CN106351286A - Coral reef sand underground freshwater reserving and using method - Google Patents
Coral reef sand underground freshwater reserving and using method Download PDFInfo
- Publication number
- CN106351286A CN106351286A CN201610903794.1A CN201610903794A CN106351286A CN 106351286 A CN106351286 A CN 106351286A CN 201610903794 A CN201610903794 A CN 201610903794A CN 106351286 A CN106351286 A CN 106351286A
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- Prior art keywords
- water
- sump
- coral reef
- water collecting
- sand
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Classifications
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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
-
- 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
- E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
- E03B3/08—Obtaining and confining water by means of wells
-
- 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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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sewage (AREA)
Abstract
The invention discloses a coral reef sand underground freshwater reserving and using method. A plurality of water collecting wells and a water supply system are buried in filling soil surrounding a coral reef, the water collecting wells are circular or square, holes are uniformly distributed in side walls of the water collecting wells, a top cover provided with a water discharging hole is arranged at the top of each water collecting well, the water collecting wells are used to collect rainwater and convey the collected rainwater to required positions through the water supply system, a composite geomembrane is laid underwater to isolate external seawater, a sloped water collecting road surface can collect the rainwater into the water collecting wells, and the rainwater spreads towards peripheries of the water collecting wells through the holes arranged in the side walls of the water collecting wells, so as to gradually form a freshwater region. The coral reef sand underground freshwater reserving and using method disclosed by the invention can solve the problem on supplying water to an island neighboring to the coral reef, without occupying any land for production or living on the island, water infrastructure construction is combined with marine reclamation land, normal operation of the water supply system can be maintained after the construction, without consuming additional energy sources or human/material resources, and the coral reef sand underground freshwater reserving and using method has a good economic effect compared with existing freshwater resource supplies.
Description
Technical field
The invention belongs to municipal works field, it is related to a kind of fresh groundwater preservation and using method, particularly to a kind of coral
Coral reef sand fresh groundwater preservation and using method..
Background technology
Island is because, compared with same latitude Continental Area, greatly and topography and geomorphology is special for little precipitation, evaporation, thus available
Run-off is few, and ground water reserve condition is poor, utilization is difficult.The water supply on island is supplied water essentially from conventional source water, continent is drawn
Water and unconventional water source water supply three parts.Conventional source water includes surface water and groundwater, for land-based area area is less, topography and geomorphology
The island of complicated or drought, rainwash short and small even without earth's surface water supply then cannot ensure；And the environment on island
Hydrogeologic condition is fragile, is difficult to be supplemented it is impossible to as long-term drink water source after mining of groundwater.Continent diversion is subject to region
Condition limits, persistently consumes manpower and materials, and the unconventional water source such as desalinization water then needs to consume mass energy.
China Nanhai area is just carrying out large-scale hydraulic reclamation and is making island construction, and these island are all Corallium Japonicum Kishinouye barrier islands, coral sand
Permeability is high, poor water retention property, and rainwater can not be retained.And fresh water is to produce on islands and reefs, live and must use water, if passed through from continent
Ship transports fresh water, high cost, and water resource quantity is limited.
Content of the invention
Present invention aim to address away from continent and the freshwater resources supply problem on island that cannot retain of rainwater, providing
A kind of coral reef sand fresh groundwater preservation and using method.
Employed technical scheme comprise that such for realizing the object of the invention, a kind of coral reef sand fresh groundwater preservation and making
With method it is characterised in that comprising the following steps:
1) put down to carrying out place under water around coral reef according to projected depth and scope using diver or underwater robot
Whole, form gathering ground construction domain.
It is provided with box-type suction foundation breakwater, box-type suction foundation breakwater surrounds described construction domain around coral reef.
2) lay two-layer compound geomembrane under water in construction area.Former coral reef is fixed in described composite geo-membrane one end
On, one end is then fixed on box-type suction foundation breakwater.
3) one layer of calcareous sand of hydraulic reclamation on the two-layer compound geomembrane of laying.
4) several sumps prefabricated.Described sump is a ducted body.The top of described sump is provided with well lid.Institute
The upper table stating well lid is towards central concave.The center of described well lid is towards internal spilled water hole.The side wall of sump and bottom
It is respectively provided with hole, in hole, fill the material of hypotonicity.
Lay several prefabricated sumps around former coral reef edge.These sumps are placed on the ground floor calcareous sand of hydraulic reclamation
On, sump top exceeds sea level,
5) continue hydraulic reclamation calcareous sand, so that sump is imbedded in calcareous sand.The top surface of calcareous layer of sand forms ground.Ground level
Top cover less than sump.
6) road surface is laid on described ground.Pavement-height is higher than the top cover of sump.
7) water supply system is set.Described water supply system includes some vertical drinking-water pipes and drinking-water pipe, and pump house and defeated
Water pipe.Some drinking-water pipes all access water-supply-pipe.The lower end of each vertical drinking-water pipe is all inserted from the spilled water hole of a sump
In sump.Drinking-water pipe is all accessed in the upper end of each vertical drinking-water pipe.
8), after raining, rainwater penetrates into sump by earth's surface, after the water level in sump exceeds level of ground water, collection
Fresh water in well passes through sump side wall and the hole of bottom surface permeates in calcareous sand around, squeezes sea water, makes close catchmenting
Subsoil water around well is gradually desalinated.
9) permeate and exclusion process through long, the water body around whole coral island gradually becomes fresh water.
10) when needing to use water, with connecting water pump groundwater abstraction use from sump of water-supply-pipe..
The present invention can solve the problems, such as the fresh water adjacent to island for the coral reef, be not take up island productive life land used, by base again
Infrastructure construction is filled out marine facies and is combined with blowing sand, and does not need to consume the extra energy or manpower and materials just can maintain normal fortune after building up
Turn, compared with existing freshwater resources method of supplying, there are good economic benefits.And sump can catchment and energy water-retention, can protect
Hold the balance of freshwater resources development and utilization, away from the continent and no long run supply of the island freshwater resources of rainwash has
Have great advantage.The present invention cannot be only used for case above, on the island that there is rainwash, is alternatively arranged as surface fresh water supply
Supplement, or even coral reef surrounding seawater can be desalinated, make the calcareous sand of hydraulic reclamation be suitable to plant, and the subsoil water collected also can use
In irrigation.
Brief description
Fig. 1 catchments gang of wells radial cutaway view
Fig. 2 catchments gang of wells tangentially oriented cross section
Fig. 3 sump profile
Fig. 4 sump horizontal layout Fig. 1
Fig. 5 sump horizontal layout Fig. 2.
In figure: coral reef 1, road surface 2, box-type suction foundation breakwater 3, drinking-water pipe 4, vertical drinking-water pipe 401, sump 5, well
Lid 501, spilled water hole 5011, geomembrane 6, water pump 7.
Specific embodiment
With reference to embodiment, the invention will be further described, but only should not be construed the above-mentioned subject area of the present invention
It is limited to following embodiments.Without departing from the idea case in the present invention described above, according to ordinary skill knowledge and used
With means, make various replacements and change, all should include within the scope of the present invention.
A kind of coral reef sand fresh groundwater preservation and using method, comprise the following steps:
1) referring to Fig. 1, water is carried out according to projected depth and scope to around coral reef 1 using diver or underwater robot
Lower levelling of the land, forms gathering ground construction domain.
It is provided with box-type suction foundation breakwater 3, box-type suction foundation breakwater 3 surrounds described construction domain around coral reef 1.
2) lay two-layer compound geomembrane 6 under water in construction area.Former coral reef is fixed in described composite geo-membrane 6 one end
On 1, one end is then fixed on box-type suction foundation breakwater 3.
3) one layer of calcareous sand of hydraulic reclamation on the two-layer compound geomembrane 6 of laying.
4) several sumps 5 prefabricated.Sump 5 is prefabricated by factory's unification, as shown in figure 3, described sump 5 is in one
Empty body.The top of described sump 5 is provided with well lid 501.The upper table of described well lid 501 is towards central concave.I.e. in the middle of top cover
Low, surrounding is high, and the gradient is 4%, both can guarantee that hydrops efficiency using this top cover, can reduce fresh water evaporation moreover it is possible to convenient construction again
And maintenance.The center of described well lid 501 is towards internal spilled water hole 5011.Spilled water hole 5011 is used for inserting vertical drinking-water pipe,
Make the water in sump can be transported to the position of needs.The side wall of sump 5 and bottom even setting hole, fill in hole
The material of the hypotonicities such as clay.The rainwater collected in sump is enable to ooze out, the sea water around desalination.
Around former coral reef 1 along laying several prefabricated sumps 5.These sumps 5 are placed on the ground floor calcium of hydraulic reclamation
On matter sand, sump 5 top exceeds sea level,
In embodiment, these sumps 5 can be distributed in as shown in Figure 4 on two circumference of coral reef 1；Can also
It is distributed in coral reef 1 as shown in Figure 5 around, and distribution (6 row, 6 row) in lattice-like.
5) continue hydraulic reclamation calcareous sand, so that sump 5 is imbedded in calcareous sand.The top surface of calcareous layer of sand forms ground.Ground is high
Degree is less than the top cover 501 of sump 5.Preferably, for preventing line clogging from avoiding particulate matter to enter impact water quality simultaneously, vertically take out
Filter screen should be installed in water pipe lower end.Vertically drinking-water pipe and the connection of horizontal drinking-water pipe are preferably detachable, are easy to remove sump top cover
Periodic cleaning and maintenance are carried out to sump.
6) road surface is laid on described ground.Pavement-height is higher than the top cover 501 of sump 5.In embodiment, can be using use
The little material of the permeabilitys such as clay, Colophonium or cement mortar carries out looking for slope on hydraulic reclamation road surface, and the gradient is 4%.
7) water supply system is set.Described water supply system includes some vertical drinking-water pipes 401 and drinking-water pipe 4, and pump house
And water-supply-pipe.Some drinking-water pipes 4 all access water-supply-pipe.Lower end all letting out from a sump 5 of each vertical drinking-water pipe 401
In water hole 5011 insertion sump 5.Drinking-water pipe 4 is all accessed in the upper end of each vertical drinking-water pipe 401.
8), after raining, rainwater penetrates into sump 5 by earth's surface, after the water level in sump 5 exceeds level of ground water,
Fresh water in sump 5 passes through sump side wall and the hole 502 of bottom surface permeates in calcareous sand around, squeezes sea water, makes to lean on
Subsoil water around nearly sump is gradually desalinated.
9) permeate and exclusion process through long, the water body around whole coral island gradually becomes fresh water.
10) when needing to use water, with connecting water pump 7 groundwater abstraction use from sump 5 of water-supply-pipe..
Claims (3)
1. a kind of coral reef sand fresh groundwater preservation and using method are it is characterised in that comprise the following steps:
1) diver or underwater robot is adopted to carry out place under water according to projected depth and scope to around described coral reef (1)
Smooth, form gathering ground construction domain；
It is provided with box-type suction foundation breakwater (3), box-type suction foundation breakwater (3) surrounds described construction domain around coral reef (1).
2) lay two-layer compound geomembrane (6) under water in construction area；Former coral reef is fixed in described composite geo-membrane (6) one end
(1), on, one end is then fixed on box-type suction foundation breakwater (3)；
3) in upper one layer of calcareous sand of hydraulic reclamation of two-layer compound geomembrane (6) of laying；
4) prefabricated several sumps (5)；Described sump (5) is a ducted body；The top of described sump (5) is provided with well
Lid (501)；The upper table of described well lid (501) is towards central concave；The center of described well lid (501) is towards internal spilled water hole
(5011)；The side wall of sump (5) and bottom are respectively provided with hole, fill low permeability material in hole；
Lay several prefabricated sumps (5) around former coral reef (1) edge；These sumps (5) are placed on the ground floor of hydraulic reclamation
On calcareous sand, sump (5) top exceeds sea level,
5) continue hydraulic reclamation calcareous sand, so that sump (5) is imbedded in calcareous sand；The top surface of calcareous layer of sand forms ground；Ground level
Top cover (501) less than sump (5).
6) road surface is laid on described ground；Pavement-height is higher than the top cover (501) of sump (5)；
7) water supply system is set；Described water supply system includes some vertical drinking-water pipes (401) and drinking-water pipe (4), and pump house
And water-supply-pipe；Some drinking-water pipes (4) all access water-supply-pipe；The lower end of each vertical drinking-water pipe (401) is all from a sump
(5) in spilled water hole (5011) insertion sump (5)；Drinking-water pipe (4) is all accessed in the upper end of each vertical drinking-water pipe (401)；
8), after raining, rainwater penetrates into sump (5) by earth's surface, after the water level in sump (5) exceeds level of ground water,
Fresh water in sump (5) passes through sump side wall and the hole (502) of bottom surface permeates in calcareous sand around, squeezes sea water,
The subsoil water around sump is made gradually to desalinate；
9) permeate and exclusion process through long, the water body around whole coral island gradually becomes fresh water.
10) when needing to use water, with connecting water pump (7) groundwater abstraction use from sump (5) of water-supply-pipe.
2. a kind of coral reef sand fresh groundwater preservation according to claim 1 and using method it is characterised in that: described
Several sumps (5) are distributed on the plural circumference of coral reef (1).
3. a kind of coral reef sand fresh groundwater preservation according to claim 1 and using method it is characterised in that: described
Several sumps (5) are distributed in coral reef (1) around, and the distribution in lattice-like.
Coral reef (1), road surface (2), box-type suction foundation breakwater (3), drinking-water pipe (4), vertical drinking-water pipe (401), sump
(5), well lid (501), spilled water hole (5011), geomembrane (6), water pump (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610903794.1A CN106351286A (en) | 2016-10-17 | 2016-10-17 | Coral reef sand underground freshwater reserving and using method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610903794.1A CN106351286A (en) | 2016-10-17 | 2016-10-17 | Coral reef sand underground freshwater reserving and using method |
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| CN106351286A true CN106351286A (en) | 2017-01-25 |
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| CN201610903794.1A Pending CN106351286A (en) | 2016-10-17 | 2016-10-17 | Coral reef sand underground freshwater reserving and using method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741442A (en) * | 2017-10-19 | 2018-02-27 | 中国水利水电科学研究院 | Islands and reefs fresh groundwater analogue means and method |
| CN108086242A (en) * | 2017-12-07 | 2018-05-29 | 大连久鼎生态流域治理开发有限公司 | The Water Cube combines the groundwater reservoir that artificial water-bearing layer is formed |
| CN109932497A (en) * | 2019-03-29 | 2019-06-25 | 中国科学院武汉岩土力学研究所 | A kind of coral skerries underground water desalination Experimental mimic system and method |
| CN110468775A (en) * | 2019-08-30 | 2019-11-19 | 天津大学 | A kind of shallow sea reservoir realizing ocean hydrospace and utilizing |
| WO2020098727A1 (en) * | 2018-11-16 | 2020-05-22 | 卫振海 | Method for constructing underground fresh water collection facility on coral island and reef |
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| JPH10331140A (en) * | 1997-05-30 | 1998-12-15 | Maeda Corp | Marine structure with fresh water collecting facility |
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| CN1718946A (en) * | 2005-06-09 | 2006-01-11 | 大连久鼎特种建筑工程有限公司 | Underground submerged interception for preventing sea water from invasion and water collection method |
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| JP2013117167A (en) * | 2013-03-22 | 2013-06-13 | Taisei Corp | Freshwater storage system |
| CN104847010A (en) * | 2015-03-23 | 2015-08-19 | 重庆大学 | Urban miniature underground reservoir and construction method |
| CN105696646A (en) * | 2016-03-31 | 2016-06-22 | 大连久鼎祥瑞特种工程技术研究院有限公司 | Underground reservoir technique |
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2016
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Patent Citations (7)
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| JPH10331140A (en) * | 1997-05-30 | 1998-12-15 | Maeda Corp | Marine structure with fresh water collecting facility |
| CN1474000A (en) * | 2003-07-11 | 2004-02-11 | 重庆渗滤取水工程有限公司 | Percolation water intaking method of new engineering structure |
| CN1718946A (en) * | 2005-06-09 | 2006-01-11 | 大连久鼎特种建筑工程有限公司 | Underground submerged interception for preventing sea water from invasion and water collection method |
| CN201567608U (en) * | 2009-10-13 | 2010-09-01 | 中国石油天然气股份有限公司 | Artificial island fire-fighting water intake well structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741442A (en) * | 2017-10-19 | 2018-02-27 | 中国水利水电科学研究院 | Islands and reefs fresh groundwater analogue means and method |
| CN108086242A (en) * | 2017-12-07 | 2018-05-29 | 大连久鼎生态流域治理开发有限公司 | The Water Cube combines the groundwater reservoir that artificial water-bearing layer is formed |
| WO2020098727A1 (en) * | 2018-11-16 | 2020-05-22 | 卫振海 | Method for constructing underground fresh water collection facility on coral island and reef |
| CN109932497A (en) * | 2019-03-29 | 2019-06-25 | 中国科学院武汉岩土力学研究所 | A kind of coral skerries underground water desalination Experimental mimic system and method |
| CN110468775A (en) * | 2019-08-30 | 2019-11-19 | 天津大学 | A kind of shallow sea reservoir realizing ocean hydrospace and utilizing |
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Application publication date: 20170125 |