CN100532222C - evaporation control device for water storage equipment - Google Patents
evaporation control device for water storage equipment Download PDFInfo
- Publication number
- CN100532222C CN100532222C CNB2005800253822A CN200580025382A CN100532222C CN 100532222 C CN100532222 C CN 100532222C CN B2005800253822 A CNB2005800253822 A CN B2005800253822A CN 200580025382 A CN200580025382 A CN 200580025382A CN 100532222 C CN100532222 C CN 100532222C
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- module
- water
- storage equipment
- water storage
- relocatable
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Abstract
A floating modular cover for a water storage consisting of a plurality of modules in which each module includes a chamber defined by an upper surface and a lower surface there being openings in the upper surface to allow ingress of water into said chamber and openings in the upper surface to allow air to flow into and out of said chamber depending on the water level within said chamber to provide ballast for each module floats. The modules prevent water evaporation from the area covered and the shape and size is selected to ensure that the modules are stable in high wind conditions and don't form stacks. The modules may be made from identical hexagonal or octagonal halves by blow moulding or thermoforming.
Description
Technical field
The present invention relates to a kind of modular floating cover, be used for reducing the water loss that particularly causes owing to evaporation at bigger water storage equipment.
Background technology
In the zone of high evaporation and seasonal precipitation, the water loss that causes in bigger uncovered storage storage equipment owing to evaporate is bigger, and is difficult to control.
Several hectares or still less relatively than the control of the evaporation in the zonule, utilize the lid of grappling on whole surface and on the edge to realize usually.
Australian Patent No.198429445 discloses the water evaporation and has suppressed cap rock, and it comprises the slider pad of interconnection, and described slider pad is to form from the tire cutting along the direction perpendicular to the tire axis, and assembles with parallel or staggered arrangement mode.
Australian Patent No.199964460 discloses a kind of modular floating cover, and it prevents by the evaporation natural process from bigger water storage equipment generation water loss.The modular unit of forming is linked together by band or tie-rod (its impermeable polypropylene multifibres material by weld together is made), becomes sheet material to use sleeve shaped.These sleeves are filled with polystyrene or polyurethane floating installation, so that lid has floatability and rigidity.
Australian Patent No.200131305 discloses a kind of floating cover, and it has the unsteady grid that anchors on the hydraulic accumulator perisporium, and floats on the metal line of hydraulic accumulator inboard.Flexible impermeable membrane is attached on the perisporium, and loosely is placed on whole grid.
International Patent Application WO 02/086258 discloses a kind of laminated cover, and it is used to reduce the rate of evaporation of water body, and this lid comprises that one deck at least has the material of relative higher thermal reflectivity, and the second layer of material has high relatively absorptivity.
These prior-art devices are owing to its intrinsic following characteristics are confined to limited field:
On water surface, do not have dynamic adaptable;
Need fixed mechanism between the module and/or need be attached to fixed mechanism on the water storage equipment perisporium;
In the middle of high-revolving wind, need to carry out grappling and retentive control.
International Patent Application WO 98/12392 discloses a kind of modular cover that is used for big zone, and it comprises flat polygon buoyancy body, and wherein the mask of buoyancy body has and has transverse edge and the local vertical wall that floods.This device has arched cover, and has a hole to be used for air inerchange on top cover.Although this wall width is bigger under wave and local high surface wind conditions, this lid still may be blown off water surface and upset.
Therefore, need a kind of modular device, it can be placed on bigger or less water surface zone at an easy rate, and stable and keep stable under high speed winds and wave condition.
Summary of the invention
For this reason, the invention provides a kind of relocatable module formula lid that is used for water storage equipment, it comprises a plurality of modules, and wherein each module comprises:
A) upper surface;
B) lower surface;
C) sidewall;
D) by cavity that upper surface, lower surface and sidewall limited;
E) floating installation that is associated with sidewall;
F) be arranged in the opening of lower surface, it allows water to enter described cavity;
G) be arranged in the opening of upper surface, it depends on that the water level that is arranged in described cavity allows air to flow into and flows out described cavity.
The osed top cavity is set, can guarantees water in cavity as ballast, with prevent module be blown at an easy rate around or tumble.Want enough greatly at the opening of lower surface, so that water can flow in the cavity apace in module is placed into water storage equipment the time; Wanting enough little simultaneously, only is to carry out lentamente so that discharge.This is the key difference between the disclosed equipment of the present invention and WO98/12392.
The shape of module will be chosen to provide a big surface cover, and its periphery is polygonal, and wherein the number of side is determined by required should being used for, so that module can be deposited on the water surface.
A) periphery of hexagonal shape will the setting-in pattern in packed structures the most closely, and can have the lid greater than 90% on whole water body.
B) periphery of octagon-shaped can carry out the setting-in pattern with rectangular space between module, and can have about 82% lid on whole water body.
C) in all cases, module chord section is preferably dimensioned to be 1.2m.
Although module can be linked together, preferably between module, do not carry out any connection, thereby make manufacturing and installation simply.In the middle of using, module is gathered easily in the zone that is subjected to prevailing wind control, and the quantity of the module of using is depended in the overlay area.Do not interfere the water crop by limiting evaporation of water, the shape of each module and between move and will preserve the water storage because enough zones will be exposed to allow water to carry out oxygenation.Also might use rope or cable so that a pack module is restricted to ad-hoc location.
In a preferred embodiment, upper and lower surface is identical and have identical opening, is used for the entrance and exit of sky G﹠W.This makes to install and becomes easily, because module needn't be placed on the particular surface at the top.Ideally, module is pushed to water along edge direction, to quicken the filling of hydraulic pressure loading.
Baffle plate can be placed between the upper and lower surface to generate two cavitys.Upper and lower surface can be slotted with the intensity that strengthens main body and is convenient to the fluid surface of flowing through.Preferably, the spine of grooved surface and paddy portion have formed the multiple spot Star Schema from the teeth outwards, and this can promote choked flow piece as multi-faceted wind especially effectively.
Floating installation can be any proper device, and being used for provides enough buoyancy to module, can float in the surface of water storage facilities so that have the module of ballast.
Another preferred aspect, this module is designed to allow to make at the scene, to have avoided the needs from manufactured place transportation.Blown-moulding or thermoforming are preferred manufacture methods, because blown-moulding or heat forming equipment can move and can be installed on the on-the-spot temporary plant.
Module is made at the scene and has been reduced cost of installation.
In a preferred embodiment, this module:
A) use the blown-moulding of standard or thermo shaping method to construct;
B) include the UV stabilizer that has mixed plastic molded material.This composition has determined the exposure lifetimes of module;
C) preferably be coated with white reflecting light and heat as much as possible, keeping water refrigerant, and make water vapor pressure low as much as possible.
Description of drawings
Below with reference to accompanying drawing several embodiments of the present invention are described, wherein:
Fig. 1 is the block diagram of the first embodiment of the present invention;
Fig. 2 is an exploded top block diagram embodiment illustrated in fig. 1;
Fig. 3 is lateral plan and a side schematic view embodiment illustrated in fig. 1;
Fig. 4 is the top perspective view of the second embodiment of the present invention;
Fig. 5 is the top axle view of the second embodiment of the present invention;
Fig. 6 is a decomposition top block diagram embodiment illustrated in fig. 5;
Fig. 7 is lateral plan and the side schematic view of the embodiment of Fig. 5;
Fig. 8 is the birds-eye view of the third embodiment of the present invention;
Fig. 9 is a side schematic view embodiment illustrated in fig. 8;
Figure 10 is a lateral plan embodiment illustrated in fig. 8;
Figure 11 is an exploded top block diagram embodiment illustrated in fig. 10;
Figure 12 is an in-to-in cutaway view embodiment illustrated in fig. 10;
Figure 13 is a top axle view embodiment illustrated in fig. 10, and the finger-type thing lining of wherein floating is covered with;
Figure 14 is a top portion diagrammatic view embodiment illustrated in fig. 10, has wherein inserted baffle plate;
Figure 15 is the axonometric drawing of four octagon modules in closestpacking structure embodiment illustrated in fig. 10;
Figure 16 is the top axle view of the 4th hexagon embodiment of the present invention;
Figure 17 is a right side view embodiment illustrated in fig. 16;
Figure 18 is a preceding sectional view embodiment illustrated in fig. 16, and it comprises the unsteady beanpod shape part of amplification;
Figure 19 is a decomposition axonometric drawing embodiment illustrated in fig. 16;
Figure 20 is the apical axis view of the fifth embodiment of the present invention;
Figure 21 is a lateral plan embodiment illustrated in fig. 20.
The specific embodiment
In first embodiment shown in Fig. 1 and 2, this module is clipped together and is formed by 3 parts.The shape of this module is the octagon pyramid, and has two chambers.Top section 11 and separator 12 have formed the leak free flotation chamber.This flotation chamber 18 can be filled with foam, to increase module strength and guarantee the performance of floating when penetrating.Bottom section 13 has water access hole 14 and base apertures 17 at sidepiece, so that when module is placed on the water surface, can be filled with water by separator 12 and lower curtate 13 formed water ballast chambeies.It is enough big that access hole 14 and 17 is wanted, so that water flows into this chamber, and allows water limited current in to keep water fresh; Enough little simultaneously, discharge with restriction.The gradient of upper surface will be designed to allow rainwater and chip to drop.These three sections can use clip 15 to clip together, or weld alternatively to form gas tight seal.
In second embodiment shown in Fig. 4-7, module has central ballast chamber, and has inlet port that air and hydraulic pressure loading use and circumferential floating ring.Upper surface 21 and lower surface 22 are sealed by the peripheral flange or the collar 24, and wherein floating ring 25 is connected on this peripheral flange or the collar 24.Water manhole appendix 23 is arranged in the lower curtate 22, so that be filled with water by section 21 and 22 formed chambeies, and allows water limited current in to keep water fresh, simultaneously be provided with the hydraulic pressure loading that is used for this module.It is enough big that water manhole appendix 23 is wanted, and to allow the inflow of water in the chamber, discharges with restriction but also want enough little.Pore 26 is arranged in the collar 24, being provided for the outlet of water manhole appendix 23, and at the pressure between the balanced upper and lower cavity in the middle of the storm wind.Section 21 and 22 is made by ultraviolet ray (UV) stabilizing material, but its blow molding, thermoforming or injection moulding.The interior octagon that is formed by section 22 when flooding is submerged pyramid and has limited discharge orifice 28, so that water is remained ballast, and than the bigger internal capacity of top octagon pyramid, is lifted in the high speed winds zone to prevent module.
The camber angle of outer octagon annulus 25 is 30 °, and it has limited and has been exposed to above inclement weather and high speed winds environment lower module be stacked in each other.Octagonal camber angle is designed to allow rainwater and the chip module that slips away in two.
The 3rd embodiment shown in Fig. 8-15 provides the module with same bottom and top section, so that each surface all is submerged.This module is utilized surface 31 and lateral edges 32 blow moldings or thermoforming.For the auxiliary ballast chamber that forms, two spaced, and strengthened by finger-type thing or buoyancy cavity 33, and wherein this finger-type thing or buoyancy cavity 33 are shaped in molding process and enough buoyancy to provide module to use is provided subsequently.This buoyancy cavity 33 is designed such that module has the unsteady performance of level on water surface.Lateral edges 32 comprises discharge orifice 35, is used for entering and discharging of sky G﹠W.Lateral edges 32 is designed to, by by 90% submergence and then form water cushion and reduce the module wear that causes from wind and water vibration and tear.Module surface slot out spine 34 and paddy portion 35 are to reduce the hoisting force in high wind condition.Depend on the wind condition, spine 34 can be straight line or bending sections.Paddy portion 35 has index or parabolic curve cross section.The combination of spine and paddy portion has formed star schema from the teeth outwards, and it is particularly effective that this promotes choked flow piece as comprehensive wind.
By baffle plate 36 is placed in the module, can under extreme weather conditions, realize ballast control.This baffle plate has the through hole 37 by wherein, and this through hole 37 provides limited inlet port for the top and the bottom of module.By the horizontal ballast distribution of limiting module, baffle plate can further reduce the hoisting force that acts on the module.This module is generally 1.2m, and the unsteady performance of inner chamber body and shape make that ballast should be the order of magnitude of 150kg.
The module that the fourth embodiment of the invention of Figure 16-19 provides has identical bottom and top section, so that each surface all is submerged, the 3rd embodiment is the same as described above.Compare with the octagon module, hexagonal shape makes module more tightly packed on the dam surface.In water quality with to ventilate be not that these just are particularly useful under the so important situation.Use custom-designed, can transport in the single method of bilateral formula heat forming equipment, this module can be designed to thermoforming at the scene especially.Polymer sheet can be single layer, or is preferably double-ply.To generate white layer (and reflector layer afterwards), bottom uses carbon as the UV impermeability energy of masterbatch with the enhancing poly-mer to top layer use titanium oxide as masterbatch.Two kinds of polymer master batchs mix mutually with the UV stabilizer, to prolong exposing the life-span of poly-mer.Except finger-type thing or flotation chamber 33 moved to periphery as beanpod shape part 40 from inside modules, the design class of this embodiment was similar to the 3rd embodiment.The top of this embodiment and bottom cone-shaped cavity have more folding part (or wrinkle portion), and it is expressed as spine 37 and paddy portion 38, to strengthen the intensity of module.The gradient of paddy portion 43 increases along with the summit 42 of close this device of paddy portion, is specifically designed under the wind speed conditions of higher and reduces castering action.The combination of spine and paddy portion has formed the multiple spot Star Schema from the teeth outwards, and it can promote bumper/spoiler as comprehensive wind effectively.Seal and crush seal in the thermoforming process around the top of module and the periphery 46 of the unsteady housing 45 of bottom beanpod shape, to generate the beanpod shape part 40 that floats.The summit of perimeter wall fillet 49 comprises discharge orifice, so that empty G﹠W enters and passes in and out.The top side of module and the edge of bottom side 47 are sealed in the thermoforming process, with the inner chamber 48 of generation module.
Figure 20 and 21 embodiment are big hot formed another hexagonal module of sheet material that is suitable for by high density polyethylene (HDPE) (HDPE).Two parts of this module are identical.The thickness of this sheet material can be as thin as 0.5mm, and forms two equal half modules in one two die unit, then pressurized and at peripheral heatsealing together.Each side of module has unsteady beanpod shape part 52.The beanpod shape part that should float can guarantee that module uprightly exceeds water surface, and the lower part of module is filled with the hydraulic pressure loading.These module surfaces are by roughly row's salient rib 53 reinforcings of 5 square millimeters.These ribs 53 extend from the side to center hub 55.Two hubs 55 comprise the hole that is used for water or air admission.In other respects, the function class of the module shown in Figure 20 and 21 is similar to previous embodiment.
For bigger and remote water storage equipment, the module in the middle of above-mentioned each embodiment can use transportable blowing and/or heat forming equipment (it can be installed on the temporary easement) to make at the scene.For example, Figure 20 and 21 embodiment can make by the hot former with two die cavitys, and wherein this hot former is installed on the below loader that can be delivered to water storage equipment place.Then, mold formed module can be placed in the water, and by lid and the minimizing evaporation of ballast filling to be provided for water.In case the larger proportion of water surface is capped, it is exactly considerable then evaporating the saving amount.Module can be made by the polymeric material of anti-Changes in weather, and has the probable life at least 10 years.
From the above, the invention provides a kind of unique solution that is used for water evaporation control.One of ordinary skill in the art can recognize that under the situation that does not depart from instruction of the present invention, the present invention can carry out various variations.
Claims (9)
1. relocatable module formula water cover that is used for water storage equipment, it comprises a plurality of modules, wherein each module comprises:
A) upper surface;
B) lower surface;
C) by cavity that upper surface and lower surface limited;
D) be arranged in the opening of lower surface, it allows water to enter described cavity;
E) be arranged in the opening of upper surface, it depends on that the water level that is arranged in described cavity allows air to flow into and flows out described cavity, with the ballast that provides each module to use;
F) floating installation that is associated with each module is used to guarantee each module float.
2. the relocatable module formula water cover that is used for water storage equipment as claimed in claim 1, wherein said upper and lower surface is identical on function.
3. the relocatable module formula water cover that is used for water storage equipment as claimed in claim 1, wherein said floating installation is mounted in the buoyancy ring on the module periphery.
4. the relocatable module formula water cover that is used for water storage equipment as claimed in claim 1, wherein said floating installation is arranged in the described cavity.
5. the relocatable module formula water cover that is used for water storage equipment as claimed in claim 2, wherein said floating installation has a plurality of sides, and is being furnished with float chamber on the described side or on each bight between a plurality of sides.
6. the relocatable module formula water cover that is used for water storage equipment as claimed in claim 1, wherein said upper surface tilts, so that rainwater or chip can not keep from the teeth outwards.
7. the relocatable module formula water cover that is used for water storage equipment as claimed in claim 2, wherein said surface fluting or ribbing are to reinforce the surface of module.
8. the relocatable module formula water cover that is used for water storage equipment as claimed in claim 2, wherein said upper and lower surface defines hexagon or octagon pyramid.
9. the relocatable module formula water cover that is used for water storage equipment as claimed in claim 2, wherein said module is formed by blown-moulding or thermoforming.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2004904178 | 2004-07-28 | ||
| AU2004904178A AU2004904178A0 (en) | 2004-07-28 | Free floating polygonal modules for the evaporative control of water storage | |
| AU2004904282 | 2004-08-02 | ||
| AU2004906329 | 2004-11-04 | ||
| AU2005901415 | 2005-03-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1989053A CN1989053A (en) | 2007-06-27 |
| CN100532222C true CN100532222C (en) | 2009-08-26 |
Family
ID=38185414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800253822A Expired - Fee Related CN100532222C (en) | 2004-07-28 | 2005-07-27 | evaporation control device for water storage equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100532222C (en) |
| ZA (1) | ZA200700378B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2443665A4 (en) * | 2009-06-17 | 2012-11-14 | Water Innovations Power And Technology Holdings Pty Ltd | Waterborn solar generators |
| WO2014193870A1 (en) * | 2013-05-29 | 2014-12-04 | Arkema Inc. | Chemical resistant evaporation control structures |
| CN112298821A (en) * | 2019-08-02 | 2021-02-02 | 中国石油化工股份有限公司 | Floating cover unit for fixed-roof tank, floating cover and fixed-roof tank |
| CN115231142A (en) * | 2021-04-23 | 2022-10-25 | 中国石油化工股份有限公司 | Self-assembly floating cover |
-
2005
- 2005-07-27 CN CNB2005800253822A patent/CN100532222C/en not_active Expired - Fee Related
-
2007
- 2007-01-12 ZA ZA200700378A patent/ZA200700378B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN1989053A (en) | 2007-06-27 |
| ZA200700378B (en) | 2008-09-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WATER GUARD GROUP CO., LTD. Free format text: FORMER OWNER: WATER INNOVATIONS PTY LTD. Effective date: 20100927 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20100927 Address after: Melbourne, Australia Patentee after: Water Guardian Group Limited Address before: Queensland, Australia Patentee before: Water Innovations Pty Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Vitoria, Australia Patentee after: Water Guardian Group Limited Address before: Melbourne, Australia Patentee before: Water Guardian Group Limited |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090826 Termination date: 20150727 |
|
| EXPY | Termination of patent right or utility model |