China's agricultural irrigation water is more and more nervous, no matter be the north or south, arid is the subject matter that fruit industry is produced always.The water saving irrigation facility generally adopting at present mainly contains following several: 1. drip irrigation: drip irrigation pipe and irrigate band, and feature is that pressure compensation is good, uniformity of irrigation water appilcation is high, but water yield is little, easily stops up, and the scope of pouring water is little, can not meet fruit tree root growth needs.2. microspray irrigation: be divided into reversely hung Yong and insert two kinds of micro-spray modes of formula, be similar to rainfall, the soil compaction of effectively avoiding surface irrigation to cause.But system needs pressure larger, ground moistening mode is from top to bottom, often occurs the phenomenon of moving on insufficient irrigation and fruit tree root system having a strong impact on fruit tree normal growth.3. rhizosphere fertilizing by injection: be called again fertilization gun fertilising, this is a kind of method that has soil moisturizing and fertilising concurrently of the spontaneous creation of domestic peasant, chemical fertilizer is soluble in water, take motor-driven Insecticide sprayer as power, by fertilization gun, solution is injected to fruit tree rhizosphere soil, the orchard worker in current northern apple producing region adopts more.This mode utilizes existing utility to carry out water filling and fertilising, and without set up pipe network and power facility in orchard, cost is low, easy to use.But can only cannot effectively irrigate for fertilising, need many people's operations, and labour intensity be larger.
The orchard water-saving irrigation project of various places investment construction is all to indiscriminately imitate field crop water-saving irrigation technique now, and result of use is very undesirable, and great majority are in idle state, and what have is removed.Be badly in need of at present a kind of water-saving irrigation product that aims at fruit tree design, to meet the needs of modern fruit industry development.
Summary of the invention:
The technical problem that the utility model solves: design a kind of capillary slight irrigation and fertilization system that is exclusively used in fruit tree, it is a kind of water-fertilizer integral facility of developing according to fruit tree distribution characteristics of root and nutrient demand rule, thoroughly solved the blockage problem of drip irrigation, be applicable to water-saving irrigation and the liquid fertilization of fruit tree, not limited by field topography.
Technical solution of the present utility model: a kind of capillary slight irrigation and fertilization system that is exclusively used in fruit tree, comprise pond, described pond is connected with main pipeline by water-supply-pipe and water pump, on described main pipeline, be parallel with and be in charge of, be parallel with arm described being in charge of, and is parallel with capillary irrigator on described arm; Described capillary irrigator is comprised of capillary, water knockout drum and connector; Described water knockout drum top is cavity cylinder, and bottom surrounding has capillary pipe nipple, and capillary pipe nipple is communicated with cavity cylinder; Described connector is hollow structure, and its lower end is inserted in cavity cylinder, and upper end is communicated with arm; Described capillary is connected with capillary pipe nipple.
Described water knockout drum bottom surrounding has 2-4 capillary pipe nipple, 2-4 capillary of corresponding connection.
Described capillary inner diameter 2.5-4 millimeter, length 0.5-2 rice.
Described end capillaceous is fitted with sticking plaster, and the length of sticking plaster is 10-15 centimetre, and diameter is less than 1 millimeter of capillary inner diameter.
The advantage that the utility model compared with prior art has and effect:
1, water yield is large.The water flow 300-600 ml/min of every capillary is 100 times of drip irrigation.
2, anti-obstruction.Capillary inner diameter 2.5-4 ㎜, belongs to heavy in section irrigator, and physical clogging, chemistry obstruction and biological obstruction generally can not occur.Even if stop up, be also easier to cleaning.
3, have the feature of drip irrigation and infiltrating irrigation concurrently, can realize deep layer and irrigate.Fruit tree root system has stronger to water to fertilizer, and deep layer is poured water and fertilising is conducive to fruit tree root system development.
4, can according to Root Distribution rule, can arbitrarily adjust and pour water a little according to the size of each fruit tree, meet the needs of Fertigation, farthest meet root system liquid manure is absorbed nearby.
5, easy for installation, dismounting flexibly.Not limited by field topography, both can pour water, also can apply fertilizer, is the optimum facility of orchard water-fertilizer integral.
1,2,3 a kind of embodiment of the present utility model is described by reference to the accompanying drawings.
A kind of capillary slight irrigation and fertilization system that is exclusively used in fruit tree, comprise pond 1, described pond 1 is connected with main pipeline 3 by water-supply-pipe 13 and water pump 2, on described main pipeline 3, is parallel with and is in charge of 4, be parallel with arm 5 described being in charge of on 4, on described arm 5, is parallel with capillary irrigator 6; Described capillary irrigator 6 is comprised of capillary 7, water knockout drum 8 and connector 9; Described water knockout drum 8 tops are cavity cylinder 10, and bottom surrounding has capillary pipe nipple 11, and capillary pipe nipple 11 is communicated with cavity cylinder 10; Described connector 9 is hollow structure, and its lower end is inserted in cavity cylinder 10, and upper end is communicated with arm 5; Described capillary 7 is connected with capillary pipe nipple 11.
Described water knockout drum 8 bottom surroundings have 4 capillary pipe nipples 11,4 capillaries 7 of corresponding connection.3 millimeters of described capillary 7 internal diameters, 1 meter of length.The end of described capillary 7 is fitted with sticking plaster 12, and the length of sticking plaster 12 is 15 centimetres, and diameter is less than 1 millimeter of capillary 7 internal diameter.
1, install and construct:
1) piping network installation.Every row fruit tree is installed an arm, near fruit tree root, places, and arm is selected ￠ 16-20 ㎜ PE pipe, and supervisor is with row to vertical, and every row has band valve bypass to be connected with arm.
2) build in pond.Build roadside as far as possible in, be convenient to store natural pond liquid.Minimum irrigation quantity is made as 10 kilograms/strain, the dense planting kiwi fruit tree garden of 3 * 2 meters, and 110 plants/acre, take once minimum irrigation quantity as bottom line, 1.1 cubes/mu of water-storage capacitys, the orchard of 5 mu, minimum water-storage capacity is 5.5 cubes.
3) rich water cave (pouring water a little) determined.3-4/strain of large tree, little tree 2-3, approximately 20 centimetres of diameter, the degree of depth.Position, at the intensive place of root system, along with the growth of fruit tree, can regulate year by year, outwards moves.Rich water cave (pouring water a little) is corresponding connects a capillary, i.e. the corresponding rich water cave of every capillary, and make end capillaceous be positioned at rich water cave (pouring water a little) and bury by soil pressure.
2, using method:
1) open the valve of every row arm,
2) start water pump, start to irrigate
3), if use natural pond liquid or liquid organic fertilizer, finally with clear water, rinse 3-5 minute.
3, operation principle: irrigation water enters pipe network and is evenly distributed to each capillary irrigator through pressurization, then flow into rich water cave through water knockout drum and capillary, in rich water cave, water and fertilizer are seeped into around fruit tree root system under slowly.
4, irrigate inhomogeneity adjusting:
The uniformity of pouring water (being pressure compensation) is the matter of utmost importance that all irrigation systems need to solve.Capillary irrigator main feature is long runner and heavy in section, contributes to solve blockage problem, but because capillary water yield is large, the flow of each irrigator is generally 80-100 times of drip irrigation, and large flow very easily causes irrigating inhomogeneous phenomenon and occurs.The Flow-rate adjustment mechanism of capillary irrigator is divided into following three aspects:
1. by length adjustment capillaceous.Three parts (connector, water knockout drum, capillary) of irrigator can play resistance effect, can increase the pressure compensation of irrigator, and wherein effect capillaceous is the most remarkable.The size of pressure compensation effect capillaceous depends on caliber and length capillaceous.Caliber is less, longer its pressure compensation effect of capillary is larger.For guaranteeing that irrigator does not stop up, capillary inner diameter is greater than 2.4mm, length is greater than the needs that 0.5m can meet even irrigation, and uniformity of irrigation water appilcation can reach more than 85%.
2. by connector, regulate.Connector is inwardly screwed in, and flow reduces, and outwards screws out, and flow is maximum, can generally near water end, tune up in field according to uninterrupted Field adjustment, and far water end is turned down.
3. by inserting sticking plaster at capillary end, regulate.Sticking plaster can directly play resistance effect, and the length of sticking plaster is about 15 centimetres, and diameter is less than 1 millimeter of capillary inner diameter, and insertion depth can adjust flux, inserts dark flow little, inserts shallow flow large.
This system is applicable to water-saving irrigation and the liquid fertilization of the multiple fruit trees such as apple, kiwi fruit, peach, banana, not limited by field topography, can administration of water soluble chemical fertilizer, the multiple fertilizer such as natural pond liquid, and be the optimum facility of current orchard water-fertilizer integral.
Above-described embodiment, is preferred embodiment of the present utility model, is not used for limiting the utility model practical range, thus all equivalent variations of being done with content described in the utility model claim, within all should being included in the utility model claim scope.