The invention relates to agricultural irrigation, in particular for drip irrigation of vegetable, fruit and berry crops. The dropper contains a split housing with a fitting at the top and converging to the apex pin ribs injector at the bottom. In the plane of the connector body between its basic parts posted membrane. The supporting part and the membrane in the body cavity of the form namebrand cavity, podobrannyy cavity and the annular cavity concentric membranes. Podobrannaya cavity connected to a storage capacity of the injector calibrated orifice. The membrane is made of a multilayer, the upper and lower layers formed in the form of different-sized flat rings. Between the rings posted by porous permeable material. Connecting podobrannyy cavity with a cumulative capacity of the calibrated hole is made in the form of a cone widening towards the lower flat ring membrane. Slice the supporting part of the body is above the upper edge of the cone with a calibrated orifice. Detachable housing parts are provided with stepped detents in the form of a mating annular dies, the supporting part of the housing, between which is placed the ring membrane - kositsa to agricultural reclamation, in particular, drip irrigation, and can be used for irrigation of vegetable crops, fruits and grapes and garden plantings, as well as in greenhouses.Known drip irrigation system for greenhouse containing a pump for supplying water under operating pressure from a source (pond, water tank), podgornik plants, mineral fertilizers, filter gauges, trunk, distribution and irrigation pipes, connecting fittings, valves and remote control valves, drippers "Vodpolimer-3 and guide tubes (brochure VDNH USSR. Drip irrigation system for greenhouse /Editors: R. T. Balode, J. A. Karklis, A. B. maltster, H. P. SEPs. Jelgava (Latvian SSR), 1987, S. 4).The disadvantages of this system include low operational reliability droppers "Vodpolimer-3 and the high cost of the whole system compared to equivalents in foreign countries.Known dropper, including humidifiers, the injectors with hydraulic resistances and holes underneath them (SU authorship 545305, CL 01 And G 25/02, 1977).A disadvantage of the known drip is the complexity Konstruktsiya collapsible chamber with injector and fitting (SU, copyright certificate 1109901, class A 01 G 25/02, 1984).The disadvantage of this dropper is the impossibility of its installation in the soil near the stem, vine or stem of the plants or plants and, as a consequence, the spreading of water over the soil surface irrigated area, scum formation, preventing access of atmospheric air to the plant roots.The closest object to the requested dropper in its essence, and the number of essential features is the drip, including a detachable cover with inlet membrane housing with the nozzle and the injector, and the injector is made in the form of a pin with ribs converging to the tip of the pin, and the camera is formed by a detachable cover and a case fitted with a calibrated hole (see patent FR 267159, M CL5A 01 G 25/02. Declared 10.05.1991; Application 9105978; publ. 13.11.1992). This drip adopted for the nearest equivalent.The disadvantages of this dropper include low operational reliability, limited performance, high demands on the quality of irrigation water and to the working pressure range in irrigation pipelines.The problem to which the invention is directed, enhanced operational reliability.
ClaimsDropper containing split housing with a nozzle in the upper part and the lower part with the injector in the form of a pin with ribs converging to the tip of the pin in the cavity of the connector between its basic parts posted membrane, forming namebrand cavity, podobrannyy cavity and around the membrane - circular cavity, with podobrannaya cavity connected to a storage capacity of the injector calibrated hole, otlichayas is C, and between them is placed an elastic porous permeable material, while connecting podobrannyy cavity with a cumulative capacity of the calibrated hole is made in the form of a cone widening towards the lower flat ring layer of the membrane and the annular slice the supporting part of the body is above the upper edge of the cone with the orifice plug of the hull is equipped with speed clips in the form of a mating annular dies, and the supporting part of the housing, between which is placed the ring membrane channels.
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: 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: agricultural engineering, in particular, drop irrigation equipment.
SUBSTANCE: dropper has casing with inlet and outlet branch pipes. Float and locking member are located in casing. Hollow float is made in the form of biconvex lens. Slot is made in casing cavity of inlet branch pipe. Slot is formed as spherical segment with radius of sphere equal to or smaller than radius of sphere of float biconvex lens. Spherical segment shaped slot is formed in casing cavity of outlet branch pipe. Radius of sphere of said slot exceeds that of float biconvex lens. Locking member is defined by elastic membrane located in casing between float and outlet branch pipe. Inlet branch pipe and slot joined with membrane surface are equipped with radial channels. Dropper of such construction operates in any spatial position and does not require strict vertical positioning.
EFFECT: simplified construction and uniform and high-quality irrigation.
3 cl, 3 dwg
FIELD: agricultural amelioration, in particular, drop irrigation equipment.
SUBSTANCE: dozer-dropper has plastoelastic valve provided in irrigation pipeline. Plastoelastic valve adapted for supplying of water into injector has detachable casing with water supply channel formed as helical groove with conical openings at its surface, said openings being adapted for connecting helical channel with casing outer surface. Diameter of conical opening joined with said channel is smaller than that at casing outer surface.
EFFECT: increased yield of farm crops and reduced irrigation norms.
FIELD: agricultural amelioration, in particular, subsurface irrigation equipment.
SUBSTANCE: injector has detachable casing with water feeding channel. Casing cavity is equipped with helical groove having conical openings on casing surface. Openings are hydraulically communicated with helical groove. Diameter of each of said openings joined with helical groove is smaller than that of outer surface of casing.
EFFECT: improved uniformity in distributing of precipitation in root layer of soil during the entire irrigation season.
2 cl, 3 dwg
FIELD: agricultural engineering, in particular drop irrigation equipment.
SUBSTANCE: dropper has cover, casing, regulating member, and water outlet. Cover with feeding connection line is mounted on irrigation pipeline. Water outlet with discharge pipeline is mounted in lower part of casing. Cover with feeding connection pipe and water outlet with discharge pipe are equipped with flares arranged in opposite relation with respect to one another. Regulating member has flexible elastic membranes equipped with dosing orifices and float positioned for loose displacement between flexible membranes. Membranes are fixed in casing by means of threaded cover and water outlet.
EFFECT: increased efficiency and enhanced reliability in operation.
2 cl, 1 dwg
FIELD: agriculture, in particular, utilization in irrigated agriculture for drop irrigation of soil, preferably for tree seedlings.
SUBSTANCE: injector has porous casing with inlet and outlet openings and water outlet. Float-type regulating member arranged in water outlet is equipped with water locking valve arranged in its upper part. Air discharge valves are provided in upper part of water outlet above float-type regulating member. Openings of different depth are formed in porous casing. Said openings are extending in parallel with outlet opening, in ribs of ground engaging devices. Number of ribs of ground engaging devices exceeds two. Ribs have saw-shaped form.
EFFECT: provision for differentiated distribution of precipitation in accordance with amount of sucking roots of wood plantations in soil horizons.
2 cl, 6 dwg
FIELD: irrigation equipment, in particular, fine-dispersion or drop sprinkling equipment used in mobile and stationary sprinkler units for producing of sprays with droplet sizes admissible for irrigation of wide range of farm crops.
SUBSTANCE: sprinkler unit has hollow cylindrical casing with partition wall, wherein guiding rod is rigidly fixed centrally of partition wall. Conical deflector with curved grooves is fixed on guiding rod for displacement along it. Location of conical deflector in predetermined position on guiding rod is provided by means of adjustment nut which may is fixed by lock nut. In order to form uniform liquid film around perimeter of conical deflector, grooves are provided in such a manner that they do not reach edge by distance equal to width of casing outlet opening ring, when conical deflector is lifted to maximal extent. Fluoroplastic layer is built in friction surface of conical deflector.
EFFECT: increased efficiency in producing of finely dispersed uniform spray, simplified construction and enhanced reliability in operation.