CN102301940B - Cyclic aeration subsurface oxygen irrigation system - Google Patents
Cyclic aeration subsurface oxygen irrigation system Download PDFInfo
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- CN102301940B CN102301940B CN201110226917A CN201110226917A CN102301940B CN 102301940 B CN102301940 B CN 102301940B CN 201110226917 A CN201110226917 A CN 201110226917A CN 201110226917 A CN201110226917 A CN 201110226917A CN 102301940 B CN102301940 B CN 102301940B
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- water
- aeration
- control valve
- storing tank
- cyclic
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- 238000005273 aeration Methods 0.000 title claims abstract description 63
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 239000001301 oxygen Substances 0.000 title claims abstract description 32
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 32
- 125000004122 cyclic group Chemical group 0.000 title claims abstract description 24
- 238000003973 irrigation Methods 0.000 title abstract description 34
- 230000002262 irrigation Effects 0.000 title abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 108
- 239000002689 soil Substances 0.000 claims abstract description 12
- 230000000740 bleeding effect Effects 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000003337 fertilizer Substances 0.000 abstract description 9
- 239000007789 gas Substances 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000007726 management method Methods 0.000 abstract description 2
- 241000196324 Embryophyta Species 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 6
- 210000003608 fece Anatomy 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000010871 livestock manure Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000001052 transient effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 244000037666 field crops Species 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000009332 manuring Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007102 metabolic function Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004202 respiratory function Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The invention discloses a cyclic aeration subsurface oxygen irrigation system. The system comprises a main water delivery pipe (6), wherein, one end of the main water delivery pipe (6) is communicated with a water source, the main water delivery pipe (6) is communicated with an aeration water storage tank (1) provided with an exhaust valve (2) in parallel through a first three-way joint (7) and a second three-way joint (8), and the other end of the main water delivery pipe (6) is communicated with each water irrigation tubular billet (5) buried in soil. The cyclic aeration subsurface oxygen irrigation system is characterized in that the exterior of the aeration water storage tank (1) is connected with a venturi ejector (3) and a booster pump (4); a first water flow control valve (9) is arranged between the aeration water storage tank (1) and the three-way joint (7); a second water flow control valve (10) is arranged between the aeration water storage tank (1) and the three-way joint (8); and a third water flow control valve (11) is arranged between the three-way joint (7) and the three-way joint (8). The cyclic aeration subsurface oxygen irrigation system disclosed by the invention has the advantages of simple structure, low cost, less energy loss, cyclic aeration function and wide range of aeration ratio, and is convenient for use and management as well as maintenance and is labour-saving; and meanwhile fertilizer can be dissolved in water, and fertilizer, water and gas can be irrigated at the same time, thus utilization ratio of fertilizer can be improved, and pollution to soil and underground water can be reduced.
Description
Technical field
The present invention relates to agricultural irrigation technology, is the underground oxygen fill system of a kind of cyclic aeration specifically.
Background technology
Underground drip irrigation is one of the most advanced at present irrigation technique, yet the same with other irrigation techniques, the process that underground drip irrigation moisture soaks into soil promptly is the process of liquid phase displacement gas phase, thereby can tangible anaerobic environment occur in the irrigation humidification zones.How effectively to improve the gas permeability in the humid region, be one of settled key issue to be solved in the underground drip irrigation technique development.In order to address this problem, the foreign study personnel utilize underground drip irrigation system to be transported to crop root zone to aerated water to come irrigated crop, and this novel irrigation technique is exactly that the underground oxygen that rises is recently irritated (Subsurface Oxygation).Underground oxygen is filled in and is called as aeration underground drip irrigation (Aeration Subsurface Drip Irrigation), oxygen filling (Oxygation) or gas injection irrigation (AirJection Irrigation) abroad; Utilize underground drip irrigation system to be transported to the plant roots district to aerated water or aeration liquid manure fluid-mixing; Can effectively improve water, fertilizer, gas, the thermal environment of plant rhizosphere; Keep root system normal metabolic and respiratory function; Promote and coordinate plant on the ground with the growing of under ground portion, be a kind of water saving, economize fertilizer, novel irrigation technique efficiently.Underground oxygen is irritated the temporary transient anoxic problem of root system of plant that common underground drip irrigation causes that solved when irrigating, possess again simultaneously underground drip irrigation intrinsic all advantages, for excavating the plant production potentiality new selection is provided.Consider that underground drip irrigation application and area constantly enlarge, and the venturi syringe can transform underground oxygen fill system as in the connection of common underground drip irrigation system, thereby underground oxygen irritates practical.
Along with becoming better and approaching perfection day by day and large scale application of underground drip irrigation technique, the temporary transient anoxic problem of root system of plant that common underground drip irrigation causes when irrigating has influenced the ventilation environment of land for growing field crops root region soil.Utilize underground drip irrigation system to be transported to the plant roots district to aerated water or aeration liquid manure fluid-mixing, can effectively improve water, fertilizer, gas, the thermal environment of plant rhizosphere, reach and improve the liquid manure utilization ratio, increase economic flow rate and improve the purpose of gathering in the crops quality.How being incorporated into air equably in the middle of the water of droping irrigating pipe system with the form of micro-bubble, is concerning this method key of success problem.If the air that mixes evenly mixes with water, perhaps form big bubble, the phenomenon of aqueous vapor layering all might appear in the middle of pipeline transportation, and influence air and enter into the central uniformity of soil, the situation that air is difficult to get into soil perhaps appears.The external at present Mazzei venturi syringe of Mazzei Injector company production that adopts is accomplished mixing of air more; The operation principle of Mazzei venturi syringe is the same with common venturi, follows Bernoulli's theorem: when the current of certain pressure when the venturi water inlet enters into venturi cause water velocity to become big because throat radius diminishes; The corresponding reduction of the pressure of water; When pressure was lower than external atmosphere pressure, air will be sucked into through air inlet and is incorporated in the middle of the current, when gas-vapor mix body at a high speed when throat flows to the venturi port of export; Because becoming, the pipeline radius cause flow rate of water flow to reduce greatly; Kinetic energy is converted into potential energy increases pressure, continue to flow into trunk line with the form of pressure flow body, through after defeated the moving after water dropper go into to be seeped in the middle of the soil.Mazzei venturi syringe is a kind of patented product; Be that with common venturi syringe difference there is a miniature wing wheel at its air intake place; When air through the time cause that wing wheel rotates and cause the air fragmentation; Be evenly distributed in the pipeline and make the air that gets in the water form microbubble, the situation of aqueous vapor layering can not occur or produce air pocket, keep the steady of pipeline fluid movement and pressure.But the expensive of Mazzei venturi syringe is considered the cost of equipment and the loss of energy, and the ratio of its aeration (volume ratio of aqueous vapor in the pipeline) is limited, maintains about 12%.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned prior art; And provide a kind of cyclic aeration underground oxygen fill system, mainly solved the temporary transient anoxic of root system of plant that existing common underground drip irrigation causes and adopt Mazzei venturi syringe to come air to mix problems such as ratio is limited when irrigating.
In order to achieve the above object; The present invention is achieved in that the underground oxygen fill system of a kind of cyclic aeration, and it comprises delivery main, and delivery main one end and water source are connected; And through first threeway and second threeway and parallelly connected being connected of aeration water storing tank that has air bleeding valve; The other end of delivery main each water capillary tube central with being embedded in soil is connected, and its special character is to be externally connected to venturi ejector and booster pump at the aeration water storing tank, establishes first water control valve between the aeration water storing tank and first threeway; Between the aeration water storing tank and second threeway, establish second water control valve, establish the 3rd water control valve between first threeway and second threeway.
The underground oxygen fill system of a kind of cyclic aeration of the present invention; Its described booster pump is connected with the venturi ejector; And be connected with the aeration water storing tank through tube connector, the branch road water (flow) direction that booster pump and venturi ejector form is for to flow to the venturi ejector by booster pump.
The underground oxygen fill system of a kind of cyclic aeration of the present invention, its described air bleeding valve is positioned at the apical position of aeration water storing tank, the eliminating of air when being beneficial to the water inlet of aeration water storing tank.
The underground oxygen fill system of a kind of cyclic aeration of the present invention; Through control to each water control valve and booster pump and venturi ejector; Can realize the fluid in the aeration water storing tank is carried out the function of cyclic aeration; And the liquids and gases flow of adjustment entering aeration water storing tank and the ratio between the two, to reach the ratio that improves and control the shared volume of air in the aeration water storing tank.
The underground oxygen fill system of a kind of cyclic aeration of the present invention through the control to each water control valve, can be realized two kinds of functions of common underground drip irrigation and underground oxygen filling; Described first, second and third water control valve can be precise and stable the control fluid flow, also fully valve-off to make flow be zero; When first water control valve, second water control valve are all opened, during the booster pump operate as normal, native system can carry out underground oxygen and irritates under normal water conditions; All close and the 3rd water control valve when opening when first water control valve, second water control valve, native system can carry out common underground drip irrigation under normal water conditions.
Compared with present technology the underground oxygen fill system of a kind of cyclic aeration of the present invention has outstanding substantive distinguishing features and marked improvement: 1, mixing through the venturi ejector of air accomplished; Guarantee that air is incorporated in the middle of the water with the form of microbubble equably, along with current are transported in the plant root region soil equably; 2, regulate the air incorporation through the form control of combined water control valve simultaneously of cyclic aeration; The air mixed ratio haves a wide reach and regulates flexible; Can confirm the conditions of demand of oxygen in various seasons according to crop root, to satisfy the oxygen demand of crop; 3, native system diverse in function, when first water control valve, second water control valve are all opened, during the booster pump operate as normal, native system can carry out underground oxygen and irritates under normal water conditions; All close and the 3rd water control valve when opening when first water control valve, second water control valve, native system can carry out common underground drip irrigation under normal water conditions; 4, be transported to the plant roots district to aerated water or aeration liquid manure mixing material, can effectively improve water, fertilizer, gas, the thermal environment of plant rhizosphere, be a kind of water saving, economize fertile, novel irrigation technique efficiently; 5, this system architecture is simple, and cost is low, and energy loss is little, and the aeration ratio is controlled, and use and management and maintenance are convenient, practices thrift the labour, simultaneously can fertilizer is water-soluble, carry out manuring irrigation, and improve the utilization ratio of fertilizer, minimizing is to soil and phreatic pollution.
Description of drawings:
Fig. 1 is a structural representation of the present invention.
Embodiment:
In order to understand better and to implement, provide specific embodiment below in conjunction with accompanying drawing and specify the underground oxygen fill system of a kind of cyclic aeration of the present invention.
The underground oxygen fill system of a kind of cyclic aeration of the present invention; During use; Through control to each water control valve and booster pump and venturi ejector; Can realize the fluid in the aeration water storing tank is carried out the function of cyclic aeration, adjustment gets into the liquids and gases flow of aeration water storing tank and the ratio between the two, can reach the ratio that improves and control the shared volume of air in the aeration water storing tank; When first water control valve, second water control valve are all opened, during the booster pump operate as normal, native system can carry out underground oxygen and irritates under normal water conditions; All close and the 3rd water control valve when opening when first water control valve, second water control valve, native system can carry out common underground drip irrigation under normal water conditions.
Claims (4)
1. underground oxygen fill system of cyclic aeration; It comprises delivery main (6); Delivery main (6) one ends and water source are connected; Delivery main (6) is through first threeway (7) and second threeway (8) and parallelly connected being connected of aeration water storing tank (1) that has air bleeding valve (2); The other end of delivery main (6) each water capillary tube (5) central with being embedded in soil is connected, and it is characterized in that being externally connected to venturi ejector (3) and booster pump (4) at aeration water storing tank (1), establishes first water control valve (9) between aeration water storing tank (1) and first threeway (7); Establish second water control valve (10) between aeration water storing tank (1) and second threeway (8), establish the 3rd water control valve (11) between first threeway (7) and second threeway (8).
2. the underground oxygen fill system of a kind of cyclic aeration according to claim 1 is characterized in that described booster pump (4) connects with venturi ejector (3), and is connected with aeration water storing tank (1) through tube connector.
3. the underground oxygen fill system of a kind of cyclic aeration according to claim 1, the branch road water (flow) direction that it is characterized in that the formation of booster pump (4) and venturi ejector (3) is for to flow to venturi ejector (3) by booster pump (4).
4. the underground oxygen fill system of a kind of cyclic aeration according to claim 1 is characterized in that described air bleeding valve (2) is positioned at the apical position of aeration water storing tank (1), the eliminating of air when being beneficial to aeration water storing tank (1) water inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110226917A CN102301940B (en) | 2011-08-09 | 2011-08-09 | Cyclic aeration subsurface oxygen irrigation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110226917A CN102301940B (en) | 2011-08-09 | 2011-08-09 | Cyclic aeration subsurface oxygen irrigation system |
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| Publication Number | Publication Date |
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| CN102301940A CN102301940A (en) | 2012-01-04 |
| CN102301940B true CN102301940B (en) | 2012-09-05 |
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| CN201110226917A Expired - Fee Related CN102301940B (en) | 2011-08-09 | 2011-08-09 | Cyclic aeration subsurface oxygen irrigation system |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102668947B (en) * | 2012-05-10 | 2015-01-07 | 鲁东大学 | Water-air coupled high-efficient irrigation system |
| CN102812885A (en) * | 2012-09-05 | 2012-12-12 | 湖南农业大学 | Sleeve type crop oxygenation irrigation system |
| CN103053383A (en) * | 2013-01-04 | 2013-04-24 | 张振华 | Water-air coupling drip irrigation system |
| CN107466573B (en) * | 2017-09-14 | 2021-05-25 | 华北水利水电大学 | Water, fertilizer, gas and heat integrated drip irrigation intelligent control device and control method |
| CN108156922B (en) * | 2018-01-12 | 2023-07-18 | 中国农业科学院农田灌溉研究所 | Identification method and identification system for suitability of crop aerated irrigation |
| CN109479588A (en) * | 2019-01-05 | 2019-03-19 | 安徽泓森高科林业股份有限公司 | A kind of production method for botanical seedling culturing oxygenation seedbed |
| CN111066439B (en) * | 2019-12-31 | 2024-04-26 | 石河子大学 | Water, fertilizer, gas and heat integrated irrigation system |
| CN112889448B (en) * | 2021-04-02 | 2024-09-03 | 西北农林科技大学 | Water and fertilizer machine based on pipe network terminal information active regulation and control and application method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2439380A (en) * | 2006-06-19 | 2007-12-27 | Stephen Barry Priest | Aeration apparatus |
| CN101663983A (en) * | 2009-09-30 | 2010-03-10 | 鲁东大学 | Aeration underground drip irrigation system |
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- 2011-08-09 CN CN201110226917A patent/CN102301940B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2439380A (en) * | 2006-06-19 | 2007-12-27 | Stephen Barry Priest | Aeration apparatus |
| CN101663983A (en) * | 2009-09-30 | 2010-03-10 | 鲁东大学 | Aeration underground drip irrigation system |
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| CN102301940A (en) | 2012-01-04 |
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