CN110169345A - A kind of water-fertilizer integral profit fill system - Google Patents

A kind of water-fertilizer integral profit fill system Download PDF

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Publication number
CN110169345A
CN110169345A CN201910613569.8A CN201910613569A CN110169345A CN 110169345 A CN110169345 A CN 110169345A CN 201910613569 A CN201910613569 A CN 201910613569A CN 110169345 A CN110169345 A CN 110169345A
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CN
China
Prior art keywords
water
pipeline
profit
level
field
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910613569.8A
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Chinese (zh)
Inventor
程伍群
绳莉丽
张西平
翟世彦
朱永涛
赵拥军
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Hebei Agricultural University
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Hebei Agricultural University
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Publication date
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Priority to CN201910613569.8A priority Critical patent/CN110169345A/en
Priority to CN201910730254.1A priority patent/CN110249984A/en
Publication of CN110169345A publication Critical patent/CN110169345A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C23/00Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
    • A01C23/02Special arrangements for delivering the liquid directly into the soil
    • A01C23/023Special arrangements for delivering the liquid directly into the soil for liquid or gas fertilisers
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C23/00Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
    • A01C23/04Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
    • A01C23/042Adding fertiliser to watering systems
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • A01G25/06Watering arrangements making use of perforated pipe-lines located in the soil
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G29/00Root feeders; Injecting fertilisers into the roots

Abstract

The invention discloses a kind of water-fertilizer integrals to moisten fill system, pipeline is filled including irrigation system stem and profit, the irrigation system stem fills pipeline by the profit and carries out profit filling operation to field earth's surface, the profit fills pipeline and is embedded in underground, it includes main pipeline that the profit, which fills pipeline, level-one water-main road, second level water-supply pipeline and three-level field distributing pipe line, the profit fills pipeline using distributed profit fill system, the water outlet hollow billet depth of burying of three-level field sparge pipe is 35-40cm of field face or less, the water outlet hollow billet upper water-out mouth spacing is 80cm, the water outlet of three-level field distributing pipe line is provided with film regulation device.The present invention is by the overlay film above and below underground drip irrigation water dropper, and overcomes underground drip irrigation mainly with gravity water distribution, the disadvantage with fertilizer, and underground is efficiently poured water, applying fertilizer proposes technological approaches to be widely applied.

Description

A kind of water-fertilizer integral profit fill system
Technical field
The present invention relates to a kind of agricultural irrigation systems more particularly to a kind of water-fertilizer integral to moisten fill system.
Background technique
Agricultural irrigation water is a kind of expendable water, its proportion is maximum in different industries water consumption, excessive agriculture Industry irrigation water causes a series of Environmental and ecological problems such as dry, the level of ground water sharp fall in river, makees produce in guarantee It measures while the importance that agricultural irrigation water is the invention patent is greatly reduced;Crop field basic at present is irrigated, packet It includes ground water conveyance irrigation and facility transmission & distribution water is irrigated, require the corresponding water delivery furrow in field face, embanked field or pipeline and be sprayed head etc. Engineering irrigation facility, these not only occupy farmland, but also affect the progress of field farming, and the invention patent can realize transmission & distribution water system System had not only saved arable land, but also do not influence each other with field farming under earth's surface, to realize that agricultural automation provides well Condition;Crop to the absorption for irrigating liquid manure is carried out by root system, and most effective fertigation mode is in the main root of crop It is area's water distribution, fertilising, and it is that supply root zone moisture and nutrient are infiltrated by field face that crop field, which is irrigated, at present, in this process not only In the presence of a large amount of evaporation (one of source of atmosphere pollution), filter loss, it is difficult to which realization precisely pours water and applies fertilizer, and earth's surface Between moisture and fat up weeds in field promoted to grow thickly, the use of herbicide destroys field ecological environment, and the invention patent realizes The direct water distribution of root zone, fertilising maintain the drying in field face while water-saving, section is fertile, inhibit weedy, have good life State effect;At present crop field irrigation system mainly by field water, fertilizer infiltrate, indirectly supplement crop root zone moisture and nutrient, And the main feeding root of crop ties up to 20-60cm under earth's surface, to reach uniform water distribution with primary irrigate of fertilizer and need biggish irrigation Water and dose not only polluted topsoil, but also waste liquid manure, this is also that traditional field irrigation is difficult to improve liquid manure The irrigation system of the immediate cause of utilization efficiency, the invention patent design can guarantee that the liquid manure of irrigation is distributed mainly on crop field earth's surface In lower 20-60cm, the good condition created is realized for efficient water-fertilizer integral, can greatly reduce irrigating water quota, and according to crop Specifically need to combine fertigation, so that reaching reduces crop irrigation quota, water-saving fertilizer-saving not only greatly reduces field heavy rain Pollution of the runoff to water body, also prevents underground water pollution caused by liquid manure deep percolation substantially, and field irrigation fertilising is overcome to cause Pollution of area source.By field experiment, the reliability of the invention patent content is also demonstrated.
Summary of the invention
In view of the above-mentioned problems, the object of the invention is that providing a kind of water-fertilizer integral profit fill system.
The present invention through the following technical solutions to achieve the above objectives:
The present invention includes irrigation system stem and profit fills pipeline, and the irrigation system stem fills pipeline to field by the profit Ground earth's surface carries out profit and fills operation, and the profit fills pipeline and is embedded in underground, and it includes main pipeline, level-one water-main that the profit, which fills pipeline, Road, second level water-supply pipeline and three-level field distributing pipe line, the profit fill pipeline using distributed profit fill system, the three-level field Between sparge pipe the water outlet hollow billet depth of burying be field face below 35-40cm, the water outlet hollow billet upper water-out mouth spacing be 80cm, The water outlet of the field distributing pipe line is provided with film regulation device.
Specifically, the film regulation device includes lower layer's regulation film, permeable matrix, upper layer film, and the three-level pipeline goes out Mouth end is provided with sets gradually permeable matrix, lower layer's regulation film from the top down, and infiltration film, upper layer are led in setting upper layer above three-level pipeline Film is identical as permeable substrate size.
Further, the dimension scale of lower layer's regulation film and the upper layer film is 4:3.
Specifically, the irrigation system stem includes being provided with iirigation water source water filter and fertilization time controller.
Further, level-one water-main road is PVC pipe pipeline, the second level water-supply pipeline and three-level field Distributing pipe line is PE tubing pipeline.
Specifically, it is small with minimum differntial pressure rate using the maximum of pressure compensating emitter and same rotation flow group to fill pipeline for the profit In 10%.
Further, it is 35-40cm under the face of field that the profit, which fills the distributing pipe line depth of burying of pipeline,.
The beneficial effects of the present invention are:
The present invention is by the overlay film above and below underground drip irrigation water dropper, and overcomes underground drip irrigation mainly with gravity water distribution, with fertilizer The shortcomings that, and to be widely applied, underground is efficiently poured water, applying fertilizer proposes technological approaches.
1) traditional underground drip irrigation system is solved due to the blockage problem of negative pressure and root system initiation;
2) it is all wet to realize the main topsoil of crop, adapts this irrigation system to the common crop in crop field;
3) prevent irrigation liquid manure deep percolation substantially, not only save irrigation water to greatest extent, but also avoid and apply It fertile excessive accumulation in topsoil and is polluted caused by underground water;
4) it keeps field face dry in soil after irrigation, greatly reduces Evaporation among plants, improve irrigation water utilization efficiency;
5) since field face keeps drying, greatly mitigation weeds propagation and widespread, the threat of common disease and pest is also effectively reduced, it is less to remove The usage amount of careless agent and pesticide is especially significant to Production of Winter Wheat;
6) it directly applies fertilizer in crop root, reduces intermediate link, without the leakage and evaporation of fertilizer, it is raw to reduce agricultural Pollution of the fertilising to atmosphere and underground water is produced, and greatly improves utilization rate of fertilizer, long-standing problem China chemical fertilizer is solved and utilizes The too low situation of rate;
7) distributing pipe line be embedded in field Cultivation effect depth (25cm under the face of field) hereinafter, not with the mutual shadow of field farming It rings.
8) implementation of the system is not needing field earth's surface canal for water distribution, pipeline and embanked field, and 2% or more farmland saving fills It irrigates fertilising no longer to influence each other with other farming operations, take a firm foundation for agricultural modernization, automation;
9) it can realize that real-time moisturizing is irrigated by field liquid manure status monitoring, crop yield, quality not only can be improved, And lay the foundation to realize in the automation of water-fertilizer integral irrigation system, the target of wisdom agricultural is done step-by-step;
Detailed description of the invention
Fig. 1 is that profit of the invention fills pipe-line system distribution map;
Fig. 2 leads infiltration apparatus structure schematic diagram for of the invention;
Fig. 3 is that device cross-sectional view is seeped in of the invention leading;
Fig. 4 is the water stain distribution schematic diagram of trickle irrigation of traditional technology;
Fig. 5 is the water stain distribution schematic diagram of trickle irrigation of the invention;
Fig. 6 is that the blocking of Different Crop root system is tested with Root Distribution;
Fig. 7 is that trickle irrigation Computer Numerical Simulation of the invention tests schematic diagram;
In figure: 1- irrigation system stem 2- film regulation device 3- three-level field distributing pipe line 21- lower layer regulates and controls film, 22- Permeable matrix 23- upper layer film
Specific embodiment
The present invention will be further explained below with reference to the attached drawings:
As shown in Figure 1, the present invention includes irrigation system stem 1 and profit fills pipeline, the irrigation system stem 1 passes through described Profit, which fills pipeline and carries out profit to field earth's surface, fills operation, and the profit fills pipeline and is embedded in underground, the profit filling pipeline include main pipeline, Level-one water-main road, second level water-supply pipeline and three-level field distributing pipe line 3, the profit fill pipeline and fill system using distributed profit System, the water outlet hollow billet depth of burying of three-level field sparge pipe 3 are 35-40cm of field face or less, the water outlet hollow billet upper water-out Mouth spacing is 80cm, and the water outlet of the field distributing pipe line is provided with film regulation device 2.
As shown in Figures 2 and 3, the film regulation device 2 includes lower layer's regulation film 21, permeable matrix 22 and upper layer film 23, institute The outlet end for stating three-level pipeline 3 is provided with and sets gradually permeable matrix, lower layer's regulation film from the top down, setting above three-level pipeline Infiltration film is led on upper layer, and upper layer film is identical as permeable substrate size.
The dimension scale of lower layer's regulation film 21 and the upper layer film 23 is 4:3.
The irrigation system stem includes being provided with iirigation water source water filter and fertilization time controller.
Level-one water-main road is PVC pipe pipeline, the second level water-supply pipeline and three-level field distributing pipe line It is PE tubing pipeline.
The profit fills pipeline using the maximum and minimum differntial pressure rate of pressure compensating emitter and same rotation flow group less than 10%.
The profit fills the distributing pipe line of pipeline as shown in Figure 1, the depth of burying is 35-45cm under the face of field.
For the water stain distribution signal of the trickle irrigation of traditional technology as shown in figure 4, underground drip irrigation moistens shape, intermediate stain is water outlet Water dropper, wetting body is not only larger but also in a saturated state under water dropper, and water content is big, and water dropper top is that soil hollow billet absorbs water shape At wetting body, small volume water content is lower.White point is EXIT POINT in figure, is bottom between two white points below right part of flg EXIT POINT It is that different periods irrigate liquid manure wetted perimeter that black line is closed in film figure.
The experimental results showed that traditional underground drip irrigation EXIT POINT is mainly the water distribution into soil under the effect of gravity, liquid manure master It is distributed in below EXIT POINT, and wetting body lifting height and to the wet model of EXIT POINT two sides under soil suction effect It encloses small;Thus causing corresponding irrigation system buried depth will be close to earth's surface (generally within 25cm), can only be along hydraulic pipeline shape At a humid zone, it is difficult to realize comprehensively wet.
Above and below buried EXIT POINT after two sides setting water-fertilizer conditioning film, experimental result under equal conditions as shown in figure 5, by In the presence of counterdie, largely counteracts liquid manure and go out the gravity water distribution effect after flowing, act on liquid manure in soil suction Under based on wet upper layer of soil, basically will not produce the deep percolation of liquid manure;In addition, the regulating and controlling effect of film not only makes liquid manure wet Moisten body lifting height to increase, is conducive to increase aqueduct and the EXIT POINT depth of burying, avoids irrigation system to field farming It influences, also greatly increases irrigation wetting body width, provide condition to realize that the main root zone of crop moistens comprehensively, prevent and treat out The mouth of a river is blocked by crop root and is distributed mainly on crop root in 0-40cm topsoil, improves liquid manure utilization efficiency.
Fig. 6 tests for the blocking of Different Crop root system with Root Distribution, the experimental results showed that;4 kinds of 90% or more crop roots It is distributed in 0-40cm soil layer, upper film edge hair root distribution density is larger, and water outlet nearby has no Root Distribution, not will cause Blocking.
Fig. 7 is that trickle irrigation Computer Numerical Simulation of the invention tests schematic diagram, and numerical simulation selects Van Genuchten (1980) model corresponds to soil (being derived from engineering construction crop field) for indoor Physical Experiment and determines that the soil physics needed for calculating are joined Number, numerical result are as shown in Figure 7: Computer Numerical Simulation is consistent with indoor Physical Experiment result, demonstrate,proves from different perspectives The reasonability of newly built construction technical solution is illustrated.By above experiment and digital simulation, we specify the Novel irrigation system Liquid manure migration process in the soil, was sketched as the following four stage:
First stage: irrigation water flows out douche to film tape edge edge
Second stage: soil, which starts to moisten to wetting front, is advanced to counterdie edge
Phase III: before the wetting front outflow supreme film top wetting front of counterdie crosses
Fourth stage: upper film top wetting front, which crosses to pouring water, to be terminated
By the experiment that Novel irrigation system is unfolded, solve following problem in science substantially:
On the basis of Physical Experiment indoors, Computer Numerical Simulation and field experiment, the key of present system is summed up Design parameter:
It is discharged the hollow billet depth of burying: 35-40cm below the face of field;Water outlet lower layer regulates and controls film having a size of 40*40cm;Water outlet Mouth upper layer film and permeable substrate size are 30*30cm;Hollow billet upper water-out mouth spacing is 80cm;Field hollow billet spacing is 80cm;Out Mouth of a river outflow is that (selected according to field soil type, the loam flow of Sha Xingqiang more greatly, relatively glues the soil of weight to 1.5-2.5l/h Earth uses smaller flow).
A large amount of field experiment illustrates the reasonability of these parameters, due to length, to using the new of the above design parameter Type irrigation system water consumpation distribution experiments result repeats no more.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and Made any modifications, equivalent replacements, and improvements etc., should be included within the scope of the present invention within principle.

Claims (7)

1. a kind of water-fertilizer integral moistens fill system, including irrigation system stem and profit fill pipeline, and the irrigation system stem passes through The profit fills pipeline and carries out profit filling operation to field earth's surface, it is characterised in that: the profit fills pipeline and is embedded in underground, and the profit fills Pipeline includes main pipeline, level-one water-main road, second level water-supply pipeline and three-level field distributing pipe line, and the profit fills pipeline and adopts Moisten fill system with distribution, the water outlet hollow billet depth of burying of three-level field sparge pipe is 35-40cm of field face or less, described Water outlet hollow billet upper water-out mouth spacing is 80cm, and the water outlet of the field distributing pipe line is provided with film regulation device.
2. a kind of water-fertilizer integral according to claim moistens fill system, it is characterised in that: the film regulation device includes Lower layer regulates and controls film, permeable matrix, upper layer film, and the outlet end of the three-level pipeline is provided with sets gradually permeable base from the top down Matter, lower layer regulate and control film, and infiltration film is led on setting upper layer above three-level pipeline, and upper layer film is identical as permeable substrate size.
3. a kind of water-fertilizer integral profit fill system according to claim, it is characterised in that: lower layer's regulation film and institute The dimension scale for stating upper layer film is 4:3.
4. a kind of water-fertilizer integral profit fill system according to claim, it is characterised in that: the irrigation system stem packet It includes and is provided with iirigation water source water filter and fertilization time controller.
5. a kind of water-fertilizer integral profit fill system according to claim, it is characterised in that: level-one water-main road For PVC pipe pipeline, the second level water-supply pipeline and three-level field distributing pipe line are PE tubing pipeline.
6. a kind of water-fertilizer integral profit fill system according to claim, it is characterised in that: the profit fills pipeline using pressure The maximum of compensation type water dropper and same rotation flow group is with minimum differntial pressure rate less than 10%.
7. a kind of water-fertilizer integral profit fill system according to claim, it is characterised in that: the profit fills the water distribution of pipeline Piping laying depth is 35-40cm under the face of field.
CN201910613569.8A 2019-07-09 2019-07-09 A kind of water-fertilizer integral profit fill system Pending CN110169345A (en)

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Application Number Priority Date Filing Date Title
CN201910613569.8A CN110169345A (en) 2019-07-09 2019-07-09 A kind of water-fertilizer integral profit fill system
CN201910730254.1A CN110249984A (en) 2019-07-09 2019-08-08 A kind of water-fertilizer integral profit fill system

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CN105850678B (en) * 2016-05-10 2018-11-09 中铁第一勘察设计院集团有限公司 Infiltrating irrigation system and its irrigation method under drought and water-scarce area railway sand prevention reproducing area
CN108990766A (en) * 2017-06-07 2018-12-14 翟世彦 Farmland underground, which fills, seeps water-saving new technique

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