System of amelioration in discrete furrow irrigation
SUBSTANCE: system comprises a source of irrigation, water intake facilities connected to self-pumped pipeline, irrigation sites with compacted irrigation furrows. The self-pumped pipeline is connected through valves with diaphragm actuators to a pair of distribution pipelines. The irrigation pipelines are laid on the maximum slope of the terrain. The upper part of the irrigation sites with compacted irrigation furrows is laid at an angle to the terrain contour lines, and the lower part - parallel to horizontal lines. On the irrigation pipelines the hydraulic step motors are mounted. The hydraulic motors are connected to the spherical distribution valve. The spherical distribution valve outlets are connected by tubes to the water-distributing furrows. Through the water-distributing furrows the water is supplied to pairs of compacted irrigation furrows located at the edges of the beds. The upper part of the irrigation furrows is laid at a mild slope along the terrain contour lines. The lower part of the irrigation furrows is made in the form of deep irrigation furrows laid without slope. In the middle of the beds the trenches of up to one metre depth are laid, which are filled with peat and manure. The center of the beds is covered with trash mulch. The screens of ameliorative film are laid below the irrigation furrows. Above the screens of ameliorative film in the soil active layer of the beds a 5-10 cm layer of sand or gravel is laid. The irrigation control unit is connected to the valves diaphragm actuators.
EFFECT: construction enables to improve the uniformity of soil moisture, moisture capacity of the soil active layer, to prevent the water loss for depth filtration.
The invention relates to agriculture and can be used for irrigation of agricultural crops furrow in the foothills.
Known blagoukrasheniem soil structure (Smagin AV and other Vagoaccessorius soil structures: theory, experiment, practice // agro-ecological problems of soil condition of non-Chernozem zone and their solutions. - M.: Moscow state University, 2009. - Pp.118-130).
In the proposed structures as blagoukrasiteli funds uses of soil conditioners natural origin: peat, manure, compost, lime, humates. To achieve maximum efficiency in the use of these soil materials is recommended to place them in separate layers. To prevent irrigation water loss by deep percolation was used fluvioglacial sand, gravelly coarse material with an average diameter of 1 to 3 cm, peat, have a layer thickness of 5 cm at depths of 5-10 cm, 25-30 cm, 35-40 see
The disadvantage of the proposed structures is not used in the irrigation furrow.
Known sumanapala irrigation system for furrow irrigation (provisional patent 379 KG, IPC A01G 25/16. - Publ. 30.06.2000. - Bull. No. 2). The irrigation system comprises a main discharge pipe, additional pressure pipelines, distribution of pipeline the odes, tiers irrigation pipes connected to the distribution piping, the software device control discrete irrigation, closures on additional pressure pipelines, hydraulic drives which are connected to the outputs of the software of the device.
The lack of irrigation systems is its high cost associated with the large number of irrigation pipes, erosion of soil by watering due to strip irrigation furrows on the maximum slope.
There is a method of soil moisture in mountain-foothill area under irrigation plots furrow livestock effluent and system for its implementation (patent for invention 2400058 EN, IPC A01G 25/00 / Kim I.A., Terpigorev A.A., I.I. Kim, Kim A.I. - Publ. 27.09.2010. - Bull. No. 27. - 7 S.) prototype.
The system contains a source of irrigation, samonabornye the pipeline laid on the maximum slope, the automated control system. To samonabornye pipeline through a valve with diaphragm actuator connected irrigation piping with microkeratome to supply water to a group of compacted dead-end furrows, part of the upper part of which is laid at an angle to the contours of the terrain, and the lower part is parallel to the contour lines. Method soil moisture carry out discrete irrigation technology with variable supplies the house irrigation jets and dispersal of issuance of irrigation norms.
The disadvantage of the system and method of soil moisture are the possible loss of irrigation water to deep percolation and overflow irrigation furrows and water discharge, uneven soil moisture along the length of irrigation furrows.
The technical result of the claimed invention is to improve the uniformity of soil moisture, the moisture content of the active layer of the soil, preventing water losses to deep percolation, water discharge at the end of the irrigation furrows.
The claimed result is achieved by the fact that the system of land reclamation at discrete irrigation furrow, includes a source of irrigation water intake connected to clonapine pipeline, through which the butterfly valve with diaphragm actuator is connected to a pair of distribution pipes. The outputs of the distribution pipes connected with irrigation pipelines laid on the maximum slope. Irrigated areas contain dense irrigation furrows laid on the edges of the beds. The upper part of the irrigation furrows are laid with a small slope at an angle to the contours of the terrain, and the lower part, made in the form of a deep irrigation ditch runs parallel to the contour lines, connected at the end with the same furrow irrigated from another irrigation pipeline. On the irrigation pipeline installed the stepper hydrauli the mini-engines, associated with ball distribution valve, the outputs of which are connected by pipes with distributing grooves, through which water is supplied in a pair of tight irrigation furrows. In the middle of the beds padded trench depth up to one meter, filled with peat and manure. The center of the beds covered with a mulch of crop residues below the irrigation furrows laid the screens of reclamation film, above which the active layer of soil seedbeds padded layer (5...10 cm) of sand or gravel, the thickness of which increases when approaching the end of the upper part of the irrigation furrows.
The control unit irrigation contains the power supply, controller, electronic keys, electrohydraulic a receiving device and connected with the membrane drives the gates, and in place of the coupling of the two control irrigation furrows, pour two neighboring irrigation pipes, a gas sensor control seeking irrigation streams connected to the alarm device.
The duration of the pulse is determined by the control sensor is seeking the irrigation stream. At the beginning of the issuance of irrigation norms pulses irrigation serves alternately in four pairs of irrigation furrows. After stabilization time seeking irrigation jets until the end of the irrigation furrows cyclic applying pulses of irrigation in four pairs of irrigation furrows stops. The remaining hour is ü irrigation norms is a cyclical pulse irrigation in four pairs of irrigation furrows with the increase of the pause between pulses depending on water-physical properties of the soil up to 24 hours.
The reclamation system at discrete irrigation furrow prevents unproductive losses of irrigation water to deep percolation, reset, to improve the uniformity of soil moisture along the length of irrigation furrows.
Figure 1 shows the scheme of land reclamation land improvement systems with discrete irrigation furrow; figure 2 - section of the soil of irrigated land.
The reclamation system at discrete irrigation furrow contains a source of irrigation 1, intakes 2, connected to the pressure pipe 3, the output of which is mounted a butterfly valve 4 with diaphragm actuators connected to the unit 5 controls.
The output of the discharge pipe 3 is connected with a pair of distribution pipes 6, the outputs of which are connected with two irrigation pipelines 7 laid on the maximum slope.
On the irrigation pipeline 7 installed hydraulic stepper motors 8, associated with ball distribution valve.
The outputs of the ball distribution valve are connected by tubes 9 with the distribution grooves 10. Distribution grooves 10 are connected with pairs of compacted irrigation furrows 11 located at the edges of the beds 12.
The initial part of the irrigation furrows 11 laid under the small slope along the contour lines of the terrain, and the final part is made without the clone in the form of deep irrigation furrows. The ends of the irrigation furrows are connected with the same ends irrigation furrows irrigated from another irrigation pipe 7. In the middle of the beds 12 padded trench 13 a depth of one meter, filled with peat and manure. The center of the beds 12 are covered with mulch 14 from plant residues. Below irrigation furrows laid the screens of reclamation film 15 above which the active layer of soil seedbeds padded layer (5...10 cm) of sand or gravel 16, the thickness of which increases when approaching the end of the initial part of the irrigation furrows.
In place of the coupling of the two control irrigation furrows 11, pour two neighboring irrigation pipes 7, a sensor 17 seeking control of irrigation streams connected to the alarm device 18.
The control unit irrigation 5 contains the power supply, controller, electronic keys, electrohydraulic, radio.
The alarm device 18 includes a power source, a radio transmitter, a device control circuit contacts of the sensor 17 of seeking control of the irrigation stream.
The reclamation system at discrete irrigation furrow works as follows.
If the purpose of irrigation in unit 5 controls introduced irrigation rate. After a start block 5 controls delivers the water pressure on the diaphragm actuator of the shutter 4 of the first distribution pipe 6 and at the and of the first drip line 7 is fed to the first pair of compacted irrigation furrows 11, pour from the first drip line 7.
After seeking the spray jets to the sensor control seeking irrigation jets alarm device sends a radio signal received by the unit 5 controls, which sends the command to close the shutter 4 of the first irrigation pipeline and the opening of the shutter 4 of the second junction 6 of the pipeline. Water from the second irrigation pipe 7 is fed to the first pair of compacted irrigation furrows 11. The controller unit 5 management Strait remembers the pulse duration of irrigation.
During the pulse irrigation drains of the first pairs watered irrigation furrows 11 watered end parts of the second pairs of irrigation furrows 11, pour from the second irrigation pipe 7. After seeking the spray jets to dock irrigation furrows 11 sensor control seeking irrigation jets he gives the signal. Unit 5 controls gives a command for termination of irrigation second irrigation pipe and start watering from the first irrigation pipeline. In the process of lowering and re-increasing the pressure in the irrigation pipe hydraulic stepper motors 8 switch ball valve in the second position, and water is supplied to the second pair of irrigation furrows. The pulse duration corresponds to the stored pin is the Oller pulse irrigation, the corresponding pulse duration when water in the first couple of irrigation furrows 11. Similarly implemented watering all four pairs of irrigation furrows.
In subsequent rounds irrigation controller compares the pulse duration of watering when watering the first pairs of irrigation furrows. When reducing this difference to a predetermined setpoint, the controller determines whether termination of the cycle of the circular pulse supply irrigation and then increases a pause, depending on water-physical properties of irrigated soils, between cycles of the pulse supply from 12 to 24 hours.
The reclamation system at discrete irrigation furrow prevents unproductive losses of irrigation water to deep percolation, reset, to improve the uniformity of soil moisture along the length of irrigation furrows, provides a gradual moistening of the soil by capillarity without destroying its structure.
The reclamation system at discrete irrigation furrow, comprising a source of irrigation water intake connected to clonapine pipeline, through which the butterfly valve with diaphragm actuator is connected to a pair of distribution pipes, the outputs of which are connected with irrigation pipelines laid on the maximum slope, irrigation areas, sealed irrigation furrows, the upper part to the which are laid at an angle to the contours of the terrain, and the lower part is parallel to the contour lines, characterized in that the irrigation pipelines installed hydraulic stepper motors associated with ball distribution valve, the outputs of which are connected by pipes with distributing grooves, through which water is supplied in a pair of tight irrigation furrows located on the edges of the beds, the upper part of the irrigation furrows are laid at a small slope along the contour lines of the terrain, and the lower part is made in the form of deep irrigation furrows laid without bias and United at the end with the same furrow irrigated from another drip line in the middle of the beds padded trench depth up to one meter, filled with peat and manure the center of the beds covered with a mulch of crop residues below the irrigation furrows laid the screens of reclamation film, above which the active layer of soil seedbeds padded layer of 5-10 cm of sand or gravel, the thickness of which increases when approaching the end of the upper part of the irrigation furrows, the control unit irrigation contains the power supply, controller, electronic keys, electrohydraulic a receiving device and connected with the membrane drives the gates, and in place of the coupling of the two control irrigation furrows, pour two neighboring irrigation pipes, a gas sensor control doba the project for irrigation stream, connected to the alarm device.
SUBSTANCE: system comprises a source of irrigation, a dam, water overshot wheel, a water intake device in the form of a mesh scouring cylinder, a liquid-gas ejector and a water pump, generators of air ions and ozone, a reservoir with manure, a subsoil system of moistening and aeration of soil in the greenhouse, a unit of soil humidity control. A mesh scouring cylinder is installed inside the water overshot wheel. Inside the scouring cylinder a waste chute is located with a perforated pipeline. The perforated pipeline is connected through the gate to the inlet of the circulating-water intake. The outlet of the circulating-water intake is connected through the gate to the input of the water pump. The water wheel shaft is connected through the reducer to the water overshot wheel. The outlet of the water pump is connected to a water pipe of the liquid-gas ejector. The ejector air nozzle is connected through the gates to the generators of air ions and ozone, the atmosphere, the reservoir with manure. The reservoir with manure is connected through the gates with the generators of air ions and ozone. The output of the liquid-gas ejector is connected to the conductive pipeline. The conductive pipeline is connected to the perforated irrigation pipelines. The perforated irrigation pipelines are mounted under the trenches filled with manure. The trenches are located in the middle of the beds covered with film tunnels. Above the beds the greenhouse is placed. In the active layer of the soil of the greenhouse a capacitance sensor of integrated humidity of soil horizon is placed. The sensor is made in the form of two parallel metal strips. Between the parallel metal strips a layer of porous ceramic is laid, connected to the unit of soil humidity control.
EFFECT: design enables to improve the quality of moistening, aeration and heating the active layer of soil in the greenhouse.
SUBSTANCE: group of inventions relates to the field of land reclamation and may be used to improve quality of water under trickle irrigation of crops, when watering is done with water of high salt content. The method includes mixing of mineralised and distilled water. Production of irrigating water of required mineralisation is provided with the help of a device that separates irrigating water into two parts. One of the parts remains unchanged, and the other one is demineralised, with their subsequent mixing at the necessary proportion or without mixing, using each one separately. The device for method realisation comprises a body, an evaporating element, a condensate collector and a device for distillate drainage. The body is equipped with a hollow dismountable cover. The upper and lower surfaces of the cover are made as spherical from optically transparent material with different radii of curvature. The cover, when filled with irrigating water, forms a collective concave-convex lens, which focuses solar radiation at a focal plane. The evaporating element is made in the form of a detachable sleeve. Drainage of distillate and control of mineralisation of irrigating water is carried out with pipelines equipped with control devices and communicating with the cover cavity, environment and condensate collector. The collector is made in the form of a ring to form a circular inclined tray between the body and the ring, and this tray collects distillate.
EFFECT: invention provides for production of irrigating water with salt composition that minimises negative effect at structure of irrigated lands soil.
2 cl, 1 dwg
FIELD: process engineering.
SUBSTANCE: invention relates to gas-drop jet generation and may be used in fire fighting, agriculture, etc. Fluid feed comprises forcing fluid axially via feed branch pipe, confuser and cylindrical nozzle aligned and communicated with said branch pipe. Fluid tangential feed is executed via conical cartridge aligned with cylindrical nozzle with vortex annular chamber secured atop cylindrical part of said cartridge and provided with fluid feed pipe. Two lines of fluid feed tangential channels are made along edges of said annular chamber. At least three tangential channels are arranged in every said line to communicate annular chamber with housing cylindrical chamber.
EFFECT: higher efficiency of fire fighting.
2 cl, 2 dwg
SUBSTANCE: invention relates to agricultural reclamation, in particular to subsurface irrigation. The humidifier comprises a water-supplying container (1), the main subsurface injector (6), and flexible water-supply hoses (12). The main subsurface injector (6) is made with a perforated lower part (10) and a mesh filter (9). The water-supplying container (1) is made removable, is equipped with a threaded connection (5), a mesh filter (3) and a shut-off valve (4). The humidifier is equipped with additional subsurface injectors (11) to provide uniform saturation with water throughout the root zone area.
EFFECT: design enables to improve the efficiency of delivery of soluble fertilisers, to avoid water loss through evaporation, and create favorable air conditions in the soil.
3 cl, 2 dwg
SUBSTANCE: wheel comprises a tire 12 with a rim 11, a hub 10 with lateral discs 5 and an axis 9, a drive ring 7, fasteners 2 to connect the drive ring 7 to the hub 10, a pusher 13, and an anti-recoil brake 16. On the drive ring 7 the stops 8 are mounted. The brake 16 interacts with the stops 8. The drive ring 7 has joint plates 15 with holes 14, mounted in the center plane and fixed on the inner surface of the drive ring 7. The drive ring 7 is mounted with the ability to change the axial position and fixation by the fasteners 2 on the pins 6 with screw 3, located parallel to the axis and rigidly attached to the lateral disc 5. The lateral disc diameter is made larger than the diameter of the hub 10. The pins 6 pass through the holes 14 in the joint plates 15 of the drive ring. In the pins 6 there is a set of radial holes 4 located in planes parallel to the center plane of the wheel. In the holes 4 of the pins 6 the removable thrust pins 1 are mounted.
EFFECT: constructive implementation enables to improve the control accuracy of the axial position of the drive ring relative to the tire of the rim.
SUBSTANCE: irrigation device comprises a water-collecting container (3), which stretches along an area marked for irrigation and is arranged as capable of installation into earth (4). In the inner space of the specified container (3) there is a transverse separation wall (5), which stretches from the container base upwards, at least by half of the efficient height of the container. Along the outer side of the container there is a liquid-suction wick (11) stretching, which is connected with inner liquid-receiving spaces of the container, which are separated at a distance from each other, when looking along the container length. The specified wick (11) is arranged with provision of its passage through holes on the upper side of the container towards the container base (3) in the area of the appropriate separation wall (5) at each side from it. The active suction capacity of the wick (11) between available compartments of the container is interrupted for provision of water movement prevention along the wick (11) between the specified compartments.
EFFECT: higher convenience of a device in operation, higher flexibility and simplicity of device installation, higher strength and durability of a device, reduced water consumption, also there is a method and a facility for manufacturing of such device.
17 cl, 12 dwg
SUBSTANCE: irrigation system comprises two sprinkling machines, joined to each other with a flexible traction rod, equipped with central vertical stands, fixed to the centre of the tray, on the stands there are radial spikes fixed by ties with sprinklers. Sprinkling machines move in series upwards without rotation and downwards with rotation along its inclined ropeways using the tray weight, when filled with irrigation water in the upper point of the inclined ropeway, and water is supplied from the tray along tubular spikes to sprinklers using a centrifugal force when moving downwards with simultaneous rotation of the sprinkling machine around the stand on the support. The system comprises a ratchet interacting with a spinner arranged in the form of a pulley rolling along the ropeway in the horizontal plane. Filling of the tray with water happens via a drain, opened as the end switch installed in the upper point of the ropeway interacts with the carriage at the moment of contact, and closed as the hook installed on the float inside the tray is disengaged after filling it with water.
EFFECT: increased operational reliability of a system.
1 cl, 1 dwg
SUBSTANCE: invention relates to machine building and may be used in sprinkler machines. Proposed wheel comprises pneumatic tire 1 with rim 2, hub 3 with axle 4, drive ring 6 with stops 7, fasteners to joint drive ring 6 with hub 3, pusher and self-adjusting brake interacting with stops 7 Stops 7 are mounted on removable shackles secured to drive ring 6 on the side of its outer circumference. Note here that shackle inner surface is aligned with drive ring outer circle arc. Thrust bolts are fitted on one side of shackle to enter shackle threaded holes to contact with drive ring 6. Adjusting screws are fitted on opposite side of said shackles to enter threaded holes and provided with taper ends to enter taper recesses on drive ring surface.
EFFECT: higher machine efficiency.
SUBSTANCE: device comprises pipelines of right and left wings of the machine, a unit of movement synchronisation along the course and control unit of the machine speed. The pipelines of the right and left wings of the machine are mounted on electric shuttles. The unit of movement synchronisation along the course comprises a guide wire. Along the irrigation channel on the racks a contact network is mounted, interacting with the current collector. The current collector through the telescopic mechanism is mounted on the shuttle. The shuttle moves on the opposite side of the irrigation channel. The current collector output is connected to the input of the control panel. The control panel output is connected to the input of electric power meter. The outputs of the electric power meter are connected to the inputs of the contactor, the microprocessor control unit, and the frequency converter. The inputs of the microprocessor control unit are connected to the timer, the course stabilisation system, the system of the shuttles synchronisation in line, the distometer, the irrigation norm setter, the setter of the irrigation length section, the flow meter, and the pressure gauge. The pressure gauge is mounted on the pipeline. The outputs of the microprocessor control unit are connected to electric hydraulic valve, frequency converter, contactor, devices of the shuttles synchronisation in line and devices of stabilisation of the left and right wing course. The outputs of the microprocessor control unit are connected via a vacuum pump to the pump input. The pump output through the electric hydraulic valve the flow meter is connected to the pipeline. The microprocessor control unit is connected to the input-output of the interface device. The signal from the output of the frequency converter is set to the electric drive of the left and right wing of the machine. The output of the contactor is connected through the electric motor to the pump input.
EFFECT: construction enables to improve the quality of irrigation and environmental friendliness of energotechnological process of irrigation.
SUBSTANCE: invention relates to the field of agriculture, in particular, to viticulture. In the method the pipeline with water outlet holes is placed. In the locations of water outlet holes of the pipe line the vertical orthogonal pipes with water outlet hole, which is located above the ground, are located and tightly connected with it. And coaxially with the vertical orthogonal pipe the inner cup-shaped vessel with a coaxial hole in its upper part and the outer cup-shaped vessel are additionally placed consistently, which are consistently injected into the ground and combined with the upper part of the vertical orthogonal pipe. The upper part of the inner cup-shaped vessel is hermetically placed lower than the water outlet hole, and the outer cup-shaped vessel is placed above the water outlet hole in its coaxial slot, which is made in its upper part. Then the resulting volume between the upper part of the inner and outer cup-shaped vessels and the surface of the ground between them is filled with irrigation water through the water outlet hole of the vertical orthogonal tube.
EFFECT: method enables to reduce the loss of irrigation water during irrigation.
3 cl, 2 dwg
FIELD: agricultural engineering, in particular, equipment for drop irrigation of farm crops.
SUBSTANCE: apparatus has cylindrical casing with inlet and outlet openings. Cylindrical casing has threaded covers and body. Valve and elastic cuff are movably positioned inside cavity of cylindrical casing. Apparatus is further equipped with additional cuff. Main and additional cuffs are provided with orifices. Valve is made in the form of concavo-concave lens arranged in spherical belt. Valve is manufactured from material having density smaller than density of water, in particular, valve may be made from cork of 0.2-0.3 t/m3 density. Valve is arranged in casing between cuffs and is adapted for alternating contacting through cuffs with projections oppositely arranged inside casing cavity. Projections are made in the form of spherical segments, with radius of spheres of segments being smaller than radius of spheres of concavo-concave valve lens. Difference between radii of projection sphere and that of spheres of concavo-concave valve lens is equal to thickness of elastic cuffs. Channels on apexes of cover and casing projections are extending in radial direction toward inlet and outlet openings.
EFFECT: increased efficiency and enhanced reliability in operation.
4 cl, 4 dwg
FIELD: forestry, particularly for fighting fires in high-capacity and medium-capacity peat beds.
SUBSTANCE: drainage system includes a number of water drainage channels with control-and-shutoff valves, manifold with drain lines connected thereto and intercepting channel located above drained peat bed and communicated with water inlet. Intercepting channel is provided with control-and-shutoff means to accumulate surface water flow and to create water reserve. Intercepting channel is connected with manifold head part by means of pipeline having valve gate. Manifold is provided with movable partition. Intercepting channel has antifiltering shield.
EFFECT: possibility of fire localization without operation stoppage and without underflooding surrounding territories and, as result, reduced economic losses.
FIELD: amelioration and water supply system.
SUBSTANCE: ameliorative system has irrigation, water supplying systems and discharge systems, water intake and detachable backwater regulating constructions. Ameliorative system is equipped with flexible collecting tanks-enclosures connected with drainage systems-sedimentation tanks equipped with membranes-type filters and moistener-type filters. Cassette filters are arranged along perimeter of massif to be irrigated to provide for delivery of clean water into water intake. Water supplying systems are furnished with closure system for preventing water evaporation and with metrological analyzers adapted for determining quality of inflow water delivered into water intake and of discharge water.
EFFECT: increased efficiency by avoiding violation to ecological balance of basic agricultural landscape.
FIELD: agricultural amelioration.
SUBSTANCE: method involves cutting furrows by means of tillage tool; supplying water or liquid fertilizer into furrow and covering furrow with soil; before plowing, providing deep plowing of field to be irrigated to 1.1-1.4 m depth, with space between adjacent plowing zones being within the range of 1.1-1.4 m; providing direction of tillage during plowing within the range of 15-45 deg with respect to following plowing directions during forming of furrows by means of tillage tool. Water or liquid fertilizer is supplied by flooding or during advancement of mobile unit equipped with vessel for transportation and distribution of said liquids.
EFFECT: uniform distribution of fertilizers applied, reduced power consumption, simplified labor management and increased ecological safety of animal sewage water and solved organic fertilizers applied into soil.
FIELD: irrigation amelioration, in particular, drop irrigation equipment.
SUBSTANCE: injector has water outlet, porous casing with stopper at lower end and replaceable porous member positioned in casing and in stopper. Replaceable porous member is made in the form of parts of cylinder joined to one another with their diametrical surfaces. Channels are formed on cylindrical surface of each cylindrical part. Upon joining of cylindrical parts along cylinder, channels define vertical channels. Cylinder may have one, two or three detachment surfaces. Helical channels are formed on cylindrical parts of replaceable porous member. Helical channel pitches in parts of cylinder to be joined are not multiple one another. Water outlet is equipped with float valve arranged inside water outlet above pressure suppressing chamber. Stopper at lower end of porous casing is equipped with accumulating chamber.
EFFECT: increased efficiency owing to selective dispensing of water to plant roots.
2 cl, 5 dwg
FIELD: irrigated agriculture, in particular, equipment used for watering of perennial plants.
SUBSTANCE: dropper has casing and cover with inlet and outlet branch pipes, respectively, throttle and elastic balancing member with openings. Throttle is made in the form of hollow biconcave lens and positioned in casing cavity above elastic balancing member. Spherical segment-shaped slot is formed in cover body below inlet branch pipe. Radius of spherical part of said slot is equal to radius of throttle lens spherical part. Similar slot is formed in bottom part of casing above inlet branch pipe. Radius of said slot is greater than radius of spherical part of throttle biconcave lens part by value equal to thickness of balancing member. Channels are formed on casing bottom part surface and on slot surface to define spiral branches. Holes are made on peripheral part of elastic balancing member.
EFFECT: simplified construction and improved watering quality.
2 cl, 6 dwg
FIELD: agricultural engineering.
SUBSTANCE: apparatus has casing equipped with inlet and outlet openings, main float-type regulating members and additional regulating member, said members being located inside casing. Main float-type regulating member is made as biconcave lens formed in spherical layer of waterproof material having density below 1 t/m3. Additional regulating member is made in the form of elastic membrane with central opening. Protrusions made as parts of spherical segments are disposed in casing cavity below inlet opening and above outlet opening. Radius of upper protrusion spherical part is equal to radius of spherical part of biconcave lens. Radius of lower protrusion spherical part is less than radius of spherical part of biconcave lens by value equal to thickness of elastic membrane. Radial channels are formed in apex part of lower protrusion. Apparatus provides for normal operation in the process of drop irrigation with water without preliminary cleaning thereof.
EFFECT: increased efficiency, uniform and high-quality irrigation.
2 cl, 3 dwg
FIELD: irrigation equipment mounted on mobile sprinkler units for drop or fine-dispersion sprinkling systems.
SUBSTANCE: sprinkler unit has frame made in the form of three-dimensional construction comprising pipes mounted on vehicle equipped with pumping station and intake hose. Flexible water supply pipeline with sprinkler apparatuses is fixed on frame by means of cables. Water supply pipeline is made sectioned. Each section has segment and flanges connected with one another by means of carrier member made in the form of bent C-shaped profile or rolled part. Sections are connected with one another through adapter member made in the form of hollow spherical shell with disk arranged in meridian plane and with the help of fastening means. Adapter member is arranged in cavities at inlet end and at outlet end of adjacent segments of flexible water supply pipeline. Fastening means are made in the form of pins inserted into axially aligned openings of flanges and disks. Adapter member disk is connected through cable with frame of three-dimensional construction.
EFFECT: simplified construction, reduced metal usage, increased efficiency and improved distribution of artificial precipitation along flexible water supply pipeline.
3 cl, 5 dwg
FIELD: agricultural irrigation equipment used in mobile sprinkler units.
SUBSTANCE: boom-type sprinkler unit has frame made in the form of three-dimensional construction composed of pipes and mounted on vehicle equipped with pumping unit. Flexible water pipeline with sprinkling apparatuses is secured on frame by means of cables. Flexible water pipeline is made sectioned. Each section has flexible pipeline segment positioned on carrier member made in the form of pair of longitudinal supports having bent C-shaped profile and flat rings at their end portions. Wide strips of pair of bent C-shaped profile are arranged at an angle to horizontal plane and perpendicular to one another. Said profiles define, in conjunction with rings, trough of carrier member. Adjacent carrier members are connected with one another by means of connecting parts through spacer bushings. One, two or three spacer bushings are made in the form of brackets for connecting cable ends to join with frame. Ends of flexible pipeline segments are mutually joined via transition portion made in the form of bushing. Ends of transition member have conical entrance portions. Annular portion formed on transition member surface is joined with ends of adjacent segments and pairs of yokes on their surface. Cable ends joining brackets are equipped with eye ring receiving slots and mounting openings. Diameter of carrier member rings exceeds outer diameter of transition member by 1.5-1.9 times.
EFFECT: simplified construction and increased efficiency.
4 cl, 5 dwg
FIELD: irrigation systems used for automatic watering of plants on restricted area plots.
SUBSTANCE: apparatus has accumulating vessel with bottom opening closed with valve, auxiliary vessel, two float valves, one of float valves being adapted for supplying of water into accumulating vessel and other float valve being adapted for cutting-off water supply. Valve floats are arranged in auxiliary vessel disposed below accumulating vessel bottom and connected by means of flexible pipes with hermetically sealed vessels provided with porous bottoms deepened into soil. When water is sucked through porous bottoms into soil, water level in auxiliary vessel is lowered and float valves are opened, with water being delivered into accumulating vessel through one of float valves. When predetermined water level is reached, valve for discharge opening is opened, water is supplied into low-pressure irrigation system and is further delivered through second float valve into auxiliary vessel. As a result, water level in auxiliary vessel is increased to cut-off water supply into accumulating vessel.
EFFECT: increased efficiency and simplified construction.