1700 results about "Agricultural irrigation" patented technology

The invention relates to chemical/ionic/physical compounding cross linking hydrogel and a preparation method thereof. The hydrogel is polymerized in a way that olefin monomer M1, a chemical cross-linking agent M2, multivalent ion biomacromolecule M3, an ionic cross-linking agent M4 and a physical cross-linking agent M5 are dissolved in water. The method comprises the following steps: preparing chemical/physical cross linked gel prepolymerization liquid, preparing chemical/ionic/physical cross linked gel prepolymerization liquid and preparing and purifying chemical/ionic/physical compounding cross linked gel. According to the invention, the characteristics and properties of the chemical cross-linking agent, the physical cross-linking agent and the ionic cross-linking agents are taken into consideration comprehensively, the compounding cross linking of molecular chains is realized; the prepared hydrogel is optically transparent and has higher mechanical ductility and rebound elasticity; the mechanic, optical and thermal performances and other performances can be regulated conveniently by controlling technology parameters and conditions; and the prepared hydrogel can be used in the fields such as tissue engineering, food industry, agricultural irrigation, daily chemical engineering, oil production, dye adsorption and biological medicine.

A non directional pneumatic tire is provided for an agricultural irrigation system. The tire includes first and second side walls and a radially outer wall defining an internal inflation chamber. A non directional tread pattern is defined on the tire and includes a plurality of longitudinal protrusions positioned substantially parallel to a rotational axis of the tire. The longitudinal protrusions are arranged in first and second rows extending from the first and second side walls toward and across the equatorial plane of the tire. The longitudinal protrusions of the first and second rows circumferentially alternate with each other and there is a circumferential spacing between adjacent longitudinal protrusions at the equatorial plane so that no portion of one longitudinal protrusion circumferentially coincides with or overlaps another.

A data gathering device associated with an agricultural irrigation system including at least one camera movably connected to the irrigation system.

The invention discloses an intelligent spray irrigation discharge control system based on weather information services, which comprises a data acquisition exchange system, an information service support system, and a production control center. The information service support system compares acquired data with information in a set-up crop knowledge base and provides a recommended range of crop growth parameters according to local weather information and future weather information. The production control center controls operation of a spray irrigation system or discharge equipment according to result information analyzed by the information service support system. The information service support system combines weather data and growth site practical parameter data of crops, the weather data and the growth site practical parameter data are analyzed with the data in the crop knowledge base to provide best control measures which are transmitted to the production control center, and the production control center controls a user controller to determine when, how much and what to spray-irrigate, so that efficient, scientific, quantitative and fine agricultural irrigation is realized, and the existing extensive spray irrigation/discharge way is changed into an economical, fine and intelligent production way.

The invention relates to a method for performing combined treatment on livestock and poultry excrement, straws and sewage. The method mainly comprises two processes of anaerobic fermentation and biological contact oxidation and comprises the main steps of: 1) mixing the crushed straws, excrement and sewage and performing anaerobic fermentation treatment; 2) removing suspended matters from methane liquid generated by the anaerobic fermentation treatment, homogenizing water quality, removing oil, performing biological contact oxidation treatment to reduce chemical oxygen demand (COD) and ammonia nitrogen, precipitating and draining water for agricultural irrigation; and 3) dehydrating and desulfurizing methane generated by the anaerobic fermentation treatment to serve as energy and composting methane slag to prepare into organic fertilizer. The invention also discloses a device for implementing the method. The device can treat the livestock and poultry excrement, the straws and the sewage, can also generate methane, realizes resource utilization of wastes and has the characteristics of simple and intensive process, higher utilization ratio of the resources and good operation effect.

The invention discloses an agricultural irrigation system based on the internet of things. A control terminal module is used for remotely control an information collection module and an irrigation machine, wherein the control terminal module is connected with the information collection module through a communication module, and the information collection module is used for collecting soil and air information; the information collection module comprises a temperature sensor, a soil moisture sensor, an illumination intensity sensor and an air humidity sensor; the information collection module is connected with an information processing module; the control terminal module is connected with the irrigation machine through the communication module. The agricultural irrigation system based on the internet of things can achieve startup and shutdown of the irrigation machine, remote wireless startup and shutdown of the irrigation machine and information management of the irrigation machine according to the requirement of a farmer and a site; the system is distributed at each irrigation equipment point of a monitored agricultural irrigation area, achieves concentrated remote management dispatch of agricultural irrigation, saves the farming time of the farmer and improves the agricultural production efficiency.

The invention discloses a cloud-based water-saving irrigation automatic control and information management system and relates to the field of agricultural irrigation, in particular to a cloud-based water-saving irrigation automatic control and information management system which can automatically diverting water for irrigation by monitoring water quantity, climates and soil conditions.The management system is characterized in that the irrigation system conducts data exchange and calculation through a remote database and a remote computer by monitoring the soil conditions in real time, and irrigation is conducted in time according to the growing demands of crops.The management system can be widely applied to waterline building projects, agricultural automation irrigation projects, and water conservancy automation monitoring and controlling projects in agricultural efficient water-saving irrigation.The system is high in automation and information management degree, compared with a traditional offline management mode, the system has the advantages that at least one half or above number of system operation managers (such as charging people, line patrol people and equipment maintenance people for later-period operation and maintenance) can be reduced, and the labor cost for later-period operation and maintenance can be greatly saved.

The invention provides an irrigation decision-making system and method based on an agricultural system model, and belongs to the technical field of agricultural irrigation decision-making. The system comprises a meteorological data interface, a meteorological database, the calibrated agricultural system model, a calibrated agricultural system model base, an irrigation decision-making algorithm, an irrigation decision-making algorithm base and an irrigation control system, wherein the meteorological data interface is used for providing meteorological data needed for calculation for the calibrated agricultural system model, the calibrated agricultural system model is used for conducting calculation according to meteorological conditions to obtain crop growth information and soil and crop moisture conditions, the irrigation decision-making algorithm is used for judging whether irrigation is conducted or not and calculating the irrigation amount according to the model calculation result, and the irrigation control system is used for conducting irrigation according to the irrigation amount calculated by the irrigation decision-making algorithm. The irrigation decision-making system and method based on the agricultural system model overcome the defects of an existing irrigation decision-making system and method, an accurate irrigation plan is made without installing field sensors, and a future irrigation plan and the corresponding irrigation effect can be predicted.

The invention specifically discloses an intelligent agricultural irrigation system and method, in particular relates to the field of agricultural irrigation and aims to solve the problem that irrigation amounts are not appropriate as a conventional agricultural irrigation system does not comprehensively consider water demand factors of crops. According to the technical scheme of the invention, a crop information acquisition module, a field information acquisition module, a soil information acquisition module and a weather information acquisition are adopted to acquire related information of crops, the information is transmitted to a computer of a planter through wireless access nodes, the data information is stored and processed by the computer of the planter, an irrigation control module is controlled to perform irrigation, and meanwhile the data information is uploaded to a server for data sharing through a wireless communication module. By adopting the system, different factors such as growth cycles, weather and soil of plants in different growth periods of crops are acquired, the water amounts of the crops are calculated, the crops are watered appropriately in time, and thus precise watering of the whole system is achieved.

The invention discloses a double-arm type agricultural irrigation device with an adjustable angle. The double-arm type agricultural irrigation device comprises a water tank, walking wheels, a supporting box, a supporting arm, a screw and a nozzle, the water tank is internally and rotatably provided with a rotary shaft in a bearing connection mode, several stirring rods are fixedly and uniformly distributed on the outer circumference of the rotary shaft, the screw is rotatably erected in the supporting box, a lifting sleeve sleeves the outer circumference of the screw in a screw connecting mode, a fixed sleeve is fixed to the bottom of a top plate of the supporting box, the top of the supporting arm is hinged to the end of the fixed sleeve, the lower portion of the middle of the supportingarm is rotatably hinged to the top of the supporting rod, the bottom of the supporting arm is rotatably hinged to the end of the lifting sleeve, and the nozzle is arranged at the bottom of the supporting arm. The double-arm type agricultural irrigation device is simple in structure, adjustable in sprinkling irrigation angle and convenient to operate; meanwhile, pesticide can be prevented from depositing, the pesticide effect is guaranteed, and the double-arm type agricultural irrigation device is suitable for being applied and popularized.

An agricultural fertigation method includes the in situ manufacture of one or more fertilizers within the irrigation upstream of the agricultural field being irrigated. Co-reactant raw materials, namely sulfuric acid, phosphoric acid, nitric acid, potassium hydroxide, urea, ammonium hydroxide, ammonia, calcium nitrate and/or magnesium nitrate, are intermixed with each other and with the stream of the flowing irrigation water. The stream of flowing irrigation water dampens the resultant dissolution and reaction exotherms. A system wherein raw materials are efficiently fed to the irrigation system main line or a side-arm reactor efficiently implements the method.

The invention discloses an irrigation device for agricultural planting and relates to the technical field of agricultural irrigation. The irrigation device comprises a supporting frame with travelingwheels at the bottom, a stirring shaft is in driving connection with a straight rack I through a transverse reciprocating mechanism, a cylindrical straight gear is connected on the straight rack I ina meshed manner, the bottom of the cylindrical straight gear is connected with a steering mechanism for driving a spraying disc to swing, and a lifting mechanism for adjusting vertical height of the spraying disc is arranged on the supporting frame. Irrigation is realized by spray-watering crops through the spraying disc, the spraying disc can swing for spraying through the steering mechanism in the process of spraying, and up-down height position of the spraying disc can be adjusted at the same time, so that adjusting is convenient, intensive spraying effect can be realized, and irrigation range of the crops is expanded greatly; nutritional liquid added into the water tank can be sufficiently and uniformly stirred through a stirring mechanism, so that synchronous spraying of the nutritional liquid together with irrigation water is facilitated, and growth of the crops is promoted effectively.

The invention relates to a micro-moistening pipe and a micro-moistening irrigation system. The traditional agricultural irrigation methods, such as water irrigation, canal irrigation and the like, are coarse and low in efficiency, and the utilization rate of water is about 10%, therefore, the waste of water resources is astonishing, and a series of problems, such as soil salinization and the like, are easy to cause. For overcoming the disadvantages existing in the traditional irrigation, the irrigation methods, such as sprinkling irrigation, trickle irrigation and the like, are spread and applied at home and abroad, but when these irrigation methods are used, the utilization rate of water is only about 50%, and about half of irrigation water is still wasted. The micro-moistening pipe comprises a hose with a double-layer structure, and the hose is composed of an inner pipe (1), and an outer pipe (2) of a permeable protective sleeve, wherein the wall of the inner pipe is provided with micro through holes (3), and the diameter of the micro through hole is 10-900 nm. The micro-moistening pipe and the micro-moistening irrigation system provided by the invention are used for water-saving agricultural irrigation and water-saving reclamation on saline-alkali lands.

The invention discloses an agricultural irrigation engineering hydraulic engineering pipe convenient to install. The agricultural irrigation engineering hydraulic engineering pipe comprises a first pipe and a second pipe which are arranged side by side, a first annular protruding block is arranged on the side wall of the side, close to the second pipe, of the first pipe, a second annular protruding block matched with the first annular protruding block is arranged on the side wall of the side, close to the first pipe, of the second pipe, two grooves are symmetrically arranged in the second annular protruding block, openings of the two grooves are arranged back to back, clamping blocks are connected to the inner walls of the grooves through first springs, clamping grooves matched with the clamping blocks are arranged on the side wall of the first annular protruding block, vertically-arranged sliding rods are arranged in the clamping grooves and penetrate the clamping groves, vertically-arranged first sliding grooves are symmetrically arranged on the inner walls of the two sides of the clamping grooves, and first sliding blocks are connected to the inner wall of the side, close to thesecond annular protruding block, of the first annular protruding block. The agricultural irrigation engineering hydraulic engineering pipe is easy, quick and convenient to mount and dismount, time issaved, and the working efficiency is improved.

The invention belongs to the technical field of agriculture, and particularly relates to an Internet of Things intelligent agricultural irrigation device and method based on deep learning. The devicecomprises a central processing device, a soil humidity sensor, a spray irrigation device, an image collection device, a meteorological collection sensor, a first data collection module, a second datacollection module, a third data collection module, an SVM classification module, a pre-processing module and a neural network module based on deep learning. Soil information, environment information and crop information are collected through an Internet of Things device, crops are recognized by adopting a deep learning method to judge crop category, growth stage, whether there is a sign of water deficiency or not and water deficiency degree, corresponding irrigation strategies are adopted according to moisture needs of each crop at different growth stages, and proper irrigation modes are selected for different crops, in this way, crop growth can be better promoted, and scientific irrigation is realized.

A linear water feed apparatus for use in agricultural irrigation includes a linear-move machine with a mobile truss assembly supporting a plurality of individual sprinklers and adapted for movement in a specified direction across a field to be irrigated. The truss assembly is oriented transverse to the specified direction, and a supply pipe is arranged in the specified direction along or within the field to be irrigated. The supply pipe mounts a plurality of water supply hydrants at spaced locations along the pipe, each of the hydrants enclosing a water supply valve. A docking station is supported at one end of the truss assembly closest to the supply pipe, and is adapted to engage and open successive ones of the water supply valves in the plurality of hydrants. The docking station assembly includes a docking station that is suspended from a frame for floating movement about at least three mutually perpendicular axes.

The invention discloses an ecological corridor for removing nitrogen and phosphorus of micro-polluted river water and a construction method thereof, which belong to the field of river water pollution treatment. The ecological corridor is positioned in a pond with an area of over 4,000m<2>; two or more parallel flow guide dams are formed along the length direction of the pond; adjacent flow guide dams are opposite to each other; the length of the flow guide dam is at least three fourths the length of the pond; a flow guide corridor is formed between the flow guide dam and a shore side and between the flow guide dams; floating plants or a fixed ecological floating bed is arranged in the flow guide corridor; and the water surface coverage of the ecological floating bed is 10 to 20 percent. The flow guide corridor is constructed by establishing the flow guide dam and the ecological corridor is constructed by arranging the ecological floating bed. The water quality index of most of the micro-polluted river water treated by the ecological corridor can reach and exceed the IV-V class standard in the national surface water quality standard (GB2002-3838). The purified water body finally flows out through an overflow outlet at the rear end of the system and used for fishery, landscapes, agricultural irrigation water and the like.

The present invention relates to the field of agricultural irrigation, more specifically, a variable-diameter self-rotating farmland irrigation nozzle, including a nozzle seat, a rotating pipe, a nozzle pipe, a diameter-changing device, a nozzle and a connecting piece; the nozzle pipe is provided with a spiral chute and rectangular chute, the number of turns of the spiral chute is one circle, and the two ends of the rectangular chute communicate with the upper and lower ends of the spiral chute; the diameter reducing device includes a socket sleeve, multiple blades, multiple supports Rod, variable-diameter plug core and plug-in column, multiple blades are arranged in the plug-in sleeve, the right end of the plug-in sleeve is connected to the variable-diameter plug core through a plurality of support rods, and the right end of the outer wall of the plug-in sleeve is provided with a plug-in column; A variable-diameter self-rotating sprinkler head for farmland irrigation, which has the beneficial effects of continuously changing the direction of sprinkling irrigation through self-rotation, and uniformly changing the distance of sprinkling irrigation and the range of sprinkling irrigation, which solves the problem of low service life of the sprinkler head and the range of sprinkling irrigation in the existing sprinkling irrigation technology. And the problem that the amount of sprinkler irrigation water is not easy to control.

The invention discloses a method and a device for configuring the water resource. The method comprises the steps of A, establishing an optimized model by taking land utilization maximization and water consumption minimization as a goal and taking surface water capacity constraint, available water capacity constraint of underground water, surface water irrigation proportion constraint, irrigation water requirement constraint, land utilization constraint, water reservoir capacity constraint and irrigation water capacity non-negativity constraint as constraint conditions; B, disassembling the optimized model into an upper bound sub model and a lower bound sub model according to a region interactive algorithm, introducing penalty coefficients through a type-2 fuzzy type reduction method, converting the upper bound sub model and the lower bound sub model into corresponding linear programming models, and solving the linear programming models; C, selecting different underground water use proportions, bringing the different underground water use proportions into the optimized model to compute, and obtaining a relationship between the underground water use proportions and a crop planting structure. By utilizing the method and the device, disclosed by the invention, the plan on water resource utilization under multiple uncertain conditions can be carried out, and a reasonable agricultural irrigation method can be provided.

The invention relates to the technical field of agricultural robots and in particular relates to an agricultural irrigation robot which comprises a crawler track unit as well as a bottom rack, whereina water tank is arranged at one end of the top of the bottom rack; a controller is arranged at the other end of the bottom rack; a rotation adjusting component is arranged above the water tank; a camera is arranged at one end of the rotation component; the rotation adjusting component comprises a rotating disc; a lifting component is arranged at the top of the rotating disc; the lifting componentcomprises a lifting plate; horizontal moving components are respectively arranged on both sides of the top of the lifting plate; a turning component is arranged at the output end of each horizontal moving component; an irrigation nozzle is arranged at the output end of each turning component; and a bidirectional driving component is arranged between the two horizontal moving components. By adopting the technical scheme, irrigation height adjustment is solved, crops of different heights can be irrigated by using the irrigation robot, in addition, irrigation spraying angles can be adjusted, theflexibility of irrigation spraying can be improved, the irrigation range can be widened, water tube dragging and water injection are not needed, and the labor and time can be saved.