WO2018221155A1 - Dispositif d'irrigation souterrain - Google Patents

Dispositif d'irrigation souterrain Download PDF

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Publication number
WO2018221155A1
WO2018221155A1 PCT/JP2018/018189 JP2018018189W WO2018221155A1 WO 2018221155 A1 WO2018221155 A1 WO 2018221155A1 JP 2018018189 W JP2018018189 W JP 2018018189W WO 2018221155 A1 WO2018221155 A1 WO 2018221155A1
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WO
WIPO (PCT)
Prior art keywords
water
irrigation
pipe
water supply
pipes
Prior art date
Application number
PCT/JP2018/018189
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English (en)
Japanese (ja)
Inventor
憲一 塚本
洋史 浦部
Original Assignee
デンカ株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by デンカ株式会社 filed Critical デンカ株式会社
Priority to JP2019522070A priority Critical patent/JP7085542B2/ja
Publication of WO2018221155A1 publication Critical patent/WO2018221155A1/fr

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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
    • 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
    • A01G25/06—Watering arrangements making use of perforated pipe-lines located in the soil
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B13/00—Irrigation ditches, i.e. gravity flow, open channel water distribution systems
    • E02B13/02—Closures for irrigation conduits

Definitions

  • the present invention relates to an underground irrigation apparatus.
  • Underground irrigation that is being carried out in recent years is to replenish water by capillary action by adjusting the groundwater level of the field at the time of field cultivation, and by adjusting the groundwater level to a water level suitable for crops, etc. An effect can be obtained.
  • underground irrigation underground drainage pipes consisting of perforated pipes are buried in the ground of the field, and excess underground water in the ground is discharged into the drainage channel, and supply of insufficient water is also performed using the underground drainage pipes. Is common (see, for example, Patent Document 1).
  • water supply to the farm is generally performed by forced pumping by a pipeline or by natural pumping from an open channel (for example, see Non-Patent Documents 1 and 2).
  • a water supply pipe is arranged below the water supply, bent by an elbow, branched by a T-shaped pipe, and irrigation water is supplied to each underdrain pipe. Supply. Therefore, the supply resistance of the irrigation water to the underdrain pipe increases as the distance of the underdrain pipe increases from the water supply.
  • FIGS. 7 (a) and 7 (b) An example of a conventional underground irrigation system is shown in FIGS. 7 (a) and 7 (b).
  • a water supply pipe 101 is disposed below the water supply tank 100, the water supply pipe 101 is bent by an elbow 102, and a T-shaped pipe 103 is provided downstream thereof.
  • the example which connects and connects to each culvert tube 104 from there is shown.
  • the supply amount of irrigation water tends to be smaller in the underdrain tube 104 connected to the end portion of the T-shaped tube 103.
  • the present invention provides an apparatus for underground irrigation that can uniformly supply irrigation water to a plurality of culvert pipes embedded in a farm and can suppress uneven rise in groundwater level. To do.
  • the present invention provides a plurality of underdrain pipes by supplying irrigation water to a plurality of underdrain pipes that are branched from a main water supply pipe that supplies the irrigation water and embedded in a field.
  • a device for underground irrigation comprising a water distribution member capable of supplying a plurality of underdrain pipes with the same head pressure is provided.
  • the apparatus for underground irrigation includes a plurality of outlets respectively connected to the plurality of underdrain pipes, and a storage unit that stores irrigation water below the plurality of outlets.
  • the irrigation water stored in the storage part is caused to flow out from the plurality of outlets to the plurality of underdrain pipes by overflow.
  • the underdrain pipe located at the position farthest from the water distribution member is connected to the outlet at the position closest to the main water supply pipe, and is located closest to the water distribution member.
  • a culvert pipe connected to an outlet located farthest from the main water supply pipe.
  • the underground irrigation apparatus according to the present invention is provided such that the center of the plurality of outlets provided in the water distribution member is lower than the center of the inlet of the water distribution member.
  • a main water pipe connected to the downstream side of the water supply, and a plurality of water branches branched on the downstream side of the main water pipe
  • a pipe a plurality of perforated pipes connected to the downstream side of the plurality of water supply branch pipes, a drainage branch pipe connecting the plurality of perforated pipes on the downstream side of the plurality of perforated pipes, and a downstream side of the drainage branch pipe Is connected between the main water supply pipe and the plurality of water supply branch pipes, and is supplied with water from the main water supply pipe.
  • an underground irrigation apparatus including an irrigation water and a water distribution member capable of supplying the stored irrigation water to a plurality of water supply branch pipes with the same head pressure.
  • the water distribution member includes a plurality of outlets respectively connected to the plurality of water supply branch pipes, and a storage part for storing irrigation water below the plurality of outlets.
  • the irrigation water stored in the storage section is caused to flow out from the plurality of outlets to the plurality of water supply branch pipes by overflow.
  • the water supply branch pipe connected to the upstream side of the perforated pipe located farthest from the water distribution member is the flow located closest to the main water supply pipe.
  • a water supply branch pipe connected to the outlet and connected to the upstream side of the perforated pipe located closest to the water distribution member is connected to the outlet located farthest from the main water supply pipe.
  • one perforated pipe is connected to one water supply branch pipe connected to the water distribution member.
  • the underground irrigation apparatus according to the present invention is adjusted so that the diameter of the water supply branch pipe and the diameter of the perforated pipe are the same.
  • the underground irrigation apparatus supplies water, but includes a water supply tank capable of switching between supply of water to the field and supply to the underground irrigation.
  • an irrigation apparatus for underground irrigation that can uniformly supply irrigation water to a plurality of culvert pipes embedded in a field, and can suppress uneven rise in groundwater level.
  • FIG.1 (a) shows a schematic plan view
  • FIG.1 (b) shows a schematic sectional drawing.
  • FIG.7 (a) is a schematic plan view
  • FIG.7 (b) shows a schematic sectional drawing.
  • the underground irrigation apparatus branches from a main water supply pipe 2 that supplies irrigation water and is embedded in a field 11.
  • This is an underground irrigation device that can supply irrigation water to the field 11 through the plurality of culvert tubes 10 by supplying irrigation water to the plurality of culvert tubes 10.
  • a water supply 1 for supplying irrigation water to the main water supply pipe 2 is connected to the upstream side of the main water supply pipe 2.
  • a water distribution member 3 for supplying irrigation water from the main water supply pipe 2 to the plurality of underdrain pipes 10 is connected between the main water supply pipe 2 and the plurality of underdrain pipes 10.
  • the water distribution member 3 is made of a highly corrosion-resistant material such as synthetic resin or stainless steel, and has a storage portion 32 for storing irrigation water supplied from the main water supply pipe 2 at the bottom, and the irrigation water stored in the storage portion 32. Can be supplied to a plurality of culvert tubes 10 with the same water head pressure.
  • the water distribution member 3 can include a plurality of outlets 31a, 31b, and 31c connected to the plurality of underdrain pipes 10, respectively.
  • outlets 31 a, 31 b, 31 c, 31 d, 31 e, and 31 f are horizontally provided at approximately the same height at six places on both side portions of the water distribution member 3.
  • the number of outflow ports 31a, 31b, 31c, 31d, 31e, 31f is not particularly limited, and for example, 3 to 12, preferably 4 to 8, can be provided.
  • the center heights of the plurality of outlets 31a, 31b, 31c, 31d, 31e, 31f provided in the water distribution member 3 are provided so as to be lower than the center height of the inlet 20 of the water distribution member 3, respectively.
  • a center line (AA line in FIG. 3) defined to be a horizontal line passing through the centers of the plurality of outlets 31a, 31b, 31c is distributed from the main water supply pipe 2 to the water distribution member. 3 is provided so that its position is lower than the center of the inlet 20 (line BB in FIG. 3). Thereby, it becomes easy to supply irrigation water from the main water supply pipe 2 to the outflow ports 31a, 31b, 31c, 31d, 31e, and 31f of the water distribution member 3.
  • the water distribution member 3 receives the irrigation water stored in the storage unit 32 that temporarily stores the irrigation water supplied from the main water supply pipe 2 below the plurality of outlets 31a, 31b, 31c, 31d, 31e, and 31f.
  • the plurality of outlets 31a, 31b, 31c, 31d, 31e, 31f are allowed to flow out to the plurality of underdrain pipes 10 by overflow.
  • the irrigation water stored in the storage part 32 By supplying the irrigation water stored in the storage part 32 by overflow from a plurality of outlets 31a, 31b, 31c, 31d, 31e, 31f arranged at substantially the same height (depth in the ground), The head pressure of the irrigation water flowing out from the outlets 31a, 31b, 31c, 31d, 31e, 31f is the same. Thereby, regardless of the distance from the water distribution member 3 of the underdrain pipe 10, the supply resistance of the irrigation water can be made uniform among the plurality of underdrain pipes 10. That is, according to this embodiment, it is possible to uniformly supply irrigation water to the plurality of underdrain pipes 10 embedded in the farm field 11, and to suppress uneven rise in the groundwater level.
  • the “underdrain pipe 10” refers to a plurality of water supply branch pipes 4a, 4b, 4c, 4d, 4e, and 4f that branch through the water distribution member 3 on the downstream side of the main water supply pipe 2, and a plurality of water supply A plurality of perforated pipes 5a, 5b, 5c, 5d, 5e, 5f connected to the downstream side of the branch pipes 4a, 4b, 4c, 4d, 4e, 4f, and a plurality of perforated pipes 5a, 5b, 5c, 5d 5e and 5f, and a drainage branch pipe 6 that connects the plurality of perforated pipes 5a, 5b, 5c, 5d, 5e, and 5f.
  • the underdrain pipe generally means the generic name of the pipe buried in the ground, but the underdrain pipe 10 according to the present embodiment includes at least the water supply branch pipes 4a, 4b, 4c, 4d, 4e, and 4f. Perforated pipes 5a, 5b, 5c, 5d, 5e, 5f and drainage branch pipes 6 and, if necessary, pipes or the like buried in the ground are added to these as needed. It may be a concept.
  • a main drain pipe 7 is connected to the downstream side of the drain branch pipe 6, and a water level-adjustable water pipe 8 is connected to the downstream side of the main drain pipe 7.
  • the perforated pipes 5 a and 5 f located farthest from the water distribution member 3 and the water supply branch pipes 4 a and 4 f connected to the perforated pipes 5 a and 5 f are located closest to the main water supply pipe 2.
  • the perforated pipes 5c and 5d connected to the outlets 31a and 31f and located closest to the water distribution member 3 and the water supply branch pipes 4c and 4d connected to the perforated pipes 5c and 5d are the most connected from the main water supply pipe 2. It is connected to the outflow ports 31c and 31d located at far positions.
  • any one of the outlets 31 a, 31 b, 31 c, 31 d, 31 e, 31 f of the underdrain pipe 10 located relatively far from the water distribution member 3 is located relatively close to the main water supply pipe 2 of the water distribution member 3. And connecting the underdrain pipe 10 located relatively close to any of the outlets 31a, 31b, 31c, 31d, 31e, 31f located relatively far from the main water supply pipe 2 of the water distribution member 3 By doing so, it is possible to uniformly supply irrigation water to the plurality of underdrain pipes 10 embedded in the field 11 and to suppress uneven rise in the groundwater level.
  • FIG. 2 an example is shown in which the water distribution member 3 is placed in the center, and the culvert pipe 10 is arranged symmetrically with respect to the water distribution member 3 from there, but as shown in FIG. Of course, it can also be arranged at the end of the field 11.
  • FIGS. 2 and 3 show an example in which one perforated pipe 5a is connected to one water supply branch pipe 4a of the underdrain pipe 10 connected to the water distribution member 3.
  • a plurality of perforated pipes 51c and 52c may be connected to one water supply branch pipe 4c
  • a plurality of perforated pipes 51d and 52d may be connected to one water supply branch pipe 4d.
  • the diameters of the water supply branch pipes 4a, 4b, 4c, 4d, 4e, and 4f need to be substantially the same. Therefore, it is preferable that the diameters of the feed water branch pipes 4a, 4b, 4c, 4d, 4e, and 4f and the bore diameters of the perforated pipes 5a, 5b, 5c, 5d, 5e, and 5f are adjusted to be substantially the same size. More preferably, they are adjusted so as to have completely the same dimensions. Thereby, the water head pressure of each perforated pipe
  • the water supply tank 1 is supplied with a water supply switching function capable of supplying the field 11 to the field and the underground irrigation water to the underdrain pipe of the field 11 by the switching means 93. It is preferable to provide.
  • the water supply tank 1 is buried in the ground from the water supply pipe 91 for supplying water to the paddy field of the field 11 and the paddle water supply pipe 91 for filling the paddy field. 11, an underground irrigation pipe 92 connected to the main water supply pipe 2, and a switching means 93 for switching water supply to the surface water supply pipe 91 and the underground irrigation pipe 92 as necessary.
  • a switching plug as the switching means 93 is connected to the underground irrigation pipe 92 side (see the upper left figure in FIG. 6) to supply water in the water supply 1 Is supplied to Tanabe.
  • a switching plug as a switching means 93 is connected to the rice field water supply pipe 91 to supply water. Is supplied to the underground irrigation pipe 92.
  • the irrigation water supplied from the main water supply pipe 2 is stored, and the distributed irrigation water that can supply the stored irrigation water to the plurality of underdrain pipes 10 with the same head pressure
  • irrigation water can be uniformly supplied to the plurality of underdrain pipes 10 embedded in the field 11, and uneven rise in the groundwater level can be suppressed.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Soil Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Sewage (AREA)

Abstract

L'invention concerne un dispositif d'irrigation souterrain apte à fournir uniformément de l'eau d'irrigation à une pluralité de tuyaux de ponceau enterrés dans un terrain cultivé et à supprimer une élévation irrégulière du niveau d'eau souterraine. Ce dispositif d'irrigation souterrain permet une alimentation en eau d'irrigation au terrain cultivé (11) à travers une pluralité de tuyaux de ponceau (10) en alimentant l'eau d'irrigation à la pluralité de tuyaux de ponceau qui sont enterrés dans le terrain cultivé et à une ramification à partir d'un tuyau d'alimentation en eau principal pour alimenter l'eau d'irrigation. Le dispositif d'irrigation souterrain est pourvu d'un élément de distribution d'eau (3) qui est connecté entre le tuyau d'alimentation en eau principal (2) et la pluralité de tuyaux de ponceau (10), qui stocke l'eau d'irrigation alimentée par le tuyau d'alimentation en eau principal (2), et qui permet d'alimenter l'eau d'irrigation stockée à la pluralité de tuyaux de ponceau (10) à la même pression de tête d'eau.
PCT/JP2018/018189 2017-05-31 2018-05-10 Dispositif d'irrigation souterrain WO2018221155A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2019522070A JP7085542B2 (ja) 2017-05-31 2018-05-10 地下かんがい用装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017108152 2017-05-31
JP2017-108152 2017-05-31

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WO2018221155A1 true WO2018221155A1 (fr) 2018-12-06

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WO (1) WO2018221155A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111316807A (zh) * 2020-04-27 2020-06-23 西北农林科技大学 一种适用于山地果园的水肥一体化滴灌方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05304840A (ja) * 1992-01-28 1993-11-19 Yoshihiro Fujino ハウス栽培の給水方法及び装置
JP3037421U (ja) * 1996-11-01 1997-05-16 正明 宮嶋 暗渠排水用バルブ
US20090052990A1 (en) * 2007-04-23 2009-02-26 Richardson Kenneth O Underground irrigation system
JP2009268410A (ja) * 2008-05-08 2009-11-19 Kubota-Ci Co 配管ユニットおよびそれを用いた地下灌漑用枡システム
JP2013039125A (ja) * 2011-07-21 2013-02-28 Paddy Research Co Ltd 地下灌漑システム
JP2015023810A (ja) * 2013-07-25 2015-02-05 株式会社パディ研究所 給水システムおよびこれを備える地下灌漑システム
JP2016054708A (ja) * 2014-09-11 2016-04-21 積水化学工業株式会社 水位調整機構

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05304840A (ja) * 1992-01-28 1993-11-19 Yoshihiro Fujino ハウス栽培の給水方法及び装置
JP3037421U (ja) * 1996-11-01 1997-05-16 正明 宮嶋 暗渠排水用バルブ
US20090052990A1 (en) * 2007-04-23 2009-02-26 Richardson Kenneth O Underground irrigation system
JP2009268410A (ja) * 2008-05-08 2009-11-19 Kubota-Ci Co 配管ユニットおよびそれを用いた地下灌漑用枡システム
JP2013039125A (ja) * 2011-07-21 2013-02-28 Paddy Research Co Ltd 地下灌漑システム
JP2015023810A (ja) * 2013-07-25 2015-02-05 株式会社パディ研究所 給水システムおよびこれを備える地下灌漑システム
JP2016054708A (ja) * 2014-09-11 2016-04-21 積水化学工業株式会社 水位調整機構

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111316807A (zh) * 2020-04-27 2020-06-23 西北农林科技大学 一种适用于山地果园的水肥一体化滴灌方法

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JP7085542B2 (ja) 2022-06-16

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