CN105941095B - Water circulation oxygenation irrigation method and irrigation system for paddy field - Google Patents
Water circulation oxygenation irrigation method and irrigation system for paddy field Download PDFInfo
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- CN105941095B CN105941095B CN201610521025.5A CN201610521025A CN105941095B CN 105941095 B CN105941095 B CN 105941095B CN 201610521025 A CN201610521025 A CN 201610521025A CN 105941095 B CN105941095 B CN 105941095B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
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Abstract
The invention discloses a paddy field water circulation oxygenation irrigation method and an irrigation system, wherein the irrigation method is characterized in that the irrigation system is adopted to absorb water from a rectangular paddy field and spray the absorbed water into the paddy field from the periphery of the paddy field, so that circulating water flow flowing according to a preset route is formed in the paddy field; the predetermined route is that the water around the paddy field flows to the area near a certain diagonal line of the paddy field, and the water in the area near the diagonal line flows to the corner position of the paddy field corresponding to one end of the diagonal line. The irrigation system comprises a water pump and a plurality of spray heads for spraying water into a rectangular paddy field, wherein the spray heads are arranged around the paddy field at intervals, the inlet of the water pump is positioned at one corner position of the paddy field, and the outlet of the water pump is connected with each spray head through a water pipe. The invention has the advantages of high oxygenation efficiency, capability of obviously improving the utilization rate of pesticide and fertilizer, reducing the dosage of pesticide and fertilizer, improving the yield of rice and the like.
Description
Technical Field
The invention relates to the technical field of farmland irrigation, in particular to a paddy field water circulation oxygenation irrigation method and a paddy field water circulation oxygenation irrigation system.
Background
The oxygen-increasing irrigation is to promote the root system to grow by introducing oxygen to the roots of the crops, and the root system grows and then the crops grow well. The rice growth has great relevance with the environmental conditions, and the yield of the same variety is different under different growth environments. The scientific and reasonable fertilization, cultivation and irrigation modes can effectively improve the rice yield. Scientific research shows that the traditional flood irrigation mode not only wastes water resources, but also inhibits the growth of rice in a certain period of the growth of the rice, thereby causing a waterlogging phenomenon. Therefore, it is necessary to study the growth of rice by irrigation and search for an irrigation method that is beneficial to the growth of rice.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects in the prior art and provides a paddy field water circulation oxygen increasing irrigation method and system which have high oxygen increasing efficiency and can obviously improve the utilization rate of pesticide and fertilizer, reduce the using amount of pesticide and fertilizer and improve the yield of rice.
In order to solve the technical problems, the invention adopts the following technical scheme:
a paddy field water circulation oxygenation irrigation method adopts an irrigation system to absorb water from a rectangular paddy field and spray the absorbed water into the paddy field from the periphery of the paddy field, so as to form a circulating water flow flowing according to a preset route in the paddy field; the preset route is that water around the paddy field flows to the area near a certain diagonal line of the paddy field, and the water in the area near the diagonal line flows to the corner position of the paddy field corresponding to one end of the diagonal line.
The irrigation system for the paddy field water circulation oxygen-increasing irrigation method comprises a water pump and a plurality of spray heads for spraying water into the rectangular paddy field, wherein the plurality of spray heads are arranged around the paddy field at intervals, the inlet of the water pump is positioned at one corner of the paddy field, and the outlet of the water pump is connected with each spray head through a water pipe.
In the irrigation system, preferably, the water pump is disposed in the paddy field at a corner of the inlet.
In the irrigation system, preferably, the water pipe comprises two L-shaped branch pipes arranged along the ridge of the paddy field, one ends of the two L-shaped branch pipes are communicated with the inlet of the water pump through a three-way joint, the other ends of the two L-shaped branch pipes are closed and positioned at the other corner of the paddy field, and the corner of the inlet of the water pump and the corner of the closed end of the L-shaped branch pipes are diagonally positioned; the plurality of spray heads are arranged on the two L-shaped branch pipes.
In the irrigation system, preferably, the included angle between the spraying direction of each spray head and the direction vertical to the ridge ranges from-45 degrees to alpha to +45 degrees.
In the irrigation system, preferably, the inlet of the water pump is flared.
In the irrigation system, preferably, the water pump is a booster pump.
Preferably, the irrigation system further comprises a solar power supply device for supplying power to the water pump.
In the irrigation system, preferably, the solar power supply device includes a rack, and a solar panel, a controller and an inverter mounted on the rack.
Compared with the prior art, the invention has the advantages that: according to the paddy field water circulation oxygen-increasing irrigation method, the irrigation system is adopted to form the circulation water flow flowing according to the preset route in the paddy field, so that the water around the paddy field flows to the area near a certain diagonal line of the paddy field, the water near the diagonal line flows to the corner position of the paddy field corresponding to one end of the diagonal line, the coverage area of the circulation water flow is large, the flow speed is high, most of water in the field can flow, the oxygen-increasing effect is good, the utilization rate of pesticide and fertilizer can be obviously improved, the using amount of the pesticide and fertilizer is reduced, and the yield of paddy rice is improved. The water field water circulation oxygenation irrigation system can form the circulating water flow flowing according to the preset route, and has the advantages of simple structure, easiness in implementation and better application prospect.
Through tests, the water circulation oxygen-increasing irrigation method and the irrigation system for the paddy field can increase the oxygen content of water in the paddy field by 3-4 mg per liter, improve the utilization rate of a chemical fertilizer by more than 4 percent and improve the yield of rice by 5 percent.
Drawings
FIG. 1 is a schematic view of a paddy field water circulation oxygen-increasing irrigation system.
Fig. 2 is a schematic view of the solar power supply device installed on one side of a paddy field.
Illustration of the drawings:
1. a water pump; 2. a water pipe; 21. an L-shaped branch pipe; 3. a spray head; 4. a three-way joint; 5. a bell mouth joint; 6. a frame; 7. a solar panel; 8. a controller; 9. an inverter; 100. a paddy field.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples.
The paddy field water circulation oxygen-increasing irrigation method of the embodiment is that an irrigation system is adopted to absorb water from a rectangular paddy field 100 and spray the absorbed water into the paddy field 100 from the periphery of the paddy field 100, so that a circulation water flow flowing according to a preset route is formed in the paddy field 100; as shown in FIG. 1, the predetermined path is such that water around the paddy field 100 flows toward a region near a diagonal line of the paddy field 100, and water in the region near the diagonal line flows toward a corner of the paddy field 100 corresponding to one end of the diagonal line. The circulating water flow formed by the irrigation method has large coverage area and high flow speed, can make most of water in the field flow, has good oxygenation effect, can obviously improve the utilization rate of pesticide and fertilizer, reduces the dosage of pesticide and fertilizer, and improves the yield of rice.
As shown in figure 1, the paddy field water circulation oxygenation irrigation system of this embodiment includes water pump 1 and a plurality of shower nozzle 3 that are arranged in to paddy field 100 water spray, and a plurality of shower nozzles 3 interval settings are around paddy field 100, and the import of water pump 1 is located a bight position department in paddy field 100, and the export of water pump 1 leads to pipe 2 and each shower nozzle 3 intercommunication. When the water pump 1 works, the water pump 1 sucks low-pressure water in an oblique diagonal P2 area in a field, boosts the pressure, and then sprays the water to the field through the water pipe 2 and the spray head 3, a certain pressure difference is formed between a high water pressure area P1 around the paddy field 100 and the oblique diagonal low water pressure area P2 of the paddy field 100, and accordingly circulating water flow in the direction shown by arrows in figure 1 is formed. The irrigation system is simple in structure, easy to implement and good in application prospect.
In this embodiment, water pump 1 sets up the bight position department in the paddy field 100 at its import place, so not only easy to assemble, and can reduce the shared space of water pump 1.
In the embodiment, the water pipe 2 comprises two L-shaped branch pipes 21 arranged along the ridge of the paddy field 100, one ends of the two L-shaped branch pipes 21 are positioned at the corner position where the inlet of the water pump 1 is positioned and communicated with the inlet of the water pump 1 through a three-way joint 4, the other ends of the two L-shaped branch pipes 21 are closed and positioned at the other corner position of the paddy field 100, and the corner position where the inlet of the water pump 1 is positioned and the corner position where the closed end of the L-shaped branch pipe 21 is positioned are diagonally opposite; a plurality of spray heads 3 are arranged on two L-shaped branch pipes 21, and when each spray head 3 is arranged, an orifice is arranged on each L-shaped branch pipe 21, and the spray heads 3 are glued in the orifices. Each L-shaped branch pipe 21 is fixedly mounted on the ridge through a plurality of fixing devices, and the fixing devices can adopt existing components such as pipe clamps and the like.
In the embodiment, the included angle between the spraying direction of each spray head 3 and the direction vertical to the ridge ranges from minus 45 degrees to alpha being less than or equal to plus 45 degrees, namely the included angle alpha between the central axis of each spray head 3 and the direction vertical to the ridge ranges from minus 45 degrees to alpha being less than or equal to plus 45 degrees, so that the resultant force of the water flow sprayed by each spray head 3 is favorable for forming the circulating water flow shown by the arrow in figure 1. During actual installation, the installation positions of the spray heads 3 are different, and the value of alpha is changed; the more the spray heads 3 are, the larger the water flow coverage area is, the better the oxygenation effect is, but the power consumption is increased, all the influence factors can be comprehensively considered, and the number of the spray heads 3 can be adjusted according to the requirement.
In this embodiment, the water pump 1 is a booster pump. The inlet of the water pump 1 is flared and may be formed by connecting a flare fitting 5 to the water pump 1. The trumpet-shaped inlet can reduce resistance of a water flow inlet, so that the water flow inlet is smooth, the flow speed is accelerated, and the power consumption is reduced.
In this embodiment, as shown in fig. 2, the water circulation, oxygenation and irrigation system for paddy fields further comprises a solar power supply device for supplying power to the water pump 1, and when the sun exists, the solar power supply device is used for supplying power to the water pump 1, so that energy can be saved. This solar power supply unit can refer to prior art setting, and it includes frame 6, solar cell panel 7, controller 8 and dc-to-ac converter 9, and wherein, solar cell panel 7 installs at the top of frame 6, and controller 8 and dc-to-ac converter 9 are installed in the box of the two doors of area of locating frame 6 middle part.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-described embodiments. Modifications and variations that may occur to those skilled in the art without departing from the spirit and scope of the invention are to be considered as within the scope of the invention.
Claims (6)
1. A water circulation oxygenation irrigation method for a paddy field is characterized in that: absorbing water from a rectangular paddy field (100) by using an irrigation system and spraying the absorbed water into the paddy field (100) from the periphery of the paddy field (100) to form a circulating water flow flowing according to a preset route in the paddy field (100); the preset route is that water around the paddy field (100) flows to the area near a certain diagonal line of the paddy field (100), and the water in the area near the diagonal line flows to the corner position of the paddy field (100) corresponding to one end of the diagonal line;
the irrigation system comprises a water pump (1) and a plurality of spray heads (3) for spraying water into a rectangular paddy field (100), the spray heads (3) are arranged around the paddy field (100) at intervals, an inlet of the water pump (1) is positioned at one corner of the paddy field (100), and an outlet of the water pump (1) is connected with each spray head (3) through a water pipe (2);
the water pump (1) is arranged in the paddy field (100) and is positioned at the corner position where the inlet of the water pump is positioned;
the water pipe (2) comprises two L-shaped branch pipes (21) arranged along ridges of the paddy field (100), one ends of the two L-shaped branch pipes (21) are communicated with an outlet of the water pump (1) through a three-way joint (4), the other ends of the two L-shaped branch pipes (21) are sealed and are located at the other corner position of the paddy field (100), the corner position of an inlet of the water pump (1) and the corner position of a closed end of the L-shaped branch pipe (21) are oblique opposite angles, and a plurality of spray heads (3) are arranged on the two L-shaped branch pipes (21).
2. The paddy water circulating oxygen-increasing irrigation method according to claim 1, characterized in that: the included angle between the spraying direction of each spray head (3) and the direction vertical to the ridge is between minus 45 degrees and alpha and plus 45 degrees.
3. The paddy water circulating oxygen-increasing irrigation method according to claim 1, characterized in that: the inlet of the water pump (1) is in a horn shape.
4. The paddy water circulating oxygen-increasing irrigation method according to claim 1, characterized in that: the water pump (1) is a booster pump.
5. The paddy water circulating oxygen-increasing irrigation method according to any one of claims 1 to 4, characterized in that: the paddy water circulation oxygenation irrigation system also comprises a solar power supply device for supplying power to the water pump (1).
6. The paddy water circulating oxygen-increasing irrigation method according to claim 5, characterized in that: the solar power supply device comprises a rack (6), and a solar panel (7), a controller (8) and an inverter (9) which are arranged on the rack (6).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610521025.5A CN105941095B (en) | 2016-07-05 | 2016-07-05 | Water circulation oxygenation irrigation method and irrigation system for paddy field |
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| CN201610521025.5A CN105941095B (en) | 2016-07-05 | 2016-07-05 | Water circulation oxygenation irrigation method and irrigation system for paddy field |
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| CN105941095A CN105941095A (en) | 2016-09-21 |
| CN105941095B true CN105941095B (en) | 2022-08-02 |
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| CN110384001B (en) * | 2019-08-13 | 2021-10-08 | 广西壮族自治区农业科学院 | Method and system for reducing farmland greenhouse gas emission |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2308252Y (en) * | 1997-07-04 | 1999-02-24 | 中山市小榄镇振华电器实业公司 | Aquarium filter having aerating for increasing oxygen |
| CN201115378Y (en) * | 2007-08-23 | 2008-09-17 | 马卫东 | Pipeline water conveyance type oxygenation equipment |
| CN201509505U (en) * | 2009-06-23 | 2010-06-23 | 林智勇 | Jet type aeration device |
| CN102812885A (en) * | 2012-09-05 | 2012-12-12 | 湖南农业大学 | Sleeve type crop oxygenation irrigation system |
| CN202954402U (en) * | 2012-11-18 | 2013-05-29 | 田树成 | Assembled type water storage pond |
| CN103270918B (en) * | 2013-05-10 | 2014-11-05 | 常熟市银湖生态农业有限公司 | Rice and shrimp joint culturing ecological breeding system and method |
| CN103348890B (en) * | 2013-07-29 | 2015-06-17 | 湖北省水产技术推广中心 | Method for comprehensively raising various types of aquatic livestock and cultivating paddy in paddy field |
| CN103947494B (en) * | 2014-05-05 | 2015-10-28 | 中国水稻研究所 | Gleying rice field oxygenation irrigation and drainage cultivation |
| CN203912783U (en) * | 2014-05-15 | 2014-11-05 | 黄晶 | A kind of water level in paddy field regulation and control system |
| CN104591395B (en) * | 2015-01-27 | 2016-06-29 | 河海大学 | Plains region fills the water saving of row's coupling Ecological Irrigation District water circulation use and subtracts dirty method |
| CN204968970U (en) * | 2015-09-16 | 2016-01-20 | 江南大学 | Ecosystem flowerpot fish bowl with automatic feeding is eaten and oxygenation function |
| CN105123600A (en) * | 2015-09-25 | 2015-12-09 | 中国水产科学研究院淡水渔业研究中心 | Vertically circulating oxygenation device for pond |
| CN105454145B (en) * | 2015-12-07 | 2018-02-27 | 福建渔家傲养殖科技有限公司 | Integrated system and its round-robin method with oxygenation, heating and water circulation function |
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