CN103702731B - Penetration of sea water filter method and infiltration water intaking unit - Google Patents
Penetration of sea water filter method and infiltration water intaking unit Download PDFInfo
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- CN103702731B CN103702731B CN201280036424.2A CN201280036424A CN103702731B CN 103702731 B CN103702731 B CN 103702731B CN 201280036424 A CN201280036424 A CN 201280036424A CN 103702731 B CN103702731 B CN 103702731B
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- sand filter
- sand
- penetration
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 251
- 239000013535 sea water Substances 0.000 title claims abstract description 118
- 238000001764 infiltration Methods 0.000 title claims abstract description 81
- 230000008595 infiltration Effects 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 65
- 230000035515 penetration Effects 0.000 title claims abstract description 56
- 239000004576 sand Substances 0.000 claims abstract description 180
- 239000000463 material Substances 0.000 claims abstract description 68
- 238000004140 cleaning Methods 0.000 claims abstract description 29
- 230000003204 osmotic effect Effects 0.000 claims abstract description 8
- 230000000903 blocking effect Effects 0.000 claims description 23
- 239000007921 spray Substances 0.000 claims description 11
- 230000008676 import Effects 0.000 claims description 3
- 239000012466 permeate Substances 0.000 claims description 2
- 238000003756 stirring Methods 0.000 abstract description 8
- 239000002245 particle Substances 0.000 description 14
- 238000010612 desalination reaction Methods 0.000 description 11
- 238000001914 filtration Methods 0.000 description 11
- 239000000725 suspension Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000701 coagulant Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241000238586 Cirripedia Species 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 241000242583 Scyphozoa Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
- 230000036262 stenosis Effects 0.000 description 1
- 208000037804 stenosis Diseases 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/04—Feed pretreatment
-
- 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
- E03B3/04—Methods or installations for obtaining or collecting drinking water or tap water from surface water
-
- 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
- C02F1/004—Processes for the treatment of water whereby the filtration technique is of importance using large scale industrial sized filters
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/26—Further operations combined with membrane separation processes
- B01D2311/2649—Filtration
-
- 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
- C02F2103/08—Seawater, e.g. for desalination
-
- 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
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Filtration Of Liquid (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Biological Treatment Of Waste Water (AREA)
- Farming Of Fish And Shellfish (AREA)
- Cultivation Of Seaweed (AREA)
Abstract
The present invention provides a kind of penetration of sea water filter method and infiltration water intaking unit, it is to the top layer at sand filter course, and the suspended material etc. introducing intermediate layer is carried out, the penetration of sea water filter method of the present invention, it is pre-formed infiltration water intaking unit (11), this infiltration water intaking unit is at the sandy gravel stratum (13) embedment water intake conduit (12) of the deep layer for forming sand filter course, layer of sand (15) embedment in the intermediate layer of sand filter course and top layer is counter cleans pipe (14) for being formed, it is provided above suction hose (16) at layer of sand (15).Infiltration water intaking unit (11) of the setting place combination requirement in seabed forms sand filter course, fetches water seawater by importing in water intake conduit (12) from the marine seawater that naturally osmotic comes along sand filter course.Penetration of sea water speed was set to less than or equal to 400m/ day.From anti-pipe (14) ejection water or the air of cleaning, the suspended material etc. in introducing sand filter course intermediate layer is stirred so that it is roll on the top on the top layer of sand filter course, sucks stirring water from suction hose (16) and reclaim.Penetration of sea water speed can be maintained the biggest speed less than or equal to 400m/ day by the present invention.
Description
Technical field
The present invention relates to a kind of filter method and infiltration water intaking unit, described filter method is right
The filter method when seawater being permeated along the layer of sand in seabed is fetched water, described infiltration takes
Water unit, for implementing this filter method, has and anti-cleans pipe etc., and this is counter cleans pipe and remove and be deposited in
Layer of sand top layer, and introduce biology or the suspended material in intermediate layer, prevent mesh from blocking.
Background technology
As the method for fetching water of seawater, the most mostly use as shown in figure 14, such as from setting
Put the direct water-fetching method that seawater is fetched water by the intake 1 in seabed through aqueduct 2.This
Outward, 3 in Figure 14 are the pumps for fetching water seawater, and 4 is reverse osmosis membrane apparatus.
But, direct water-fetching method while seawater is fetched water, also can get all rubbish,
Suspension, biology etc., therefore situation is when the abnormal generation of jellyfish or red tide, the outflow thing of oil
Therefore time, billow is when causing turbidity to increase, it is necessary to stop water intaking.Additionally, due to barnacle, make a gift of
The marine organisms such as shellfish are sharp to intake, aqueduct attachment, and direct water-fetching method is periodically required to
Clean, add the medicine (such as chlorine etc.) preventing attachment, increase and consider the biology on full pipeline
The caliber etc. of attachment expense.Further, in direct water-fetching method, by reverse osmosis membrane to obtain
In the case of seawater processes, need the sand mistake that the seawater that with the addition of coagulating agent is filtered
Filter equipment, accordingly, it would be desirable to the equipment that the silt accumulated in sand filter plant is processed.
Then, in recent years, as the pre-treatment of the seawater that water intaking obtains, coagulating agent etc. is not used
Medicine, and as shown in figure 15, to along the layer of sand 5 in seabed (hereinafter, referred to as sand filter course)
The indirect water-fetching method that the seawater being permeated carries out fetching water receives publicity.
Described indirect water-fetching method, is away from coastline hundreds of meters, the marine excavation of the depth of water tens meters
Seabed, as shown in figure 16, is formed in this excavation portion by supporting sandy gravel stratum 5a and supporting sand
Gravel bed 5b, the sand filter course 5 that filter sand 5c is constituted excessively, by being again backfilled to identical sea
From being arranged on, bottom surface, supports that filtration and infiltration is purified by the water intake conduit 6 sandy gravel stratum 5a
The method that seawater carries out fetching water.Although the problem of this indirect water-fetching method directly water-fetching method is not sent out
Raw, but owing to initial cost is high, and cause water withdrawal because the mesh on permeable face blocks
The problem reduced, universal expansion is slowly.
Therefore, patent document 1 proposes a kind of method, in this infiltration method for fetching water,
The mesh blocking of the sand filter course in the seabed that seawater is fetched water, and energy can be reduced as much as possible
Enough remove the suspension etc. being deposited in sand filter course surface without difficultyly, can ensure that and stably fetch water.
The infiltration water-fetching method proposed in described patent document 1 is characterised by, at the sand in seabed
The penetration of sea water flow velocity shown in filter course is set to 1～8m/ day, the depth of water of described sand filter course
The critical depth of water that moves completely moving more than 50cm than the sand of the surface part of this sand filter course is wanted
Deeply, it is shallow that critical depth of water is moved on the top layer and than mobile more than 1cm.
But, the infiltration water-fetching method proposed in described patent document 1, penetration of sea water water intaking speed
Degree was 1～8m/ day, was the rate of filtration the most at a slow speed, therefore to the short time is to substantial amounts of sea
Water is fetched water, and needs wide area, and project scale becomes big (technical problem 1).
Further, the infiltration water-fetching method proposed in patent document 1, in order to prevent because being deposited in table
The silt (mud composition) in face causes sand filter course mesh to block, and needs to be arranged on the suitableeest seawater
The marine site that flowing promotes, is defined in the place (technical problem 2) having seawater and flowing because of wave.
Therefore, application is artificial solves above-mentioned technical problem 1, proposes a kind of penetration of sea water filter method,
Can significantly cut down required infiltrating area by penetration of sea water speed high speed, significantly reduce engineering rule
Mould.But, as the adoptable speed of reality, above it is defined to less than or equal to 400m/ day.
Additionally, application is artificial solves above-mentioned technical problem 2, a kind of penetration of sea water filtration side is proposed
Method, introduces the biology on sand filter course top layer by artificial removal or suspended material prevents mesh from blocking up
Plug.And then, applicant introduces the described suspended material etc. on sand filter course top layer to remove, and carries
Go out and such as mechanical type, air type, certain water jet device have been arranged on sand filter course surface
Prevent mesh blocking device.Thus, sand filter course can be arranged on and such as there is no trend or ripple
The tranquil marine site of the water particle speed of wave.
It is to say, the penetration of sea water filter method proposed according to the applicant, by by seawater
Seepage velocity is set to the biggest speed more than or equal to 400m/ day, the water intaking of short time surely
Quantitative change is big, compared with the past, and water intaking area can diminish.Additionally, set on sand filter course surface
Put in the case of preventing mesh blocking device, it is not necessary to be arranged on the sea that the suitableeest seawater flowing promotes
Territory, it is possible to fetch water near seawater desalination complete set of equipments.Therefore, project scale,
Intake equipment scale can be changed the most on a small scale, corresponding to this, in each stage to week during construction
The impact in collarette border also is able to significantly decrease.
But, by the method utilizing seawater to flow, or by being arranged on the anti-of sand filter course surface
Only the method for mesh blocking device ejection water etc., is only capable of removal and is deposited in sand filter course top layer
Suspended material etc., it is impossible to remove biology or the suspension introducing the intermediate layer deeper than sand filter course top layer
Material.Especially it is set to the biggest speed less than or equal to 400m/ day in penetration of sea water speed
In the case of degree, the also easily mesh blocking of the intermediate layer of sand filter course, the frequency of mesh blocking is also
Uprise.Therefore, only removal is deposited in the suspended material etc. on sand filter course top layer, it is possible to reduce
Penetration of sea water speed.
Additionally, the infiltration water-fetching method of such as patent document 1, formed in the excavation portion excavating seabed
Support sandy gravel stratum 5a, bury water intake conduit 6 underground, formed on the top of this support sandy gravel stratum 5a and prop up
Hold sandy gravel stratum 5b, cross filter sand 5c, meanwhile, be again backfilled to described sea bottom surface, above-mentioned
Engineering is all carried out at scene, seabed, therefore arranges project scale big.Additionally, in operation start
After, during a part of generation problem of water intake conduit 6, need again to excavate sea bottom surface reparation water intaking
The trouble location of pipeline 6.
Prior art literature
Patent document
Patent document 1: No. 3899788 publications of Japanese Patent No.
Summary of the invention
(1) to solve the technical problem that
The problem to be solved in the present invention point is, conventional infiltration water-fetching method flowed by seawater or
The mesh blocking device that prevents being arranged on sand filter course surface is carried out, and therefore can not remove and draw
Entering biology or the suspended material in sand filter course intermediate layer, penetration of sea water speed is likely to decrease.And
And, conventional infiltration water-fetching method, project scale when not only arranging is big, if after operation start
A part of generation problem of water intake conduit, in addition it is also necessary to excavate sea bottom surface and repair trouble location, safeguard
Property is poor.
(2) technical scheme
The present invention is to solve the problems referred to above, it is provided that a kind of penetration of sea water filter method and infiltration take
Completing for the purpose of water unit, it can not only remove the biology being deposited in sand filter course top layer
Or suspended material, biology or suspended material for introducing intermediate layer also are able to remove, in seabed
Project scale when arranging reduces, it is possible to easily safeguard.
The penetration of sea water filter method of the present invention, is pre-formed infiltration water intaking unit, and this infiltration takes
Water unit is at the sandy gravel stratum embedment water intake conduit of the deep layer for forming sand filter course, for shape
Become that the layer of sand embedment on the intermediate layer of sand filter course and top layer is counter cleans pipe, in the setting place in seabed
The described infiltration water intaking unit of combination requirement forms described sand filter course, from marine edge
Seawater is entered in importing described water intake conduit by the seawater that in described sand filter course, naturally osmotic comes
Row water intaking, it is topmost is characterised by, penetration of sea water speed was set to less than or equal to 400m/ day；
By coming biology or the suspension introducing described intermediate layer from described anti-cleaning pipe ejection water or air
Material is stirred, on described top layer together with being deposited in the biology on described top layer or suspended material
Top roll, prevent described sand filter course mesh from blocking.
According to the above-mentioned present invention, the biology or the suspended material that introduce the intermediate layer of sand filter course lead to
Cross from the anti-water cleaning pipe ejection or air stirring, together with being present in the suspended material etc. on top layer
Roll above sand filter course.It follows that the marine suspension rolled above sand filter course
Materials etc., are flowed to the outside diffusion of sand filter course because of trend, wave by seawater.
Additionally, in the above-mentioned present invention, by being pre-formed in the combination of the setting place in seabed
Infiltration water intaking unit, it is possible to easily form sand filter course.Further, fetch water after operation start
In the case of a part of generation problem of pipeline, it is not necessary to excavate seabed and repair trouble location, it is possible to
Separate in units of unit and include that the infiltration water intaking unit of the trouble locations such as pipeline is replaced.
In the invention described above, sand filter course is arranged seawater because of trend, wave flowing few
In the case of tranquil marine site, the top that can be previously formed in described layer of sand is also provided with suction hose
Infiltration water intaking unit, the described infiltration water intaking unit of the setting place combination requirement in seabed
Form described sand filter course, meanwhile, by spraying water or air to drawing from described anti-cleaning pipe
The biology or the suspended material that enter described intermediate layer are stirred, with the biology being deposited in described top layer
Or after suspended material is rolled together above described top layer, contain by sucking from described suction hose
There is the stirring water of biology or suspended material, prevent described sand filter course mesh from blocking.
(3) beneficial effect
In the present invention, by removal be deposited in sand filter course top layer and introduce intermediate layer biology or
Suspended material prevents mesh from blocking, and maintains with the biggest speed less than or equal to 400m/ day
Penetration of sea water speed, it is possible to implement high-rate fitration constantly.Additionally, oozing in the combination present invention
In the case of water intaking unit forms sand filter course thoroughly, project scale when arranging significantly diminishes,
And after operation start, it is possible to separate the infiltration water intaking containing trouble location in units of unit
Unit is replaced, and therefore safeguards and becomes easy.
Accompanying drawing explanation
Fig. 1 is to represent that the infiltration water intaking used in the penetration of sea water filter method of the present invention is single
Unit is the figure of an example of the situation of the size can being loaded on truck, and (a) is for representing along plane
The figure in the cross section of the A-A ' line of figure；B () is for representing the figure in the cross section of the B-B ' line along plane；
C () is the figure from in-plane viewing.
Fig. 2 is the figure of each pipeline of the infiltration water intaking unit of the present invention from in-plane viewing,
A () is the plane of suction hose；B () is the anti-plane cleaning pipe；C () is intake pipe
The plane in road.
Fig. 3 is the figure of the configuration example of the water intake conduit of the infiltration water intaking unit representing the present invention, (a)
For representing that 5 pieces of water intake conduits are connected to the figure of the configuration example of the situation of bus-type；B () is for representing
5 pieces of water intake conduits are respectively connecting to the figure of the configuration example of the situation in water collecting pump hole.
Fig. 4 is the figure of the anti-connection example cleaning pipe of the infiltration water intaking unit representing the present invention, (a)
For representing in the case of the structure using ejection water the figure with the connection example of pump；B () is that expression makes
With figure with the connection example of air compressor in the case of the structure of ejection air.
Fig. 5 is the figure of the example representing the infiltration water intaking size of unit of the present invention and configuration, (a)
For representing the figure of an example of situation that water withdrawal was 100,000 t/ days；B () and (c) is that expression takes
The water yield is an example and the figure of other a example of the situation of 400,000 t/ days.
Fig. 6 is the embodiment of the infiltration water intaking unit of the present invention representing and employing drainpipe
Figure, (a) is the figure in the cross section representing the A-A ' line along plane；B () is for representing along plane
The figure in the cross section of the B-B ' line of figure；C () is for representing the figure from in-plane viewing.
Fig. 7 is other enforcements of the infiltration water intaking unit of the present invention representing and employing drainpipe
The figure of example, (a) is the anti-figure cleaning pipe from in-plane viewing；B () is from cross section side
To the schematic diagram of the branching pipe of the drainpipe of viewing, it it is the ejection that the water from drainpipe ejection is described
The figure of angle.
Fig. 8 is that the water intake conduit in the unit of the infiltration water intaking unit representing the present invention is clear with anti-
Wash the figure of an example of pipe configuration in the height direction.
Fig. 9 is the reality of the infiltration water intaking unit of the present invention representing and being not provided with suction hose, drainpipe
Executing the figure of example, (a) is the figure in the cross section representing the A-A ' line along plane；B () is for representing
The figure in cross section along the B-B ' line of plane；C () is the figure from in-plane viewing.
Figure 10 is the experiment flow figure of penetration of sea water filter method.
Figure 11 is the figure of the example representing experimental result, and (a) is the data representing turbidity
Figure；B () is for representing the figure of the data of silt dnesity index (SDI).
Figure 12 is the relation representing and blocking the elapsed time with standard occlusion and pressure loss completely
Figure.
Figure 13 is the diagram of the penetration of sea water filter method of the present invention.
Figure 14 is the explanation schematic diagram of conventional direct water-fetching method.
Figure 15 is the explanation schematic diagram of conventional indirect water-fetching method.
Figure 16 is the structural representation of seabed osmosizing portion.
Detailed description of the invention
The present invention is in order to implement constantly to maintain less than or equal to 400m/ day penetration of sea water speed
The high-rate fitration of the biggest speed, be realized by the following method preventing sand filter course mesh
The purpose of blocking: water or air by spraying from anti-cleaning pipe are to introducing sand filter course intermediate layer
Biology or suspended material be stirred, with biology or the suspension being deposited in sand filter course top layer
Matter is rolled by marine above sand filter course together.
Contain in the biology rolled above sand filter course or suspended material becomes mesh blocking
The material of reason, preferably reclaims by being arranged on the suction hose above layer of sand, in order to avoid to sand
Environment around filter course brings baneful influence.
But, in the marine site that the necessity of environmental protection is relatively low, situation is that permission will be to sand mistake
Becoming of containing in the biology or suspended material rolled above sand filter course is discharged around filtering layer
The material of mesh plugging reason.In the case of described marine site arranges sand filter course, according to seawater
Flow velocity, it is possible to select following any structure.
That is, in the case of being arranged on the marine site that seawater velocity is slow, use by being arranged on layer of sand
The structure of the material becoming mesh plugging reason manually discharged by the drainpipe of side.On the other hand, if
Put in the case of the marine site that seawater velocity is fast, it is possible to by seawater because of trend, the flowing of wave
Diffusion becomes the material of mesh plugging reason, therefore can also use and be not provided with suction hose, draining
The structure of pipe.
Embodiment
Below, use Fig. 1～Figure 13, embodiments of the present invention are described in detail.
Fig. 1 is to represent that the infiltration water intaking used in the penetration of sea water filter method of the present invention is single
The figure of one example of unit 11.
In Fig. 1 (a) and (b), 12 represent by supervisor 12a and are intersecting with supervisor 12a
Multiple branching pipe 12b of direction top set constitute, embedment is for forming the sand filter course in seabed
Deep layer sandy gravel stratum 13 in water intake conduit.Be used for being formed sand filter course intermediate layer 15b,
In the layer of sand 15 of 15c and top layer 15a, imbed by supervisor 14a and intersecting with supervisor 14a
The anti-cleaning pipe 14 that on direction, separate multiple branching pipe 14b are constituted.
In Fig. 1 (c), 16 represent the suction being made up of supervisor 16a and multiple branching pipe 16b
Water pipe.Supervisor 16a such as Fig. 1 (a) is shown, be erected at cabinet 17 opposed side 17a,
Between 17c.Further, with separate multiple branching pipe 16b on the direction that intersects of supervisor 16a
End, as shown in Fig. 1 (b), side 17b, 17d of cabinet 17 support.Thus,
Suction hose 16 is arranged on layer of sand when with the spaced apart certain intervals on the surface of layer of sand 15
The top of 15.
The infiltration water intaking unit 11 of the present embodiment is at the longest 10m × wide 2.5m × height
The inner containment of the cabinet 17 of 2.5m has water intake conduit 12, anti-cleaning pipe 14, suction hose 16
Water intake conduit is imbedded in the centre position of the short transverse of the sandy gravel stratum 13 of high 0.5m, counter cleans
Pipe 14 the top of the short transverse of the layer of sand 15 of high 2.0m imbed, suction hose 16 with sand
The state of the spaced apart certain intervals on the surface of layer 15 is arranged on above layer of sand 15.Thus, should
Infiltration water intaking unit 11 can be by the card with the loading table top that can load above-mentioned size goods
Car transports, and overland transport becomes easy.It addition, cabinet 17 is according to the sea arranging sand filter course
The water quality in territory or seawater contain the composition etc. of material, can be from such as FRP, concrete, gold
The suitableeest selected material in genus etc..
Fig. 2 represents an example of each pipeline of infiltration water intaking unit 11, is to watch from in-plane
The figure of each pipeline.The side, land being provided with seawater desalination complete set of equipments, paper is represented on the downside of paper
Side, ocean is represented on the upside of face.
On the branching pipe 16b of suction hose 16, as shown in Figure 2 (a) shows, side, land and ocean
Side is disposed with multiple squit hole 16ba, 16bb.In the present embodiment, the suction of side, land
The inlet hole 16bb of hand-hole 16ba and side, ocean all with supervisor 16a length direction parallel open,
When now arranging, the ejection angle of squit hole is parallel with horizontal plane direction.The land of supervisor 16a
Side, ground is connected with the water collecting pump of seawater desalination complete set of equipments.Inhale from inlet hole 16ba, 16bb
The muddy water entered is assembled to supervisor 16 from each branching pipe 16b, is recovered to seawater desalination complete
Equipment.
On the anti-branching pipe 14b cleaning pipe 14, as shown in Fig. 2 (b), arrange now
Time, position spread configuration multiple squit hole 14ba of side on high.In the present embodiment, spray
Portal ejection angle and the horizontal plane direction of 14ba is 90 degree.The side, land of supervisor 14a and sea
The feed pump of water desalination complete set of equipments or air compressor connect.Each point is supplied from supervisor 14a
The water of tap 14b or air, spray from squit hole 14ba heavenwards side with vertical direction.Separately
Outward, in the present embodiment, as an example, when now arranging, the direction of side sets on high
Put squit hole 14ba, but instead clean the squit hole 14ba of pipe 14 when now arranging, it is also possible to
It is configured to the most downward.
On the branching pipe 12b of water intake conduit 12, at whole surface configuration multiple water intaking hole (figure
In 2(c) not shown).The side, land of supervisor 12a and the water collecting pump of seawater desalination complete set of equipments
Connect.The seawater that naturally osmotic enters in sand filter course imports branching pipe 12b from water intaking hole, passes through
Supervisor 12a fetches water to seawater desalination complete set of equipments.
In the penetration of sea water filter method of the present invention, it is pre-formed infiltration described above on land
Water intaking unit 11, the infiltration water intaking unit 11 of the setting place combination requirement in seabed
Form sand filter course, importing from the marine seawater that naturally osmotic comes along described sand filter course
In water intake conduit 12, fetching water seawater, wherein, penetration of sea water speed is set to be less than
Equal to 400m/ day.And, in intermediate layer 15b, 15c of sand filter course, introduce anti-clear
Wash biology or the suspended material of the intermediate layer 15b on pipe 14 top, by from anti-cleaning pipe 14
Squit hole 14ba with relative level such as in+90 degree angles upwards or in-90 degree angles
Degree ejection water or air downwards are stirred, with biology or the suspension being deposited in sand filter course top layer
After material marine above sand filter course together is rolled, by being arranged on sand filter course top layer
The suction hose 16 of side, absorbs water to the stirring water containing biological or suspended material.Thus,
The biology rolled above sand filter course or suspended material will not be deposited in sand filter course table again
Face and be recovered, therefore, it is possible to be prevented securely from sand filter course mesh blocking.
It addition, in the biology rolled above sand filter course or suspended material, except containing becoming
Beyond the compositions such as the silt of mesh plugging reason, possibly together with becoming mesh plugging reason,
It would be better to say that the material being suitable to maintain the particle diameter of the sea water filter effect in sand filter course.
Therefore, in the present embodiment, it is configured to utilize by the anti-water cleaning pipe 14 ejection or sky
Gas and the settling velocity of the marine biology rolled above sand filter course or suspended material is poor,
In the timing of the species precipitate becoming mesh plugging reason that should suck extremely described sand filter course, from
Suction hose 16 sucks stirring water.Thus, in the present embodiment, it is possible to only attract to become mesh and block up
The material of plug reason, and to maintaining the material that filter effect is useful can stay sand filter course.
It follows that the present invention to be permeated the water intaking configuration of unit 11, method of attachment, combination
The size in the water intaking region that infiltration water intaking block 110 is constituted, is illustrated by concrete example.
Fig. 3 is the figure of the configuration example of the water intake conduit 12 representing infiltration water intaking unit 11.This example
In son, 7 water intake conduits 12 of transversely arranged configuration constitute water intake conduit block 120.At this
In the case of planting structure, such as, as shown in Fig. 3 (a), water intake conduit block 120 can make
With common pipeline 18,5 water intake conduit blocks 120 are concentrated into one and are connected to water collecting pump, or
As shown in Figure 3 (b), water intake conduit block 120 can also cheat 19 not to person respectively with water collecting pump
Connect.
Fig. 4 is the figure of the anti-connection example cleaning pipe 14 representing infiltration water intaking unit 11.At this
In example, the anti-cleaning pipe 14 of transversely arranged configuration 7 constitutes anti-cleaning plumber block 140.?
In the present invention, it is deposited in sand filter course top layer to stir, and introduces the biology in intermediate layer or outstanding
Float matter so that it is marine above sand filter course is rolled, can spray from the anti-pipe 14 that cleans
Water, it is also possible to ejection air.In the case of the structure using ejection water, such as Fig. 4 (a)
Shown in, the anti-plumber block 140 that cleans is connected with feed pump 20.On the other hand, ejection sky is being used
In the case of the structure of gas, as shown in Figure 4 (b), the anti-plumber block 140 that cleans compresses with air
Machine 21 connects.
Fig. 5 is the figure of the example of size and the configuration representing and permeating water intaking unit 11.At Fig. 5
In the example of (a), the length of transversely arranged configuration 8 or 9 supervisor 12a, 14a, 16a
The infiltration water intaking unit 11 of a length of 10m in direction constitutes infiltration water intaking block 110, also horizontal stroke
To 4 this infiltration water intaking blocks 110 that are arranged, form a size of 10m × 105m(without machine
The thickness of slab of case) water intaking region 1100.
In the present invention, penetration of sea water speed was set to less than or equal to 400m/ day, but assumed seawater
Speed is 100m/ day, and the infiltrating area of each unit of infiltration water intaking unit 11 is 30m2
In the case of, the collecting water from runoff of each unit of infiltration water intaking unit 11 is 3000m3/ day.As
The example of Fig. 5 (a), in the water intaking region 1100 being made up of about 35 infiltration water intaking unit 11
In the case of, overall collecting water from runoff was about for 100,000 t/ days.It is and is arranged on now Fukuoka county
" ま body ず ピ ア, the water intaking scale of marine road how many desalinizations " center " equal extent.
Additionally, need further exist for increasing to the water withdrawal of a day situation of such as 400,000 t/ days
Under, the water intaking region 1100 of Fig. 5 (a) is configured to shown in such as Fig. 5 (b) or (c)
Set up 4 regions separately.In the case of Gai, with the example of Fig. 5 (b) as 25m × about 270m,
The example of Fig. 5 (c) is 210m × about 25m, bright compared with conventional infiltration method for fetching water
Aobvious little water intaking region, it is thus achieved that every day 400,000 t water withdrawal.
Additionally, in the present invention, owing to forming the water intake conduit 12 of sand filter course, sandy gravel stratum
13, anti-cleaning pipe 14, layer of sand 15, suction hose 16 blocking, it is possible to according to arranging marine site
Landform selects most suitable configuration.Additionally, by changing such as the element number of combinations thereof, energy
Water withdrawal needed for enough corresponding every days.
Additionally, according to the present invention, even if part infiltration water intaking unit 11 breaks down, only
The infiltration water intaking unit 11 of fault to be changed, brings therefore, it is possible to reduce to system entirety
Impact.Additionally, need not excavate sea bottom surface when changing infiltration water intaking unit 11, therefore
Maintenance engineering scale diminishes, it is possible to reduce upkeep cost.
Fig. 6 is to represent to use drainpipe as removing at the marine biology rolled or suspended material
The figure of one example of the infiltration water intaking unit of the present invention in the case of method.In the following description,
Only the aspect different from the structure of the embodiment of the Fig. 1 using suction hose 16 is illustrated.
In figure 6,22 represent the drainpipe being made up of supervisor 22a and multiple branching pipe 22b.
Supervisor 22a as shown in Figure 6 (a), be erected at cabinet 17 opposed side 17a, 17c it
Between.Additionally, with the end of separate multiple branching pipe 22b on the direction that intersects of supervisor 22a,
As shown in Figure 6 (b), side 17b, 17d of cabinet 17 support.Thus, drainpipe
22 are arranged on layer of sand 15 when with the spaced apart certain intervals on the surface of layer of sand 15
Top.
On branching pipe 22b, side, ocean is disposed with multiple squit hole, and (Fig. 2 (b) is
From the figure of side, land viewing, the most not shown).Squit hole is flat with the length direction of supervisor 22a
Row opening, when arranging at the scene, the ejection angle of squit hole is parallel with horizontal plane direction.Supervisor
The side, land of 22a is connected with the feed pump of seawater desalination complete set of equipments, from supervisor's 22a supply
The water of each branching pipe 22b sprays to side direction horizontal direction, ocean from squit hole.
As it has been described above, the present embodiment passes through the water from anti-cleaning pipe 14 ejection or air to introducing
Biology or the suspended material in sand filter course intermediate layer are stirred, and are deposited in sand filter course top layer
Biology or after suspended material rolls together above described top layer, by spraying from drainpipe 22
The water gone out is to the outside discharge of sand filter course.
Fig. 7 (a) is other embodiments of the infiltration water intaking unit of the present invention using drainpipe
Explanatory diagram, represents the state from in-plane viewing drainpipe 23.Right side table towards paper
Show the side, land being provided with seawater desalination complete set of equipments, towards the left side (direction of arrow) of paper
Represent side, ocean.It addition, in this embodiment, it is set in side, ocean and does not adjoin other infiltrations
Water intaking unit.
In the branching pipe 23b of drainpipe 23, as shown in Figure 7 (a), only arrange in side, ocean
Row are provided with multiple squit hole 23bb.Fig. 7 (b) is to watch drainpipe 23 from cross-sectional direction
The schematic diagram of branching pipe 23b, be the ejection angle that the water from squit hole 23bb ejection is described
The figure of θ.In the present embodiment, by installing nozzle on squit hole 23bb, angle will be sprayed
It is the scope of 30～60 degree that degree θ is set in relative level.The side, land of supervisor 23a and seawater
The feed pump of desalination complete set of equipments connects.Such as, the ejection angle at squit hole 23bb is
In the case of 45 degree, by supervisor 23a supply each branching pipe 23b water by squit hole 23bb to
Side, ocean with relative level upwards in 45 degree angle spray.
As it has been described above, be configured in the present embodiment, drainpipe 23 is fetched water to other infiltrations
Unit non-conterminous direction ejection water, the ejection angle of the most described water be relative level in
The scope of 30～60 degree.
Thus, in the present embodiment, mesh plugging reason is become by what drainpipe 23 was discharged
Suspended material etc. will not be precipitated to the top of sand filter courses of other infiltration water intaking unit.This
Outward, in the present embodiment, from the water parabolically shape of squit hole 23bb ejection, it is possible to will become
Suspended material etc. for mesh plugging reason is expelled to farther place.
But, if the biology or suspended material that are deposited in seabed are unnecessarily arranged to around
Go out, it is possible to bring some to affect the natural environment of periphery.
Therefore, it is configured in the present embodiment, utilizes and cleaned, by counter, water or the sky that pipe 14 sprays
Gas and the settling velocity of the marine biology rolled above sand filter course or suspended material is poor,
The species precipitate the becoming mesh plugging reason meter to described sand filter course of outside should be expelled to
Shi Zhong, sprays water from drainpipe 23.Therefore, in the present embodiment, only will become mesh to block up
The material of plug reason is expelled to outside, it is possible to reduce the impact on periphery natural environment as far as possible.
Fig. 8 is water intake conduit 12 He in the unit of the infiltration water intaking unit 11 representing the present invention
The figure of one example of the configuration of the anti-short transverse cleaning pipe 14.In the present invention, had better not
Excessively separate with the bottom surface 17e of the cabinet 17 of infiltration water intaking unit 11, in order to avoid water intake conduit 12
Filter capacity decline.Specifically, when the pipe external diameter of water intake conduit 12 is set to D, take
The COP(tube hub of waterpipe 12) height be 0.75D～1.25D above the 17e of bottom surface
Scope.
Additionally, instead clean pipe 14 in order to being deposited in sand filter course top layer and introducing intermediate layer
Suspended materials etc. clean on a large scale, and it is favourable for being arranged on the deepest position, if but
It is the deepest that position is set, then needs to raise hydraulic pressure, it is therefore desirable to consider both balances.Concrete next
Say, when the anti-pipe external diameter cleaning pipe 14 is set to d, in the anti-COP(pipe cleaning pipe 14
The heart) the model of lower section 1.0d～5.0d of the surface 15d that height is layer of sand 15 at sand filter course
Enclose.
Fig. 9 is to represent to utilize seawater flowing as removing at the marine biology rolled or suspension
The figure of one example of the infiltration water intaking unit of the present invention in the case of the method for matter.The structure of Fig. 9
In addition to not there is suction hose 16 or drainpipe 22, identical with the embodiment of Fig. 1.This is real
Execute in example, introduce biology or the suspended material in sand filter course intermediate layer, by cleaning pipe from counter
The water of 14 ejections or air, together with the biology or the suspended material that are deposited in sand filter course top layer
Roll above described top layer, diffuse to sand mistake by seawater because of trend or the flowing of wave
The outside of filtering layer.
It follows that be set to be less than to penetration of sea water speed in the penetration of sea water filter method of the present invention
Illustrate equal to the reason of 400m/ day.
Figure 10 is the experiment flow figure of the penetration of sea water filter method representing the present invention.At Figure 10
In, 31 is to sink to distance seabed 50cm, the water pump of distance water surface 3.3m position, and 32 are
The former water tank of the seawater that storage is extracted out by this water pump 31.It is stored in former water tank 32
Seawater is extracted out by raw water pump 33, supplies cylindrical device 34.Cylindrical device 34 is arranged
There is the filter course being made up of layer of sand 34a and sandy gravel stratum 34b, drawn by the drainage of crossing of this filter course
It is directed at process water tank 35.
In the experiment flow shown in Figure 10, it is provided with and counter send pipeline 37 and overflow pipe 38,
Described counter send pipeline 37 is provided with cross that drainage is counter delivers to cylindrical device by process water tank 35
The anti-pump 36 that send of 34, the seawater of supply cylindrical device 34 is guided to place by described overflow pipe 38
Reason water tank 35, in order to avoid it overflows.
The seawater making the water pump of the experimental provision by flow process shown in Figure 10 obtain passes through cylindricality
Device filter course, is measured the turbidity and silt dnesity index SDI crossing drainage.This survey
The fixed filter course used from start above forThe layer of sand (thickness 900mm) of 0.45mm,The sandy gravel stratum (thickness 75mm) of 2～4mm,The gravel (thickness 75mm) of 4～8mm,The gravel (thickness 150mm) of 6～12mm.
Measurement result represents in fig. 11.Here, pre-in the former water obtaining turbidity data
First add a certain amount of silt so that turbidity become Figure 11 (a) infiltration water intaking speed with
The turbidity that 0m/ day represents.Even if by the result of Figure 11 it has been confirmed that permeate water intaking speed
It is 50～400m/ days, turbidity or silt dnesity index SDI and infiltration water intaking speed is conventional
The situation of 1～8m/ day there is no difference, demonstrate equal process performance.
But, in the invention of described patent document 1, show in the sand filter course in seabed
Penetration of sea water flow velocity be 1～8m/ day, the depth of water of sand filter course is than the skin section of this sand filter course
The sand divided moves the critical depth of water that moves completely of more than 50cm and wants deep, and than mobile more than 1cm
To move critical depth of water shallow on top layer.
In the invention of described patent document 1, as the described infiltration water intaking speed realizing seawater
Condition, the depth of water of sand filter course than the sand of the surface part of this sand filter course move 50cm with
On the critical depth of water that moves completely want deep, and critical is moved on the top layer than mobile more than 1cm
The reason deeply wanting shallow is as follows.
Because confirming because wave causes the maximum water depth that the sand grains of sea bottom surface moves to a certain degree
Top layer move critical depth of water, the sand on sand filter course top layer moves more than 1cm for the sand in seabed
The degree being washed, if more deeper than this depth of water, the sand grains on sand filter course top layer does not moves.
On the other hand, because causing the sand filter course in seabed to be etched in confirmation because of the effect of wave
Maximum water depth move critical depth of water completely, the sand on sand filter course top layer moves more than 50cm
Regard as the erosion of the sand filter course in seabed.
Additionally, in patent document 1, if the particle diameter of silt particle is typically about
0.005mm～0.074mm, obtains the flow velocity that silt does not starts the seawater of movement, i.e. moves critical
Flow velocity.This moves the critical actual flow velocity that critical flow velocity is silt particle and takes advantage of Surface porosity
The value of (=0.35).The chart using the relation of display particle diameter and critical actual flow velocity is obtained
The critical actual flow velocity of silt particle is in the case of the silt particle that particle diameter is 0.08mm
0.026cm/s。
Therefore, the upper limit of the mobile critical flow velocity of silt is
0.026 × 0.35 × 24 × 3600=786.24cm/ day, about 8m/ day.According to this result, in order to not
Produce the mesh blocking that the silt being involved in sand filter course causes, even if penetration of sea water flow velocity is maximum
Also should be set smaller than equal to 8m/ day.
Additionally, make biomembrane be unlikely to be destroyed to supply enough oxygen to sand filter course, must
Need the penetration of sea water flow velocity of at least 1m/ day.
Thus, in the invention of patent document 1, by under the described conditions by penetration of sea water
Water intaking speed was set to for 1～8m/ day, thus sand filter course top layer by the marine wave shown or
Current etc. are slightly agitated for, it is possible to remove and be deposited in the rubbish on sand filter course surface, silt
Deng suspension, it can be ensured that stable water intaking.
As it has been described above, the upper limit of the penetration of sea water water intaking speed of the invention regulation of patent document 1 is
Do not introduce or be not mixed into the condition of the sand filter course of submarine surface for silt.If it is special to continue to use this
Obtaining, in profit document 1, the method that silt absorbs suppression critical 8m/ day, inventor etc. confirms
Demonstrate the process performance equal with the situation permeating water intaking speed of 1～8m/ day, such as, exist
In the case of the infiltration water intaking speed of 400m/ day, in the tendency absorbing silt.
That is, it is assumed that there is no stirring or the flowing place of carrying silt, in infiltration water intaking speed
In the case of degree is for 400m/ day, silt can be speculated as (sea to the infiltration rate of sand filter course
Water penetration water intaking speed cm/s) × (voidage that sand grains footpath causes).Therefore, at 400m/
In the case of the infiltration water intaking speed of day, silt to the infiltration rate of sand filter course is
40000cm/(24 × 3600) } × 0.35=0.16cm/s.Additionally, in order to be embodied as facing of oxygen supply
Boundary's flow velocity is more than or equal to 1.0m/ day, and so that 100cm/(24 × 3600) } × 0.35=0.0004cm/s.
According to calculating, in the case of penetration of sea water water intaking speed is 400m/ day, become mesh
The silt particle of plugging reason introduces sand filter course about 6m(0.16 × 3600/100 per hour),
Some difficulty of realisation cleaning.
But, due to silt particle compared with the space crossing filter sand the least, take the resistance of so-called standard
The form of plug, when silt moves together with water, by the intermolecular force (thing with filter sand excessively
Reason absorption, electrostatic) catch and pile up, attachment is trapped near top layer.
Shown in Figure 11 (a) as described previously, in the experiment that with the addition of the composition of the sediment, really
Accepting under conditions of 400m/ day, after two hours, silt is substantially accumulated to top layer, only invade sand
About 1cm inside filter course.
Additionally, standard occlusion is from different relative to the obstruction completely that the particle bigger than space produces,
Particle is in order to fully seal hole, space, as shown in figure 12, by the absorption of silt particle, empty
Over time and stenosis is little for lyriform pore.It means that, slow real estate to the holding threshold value in space
Raw pressure loss, even if therefore in the case of removing silt constantly, infiltration is also for a long time
It is possible.This elapsed time is according to the condition of filtering material, sea conditions (silt density)
And different, this time becomes the key factor at the interval forcing cleaning.
Present invention experimental result based on invention people and above-mentioned opinion, by realizing with conventional
The high speed of the penetration of sea water speed of the filtering material that general knowledge is avoided, it is achieved that project scale,
The significant small-scaleization of water intake facilities scale.
Carry out employing the knot of the permeability underground water test higher than seawater according to invention people
Really, to the seepage velocity of 600m/ day, it is possible to normally continuously run.But, oozing
In the case of speed is 700m/ day thoroughly, the necessary purification water yield is more than water withdrawal, sand filter course
Become the state that water flows discontinuously, it is impossible to normally fetch water.Therefore, taking with penetration of sea water
Filter method during water is in the present invention of object, and safety coefficient is set to about 1.5, the sea of 400m/ day
Water penetration speed is as the upper limit.
According to above reason, in the penetration of sea water filter method of the present invention, will be from marine along sand
The seawater that in filter course, naturally osmotic comes carries out infiltration to seawater in importing water intake conduit and fetches water
Time, penetration of sea water speed is less than or equal to 400m/ day.
In the present invention, in the case of penetration of sea water speed is 400m/ day, such as with in the past
Penetration of sea water speed be to compare 8m/ day, water withdrawal is 50 times, the face in region of therefore fetching water
Amass and can be set to 1/50.Furthermore, it is not necessary that be arranged on the marine site that the flowing of most suitable seawater promotes,
As shown in figure 13, it is possible to infiltration water intaking is set near seawater desalination complete set of equipments 41 and sets
Executing 42, project scale, the significant small-scaleization of water intake facilities scale are possibly realized, it is possible to
Impact on surrounding environment when significantly decreasing each staged construction.
And, in the penetration of sea water filter method of the present invention, not only filter at sand by removing
The top layer of layer, also introduces the biology in intermediate layer or suspended material and is more prevented securely from mesh and blocks up
Plug, therefore, it is possible to maintain penetration of sea water with the biggest speed less than or equal to 400m/ day
Speed, implements high-rate fitration constantly.
The invention is not restricted to above-mentioned example, certainly, as long as in the technology described in each claim
In the category of thought, can suitably change embodiment.
Such as, in the above-described embodiment, disclose and be pre-formed infiltration water intaking unit 11
The example of situation, but the penetration of sea water filter method of the present invention can not also use infiltration water intaking single
Unit 11, and setting place embedment water intake conduit 12 or the anti-pipe 14 that cleans in seabed is formed
Sand filter course.
Specifically, it is a kind of penetration of sea water filter method, deep in the sand filter course in seabed
Layer embedment water intake conduit, anti-clear at the intermediate layer of described sand filter course embedment ejection water or air
Wash pipe, described water intaking will be imported from the marine seawater that naturally osmotic comes along described sand filter course
In pipeline, fetching water seawater, the penetration of sea water speed of the method is less than or equal to 400m/
Day；By the biology or outstanding to the described intermediate layer of introducing from described anti-cleaning pipe ejection water or air
Float matter is stirred, together with the biology or the suspended material that are deposited in described sand filter course top layer
Roll above described top layer, prevent described sand filter course mesh from blocking.
Even if additionally, in the case of not using infiltration water intaking unit as mentioned above, filtering at sand
The top on layer top layer also sets up suction hose, by spraying water or air to introducing sand from the anti-pipe that cleans
Biology or the suspended material in filter course intermediate layer are stirred, and are deposited in described sand filter course table
After the biology of layer or suspended material are rolled together above described top layer, inhale from described suction hose
Enter containing biological or the stirring water of suspended material, the most also can not bring severe shadow to surrounding enviroment
Ring, prevent sand filter course mesh from blocking.
Or, above sand filter course top layer, also set up drainpipe, by spraying from the anti-pipe that cleans
The biology or suspended material that introduce sand filter course intermediate layer are stirred, with heap by water outlet or air
Amass the biology on described sand filter course top layer or suspended material is rolled up together above described top layer
After Qiing, spray water from described drainpipe, even if so also can in the few tranquil marine site of seawater flowing
Enough prevent sand filter course mesh from blocking.
Water or air pair is sprayed from the anti-pipe 14 that cleans additionally, disclose in the above-described embodiment
The structure that the intermediate layer of sand filter course is carried out but it also may constitute as follows, by anti-clear
Wash on the basis of intermediate layer (layer of sand) be carried out by pipe 14, in required timing, make water
Water intake conduit 12 relatively flows backwards, by filtering sand from the water intaking hole of branching pipe 12b ejection water
The deep layer (sandy gravel stratum) of layer is carried out.
Additionally, in the above-described embodiment to using the embodiment of suction hose 16 and using draining
The embodiment of pipe 22,23 is illustrated respectively, but such as by being arranged on seawater fresh water
The pump switching of chemical conversion complete equipment is catchmented and feedwater, it is also possible to constitutes and has both suction hose with a device
Function and the function of drainpipe.
Additionally, for the infiltration water intaking sandy gravel stratum of unit of the present invention and layer of sand filtering material not
Being limited to natural gravel and sand, material does not limits.For example, it is also possible to by people little for effect on environment
Work particulate ceramic or artificial glass are used as sandy gravel stratum or the filtering material of layer of sand.If using this
Artificial filter's material, is usually present the problem that expense increases, but the penetration of sea water of the present invention filters
Method is different from conventional method, and the area in water intaking region can diminish significantly, the most also holds
Easily use artificial filter's material described above.
Description of reference numerals
11 infiltration water intaking unit
12 water intake conduits
13 sandy gravel stratums
14 counter clean pipe
15 layers of sand
16 suction hoses
22 drainpipes
23 drainpipes
Claims (4)
1. a penetration of sea water filter method, it is characterised in that
Being pre-formed infiltration water intaking unit, this infiltration water intaking unit is for forming sand filter course
The sandy gravel stratum embedment water intake conduit of deep layer, for forming the intermediate layer of sand filter course and top layer
Layer of sand embedment is counter cleans pipe, is also provided with drainpipe above described layer of sand；Setting in seabed
Put the described infiltration water intaking unit of place combination requirement to form described sand filter course, will be from
The marine seawater that naturally osmotic comes along described sand filter course imports in described water intake conduit, right
Seawater is fetched water,
Penetration of sea water speed is set to more than or equal to 50m/ day and less than or equal to 400m/ day,
Described anti-cleaning pipe by be responsible for and with separate multiple branches on the direction that intersects of supervisor
Pipe is constituted, the multiple squit hole of spread configuration on described branching pipe,
By from described anti-cleaning pipe ejection water or air to introduce described intermediate layer biology or
Suspended material is stirred, described together with being deposited in the biology on described top layer or suspended material
After the top on top layer is rolled, spray the water outer row to described sand filter course from described drainpipe
Go out, prevent described sand filter course mesh from blocking.
Penetration of sea water filter method the most according to claim 1, it is characterised in that utilize
The biology rolled above described sand filter course or the settling velocity of suspended material are poor, should be outside
Portion's ejected matter is precipitated in the timing of described sand filter course, sprays water from described drainpipe.
3. the infiltration water intaking for the penetration of sea water filter method described in claim 1 or 2
Unit, it is characterised in that described drainpipe permeates the water intaking non-conterminous direction of unit to other
Ejection water, the ejection angle relative level of the most described water is the scope of 30～60 degree.
4. a penetration of sea water filter method, it is characterised in that in the sand filter course in seabed
Deep layer embedment water intake conduit, the intermediate layer of described sand filter course embedment ejection water or air anti-
Clean pipe, above the top layer of described sand filter course, also set up drainpipe, will be from marine along institute
State in the seawater that naturally osmotic in sand filter course comes imports described water intake conduit and seawater is carried out
Water intaking,
Penetration of sea water speed is set to more than or equal to 50m/ day and less than or equal to 400m/ day,
Described anti-cleaning pipe by be responsible for and with separate multiple branches on the direction that intersects of supervisor
Pipe is constituted, the multiple squit hole of spread configuration on described branching pipe,
By from described anti-cleaning pipe ejection water or air to introduce described intermediate layer biology or
Suspended material is stirred, described together with being deposited in the biology on described top layer or suspended material
After the top on top layer is rolled, spray the water outer row to described sand filter course from described drainpipe
Go out, prevent described sand filter course mesh from blocking.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-217388 | 2011-09-30 | ||
| JP2011217388A JP5822623B2 (en) | 2011-09-30 | 2011-09-30 | Seawater osmotic filtration method and osmotic water intake unit |
| PCT/JP2012/070002 WO2013046930A1 (en) | 2011-09-30 | 2012-08-06 | Osmosis filtering method for sea water and osmosis water intake unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103702731A CN103702731A (en) | 2014-04-02 |
| CN103702731B true CN103702731B (en) | 2016-08-17 |
Family
ID=47994982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280036424.2A Active CN103702731B (en) | 2011-09-30 | 2012-08-06 | Penetration of sea water filter method and infiltration water intaking unit |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20140224746A1 (en) |
| JP (1) | JP5822623B2 (en) |
| CN (1) | CN103702731B (en) |
| AU (1) | AU2012318208B2 (en) |
| ES (1) | ES2490565B2 (en) |
| WO (1) | WO2013046930A1 (en) |
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| JP6047003B2 (en) * | 2012-12-14 | 2016-12-21 | 日立造船株式会社 | Filtration sand layer cleaning system |
| JP6138594B2 (en) * | 2013-06-04 | 2017-05-31 | 日立造船株式会社 | Mobile suspended solids recovery equipment for seawater infiltration. |
| JP6144574B2 (en) | 2013-08-23 | 2017-06-07 | 日立造船株式会社 | Seawater desalination system and seawater desalination method |
| KR101365391B1 (en) | 2013-10-08 | 2014-02-19 | 박상원 | Seawater collecting hood |
| JP2015157233A (en) * | 2014-02-21 | 2015-09-03 | 日立造船株式会社 | Seawater permeation intake apparatus |
| JP6496577B2 (en) | 2015-03-12 | 2019-04-03 | 日立造船株式会社 | Infiltration water intake system for revetment walls |
| JP6530205B2 (en) * | 2015-03-12 | 2019-06-12 | 日立造船株式会社 | Seepage water intake system |
| US10279407B2 (en) | 2015-10-30 | 2019-05-07 | Black & Decker Inc. | Circular saw blades |
| GB2551317A (en) * | 2016-06-07 | 2017-12-20 | Ide Technologies Ltd | Environmentally friendly water intake and pretreatment system |
| CN106592737A (en) * | 2016-11-18 | 2017-04-26 | 江苏花王园艺股份有限公司 | Municipal road drainage system |
| KR102641622B1 (en) * | 2023-08-10 | 2024-02-28 | 강용대 | Natural filtering type filter of seawater for improving filtering efficiency |
| CN116856908B (en) * | 2023-09-01 | 2024-02-06 | 西南石油大学 | Experimental determination method for sand carrying critical flow velocity of shale gas well |
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- 2012-08-06 ES ES201490021A patent/ES2490565B2/en not_active Expired - Fee Related
- 2012-08-06 CN CN201280036424.2A patent/CN103702731B/en active Active
- 2012-08-06 US US14/347,499 patent/US20140224746A1/en not_active Abandoned
- 2012-08-06 AU AU2012318208A patent/AU2012318208B2/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2013075268A (en) | 2013-04-25 |
| CN103702731A (en) | 2014-04-02 |
| AU2012318208A1 (en) | 2014-02-06 |
| ES2490565B2 (en) | 2015-04-16 |
| WO2013046930A1 (en) | 2013-04-04 |
| ES2490565A2 (en) | 2014-09-03 |
| AU2012318208B2 (en) | 2015-08-06 |
| US20140224746A1 (en) | 2014-08-14 |
| ES2490565R1 (en) | 2014-12-29 |
| JP5822623B2 (en) | 2015-11-24 |
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