CN109944294A - A kind of southwest knob hillside fields road band ditch rainwater-collecting and reutilization system - Google Patents
A kind of southwest knob hillside fields road band ditch rainwater-collecting and reutilization system Download PDFInfo
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- CN109944294A CN109944294A CN201910308827.1A CN201910308827A CN109944294A CN 109944294 A CN109944294 A CN 109944294A CN 201910308827 A CN201910308827 A CN 201910308827A CN 109944294 A CN109944294 A CN 109944294A
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
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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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
- E03F3/046—Open sewage channels
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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Abstract
The present invention discloses a kind of southwestern knob hillside fields road band ditch rainwater-collecting and reutilization system, and rainwater-collecting and reuse means are arranged between southwestern knob hillside fields road and drainage ditch；The rainwater-collecting and reuse means are made of catch basin, filter layer, sand stone layer, plant hedge and water plug；The catch basin is closed cavity body structure, and the top of the catch basin is equipped with filter layer, sand stone layer and plant hedge upwards in turn；Catch basin is set side by side with drainage ditch, and the top of catch basin is equipped with overflow hole and is connected to drainage ditch, and bottom position is lower than the bottom position of drainage ditch；The water plug includes suction pump, drinking-water pipe and outlet pipe, and the suction pump is set to the side of plant hedge, and drinking-water pipe is connected with the water inlet of suction pump, and outlet pipe is connected with the water outlet of suction pump.The present invention can balance rainwater resource, realize the water and soil and nutrient loss for reducing southwestern knob to rain water reuse.
Description
Technical field
The present invention relates to rainwater comprehensive utilization fields, and in particular to the southwestern hills under a kind of cropping pattern based on plant hedge
Regional hillside fields road band ditch rainwater-collecting and reutilization system.
Background technique
The water resource of Southwestern China knob is influenced by monsoon climate, and season distribution is uneven, and precipitation is mainly concentrated
In summer.When flood season, continuous 4 months precipitation accounts for the 60%-80% of annual precipitation, summer flood easy to form.The rainwater of summer
In, there are about three/second is that flood runoff amount will drain if rainwater is not collected along drainage ditch river.And
In dry season, precipitation is less, at this moment just needs the pumping irrigation crop from water source.
In order to realize the reasonable utilization of rainwater resource, need to take some measures the rainwater-collecting in flood season, for drought
The irrigation of Ji Nongtian.Currently, knob rainwater-collecting is mainly using the water storage projects such as reservoir are built, which uses water storage
Rainwater is collected to irrigate road green belt and nearest farmland in pond.This method needs to occupy a large amount of farmland, and collect
Rainwater is easy evaporation loss, is inconvenient to manage, and also needs plus safeguard procedures around some reservoirs to avoid safety problem.Also have
Rainwater is collected by rainwater on road surface Interception engineering.It is saturating using being used on pervious concrete or pavement by building pavement material
The method that the catch-basin of collection carries out rainwater-collecting is arranged in water brick below pervious concrete/water-permeable brick, and this method is for mound
For the area of mound, operability is lower, and project amount is larger.Meanwhile rainwater on road surface Interception engineering is to the infrastructure for building road
It is required that high, construction cost is also higher, in addition the landform that southwestern knob is special, and it is incomplete along with irrigating facility, it leads
Cause pumping irrigation difficult.Since flood season rainfall is big, for southwestern knob, heavy rain not only causes soil particle and supports
It shunts and loses, while reducing research advances.
Therefore, how to alleviate soil erosion while collecting flood season rainwater, keep soil moisture and nutrient, be this field
The direction of technical staff's research.
Summary of the invention
In view of the above shortcomings of the prior art, the purpose of the present invention is to provide one kind based on southwestern knob slope
Rain water collecting system of the ground road with ditch can balance rainwater resource, realize to rain water reuse, reduce southwestern knob water
Soil and nutrient loss.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
A kind of southwest knob hillside fields road band ditch rainwater-collecting and reutilization system, on southwestern knob hillside fields road and draining
Rainwater-collecting and reuse means are set between irrigation canals and ditches；The rainwater-collecting and reuse means are by catch basin, filter layer, sandstone
Layer, plant hedge and water plug composition；
The catch basin is closed cavity body structure, is equipped with vertical permeable hole, the top of the catch basin at the top of catch basin
It is equipped with filter layer, sand stone layer and plant hedge upwards in turn；Catch basin is set side by side with drainage ditch, and the top of catch basin, which is equipped with, overflows
Discharge orifice is connected to drainage ditch, and bottom position is lower than the bottom position of drainage ditch；
The water plug includes suction pump, drinking-water pipe and outlet pipe, and the suction pump is set to the side of plant hedge, described to draw water
Pipe is connected with the water inlet of suction pump, and outlet pipe is connected with the water outlet of suction pump；The lower end of the drinking-water pipe is located at catch basin
Bottom.
The present invention by the way that rainwater-collecting and reuse means are arranged between southwestern knob hillside fields road and drainage ditch,
The rainwater-collecting in flood season is got up and is stored in catch basin, dry season or need with when water by water plug by rainwater extract out into
Row is irrigated, and is realized the reasonable utilization to rainwater, is improved the utilization rate of rainwater, also reduces waterlogging risk.By being arranged
Filtering layer, sand stone layer and plant hedge are as filtration system, so that the rainwater collected is clean, convenient for saving.Plant hedge can filter out
The impurity of rainwater to holding soil nutrient, slows down Topographic factor and soil since the root system of plant for constituting plant hedge is flourishing
Erosion plays an important role, and plant hedge can serve as road green belt and ecological buffer strip, and alleviation road band ditch, which is built, to be drawn
Rise habitat destruction, have preferable social benefit and certain economic benefit, it is practical, can knob hillside fields it is wide
General popularization and application.
Further, the distance between the hillside fields road and drainage ditch are more than or equal to 0.6m, and the plant hedge of such width is
Can have to the soil erosion in hillside fields and slow down effect.
Further, the rainwater-collecting and reuse means are multiple, are continuously or discontinuously arranged.
Further, the plant hedge is greenbelt made of the collocation of drought-enduring, waterlogging, well developed root system plant, the plant hedge
Inclined distribution, the side close to the hillside fields road are higher than close to the side of drainage ditch.
Further, the plant is one of alfalfa, vetiver, day lily, false indigo, Leucaena leucacephala, Chinese alpine rush
Or it is a variety of.
Further, the partial size of the sandstone of the sand stone layer is 1 ~ 8 mm, is successively decreased from the top down.
Further, the filter layer is metal mesh or plastic wire strainer, and the aperture of strainer is 0.5 ~ 1 mm.
Further, the catch basin is formed using concreting, including lower chamber and upper cover plate；The overflow hole setting
On the top of lower chamber；The upper cover plate is equipped with perforative vertical permeable hole, and rainwater passes through the vertical permeable hole on upper cover plate
Into in the lower chamber.
Further, the diameter of the vertical permeable hole is 3cm, is transversely arranged one every 1m every 0.3m, longitudinal direction.
Compared with prior art, the invention has the following beneficial effects:
1, the present invention, which builds the field of Hills, road band ditch, and irrigation canal, floodway and tractor road are built and are integrated, convenient
Agricultural machinery working and irrigation.By the way that rain water collecting system is arranged between irrigation canals and ditches and road, the rainwater in flood season is collected, in dry season or is needed
Rainwater extraction is irrigated with suction pump is passed through when water, the reasonable utilization to rainwater is realized, improves rainwater
Utilization rate also reduces waterlogging risk.By setting plant hedge and sand stone layer is intercepted as rainwater and filtration system, can filter
Fall the impurity in runoff water.Since the root system of plant for constituting plant hedge is flourishing, to holding soil nutrient, slow down Topographic factor
It is played an important role with the soil erosion, plant hedge can also serve as road green belt and ecological buffer strip, alleviate road band ditch and repair
Caused habitat destruction is built, there is preferable social benefit and certain economic benefit, it is practical, it can be on the slope of knob
Ground wide popularization and application.
2, in the rain water collecting system in the present invention, plant hedge can slow down rainwater and wash away to soil.Plant hedge greening
Band is compared with control (no plant hedge), and the soil with organic matter of plant hedge greenbelt improves 15.05%, and full nitrogen improves
9.10%；The nutritional ingredient in soil is effectively maintained, the soil erosion is slowed down, reduces loss of soil nutrient.
Detailed description of the invention
Fig. 1 is a kind of southwestern structural representation of the knob hillside fields road with ditch rainwater-collecting and reutilization system of the present invention
Figure.
Fig. 2 is a kind of the flat of embodiment of the southwestern knob hillside fields road with ditch rainwater-collecting and reutilization system of the present invention
Face figure.
Fig. 3 is a kind of plan view of reservoir of the southwestern knob hillside fields road with ditch rainwater-collecting and reutilization system.
In figure: the hillside fields 1- road, 2- drainage ditch, 3- rainwater-collecting and reuse means, 4- catch basin, 5- filter layer, 6-
Sand stone layer, 7- plant hedge, 8- water plug.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Referring to Fig. 1, a kind of southwest knob hillside fields road band ditch rainwater-collecting and reutilization system, on hillside fields road 1 and row
Rainwater-collecting and reuse means 3 are set between Box Drain 2.When it is implemented, choosing between hillside fields road 1 and drainage ditch 2
Build rainwater-collecting and reuse means 3 in hillside fields of the distance more than or equal to 0.6 m.No matter gradient size, be in planting process
Guarantee plant hedge 7, which plays, to be slowed down the soil erosion and reduces loss of soil nutrient, and width of the hillside fields road 1 apart from drainage ditch 2 be not
Lower than 0.6 m.If hillside fields road 1 apart from relatively narrow, can suitably reduce the width of plant hedge 7 away from drainage ditch 2；If hillside fields road 1
Away from drainage ditch 2 apart from wider, it can suitably increase the width and plant hedge line number of plant hedge 7.Drainage ditch 2 and hillside fields road 1 it
Between distance will affect plant hedge 7 lower than 0.6 m effect slowed down to Topographic factor, therefore, drainage ditch 2 and hillside fields road
The distance between 1 is advisable with being more than or equal to 0.6 m.The rainwater-collecting and reuse means 3 be it is multiple, distribution setting is draining
Between irrigation canals and ditches 2 and hillside fields road 1.
The rainwater-collecting and reuse means 3 are by catch basin 4, filter layer 5, sand stone layer 6, plant hedge 7 and water plug 8
Composition.When it is implemented, the catch basin 4 is closed cavity body structure, including lower chamber and upper cover plate.The upper cover plate can
Being fastened on lower chamber closes catch basin 4.One end of reservoir is arranged in the upper cover plate, and the width of upper cover plate arrives for irrigation canals and ditches
The distance on road, a length of 0.6 m.The not earthing, while the mixing by the two sides of soil setting 50 mm thickness in upper cover plate on upper cover plate
The barrier of the soil of the both ends of upper cover plate and two sides is got up, two sides soil is avoided to slide accumulation by the plank of solidifying soil or 50 mm thickness
On upper cover plate, it is not easy to open upper cover plate and is cleared up.Every half a year, cleaning was once advisable, and can do appropriate tune according to situation on the spot
It is whole.The catch basin 4 is formed using concreting, and concrete material is preferably C20+ polyethylene fibre mix concrete, this
Sample can prevent rainwater from seeping to outside and cause rainwater-collecting difficulty, while be also prevented from infiltration to 2 base of hillside fields road 1 and drainage ditch
Plinth generates adverse effect.Perforative vertical permeable hole is equipped on upper cover plate, the diameter of the vertical permeable hole is 3 cm, along cross
It is arranged one every 1 m to every 0.3 m, longitudinal direction.In this way, can be entered by these vertical permeable holes by filtered rainwater
Storage in lower chamber.The catch basin 4 is set side by side with drainage ditch 2.Water overflows after the built-in full water of lower chamber in order to prevent
Hillside fields road 1 and 2 basis of drainage ditch are impacted, are equipped with multiple overflow holes side by side on the top of 4 lower chamber of catch basin, it is described
Multiple overflow holes are connected to drainage ditch 2 respectively, are flowed in this way, extra rainwater can be flow in drainage ditch 2 by overflow hole
It walks.In order to keep the volume of catch basin 4 bigger, water requirement is more, and the bottom position that the lower chamber of catch basin 4 is arranged is lower than gutter
The bottom of canal 2.
It is equipped with filter layer 5, sand stone layer 6 and plant hedge 7 upwards in turn on upper cover plate.Sand stone layer 6 includes three layers, sandstone
Partial size is 1 ~ 8mm, is successively decreased from the top down.Topmost one layer of partial size is 5 ~ 8 mm, with a thickness of 70 cm；The partial size of middle layer is 1
~ 3 mm, with a thickness of 70 cm；Bottom one layer of quartz sand particle size is 1 ~ 2 mm, with a thickness of 60 mm.It is miscellaneous in order to preferably filter
Filter layer 5 is arranged below in sand stone layer 6 in matter.The filter layer 5 is metal mesh or plastic wire strainer, and the aperture of strainer is 0.5 ~ 1
mm.It is cleaner by sand stone layer 6 and the filtered rainwater of filter layer 5, it is more easy to maintain.
It is laid with soil above sand stone layer 6, in grown on soil plant hedge 7.The inclined distribution of plant hedge 7, close to institute
The side for stating hillside fields road 1 is higher than close to the side of drainage ditch 2.Foundation demand of plant growth, the most thin side of soil horizon thickness,
It is advisable close to the side of drainage ditch 2 with being more than or equal to 20 cm.Because if the thickness of soil horizon is lower than 20 cm, it is unfavorable for
Plant hedge growth.The plant hedge 7 is greenbelt made of the collocation of drought-enduring, waterlogging, well developed root system plant, is distributed along slope surface,
In this way, can be flowed to 2 direction of drainage ditch when rainwater enters plant hedge 7 from the kerbstone on hillside fields road 1 opening, increases and plant
The contact area of object hedge 7 realizes filtering and the evacuation to rainwater faster, avoids ponding.It is preferably more when planting plants hedge 7
Row plantation, because to subtract husky effect more preferable for the stream that subtracts of the plant hedge 7 of multiple row planting.Plant choosing has well developed root system, drought-enduring, resistance to
The features plant such as flood.Herbaceos perennial or aithullium can be selected, as alfalfa, vetiver, day lily, false indigo,
One of Leucaena leucacephala, Chinese alpine rush are a variety of.Due to constituting drought tolerance in plants, the waterlogging, well developed root system of plant hedge 7, when rainwater is logical
When crossing the opening inflow plant hedge 7 of kerbstone, rainwater infiltration penetrates soil and root system of plant collective effect, filters most of
Grain reduces the soil nutrient that rainfall runoff is taken away, can not only conserve water and soil, can also act as the greenbelt and ecology on hillside fields road 1
Buffer strip also enriches the ecoscape on hillside fields road 1 and drainage ditch 2 while maintaining the local ecological balance.
The water in water receiving tank 4 is extracted out for convenience and is used, the rainwater-collecting and reutilization system further include water installations
8.The water plug 8 includes drinking-water pipe and suction pump.The suction pump is set on plant hedge 7.When it is implemented, in plant hedge
7 side is equipped with waterproof pump box, and the suction pump is placed in waterproof pump box.The size of waterproof pump box is set according to the size of suction pump
It is fixed.Chamber door is set in the side of waterproof pump box, convenient for inspecting periodically and repairing suction pump.The water inlet of the drinking-water pipe and suction pump
It is connected, outlet pipe is connected with the water outlet of suction pump.The lower end of the drinking-water pipe is located at the bottom of catch basin 4, it is ensured that is catchmenting
Also water can be extracted when slot water level is lower out to be used to irrigate.The rainwater that catch basin 4 is collected can be in non-rainy season or the when of needs by suction pump
It is irrigated to soil surface and by outlet pipe, is capable of providing the irrigation water in nearest farmland and plant hedge 7.
Embodiment:
Referring to figures 1-3, southwestern construction of the knob hillside fields road with ditch rainwater-collecting and reutilization system provided by the invention
Method, specific as follows:
S1, the region that the distance between hillside fields road 1 and drainage ditch 2 are greater than 0.6m is chosen, understands the native plants of selected areas
And situations such as weather conditions.Field data is obtained by exploration: wide about 1.35 m, the gradient between drainage ditch 2 and hillside fields road 1
It is 21 °, the road surface length on hillside fields road 1 is about 200 m.
S2, the soil between hillside fields road 1 and drainage ditch 2 is dug out, is poured using C20+ polyethylene fibre mix concrete
Catch basin 4,10 ~ 20 cm of cell wall thickness of catch basin 4.Side above catch basin 4 close to hillside fields road 1 pours the mixed of 50cm thickness
Solidifying soil, forms the protection to hillside fields road 1, prevents the water of catch basin 4 from having an impact to the roadbed on hillside fields road 1, to destroy hillside fields
The normal use on road 1.The height of catch basin 4 is 0.8m, width 1.35m, is about 5 m.In the road for being about 200 m, every
A catch basin 4 is arranged in 15 m, and 10 catch basins 4 are arranged altogether.The reservoir storage of each catch basin 4 is 5*0.8*1.35=5.4 cube
Rice, the gross reservoir capacity of the catch basin 4 of whole section of road are 5.4*10=54 cubic metre.4 top of catch basin is transversely every in casting process
Every 0.3 m, longitudinal vertical permeable hole that 3 cm of diameter is reserved every 1 m enters catch basin 4 for filtered rainwater
In.Close to the side setting suction pump and waterproof pump box on hillside fields road 1 on plant hedge 7.The length and width of waterproof pump box is respectively 0.5 m, high
For 0.6 m, waterproof pump box is built with a thickness of 100 mm using concrete, can preferably protect suction pump.It is leaned in waterproof pump box
Movable steel plate chamber door is arranged in the side of nearly drainage ditch 2, convenient for inspecting periodically and repairing suction pump.The water inlet of suction pump with
Drinking-water pipe connection, the lower end of the drinking-water pipe are located at the bottom of catch basin 4, convenient for extracting the water of catch basin 4 out.The water outlet of suction pump
Mouth is also connected with pipeline, irrigates convenient for water is directly extracted into soil surface.Specifically, drinking-water pipe be 40 mm of pipe outside diameter,
Thick 5 mm pvc pipes.The pipeline being connected with water outlet of water pump can be pvc pipe and be also possible to hose, preferably hose, not make
Used time is convenient for storage.Set side by side on the top of 4 lower chamber of catch basin there are two overflow hole, and two overflow holes respectively with gutter
Canal 2 is connected to.It is laid with strainer in 4 over top of catch basin, the aperture of strainer is 0.5 ~ 1 mm, with a thickness of 20 mm, and metal can be used
Net or plastic wire material.It is laid with sand stone layer 6 in the top of strainer, bottom one layer of quartz sand particle size is 1 ~ 2 mm, with a thickness of
60 mm；The partial size of middle layer sandstone is 1 ~ 3 mm, with a thickness of 70 cm；Topmost the partial size of one layer of sandstone is 5 ~ 8 mm, thickness
For 70 cm.The soil digged up is laid in the top of sand stone layer 6, close to 1 side of hillside fields road with a thickness of 700 mm or so, close to row
2 side of Box Drain is with a thickness of 200 mm.
S3, by the earthen backfill dug out to the top of sand stone layer 6, so that the inclined distribution of soil, then planting plants is formed plant hedge
7。
S4, the floristics for constituting plant hedge 7 and configuration are determined, the size and catch basin 4 of catch basin 4 are apart from hillside fields road
1 height.Vetiver and day lily are suitable for planting in southwest, and have many characteristics, such as well developed root system, drought-enduring, waterlogging.Cause
Plantation is combined using day lily, vetiver in this present embodiment.Day lily has certain economic benefit, neatly gives birth in field
It is long, it is easily managed.Vetiver is waterlogging, can be used as perfume, papermaking and greenfeed etc..The spacing in the rows for designing vetiver is 30 cm, chrysanthemum
The spacing in the rows of dish is 30 cm.As shown in Fig. 2, two row vetivers are planted in the position of 25 cm of distance in the side close to hillside fields road 1,
30 cm of spacing in the rows, 40 cm of line-spacing；The position plantation day lily of 25 cm of a lateral extent of close drainage ditch 2,30 cm of spacing in the rows, this
The planting patterns of sample achievees the effect that preferably to filter and conserve water and soil so that two kinds of plants can either form plant hedge 7, and
And two kinds of plants all have certain economic benefit, can be peasant's extra earning, kill two birds with one stone.
After rain water collecting system is built up, the single water-holding capacity of catch basin is 54m3, 1 ~ 1.8 mu of field irrigation can be met
Or as fertilising and pesticide thinned water.Using one Nian Yihou of the rain water collecting system, soil nutrient index is as shown in table 1, plants
Object hedge greenbelt is compared with the greenbelt of not planting plants hedge, and the soil with organic matter of plant hedge greenbelt improves 15.05%；
Full nitrogen improves 9.10%, illustrates that planting plants hedge can reduce the soil erosion on hills.
The soil nutrient index of the different earth's surface greenbelts of table 1
| Organic matter (g/kg) | Full nitrogen (g/kg) | |
| It compares (no plant hedge) | 9.52 | 0.62 |
| The greenbelt of planting plants hedge | 10.96 | 0.68 |
Finally, it should be noted that technical solution the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, this
Field it is to be appreciated by one skilled in the art that those modification or equivalent replacement of the technical solution of the present invention are made, without de-
Objective and range from the technical program, are intended to be within the scope of the claims of the invention.
Claims (9)
1. a kind of southwest knob hillside fields road band ditch rainwater-collecting and reutilization system, it is characterised in that: in southwestern hilly ground
Rainwater-collecting and reuse means (3) are set between area hillside fields road (1) and drainage ditch (2)；The rainwater-collecting and recycling
Device (3) is made of catch basin (4), filter layer (5), sand stone layer (6), plant hedge (7) and water plug (8)；
The catch basin (4) is closed cavity body structure, is equipped with vertical permeable hole, the catch basin at the top of catch basin (4)
(4) top is equipped with filter layer (5), sand stone layer (6) and plant hedge (7) upwards in turn；Catch basin (4) and drainage ditch (2) are simultaneously
Column setting, the top of catch basin (4) are equipped with overflow hole and are connected to drainage ditch (2), and bottom position is lower than drainage ditch (2)
Bottom position；
The water plug (8) includes suction pump, drinking-water pipe and outlet pipe, and the suction pump is set to the side of plant hedge (7), institute
It states drinking-water pipe to be connected with the water inlet of suction pump, outlet pipe is connected with the water outlet of suction pump；The lower end of the drinking-water pipe is located at collection
The bottom of sink (4).
2. southwestern knob hillside fields road band ditch rainwater-collecting and reutilization system according to claim 1, it is characterised in that:
The distance between the hillside fields road (1) and drainage ditch (2) are more than or equal to 0.6m.
3. southwestern knob hillside fields road band ditch rainwater-collecting and reutilization system according to claim 1, it is characterised in that:
The rainwater-collecting and reuse means (3) be it is multiple, be continuously or discontinuously arranged.
4. southwestern knob hillside fields road band ditch rainwater-collecting and reutilization system according to claim 1, it is characterised in that:
The plant hedge (7) is greenbelt made of the collocation of drought-enduring, waterlogging, well developed root system plant；Inclined point of the plant hedge (7)
Cloth is higher than close to the side of the hillside fields road (1) close to the side of drainage ditch.
5. the rain water collecting system according to claim 4 based on southwestern knob hillside fields road with ditch, it is characterised in that:
The plant is one of alfalfa, vetiver, day lily, false indigo, Leucaena leucacephala, Chinese alpine rush or a variety of.
6. southwestern knob hillside fields road band ditch rainwater-collecting and reutilization system according to claim 1, it is characterised in that:
The partial size of the sandstone of the sand stone layer (6) is 1 ~ 8 mm, is successively decreased from the top down.
7. southwestern knob hillside fields road band ditch rainwater-collecting and reutilization system according to claim 6, it is characterised in that:
The filter layer (5) is metal mesh or plastic wire strainer, and the aperture of strainer is 0.5 ~ 1 mm.
8. southwestern knob hillside fields road band ditch rainwater-collecting and reutilization system according to claim 1, it is characterised in that:
The catch basin (4) is formed using concreting, including lower chamber and upper cover plate；The upper of lower chamber is arranged in the overflow hole
Portion；The upper cover plate is equipped with perforative vertical permeable hole, and rainwater enters the cavity of resorption by the vertical permeable hole on upper cover plate
In vivo.
9. southwestern knob hillside fields road band ditch rainwater-collecting and reutilization system according to claim 8, it is characterised in that:
The diameter of the vertical permeable hole is 3cm, is transversely arranged one every 1m every 0.3m, longitudinal direction.
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| CN201910308827.1A CN109944294A (en) | 2019-04-17 | 2019-04-17 | A kind of southwest knob hillside fields road band ditch rainwater-collecting and reutilization system |
| CN202110704559.2A CN113374026A (en) | 2019-04-17 | 2019-04-17 | Southwest hilly area sloping field area ditch rainwater is collected and is recycled system |
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| CN202110704559.2A Pending CN113374026A (en) | 2019-04-17 | 2019-04-17 | Southwest hilly area sloping field area ditch rainwater is collected and is recycled system |
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| CN113374026A (en) | 2021-09-10 |
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Application publication date: 20190628 |