DEVICE FOR IRRIGATING CROPS IN CONTAINERS
The present invention is a perfectíonnement of this type of spraying device of potted plants by means of ramps comprising perforated ' overcomes this.This uses water distribution manifolds carrying perforations plaeés tips provided with a calibrated nozzle. A diameter of the nozzles of!' order of|, Smmest much larger than in the case of drop-watering bestrijding. drop so that the instantaneous flow rate of each fuel nozzle is much larger.1 - 3 z-indeed, a perforation by debiting goutteà drop provides an hourly throughput from a driving 3 and 10 liters while a nozzle according to the invention, placed on a ramp in which there prevails an effective pressure of about one bar debits of around 72 i/h.Daily to deliver the same amount of water, it is sufficient to reduce the operating time of check distribution line. Each ramp is provided with a valve and successively opening each valve for a period of a few fractions of minutes only.This operation may be manual. In field crops, the valves can TREs motorized and are then téléeommandées sequentially by a programmer.Flows in each distribution line becoming much more important, the pressure drop along a ramp occurs.Atrial finds for example that the effective pressure varies from 1.5 bars confectioneries 0.3 bars along a camps having a length of about 50 metres.If utílise along a ramp end pieces having identical adjustments, confectioneries aboutít is poor distribution of - rates and, while near the orígine of the ramp, the containers would receive excessive amounts of water, the containers located Å the extrémitêreeevraieut does water in an amount insufficient for the development of plants that they contain.The aim of the present invention is a plant er, Maclura pomifera cultures into containers for dispensing very uníformément equal amounts of water to each plant by ramps carrying perforaoEions sufficiently large in diameter; preventing the risk of clogging. "' enjoying" the solution comprises using ramps PEs, OF, SEA where each perforation is provided with an end piece carrying a calibrated nozzle, the diameter of the nozzle varies from one end of the ramp ãautrë to uniform rates despite the losses. along ' of the ramp.The diameter adjustments calibrês can then be sufficiently large, of the order of 1.5 mm to 2.5 mm, such that impurities contained in iTeaudVarrosage will not occlude the dandelion without having to filtering said water through a fine mesh filter.Given as the instant quçlesdébltschaque_perforation .......i-I-I-O- .:..: ... ° to verbs are much greater than in a drip device, periods ° of operation of each ramp are reduced and the total duration of watering can be decreased advantage supplémentaíre .Each ramp could be placed above a row of containers, such that each of the ajutages_calibrês is positioned above a container into which water écouleraít .. Preferably, used ramps perforated placed at ground, between two rows of containers, each ramp being then lo and feeding two or more rows. On each end cap is then connected a pipe, for example a flexible tube of low " diameter, which leads!' water delivered through each nozzle into the corresponding container.This solution is more reliable operation, because in the case where the ramp|5 is placed directly above the containers, enjoying the water which flows from each nozzle tends to follow the ramp - - 7 and not to fall into the container. On the other hand, the installation ramps ground is less expensive. "" For the implementation of the invention, preferably used end caps including a central bore having two different diameters.At the end on the side of the perforated ramp, the alésagç center constitutes a calibrated nozzle, short length, whose. the diameter may range for example between 1.5 mm êtré and 2.5 mm and. whose lóngueur is the order of the diameter, the nozzle/calibrated bore opens into a ' p1 stétendant U.S. large diameter over the entire length of the tip which acts as expansion chamber so that the counterpressure prevailing at downstream of the nozzle calíbré is constant and the flow rate of the nozzle is " determined solely by the upstream pressure the result of the invention is a spray crops insoEallation =e-box.The advantages of this system are:- Good reliability.- A uniform distribution rates.- A reduced operation et.de installation cost............. dúrée the watering operations is reduced CE that decreases] 5. NC enjoying coextruded, I- enjoying::".... o , t lo o SAL fraís personnel if these operations are made manually.It is sufficient dísposer at the head of the installation a simple valve filter containing a perforated strainer element to! DWM.The invention also relates to a novel product constituted by a tip provided with a calibrated fitting which is partlculièrement adapted to the spraying device patented.The various earactéristÆques and LAS ínventíon advantages will become better understood upon reading of the, suívante herein without limitation relating to the accompanying drawings.Figure! is a view of a portion of a plan ënsemble hypoventilation facility.The fígure 2 is a perspective view at the larger scale.Figure 3 is a section through a tip AST testing.Figure] représenoEe in|containers for example, pots each containing one or more plants. These pots are aligned.Between some of the rows of pots are arranged, the ground, the d - 2 pipes forming ramps watering. These tubes are flexible tubes in e.g. polyethylene or PCC having an inner diameter of 23 mm.The ramps 2 are plugged into a collector 3 which is connected by a valve 4 SNRs a hydrant valve 5. the ecosystem can reset a sieve êquipée coarse filtering.The ramps 2 carry perforations of each, desquellas hand a small tube 6, for example, a compliant OEube , in PCC, ayanoEintéríeur diameter " of 6 mm.enjoying " there are as many perforations than pots on one or more rows and each tube 6 terminates confectioneries and a container.At the end opposite the manifold 3, the ramps 2 are closed, for example by means of a ligature 7.Of course, it hardly occur 2 ramps on either side of the manifold 3.Figure 2 represents, on an enlarged scale, part of a ramp 2, 1 pots, and LAS pipes 6.Each ruße 6 is connected on a tip 8 fixed in a perforatíon ramp tips 2.=$8 its _êquipés nozzles. degrees._ i - i lbs "" I "" at gauge the díamètre increases in relation to the distance from the tip to the manifold 3 so that the throughput of the nozzle remains canstact despite the pressure drop the!nGO of the ramp.The free end of the tubes 6 may be attached to a pin 9 or pot AI stung into the soil in the pot, soít i0 treu through a drilled in the pot.Figure 3 represents, in cross section, the tip 8. the same is comprised of a frustoconical body it and a sleeve 12, of smaller diameter, the outer surface door doet serrations EP -!0 ríphériques ] .3.The sleeve 12 is forced into a perforation of the ramp 2. the serrations hold it in place. Make it easier to fit, the sleeve 12 is slightly converge towards the end 14 located on the side of the ramp.Similarly the body II is lêgèrement converge toward!' extzémité ] Z-opposite said ramp perforated thereby facilitating the pushing of the flexible tube 6 around the body it. The outer surface of the body 11 may be smooth or toothed carry!mayor périphêriques .A bore] 6 is drilled through the tip 9.This bore has a calibrated fitting 17, low buoyancy, which vary in diameter, e.g., between L, SMMs and 2, SMMs positioñ according of!' emhouß the. 6 along the ramp.A nozzle of this type gives about 20 this/dry, either 72 liftes /Heute wär p6ur an effective pressure varying between 1.5 bar and 0.3 bar gauge qüi are current values.It suffices to open the valve 4 for a few; fractions of a minute for distributing in " each pot] powered by the O orampesbranehées on the manifold 3 on July=pulled water sufficient for one or more days.The bore 16 has a diameter substantially larger than the nozzle 17. de celuï calibrated so that said I! acts as chámbre expansion and flow rate of the calibrated nozzle 17 depends only on the presslon upstream in the ramp 2.EBG=heard, without departing from the scope of the ievention , various AE modífidations equivalent may be made by those skilled in the relevant arts to the installation just-described solely by way of example.i/2 I-i .7 1389971 Watering plants COMPAGNIE NATIONALE D'AMENAGEMENT DE LA REGION DU BAS-RHONE ET DU LANGUEDOC 19 Feb 1973 [17 Feb 1972] 8015/ 73 Headings AID and A1E [Also in Division B2] Equipment for watering plants in pots 1 comprises tubes 2 with perforations accommodating nozzles 8 comprising a downwardly tapering, serrated portion 14 for inserting in a perforation with a bore 17 which is wider in nozzles further from the supply pipe 3 to compensate for the pressure drop along the tubes 2 and an upwardly tapering, possibly serrated portion 11 with a wider bore 16 on which fits a tube 6 leading to a pot 1. The valve 4 in the supply pipe 3 may be manually or automatically operable. The bores 17 are of increasing diameter between 1.5 and 2.5 mm depending on their distances along the length of the tube 2. [...] EOPA I-I-O has~, ] - device for irrigating crops in containers by means of ramps perforated, characterized in that each is provided with a tail [...] carrying a calibrated nozzle whose diameter varies between!, 5 mm and 2, BMMs from one end to the other of the ramp in order to uniformize the LOS rates despite the LOS pressure drops. 2 - device is!i-claim is, characterized in that each nozzle discharges into a pipe which leads to a container confectioneries. 3 - tip for implementing year device according to any one of claims! and 2, characterized in that it includes a bore centered! calibrated, low![...], to the end connected on said ramp followed by a larger diameter bore extending throughout the![...] of!' tip QM! acts as an expansion chamber. 4 - end cap according to claim 3, characterized in ' that the I! consists on the one hand a frustoconical tip body, [...] converge towards the end opposed to the ramp fitted a perforated on which AE [...] leading to a container and a smaller-diameter sleeve whose surface [...] door peripheral serrations QM! is a force [...] perforations of the ramp. Mouthpiece should be -!the claim 4, characterized in that said sleeve is located slightly converging vers1'extrémité [...] perforated ramp. 6 - end cap according to claim 3, [...] in that the outer surface of said tip body is smooth frustoconical peripheral serrations or door. 7 - device for irrigating crops in containers, substantially as previously described and i11 [...] to the drawings enclosed, [...] of: advisory services said: national companion for arranging the region of the low-Rhone and Languedoc. Antwerp, 2 February 1973. this [...]: patent office and marks [...].