CN203498793U - Rubber wall for improving under-dam riverway gas super-saturation - Google Patents
Rubber wall for improving under-dam riverway gas super-saturation Download PDFInfo
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- CN203498793U CN203498793U CN201320634301.0U CN201320634301U CN203498793U CN 203498793 U CN203498793 U CN 203498793U CN 201320634301 U CN201320634301 U CN 201320634301U CN 203498793 U CN203498793 U CN 203498793U
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- rubber wall
- water body
- saturation
- bag
- elastomeric wall
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Abstract
The utility model discloses a rubber wall for improving under-dam riverway gas super-saturation. The rubber wall comprises rubber wall elements. Each rubber wall element is composed of bags and an anchoring device for fixing the bags. The rubber wall is simple in structure, convenient to install, easy to place, suitable for various riverway conditions, free of requiring an external power device, economical and environmentally friendly, and the kinetic energy of a water body is sufficiently used; part of the horizontal flow speed is converted into the vertical flow speed through the rubber wall, the vertical mixing capacity of the water body is strengthened, the time for conveying super-saturation gas contained in the bottom of the water body to the surface can be greatly shortened, the super-saturation gas can be rapidly separated out after the effect of the hydrostatic pressure is reduced, and the gas super-saturation phenomenon, caused by discharging the water body of a dam, in the downstream water body can be effectively remitted.
Description
Technical field
The utility model relates to the device that improves of dam downstream river course dissolved gas supersaturation phenomenon, specifically a kind of elastomeric wall that improves river course dissolved gas supersaturation under dam.
Background technology
When reservoir upstream incoming flow concentration of dissolved gas approaches when saturated, reservoir sluices by gate dam, huge flood entrainments airborne a large amount of gas and directly rushes down underwater bed, in natural situation, supersaturated gas is more difficult to be separated out from deep water, cause the supersaturation of downstream river course concentration of dissolved gas, and influence basin is wider, directly cause the aquatic animals such as fish dead because suffering from bubble illness, as opened a sluice gate earial drainage in the step hydropower station on U.S.'s Colambia River, Zhejiang Province's Xin ' anjiang Reservoir is opened a sluice gate earial drainage and Canadian large mark's tower quark power station lower reache etc. has juvenile fish in various degree to occur bubble illness and dead phenomenon.In order effectively to protect aquatile, should take measures to weaken influence degree and the scope of this phenomenon.In current research, not yet someone proposes to facilitate feasible improvement measure.
Utility model content
?technical problem to be solved in the utility model is, overcomes the shortcoming of prior art, and a kind of elastomeric wall that improves river course dissolved gas supersaturation under dam is provided, simple in structure, the duration is short, flexible operation, can effectively improve dissolved gas supersaturation phenomenon in river course under dam.
?the technical scheme that the utility model solves above technical problem is: a kind of elastomeric wall that improves river course dissolved gas supersaturation under dam comprises elastomeric wall element, and elastomeric wall element is by bag, and the anchor device of fixing described bag forms.
All right, elastomeric wall element comprises three bags, has interval between bag.
further, bag two ends are all sealed.
Further, between bag, spaced length is not less than 0.5 times of bag length.
Further, the material such as polyamide fibre or polyvinyl canvas is made stress frame in bag, neoprene is done topping combination and made.
?the beneficial effects of the utility model are: use above structure knot, elastomeric wall element is built in bottom, riverbed with concrete floor, is submerged in river, does not affect the proper flow in river.Lower floor's supersaturation water body is because stopping of bottom body of wall produces to the defeated component velocity of moving of surface water, bag can produce slightly vibration under water impact, strengthened the vertical blending diffusion of surface and bottom water, reach and accelerate the defeated shift-in journey in bottom current direction top layer, river course, significantly reduce dissolved gas supersaturation phenomenon effect and scope, effectively improve the object of dissolved gas supersaturation phenomenon in river course under dam.Meanwhile, high in order to prevent water surface harmony, bag interval is arranged.
?the utility model is simple in structure, easy for installation, places simply, is applicable to various river courses condition, without external motive device, makes full use of water body self kinetic energy, economic environmental protection; The utility model transfers the horizontal flow velocity of a part to vertical flow velocity, strengthen the vertical mixing capacity of water body, can significantly reduce in the water body of bottom that contained supersaturated gas is defeated moves to surperficial required time, supersaturated gas reduces can separate out rapidly after effect in hydrostatic pressure, can effectively alleviate and under dam water body, let out the dissolved gas supersaturation phenomenon in the downstream water body causing.The power of river course dissolved gas supersaturation phenomenon under dam, suitably regulates wall high, while not needing, and water or gas in can emptying wall bag, strong adaptability, flexible operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
?in figure: elastomeric wall element 1, bag 2, anchor device 3, concrete foundation base plate 4.
The specific embodiment
?as shown in Figure 1; anchor device 3 is anchored at elastomeric wall element 1 on concrete floor 4; the bag 2 of elastomeric wall element 1 has three; and three bag 2 intervals are arranged; spacing is not less than 0.5 times of bag 2 length, bag 2 by the materials such as polyamide fibre or polyvinyl canvas make stress frame, neoprene forms as topping.
?work principle: during use, according to the needs of the geographical environment in river course, in river course magnitude setting different to elastomeric wall element 1, and to the interior water-filling of bag 2 or inflation, make it inflation and form body of wall, the effect of body of wall makes current produce to top layer the defeated component velocity of moving, elastomeric wall element 1 can produce slightly vibration under water impact, also contribute to increase the vertical turbulent fluctuation diffusion of water body, reach and accelerate the defeated shift-in journey in bottom current direction top layer, river course, significantly reduce dissolved gas supersaturation phenomenon effect and scope, effectively improve the object of dissolved gas supersaturation phenomenon in river course under dam.
For the improve effect of experiment the utility model to dissolved gas supersaturation phenomenon, at a certain width, it is 11 meters, the depth of water is with an elastomeric wall element 1, to test in the river of 5 meters, concrete foundation base plate 4 is arranged in riverbed bottom thickness and is about 0.3 meter, after bag 2 inflation of elastomeric wall element 1, be highly that 1.2 meters, length are about 2.32 meters, bag 2 intervals are about 1.5 meters.In experiment, find: under water impact, experimental facilities is fixing fine in bottom, can not drift about, and flow impact is thick to body of wall, and flow velocity direction obviously becomes to upper stream moving, and bottom water body is brought to top layer fast.In experiment, choose three measuring points in the downstream of rubber body of wall set-point in June, 2012, measures the average staturations of the dissolved oxygen of bottom water body with many ginseng instrument, and experimental data is as following table 1: as can be seen from Table 1, the supersaturation in water body be improved significantly.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
| Sampled point | Before experiment | After test | Supersaturation improvement rate |
| 1 | 113 | 107 | 46% |
| 2 | 111 | 105 | 55% |
| 3 | 108 | 102 | 75% |
Note: sample below the water surface 4.3 meters, respectively apart from 6 meters of bodies of wall, 8 meters and 10 meters.
Claims (5)
1. an elastomeric wall that improves river course dissolved gas supersaturation under dam, it is characterized in that: the described elastomeric wall that improves river course dissolved gas supersaturation under dam comprises elastomeric wall element (1), described elastomeric wall element (1) is by bag (2), and the anchor device (3) of fixing described bag (2) forms.
2. the elastomeric wall that improves river course dissolved gas supersaturation under dam according to claim 1, is characterized in that: described elastomeric wall element (1) comprises three bags (2), and bag has interval between (2).
3. the elastomeric wall that improves river course dissolved gas supersaturation under dam according to claim 2, is characterized in that: described bag (2) two ends are all sealed.
4. the elastomeric wall that improves river course dissolved gas supersaturation under dam according to claim 2, is characterized in that: between described bag (2), spaced length is not less than 0.5 times of institute's bag (2) length.
5. according to the elastomeric wall that improves river course dissolved gas supersaturation under dam one of claim 1-2 Suo Shu, it is characterized in that: the interior polyamide fibre of described bag (2) or polyvinyl canvas material are made stress frame, neoprene is done topping combination and made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320634301.0U CN203498793U (en) | 2013-01-22 | 2013-10-15 | Rubber wall for improving under-dam riverway gas super-saturation |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320033938 | 2013-01-22 | ||
| CN201320033938.4 | 2013-01-22 | ||
| CN201320634301.0U CN203498793U (en) | 2013-01-22 | 2013-10-15 | Rubber wall for improving under-dam riverway gas super-saturation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203498793U true CN203498793U (en) | 2014-03-26 |
Family
ID=50329785
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310479540.8A Pending CN103938577A (en) | 2013-01-22 | 2013-10-15 | Rubber wall capable of improving supersaturation of gas in river channel under dam |
| CN201320634301.0U Expired - Fee Related CN203498793U (en) | 2013-01-22 | 2013-10-15 | Rubber wall for improving under-dam riverway gas super-saturation |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310479540.8A Pending CN103938577A (en) | 2013-01-22 | 2013-10-15 | Rubber wall capable of improving supersaturation of gas in river channel under dam |
Country Status (1)
| Country | Link |
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| CN (2) | CN103938577A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938577A (en) * | 2013-01-22 | 2014-07-23 | 三峡大学 | Rubber wall capable of improving supersaturation of gas in river channel under dam |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113023814B (en) * | 2021-02-03 | 2022-06-17 | 四川大学 | Liftable hydraulic device for promoting level recovery of dissolved gas in water body based on step aeration |
| CN113109528B (en) * | 2021-04-12 | 2022-05-13 | 四川大学 | Engineering measure for reducing supersaturation of dissolved gas in water under dam |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4776724A (en) * | 1986-05-05 | 1988-10-11 | Nippon Kokan Kabushiki Kaisha | Floating wave dissipation structure |
| US20100178109A1 (en) * | 2009-01-09 | 2010-07-15 | Dave David Matthew Wilson | Self-adjusting wave break |
| CN102219313B (en) * | 2011-02-23 | 2012-07-04 | 河海大学 | Method for improving water quality of steep-slope river by drop-aeration |
| CN202440802U (en) * | 2012-02-01 | 2012-09-19 | 戴会超 | Unpowered improving device for supersaturation of under-dam riverway gas |
| CN102852122B (en) * | 2012-10-15 | 2013-09-04 | 戴会超 | Eco-friendly subsidiary dam capable of improving gas supersaturation |
| CN103938577A (en) * | 2013-01-22 | 2014-07-23 | 三峡大学 | Rubber wall capable of improving supersaturation of gas in river channel under dam |
-
2013
- 2013-10-15 CN CN201310479540.8A patent/CN103938577A/en active Pending
- 2013-10-15 CN CN201320634301.0U patent/CN203498793U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938577A (en) * | 2013-01-22 | 2014-07-23 | 三峡大学 | Rubber wall capable of improving supersaturation of gas in river channel under dam |
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| Publication number | Publication date |
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| CN103938577A (en) | 2014-07-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20141015 |
|
| EXPY | Termination of patent right or utility model |