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70 results about "Surface irrigation" patented technology
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Surface irrigation is where water is applied and distributed over the soil surface by gravity. It is by far the most common form of irrigation throughout the world and has been practiced in many areas virtually unchanged for thousands of years.
Water-conserving surface irrigation systems and methods
Preferred aspects of this invention relate to surface irrigation methods, systems and kits for irrigating a ground surface. In particular, these irrigation methods and systems are designed to conserve water and reduce run-off. Embodiments of the irrigation systems comprise a pipe and an emitter assembly, which comprises a sealing adapter, an emitter tube and a pressure compensating flow emitter. In preferred embodiments, such irrigation systems further comprise a controller adapted to transmit and receive data, including weather data, from a remote transceiver and adjust irrigation parameters for the system based on the data.
Owner:JARDINIER PLANTER SYST
Water-air coupled high-efficient irrigation system
InactiveCN102668947AMeet oxygen needsReduce lossClimate change adaptationWatering devicesPlant rootsWater source
Owner:LUDONG UNIVERSITY
Test system for simulating water flow movement law
InactiveCN101285731APrecise functionVersatileHydrodynamic testingEarth material testingWater storageWater flow
The invention discloses a test system used for simulating the law of surface irrigation water flow motion, comprising a tested soil body with an irrigation ditch on the surface; a watering device which is connected with the tested soil body through the irrigation ditch and supplies water for the soil body, comprising a water storage vessel, a flow tube, a water lifting unit, a conduit pipe and an energy dissipating water tank; and a surface water flow automatic video acquisition device which comprises a graduated scale arranged in the irrigation ditch, an image acquisition device, an image collecting device and an image display device. The law of surface irrigation water flow motion can be simulated through the system. The system has the advantages of comprehensive and accurate functions, high reliability and low cost.
Owner:CHINA AGRI UNIV
Root zone injection surface irrigation system
InactiveUS20050135880A1Fast absorptionDiffusion is fastRoot feedersSoil drainageEngineeringMoisture sensor
A surface irrigation apparatus and method, wherein water / nutrients are supplied to the surface irrigation apparatus through a water / nutrients supply conduit and distributed through a plurality of water / nutrient distribution conduits. Each water / nutrients distribution conduit includes a plurality of spaced “injection nozzles” through which water / nutrients are injected directly downward into the soil root zone of the plants, trees, or shrubs being cultivated. A valve and a controller to control the valve are also included. A moisture sensor can also be used to sense the moisture level in the soil to activate the controller.
Owner:STARK WILLIAM REYNOLDS
Ground irrigation control method based on surface water depth information
ActiveCN105353620AImprove calculation accuracyImprove management levelWatering devicesCultivating equipmentsWater flowSurface water
The invention discloses a ground irrigation control method based on surface water depth information, and belongs to the irrigation technology field. The method comprises the steps: measuring surface water depth and water current advancing time of measured points of a front half section of a target field in real time, substituting the surface water depth and water current advancing time into a ground irrigation model, solving a soil infiltration parameter initial value, substituting the soil infiltration parameter initial value into the ground irrigation model, solving a surface water depth analog value of all water measured points prior to predetermined measured points when the water currents of the front half section of the target field advance in the predetermined measured points, and taking the maximum average value of an error between the surface water depth analog value and a corresponding actual measured value as a target function to conduct inverse calculation and optimization on a soil infiltration parameter; and substituting the optimized soil infiltration parameter into the ground irrigation model, predicating a whole ground irrigation process, adjusting the irrigation time based on a predication result, and accurately controlling the ground irrigation process. According to the method provided by the invention, ground irrigation can be accurately controlled, the irrigation quality can be effectively improved, and the field management level can be improved.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES
Forest well type water-saving irrigation method
ActiveCN102792873AImprove utilization efficiencyPrevent and reduce evaporationClimate change adaptationWatering devicesWoodlotForest industry
The invention relates to the technical field of a forest water-saving irrigation method, and relates to a forest well type water-saving irrigation method which is performed according to the following steps: (1) measuring and checking the soil condition of the woodland requiring irrigation and determining the size of required porous silo pipes; (2) forming at least two holes matched with the porous silo pipes on the ground surface of root distribution region at the periphery of each forest; and (3) installing the porous silo pipes in the holes formed in the step (2). According to the invention, the conventional forest surface irrigation method is changed, water is directly irrigated to the underground forest root distribution regions by a conventional trickle irrigation system and the lateral leakage of the porous silo pipes, the ground surface is kept in a drier or dry state, and the capillary pipes of the soil in the irrigation humid region and the soil on the ground surface are in a breaking state, so that the surface evaporation after irrigation is greatly prevented and reduced, the water is effectively supplied for the forest root system, and the water utilization efficiency is improved to achieve a water-saving purpose.
Owner:XINJIANG ACADEMY OF FORESTRY SCI
Water-saving micro-irrigation system
InactiveCN103651051APromote growthReduce irrigation water consumptionLiquid fertiliser distributionWatering devicesWater savingAgricultural irrigation
The invention discloses a water-saving micro-irrigation system used for agricultural irrigation. The water-saving micro-irrigation system comprises a water source and a main pipe, wherein the main pipe is connected with the water source through a water pump, a micro sprinkling branch pipe and a drop irrigation branch pipe are arranged at the far end of the main pipe, a micro sprinkler is arranged on the micro sprinkling branch pipe, and a drop irrigation belt is arranged on the drop irrigation branch pipe. The main pipe is also provided with a fertilizer applicator and a filter, wherein a fertilizer amount regulating valve is arranged at the bottom of the fertilizer applicator, and the fertilizer applicator is connected with a fertilizer tank. The main pipe is further provided with a water supply pipe and a reservoir, wherein the water supply pipe and the reservoir are respectively connected with the main pipe. The water-saving micro-irrigation system has the advantages that a low-pressure pipeline system is used for making drop irrigation water wet the most developed area of a crop root system dropwise, slowly, uniformly and quantitatively so that soil in a main root system movement area of a crop can be kept in an optimal water containing state all the time. Drop irrigation is different from traditional surface irrigation which wets the soil in an all-area mode, and therefore drop irrigation can achieve the effects of lowering irrigation water capacity, promoting crop growth and increasing yield.
Owner:TIANJIN GREEN VISION ENERGY SAVING ENG EQUIP
Mountain economic forest rainwater gathering deep percolation device
InactiveCN105660322AReduce evaporation lossAvoid churnRoot feedersGeneral water supply conservationAridEvaporation
The invention discloses a mountain economic forest rainwater gathering deep percolation device. A water and fertilizer pit is formed in the uphill face of a fruit tree, a waterproof layer is arranged at the bottom of the water and fertilizer pit, a drainage pipe is vertically installed in the middle of the water and fertilizer pit, and the periphery of the drainage pipe is filled with an organic filler layer. A rain gathering film is laid at the upper end of the water and fertilizer pit, the fruit tree (economic tree) is planted on the slope face of the downhill position on one side of the water and fertilizer pit, a fish scale pit is formed along a trunk of the fruit tree (economic tree) and the water and fertilizer pit, and a water measuring pipe is vertically installed between the trunk and the water and fertilizer pit. According to the device, water-saving irrigation, the water and fertilizer integration technology and water and soil conservation are organically combined, compared with surface irrigation, the effects of water saving, water holding, fertilizer holding, fertilizer promoting, reduction of ammonia volatilization, reduction of water evaporation loss and effective prevention of water and soil loss are achieved, the device is low in cost, simple in technology, easy to operate, good in effect and easy to grasp, and therefore the device has wide application prospects in arid and semi-arid fruit industry regions of China.
Owner:NORTHWEST A & F UNIV
Moveable simple type deep drip irrigation method and device thereof
InactiveCN101142891AEasy to obtainSimple structureWatering devicesCultivating equipmentsDrip irrigationEngineering
The invention discloses a portable simple-typed deep drop irrigation method and a portable simple-typed deep drop irrigation device, which belongs to the water-saving irrigation technique. Although the irrigation device of the prior art can resolve the underground drop irrigation problem of the crops in the drought water-shortage area, the structure is complicate and the price is expensive, thereby being difficult to popularize. The invention is to drill holes on the earth near the root of the crop or the tree firstly, and to arrange a water-supply pipe adopting a PE renewable clarinet and being connected with a water accumulation container on the ground, and to use a heated steeple head with a diameter of 2 mm to pass through the wall of the water-supply pipe corresponding to the position of the drill hole to form a connecting hole; after the steeple head is withdrawn, a connector of a medical perfusion tube is inserted into the connecting hole; the other end of the perfusion tube is arranged into the drill hole of the earth after the pin is removed; when opening the water-supply valve, the drop irrigation can be executed. The invention not only overcomes the weakness that the water content on the surface of the earth in the ground irrigation is easy to be evaporated, but also has the advantages of simple equipment, easy material-fetching, less investment, fast efficiency, practicability and easy popularization.
Owner:步新源
Method of determining surface level, and a soil moisture sensor
ActiveUS8915131B2Accurate measurementSurveyClimate change adaptationSoil scienceSoil moisture sensor
A method of determining the surface level of an area subject to flood, furrow or surface irrigation. The method includes the steps of providing at least one measuring cup positioned below the surface level but within the area and providing a water level sensor within or integrated with the at least one measuring cup. The levels provided by the water level sensor are used to calculate the surface level by determining the inflection point between the rapid increase of the monitored levels when the front of irrigation water passes the water level sensor. A further aspect of the disclosure is the provision of a soil moisture sensor, said sensor comprising an auger adapted to be inserted into the ground with minimum soil disturbance, said auger having means for measuring soil moisture.
Owner:RUBICON RES PTY LTD
Jet flow aeration oxygen irrigation system
ActiveCN107493789AStabilize dissolved oxygen levelsRealize monitoringWater aerationLiquid fertiliser regulation systemsWater storageOxygenators
The invention relates to a jet flow aeration oxygen irrigation system. The system comprises a circulated aeration device, a pressure-bearing water box, a water storage box and a controller; the water storage box is communicated with the pressure-bearing water box; the circulated aeration device is communicated with the pressure-bearing water box; the circulated aeration device consists of an oxygenator, an oxygen diffuser and an air ejector; the oxygenator and the oxygen diffuser are connected with the controller. Compared with the prior art, the jet flow aeration oxygen irrigation system has the following advantages: secondary aeration is conducted through combination of a Venturi air ejector device and the oxygen diffuser, the oxygen enriched property of the aerated water is improved, the fact that the prepared water and gas mixing body can maintain a stable dissolved oxygen level in the long-distance water conveying process is guaranteed, and application of oxygen-adding irrigation in the field of surface irrigation such as flood irrigation, border irrigation and furrow irrigation is realized; different valve switches are provided, so that the system also can realize the functions of water and fertilizer coupled irrigation without adding oxygen and oxygen-adding water, fertilizer and gas coupled irrigation with single-time aeration and multi-time aeration.
Owner:NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
Plateau hillside drip irrigation system
InactiveCN106342659AMeet water requirementsImprove developmentWatering devicesSaving energy measuresPlant rootsWater source
The invention relates to the field of land irrigation, and discloses a plateau hillside drip irrigation system which is technically characterized by comprising a water storage tank, a water pipe, a drip irrigation pipe, a fixed plate, buried pipes and drip irrigation branch pipes, wherein the water storage tank is connected with the drip irrigation pipe through the water pipe, and the drip irrigation pipe is erected on a soil surface and arranged on the periphery of a tree. One end of each buried pipe is connected with the drip irrigation pipe, and the other end of each buried pipe is inserted into the soil surface and vertically connected with one drip irrigation branch pipe. The drip irrigation branch pipes are arranged on the peripheries of main roots of the tree, and drip irrigation ports are formed in the drip irrigation pipe and the drip irrigation branch pipes. By the aid of the structure, a surface irrigation system and a buried irrigation system simultaneously exist, the water supply requirements of plants for shallow soil and deep soil are met, and growth of plant roots is benefited. Each drip irrigation branch pipe is in the shape of a semi-arc, the permeation requirement of water needed by the plant roots is met, usage of the drip irrigation branch pipes is decreased, and waste of water resources and materials is reduced. The plateau hillside drip irrigation system solves the problem that an existing drip irrigation system is inapplicable due to large diurnal temperature difference, large slope and the like.
Owner:HEKOU MINGXING AGRI TECH DEV CO LTD
Sub-surface irrigation system
A system for controlling a moisture content below a surface area, where the system is installable in a recess above which the surface area will be located. The system comprises a substantially water impermeable first layer, a porous second layer and a water control basin which comprises means for controlling a moisture level of the porous second layer. The system enables liquid from the water control basin to be transported through the second layer by utilization of capillary forces, providing for an efficient sub-surface irrigation system which is easy to maintain. A method for providing such an irrigation system is also disclosed.
Owner:CAPILLARY CONCRETE LLC
Drip Irrigation System
InactiveUS20080196303A1Good flexibilityRoot feedersDispersed particle filtrationMyceliumPore water pressure
Most mushroom farmhouses employ surface irrigation for watering, which causes brown spot on mushroom, making the mushroom die or get brown, so cultivated mycelia become broken, preventing continued mushroom farming. In a drip irrigation system, water is flowed through any or both ends of the rubber outer tube (7a), 11a doubly inserted into blade scar of the dripping nozzle (11) or hose (7) only during water dripping, and the rubber outer tube (7a), 11a prevents direct exposure of blade scar to the culture medium layer, not contacting water with external oxygen, thereby preventing mycelia from being coated in the blade scar to clog water hole. Various alien substances are not introduced through the blade scars 6 formed in the flexible soft rubber, and insect control liquid and water is ejected without any clogging by water pressure to ensure effective dripping of water, nutrition liquid and insect control liquid to the culture medium layer of a mushroom cultivating plate.
Owner:KIM MIN SONG
Save-A-Tree-System Apparatus
An apparatus and system for irrigation is disclosed. The Save-A-Tree-System Apparatus is an apparatus for sub-surface irrigation which uses a rigid or semi-rigid tube with a plurality of fluid emitters disposed in the tube, which is buried in order to deliver irrigation to the root-zone of plants, which can be connected in series to efficiently direct irrigation to multiple locals, and which has an internal reservoir for the application of fertilizer, pesticide, fungicide, or the like, to an individual location to supplement system-wide treatment. Irrigation water or treated water is delivered from a source to the Save-A-Tree-System Apparatus via a connecting hose. A pressure regulator, filter and / or directional flow check valve may also be installed between the source and a Save-A-Tree-System Apparatus as needed to control the irrigation water that is delivered to the apparatus. The Save-A-Tree-System Apparatus may also simultaneously provide both aboveground and sub-surface irrigation and aeration.
Owner:ROSS THOMAS
Method for constructing water-circulation plant salinity gradient field testing ground
ActiveCN109964741AAvoid churnAvoid pollutionClimate change adaptationWatering devicesWater circulationEngineering
The invention discloses a method for constructing water-circulation plant salinity gradient field testing ground. The method comprises the construction processes of pool digging, laying of anti-seepage membranes, installation of seepage pipes, backfilling of planting soil, blending of groundwater and installation of a water circulation system. The anti-seepage membranes are laid at the bottoms andwalls of pools to prevent the situation that salty groundwater in the salt pools is lost and pollutes the groundwater, the perforated seepage pipes are installed at the bottoms of the pools, the groundwater flows back into the pipes through holes in the pipe walls, water taking pumps are adopted for ground surface irrigation or aerial spraying, the circulation of the groundwater is kept, and a salt stress test is conducted on plant leaves and roots.
Owner:THIRD INST OF OCEANOGRAPHY MINIST OF NATURAL RESOURCES
Technology for processing organic wastes by combined microorganisms
InactiveCN107721770ANo secondary pollutionBio-organic fraction processingExcrement fertilisersContinuous useLivestock manure
The invention discloses a technology for processing organic wastes by combined microorganisms. The technology includes the following steps: material preparation, material charging, primary fermentation, secondary fermentation, warehousing, and rechecking and dispatching. According to the technology, dry matter produced during livestock manure treatment is consumed by production, extracted water istreated and purified by using a follow-up process to reach the standard of culture water or surface irrigation water; electric constant-temperature equipment is used to perform steam sterilization onraw materials to clean the raw materials, then cooling is performed to a temperature environment suitable for growth of added beneficial bacteria, and the beneficial bacteria are added, are proliferated in large quantities and become a dominant flora. The formed combined microorganisms can completely replace all kinds of fertilizers except chemical fertilizers, and are small in usage amount, so that the labor intensity of users is greatly reduced, and also the working environment of the users is improved. After continuous use, the combined microorganisms increase the crop resistance and stress resistance, and indirectly reduce the usage amount of fertilizers and pesticides.
Owner:安徽艾维纳生物科技有限公司
Infiltrating irrigation method and system suitable for artificial revegetation slope
ActiveCN109287446AImprove efficiencyWet evenly and fullyWatering devicesCultivating equipmentsRevegetationPipeflow
The invention relates to an infiltrating irrigation method and system suitable for an artificial revegetation slope. The infiltrating irrigation system comprises a high-level water storage tank (1), awater pumping device (3), water conveying pipes, infiltrating irrigation pipes (5) and the artificial revegetation slope; the high-level water storage tank (1) is arranged on the upper portion of theslope, the outlet end of the water pumping device (3) is connected with the high-level water storage tank (1) through a water source transmitting pipe, and the water conveying pipes and the infiltrating irrigation pipes (5) are buried in a soil layer of the artificial revegetation slope; the infiltrating irrigation system is buried in soil, so that irrigation water directly acts on roots of plants, and the problem of large water evaporation caused by surface irrigation is solved; because the infiltrating irrigation pipes are directly buried in the soil, it is unnecessary to additionally arrange hard pipes inside the soil to support the infiltrating irrigation pipes, the infiltrating efficiency is improved, and the cost is saved.
Owner:中煤地质集团有限公司北京水工环地质勘查院
Field surface irrigation device
InactiveCN107148894AReduce lossRealize automatic irrigationWatering devicesPressurised distribution of liquid fertiliserWater resourcesEngineering
The invention discloses a field surface irrigation device. The field surface irrigation device comprises a water suction pump, wherein the water suction pump is connected with a water conveying main pipeline; a first gate valve, a filtering device, a water and fertilizer mixing device and a second gate valve are sequentially arranged on the water conveying main pipeline; a plurality of detachable branch pipelines are arranged on the water conveying main pipeline below the water outlet end of the second gate valve; a sub-control valve is arranged on each branch pipeline; the lower end of each branch pipeline is connected with a transverse field-in pipe; a plurality of gates are arranged at the side edge of each field-in pipe; the distance between the gates are consistent with the field distance; and a flow detector is arranged at the water outlet of each gate. The field surface irrigation device further comprises a temperature and humidity sensor, and the temperature and humidity sensor, the flow detector, the first gate valve, the second gate valve, the sub-control valve and the gates are in signal connection with a controller. The field surface irrigation device can supply both water and fertilizers during irrigation, saves manpower, material resources, water resources and time, greatly meets nutrition demands for crop growth, and facilitates automatic management.
Owner:FARMLAND IRRIGATION RES INST CHINESE ACAD OF AGRI SCI
Method of wild-growth-imitation planting of polyporus umbellatus in Pu-er mountainous area
The invention provides a method of wild-growth-imitation planting of polyporus umbellatus in the Pu-er mountainous area and belongs to the planting methods of polyporus umbellatus. The method comprises the following steps: firstly, selecting a wild forest satisfying the conditions that the dominant tree species (such as fagaceae, rubiaceae and theaceae) in primitive broad-leaved forests are present, under-forest soil is thick in soil humus, the gradient is greater than 20 degrees and the drainage is convenient; secondly, digging strip-shaped pits in the under-forest ground, which satisfies the above-mentioned conditions, in the selected area for planting polyporus umbellatus; thirdly, according to the requirement for polyporus umbellatus spawns, selecting wild or artificially-planted white polyporus umbellatus or grey polyporus umbellatus with lighter colors, the weight of each being greater than 15g; fourthly, digging strip-shaped pits 80cm long and wide and 30cm deep in the ground, paving the bottoms of the pits with tree leaves 5cm thick, placing sticks on the tree leaves at intervals of 3-5cm, placing honey fungi and polyporus umbellatus spawns close to the sticks, placing sandy soil of 10cm thereon for covering, laying tree leaves thereon, and digging drainage trenches around the pits for facilitating drainage of accumulated water in rainy days; fifthly, taking no special management measures in the growth process and only adding 2-3 times of manual forest water spray and surface irrigation in specially-dry seasons; sixthly, harvesting the medicinal materials after the polyporus umbellatus grow for three years.
Owner:张世定
Method for simulating surface water flow movement process during surface irrigation
ActiveCN105956327ARelatively small errorImprove simulation accuracyDesign optimisation/simulationSpecial data processing applicationsMeasurement pointSurface water
The invention discloses a method for simulating surface water flow movement process during surface irrigation, and belongs to the technical field of irrigation and water conservancy. The method comprises the following steps: a, acquiring surface relative elevation data, ridge surface roughness coefficient data and surface water infiltration rate data of a target ridged field; b, substituting the surface relative elevation data, the ridge surface roughness coefficient data and the surface water infiltration rate data into an improved full hydrodynamic equation, and carrying out numerical solution on the improved full hydrodynamic equation to obtain a simulation value of surface water depth of a certain measurement point in the target ridged field at a certain moment, and simulation values of vertical integral mean velocities of irrigation water flow along an x coordinate direction and a y coordinate direction; and C, obtaining simulation values of unit discharges of the irrigation water flow along the x coordinate direction and the y coordinate direction according to the simulation value of the surface water depth and the simulation values of the vertical integer mean velocities of the irrigation water flow along the x coordinate direction and the y coordinate direction. The method disclosed in the invention is high in simulation accuracy and simple in numerical value solution process.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES
Anti-aging PVC ground pipe
InactiveCN1699052AImprove deformation resistanceReduce curvatureLayered productsAbove groundLead phosphate
This invention relates to an aging resistant PVC above-ground pipe, which belongs to plastic pipe field. The improved PVC above-ground pipe comprises the following raw materials: polykoroseal 150, lead stearate stabilizer 2.3-2.5, phosphate lead 0.9-1.2,chlorinated polyethylene 4.5-5.0,copolyester copolymer 0.6-0.8,ultraviolet absorbent 0.1-0.25,and light calcium carbonate 5.0-8.0. The invention is designed specially for farmland surface irrigation, adding ultraviolet absorbent, dibasic lead phosphate and rutile type powder, which can delay the material degradation and increase life time. It also adds trapezoidal dabber in the entine of the pipe, which can enhance the resistance to deformation and decrease the bending of the pipe.
Owner:河北宝硕管材有限公司
Metering device and measuring method capable of accurately measuring irrigation water quantity in field
InactiveCN103759771AEasy to installFlexible operationVolume/mass flow by differential pressureSiphonChinese characters
The invention relates to an accurate measuring device, in particular to a metering device capable of measuring the irrigation water quantity in a field in real time when water is delivered to the field through the tail end of a canal system. The metering device capable of accurately measuring the irrigation water quantity in the field comprises a siphon pipe (1) which is in the shape like a Chinese character 'ji'. The middle portion of the siphon pipe (1) is provided with a top protruding upwards. The two ends of the siphon pipe (1) are provided with a water inlet (2) and a water outlet (3) respectively. A pressure hole (4) is formed in the top of the siphon pipe (1) and is connected with a high-precision pressure sensor (6). The high-precision pressure sensor (6) is connected with a micro-processing chip (7). The micro-processing chip (7) is connected with a liquid crystal display (8). The metering device is wide in application range, can be applied to all surface irrigation systems, is capable of being applied to water delivering to the field through the tail end of the canal system and can also be used for measuring water resources in the water delivering process.
Owner:CHINA AGRI UNIV
Simulation method of surface flow movement for ground irrigation
ActiveCN106055774AReduce computing timeGuaranteed calculation accuracySpecial data processing applicationsWater flowSimulation
The invention discloses a simulation method of surface flow movement for ground irrigation, pertaining to the field of ground irrigation. The simulation method comprises following steps: firstly, selecting a full hydrodynamic equation in the vector form as a ground irrigation model for simulation of surface flow movement in target border check ground irrigation; then, carrying out space-time dispersing operation on the full hydrodynamic equation in the vector form in order to obtain a space-time dispersing expression of the full hydrodynamic equation; and representing the space-time dispersing expression as q and h; finally, sorting out the space-time dispersing expression of the full hydrodynamic equation as a surface flow movement simulation equation with q and h as unknown. By solving the equation, q and h at each measuring point in the target border check such that surface flow movement in the target border check for ground irrigation can be simulated. The simulation method is capable of conveniently and easily calculating so that simulation calculation time can be effectively shortened. The method is of high calculation precision and suitable for simulation of surface flow movement for large scale ground irrigation.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES
Transplanting and drip irrigation-integrated machine for selenium-contained watermelons
PendingCN108353761ASolution depthSolve the problem of poor moisture conservation effectWatering devicesTransplantingAgricultural engineeringDrip irrigation
The invention discloses a transplanting and drip irrigation-integrated machine for selenium-contained watermelons. The machine includes a rack, the two sides of the front end of the rack are providedwith furrow openers, the opposite sides of the middle of the rack are provided with vehicle wheels respectively, the two vehicle wheels are connected through a shaft, a mulching film frame is also arranged on the rack, the upper part of the mulching film frame is provided with a drip irrigation frame, a drip tube belt is installed on the drip irrigation frame, the two sides of the back end of therack are provided with film mulching devices respectively, film pressing wheels are arranged between the film mulching devices and the mulching film frame, and a seedling transplanting device is alsoarranged above the front end of the rack. The machine can integrate seedling arrangement, surface irrigation and film mulching, the labor intensity is reduced, and the cost is reduced.
Owner:中卫市天元锋农业机械制造有限责任公司
Water and fertilizer integrated portable fertilizer dissolving and injecting machine applicable to surface irrigation
ActiveCN105993354AEasy to operateImprove the uniformity of fertilizationPressurised distribution of liquid fertiliserAgricultural engineeringThrottle
The invention relates to a water and fertilizer integrated portable fertilizer dissolving and injecting machine applicable to surface irrigation. The machine comprises a fertilizer dissolving system, a fertilizer injecting system and a storage battery, wherein the fertilizer dissolving system comprises a fertilizer dissolving barrel and a fertilizer stirring and grinding pump; a liquid outlet of the fertilizer dissolving barrel is connected with the fertilizer dissolving system; the fertilizer injecting system comprises a pull type telescopic fertilizer injector and a throttle valve. According to the machine, in view of water supply characteristics of surface irrigation such as border irrigation and furrow irrigation, the designed fertilizer injector can be subjected to length change through pulling telescoping and can adapt to different border width and furrow width conditions in production. During irrigation, the pull type telescopic fertilizer injector is placed at an inner side of an irrigation water border inlet, and injected fertilizer fluid and irrigation water can be mixed thoroughly and are uniformly distributed to root layers of crops of border checks, so that not only is the operation simple, but also the uniformity of fertilizer application is apparently higher than that of treatment of broadcasting a fertilizer and then irrigating.
Owner:SHANDONG AGRICULTURAL UNIVERSITY +1
Surface water depth information based ground irrigation control method
ActiveUS20180249648A1Improve calculation accuracyImprove the level ofWatering devicesCultivating equipmentsMeasurement pointSoil infiltration
The present invention discloses a method for controlling surface irrigation based on surface water depth information, which belongs to the technical field of irrigation. The method comprises: measuring in real time surface water depths and water stream advancing durations of each of measuring points in a first half of a target farmland block, and substituting them into a surface irrigation model, to obtain initial values of soil infiltration parameters, substituting the initial values of the soil infiltration parameters into the surface irrigation model, to obtain analogue values of surface water depths of each of measuring points having water before a preset measuring point when the water stream in the first half of the target farmland block has advanced to the preset measuring point, by using the objective function that the average value of the errors of the measured values that are corresponding to it is minimum, reversely solving and optimizing the soil infiltration parameters, and substituting the optimized soil infiltration parameters again into the surface irrigation model, to predict a complete process of the surface irrigation, and adjusting an irrigation duration according to the prediction result, thereby realizing accurately controlling on the surface irrigation process. The method that is provided by the present invention can accurately control surface irrigation, to effectively improve the irrigation quality and promote the level of field management.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES
Anti-blocking drip irrigation pipe
InactiveCN110476784AOutflow smoothlyAvoid cloggingWatering devicesCultivating equipmentsDrip irrigationHeight difference
The invention discloses an anti-blocking drip irrigation pipe. The anti-blocking drip irrigation pipe comprises a main pipeline, a plurality of branch pipelines and drippers, and is characterized in that the branch pipelines are shapable hoses, and the diameter of the main pipeline is larger than that of each branch pipeline; one end of each branch pipeline is connected with the main pipeline, andthe other end of each branch pipeline is connected with the corresponding dripper; the anti-blocking drip irrigation pipe further comprises water delivery ropes arranged in the branch pipelines, oneend of each water delivery rope extends into the main pipeline, and the other end of each water delivery rope extends into the corresponding dripper; the branch pipelines encircle the water delivery ropes, there is a height difference between the drippers and the main pipeline, and the drippers are lower than the main pipeline; each dripper is of a conical structure and is provided with an inner cavity, and the water delivery ropes extend into the inner cavities; the conical side face of each dripper is provided with a plurality of openings. The drip irrigation pipe has high anti-blocking performance and can realize fixed-point irrigation; besides, the drip irrigation pipe can be used for surface irrigation and can also be used for buried irrigation, and change is flexible; moreover, pipeline laying is easy.
Owner:GUANGZHOU UNIVERSITY
Surface irrigation water flow movement measuring instrument
InactiveCN1477376ASave human effortEasy to useMachines/enginesLubrication indication devicesData processing systemMeasuring instrument
The present invention relates to a surface irrigation water flow movement measuring instrument. The interior of the cylinder body is equipped with power supply, data acquisition sensor and data processing system. Its sensing portion is contact sensor, on the circuit board several contact points are set, and a part of them can be used as an electrode, and the lower portion of cylinder body is equipped with water inlet and water outlet, and when the water is flowed into said cylinder body, the water and all the contact points are formed into the loop to give out electric signal, said signal canbe collected by data acquisition device, and fed into data processing system, coded, stored and processed, and can be displayed on the screen. It can be used for monitoring surface irrigation water flow movement.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES
Drop irrigation micro-seepage intelligent high efficient water-saving irrigation system
InactiveCN104885887ALow speed uninterrupted flowImprove anti-clogging performanceRoot feedersWater savingEvaporation
The invention discloses a drop irrigation micro-seepage intelligent high efficient water-saving irrigation system, which comprises a host processor, a solar extension controller, an electromagnetic valve, a solar soil humidity detector, a flowmeter, a water box and a pipeline, wherein the host processor is mounted indoor and is respectively connected to the solar extension controller, a computer and a cellphone in a wireless way through 4G wireless signals; the water box is connected to the pipeline through an electromagnetic total vlave; the pipeline is constituted of a main pipeline, branch pipelines and drop irrigation micro-seepage pipelines; two or more branch pipelines are provided; four or more drop irrigation micro-seepage pipeline are provided; and the electromagnetic valve, the flowmeter and the solar soil humidity detector is mounted on each of the drop irrigation micro-seepage pipeline. According to the invention, water can be supplied in atmospheric pressure without electric power and dynamic power; the water can be directly sent to the root portion for avoiding the loss of evaporation and leakage, thus realizing the high efficient water-saving effect; and compared with the surface irrigation, water can be saved more than 80 percent, even to 90 percent.
Owner:ZHUMADIAN HUAXUAN INDS
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