32 results about "Water net" patented technology

The invention discloses a method for inhibiting the growth of algae through allelopathy of aquatic plants. In the method, a certain amount of hydrodictyon is put into an algae-containing eutrophic water body, the hydrodictyon releases allelochemicals under the induction of the algae, and the allelochemicals can effectively inhibit the growth of the algae; in addition, the hydrodictyon has high capability of removing nitrogen and phosphorus, so that the eutrophication degree of the water body can be essentially reduced, water bloom or red tide is prevented and controlled, a water source is cleaned, and the aquaculture industry, tourism ecological environment, the drinking water of urban residents, and agricultural and industrial water in various areas easily suffering from algae solution are protected.

The invention discloses a culture pond for parent prawns of prawns and a water changing method thereof. The culture pond is characterized by comprising a culture pond bottom arranged in a circular oroval funnel shape, a water inlet pipe attached to the pond bottom wall, a sewage draining exit located in the center of the pond bottom, a water filtering mesh and a high-value live bait recycling device connected with the sewage draining exit. According to the culture pond for the parent prawns of the prawns, vortexes are formed through the impact force of inlet water, residual baits, excrement,prawn shells and dead prawns in the pond are gathered to the sewage draining exit, the parent prawns have the reverse water habit and can actively jack water flow to move away from the sewage drainingexit, when a sewage draining valve is opened, impurities gathered in the pond are discharged along with waste water, available live baits are sorted out from the high-value live bait recycling device, and the available live baits are washed to be used again. The water changing method is simple in design, scientific and reasonable, water changing is automatically controlled by additionally arranging an automatic control device, the working intensity of operators is relieved, and damage and death of the parent prawns in the water changing process are avoided.

The invention discloses a sea water net cage hanging culture method for lobster. The method comprises the following steps: preparation before culture is performed: 1) a lobster culture site is selected, the water temperature of the lobster culture environment is 15-30 DEG C, the salinity is 23-34, the pH is 8.0-8.6, and the dissolved oxygen content is 6 mg / L, 2) a lobster pond is constructed, and3) aquatic grasses are planted at the bottom of the pond; technical measures before seedling releasing are as follows: the pond is thoroughly cleaned, water which is filtered by a 40-60 mesh screen isintroduced to the pond after the pond is thoroughly cleaned, the water depth reaches to be 50-60 cm, plankton is cultivated by fertilization, the fertilization ratio of nitrogen to phosphorus is 2:1,1.5 kg / mu of calcium superphosphate is applied, 90-100 kg / mu of fermented and decomposed livestock and poultry manure is first applied, the transparency of the pond water reaches to be 30-40 cm after7-10 days, and the water quality is brown or green; and the structure and setting of the net cage are as follows: the net cage is prepared from a 20-40 mesh net cloth, the net cage has a length of 10m and a width of 3-5 m, a calcium-plastic board with a width of 15 cm is sewn along the inner side of the upper edge opening of the net cage, the net cage is fixed with bamboo poles and placed at a position which is away from a water inlet of the pond for 2 m, the bottom of the net cage is attached to muds, the bottom layer of the net cage is paved with manure soils with a thickness of 20 cm, andthe water depth of the net cage is kept to be 30-50 cm.

The invention discloses an aquaculture shallow water net cage with the adjustable aquaculture density and a using method thereof. The aquaculture shallow water net cage comprises a suspension seat, an adjusting rod, a floating seat, a movable plate and elastic sliding cloth. A positioning rope is connected to the outer side of the suspension seat, a first motor is arranged in the suspension seat, a second motor is fixed to the upper end of a stock bin through a bolt, a shaft rod is fixedly connected to the output end of the second motor through a bolt, a movable block sleeves the outer side of the shaft rod, and a guide rod is hinged to the lower end of a reset spring. According to the aquaculture shallow water net cage with the adjustable aquaculture density and the using method thereof, the aquaculture density can be conveniently adjusted, so that a net cage meets aquaculture adjustment in different seasons, feed can be automatically and evenly thrown, and waste caused by feed accumulation is avoided; and meanwhile, wave energy can be used for driving a cleaning mechanism to automatically clean the net cage, and the internal environment of the net cage is prevented from being influenced by blockage of meshes.

The invention relates to a water net centrifugal purification device, which consists of a centrifugal wind wheel, star-shaped fish scale net folded plates, atomizing nozzles and a noise reduction diversion guiding device. The star-shaped fish scale net folded plates are uniformly distributed at the periphery of the centrifugal wind wheel, and fish scale net plates are fish scale plates with meshesopening by certain angle along the airflow direction. The air inlet is equipped with nozzles jetting water mist to the air inlet oil smoke airflow. Oil smoke airflow and water mist droplets are sucked into the centrifugal wind wheel to form vortex airflow, water mist droplets collide with impeller blades and the fish scale net plates to generate two atomization, the mist droplets and oil smoke soot are fully mixed and collided, particulate matters in the airflow have large density, inertia and turning radius, cannot make a turn quickly to enter fish scale net meshes, are sticked to the fish scale net plates and flow down with water foams into a circulating water tank. Because of the dual purification effect of water mist capture and inertial separation, the oil smoke purification efficiency is improved and water loss is reduced. The noise reduction diversion guiding device improves the circulation efficiency and reduces the noise, and is convenient for indoor application.

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 relates to the technical field of river crab culture, and discloses a micro-running-water net cage culture method of juvenile crabs for large-scale river crab culture. The micro-running-water net cage culture method comprises the following steps: 1, the juvenile crabs are put into a culture device; 2, water is continuously introduced into the culture device, so that the water in theculture device keeps flowing; 3, daily scientific culture management is conducted on the juvenile crabs in the culture device; and 4, after the juvenile crabs are cultivated and formed, the juvenile crabs are taken out of the culture device to be stocked. The micro-running-water net cage culture method of the juvenile crabs for large-scale river crab culture is simple and convenient to operate, the labor intensity of workers is effectively reduced, deposited sludge can be prevented from influencing the water quality of water in a water tank, and the safety of juvenile crab culture is effectively improved.

The invention provides an artificial cultivation method for large-size seedlings of a Panopea japonica in autumn and relates to the technical field of aquaculture. The large-size seedlings of the Panopea japonica are cultured through water temperature characteristics of northern seas in autumn and spring in cooperation with an indoor seedling workshop and an outdoor earth ponds, parent shellfishesof the Panopea japonica are collected in October every year, the large-size seedlings of the Panopea japonica are cultured on a large scale through a series of innovative methods such as feeding larvae with artificial concentrated baits, collecting seedlings at the bottom of concrete pond and breeding in the middle of submerged net frames of the pond, the survival rate of bottom sowing aquaculture can be effectively improved, and artificial cultivation cost is reduced. The time of artificial seedlings cultivation in autumn is extended by 5 months longer than in spring, the size of shell length of the seedlings is raised by 70.0% and over higher than the artificial seedlings cultivation in spring, and the survival rate of the indoor seedlings is raised by 50.0% and over higher than in spring.

The invention discloses a plant community construction structure based on a healthy landscape, which comprises a viewing table and a filter box, planting bases are arranged on the two sides of the inner side of the viewing table, water channels are formed in the positions, close to the two sides of the planting seats, of the bottom of the inner side of the viewing table, a viewing pool is arranged at one end of the viewing table, plant soil layers are arranged on the inner sides of the two planting seats, and a plurality of plant community main bodies are arranged at the tops of the two plant soil layers. Through mutual cooperation of a water tank, a purifier, a water filter screen, a sprinkler head, the planting bases, the water channels, the viewing pool, a water pump A, a connecting pipe and a return pipe, when the plant community main bodies are irrigated, after water in plant soil layers is saturated, excessive water can be subjected to multiple filtration and purification and is guided into the viewing pool again to circularly flow and be used, the drainage performance is enhanced, and the phenomenon of root retting caused by excessive accumulation of water at the roots of plants can be prevented, so that the device reduces water source consumption and promotes the growth of plant communities at the same time.

The invention belongs to the technical field of aquatic product production, and particularly relates to an automatic fish cream production and treatment device which comprises a first stirring mechanism, a first cleaning mechanism and a first water tank, wherein the first stirring mechanism is connected with the first cleaning mechanism through a first transfer pump, and the first water tank is connected with the first cleaning mechanism through a first water suction pump. The first stirring mechanism, the first cleaning mechanism and the first water tank are arranged, the first stirring mechanism is connected with the first cleaning mechanism through the first transfer pump, the first water tank is connected with the first cleaning mechanism through the first water suction pump, the first stirring assembly is arranged on the first stirring mechanism, a first water passing net is arranged in the first cleaning mechanism, the two ends of the first water passing net are connected with the inner side wall of the first cleaning mechanism, a plurality of water passing holes are formed in the first water passing net, a first motor is arranged at the bottom of the first cleaning mechanism, the automation degree of the device is improved, labor input is reduced, and the using effect is good.

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 relates to the technical field of Jindrum fish breeding, and discloses an ecological breeding device for Jindrum fish. The ecological breeding device comprises a breeding pond, a material gathering groove and a material gathering net cage used for filtering sludge, the material gathering net cage is in a concave shape, the material gathering groove is formed in the bottom of the breeding pond, the material gathering net cage is placed in the material gathering groove, and a cover plate is installed at the top of the material gathering net cage. The cover plate is detachably connected with the material gathering net cage, a plurality of water permeable holes are evenly formed in the cover plate, the diameter of the water permeable holes is larger than that of meshes of the material gathering net cage, water filtering net plates are arranged on the two sides of the breeding pond respectively, the water filtering net plates are slidably connected with the top of the breeding pond through sliding assemblies, and the water filtering net plates are located above the cover plate. According to the ecological breeding device for the Jindrum fish, most sundries in the pond can be effectively cleaned without water changing work such as water drainage and water injection for the breeding pond and without fishing and transferring fish schools to other ponds, the cleaned fish schools still live in the original environment, and the inadaptability of the fish schools is reduced.

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 relates to a fish gathering and transferring system for improving fish passing efficiency. The system comprises a fish gathering platform, a deep-water net foil, a transfer working platform, a fish gathering tank, a live fish temporary-breeding tank and a fish gathering platform anchoring device, the fish gathering platform anchoring device is connected with the fish gathering platform, the deep-water net foil comprises an in-shore net foil belt, an offshore net foil belt, an in-shore blocking net and an offshore blocking net, the in-shore blocking net is connected with the in-shore net foil belt, the offshore blocking net is connected with the offshore net foil belt, the in-shore blocking net and the offshore blocking net are opposite and in asymmetric arrangement, the in-shore net foil belt and the offshore net foil belt are parallel and form a fish passing channel, multiple net doors are arranged in the fish passing channel, and height of the net doors is sequentiallyincreased along the advancing direction of fish school; a fish taking portion is arranged at the tail end of the fish passing channel, the upper surface of the fish taking portion is flush with that of the fish gathering platform, and the fish gathering tank is arranged on the fish gathering platform and collects the fish school from the fish taking portion. The fish gathering and transferring system has the advantages of high fish gathering efficiency, reliable safety and easiness in operation.

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 water locking and moisturizing method and device for plant growth soil, and relates to the technical field of plant growth, the method comprises the following steps: S1, excavating a foundation pit; s2, a foundation pit supporting plate is installed; s3, filling soil; s4, mounting a water locking plate; s5, the steps S3-S4 are repeated until the foundation pit excavated in the step S1 is fully filled; s6, mounting a moisturizing net; s7, installing a soil humidity sensor; the method is scientific and reasonable, the method for improving water locking and moisturizing of the soil around the plant root system is safe and convenient, water in the soil can be blocked by excavating the foundation pit, installing the foundation pit supporting plate and obliquely installing the water locking plate, the capillary effect of the soil is cut off, the evaporation amount of the soil water is reduced, and the soil moisture retention effect is improved. The plant rhizosphere soil moisture-retaining and moisture-preserving device has the advantages that plant rhizosphere soil moisture-retaining and moisture-preserving effects can be realized by the aid of the plant rhizosphere soil moisture-retaining and moisture-preserving device, moisture entering air due to evaporation can be reduced by the aid of the water-retaining nets, the soil moisture-retaining and moisture-preserving effects can be further improved, and the soil moisture content can be monitored and predicted in real time.