32 results about "Water net" patented technology

The invention discloses a high-efficiency cleaning device for red swamp crayfish. The device includes a shell, an introduction plate, gates, clamp blocks, a water filter net plate, casters, a valve, spray nozzles and a cover body. According to the device, the red swamp crayfish is introduced into a cleaning chamber by using a red swamp crayfish inlet tank for spray cleaning, and the cleaned red swamp crayfish enters a red swamp crayfish outlet tank through the cleaning chamber; and the device has strong practicability, improves work efficiency, and effectively saves manpower and material resources.

The present invention proposes an automatic bait feeding and metering device for deep-water net cages, comprising: a housing, with feed ports and discharge ports respectively arranged at the upper and lower ends; a central rotating shaft, vertically arranged in the housing; a rotating wheel , installed horizontally on the central rotating shaft, and rotates with the rotation of the central rotating shaft; the torque measuring device is used to measure the torque of the central rotating shaft; the driving device is connected with the central rotating shaft and is used to drive the central rotating shaft to rotate; the rotational speed measuring device, fixed on the output shaft of the driving device. The present invention has simple structure, fewer measurement influencing factors, and accurate measurement; good reliability, and can realize real-time feedback and control; the device does not involve the influence of gravity changes such as mechanical vibration during the conveying process of pellet feed, and avoids isostatic measurement of weighing error effects.

The invention provides a method for artificially cultivating large-sized seedlings of Poseidon japonica in autumn, and relates to the technical field of aquaculture. The large-sized seedlings of Poseidon japonica are cultivated by utilizing the characteristics of water temperature in autumn and spring in the northern sea area combined with indoor seedling workshops and outdoor earthen ponds to cultivate large-sized seedlings of Poseidon japonica every year. In October, the parent clams were collected, and the larvae were cultivated by feeding artificial concentrated bait, seedlings collected from the bottom of the cement pond, and brooding in the middle of the submerged net frame of the pond. Effectively improve the survival rate of bottom seeding culture and reduce the cost of artificial cultivation. The cultivation time of artificial seedlings in autumn is 5 months longer than that in spring, the length and specifications of seedlings are increased by more than 70.0% compared with those of artificially cultivated seedlings in spring, and the survival rate of indoor seedlings is increased by more than 50.0% compared with that in spring.

The invention discloses a mold for producing concentrated water mesh, which comprises an outer rotating body and an inner rotating body; the outer rotating body is in the shape of a hollow cylinder, and several inner grooves are opened on the inner side wall of the bottom; the inner groove 11 is inclined It is arranged on the inner side wall of the outer rotating body 1; several pairs of first fixing holes and first positioning holes are symmetrically provided on the outer rotating body; the inner rotating body includes an integrally formed base ring body and an upper ring body integrally formed with the base ring body Hollow cylinder; the height of the base ring body is consistent with the height of the inner groove; the outer wall of the base ring body is provided with several outer grooves corresponding to the inner groove; the outer groove 23 is obliquely arranged on the bottom of the base ring body 21 On the outer wall, its inclination direction is opposite to that of the inner groove 11; on the upper hollow cylinder, there are second fixing holes and second positioning holes corresponding to the first fixing holes and the first positioning holes. The invention can produce concentrated water nets, and the produced concentrated water nets have good uniformity and are easy to install and disassemble.

The invention discloses a fish feeding amount control system for deep-water net cage culture, which uses a control host to obtain the water temperature, salinity, dissolved oxygen concentration, and water flow velocity of the controlled deep-water net cage at n historical collection moments and the weight of farmed fish, and put the obtained data into the support vector machine model for processing, and then select the optimal support vector machine model based on the evaluation of the mean square error and square correlation coefficient of the support vector machine model, which can be based on the received Controlling the environmental factor data of the currently farmed fish in the deep-water cage at the current moment predicts the weight prediction result of the farmed fish, and then issues a corresponding bait feeding amount control command based on the result, so that the bait feeding machine set in the deep-water cage Quantity control command to cast bait. The invention can realize automatic and high-precision feeding of each deep-water net cage under specific environmental factors, reduces problems such as bait waste and environmental pollution caused by unreasonable feed feeding, and greatly improves breeding benefits.

The invention discloses a water environment pollution repairing system for urban lakes and reservoirs. The system structurally comprises a water-preventing protective shell, a control box, an installation inverted block; a filter assembly is arranged above material carrying grids; a rotary magnetic field assembly is installed below a conveying wheel; a material catching assembly is embedded in a motor; and a magnetic field projectile body is arranged above the filter assembly. According to the water environmental pollution repairing system for urban lakes and reservoirs, a plurality of the systems can be combined through the installation inverted blocks; a water screen catches organisms on the water surface during rotating; a waterproof overflow block rotates along with the water screen, so that the water cannot flow into the system; an outlet is opened, and the organisms slide down accordingly and slide into the interior of a storage leakage-proof bag; when the organisms inside the storage leakage-proof bag are excessive, the storage leakage-proof bag sinks; when the organisms inside the storage leakage-proof bag are more and more, a connecting contact block sinks accordingly; when the connecting contact block contacts a height contact block, height alarm is raised, then local or area treatment can be carried out on water pollution, and a prompt of treatment can given after the treatment is finished.

The invention discloses a river cleaning boat which is not easy to entangle fish and shrimp cages. It includes a hull, the upper surface of the hull is fixedly connected with a deck, the front and rear sides of the hull are provided with fixing seats, and the other end of the hydraulic lifting and shrinking rod is fixedly connected with a flow-limiting baffle. The right side of the rotating bolt is movably connected with a rotating sharp plate, the upper left end of the hull is provided with a lifting frame, the left side of the lifting rod is provided with a fishing device, the middle part of the deck is symmetrically fixed and connected with a hinge cylinder, and the left side of the hinge cylinder is provided with a cable. There is a garbage pool, and there is a garbage box in the garbage pool. The left and right ends above the garbage box are fixedly connected with traction lifting rings. The lower side of the garbage box is fixedly connected with a water filter. A water pump is connected, a motor is fixedly connected to the inside of the hull, and a power device is provided at the lower end of the left side of the hull; the invention has the advantages of simpler and more convenient removal of rubbish on the river surface and is convenient for moving and delivering the rubbish ashore.

The invention relates to a dust removal pipeline for a water curtain net. A high-pressure pump water spraying for weaving a water net for removing dust from smoke. The dust removal pipeline comprisesa conveying pipeline used for conveying smoke, at least two water curtain dust removers, at least two water collection tanks and a sewage pool, wherein the at least two water curtain dust removers arearranged in the conveying pipeline for weaving the water net; the water collection tanks are arranged on the outer sides of the water curtain dust removers for collecting sewage subjected to dust removal; the sewage pool is arranged below the water collection tanks and is connected with the water collection tanks for processing sewage in the water collection tanks. The high-pressure pump water spraying is used for weaving the water net, the water net adsorbs dust in the smoke to achieve an effect of smoke dust removal, the water net is used for removing dust to avoid a dust attachment situation, the blockage in the pipeline is avoided, and the dust removal efficiency of the dust removal pipeline is improved.

The invention discloses a method for utilizing running water net cages to breed whitmania pigra. The method includes the following steps that (1) the net cages are manufactured; (2) the net cages are placed at the sheltered and sunny positions in a water area, and the interval between every two adjacent net cages ranges from 2m to 3m; (3) the net cages are placed into water 10 days before the whitmania pigra is placed into the net cages, meanwhile, water hyacinth, lemna minor and other aquatic plants are placed into the cages, and the placed aquatic plants account for 35-40% of the net cage water surface area; (4) food of the whitmania pigra is placed in the water area, wherein the weight of food is 2-3 times the weight of the whitmania pigra; (5) in an appropriate cloudy day early in July, the young whitmania pigra is placed into the different net cages of a river channel according to the body sizes, and the 3000 whitmania pigra is placed in each net cage; (6) in general, nets are hauled and the whitmania pigra is caught from late October. Due to the adoption of the method, the defects that artificial running water breeding cost is high, the yield of the whitmania pigra bred in natural running water surfaces is low, and the whitmania pigra is not easy to catch can be well overcome. The practice shows that due to the adoption of the method, the yield can be effectively improved and social benefits and economic benefits are remarkable.

The invention discloses a device for repairing nets in deep-water net cages, which includes an open-frame underwater robot and a net repair mechanism for deep-water nets. The net repair mechanism for deep-water nets includes a net hole penetration mechanism and a wire feeding mechanism , rotary knotting mechanism, steel wire cutting mechanism and steel wire clamping mechanism; the hole penetration mechanism includes mechanical claws and a control box for controlling the mechanical claws, the wire feeding mechanism and steel wire cutting mechanism are fixed inside the control box, and the steel wire clamping mechanism and the rotary knotting mechanism are arranged between two sets of mechanical claws; the open-frame underwater robot is detachably connected with the deep-water cage net repair mechanism through a connecting shaft. In the face of large holes, the present invention drives two mechanical claws to increase the opening angle, combined with multiple repairs to repair large net holes, and avoids huge economic losses and biological environmental pollution caused by large-scale fish escape. Moreover, the device has high realizability, safe and reliable operation, high portability and high integration.

The invention provides a water network treatment and cyclic utilization system which comprises a water network treatment equipment body, a photoelectric sensor arranged on the water net treatment equipment body, a chemical feeding assembly connected with the water network treatment equipment body, an assembled artificial floating bed fishing assembly and a recycling assembly, wherein the photoelectric sensor is electrically connected with the water network treatment equipment body, and the water network treatment equipment body is electrically connected with the chemical feeding assembly, the assembled artificial floating bed fishing assembly and the recycling assembly. The invention relates to a water chemical feeding treatment and cyclic utilization system which comprises a photoelectric sensor which is electrically connected with the chemical feeding assembly, the assembled artificial floating bed fishing assembly and the recycling assembly, the photoelectric sensor is used for sensing clustered submerged plants floating on a water network, and after the submerged plants are sensed, directional chemical feeding is conducted through the chemical feeding assembly, so that on the one hand, large-area chemical feeding treatment is avoided, the treatment cost is saved, and on the other hand, chemical feeding is more targeted, and the chemical feeding effect is enhanced.

The invention discloses a bait casting device for aquaculture. The bait casting device for aquaculture comprises a fixed plate, wherein a guide rail is arranged on the fixed plate, a guide groove is formed in the upper portion of the guide rail, a bait casting pipeline is arranged in the guide groove, the end part of the bait casting pipeline is connected with a bait casting pipe, one end of the bait casting pipe is connected with the end part of the bait casting pipeline, the other end of the bait casting pipe is a bent part, and a bait casting cavity is formed in the axial center position ofthe bait casting pipe; the guide rail is arranged on the fixed plate, a sliding seat is arranged on the upper portion of the guide rail, a bait casting seat is arranged on the top of the sliding seat, the interior of the guide rail is of a cavity structure, the axis center of the bait casting pipe communicates with the interior of the guide rail, and a plurality of bait casting holes are formed in the tops of the guide rail, the sliding seat and the bait casting seat and communicate with the interior of the guide rail. Feeding is convenient, the bait casting pipeline can rapidly convey baitsinto a deep-water net cage through the bait casting pipe, and therefore the bait casting efficiency of the deep-water net cage is greatly improved, and shrimps and crabs can be conveniently caught.

The invention provides a method for display and cultivation of a commercial live fishery product. A live aquatic product is put into a package material of a net cage, and the net cage is provided with a cage opening and water-permeable net holes; the live aquatic product is put into the net cage, and the net cage and the live aquatic product are displayed and cultivated in water together so that a customer can conduct selection and purchasement by himself; the cage opening is sealed with a security and traceability seal; and pond water naturally flows into the net cage through the water-permeable net holes, and the live aquatic product can stay alive for a long time. The information of security, traceability, brands and the like of the live aquatic product and a security and traceability code are correspondingly stored in a security and traceability computer system database on the mobile internet, and a gourmet can check the information of authenticity, brands and traceability through mobile phone code scanning.

The invention discloses an aquaculture device, in particular to a deep-water net cage with a pulley lifting mechanism, including a net cage, a buoy, a sinker, and a sinker lifting mechanism. The sub-lifting mechanism hangs the sinker directly under the net cage through ropes. There are buoys on both sides of the net cage. It consists of a central permeable hole and several peripheral permeable holes. The device has strong anti-wind and wave performance, is less affected by wind and waves, and can increase aquaculture production while ensuring the safety of aquatic products.

The invention discloses a double-effect air-floatation algae-laden water treatment apparatus. A mixing reaction zone and an air-water contact room connected with a coagulation reaction zone are arranged in the front of a pool body, the opening at the upper portion of the air-water contact room is connected with a solid-liquid separation zone at the upper portion of the pool body, an electrolysis zone is arranged below the solid-liquid separation zone, a water collection zone is arranged below the electrolysis zone, a perforation water collection network is arranged in the water connection zone, the perforation water collection network is connected with an outfall sewer, and a mud connection bucket is arranged below the perforation water collection network. The water treatment technology integrates a dosing mixing reaction process with an air floatation process, integrates an dissolved air floatation process with an electrolysis air floatation process and integrates an air floatation treatment process with an electrode oxidation process, so the apparatus integrating the above three efficacies can greatly improve the treatment efficiency of algae-laden polluted source water; and the apparatus has the advantages of high treatment efficiency, operation and adjustment convenience, land occupation saving and low energy consumption, so the apparatus can be widely applied to various difficult industrial wastewater treatments.

The present invention proposes an intelligent decision-making method and system for water resources dispatching in water network areas with scenario-target interaction. The method includes: (1) calling the hydrological data stored in the online database by the hydrological data acquisition equipment; (3) Build an intelligent decision-making index system; (4) Develop a scenario identification module to complete automatic scenario identification and dynamic weight allocation; (5) Objective function construction and Solve, develop and form an intelligent decision-making module for water resources dispatching; (6) Coupling each preset module, develop and form an intelligent decision-making system platform for water resources dispatching. The present invention overcomes the lack of adaptability and timeliness of the existing technology for real-time scenarios of water resource scheduling by studying the technology that the synergistic relationship between different dimensional targets changes dynamically as the scenario changes, and realizes the intelligent decision-making of water resource scheduling under changing scenarios .