CN106149800A - Blood circulation is irrigated in a kind of efficiently farmland rain penetration - Google Patents
Blood circulation is irrigated in a kind of efficiently farmland rain penetration Download PDFInfo
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- CN106149800A CN106149800A CN201610722419.7A CN201610722419A CN106149800A CN 106149800 A CN106149800 A CN 106149800A CN 201610722419 A CN201610722419 A CN 201610722419A CN 106149800 A CN106149800 A CN 106149800A
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- storage module
- rainwater
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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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
-
- 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
- Y02A20/108—Rainwater harvesting
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Sewage (AREA)
Abstract
The invention discloses a kind of efficiently farmland rain penetration and irrigate blood circulation, system includes that the rainwater-collecting pipeline (1) being sequentially communicated, precipitation hang dirty device (2), abandoned stream defecator (3), rainwater storage module (8) and rain water using device (12)；Wherein, rainwater-collecting pipeline (1) is arranged at farmland surface for collecting the rainwater collected in farmland；Rainwater storage module (8) surrounding is all coated with geotextiles (6) and/or antiseepage film (7), and rainwater storage module (8) is provided with the well of removing contamination (10) connected with ground；Rain water using device (12) is connected with rainwater storage module (8) by aqueduct (11).Circulating system structure of the present invention is simple, installs and easy to maintenance, and rainwater recycle utilization rate is high, it is easy to popularization and application, the problem that can effectively solve not have irrigation water during the peasant planting high-efficiency and economic crop of water-deficient area.
Description
Technical field
The invention belongs to Rainwater Resources utilize and water supply and drainage technical field, particularly relate to a kind of efficiently farmland rainwater and ooze
Thoroughly irrigate blood circulation.
Background technology
China's arid, semiarid zone area account for the 68.8% of the gross area.Multi-year average precipitation is only 250～600mm,
And more than 60% concentrate on 7～JIUYUE, water resource extremely lacks.Owing to natural precipitation space-time cloth is uneven, and rainwash is a large amount of
Running off, soil water-retaining performance is poor, ecological environment frailty, there is crops survival rate and storage rate is low, product quality is poor, economic effect
The problem that benefit is low, constrains the development of industrialized agriculture and industry of planting forest or fruit tress.Rainwater accumulating is used so that plantation high-efficiency and economic is made
Thing is possibly realized, and is conducive to enforcement and the adjustment of agricultural planting structure conceded the land to forestry.Arid&semi-arid area rainwater accumulating profit
With to irrigated crop, forest, fruit tree, improve crop yield and forest-grass survival rate be significant, have simultaneously block mud subtract sand,
The effect conserved water and soil, the collection storage utilization of rainwater can improve farmland ecosystem, increases the stability of local ecosystem.
The gross reserves of China's water is about 28000 billion cubic meters every year on average, and per capita water resources quantity is about the world per capita
The 1/4 of occupancy volume, and distribution of water resources is uneven, northern area serious water shortage.Along with socioeconomic fast development and population
Increase, the imbalance between supply and demand of water resource is especially prominent.Explore and implement rainwater utilization, the contradiction of insufficient water can be alleviated, solve
Shortage of water resources.If being fully utilized by the rainwater of annual for China about 60000 billion cubic meters, China's water scarcity will obtain
Alleviate.Rainwater resource is the freshwater resources of a kind of preciousness, and making full use of rainwater resource is a kind of economical and effective to make up water
A kind of approach of inadequate resource.China, in the case of water resource day is becoming tight, carries out the extensive utilization of rainwater resource, will take
Obtained significant economic benefit, social benefit and ecological benefits.The Yangtze river basin, southern area flood is wreaked havoc pertinacious disease and is passed through agriculture
Field stores seepage and can significantly alleviate, prominent social disaster pressure, and country's lives and properties are not affected by hazard weather.
Existing rain water collecting system, be rainwater is collected according to demand after, and through to collect rainwater carry out
Reach to meet the system of design use standard after process.As patent CN101933449A discloses a kind of collection for hilly upland
Rain irrigation saving system, including Ji Yutang or Ji Yuyan, high-level reservoir, low level cistern, water pump and water-supply-pipe, Ji Yutang or collection rain
Weir is arranged on middle part or the bottom of Qiu Gu, and high-level reservoir is arranged on Ji Yutang or to collect each mound body camber near rain weir the highest
Body top, mound, low level cistern is multiple, is separately positioned on each mound body of high-level reservoir periphery, and its height stores less than a high position
Pond, water pump is arranged on by Ji Yutang or collection rain weir, and its water inlet meets Ji Yutang or Ji Yuyan, and its outlet connects elevated storage
Pond, water-supply-pipe is laid between high-level reservoir and each low level cistern, but this collection rain irrigation saving system has strictly for physical features
Requirement, be not suitable for popularity；For another example another patent CN101536662A discloses a kind of water-saving dried area fruit tree irrigating dress
Put on water-retaining film, be provided with air-vent, separating zipper and dropper hole, dropper interface, anti-blocking clamping plate and tank form water permeating board,
Tank is provided with water-guiding hole, and water permeating board is placed in water-retaining film, and the dropper interface on water permeating board is connected with drip irrigation pipe；During use
Water-retaining film is imbedded the slide fastener that fruit tree is other and pulls on water-retaining film, the dropper interface of water permeating board is connected with drip irrigation pipe, then leads to
Piping system carries moisture in water-retaining film, although but this device can economize on water with water conservation, but be intended under each fruit tree
Erecting device, quantities is great；And for example patent CN204551590A discloses a kind of farmland rainwater-collecting and stocking system, including
Conflux face, charge for remittance ditch, connect ditch, collecting gutter and tank, described in face of confluxing for being obliquely installed, described in low side, face of confluxing set
Put charge for remittance ditch, described in conflux collecting gutter be set between face, the left end of described charge for remittance ditch be connected ditch connection, a left side for described collecting gutter
The middle part connection held and be connected ditch, the right-hand member of described collecting gutter is connected with tank, but this system existence storage rainfall is little, can
Coverage is little, and construction cost is high, is not suitable for farmland on a large scale and promotes the use of.
Therefore, can not get effective recycling, particularly knob farmland-use water difficulty, rainy season for current rainwater
Substantial amounts of rainwater can not get effectively utilizing, and runs off in vain, the problem causing water resource significant wastage, how to provide the one can be by
Major part rainwater-collecting, the method for recycling, become the technical problem that those skilled in the art are urgently to be resolved hurrily.
Summary of the invention
The present invention solves the problems referred to above of the prior art, propose a kind of simple in construction, installation, easy to maintenance and rainwater
Blood circulation is irrigated in the efficient farmland rain penetration that the response rate is high.
For achieving the above object, the present invention is by the following technical solutions:
The first aspect of the invention is to provide a kind of efficiently farmland rain penetration and irrigates blood circulation, and described system includes successively
The rainwater-collecting pipeline 1 of connection, precipitation hang dirty device 2, abandoned stream defecator 3, rainwater storage module 8 and rain water using device
12；Wherein, described rainwater-collecting pipeline 1 is arranged at farmland surface for collecting the rainwater collected in farmland；Described rainwater storage
Module 8 surrounding is all coated with geotextiles 6 and/or antiseepage film 7 so that described rainwater storage module 8 be positioned at described geotextiles 6 and/
Or in the closed area of antiseepage film 7 formation, described rainwater storage module 8 is provided with the well 10 of removing contamination connected with ground；Described rain
Water utilization apparatus 12 is connected with described rainwater storage module 8 by aqueduct 11.
Further, described rainwater storage module 8 is overlaid with mantle rock 5 and soil horizon 4.
Further, described rainwater-collecting pipeline 1 is multiple, uniform is connected with on farmland and with gutter；Described many
Individual rainwater collection collector is arranged in parallel.
Further, being equipped with dirt bed 9 bottom described rainwater storage module 8, described dirt bed 9 is yellow sand and cement pad
Layer；The discharge of monolayer rainwater storage module 8 need not yellow sand and cement bed course, as the degree of depth then can lay dirt bed more than more than 3 meters
9。
Further, described rainwater storage module 8 surrounding is all coated with antiseepage film 7, is being coated with the described rain of antiseepage film 7
Water stores module 8 upper surface and lays described geotextiles 6.
Further, one end that described aqueduct 11 connects with described rainwater storage module 8 is positioned at described rainwater storage
The medium position of module 8.
Further, described rainwater storage module 8 is made up of multiple storage elements being interconnected, described storage element material
Matter uses high impact modified pp material, and it has the advantages such as ageing-resistant, corrosion-resistant, length in service life, and easy for installation, suitable
Wide by scope.
Further, the volume of described storage element is 1000-1200mm × 900mm × 600mm；Preferably, described storage
The volume of memory cell is 1100mm × 900mm × 600mm, 1200mm × 600mm × 600mm.
Further, the effective soil water of the volume of described storage element is 0.2-0.5m3；Preferably, single described storage
The effective soil water of the volume of memory cell is 0.3-0.45m3；It is further preferable that the volume of single described storage element is effective
Moisture storage capacity is 0.4m3。
Further, in terms of the cumulative volume of described rainwater storage module 8,200-300m is built in every 100 mu of farmlands3Efficient agriculture
Blood circulation is irrigated in field rain penetration；Preferably, 270m is built in every 100 mu of farmlands3Efficient farmland rain penetration irrigate cyclic system
System.
Further, described rainwater-collecting pipeline 1, precipitation hang dirty device 2, abandoned stream defecator 3, storage device and rainwater
The connection pipeline between device 12 is utilized to be provided with controlled valve.
Further, the aqueduct 11 between described storage device and rain water using device 12 is additionally provided with water-delivery pump.
Further, described rainwater-collecting pipeline 1 is provided with drainage screen, and described drainage screen aperture is 1-20mm, described mistake
Filter screen is stainless steel.
Further, the rain penetration of described efficient farmland is irrigated and is used in parallel or in series by pipeline between blood circulation,
Concrete grammar is by parallel with one another by pipeline between the rainwater storage module 8 of multiple described cyclic utilization systems or series connection, to carry
The utilization ratio of high rainwater.
The second aspect of the invention is to provide the rain penetration of a kind of efficient farmland and irrigates the construction method of blood circulation, bag
Include following steps:
Step 1, excavates the groove for arranging rainwater storage module, compacting foundation；
Step 2, lays geotextiles and/or antiseepage film at bottom portion of groove and inwall, builds rainwater storage module；
Step 3, lays storm sewer, the dirty device of precipitation extension, abandoned stream defecator and rain water using device respectively, and passes through water delivery
Pipeline communication；
Step 4, arranges well of removing contamination in rainwater storage module, then uses geotextiles and/or antiseepage film parcel rainwater storage mould
Block；
Step 5, backfills the earthwork, lays mantle rock and soil horizon.
Further, the interface of described groove is ladder type or inverted ladder type structure, the folder of the domatic and horizontal plane of described groove
Angle is 45-90 °；Preferably, described ladder type is isosceles ladder type, and domatic is 60 ° with horizontal plane angle.
Further, first lay geotextiles at bottom portion of groove and inwall, then re-lay antiseepage film.
The present invention uses technique scheme, compared with prior art, has the following technical effect that
The efficient farmland rain penetration of the present invention irrigates circulating system structure simply, installs and easy to maintenance, it is not necessary to special
Construction technology and equipment, it is easy to popularization and application, do not have irrigation water when solving water-deficient area peasant planting high-efficiency and economic crop
Subject matter, develops the economy crop for locality and fruit-bearing forest industry provides condition, and owing to utilizing, rainwater is anhydrous when solving drought to be filled
Problem, so that it may improve industrial crops planting proportion, ensure industrial crops yield and quality, the most effectively maintain water
Soil, it is to avoid soil is washed away by rainfall, advantageously forms the production management planning of sustainable development, can increase peasant and receive
Enter, improve life of farmers, promote agricultural restructuring, be conducive to improving the ecological environment, there is good economy, ecological and social
Benefit；Additionally, use multiple cyclic utilization system to be connected by pipeline, after at one, rainwater storage module stores full rainwater, rain
Water can enter other and not collect full rainwater storage module continuation water-retention, convenient, practical, saving water resource, moreover it is possible to fundamentally
Solve flood problem.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram that blood circulation is irrigated in the rain penetration of a kind of efficient farmland of the present invention；
Wherein, 1-rainwater-collecting pipeline, 2-precipitation hangs dirty device, 3-abandoned stream defecator, 4-soil horizon, 5-mantle rock, 6-soil
Work cloth, 7-antiseepage film, 8-rainwater storage module, 9-ground layer, 10-removes contamination well, 11-aqueduct, 12-rain water using device.
Detailed description of the invention
Below by specific embodiment, the present invention is carried out detailed and concrete introduction, so that being better understood from the present invention,
But following embodiment is not limiting as the scope of the invention.
As it is shown in figure 1, embodiments provide a kind of efficiently farmland rain penetration to irrigate blood circulation, system includes
The rainwater-collecting pipeline 1, the precipitation that are sequentially communicated hang dirty device 2, abandoned stream defecator 3, rainwater storage module 8 and rainwater utilization dress
Put 12；Wherein, rainwater-collecting pipeline 1 is arranged at farmland surface for collecting the rainwater collected in farmland, described rainwater collection collector
Road 1 is multiple, uniform is connected with on farmland and with gutter；The plurality of rainwater collection collector is arranged in parallel；Rainwater storage mould
Block 8 surrounding is all coated with geotextiles 6 and/or antiseepage film 7 so that rainwater storage module 8 is positioned at geotextiles 6 and/or antiseepage film 7 shape
In the closed area become, rainwater storage module 8 is provided with the well 10 of removing contamination connected with ground, can carry out water quality by well 10 of removing contamination
Detection and system maintenance；Rain water using device 12 is connected with rainwater storage module 8 by aqueduct 11.
One aspect of the present embodiment, in rainwater storage module 8 overlaid with mantle rock 5 and soil horizon 4, for farming
The plantation of thing, improves farmland utilization rate.Being equipped with dirt bed 9 bottom rainwater storage module 8, preferably this dirt bed 9 is yellow sand
With cement bed course；The discharge of monolayer rainwater storage module 8 need not yellow sand and cement bed course, as the degree of depth then can spread more than more than 3 meters
If dirt bed 9.
One aspect of the present embodiment, rainwater storage module 8 surrounding is all coated with antiseepage film 7, is being coated with antiseepage film 7
Rainwater storage module 8 upper surface lays geotextiles 6.
One aspect of the present embodiment, for preventing rain water using device 12 in use aqueduct 11 because of rain water storage
The deposit of storing module 8 blocks, and one end that aqueduct 11 connects with rainwater storage module 8 is positioned at rainwater storage module
The medium position of 8, can effectively reduce the generation of rain water using device 12 fault.
The rainwater storage module 8 that this enforcement is used is made up of multiple storage elements being interconnected, storage element material
Using high impact modified pp material, wherein, the volume of storage element is 1000-1200mm × 900mm × 600mm；Preferably
Ground, the volume of storage element is 1100mm × 900mm × 600mm, 1200mm × 600mm × 600mm；The volume of storage element
Effective soil water is 0.2-0.5m3；Preferably, the effective soil water of the volume of single storage element is 0.3-0.45m3；The most excellent
Selection of land, the effective soil water of the volume of single storage element is 0.4m3.In terms of the cumulative volume of rainwater storage module 8, every 100 mu
200-300m is built in farmland3Efficient farmland rain penetration irrigate blood circulation；Preferably, 270m is built in every 100 mu of farmlands3Efficient
Blood circulation is irrigated in farmland rain penetration.
Additionally, hang dirty device 2, abandoned stream defecator 3, storage device and rainwater utilization dress in rainwater-collecting pipeline 1, precipitation
The connection pipeline put between 12 is provided with controlled valve；On aqueduct 11 between storage device and rain water using device 12 also
It is provided with water-delivery pump；Rainwater-collecting pipeline 1 is provided with drainage screen, and drainage screen aperture is 1-20mm, and drainage screen is stainless steel.
This efficient farmland rain penetration is irrigated and is used in parallel or in series by pipeline between blood circulation, and concrete grammar will be many
Or series connection parallel with one another by pipeline between the rainwater storage module 8 of individual cyclic utilization system, to improve the utilization ratio of rainwater.
The present embodiment additionally provides the rain penetration of a kind of efficient farmland and irrigates the construction method of blood circulation, including following step
Rapid:
Step 1, excavates the groove for arranging rainwater storage module, compacting foundation, pours ground layer；Monolayer discharge need not Huang
Sand, cement bed course, as the degree of depth can consider more than more than 3 meters；
Step 2, lays geotextiles and/or antiseepage film at bottom portion of groove and inwall, builds rainwater storage module；
Step 3, lays storm sewer, the dirty device of precipitation extension, abandoned stream defecator and rain water using device respectively, and passes through water delivery
Pipeline communication；
Step 4, arranges well of removing contamination in rainwater storage module, then uses geotextiles and/or antiseepage film parcel rainwater storage mould
Block；
Step 5, backfills the earthwork, lays mantle rock and soil horizon.
Wherein, the interface of groove is ladder type or inverted ladder type structure, and the angle of the domatic and horizontal plane of groove is 45-90 °；Excellent
Selection of land, ladder type is isosceles ladder type, and domatic is 60 ° with horizontal plane angle；Preferably, geotechnique is first laid at bottom portion of groove and inwall
Cloth, then re-lays antiseepage film.
Work process: when rainy, between farmland, rainwater enters rainwater-collecting pipeline by gutter, and is filtered by drainage screen
Except major part foreign material, after the rainwater catchment that rainwater-collecting pipeline is collected, pass sequentially through precipitation hang dirty device and abandoned stream defecator
Enter rainwater storage module after process, and be stored in this rainwater storage module；When rainfall is bigger, the storage of rainwater storage module is full
During rainwater, unnecessary can enter adjacent efficient farmland rain penetration and irrigate the rainwater storage module storage of blood circulation by rainwater, from
And it is effectively improved the utilization rate of rainwater, it is effectively prevented farmland initial rainwater pollutant and flows into rural trench, and then pollute river
The problem of the water environments such as stream；The rainwater stored can carry out field irrigation etc. by rain water using device.
Being described in detail the specific embodiment of the present invention above, but it is intended only as example, the present invention does not limit
It is formed on particular embodiments described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and
Substitute the most all among scope of the invention.Therefore, the impartial conversion made without departing from the spirit and scope of the invention and
Amendment, all should contain within the scope of the invention.
Claims (10)
1. blood circulation is irrigated in an efficient farmland rain penetration, it is characterised in that described system includes the rainwater being sequentially communicated
Collection conduit (1), precipitation hang dirty device (2), abandoned stream defecator (3), rainwater storage module (8) and rain water using device
(12)；Wherein, described rainwater-collecting pipeline (1) is arranged at farmland surface for collecting the rainwater collected in farmland；Described rainwater
Store module (8) surrounding and be all coated with geotextiles (6) and/or antiseepage film (7) so that described rainwater storage module (8) is positioned at institute
State geotextiles (6) and/or in closed area that antiseepage film (7) is formed, described rainwater storage module (8) is provided with and connects with ground
Well of removing contamination (10)；Described rain water using device (12) is connected with described rainwater storage module (8) by aqueduct (11).
Blood circulation is irrigated in efficient farmland the most according to claim 1 rain penetration, it is characterised in that described rainwater storage
Module (8) is overlaid with mantle rock (5) and soil horizon (4).
Blood circulation is irrigated in efficient farmland the most according to claim 1 rain penetration, it is characterised in that described rainwater storage
Module (8) bottom is equipped with dirt bed (9).
Blood circulation is irrigated in efficient farmland the most according to claim 1 rain penetration, it is characterised in that described rainwater storage
Module (8) surrounding is all coated with antiseepage film (7), lays at described rainwater storage module (8) upper surface being coated with antiseepage film (7)
Described geotextiles (6).
Blood circulation is irrigated in efficient farmland the most according to claim 1 rain penetration, it is characterised in that described aqueduct
(11) one end connected with described rainwater storage module (8) is positioned at the medium position of described rainwater storage module (8).
Blood circulation is irrigated in efficient farmland the most according to claim 1 rain penetration, it is characterised in that described rainwater storage
Module (8) is made up of multiple storage elements being interconnected, and described storage element material uses high impact modified pp material.
Blood circulation is irrigated in efficient farmland the most according to claim 6 rain penetration, it is characterised in that described storage element
Volume be (1000-1200) mm × 900mm × 600mm, 1200mm × 600mm × 600mm.
Blood circulation is irrigated in efficient farmland the most according to claim 6 rain penetration, it is characterised in that described storage element
The effective soil water of volume be 0.2-0.5m3。
Blood circulation is irrigated in efficient farmland the most according to claim 6 rain penetration, it is characterised in that with described rain water storage
The cumulative volume meter of storing module (8), 200-300m is built in every 100 mu of farmlands3Efficient farmland rain penetration irrigate blood circulation.
10. a construction method for blood circulation is irrigated in the efficient farmland rain penetration as described in any one of claim 1-9, its
It is characterised by, comprises the following steps:
Step 1, excavates the groove for arranging rainwater storage module, compacting foundation；
Step 2, lays geotextiles and/or antiseepage film at bottom portion of groove and inwall, builds rainwater storage module；
Step 3, lays storm sewer, the dirty device of precipitation extension, abandoned stream defecator and rain water using device respectively, and passes through water delivery
Pipeline communication；
Step 4, arranges well of removing contamination in rainwater storage module, then uses geotextiles and/or antiseepage film parcel rainwater storage mould
Block；
Step 5, backfills the earthwork, lays mantle rock and soil horizon.
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| CN201610722419.7A CN106149800A (en) | 2016-08-25 | 2016-08-25 | Blood circulation is irrigated in a kind of efficiently farmland rain penetration |
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| CN107859152A (en) * | 2017-11-15 | 2018-03-30 | 丹阳市三木果业有限公司 | A kind of orchard sewage disposal system |
| CN111657105A (en) * | 2020-06-15 | 2020-09-15 | 殷素英 | Irrigation and drainage mechanical equipment for modern agriculture |
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| 《四川建材》 * |
| 《福建建设科技》 * |
| 《给水排水工程》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759646A (en) * | 2016-12-14 | 2017-05-31 | 浙江建设职业技术学院 | A kind of sponge urban pavement rain water collecting system and installation method |
| CN107859152A (en) * | 2017-11-15 | 2018-03-30 | 丹阳市三木果业有限公司 | A kind of orchard sewage disposal system |
| CN111657105A (en) * | 2020-06-15 | 2020-09-15 | 殷素英 | Irrigation and drainage mechanical equipment for modern agriculture |
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