44results about How to "Improve watering uniformity" patented technology

The invention discloses a fluidic impulse tee joint. The fluidic impulse tee joint comprises an inlet section, a fluidic element and two outlet sections. When the tee joint is applied to a micro-irrigation system, the inlet section is connected with a branch pipe, the fluidic element is located between the inlet section and the outlet sections, the two outlet sections are respectively connected with hair pipes, water flow passes through the inlet section from the branch pipe and enters into the fluidic element, the fluidic element generates impulse water flow, the water flow flows alternately in the two hair pipes intermittently according to a certain frequency, impulse water flow is formed in the hair pipes, the impulse water flow in the hair pipes enters an watering device, intense turbulent fluctuation and impact water flow is formed in the watering device, and the anti-blocking performance and the watering uniformity of the watering device are enhanced. The fluidic impulse tee joint has the advantages of being simple in structure and processing process, low in production cost and convenient to install and use. The fluidic impulse tee joint can be widely applied to irrigation requirements of field crops, vegetables, forest, fruits and the like.

The invention provides a drip irrigation tape with pasters inlaid internally. The drip irrigation tape with the pasters inlaid internally is characterized in that the drip irrigation tape comprises a drip irrigation tape body and a plurality of paster drippers inlaid in the inner wall of the drip irrigation tape body at equal intervals, wherein each paster dripper comprises a filtering part, a labyrinth flow channel and a water outlet groove, the filtering part is composed of a plurality of filtering grooves, the width of each filtering groove is 0.5 mm, one end of the labyrinth flow channel is communicated with the filtering part, the other end of the labyrinth flow channel is communicated with the water outlet groove, and the water outlet channel is communicated with a water outlet hole in the drip irrigation tape body; all the paster drippers are located in two mark lines. The drip irrigation tape with the pasters inlaid internally has the advantages that the drip irrigation tape with the pasters inlaid internally is high in production efficiency, convenient to package, easy to transport, stable in flow, capable of customizing flow according to water requiring characteristics of crops, high in anti-blocking performance and good in water irrigation uniformity; the drip irrigation tape can be directly laid in a specific position to be installed, and thus construction is fast to perform; irrigation can be carried out as long as a valve is opened; the drip irrigation tape with the pasters inlaid internally can be used for accurately applying fertilizer as water and fertilizer integration equipment, time, labor, effort and land are saved, a user is free from worry, production and income are improved, and the drip irrigation tape is environmentally friendly.

The invention discloses a jet tee joint for micro-irrigation. The jet tee joint comprises an inlet section, a jet element and two outlet sections. When the jet tee joint is applied to a micro-irrigation system, the inlet section is connected with a branch tube, the jet element is positioned between the inlet section and the outlet sections, each of the two outlet sections is connected with a capillary tube, water flow passes the inlet section via the branch tube to enter the jet element so as to generate jet wall attachment effect, and under the feedback effect of water pressure load in the capillary tubes, wall-attached water flow generates intermittent deflection to enable the water flow to flow in the two capillary tubes alternately according to certain frequency, pulse water flow is formed in the capillary tubes and then enters an irrigation emitter, and strong turbulent and impacting water flow is formed in the irrigation emitter so as to improve anti-clogging capacity and irrigation uniformity of the irrigation emitter. The jet tee joint has the advantages of simple structure, reliability and high durability, can be formed by one-step injection molding, and is simple in machining process, low in manufacturing cost, convenient to mount and use, and applicable to various micro-irrigation systems for field crops, vegetables, forestry and fruit industry and the like.

The invention relates to an efficient sugar cane cultivation method based on a long-acting underground drip irrigation system. A sugar cane underground drip irrigation system arrangement form and a sugar cane wide-narrow row planting mode are provided, the service life of an the underground drip irrigation system is prolonged, labor intensity is remarkably relieved, and labor productivity is improved. A field management water-fertilizer-air-pesticide integrated technique used with the sugar cane underground drip irrigation system is further provided to make full use of the underground drip irrigation full-pipeline system for irrigation, fertilizer and pesticide application and aeration, and accordingly sugar cane yield is effectively increased, early growth and quick tillering of sugar canes are promoted, yield increase and quality improvement are realized, and increasing of yield and incomes of peasant households is promoted. By providing of a capillary pipe arrangement matched underground drip irrigation system filter type selection and combination mode, an irrigation device blockage control method and an underground insect and mouse gnaw damage prevention method, normal and stable operation of the underground drip irrigation system in a sugarcane ratoon crop period is guaranteed, irrigation uniformity of the underground drip irrigation system is improved, and the service life of the underground drip irrigation system is prolonged.

The invention discloses an intermittent combination and irrigation method for brackish water and freshwater in saline-alkali soil, pertaining to the technical field of irrigation. The method is mostly aimed at solving problems in the prior art such as serious waste of freshwater resources, low utilization rate, poor irrigation evenness and soil secondary saline-alkalization. The method comprises the following processing steps: field investigation; sampling of soil samples; sampling of water samples; analyses of soil samples; analyses of water samples; production and installation of test equipment. In terms of design of an experiment scheme, the experiment scheme comprises all freshwater direct irrigation, brackish water direct irrigation, brackish water and freshwater intermittent and combined irrigation. The brackish water and freshwater intermittent and combined irrigation comprises the combination sequence including the step of firstly irrigating brackish water and then freshwater and the step of firstly irrigating freshwater and then brackish water. The intermittent time include 0 min, 30 min, 60 min and 120 min. The intermittent combination and irrigation method for brackish water and freshwater in saline-alkali soil helps improve evenness of irrigation, reduce seepage of deep layers and improve saline-alkaline soil.

The invention discloses an inclined tube sedimentation tank water distribution rectification device which comprises a plurality of guide plates, wherein each guide plate is divided into an upper part and a lower part; the upper half parts are vertical guide plates with adjustable guide windows; the lower half parts are inclined guide plates; a feedback device is arranged below the guide plate; the feedback device is used for measuring the flow inside gaps among different guide plates by using a plurality of speed measuring probes; the opening direction of the adjustable guide window can be adjusted according to the flow measured by the feedback device. With the combination of different guide windows, the uneven phenomenon caused by factors such as density flow and turbulent flow can be reduced to the maximum under the condition that normal flocculation is ensured, flocculation can be achieved by sufficiently utilizing the effective volume of a water distribution area, and the flocculation effect can be improved. By reducing the uneven flow phenomenon, the maximum flow speed of water into a sedimentation area can be effectively reduced, stable transition from flocculation to sedimentation can be achieved, and the disturbance of the water fed into the sedimentation area to suspended sludge can be reduced.

The invention relates to a detachable and washable combined pressure compensation emitter between tubes. The emitter comprises an emitter body, a pressure compensation film, a water outlet annular cavity and a flexible screw tube; a fixed screw tube is arranged at one end of the emitter body, and the flexible screw tube is connected to the other end of the emitter body through threads; a first labyrinth channel is formed in the portion, located between the fixed screw tube and the flexible screw tube, of the outer wall of the emitter body, and the head and tail of the first labyrinth channel are water inlets communicated with the interior of the emitter body; the water outlet annular cavity is formed in the outer portion, located between the fixed screw tube and the flexible screw tube, of the emitter body; the pressure compensation film is arranged between the water outlet annular cavity and the emitter body in an annular mode, and both ends of the pressure compensation film are limited by the fixed screw tube and the flexible screw tube; a second labyrinth channel is formed in the inner wall of the water outlet annular cavity, and the tail end of the second labyrinth channel is a water inlet communicated with the outer portion of the water outlet annular cavity; a film flow passing hole which enable the first labyrinth channel to be communicated with the second labyrinth channel is formed in the pressure compensation film.

The invention provides a crop planting rack. The crop planting rack comprises supporting parts, a top frame, a glass plate, a closing component, an irrigation component and a planting rack body. The planting rack body is assembled in the supporting parts, the top frame is fixed to the upper end of the planting rack body, the glass plate is mounted in the top frame, the closing component is mountedin the supporting parts, and the irrigation component is mounted in the supporting parts on the front side of the closing component. The closing component comprises a winding roller, a compression ring, a first slider, a first electric push rod, a first slide groove, a closing film, a second slide groove, a second electric push rod, a concave plate, a column groove and a retaining plate. The irrigation component comprises a groove, a screw rod, a ball nut seat, a nozzle, a water pipe, stirring frame, a moving rod, a feeding hopper and folding pipes. Compared with the prior art, the crop planting rack has advantages that closing is realized, adaptability is improved, irrigation uniformity improvement is realized, and simplicity in operation and convenience in adding of nutrients and liquidagents are achieved.

The invention discloses a wide-ridge mulching furrow-irrigation method in a greenhouse. According to the wide-ridge mulching furrow-irrigation technology method, 60% water regulated deficit irrigationtreatment is performed in the seedling stage, 70% water regulated deficit irrigation treatment is performed in the flowering and fruit setting stages, and 70% water regulated deficit irrigation treatment is performed in the fruiting stage. In the test, greenhouse tomatoes are used as research objects, and three level irrigation lower limits are set to be 50%, 60% and 70% of field water capacity,and influences of the wide-ridge mulching furrow-irrigation technology on the growth, water consumption and yield and water utilization efficiency of the sunlight greenhouse tomato fruits and plants are studied. The technical method provided by the invention saves water 25% or more than conventional furrow irrigation; the method improves the soil temperature, and effectively inhibits growth of weeds; the method can effectively reduce the air humidity in the greenhouse, and reduce the disease incidence rate and the disease index; and method facilitates improvement of the yield and the water utilization efficiency, and promotes growth of a root system. At the same time, mulching at the furrow bottom can increase horizontal lateral infiltration, accelerate an advance speed of a water flow infurrows, and improve the irrigation uniformity and irrigation efficiency while reducing vertical seepage.

The invention discloses an annular pipe network irrigation system. The annular pipe network irrigation system comprises a first part, a main pipe, sub-main pipes, water supply plugs, branch pipes, andcapillary pipes, wherein the first part comprises a pressurization system and a filtration system, the first part communicates with a water source, the main pipe communicates with the first part, thesub-main pipes communicate with the main pipe, the water supply plugs are arranged on the sub-main pipes, the branch pipes communicate with the sub-main pipes through the water supply plugs, the capillary pipes communicate with the branch pipes, the sub-main pipes are at least two, one end of each sub-main pipe communicates with the main pipe, the other ends of the sub-main pipes communicate witheach other, and an annular pipe network is formed between the main pipe and the sub-main pipes. The system has the advantages of small water loss, stable water supply, convenient maintenance and highpipeline utilization rate, and is mainly used for conveying water in farmland irrigation systems.

An unobstructed full-circle sprinkling and stabilized pressure drip-proof micro atomizer comprises a cap, a body fitly mounted to the cap, and a reflector connected with the body. The unobstructed full-circle sprinkling and stabilized pressure drip-proof micro atomizer is characterized in that the body is connected with the reflector through a fixing rod with T-shaped section, the body is hollow and is internally provided with a cavity having T-shaped section and fitting mounting of the fixing rod, the reflector is provided with a fixing rod mounting hole, the fixing rod is mounted in the cavity of the body, the tail end, extending out, of the fixing rod is inserted to the reflector and in tight fit with the fixing rod mounting hole. A mounting and application method of the atomizer includes: the atomizer is mounted; the cap is connected to an inflow pipe of a spray irrigating unit in a threaded manner or through a bevel connector; an opening pressure value of the atomizer is determined according to magnitude of elasticity of a pressure-stabilizing drip-proof membrane; when interior water pressure of the inflow pipe is higher than the opening pressure value of the atomizer, spray irrigation water flows through the pressure-stabilizing drip-proof membrane and is atomized by the reflector, and full-circle sprinkling starts.

The invention discloses a sliding block reversing jet flow tee joint and pulse micro-irrigation system, and belongs to the technical field of agricultural irrigation, the sliding block reversing jet flow tee joint and pulse micro-irrigation system comprises a water pump, a fertilizing device, a filtering device, a main pipe, branch pipes, capillary pipes, jet flow pulse tee joints, capillary pipe joints, drippers, valves, branch pipe joints and main pipe joints; pressure water flow enters the jet space through the jet pipe to form jet, and the wall attachment effect is generated. A sliding block air pressure reversing device is arranged, the atmospheric pressure acting direction is periodically changed, and the jet flow direction is periodically and alternately changed. The jet flows are switched and flow in the jet flow pulse tee joint according to a certain frequency, pulse water flow is generated and enters a pipeline of the micro-irrigation system, strong turbulent fluctuation and impact water flow are formed in the irrigation emitter, and the anti-blocking capacity and the irrigation uniformity of the micro-irrigation system are enhanced. The jet pulse tee joint is more stable in jet reversing, pulse parameters can be designed according to needs, and the jet pulse tee joint is simple and reliable in structure, high in durability, convenient to machine and low in manufacturing cost.

The invention relates to an on-pipe type water irrigator which is characterized by comprising an inlet water guide part, a flow channel cover plate, a round elastic piece, a base, a scraping piece cover plate, an elastic supporting part, an adjusting cavity and an outlet cavity body; a water inlet and a flow channel groove are formed in the inlet water guide part, and the flow channel cover plate is arranged at the top of the inlet water guide part, a flow channel convex body is arranged on the flow channel cover plate, and a flow channel is defined between the flow channel groove and the flow channel convex body, one end of the flow passage is provided with a flow passage inlet, and the other end of the flow passage is provided with a flow passage outlet communicating with a supporting cavity; a drainage hole is formed in a partition plate of the base, and the base is in sealed connection with the inlet water guide part; the circumferential edge of the round elastic piece is tightly fixed at the bottom of the partition plate, and the bottom of the round elastic piece is supported at the top of the supporting cavity, and a water passing hole is formed in the bottom of the adjusting cavity; the adjusting cavity is in sealed connection with the base, and water outlets are formed in the side wall of the adjusting cavity; scraping pieces of the scraping piece cover plate are connected with the water outlet in a sliding mode; the elastic supporting part is arranged between the adjusting cavity and the scraping piece cover plate; the water outlet cavity is hermetically connected with the base, and a water outlet is formed in the top of the water outlet cavity.

The invention relates to a film hole furrow irrigation method for saline-alkali land soil, and a mulching film puncher. The film hole furrow irrigation method includes arranging a field water deliverysystem, laying a plastic film in an irrigation ditch, opening multiple rows of film holes in the side wall of the irrigation ditch, and injecting water into a sublateral canal, a water delivery ditchand the irrigation ditch to irrigate crops on ridges between the ditches. The mulching film puncher comprises a connecting rod and a supporting rod which are arranged in a coaxially sleeved mode. A punching cylinder is connected to the lower end of the supporting rod in a coaxially communicated mode. A punching ring cutter is coaxially arranged at the lower end of the punching cylinder. The lowerend of the connecting rod extends into the punching cylinder, and is provided with a sliding soil compaction disc. The upper end of the connecting rod extends above the supporting rod, and is provided with a press plate. When the press plate is pressed down to the top of the supporting rod, the sliding soil compaction disc moves downwards to be close to a plane where the punching ring cutter is located. The film hole furrow irrigation method and the mulching film puncher have the advantages that two irrigation forms, namely furrow irrigation and drip irrigation, are integrated, so that water-saving irrigation is achieved while problems, such as uneven irrigation frequently occurring in furrow irrigation and salt accumulation of soil surface layers in drip irrigation, are solved.

The invention provides a crop planting rack. The crop planting rack comprises supporting parts, a top frame, a glass plate, a closing component, an irrigation component and a planting rack body. The planting rack body is assembled in the supporting parts, the top frame is fixed to the upper end of the planting rack body, the glass plate is mounted in the top frame, the closing component is mountedin the supporting parts, and the irrigation component is mounted in the supporting parts on the front side of the closing component. The closing component comprises a winding roller, a compression ring, a first slider, a first electric push rod, a first slide groove, a closing film, a second slide groove, a second electric push rod, a concave plate, a column groove and a retaining plate. The irrigation component comprises a groove, a screw rod, a ball nut seat, a nozzle, a water pipe, stirring frame, a moving rod, a feeding hopper and folding pipes. Compared with the prior art, the crop planting rack has advantages that closing is realized, adaptability is improved, irrigation uniformity improvement is realized, and simplicity in operation and convenience in adding of nutrients and liquidagents are achieved.

The invention relates to a capillary inlet flow regulator. The capillary inlet flow regulator is characterized by comprising a cylindrical water outlet base, a water inlet cover, a core seat and a disk-shaped elastic membrane, wherein a round hole is arranged on the sidewall of the water outlet base, a cylindrical joint pipeline is arranged on the circumference of the round hole, the water inlet cover is arranged on the top portion of the cylindrical joint pipeline, a water inlet communicated with the cylindrical joint pipeline is arranged on the cover plate, the core seat is arranged in the cylindrical joint pipeline and comprises a round bottom plate, a cylindrical retaining wall is arranged on the top portion of the round bottom plate, a water inlet ring is formed between the periphery of the cylindrical retaining wall and the cylindrical joint pipeline, a central water outlet is arranged at the center of the round bottom plate, a plurality of fan rings protruding upwards are arranged at intervals on the circumference of the central water outlet, surfaces of the fan rings are arc-shaped, groove runners are formed between every two adjacent fan rings, a central jacking column protruding upwards is arranged in the central water outlet, detachable adjusting plates are respectively arranged at positions, corresponding to the groove runners, on the cylindrical retaining wall, and the disk-shaped elastic membrane is arranged in the cylindrical retaining wall and above the fan rings and the central jacking column.

The invention relates to a potted plant soil loosening device, and belongs to the field of agricultural machines. The potted plant soil loosening device comprises a lifting handle, a main switch, a control switch, a handle, a gear, a sleeve III, a connecting shaft III, a central shaft, a stepping motor, a motor box, a straight pole I, a straight pole II, a central pole, a rack I, a connecting shaft I, a sleeve I, a rack II, a connecting shaft II, a sleeve II, a fixed knob I, an annular base I, a spring, a groove, an annular base II, a diagonal rod, a ridger, a spring latch, an anti-swinging shield, a pin, a fixed knob II, a sleeve IV, a soil loosening pointed end I, a soil loosening pointed end II, a bolt I, a nut I, a bolt II, a nut II, a sheet, a circuit main switch, a positive rotation switch, a reverse rotation switch, a bolt III and a nut III. By adopting the potted plant soil loosening device, the leakage and loss of soil moisture and soil elements caused by cracks can be effectively avoided; flattening and proper compacting operation on loosened soil can be realized; semi-automation can be realized.

The invention relates to a detachable and washable combined pressure compensation emitter between tubes. The emitter comprises an emitter body, a pressure compensation film, a water outlet annular cavity and a flexible screw tube; a fixed screw tube is arranged at one end of the emitter body, and the flexible screw tube is connected to the other end of the emitter body through threads; a first labyrinth channel is formed in the portion, located between the fixed screw tube and the flexible screw tube, of the outer wall of the emitter body, and the head and tail of the first labyrinth channel are water inlets communicated with the interior of the emitter body; the water outlet annular cavity is formed in the outer portion, located between the fixed screw tube and the flexible screw tube, of the emitter body; the pressure compensation film is arranged between the water outlet annular cavity and the emitter body in an annular mode, and both ends of the pressure compensation film are limited by the fixed screw tube and the flexible screw tube; a second labyrinth channel is formed in the inner wall of the water outlet annular cavity, and the tail end of the second labyrinth channel is a water inlet communicated with the outer portion of the water outlet annular cavity; a film flow passing hole which enable the first labyrinth channel to be communicated with the second labyrinth channel is formed in the pressure compensation film.

The invention relates to an underground micro-tube irrigation system capable of adjusting a wetting range, which comprises a water level control box, a capillary tube communicated with the water level control box and a plurality of sleeves fixedly connected and communicated with the capillary tube, the capillary tube and the sleeves are positioned in soil, and the communication point of the capillary tube and the water level control box is lower than a water inlet of the water level control box in the height direction. A water inlet of the water level control box is communicated with a water supply branch pipe through a floating ball valve; and the sleeve is vertically arranged, a micro pipe is arranged in the sleeve, and the upper end of the micro pipe extends into soil above the sleeve. The water level in the water level control water tank is automatically adjusted through a floating ball valve in the water level control water tank, the water level in a sleeve can be controlled according to the communicating pipe principle so as to adjust the irrigation wetting range, and timely adjustment can be conducted according to the growth condition of crop roots; and the micro-pipe irrigation technology is carried out by utilizing the capillary action principle, the problem of blockage of the underground irrigation emitter is well solved, water can be accurately supplied at proper time and proper amount, and the irrigation uniformity and accuracy are improved.

A double-ellipsoidal streamlined rotator irrigation emitter plug comprises a plug back taper. A plug water inlet is formed in the upper end face of the plug back taper, the lower surface of the plug back taper is sequentially communicated with a plug taper neck, a dropper cavity and a dropper water outlet pipe from top to bottom, the contour line of the cross section of the plug back taper is a double-ellipsoidal streamlined curve, the contour line of the cross section of the plug taper neck is a double-ellipsoidal streamlined curve, and the area of the double-ellipsoidal streamlined curve ofthe upper end face is as same as that of the double-ellipsoidal streamlined curve of the lower end face. According to the double-ellipsoidal streamlined rotator irrigation emitter plug and a mountingmethod thereof, the problem of great local head loss can be solved, and the plug form resistance of an irrigation emitter is maximally reduced.

The invention discloses a capillary pressure adjuster and an irrigation system. The pressure adjuster comprises an upstream shell, a downstream shell and a pressure adjusting assembly, wherein the pressure adjusting assembly comprises an adjusting body and a first sleeve connection body; the outer diameter of the adjusting body is gradually reduced form upstream to downstream; a transition sectionof which the inner diameter is gradually reduced from upstream to downstream is arranged in a cavity of the downstream shell; a first flow channel is formed between the adjusting body and the transition section; a second flow channel is formed between a second sleeve connection body in a cylindrical section of the downstream shell and the cylindrical section; the first sleeve connection body andthe second sleeve connection body are connected with each other in a sleeving manner and are provided with sealing pieces; a spring is arranged between the first sleeve connection body and the secondsleeve connection body; and an air channel is formed in a connecting portion between the second sleeve connection body and the cylindrical section. The capillary pressure adjuster is stable in performance and large in conveyance capacity; irrigation uniformity of the irrigation system can be ensured; moreover, the capillary pressure adjuster is simple in structure, small in number of parts and convenient to mount; and the manufacturing cost and using cost are further reduced favorably.

The invention provides a device for improving the uniformity of farmland irrigation, which belongs to the technical field of agricultural irrigation and includes a water tank, a walking frame, an irrigation frame and a hose. The upper end surface of the water tank is provided with a track, and the track is set along the length direction of the water tank; the bottom of the walking frame is provided with rollers, the walking frame is provided with a connecting pipe, and a water pump is installed at the lower end of the connecting pipe; one end of the watering frame is connected to the walking frame, and the other There is an auxiliary wheel at one end, and a supporting plate arranged along the length of the watering frame is connected to the lower part of the watering frame; the hose is laid on the supporting plate, the inlet of the hose is connected to the upper end of the connecting pipe, and the axis of the hose is provided on both sides. Multiple outlet holes. The invention also provides a method for improving the uniformity of farmland irrigation. The invention provides a device and method for improving the uniformity of farmland irrigation, which makes field irrigation more uniform, without manual water modification, manual repeated laying and recycling of pipes, and saves time and effort.

The invention discloses a load feedback jet pulse water dropper, and relates to the technical field of water-saving agriculture, the load feedback jet pulse water dropper comprises a main body, the main body is connected with a filtering inlet, two labyrinth flow channels are arranged in the main body, and the tail end of each labyrinth flow channel is provided with a water outlet cavity; the two water outlet cavities are jointly connected to the same water outlet hole, the sectional area of the water outlet hole is smaller than the minimum overflowing sectional area of the labyrinth flow channel, a plugging device is further arranged between the two water outlet cavities, and the plugging device can reciprocate between the two water outlet cavities to plug one of the water outlet cavities. The invention further discloses a drip irrigation system adopting the load feedback jet pulse water dropper. According to the invention, the pulse amplitude can be increased, the pulse drip irrigation oscillation effect can be improved, and the anti-clogging capability can be improved.