CN1520717A - Systems of subirrigation - Google Patents
Systems of subirrigation Download PDFInfo
- Publication number
- CN1520717A CN1520717A CNA2003101195403A CN200310119540A CN1520717A CN 1520717 A CN1520717 A CN 1520717A CN A2003101195403 A CNA2003101195403 A CN A2003101195403A CN 200310119540 A CN200310119540 A CN 200310119540A CN 1520717 A CN1520717 A CN 1520717A
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- water
- pipe
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- perforated pipe
- water level
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 112
- 238000003973 irrigation Methods 0.000 claims abstract description 12
- 230000002262 irrigation Effects 0.000 claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims abstract description 10
- 239000003673 groundwater Substances 0.000 claims description 27
- 239000003657 drainage water Substances 0.000 abstract 1
- 239000004576 sand Substances 0.000 description 16
- 238000004062 sedimentation Methods 0.000 description 5
- 239000003905 agrochemical Substances 0.000 description 4
- 239000003337 fertilizer Substances 0.000 description 4
- 239000003643 water by type Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
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Abstract
This underground irrigation system comprises the following steps: embedding a porous pipe 22 into the ground of the fields (cultivation areas 13), setting up a water level setting tool 31 on the lower-stream side of the porous pipe, regulating a drainage water level by the water level setting tool to set the water level of the field, embedding an underground water supply pipe 41 for supplying water for use from a water supply channel 14 into the ground of the field, connecting the underground water supply pipe 41 with the porous pipe 22 at the drainage side of the porous pipe to supply the water for use from the underground water supply pipe to the porous pipe.
Description
Technical field
The present invention relates to a kind of subirrigation system, in detail, is about setting the subterranean water level in field or the subirrigation system of face of land water level by regulating from the discharge level that is embedded in underground perforated pipe.
Background technology
The subsurface irrigation that continues to carry out in recent years is the subterranean water level in field when regulating cultivation, keeps the skin wet by capillarity, by subterranean water level being adjusted to the effect that the water level that is suitable for crops obtains to improve harvest yield etc.This subsurface irrigation is normally buried the pipe that underdrains that is made of perforated pipe underground in the ground in field, residue underground water in the ground is discharged in the drainage channel, also utilize the pipe that underdrains to carry out replenish (for example, with reference to special the 2nd page and Fig. 1, Fig. 2 that opens flat 10-155375 communique) of not enough water simultaneously.
In above-mentioned subsurface irrigation, the water level in field will and be planted the different of rice according to cultivation, the upgrowth situation of crops, and various conditions such as the geology in field are suitably set, and, also the outflow of fertilizer or agricultural chemicals to be suppressed at Min..In addition, when containing foreign matter such as a large amount of rubbish or sand in the water of being supplied, these foreign matters also might be put aside in the pipe that underdrains and obstruction water flowing performance.
The object of the present invention is to provide a kind of subirrigation system, fertilizer or agricultural chemicals can be suppressed at Min. from the outflow in field, carry out and the corresponding suitable irrigation of various conditions, suppress savings such as sand simultaneously in the pipe (perforated pipe) that underdrains.
Summary of the invention
Subirrigation system of the present invention is to bury perforated pipe underground in the ground in field, simultaneously on one side of the downstream of this perforated pipe, the water level settings device is set, by regulating the subirrigation system that discharge level is set the water level in field with this water level settings device, it is characterized in that, in the ground in field, bury underground and be used for confessing in the future the groundwater supply pipe of the water of water passage, this groundwater supply pipe and above-mentioned perforated pipe are coupled together in draining one side of this perforated pipe to the field supply.
In addition, in the present invention, its feature is respectively, tubular its end that becomes of above-mentioned groundwater supply can be opened in drainage channel one side, above-mentioned groundwater supply pipe is embedded in the position darker than above-mentioned perforated pipe, above-mentioned groundwater supply pipe has the bore thicker than above-mentioned perforated pipe, and above-mentioned groundwater supply pipe is a full water state in the irrigation in field, and is provided with the intake of directly supplying water from above-mentioned water supply path in the crop ped location.
According to subirrigation system of the present invention, the outflow of fertilizer or agricultural chemicals can be suppressed at Min., carry out and the corresponding suitable irrigation of various conditions, also suppress simultaneously sand etc. and in the pipe (perforated pipe) that underdrains, put aside, can carry out reliable subsurface irrigation for a long time.
Description of drawings
Fig. 1 is the cutaway view of first embodiment of expression subirrigation system of the present invention.
Fig. 2 is the vertical view that schematically illustrates the piping system of first embodiment.
Fig. 3 is the cutaway view of the expression second embodiment of the present invention.
Fig. 4 is the vertical view of second embodiment.
Embodiment
In Fig. 1 and Fig. 2, the inside in field is divided into a plurality of crop ped locations 13 by agricultural road 11 and ridge 12, on an agricultural road part water supply path 14 is set, and on another agricultural road part drainage channel 15 is set.In each crop ped location 13, be respectively arranged with and be used for according to the kinds of crops and its upgrowth situation and the subirrigation system of designated water level suitably.In addition, water supply path or drainage channel can be arranged on according to the situation in field arbitrarily on the position, both can be arranged on the part of ridge, also can be formed by pipeline.
Subirrigation system be with from a plurality of perforated pipes 22 of concetrated pipe 21 branches side by side with the ground that uniformly-spaced is embedded in crop ped location 13, simultaneously water level settings device 31 is arranged on from above-mentioned concetrated pipe 21 to above-mentioned drainage channel 15 drainpipe 23 midway, by the discharge level of regulating from crop ped location 13 by this water level settings device 31, can be with the water level of the water level settings in each crop ped location 13 in regulation.
In addition, on above-mentioned water supply path 14, be used for the groundwater supply pipe 41 of water to above-mentioned perforated pipe 25 supplies in order can directly to be provided with intake 25 from water supply path 14, to be connected with simultaneously with water intake valve 24 to crop ped location 13 supply waters.In addition, be taken at the water of intake 25 or groundwater supply pipe 41 and preferably set in advance the coarse mesh filter that is used to separate the thick rubbish that might in the pipe arrangement path, stop up on the notch portion, and then can set in advance valve or the weir that is used to regulate the water amount of being taken into, be used to flow confirming mechanism of confirming flow etc.
Above-mentioned groundwater supply pipe 41 or concetrated pipe 21 is owing to can adopt bore greater than perforated pipe 22 to all supply waters of a plurality of perforated pipes 22, for example be about the twice of bore of perforated pipe 22, specifically, be that about 50 perforated pipe, nominal diameter are about 100 pipe with respect to nominal diameter.
Above-mentioned groundwater supply pipe 41 is made of following parts: in the ground of crop ped location 13 with the degree of depth of above-mentioned perforated pipe 22 equal extent, the position darker preferably than perforated pipe 22, towards above-mentioned drainage channel 15 with horizontal direction or be provided with the water supply person in charge portion 42 that the state of the gradient of appropriateness is buried underground; Erect and be connected intake pipe portion 43 on the above-mentioned water supply path 14 from the upstream portion of this water supply person in charge portion 42; From the downstream branch of water supply person in charge portion 42, be connected the feed pipe portion 44 on the above-mentioned drainpipe 23 on draining one side that is positioned at above-mentioned perforated pipe 22; The downstream of water supply person in charge portion 42 is extended to the adjutage portion 45 of above-mentioned drainage channel 15; And the sealing portion 46 that can open and close this adjutage portion 45, be used to open drainage channel 15.
And, water level settings device 31 is the bottoms that the upstream side pipe arrangement 23a of drainpipe 23 and downstream pipe arrangement 23b are connected to water level settings hopper 32, water level regulating weir 33 is set with separating two tubing connection portion simultaneously, by changing the height of this water level regulating weir 33, the water level settings in the crop ped location 13 can be become arbitrarily.In addition, the structure of water level settings device 31 is arbitrarily, can replace the weir and the slip pipe formula setting apparatus etc. that uses dual structure water level settings mechanism arbitrarily.
In the subirrigation system that forms like this, under the common state, the water that flows in water supply path 14 is fed to from ground in the crop ped location 13 via concetrated pipe 21 and perforated pipe 22 from groundwater supply pipe 41, surplus water in the crop ped location 13 by concetrated pipe 21 and water level settings device 31, is discharged to above-mentioned drainage channel 15 from drainpipe 23 from perforated pipe 22.The water level of the crop ped location 13 of this moment remains on roughly certain because of the height of above-mentioned water level regulating weir 33.
At this moment, be fed to draining one side of perforated pipe 22 from above-mentioned groundwater supply pipe 41 from the new water of water supply path 14, because remaining water intactly is discharged from by water level settings device 31, has only supplied state in shortage in the crop ped location 13 so become.Therefore, in crop ped location 13, owing to be the state that flows that produces water hardly, so the low water of temperature can exceedingly not flow in the crop ped location 13, fertilizer or the agricultural chemicals of dispensing in crop ped location 13 can flow out together with water hardly.
And, in the time need in crop ped location 13, supplying a large amount of waters, can directly in crop ped location 13, supply a large amount of waters from intake 25 by opening above-mentioned water intake valve 24.In addition, because by suitably setting the water consumption of to crop ped location 13 in, supplying, can in crop ped location 13, form suitable current from intake 25, so, for example can reduce water temperature in the crop ped location 13, harmful substance such as discharge sulfur oxide from ground in summer.
So, in this irrigation state, become from above-mentioned groundwater supply pipe 41 and flow into state the above-mentioned perforated pipe 22 respectively at the water of each perforated pipe 15 top set via concetrated pipe 21.Therefore, by flowing into water in the perforated pipe 22 is not directly from water supply path 14 but flow into perforated pipes 22 ground via groundwater supply pipe 41 and form, even so under from the water of water supply path 14 supply, containing the situation of a large amount of sands etc., also can make the sedimentations in the water supply person in charge portion 42 of groundwater supply pipe 41 such as sand in the water, can reduce the amount that flows into sand in the perforated pipe 22 etc. with water significantly.
At this moment, by suitably setting the bore or the water withdrawal of water supply person in charge portion 42, the flow velocity of water is fully slowed down, sedimentation, the separation of the person in charge portion 42 place's sands that can roughly fully supply water etc. can prevent reliably that sand etc. from flowing into to perforated pipe 22.
Therefore, even long-time the use, sand etc. can not put aside perforated pipe 22 in and the water flowing performance of obstruction perforated pipe 22 yet.So, owing to do not need to be provided with the filter of fine-structure mesh, thereby can omit daily maintenance operation, can realize laborsavingization of agricultural operation.And, owing to laying of groundwater supply pipe 41 can be carried out simultaneously with the laying task of perforated pipe 22, so just the increase of current cost is very little.
In addition, because by opening the sealing portion 46 that is arranged on groundwater supply pipe 41 terminal parts, to under water supply path 14 inflow places, directly be discharged into the drainage channel 15 by the water of feed pipe 41, water is flowed, so the sand of sedimentations in the water supply person in charge portion 42 etc. can be discharged in the drainage channel 15 in water supply person in charge portion 42 with sufficient speed.And, by in water supply person in charge portion 42, setting suitable water gradient in advance, can carry out the eliminating of the sand etc. in the drain header portion 42 more reliably.
Particularly, because by with groundwater supply pipe 41, especially the supply water burial place of person in charge portion 42 is embedded in the position darker than above-mentioned perforated pipe 22, make the state that is always full water in the water supply person in charge portion 42 in advance, can make the dryings such as sand of sedimentation in water supply person in charge portion 42, prevent in water supply person in charge portion 42 fixed, so can easily carry out the eliminating of sand from water supply person in charge portion 42.
In addition, sealing portion 46 can adopt valve or sluice, but owing to needn't carry out the discharge operation of the above-mentioned sand that discharges water etc. continually, is always normally off, so by adopt the lid of bolt on the end of adjutage portion 45, realize the reduction of equipment cost.In addition,, can insert utensils such as tubular type descaler, easily clean in the water supply person in charge portion 42 from the end of adjutage portion 45 by being configured to not to be provided with the linearity of valve etc. midway from water supply person in charge portion 42 to adjutage portion 45.And, between water supply path 14 and drainage channel 15, can not obtain under the situation of sufficient difference of height, by using pump etc., move the water to flow into forcibly in the groundwater supply pipe 14 and produce current, can with the above-mentioned sand etc. of similarly discharging.
Fig. 3 and irrigation system shown in Figure 4 are used a part in the perforated pipe 22 of a plurality of settings, are used a large diameter perforated pipe 22a usually, it is had and above-mentioned groundwater supply pipe identical functions, water supply path one side of this large diameter perforated pipe 22a is connected on the above-mentioned water supply path 14, and water carries out via this major diameter perforated pipe 22a to the supply of other each perforated pipes 22.
As mentioned above,, also can carry out and above-mentioned same irrigation, can in major diameter perforated pipe 22a, carry out simultaneously sedimentation, the separation of sand etc. even used as the groundwater supply pipe under the situation of major diameter perforated pipe 22a.As for being deposited in sand in this major diameter perforated pipe 22a etc., by the water level regulating weir 33 of water level settings device 31 is all removed, make the upstream side pipe arrangement 23a and the state of downstream pipe arrangement 23b for being communicated with of drainpipe 23 in the bottom of water level settings hopper 32, sand etc. can be discharged from drainpipe 23 with water.
Claims (6)
1. subirrigation system, in the ground in field, bury perforated pipe underground, simultaneously on one side of the downstream of this perforated pipe, the water level settings device is set, by regulating the water level that discharge level is set the field with this water level settings device, it is characterized in that, in the ground in field, bury underground and be used for confessing in the future the groundwater supply pipe of the water of water passage, this groundwater supply pipe and above-mentioned perforated pipe are coupled together in draining one side of this perforated pipe to the field supply.
2. subirrigation system as claimed in claim 1 is characterized in that, tubular its end that becomes of above-mentioned groundwater supply can be opened in drainage channel one side.
3. subirrigation system as claimed in claim 1 is characterized in that, above-mentioned groundwater supply pipe is embedded in the position darker than above-mentioned perforated pipe.
4. subirrigation system as claimed in claim 1 is characterized in that, above-mentioned groundwater supply pipe has the bore thicker than above-mentioned perforated pipe.
5. subirrigation system as claimed in claim 1 is characterized in that, above-mentioned groundwater supply pipe is full water state in the irrigation in field.
6. subirrigation system as claimed in claim 1 is characterized in that, is provided with the intake of directly supplying water from above-mentioned water supply path in the crop ped location.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP348629/2002 | 2002-11-29 | ||
| JP2002348629A JP2004180529A (en) | 2002-11-29 | 2002-11-29 | Underground irrigation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1520717A true CN1520717A (en) | 2004-08-18 |
Family
ID=32751488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2003101195403A Pending CN1520717A (en) | 2002-11-29 | 2003-11-28 | Systems of subirrigation |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2004180529A (en) |
| CN (1) | CN1520717A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105191756A (en) * | 2015-10-13 | 2015-12-30 | 中国农业科学院农田灌溉研究所 | Novel irrigation emitter for novel non-pressure irrigation device |
| US10154629B2 (en) | 2015-10-13 | 2018-12-18 | Farmland Irrigation Research Institute, Chinese Academy Of Agricultural Sciences | Pressureless irrigation device |
| CN109076927A (en) * | 2018-10-22 | 2018-12-25 | 张振花 | A kind of lower embedding type agricultural irrigation pipeline for clearing up Drain Sludge |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008237135A (en) * | 2007-03-28 | 2008-10-09 | Kubota Ci Kk | Underground irrigation system |
| JP5254415B2 (en) * | 2011-09-30 | 2013-08-07 | クボタシーアイ株式会社 | Underground irrigation system |
| CN106647831A (en) * | 2016-10-20 | 2017-05-10 | 西安理工大学 | Test device and control method for controlling underground water level balance |
| CN108012813A (en) * | 2016-10-31 | 2018-05-11 | 新疆天业（集团）有限公司 | A kind of looping network irrigation system |
| CN111742825A (en) * | 2020-05-25 | 2020-10-09 | 华北水利水电大学 | Construction and Application of Farmland Precision Irrigation Control Model |
-
2002
- 2002-11-29 JP JP2002348629A patent/JP2004180529A/en active Pending
-
2003
- 2003-11-28 CN CNA2003101195403A patent/CN1520717A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105191756A (en) * | 2015-10-13 | 2015-12-30 | 中国农业科学院农田灌溉研究所 | Novel irrigation emitter for novel non-pressure irrigation device |
| CN105191756B (en) * | 2015-10-13 | 2017-12-05 | 中国农业科学院农田灌溉研究所 | Without pressure irrigation rig douche |
| US10154629B2 (en) | 2015-10-13 | 2018-12-18 | Farmland Irrigation Research Institute, Chinese Academy Of Agricultural Sciences | Pressureless irrigation device |
| CN109076927A (en) * | 2018-10-22 | 2018-12-25 | 张振花 | A kind of lower embedding type agricultural irrigation pipeline for clearing up Drain Sludge |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004180529A (en) | 2004-07-02 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20061013 Address after: Japan, Miyagi Prefecture, Japan Applicant after: Pardy Institute Co., Ltd. Co-applicant after: Kubota C. I. Co., Ltd. Address before: Japan, Miyagi Prefecture, Japan Applicant before: Pardy Institute Co., Ltd. Co-applicant before: Co Rong Industries Ltd |
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20040818 |