource environmental protection, and discloses a water quality purification and recycling method based on macroalgae. The method comprises the following steps: constructing a macroalgae ecological bed in a water body between a reclaimed water discharge port of a sewage treatment plant and the upstream of a reclaimed water supply target river and lake; the reclaimed water discharged from the reclaimed water discharge port of the sewage treatment plant is purified by the macroalgae ecological bed and then is discharged into the reclaimed water supply target river and lake; the macroalgae are at least one of benzylothrix, hydrocystis and cladophora. The method can systematically solve the core problems of high recovery cost, harsh field planting conditions, high recycling difficulty and the like in the traditional biological treatment, and provides a new path with a wide prospect for the treatment and resource recycling of eutrophic water bodies.

The invention discloses a water network water diversion layout optimization method based on deep learning. The method comprises the following steps: collecting and preprocessing multi-source environmental data of saline-alkali soil in an arid region; executing space-time fusion and feature extraction, constructing a feature incidence matrix, and generating a standardized multi-dimensional feature data set; the neural network model is cycled by using a coupling physical mechanism to obtain a predicted spatial-temporal distribution result; constructing a multi-objective optimization model; carrying out iterative solution on the multi-objective optimization model by adopting an improved non-dominated sorting genetic algorithm to obtain a target engineering scale parameter scheme and a target space layout scheme; performing error calculation to obtain an error evaluation result; and an updated coupling physical mechanism recurrent neural network model is formed, and a dynamic closed-loop process of prediction, optimization and correction of the water network water diversion layout is realized.

The invention relates to the technical field of data processing, and provides a three-dimensional modeling method and system for a deep-water net cage culture fish school based on sonar, and the method comprises the steps: arranging a multi-beam sonar at a geometric center position of the top of a target net cage, and obtaining global three-dimensional point cloud data; arranging a plurality of multi-beam sonar probes at a plurality of key depth layers of the target net cage to obtain local two-dimensional point cloud data, and determining each fusion scheme according to global fish school three-dimensional point cloud data obtained by conversion based on a preset net cage topological coordinate system and content information between each piece of local fish school three-dimensional point cloud data, and executing each fusion scheme to obtain target fish school three-dimensional point cloud data, performing three-dimensional reconstruction according to the target fish school three-dimensional point cloud data to obtain a fish school three-dimensional model, and performing visual display. According to the method, the integrity of global space detection of a net cage water body can be ensured, the accuracy of local detail detection can also be ensured, and the reconstruction quality and the visual display effect of a fish school three-dimensional model are effectively improved.

The utility model relates to the technical field of fry sorting, in particular to a fry sorting device for aquaculture, which comprises a pouring box, and a synergistic mechanism is fixedly arranged at the bottom end of the pouring box. The small fish box and the large fish box are filled with water, then sorted fishes are poured into the pouring box, the fishes can flow downwards along the slope of the sieve tray, the small fishes can enter the small fish box through the sieve tray, the large fishes can flow into the large fish box, the water suction pump in the device is started, the water suction pump pumps out the water in the small fish box, and then the fishes are poured into the pouring box. Water is injected into the pressurizing head through the drainage effect of the drainage pipe, then the pressurizing head sprays water, fishes on the sieve tray are pushed by water flow, the auxiliary effect on fish fry sorting can be achieved, the fish fry sorting process is accelerated, the structure is simple, the manufacturing cost is relatively low, the net cover can prevent the small fishes from being sucked into the water suction pump, and the small fishes are prevented from being damaged. The water passing net enables water in the large fish box to flow into the small fish box when the water is about to overflow, and the water is pumped by the water pump.