CN203814297U - Anti-evaporating, drought-resisting and water-retentive device - Google Patents
Anti-evaporating, drought-resisting and water-retentive device Download PDFInfo
- Publication number
- CN203814297U CN203814297U CN201420213750.2U CN201420213750U CN203814297U CN 203814297 U CN203814297 U CN 203814297U CN 201420213750 U CN201420213750 U CN 201420213750U CN 203814297 U CN203814297 U CN 203814297U
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- Prior art keywords
- overlay film
- water
- film
- drought
- holes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000001704 evaporation Methods 0.000 title abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000004677 Nylon Substances 0.000 claims abstract description 8
- 229920001778 nylon Polymers 0.000 claims abstract description 8
- 239000003643 water by type Substances 0.000 claims description 15
- 230000002265 prevention Effects 0.000 claims description 12
- 238000009834 vaporization Methods 0.000 claims description 12
- 230000008016 vaporization Effects 0.000 claims description 12
- 238000005187 foaming Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 229920002748 Basalt fiber Polymers 0.000 claims description 2
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 239000002657 fibrous material Substances 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims 1
- 239000010408 film Substances 0.000 abstract description 65
- 230000008020 evaporation Effects 0.000 abstract description 21
- 239000010409 thin film Substances 0.000 abstract description 6
- 239000002131 composite material Substances 0.000 abstract 1
- 230000005484 gravity Effects 0.000 abstract 1
- 238000010030 laminating Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Tents Or Canopies (AREA)
Abstract
The utility model discloses an anti-evaporating, drought-resisting and water-retentive device. The anti-evaporating, drought-resisting and water-retentive device is characterized in that the surface of a water area is covered with two layers of water-insoluble laminated overlay films with specific gravity below 1 and numerous through holes which are capable of performing relative motion; in order to composite an upper-layer overlay film in the two layers of overlay films, an overlay film with large coefficient of thermal expansion is formed in such a manner that a material thin film with large coefficient of thermal expansion is internally clamped with a material grid with small coefficient of thermal expansion; an lower-layer overlay film is small in coefficient of thermal expansion and fine in heat-insulating performance; and small blocks of thin films are buckled to be laid into large blocks of thin films by the overlay films with the aid of nylon fasteners. Water evaporation is carried out only by portions with the through holes after film laminating of the water area. Film holes of the upper-layer overlay film are reduced at high temperature during the drought to reduce evaporation capacity. Films holes of the upper-layer overlay film and the lower-layer overlay film are expanded so that rainwater can smoothly flow through the film holes to the water area at lower temperature during rainy days. Air exchange of the water area is ensured by the countless through holes of the overlay films. The anti-evaporating, drought-resisting and water-retentive device is simple in structure and low in cost and is capable of effectively amount of water evaporation and has functions of water retention and protection against drought.
Description
Technical field
The utility model relates to the water conservation water saving field in waters, is specially a kind of vaporization prevention drought-resistant water-preserving device.
Background technology
Due to the differentiation of weather hydrologic process, on the earth, the Precipitation and evaporation of each department is uneven.Say simply, when evaporation surpasses precipitation, form " arid area of lack of water ", otherwise form " humid region of Fu Shui ".The countries and regions of whole world drought and water shortage are numerous, and China also belongs to serious water shortage country.China's arid and semi-arid area area is vast, accounts for 51% of territory total area.The general weather in drought-hit area is xeothermic, and water evaporation quantity is large.Research shows, China's Loess Plateau natural rainfall in the distribution of underlying surface is: 20%～25% forms primary productivity, and 10%～15% forms water and soil loss, and 60%～70% is invalid evaporation.Therefore, take necessary measure to store the precipitation of drought-hit area, prevent moisture evaporation, by the production of drought-hit area, life are played a positive role, directly affect the national economy of arid countries and regions.
Summary of the invention
The purpose of this utility model is to provide the device of a kind of effective reduction waters evaporation discharge, for realizing this object, the utility model by the following technical solutions:
A vaporization prevention drought-resistant water-preserving device, is characterized in that: on waters surface, naturally cover upper and lower two-layer water insoluble, than weight average be less than 1, with the stacked overlay film of through holes in a large number, upper and lower two-layer overlay film can be movable relatively.
Described upper strata overlay film is composited with the large little material grid of film inner clip thermal coefficient of expansion of two-layer thermal coefficient of expansion, and the grid material that described thermal coefficient of expansion is little comprises the fine rules such as lightweight aluminium wire, carbon fiber, basalt fiber material.The film of inner clip grid had both increased its intensity greatly, and protection lower floor foaming heat insulation film, has improved service life, can keep again the stability of the dimensional structure of whole waters overlay film simultaneously.In the upper strata overlay film grid forming by the method, the thermal coefficient of expansion of partial thin film is large.
Lower floor's overlay film adopts modified foaming rubber-plastics material to make, the thermal coefficient of expansion of this overlay film is little, and heat-proof quality is good, makes water layer under film keep low temperature and can make the low temperature in the overlay film isolated water of upper strata, upper strata overlay film can better reduce its fenestra aperture when heat and drought condition expands, and reduces the evaporation discharge of moisture.
Described lower floor's overlay film aperture is greater than the maximum diameter of hole of upper strata overlay film.The upper and lower all fenestras of overlay film are concentric circles.Particle water 1x10^4 micron during heavy rain, moderate rain particle water 2x10^3 to 3x10^3 when raining heavyly, the molecular diameter of steam is 4x10^-4 micron.Described fenestra aperture is not less than 1x10^4 micron, and when upper strata overlay film expands, fenestra aperture is not less than 4x10^-4 micron, to guarantee that rainwater flows into this waters, and the gas exchange while having guaranteed again high temperature.The described fenestra gross area accounts for 10% to 30% of whole coverlay area.
Described overlay film hasp technology adopts the edge pressing lap nylon buckles of fritter film, during laying, piece piece film is coordinated to hasp, when cleaning waters or other need be removed overlay film, nylon buckles is untied, and facilitates overlay film to lay and dismounting.
Water becomes steam state by liquid state or Solid State Transformation, and the process escaping in atmosphere is called evaporation.And evaporation discharge refers to that, within certain period, moisture spreads to aerial amount through evaporation.General area is larger, temperature is higher, humidity is less, wind speed is larger, air pressure is lower, evaporation discharge is just larger; Otherwise evaporation discharge is just less.
Described a kind of vaporization prevention drought-resistant water-preserving device is by water-retaining film in the surface coverage of whole waters, and only lead to the hole site has evaporation, greatly reduces disengagement area, reduces water evaporation quantity.During heat and drought condition, the film temperature on upper strata is high, and lower film heat-proof quality is good, make water layer under film keep low temperature to prevent that again the temperature of topmost thin film from reducing, under the effect of heat expansion, topmost thin film fenestra aperture can dwindle, and further reduces disengagement area, has reduced evaporation discharge.Described through hole has guaranteed the gas exchange in waters, and when rainy or air humidity is large, the water on film top layer can flow in waters along through hole, to waters, injects new former water resource.
Described waters comprises paddy field, pond, reservoir, lake, rivers (in territory, obstructed navigating area) etc.Described vaporization prevention drought-resistant water-preserving device can be according to cultivation or other demands, and surface does not all cover described water-retaining film or in other the adaptability repacking of this technical do.
Accompanying drawing explanation
Fig. 1 is the sectional schematic diagram of reservoir in the utility model embodiment.
Fig. 2 is the enlarged diagram at figure A place.
Fig. 3 is the vertical view of the utility model embodiment.
Primary clustering symbol description:
1: water, 2: upper strata overlay film, 3: lower floor's overlay film, 4: silk screen, 5: fenestra, 6: nylon buckles.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.
As shown in Figure 1, 2, 3, on reservoir water 1 surface, naturally cover upper strata overlay film 2, lower floor's overlay film 3.Two-layer water insoluble, the proportion of upper strata overlay film 2 use is 0.92, thickness is that the aluminium alloy silk screen 4 that modification ldpe film inner clip diameter that 0.5mm, thermal coefficient of expansion are large is 0.6mm is composited.The modification XPS expanded material that lower floor's overlay film 3 use are water insoluble, proportion is 0.3, it is good that thickness is 0.5mm, heat-proof quality is made.Upper strata overlay film 2 and lower floor's overlay film 3 are provided with a large amount of fenestra 5, and fenestra 5 maximums diameter of hole of upper strata overlay film 2 are 0.5mm, and fenestra 5 gross areas account for 10% of the upper strata overlay film gross area, and fenestra 5 apertures of lower floor's overlay film 3 are 1mm, and the fenestra 5 of upper and lower two-layer overlay film is concentric circles.Upper strata overlay film 2 and lower floor's overlay film 3 all adopt the mode hasp at the edge of fritter film pressing lap nylon buckles 6 to form.At reservoir periphery, fixedly anchor ear (not shown in FIG.) is set, with described overlay film periphery one by one relative link and/or hook (not shown in FIG.) be mutually.
Described a kind of vaporization prevention drought-resistant water-preserving device, by whole the above water-retaining film of reservoir water 1 surface coverage, only plays ventilated and evaporation by fenestra 5, greatly reduces disengagement area, reduces water evaporation quantity.During heat and drought condition, overlay film 2 temperature in upper strata are high, with lower floor's overlay film 3 that expanded material forms stoped again with water in low temperature carry out heat transmission and cause the temperature of upper strata overlay film 2 to reduce, under the effect of heat expansion, fenestra 5 apertures of upper strata overlay film 2 can dwindle, further reduce disengagement area, reduced evaporation discharge.When rainy or air humidity is large, the water on film top layer can flow in reservoirs along numerous fenestras 5, to reservoir, inject new former water resource.
The above; it is only preferably embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (6)
1. a vaporization prevention drought-resistant water-preserving device, is characterized in that: on surface, waters, naturally cover upper and lower two-layer water insoluble, than weight average be less than 1, with the stacked overlay film of through holes in a large number; Upper and lower two-layer overlay film can be movable relatively.
2. a kind of vaporization prevention drought-resistant water-preserving device as claimed in claim 1, it is characterized in that: described upper strata overlay film and/or adopt the little material grid of film inner clip thermal coefficient of expansion that two-layer thermal coefficient of expansion is large to be composited, the grid material that described thermal coefficient of expansion is little comprises the fine rule of lightweight aluminium wire, carbon fiber, basalt fiber material.
3. a kind of vaporization prevention drought-resistant water-preserving device as claimed in claim 1, is characterized in that: the thermal coefficient of expansion of described upper strata overlay film is large, adopts PE, PP, PET, PVC, PS, ABS, EVA and nylon and material modified, comprises waterproof ventilated membrane; The thermal coefficient of expansion of described lower floor overlay film is little, and heat-proof quality is good, adopts PE, PP, PET, PVC, PS, ABS, EVA and nylon and modified foaming material thereof.
4. a kind of vaporization prevention drought-resistant water-preserving device as claimed in claim 1, is characterized in that: described lower floor's overlay film fenestra aperture is greater than the maximum diameter of hole of upper strata overlay film fenestra, and the upper and lower all fenestras of overlay film are concentric circles.
5. a kind of vaporization prevention drought-resistant water-preserving device as claimed in claim 1, is characterized in that: described overlay film adopts hasp technology to be spliced, the periphery pressing lap nylon buckles of fritter film, and piece piece film interlocks and forms the coverlay in whole waters.
6. a kind of vaporization prevention drought-resistant water-preserving device as claimed in claim 1, is characterized in that: the fixing means of the coverlay in whole waters, at waters periphery, fixedly anchor ear is set, with overlay film periphery one by one relative link and/or hook be mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420213750.2U CN203814297U (en) | 2014-04-29 | 2014-04-29 | Anti-evaporating, drought-resisting and water-retentive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420213750.2U CN203814297U (en) | 2014-04-29 | 2014-04-29 | Anti-evaporating, drought-resisting and water-retentive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203814297U true CN203814297U (en) | 2014-09-10 |
Family
ID=51469857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420213750.2U Expired - Lifetime CN203814297U (en) | 2014-04-29 | 2014-04-29 | Anti-evaporating, drought-resisting and water-retentive device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203814297U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113089587A (en) * | 2021-04-07 | 2021-07-09 | 华北水利水电大学 | System for inhibiting water evaporation of large open channel and generating power by solar energy and water flow |
-
2014
- 2014-04-29 CN CN201420213750.2U patent/CN203814297U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113089587A (en) * | 2021-04-07 | 2021-07-09 | 华北水利水电大学 | System for inhibiting water evaporation of large open channel and generating power by solar energy and water flow |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170621 Address after: 361000 Fujian province Xiamen Software Park Siming District Road No. 39 room 304 two expected Patentee after: XIAMEN SANHE CHAODAO INTELLIGENT TECHNOLOGY CO.,LTD. Address before: 361000 Fujian province Xiamen Software Park Siming District Two Road No. 39 room 210-A expectations Patentee before: Jiang Liping |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |
|
| CX01 | Expiry of patent term |