CN104196005B - A kind of anticlogging aquifer recharge device - Google Patents
A kind of anticlogging aquifer recharge device Download PDFInfo
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- CN104196005B CN104196005B CN201410423788.7A CN201410423788A CN104196005B CN 104196005 B CN104196005 B CN 104196005B CN 201410423788 A CN201410423788 A CN 201410423788A CN 104196005 B CN104196005 B CN 104196005B
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- Prior art keywords
- filter pipe
- anticlogging
- aquifer recharge
- recharge device
- geotextiles
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Abstract
The invention discloses a kind of aquifer recharge device of high efficient block, belong to aquifer recharge and technical field of groundwater artificial recharge.This device comprises irrigation canals and ditches (1), along several drainage Accrete clearing devices (2) of irrigation canals and ditches (1) vertical distribution, each drainage Accrete clearing device (2) comprises the underground filter pipe (4) that pre-filtering device (3), rearmounted desilting well (5) and for being communicated with pre-filtering device (3) and rearmounted desilting well (5) one are densely covered with limbers; Pre-filtering device (3) is arranged on the bottom of irrigation canals and ditches (1), and rearmounted desilting well (5) is positioned at the other end of filter pipe (4).The present invention has that project organization is simple, and take up little room, recharge groundwater efficiency is high, does not consume energy, easy construction, and cost is low waits remarkable advantage.
Description
Technical field
The present invention relates to aquifer recharge and technical field of groundwater artificial recharge, be specifically related to a kind of anticlogging aquifer recharge device.
Background technology
Northern Part of China shortage of water resources, underground water plays vital effect to agricultural and urban water supply, but due to agricultural and city superposition water, groundwater mining, causes large area groundwater depression cone and caused various the problems of geo-environment.There are being unnecessary flood and the area of drawing foreign water, are being increase groundwater resources amount, occurred the aquifer recharge technical measures such as ground sweat (ditch, canal, basin etc.) and well water filling supply.Although but the investment of ditch, canal, basin infiltration supply technology is less, effective, floor space is large, and affects mechanization of agriculture, and at the northern area of per capita cultivated land's anxiety, development is restricted; Although it is high that efficiency is infiltrated in well water filling supply, easily produce blocking, and water quality grade controls difficult, effect and system life cycle are recharged in impact, and this is the reason that multiple aquifer recharge technology could not be widely used.
Efficiency is recharged in order to solve, Chinese patent CN201210003853 application discloses that a kind of groundwater recharge urgees infiltration method, on high osmosis soil layer, hand digging is built and is recharged pond, recharging in pond filling coarse sand as anti-filter backfill, and by adding stack and air extractor, when carrying out artificial groundwater recharge, the average infiltration rate of recharge well can be improved 4-5 doubly.Blockage problem is recharged for solving, Chinese patent CN201120432424 application discloses that a kind of for preventing the device of blockage of underground water recharge well, be connected with desander by multistage pipeline, cross box, solve the problem that blocking of recharge well causes the individual well water yield to fill with fewer and fewer.But above-mentioned two kinds of technology all solve to recharge recharges efficiency, blocking and energy consumption problem in process simultaneously.
Summary of the invention
For overcoming the deficiency of above-mentioned technology, the invention provides a kind of aquifer recharge device of high efficient block.Recharge groundwater of the present invention has and does not take up an area, and it is high to recharge efficiency, and cost phase double well reinjection is low, does not consume energy, and filter pipe such as not easily to block at the remarkable advantage.
The present invention is by the following technical solutions:
A kind of anticlogging aquifer recharge device, comprise irrigation canals and ditches (1), it is characterized in that, also include several drainage Accrete clearing devices (2) along irrigation canals and ditches (1) vertical distribution, each drainage Accrete clearing device (2) comprises the underground filter pipe (4) that pre-filtering device (3), rearmounted desilting well (5) and for being communicated with pre-filtering device (3) and rearmounted desilting well (5) one are densely covered with limbers; Pre-filtering device (3) is arranged on the bottom of irrigation canals and ditches (1), and rearmounted desilting well (5) is positioned at the other end of underground filter pipe (4).
Described pre-filtering device (3) is from top to bottom successively by geotextiles a(6), filtrate (7), supporting layer (8), waterflooding space (9) and base (10) form; Described geotextiles a(6) be laid in filtrate (7) surface; Described filtrate (7) is laid in supporting layer (8) surface; (8) have aperture to described supporting layer; Described waterflooding space (9) is connected with underground filter pipe (4).
Described underground filter pipe (4) has circle or rectangle treatment hole (13), is surrounded by geotextiles b(11 outside body), be covered with coarse sand (12) at the bottom of pipe.
Described treatment hole (13) is circular, its aperture
d 0=(2-5)
d 50, pitch of holes
l 0=(1-1.5)
d 50, wherein
d 0for Circularhole diameter,
l 0for circular hole pitch of holes,
d 50for the largest particles diameter when filter pipe position ground sample screening weight adds up to be 50%.
Described underground filter pipe (4) gradient is 1/600-1/300.
Described filtrate (7) particle diameter
d 50=(6-8)
d 50, wherein
d 50for in filtrate screening sample particle composition, weight of sieving add up be 50% the largest particles diameter,
d 50for source cement sand grain weight accounts for the largest particles diameter of 50%.
Height H=(1 ~ 3) D of described waterflooding space (9), wherein D is the diameter of underground filter pipe (4); Described base (10) is piled up by brick and is formed, and is highly 0.5-1m.
Described supporting layer (8) is poly (methyl methacrylate) plate; Described geotextiles a(6) specification is 200-400g/m
2.
Described underground filter pipe (4) is double wall corrugated high-density polyethylene pipes; Described geotextiles b(11) specification be 200-400g/m
2.
The thickness of described coarse sand (12) is 10-20cm; The buried depth of described underground filter pipe (4) is lower than maximum underground water hollow billet lifting height;
The buried depth of described underground filter pipe (4) is 2-4m.
The invention has the beneficial effects as follows:
The present invention can by the water rapid recharge in irrigation canals and ditches to underground, and adopts ingress filtering technology, the body gradient to arrange and rearmounted desilting well three road measure, prevents the generation of clogging in the process of recharging to a great extent, and it is high to recharge efficiency; In addition, when groundwater table raises, underground filter pipe can also carry out draining as gutter.Project organization of the present invention is simple, takes up little room, does not consume energy, easy construction, and cost is low.
Accompanying drawing explanation
Fig. 1 is structural profile schematic diagram of the present invention.
Fig. 2 is engineering plan of the present invention.
In figure, 1. irrigation canals and ditches 2. drainage Accrete clearing device 3. pre-filtering device 4. underground filter pipe 5. rearmounted desilting well 6. geotextiles a7. filtrate 8. supporting layer 9. waterflooding space 10. base 11. geotextiles b12. coarse sand 13. treatment hole.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further details.
Embodiment 1
A kind of aquifer recharge device of high efficient block, comprise irrigation canals and ditches (1), along several drainage Accrete clearing devices (2) of irrigation canals and ditches (1) vertical distribution, each drainage Accrete clearing device (2) comprises the underground filter pipe (4) that pre-filtering device (3), rearmounted desilting well (5) and for being communicated with pre-filtering device (3) and rearmounted desilting well (5) one are densely covered with limbers; Pre-filtering device (3) is arranged on the bottom of irrigation canals and ditches (1), and rearmounted desilting well (5) is positioned at the other end of underground filter pipe (4).
Pre-filtering device (3) is from top to bottom successively by geotextiles a(6), filtrate (7), the supporting layer (8) having hole, waterflooding space (9) and base (10) form; Geotextiles a(6) be laid in filtrate (7) surface; Filtrate (7) is laid in supporting layer (8) surface; (8) have aperture to supporting layer; Waterflooding space (9) is connected with underground filter pipe (4).Underground filter pipe (4) has circular treatment hole (13), is surrounded by geotextiles b(11 outside body), be covered with coarse sand (12) at the bottom of pipe.
Wherein, circular treatment hole (13) aperture
d 0=2
d 50, pitch of holes
l 0=
d 0, wherein
d 0for Circularhole diameter,
l 0for circular hole pitch of holes,
d 50for the largest particles diameter when filter pipe position ground sample screening weight adds up to be 50%.Filtrate (7) particle diameter
d 50=6
d 50, wherein
d 50for in filtrate screening sample particle composition, weight of sieving add up be 50% the largest particles diameter,
d 50for source cement sand grain weight accounts for the largest particles diameter of 50%.
Underground filter pipe (4) gradient is set to 1/400; Height H=the D in waterflooding space (9), wherein D is the diameter of underground filter pipe (4); Base (10) is highly 1m; Geotextiles a(6) specification is 200g/m
2; Geotextiles b(11) specification be 200g/m
2; The thickness of coarse sand (12) is 10cm; The buried depth of underground filter pipe (4) is 2m.
Embodiment 2
An aquifer recharge device for high efficient block, its structure composition is with embodiment 1.
Wherein, circular treatment hole (13) aperture
d 0=3
d 50, pitch of holes
l 0=1.2
d 0, wherein
d 0for Circularhole diameter,
l 0for circular hole pitch of holes,
d 50for the largest particles diameter when filter pipe position ground sample screening weight adds up to be 50%.Filtrate (7) particle diameter
d 50=7
d 50, wherein
d 50for in filtrate screening sample particle composition, weight of sieving add up be 50% the largest particles diameter,
d 50for source cement sand grain weight accounts for the largest particles diameter of 50%.Underground filter pipe (4) gradient is set to 1/500; Height H=the 2D in waterflooding space (9), wherein D is the diameter of underground filter pipe (4); Base (10) is highly 0.7m; Geotextiles a(6) specification is 400g/m
2; Geotextiles b(11) specification be 200g/m
2; The thickness of coarse sand (12) is 15cm; The near-earth planar ends buried depth of underground filter pipe (4) is 3m.
Embodiment 3
An aquifer recharge device for high efficient block, its structure composition is with embodiment 1.
Wherein, circular treatment hole (13) aperture
d 0=5
d 50, pitch of holes
l 0=1.5
d 0, wherein
d 0for Circularhole diameter,
l 0for circular hole pitch of holes,
d 50for the largest particles diameter when filter pipe position ground sample screening weight adds up to be 50%.Filtrate (7) particle diameter
d 50=8
d 50, wherein
d 50for in filtrate screening sample particle composition, weight of sieving add up be 50% the largest particles diameter,
d 50for source cement sand grain weight accounts for the largest particles diameter of 50%.Underground filter pipe (4) gradient is set to 1/600; Height H=the 7D in waterflooding space (9), wherein D is the diameter of underground filter pipe (4); Base (10) is highly 0.5m; Geotextiles a(6) specification is 400g/m
2; Geotextiles b(11) specification be 400g/m
2; The thickness of coarse sand (12) is 20cm; The buried depth of underground filter pipe (4) is 4m.
In the present invention, base (10) according to pipe buried depth, can adjust its height, not only supports pre-filtering device (3), also serve the effect of pipe bank protection.Underground filter pipe (4) not only seepage recharge groundwater, also plays the effect of water delivery, simultaneously also as the passage of sediment transport.Rearmounted desilting well (5) not only receivability deposits the silt carried by filter pipe, artificial pumping can also keep certain water-head, current scour is made to fall the silt of filter pipe tube wall deposition, and deposit to shaft bottom, timing cleaning, effectively prevent silt to the blocking of filter pipe, and filter pipe can be interconnected to pipe network, effectively raise groundwater recharge supply effect, expand groundwater recharge scope.Above-mentioned result of the test shows, in the middle of using 1 year of the present invention continuously, recharge efficiency continous-stable and keep higher level, do not monitor stopping state, this has fully demonstrated the present invention, and to recharge efficiency high, the not susceptible to plugging distinguishing feature of water-supply-pipe, and structure of the present invention is simple, take up an area few, cost is low, does not consume energy.
Below be only the preferred embodiment of the present invention, it should be pointed out that for this area researcher, under the premise of not departing from the present invention, can make some improvement, these improvement all belong to protection scope of the present invention.
Claims (10)
1. an anticlogging aquifer recharge device, comprise irrigation canals and ditches (1), it is characterized in that, also include several drainage Accrete clearing devices (2) along irrigation canals and ditches (1) vertical distribution, each drainage Accrete clearing device (2) comprises the underground filter pipe (4) that pre-filtering device (3), rearmounted desilting well (5) and for being communicated with pre-filtering device (3) and rearmounted desilting well (5) one are densely covered with limbers; Pre-filtering device (3) is arranged on the bottom of irrigation canals and ditches (1), and rearmounted desilting well (5) is positioned at the other end of underground filter pipe (4).
2. anticlogging aquifer recharge device according to claim 1, is characterized in that, pre-filtering device (3) is from top to bottom successively by geotextiles a(6), filtrate (7), supporting layer (8), waterflooding space (9) and base (10) form; Described geotextiles a(6) be laid in filtrate (7) surface; Described filtrate (7) is laid in supporting layer (8) surface; (8) have aperture to described supporting layer; Described waterflooding space (9) is connected with underground filter pipe (4).
3. anticlogging aquifer recharge device according to claim 1 and 2, is characterized in that, described underground filter pipe (4) has circle or rectangle treatment hole (13), is surrounded by geotextiles b(11 outside body), be covered with coarse sand (12) at the bottom of pipe.
4. anticlogging aquifer recharge device according to claim 3, is characterized in that, described treatment hole (13) is circular, its aperture
d 0=(2-5)
d 50, pitch of holes
l 0=(1-1.5)
d 50, wherein
d 0for Circularhole diameter,
l 0for circular hole pitch of holes,
d 50for the largest particles diameter when filter pipe position ground sample screening weight adds up to be 50%.
5. anticlogging aquifer recharge device according to claim 4, is characterized in that, described underground filter pipe (4) gradient is 1/600-1/300.
6. anticlogging aquifer recharge device according to claim 2, is characterized in that, described filtrate (7) particle diameter
d 50=(6-8)
d 50, wherein
d 50for in filtrate screening sample particle composition, weight of sieving add up be 50% the largest particles diameter,
d 50for source cement sand grain weight accounts for the largest particles diameter of 50%.
7. anticlogging aquifer recharge device according to claim 2, is characterized in that, height H=(1 ~ 3) D of described waterflooding space (9), and wherein D is the diameter of underground filter pipe (4); Described base (10) is piled up by brick and is formed, and is highly 0.5-1m.
8. anticlogging aquifer recharge device according to claim 2, is characterized in that, described supporting layer (8) is poly (methyl methacrylate) plate; Described geotextiles a(6) specification is 200-400g/m
2.
9. anticlogging aquifer recharge device according to claim 3, is characterized in that, described underground filter pipe (4) is double wall corrugated high-density polyethylene pipes; Described geotextiles b(11) specification be 200-400g/m
2.
10. anticlogging aquifer recharge device according to claim 3, is characterized in that, the thickness of described coarse sand (12) is 10-20cm; The buried depth of described underground filter pipe (4) is 2-4m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410423788.7A CN104196005B (en) | 2014-08-26 | 2014-08-26 | A kind of anticlogging aquifer recharge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410423788.7A CN104196005B (en) | 2014-08-26 | 2014-08-26 | A kind of anticlogging aquifer recharge device |
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| CN104196005A CN104196005A (en) | 2014-12-10 |
| CN104196005B true CN104196005B (en) | 2016-04-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106522306A (en) * | 2016-12-17 | 2017-03-22 | 山东省水利科学研究院 | Riverside underground water recharging system with composite functions of charging and pumping |
| CN107098492A (en) * | 2017-05-04 | 2017-08-29 | 中国二十冶集团有限公司 | Water treatment facilities and its application method |
| CN109183720B (en) * | 2018-09-14 | 2019-06-18 | 济南大学 | A kind of irrigation canals and ditches anti-clogging recharge filter device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2895426B1 (en) * | 2005-12-23 | 2010-02-26 | Lyonnaise Eaux France | METHOD AND INSTALLATION FOR OPERATING GROUNDWATER |
| CN202324156U (en) * | 2011-12-07 | 2012-07-11 | 北京建筑工程学院 | Rainwater gravel ecological drainage system for tile roof |
| CN103541347B (en) * | 2013-11-06 | 2015-08-12 | 吉林大学 | Based on artificial groundwater recharge's suspended particle clogging administering method of current recycled back |
| CN203701255U (en) * | 2014-01-28 | 2014-07-09 | 江苏建筑职业技术学院 | Device for collecting rainwater on road to supplement underground water |
| CN204139151U (en) * | 2014-08-26 | 2015-02-04 | 济南大学 | A kind of aquifer recharge device of high efficient block |
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Granted publication date: 20160413 Termination date: 20200826 |