CN111576362A - Farmland drainage system for slope farmland - Google Patents
Farmland drainage system for slope farmland Download PDFInfo
- Publication number
- CN111576362A CN111576362A CN202010538518.6A CN202010538518A CN111576362A CN 111576362 A CN111576362 A CN 111576362A CN 202010538518 A CN202010538518 A CN 202010538518A CN 111576362 A CN111576362 A CN 111576362A
- Authority
- CN
- China
- Prior art keywords
- auxiliary
- pipeline
- pipe
- farmland
- main
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention discloses a farmland drainage system for slope farmland, which comprises a drainage pipe network, a water collecting mechanism and a water seepage unit, wherein the drainage pipe network comprises a main pipe and an auxiliary pipe connected with the main pipe, the main pipe is connected with the auxiliary pipe through an auxiliary pipe node, the main pipe and the auxiliary pipe are water seepage pipes, the main pipe and the auxiliary pipe are laid under the water seepage unit, the main pipe is arranged along the slope direction, the auxiliary pipes are arranged at two sides of the main pipe, the auxiliary pipes are arranged along the slope direction, the main pipe and the auxiliary pipes are arranged at 70-80 degrees along the ascending direction through auxiliary pipe nodes, the main pipe and the auxiliary pipes are fixedly connected through auxiliary pipe nodes, and the tail end of the main pipe is connected with the water collecting mechanism. According to the invention, according to the terrain map, the main pipeline and the auxiliary pipeline can drain water at the middle and lower parts of the slope in time, so that waterlogging is avoided, the problems of large drainage investment and land area encroachment of an open channel are solved by burying the pipelines underground, and the drainage investment of the slope farmland is lower and the effect is better by the arrangement method.
Description
Technical Field
The invention relates to the technical field of farmland irrigation and drainage, in particular to a farmland drainage system for slope farmland.
Background
Irrigation and drainage are important engineering measures for meeting the water requirement for crop growth and development through artificial means. In areas with serious waterlogging, the construction of drainage facilities for slope farmland is particularly important.
At present, drainage of slope farmland is open channel drainage or closed pipe drainage, wherein open channel drainage is built on the ground surface, the investment is large, and the farmland area is invaded, so that the land utilization rate is greatly reduced. The hidden pipe drainage method has the characteristics of small occupied area, good drainage effect, easiness in control and the like, becomes a main form for drainage and salt discharge of slope farmlands in many areas, but is influenced by terrain conditions and cultivation modes, water flow on the slope can be flushed along the slope when the slope farmlands melt in rainfall season or spring snow water due to terrain reasons, and water flow on the slope can not be drained in time due to hidden pipe drainage, so that the middle and lower parts of the water flow can be flushed along the slope, and flood disasters can be caused in the middle and lower areas.
Therefore, it is urgently needed to provide a drainage system applicable to slope farmland, which can drain water flow on the slope in time and avoid flood disasters caused by middle and lower farmlands.
Disclosure of Invention
In view of the above, the invention provides a farmland drainage system suitable for sloping farmland, which solves the problems of large investment and land area encroachment of open channel drainage, and further solves the problems of high investment, easy blockage and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
a farmland drainage system for slope farmland is characterized by comprising a drainage pipe network, a water collecting mechanism and a water seepage unit, the drainage pipe network comprises a main pipeline and an auxiliary pipeline connected with the main pipeline, the main pipeline is connected with the auxiliary pipeline through an auxiliary pipe node, the main pipeline and the auxiliary pipeline are water seepage pipes, the main pipeline and the auxiliary pipeline are laid under the water seepage units, the main pipeline is arranged along the slope direction, the auxiliary pipelines are arranged at two sides of the main pipeline, the auxiliary pipelines are arranged along the slope direction, the main pipeline and the auxiliary pipeline are arranged at an included angle of 70-80 degrees in the upward slope direction through the auxiliary pipeline joint, the main pipeline is fixedly connected with the auxiliary pipeline through an auxiliary pipeline joint, the tail end of the main pipeline is connected with the water collecting mechanism, the water seepage unit is a buried layer which can permeate water into the main pipeline and the auxiliary pipeline through gravity.
Preferably, the buried depth of the main pipeline is 80-120 cm.
Preferably, the main pipe is provided with one auxiliary pipe node every 50 m.
Preferably, the buried depth of the secondary pipeline is 80-120 cm.
Preferably, the main pipeline is made of any one of corrugated pipes, tiles or branches.
Preferably, the water collecting mechanism is a water channel or a water drainage well.
Preferably, the water seepage unit is a buried layer for sequentially burying rice hulls, fine sand and soil.
A drainage pipe network arrangement method for a drainage system of a farmland in a sloping field is characterized by comprising the following steps:
step 1: according to the topographic map, arranging a main pipeline along the slope direction, arranging an auxiliary pipeline downwards along a contour line and forming an included angle of 75 degrees with the main pipeline, and digging a tunnel;
step 2: selecting materials for forming a main pipeline and an auxiliary pipeline;
and step 3: putting a main pipeline material and an auxiliary pipeline material into the dug tunnel;
and 4, step 4: filling the rice hulls, the fine sand and the soil into the tunnel in sequence;
and 5: and after the soil sinks, continuously supplementing the surface soil until the soil does not sink any more.
Preferably, the thickness of the rice hull layer is 20-25 cm.
Preferably, the thickness of the fine sand layer is 20-25 cm.
According to the technical scheme, compared with the prior art, the invention discloses a farmland drainage system for slope farmland, which has the beneficial effects that:
1. the method does not occupy the farmland area, is suitable for sloping farmland, and effectively avoids local flood disasters caused by rainfall accumulation and snow water ablation;
2. through the reasonable arrangement of the auxiliary pipeline and the main pipeline, the productivity and the output value of the slope farmland are greatly improved, and the water surface height in the water-bearing stratum of the surface of the high-water-level farmland is more effectively reduced;
3. the main pipeline is arranged perpendicular to the contour line of the topographic part (along the slope direction), and the auxiliary pipeline and the main pipeline form an included angle of 70-80 degrees, so that the topography can be effectively utilized, accumulated water is removed, earth surface soil is dried, the earth surface soil temperature is improved, and the crop growth period is shortened;
4. different materials are filled into the tunnel, so that the water delivery performance of the tunnel inner pipe can be obviously ensured, and the tunnel is prevented from being damaged by external factors;
5. can use local materials, greatly reduces the investment cost and is more favorable for promoting the popularization of the concealed pipe drainage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic illustration of the burying mode provided by the present invention;
FIG. 2 is a side view of the present invention in a buried mode;
FIG. 3 is a schematic view of the arrangement of a main pipe provided by the present invention;
FIG. 4 is a schematic diagram of the arrangement of a main pipeline and a secondary pipeline provided by the invention;
in the figure: 1. a first layer; 2. a second layer; 3. a third layer; 4. a fourth layer; 11. a main pipeline; 12. a secondary pipe; alpha, the included angle between the main pipeline and the auxiliary pipeline; beta, terrain slope.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The embodiment of the invention discloses a farmland drainage system for slope farmland, wherein a main pipeline 11 is arranged along the slope direction of the terrain according to a terrain position map, the main pipeline 11 is buried at a position of 80-120cm underground, the main pipeline 11 is composed of a flow guiding device, the flow guiding device is a corrugated pipe with the diameter of 15-25cm, the corrugated pipe is a water seepage corrugated pipe in the embodiment, auxiliary pipe nodes are arranged on two sides of the main pipeline, the auxiliary pipeline is connected to the auxiliary pipe nodes, the auxiliary pipeline 12 is buried at a position of 80-120cm underground, the main pipeline 11 and the auxiliary pipeline 12 are arranged in an inclined angle of 70-80 degrees along the upward slope direction through the auxiliary pipe nodes, preferably, the included angle is 75 degrees, the main pipeline and the auxiliary pipeline form an included angle of 75 degrees along the upward slope direction, and the hidden pipe nodes are 25m long. The end of the main pipe 11 is connected with a water collecting mechanism which is a water channel or a drainage well, so that water in the pipe can be conveniently drained.
In this embodiment, the main pipe is provided with auxiliary pipe joints every 50m, and the auxiliary pipe joints are arranged on two sides of the main pipe.
In this example, the water seepage unit is a buried layer, and after a tunnel is dug and a main pipeline and an auxiliary pipeline are arranged, the buried layer which is used for sequentially burying rice husks, fine sands and soil is used as the water seepage unit.
In the present embodiment, the secondary pipe 12 is disposed in the descending direction.
Example 2
This embodiment is through setting up main pipeline in farmland and auxiliary pipeline, drainage well or irrigation canals and ditches constitution part.
Arranging a main pipeline 11, arranging the main pipeline 11 perpendicular to the contour line of the topographic part according to a topographic part map, enabling the burying depth of the main pipeline 11 to be 80-120cm, selecting a corrugated pipe with the diameter of 15-25cm, if the corrugated pipe does not exist, replacing the corrugated pipe with a tile with the width of 20-25cm, enabling upper and lower radians of the tile to be opposite, keeping a hollow arrangement in the middle, or using local materials, selecting branches with the length of 80-100cm, binding the branches into a cylinder with the diameter of 20-25cm, and wrapping the cylindrical branch with a water-permeable. Placing the corrugated pipe (or tile, branch) into the dug tunnel, placing 20-25cm rice husk on the upper layer, leveling, placing 20-25cm fine sand to fill, covering soil on the surface, sinking the soil after several days, and continuously supplementing surface soil until the soil does not sink any more. The tail end of the main pipeline is connected with a water channel or a drainage well. The auxiliary pipeline 11 is partially arranged, the contour line is downward, an included angle of 75 degrees is formed between the auxiliary pipeline and the main pipeline, and the arrangement mode is the same as that of the main pipeline 11. Every 50m long main pipe, two sides are respectively provided with one 25m long auxiliary pipe node.
Example 3
The method for arranging the drainage pipe network comprises the following steps:
step 1: according to the topographic map, arranging a main pipeline 11 along the slope direction, arranging an auxiliary pipeline 12 downwards along a contour line and forming an included angle of 75 degrees with the main pipeline, and digging a tunnel;
step 2: selecting materials for forming a main pipeline 11 and a secondary pipeline 12;
and step 3: putting a main pipeline material and an auxiliary pipeline material into the dug tunnel;
and 4, step 4: filling the rice hulls, the fine sand and the soil into the tunnel in sequence;
and 5: and after the soil sinks, continuously supplementing the surface soil until the soil does not sink any more.
And (4) placing the corrugated pipe, the tile or the branch into the dug tunnel. Secondly, the tunnel is buried in a landfill,
the first layer 1 puts the corrugated pipe, tile or branch into the dug tunnel. Secondly, the tunnel is buried in a landfill,
the second layer 2 is filled with rice hulls (or biochar and plant ash) of 20-25cm for landfill;
fine sand (thick sand cushion) of 20-25cm is put into the third layer 3;
the fourth layer 4 is filled with soil and continues to be filled with soil after several days of subsidence.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A farmland drainage system for slope farmland is characterized by comprising a drainage pipe network, a water collecting mechanism and a water seepage unit, the drainage pipe network comprises a main pipeline and an auxiliary pipeline connected with the main pipeline, the main pipeline is connected with the auxiliary pipeline through an auxiliary pipe node, the main pipeline and the auxiliary pipeline are water seepage pipes, the main pipeline and the auxiliary pipeline are laid under the water seepage units, the main pipeline is arranged along the slope direction, the auxiliary pipelines are arranged at two sides of the main pipeline, the auxiliary pipelines are arranged along the slope direction, the main pipeline and the auxiliary pipeline are arranged at an included angle of 70-80 degrees in the upward slope direction through the auxiliary pipeline joint, the main pipeline is fixedly connected with the auxiliary pipeline through an auxiliary pipeline joint, the tail end of the main pipeline is connected with the water collecting mechanism, the water seepage unit is a buried layer which can permeate water into the main pipeline and the auxiliary pipeline through gravity.
2. The drainage system for farmland in sloping fields as claimed in claim 1, wherein the buried depth of the main pipe is 80-120 cm.
3. The drainage system for farmland on sloping fields as claimed in claim 1, wherein said main pipe is provided with one said secondary pipe node every 50 m.
4. The drainage system for farmland on sloping fields as claimed in claim 1, wherein the buried depth of the secondary pipeline is 80-120 cm.
5. A drainage system for cropland fields as claimed in claim 1, wherein said main pipe is made of any one of corrugated pipe, tile or twigs.
6. The drainage system for farmland on sloping fields as claimed in claim 1, wherein said water collecting means is a canal or a drainage well.
7. The drainage system for farmland on sloping fields as claimed in claim 1, wherein the water penetration unit is a buried layer for sequentially burying rice hulls, fine sand and soil.
8. A drainage pipe network arrangement method for a drainage system of a farmland in a sloping field is characterized by comprising the following steps:
step 1: according to the topographic map, arranging a main pipeline along the slope direction, arranging an auxiliary pipeline downwards along a contour line and forming an included angle of 75 degrees with the main pipeline, and digging a tunnel;
step 2: selecting materials for forming a main pipeline and an auxiliary pipeline;
and step 3: putting a main pipeline material and an auxiliary pipeline material into the dug tunnel;
and 4, step 4: filling the rice hulls, the fine sand and the soil into the tunnel in sequence;
and 5: after the soil sinks, continuously supplementing the surface soil until the soil does not sink any more;
wherein the thickness of the rice hull layer is 20-25cm, and the thickness of the fine sand layer is 20-25 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010538518.6A CN111576362A (en) | 2020-06-13 | 2020-06-13 | Farmland drainage system for slope farmland |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010538518.6A CN111576362A (en) | 2020-06-13 | 2020-06-13 | Farmland drainage system for slope farmland |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111576362A true CN111576362A (en) | 2020-08-25 |
Family
ID=72118309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010538518.6A Pending CN111576362A (en) | 2020-06-13 | 2020-06-13 | Farmland drainage system for slope farmland |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111576362A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1251735A (en) * | 1999-11-12 | 2000-05-03 | 天津经济技术开发区总公司园林绿化公司 | Desalinizing technique using buried pipeline for seaside salinized ground with higher underground water level |
| US20020066214A1 (en) * | 2000-12-04 | 2002-06-06 | Copros Co., Ltd. | Underdrain excavation apparatus |
| CN102561280A (en) * | 2012-02-06 | 2012-07-11 | 古欣 | Quick drainage system utilizing capillary water permeating and draining belts and drainage method thereof |
| CN102888829A (en) * | 2012-11-05 | 2013-01-23 | 河海大学 | Farmland underground water drainage design method |
| CN103898884A (en) * | 2014-03-26 | 2014-07-02 | 重庆地质矿产研究院 | Method for eliminating soil medium current of terrace in landslide area |
-
2020
- 2020-06-13 CN CN202010538518.6A patent/CN111576362A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1251735A (en) * | 1999-11-12 | 2000-05-03 | 天津经济技术开发区总公司园林绿化公司 | Desalinizing technique using buried pipeline for seaside salinized ground with higher underground water level |
| US20020066214A1 (en) * | 2000-12-04 | 2002-06-06 | Copros Co., Ltd. | Underdrain excavation apparatus |
| CN102561280A (en) * | 2012-02-06 | 2012-07-11 | 古欣 | Quick drainage system utilizing capillary water permeating and draining belts and drainage method thereof |
| CN102888829A (en) * | 2012-11-05 | 2013-01-23 | 河海大学 | Farmland underground water drainage design method |
| CN103898884A (en) * | 2014-03-26 | 2014-07-02 | 重庆地质矿产研究院 | Method for eliminating soil medium current of terrace in landslide area |
Non-Patent Citations (1)
| Title |
|---|
| 王秋菊等: "三江平原低湿地水田土壤理化特性及暗管排水效果", 《农业工程学报》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107989051B (en) | Ecological slope protection system with combination of grid slope protection, sand well water seepage and water guide slope | |
| CN201891143U (en) | Buried storm water collection and storage facility in flat areas | |
| CN104831678A (en) | Ecological restoration method for tailing depot reclamation after tailing depot closure | |
| CN105862665B (en) | The method in comprehensive treatment of small watersheds-reconstruction good farmland | |
| CN108951816B (en) | Ecological tree pool system and construction method | |
| CN112970469A (en) | Ecological restoration structure for hydro-fluctuation belt in reservoir area | |
| CN206667420U (en) | Sponge city high-effective penetrating type greenery patches constructs | |
| CN111851412A (en) | Ecological slope protection structure and method combining sand well slope surface drainage and lattice drip irrigation system | |
| CN106717413A (en) | A kind of sponge urban afforestation irrigation system and its construction method | |
| CN102726141A (en) | Saline-alkali soil improvement facility and method | |
| CN106836243B (en) | A kind of sponge greenery patches of suitable mountain topography and its building method | |
| CN111379238B (en) | Trench head protection structure for developing erosion gully and construction method thereof | |
| CN210580198U (en) | Sloping field water collection and soil conservation structure | |
| CN208501715U (en) | A kind of Rain Garden | |
| CN109618884A (en) | A kind of phreatic water seepage flow catchments hidden pipe structure | |
| CN111576362A (en) | Farmland drainage system for slope farmland | |
| Kumar et al. | Rain water harvesting in North-Western Himalayan Region-a case study | |
| CN215301753U (en) | Ecological restoration structure for hydro-fluctuation belt in reservoir area | |
| CN212064807U (en) | Rocky desertification area soil and water loss treatment system | |
| CN210621724U (en) | Water-retaining slope protection structure for arid area | |
| CN114086507A (en) | Ecological revetment process with high water and soil retention | |
| CN114000475A (en) | Farmland soil drainage system for ditch treatment and land reclamation of loess plateau and construction method thereof | |
| CN209798948U (en) | rainwater infiltration and drainage integrated device | |
| CN112868459A (en) | Semi-arid waste dump slope vegetation restoration structure and method for efficiently utilizing rainfall | |
| CN111851394A (en) | Ecological recovery system of surface water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200825 |