CN105850678B - Infiltrating irrigation system and its irrigation method under drought and water-scarce area railway sand prevention reproducing area - Google Patents

Infiltrating irrigation system and its irrigation method under drought and water-scarce area railway sand prevention reproducing area Download PDF

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Publication number
CN105850678B
CN105850678B CN201610304665.0A CN201610304665A CN105850678B CN 105850678 B CN105850678 B CN 105850678B CN 201610304665 A CN201610304665 A CN 201610304665A CN 105850678 B CN105850678 B CN 105850678B
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irrigation
water
pipe
area
hydraulic pipeline
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CN105850678A (en
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李成
柯贞东
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China Railway First Survey and Design Institute Group Ltd
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China Railway First Survey and Design Institute Group Ltd
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    • 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
    • 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
    • A01G25/16Control of watering
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01MCATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22Improving land use; Improving water use or availability; Controlling erosion

Abstract

Infiltrating irrigation system and its irrigation method under a kind of drought and water-scarce area railway sand prevention reproducing area involved in the present invention.In sand damage to railway prevention practice, builds dry, branch canal and carry out gravity flow flood irrigation, though obtaining preferable sand-fixing effect, canal irrigation water consumption is big, costly.The present invention is irrigated using sub-irrigation system, using water pump assembly diversion, after stem filter plant filtration treatment, leads to the hydraulic pipeline for the irrigated area underground that is laid in;Hydraulic pipeline is divided into main pipe, branch pipe and sparge pipe, and branch pipe forms multi-region irrigating unit by group areas, and irrigation water is grouped rotation flow through main pipe to the branch pipe of each irrigating unit, most afterwards after sparge pipe and turbulent pressure compensating drip irrigation belt pressure release energy dissipating trickle irrigation in plant root.The present invention uses the infiltration irrigation technology of hidden pipe water delivery, make water droplet penetrate into it is husky in moisten the irrigation method of plant root, it is easy to aging under solar radiation effect and the problems such as destroyed by stream to overcome ground hollow billet.

Description

Infiltrating irrigation system and its irrigation method under drought and water-scarce area railway sand prevention reproducing area
Technical field
The present invention relates to a kind of irrigation methods, and in particular to a kind of drought and water-scarce area railway sand prevention afforestation sub-irrigation system System and its irrigation method.
Background technology
Vegetative sand control afforestation is the essential measure for preventing railway from being invaded by drift sand.Roughness of ground surface is improved using biological control measure It is the method that people recognize and generally use very early to reduce wind energy.Vegetative sand control can not only weaken wind speed, the external sand of blocking Source, while can also be by the soil-forming process of plant to fix sand drift, it may be said that dune-fixating forestation is that control and tackling quicksand are most basic And effective measures.
Dune-fixating forestation is carried out along the railway, grass is educated and establishes vegetation, is had a very important significance, on the one hand can be prevented from producing Raw new husky source, while can also promote the natural growth of plant, it can often receive the benefits of getting twice the result with half the effort.
Vegetative sand control has the irreplaceable effect of other measures as the important measures that sand damage to railway is prevented, however but It is strictly limited by natural conditions, such as precipitation, sand bed natural moisture content, earth's surface degree of stability.It is prevented in sand damage to railway It is in practice, tall and big sand dune is smooth at terraced fields, it builds dry, branch canal and carries out gravity flow flood irrigation, though obtain preferable sand-fixing effect, canal It is big, costly to fill water consumption.Arid-desert areas natural conditions complexity is harsh, although photo-thermal abundance is conducive to plant growth hair It educates, however drought and water shortage, wind-sand activity, soil depletion etc., but it is unfavorable for plant growth and colonization.Therefore, in arid desert In the vegetative sand control activity in area, drought and water shortage is then always to compare to be difficult to overcome the problems, such as.
Invention content
The object of the present invention is to provide infiltrating irrigation system and its irrigation sides under a kind of drought and water-scarce area railway sand prevention reproducing area Method overcomes open channel flood irrigation to take up an area the technological deficiency of water wasting.
The technical solution adopted in the present invention is:
Infiltrating irrigation system under drought and water-scarce area railway sand prevention reproducing area, it is characterised in that:
Include water pump assembly, stem filter plant, hydraulic pipeline, irrigation control system and douche, is separately provided with filling Irrigate control room;
Water pump assembly by water supply well or in clear water reserviors water pump and be mounted on the indoor startup cabinet of irrigation control Composition;
Stem filter plant is installed in irrigation control room, including stem intake and exhaust safety valve, sandstone separator, automatic anti- Rinse sand filter, fertilizer applicator, auto-flushing well strainer, auto-flushing disc-type filter, flowmeter and non-return valve;
Hydraulic pipeline uses the nontoxic rigid PVC plastic pipelines of U-PVC and pipe fitting, and be laid in irrigated area underground, is divided into Main pipe, branch pipe and sparge pipe;
Irrigation control system is being filled by being mounted on the indoor irrigation controller of irrigation control, power amplification case and laying installation Irrigate power transmission line in area and solenoid valve block at;
Douche (5) is the end-equipment of sub-irrigation system, and be laid in irrigated area underground, with matching in hydraulic pipeline Water pipe bleeder is connected and is laid along vegetational zone, using the compensation drop of turbulent pressure that 10~30cm is laid below the earth's surface of forest belt Band is filled, water outlet is and the one-time formed hollow billet of douche.
Chemical fertilizer decanting point is provided between water pump assembly and stem filter plant.
Safety valve and automatic inlet and outlet valve are provided on hydraulic pipeline.
Filtration irrigation method under drought and water-scarce area railway sand prevention reproducing area, it is characterised in that:
It is irrigated using sub-irrigation system, is drawn after stem filter plant filtration treatment using water pump assembly diversion To the hydraulic pipeline for the irrigated area underground that is laid in;
Hydraulic pipeline is divided into main pipe, branch pipe and sparge pipe, and branch pipe forms multi-region irrigating unit, irrigation water warp by group areas Main pipe is grouped rotation flow to the branch pipe of each irrigating unit, is most dripped after sparge pipe and turbulent pressure compensating drip irrigation belt pressure release energy dissipating afterwards It fills in plant root.
The present invention has the following advantages:
Sub-irrigation irrigation method provided by the present invention obviates the open channel flood irrigation mode for taking up an area water wasting, using hidden pipe The infiltration irrigation technology of water delivery makes water droplet penetrate into sand the irrigation method for moistening plant root, since its hollow billet and douche are embedding In earth's surface hereinafter, to overcome ground hollow billet easy to aging under solar radiation effect and the problems such as destroyed by stream, and reduce The invalid evaporation of irrigation water has good popularizing application prospect.
Description of the drawings
Fig. 1 is present system structure chart.
Specific implementation mode
The present invention will be described in detail With reference to embodiment.
Infiltrating irrigation system under drought and water-scarce area railway sand prevention reproducing area of the present invention, includes water pump assembly(1), it is first Portion's filter plant(2), hydraulic pipeline(3), irrigation control system(4)And douche(5), separately it is provided with irrigation control room.
Water pump assembly(1)By in water supply well or in clear water reserviors water pump and be mounted on the indoor startup of irrigation control Cabinet forms.
Stem filter plant(2)Be installed in irrigation control room, including stem intake and exhaust safety valve, sandstone separator, from Dynamic backwash sand filter, fertilizer applicator, auto-flushing well strainer, auto-flushing disc-type filter, flowmeter and check Valve.
Hydraulic pipeline(3)Using the nontoxic rigid PVC plastic pipelines of U-PVC and pipe fitting, be laid in irrigated area underground, It is divided into main pipe, branch pipe and sparge pipe.
Irrigation control system(4)By being mounted on the indoor irrigation controller of irrigation control, power amplification case and laying installation Power transmission line and solenoid valve block in irrigation district at.
Douche(5)For the end-equipment of sub-irrigation system, be laid in irrigated area underground, with hydraulic pipeline(3)In Sparge pipe bleeder be connected and along vegetational zone lay, using below the earth's surface of forest belt 10~30cm lay turbulent pressure compensate Formula drip irrigation zone.Drip irrigation zone is manufactured by hollow billet and douche one-pass molding, and douche is integrated into a whole with hollow billet, goes out well The inside and outside wall in the mouth of a river is smooth, and as common hollow billet, installation and maintenance are very convenient for drip irrigation zone.Since drip irrigation zone is embedded in earth's surface Hereinafter, it is easy to aging under solar radiation effect and the problems such as destroyed by stream to overcome ground hollow billet, and reduce irrigation water Invalid evaporation.Douche has turbulent pressure compensation function, and irrigation uniformity is high, is wanted to slight irrigation water transfer pipe network pressure harmony It asks low, can adapt to various rugged landform, maximum allowable height difference reaches 6m.Douche performance basic demand is:Work pressure Power is 5~25m heads, and it is 0.3~2.5mm to cross water flow passage aperture, and outflow is in 1~4L/h or so.
Water pump assembly(1)With stem filter plant(2)Between be provided with chemical fertilizer(Pesticide)Decanting point, decanting point and water source it Between non-return valve is installed, to prevent solution(Pesticide)Recharge and polluted source.Hydraulic pipeline(3)On be provided with safety valve and automatic Inlet and outlet valve;Safety valve be in order to prevent since branch pipe valve is not opened, and water pump constantly pressurization the height caused by pipe network crush It is bad;Automatic inlet and outlet valve is or air to be supplemented into pipe network in termination of pumping to exclude the gas in pipe network, to prevent pipe Inside there is negative pressure.
Fertilizer applicator selects differential pressure type fertilizer spreading tank, Wen Qiulishi injectors or fertilizer injection pump.Notably:Chemical fertilizer(Pesticide)'s Decanting point has to be placed between water source and filter, enters back into irrigation conduit after so that solution is first passed through filter, makes undissolved Chemical fertilizer and other impurity be disposed of, in order to avoid block pipeline and douche;Fertilising(Pesticide)Afterwards, it is necessary to using clear water residual Solution in system(Pesticide)It all rinses well, equipment is prevented to be corroded;In chemical fertilizer(Pesticide)Between decanting point and water source, Non-return valve must be installed, to prevent solution(Pesticide)Recharge and polluted source.
The present invention is irrigated using sub-irrigation system, is sent water to pouring water using the pipelines at different levels in drip irrigation system Device, after douche will have the flow energy dissipating of pressure, infiltrates sand prevention plant root zone with water droplet, and battalion is provided for plant normal growth development Support moisture.Before implementing infiltrating irrigation engineering, it is necessary to carry out water quality test to water source used, grasp water quality condition comprehensively, and according to oozing Douche type selected by fill system and performance of anti-blockage, reasonable selection cleaning equipment and facility, to ensure irrigation system just Often operation improves quality of pouring water.Water pump assembly(1)After diversion, through stem filter plant(2)After filtration treatment, leads to and be laid in The hydraulic pipeline of irrigated area underground(3);Hydraulic pipeline(3)It is divided into main pipe, branch pipe and sparge pipe, branch pipe is formed by group areas Multi-region irrigating unit, irrigation water are grouped rotation flow to the branch pipe of each irrigating unit through main pipe, are most mended afterwards through sparge pipe and turbulent pressure Trickle irrigation is in plant root after repaying the pressure release energy dissipating of formula drip irrigation zone.Rotation flow group is divided by following principle:1) rotation flow group division should meet plant Object needs water requirement, plan irrigated area that should mutually coordinate with water source water;2) the area phase as far as possible that each rotation flow group is controlled Deng, to make pump working stablize, and improve the efficiency of dynamic power machine and water pump, reduce energy consumption;3) division of rotation flow group should use up Amount is looked after sand-break and is managed and protected, and keeps its work convenient;4) in the infiltrating irrigation system automatically controlled, to reduce the flow of water delivery main pipe, Rotation flow group is preferably by the way of symmetrically arranging flowers.
In infiltrating irrigation system, drip irrigation zone is connected with final stage sparge pipe, and the douche above drip irrigation zone is end distribution apparatus, It is also the maximum equipment of dosage in infiltrating irrigation system, its installation cost and price has the cost of infiltrating irrigation system important shadow It rings, and the performance of douche directly influences infiltrating irrigation system and pours water the quality of quality, therefore, douche rises in infiltrating irrigation system Very important effect, is the critical component of infiltrating irrigation system.
The laying of drip irrigation zone and water outlet inspection method:
It, be according to forest belt planting requirement unwrapping wire before being laid with drip irrigation zone.Sundries is accumulated in the earthwork of pipe trench section where removing sparge pipe, According to drip irrigation zone paving location, punched on sparge pipe, installation sealing rubber ring, connector, PE pipes, bypass, and by drip irrigation zone with it is other It is logical to be connected.It, then should be according to drip irrigation zone paving location and road width, in advance such as the buildings such as irrigation control room and water supply well road PE pipes and PVC pillars are buried, bypass is installed respectively at the two ends of PE pipes, then drip irrigation zone is connected with bypass.It drip irrigation zone should edge Landform is embedded in below the earth's surface of 10~30cm of trees side.Drip irrigation zone must be smooth, and nothing is twisted, knotted.
Check drip irrigation zone with bypass junction whether leak, confirm without leak after along drip irrigation zone inspection drip irrigation zone go out regimen Condition is to drip irrigation zone tail end.It opens re-closed after drip irrigation zone tail end drains 10~15 minutes.Such as the individual drip irrigation zones of same irrigating unit Tail end is not discharged or water yield is smaller, then illustrates that some position of the drip irrigation zone has in damaged leak, discounting or PE pipes and has foreign matter, answers It is excluded.In aforementioned manners, each drip irrigation zone is checked as unit of rotation flow group until whole drip irrigation zones are normally discharged irrigation.
Present disclosure is not limited to cited by embodiment, and those of ordinary skill in the art are by reading description of the invention And to any equivalent transformation that technical solution of the present invention is taken, it is that claim of the invention is covered.

Claims (4)

1. infiltrating irrigation system under drought and water-scarce area railway sand prevention reproducing area, it is characterised in that:
It include water pump assembly(1), stem filter plant(2), hydraulic pipeline(3), irrigation control system(4)And douche(5), Separately it is provided with irrigation control room;
Water pump assembly(1)By in water supply well or in clear water reserviors water pump and be mounted on the indoor startup cabinet group of irrigation control At;
Stem filter plant(2)It is installed in irrigation control room, including stem intake and exhaust safety valve, sandstone separator, automatic anti- Rinse sand filter, fertilizer applicator, auto-flushing well strainer, auto-flushing disc-type filter, flowmeter and non-return valve;
Hydraulic pipeline(3)Using the nontoxic rigid PVC plastic pipelines of U-PVC and pipe fitting, be laid in irrigated area underground, is divided into Main pipe, branch pipe and sparge pipe;
Irrigation control system(4)It is being filled by being mounted on the indoor irrigation controller of irrigation control, power amplification case and laying installation Irrigate power transmission line in area and solenoid valve block at;
Douche (5) is the end-equipment of sub-irrigation system, and be laid in irrigated area underground, with hydraulic pipeline(3)In match Water pipe bleeder is connected and is laid along vegetational zone, using the compensation drop of turbulent pressure that 10~30cm is laid below the earth's surface of forest belt Band is filled, water outlet is and the one-time formed hollow billet of douche.
2. infiltrating irrigation system under drought and water-scarce area railway sand prevention reproducing area according to claim 1, it is characterised in that:
Water pump assembly(1)With stem filter plant(2)Between be provided with chemical fertilizer decanting point.
3. infiltrating irrigation system under drought and water-scarce area railway sand prevention reproducing area according to claim 1, it is characterised in that:
Hydraulic pipeline(3)On be provided with safety valve and automatic inlet and outlet valve.
4. filtration irrigation method under drought and water-scarce area railway sand prevention reproducing area, it is characterised in that:
It is irrigated using sub-irrigation system, utilizes water pump assembly(1)Diversion, through stem filter plant(2)After filtration treatment, Lead to the hydraulic pipeline for the irrigated area underground that is laid in(3);
Hydraulic pipeline(3)It is divided into main pipe, branch pipe and sparge pipe, branch pipe forms multi-region irrigating unit, irrigation water warp by group areas Main pipe is grouped rotation flow to the branch pipe of each irrigating unit, is most dripped after sparge pipe and turbulent pressure compensating drip irrigation belt pressure release energy dissipating afterwards It fills in plant root.
CN201610304665.0A 2016-05-10 2016-05-10 Infiltrating irrigation system and its irrigation method under drought and water-scarce area railway sand prevention reproducing area Active CN105850678B (en)

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CN108990766A (en) * 2017-06-07 2018-12-14 翟世彦 Farmland underground, which fills, seeps water-saving new technique
CN109088945A (en) * 2018-09-20 2018-12-25 嘉兴鑫铭源农业科技有限公司 Multi purpose pumping station and its control method
CN110169345A (en) * 2019-07-09 2019-08-27 河北农业大学 A kind of water-fertilizer integral profit fill system
CN110663512B (en) * 2019-10-25 2021-11-12 济南大学 Water-saving surface irrigation and low-pressure underground pipe network recharging and supplementary mining coupling system for super mining area
CN110754333A (en) * 2019-12-24 2020-02-07 中苏科技股份有限公司 Irrigation scheduling method suitable for irrigation area
CN112167012A (en) * 2020-09-07 2021-01-05 中铁第一勘察设计院集团有限公司 Railway sand wind plane micro-seepage drip irrigation system in desertification region and construction method thereof

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Publication number Priority date Publication date Assignee Title
CN1042961A (en) * 1988-11-21 1990-06-13 吴中威 Flood-controlling and soil-conserving irrigation and drainage system
MX2014006907A (en) * 2014-06-09 2015-12-09 Univ Autónoma Chapingo Equipment for applying drip irrigation with accuracy without the air stored inside the hydraulic system.
CN205727440U (en) * 2016-05-10 2016-11-30 中铁第一勘察设计院集团有限公司 Infiltrating irrigation system under a kind of drought and water-scarce area railway sand prevention reproducing area

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1042961A (en) * 1988-11-21 1990-06-13 吴中威 Flood-controlling and soil-conserving irrigation and drainage system
MX2014006907A (en) * 2014-06-09 2015-12-09 Univ Autónoma Chapingo Equipment for applying drip irrigation with accuracy without the air stored inside the hydraulic system.
CN205727440U (en) * 2016-05-10 2016-11-30 中铁第一勘察设计院集团有限公司 Infiltrating irrigation system under a kind of drought and water-scarce area railway sand prevention reproducing area

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