CN103081783A

CN103081783A - Infiltrating irrigation system

Info

Publication number: CN103081783A
Application number: CN2013100418484A
Authority: CN
Inventors: 李海军; 李学奇; 孙宝; 魏金波
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-02-04
Filing date: 2013-02-04
Publication date: 2013-05-08

Abstract

An infiltrating irrigation system mainly resolves the existing problems of infiltrating irrigation pipe blockage, infiltrating irrigation pipe pressure unbalance and the like in the infiltrating irrigation technology. The infiltrating irrigation system mainly comprises a water well and the like. An outlet of a water pump is communicated with a main pipe by a sand and stone filter being communicated with a water tank, a filter, a fertilizing device, a pressure gage, a flow gauge, and a control valve, the terminal of the main pipe is communicated with a water discharge well, the main pipe is communicated with a branch pipe by crossing branches, the branch pipe is connected with side pipes, the side pipes are arranged in a parallel mode, a plurality of capillary pipes are communicated between each two side pipes which are arranged in the parallel mode, water seepage holes are formed in the capillary pipes, non-woven fabrics wrap outside the capillary pipes, the capillary pipes are paved below the ground, and automatic air discharge valves are arranged on the highest points of the capillary pipes. The infiltrating irrigation system has the advantages that the capillary pipes are enabled to feed water from two sides through a reasonable arrangement, pressure loss produced by water seepage to the capillary pipes is lowered, the whole system is enabled to supply water to crops under the balanced pressure, and due to the fact that the non-woven fabrics wrap on the capillary pipes to isolate the capillary pipes and soil, the problem of blockage and pollution from the soil to the capillary pipes is effectively avoided.

Description

A kind of infiltrating irrigation system

Technical field

[0001] the present invention relates to a kind of agricultural water-saving irrigation system, be specifically related to a kind of infiltrating irrigation system.

Background technology

[0002] infiltrating irrigation is the sprinkling irrigation that continues, a kind of new and effective subsurface irrigation technology after drip irrigation, it is that the infiltrating irrigation pipe with uniform micro is embedded in crop root zone, utilize hole small on the infiltrating irrigation pipe tube wall, under the lower pressure effect, water is oozed out by the mode that is " sweating " in pipe outside pipe, spread to the soil body at the water sorption capillaceous by the tube wall surrounding soil, reach continuously and supply water to the root of the crop layer, thereby the overall process of implementing the crop growth phase is irrigated, it is high that this technology has a water-saving rate, do not evaporate seepage loss, do not cause the earth's surface to harden, suppress weed growth, be convenient to the characteristics of ground farming and cultivation management, it is a kind of desirable high-efficiency water-saving technology.The U.S., Israel etc. occupy first place in the world in infiltration irrigation technology research, and China still belongs to the starting stage, and some key technologies also do not obtain fine solution, and as the blockage problem of infiltrating irrigation pipe, infiltrating irrigation pipe pressure imbalance etc. still need people constantly to explore.

Summary of the invention

Stop up in order to solve the infiltrating irrigation pipe that exists in infiltration irrigation technology, the problems such as infiltrating irrigation pipe pressure imbalance, the present invention proposes a kind of infiltrating irrigation system, by to the rational deployment of infiltrating irrigation system with to the improvement of infiltrating irrigation pipe, thereby addresses the above problem.

technical scheme of the present invention is: a kind of infiltrating irrigation system, mainly comprise well, main pipe, hollow billet etc., well bottom has pipe to be communicated with water pump, exit of pump is by gravel filter joining water box top, exit of pump separately has device for cleaning pipeline to cross back-water valve (BWV) to be communicated with well top, water tank bottom outlet apart from high o'clock of ground greater than more than two meters, filter is passed through in the water tank bottom outlet, fertilizer applicator, manometer, flowmeter and control valve are communicated with main pipe, the main pipe upper end has some through holes, each through hole is communicated with a three-way pipe, this three-way pipe is communicated with respectively a minute main, be connected with a minute main valve between this three-way pipe and each minute main, every group of two minutes main valve is located in valve pit, dividing main to pass the valve pit wall is layed in underground, minute main and main pipe are and intersect arrangement, have some through holes on each minute main and be communicated with arms, arm and a minute main are and intersect arrangement, be between arm and be arranged in parallel, be communicated with some hollow billets between every two arms that are arranged in parallel, evenly have water seepage hole on hollow billet, the hollow billet outside is wound with nonwoven.

In such scheme, main pipe is layed in below frozen soil layer, main pipe terminal communicated drainage well, and the main pipe terminal is connected with valve in gully.

In such scheme, minute main, arm and hollow billet are layed in underground, apart from ground 30～60cm.

In such scheme, the peak that each hollow billet is laid has through hole and is communicated with automatic exhaust steam valve by pipeline.

the present invention has following beneficial effect: this a kind of infiltrating irrigation system has adopted the arranged crosswise main pipe, divide main, arm and hollow billet, make hollow billet intake from both sides, reduced the pressure loss that hollow billet produces because of infiltration, the infiltrating irrigation Strength retention is consistent when the same intake pressure, whole infiltrating irrigation system is all supplied water to crop root under pressure stably at one, by be wound around nonwoven isolation hollow billet and soil on hollow billet, prevent that effectively soil is to the blocking pollution problem of hollow billet, whole pipe network is embedded in underground and is provided with valve pit and gully, the hollow billet eminence is provided with automatic exhaust steam valve, effectively solve drainage problem and vapour lock problem,

In sum, because being directly applies fertilizer, supplies water crop root underground, this infiltrating irrigation system has moisture and does not does not scatter and disappear, compares with ground drip irrigation the characteristics that general spoiled soil soil moisture content, soil are difficult for hardening, not affected by topography and geomorphology, be fit to the irrigation of dry land large scale system, water-saving result is good.

Description of drawings:

Accompanying drawing 1 is system schematic of the present invention;

Accompanying drawing 2 is elevation of part 12 of the present invention;

Accompanying drawing 3 is elevation of part 17 of the present invention;

Accompanying drawing 4 is facade sections of part 15 of the present invention.

In figure 1, well; 2, water pump; 3, gravel filter; 4, water tank; 5, filter; 6, fertilizer applicator; 7, manometer; 8, flowmeter; 9, back-water valve (BWV); 10, control valve; 11, main pipe; 12, valve pit; 13, minute main; 14, arm; 15, hollow billet; 16, automatic exhaust steam valve; 17, gully; 18, minute main valve; 19, nonwoven; 20, soil ground; 21, water seepage hole.

Embodiment:

The invention will be further described below in conjunction with accompanying drawing:

by Fig. 1 in conjunction with Fig. 2, Fig. 3 and shown in Figure 4, a kind of infiltrating irrigation system, mainly comprise well 1, main pipe 11, hollow billet 15 etc., well 1 bottom has pipe to be communicated with water pump 2, water pump 2 outlet is by gravel filter 3 joining water box 4 tops, water pump 2 outlet separately has device for cleaning pipeline to cross back-water valve (BWV) 9 to be communicated with well top, water tank 4 outlet at bottoms apart from high o'clock of ground greater than more than two meters, water tank 4 outlet at bottoms are by filter 5, fertilizer applicator 6, manometer 7, flowmeter 8 and control valve 10 are communicated with main pipe 11, main pipe 11 upper ends have some through holes, each through hole is communicated with a three-way pipe, this three-way pipe is communicated with respectively a minute main 13, be connected with a minute main valve 18 between this three-way pipe and each minute main 13, every group of two minutes main valve 18 is located in valve pit 12, dividing main 13 to pass valve pit 12 walls is layed in underground, minute main 13 and main pipe 11 are and intersect arrangement, have some through holes on each minute main 13 and be communicated with arms 14, arm 14 and a minute main 13 are and intersect arrangement, be between arm 14 and be arranged in parallel, be communicated with some hollow billets 15 between every two arms 14 that are arranged in parallel, evenly have water seepage hole 21 on hollow billet 15, hollow billet 15 outsides are wound with nonwoven 19, so layout makes hollow billet 15 from arm 14 water inlets of both sides, partial pressure loss on the full pipeline of avoiding causing because of one-sided water inlet, reduce the overall length pressure range of decrease of hollow billet 15, at the outside nonwoven 19 that is wound around of hollow billet 15, make between hollow billet 15 and soil and keep apart, having avoided soil that hollow billet 15 is produced stops up and pollutes.

Main pipe 11 is layed in below frozen soil layer, prevent the interior remaining water bursting by freezing pipeline of pipeline in the winter time, main pipe 11 terminal communicated drainage wells 17, be connected with valve in interior main pipe 11 terminals of gully 17, need in the winter time or not the season of infiltrating irrigation that the water in pipeline is entered gully 17 through Valved discharge.

In such scheme, according to root characteristics and the topography and landform character of crop, minute main 13, arm 14 and hollow billet 15 are layed in underground, apart from soil ground 20 30～60cm.

In such scheme, the peak that each hollow billet 15 is laid has through hole and is communicated with automatic exhaust steam valve 16 by pipeline, and the air in managing when first water supply is drained, and prevents vapour lock, guarantees the infiltrating irrigation quality.

Claims

1. infiltrating irrigation system, mainly comprise well (1), main pipe (11), hollow billet (15) etc., it is characterized in that: have pipe to be communicated with water pump (2) bottom well (1), water pump (2) outlet is by gravel filter (3) joining water box (4) top, water pump (2) outlet separately has device for cleaning pipeline to cross back-water valve (BWV) (9) to be communicated with well top, water tank (4) outlet at bottom apart from high o'clock of ground greater than more than two meters, water tank (4) outlet at bottom is by filter (5), fertilizer applicator (6), manometer (7), flowmeter (8) and control valve (10) are communicated with main pipe (11), main pipe (11) upper end has some through holes, each through hole is communicated with a three-way pipe, this three-way pipe is communicated with respectively a minute main (13), be connected with a minute main valve (18) between this three-way pipe and each minute main (13), every group two minutes the main valve (18) be located in valve pit (12), dividing main (13) to pass valve pit (12) wall is layed in underground, minute main (13) and main pipe (11) are and intersect arrangement, have some through holes on each minute main (13) and be communicated with arms (14), arm (14) and a minute main (13) are and intersect arrangement, be between arm (14) and be arranged in parallel, be communicated with some hollow billets (15) between every two arms (14) that are arranged in parallel, evenly have water seepage hole (21) on hollow billet (15), hollow billet (15) outside is wound with nonwoven (19).

2. a kind of infiltrating irrigation system according to claim 1, is characterized in that: divide main (13), arm (14) and hollow billet (15) to be layed in underground, apart from soil ground (20) 30～60cm.

3. a kind of infiltrating irrigation system according to claim 1 is characterized in that: the peak that each hollow billet (15) is laid has through hole and is communicated with automatic exhaust steam valve (16) by pipeline.

4. a kind of infiltrating irrigation system according to claim 1, it is characterized in that: main pipe (11) is layed in below frozen soil layer, main pipe (11) terminal communicated drainage well (17), main pipe (11) terminal is connected with valve in gully (17).