CN214218508U - River sediment in-situ sealing and underwater ecological restoration ecological blanket - Google Patents
River sediment in-situ sealing and underwater ecological restoration ecological blanket Download PDFInfo
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- CN214218508U CN214218508U CN202023196524.2U CN202023196524U CN214218508U CN 214218508 U CN214218508 U CN 214218508U CN 202023196524 U CN202023196524 U CN 202023196524U CN 214218508 U CN214218508 U CN 214218508U
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Abstract
The utility model discloses a river course sediment normal position is sealed up and is deposited and ecological restoration ecological blanket under water, it includes waterproof layer, counter weight layer, nutrition layer and the planting layer that from the bottom up set gradually, be provided with the pipe that the river face was stretched out to one end in the waterproof layer, the side that the pipe is located waterproof intraformational part is provided with the air vent. The utility model discloses have the effect of being convenient for judge whether ecological blanket seals up the bed mud and deposits.
Description
Technical Field
The utility model belongs to the technical field of the technique of river course pollution control and specifically relates to a river course bed mud normal position is sealed up and is deposited and ecological blanket of ecological remediation under water.
Background
A great amount of pollutants, such as nitrogen and phosphorus nutrient salts, heavy metals, refractory organic matters and the like exist in bottom mud of rivers, lakes and reservoirs. The sediment is used as an important component of the water body and is subjected to complex material exchange with the water body, and under certain conditions, pollutants can be dissolved out of the sediment and released into the water body, so that the water body is polluted. In addition, a large amount of microorganisms exist in the bottom mud, the microorganisms are positioned at the bottommost layer of the food chain, and pollutants in the bottom mud can be gradually enriched upwards along with the food chain, so that the health of the organisms in the water body is endangered, and the water quality is influenced. Therefore, the remediation effect of the sediment and the improvement of the water quality have close effects, and the development of an effective remediation technology becomes more important.
The prior Chinese utility model with the publication number of CN206337131U discloses an ecological blanket for in-situ remediation of polluted bottom mud, which comprises a four-layer structure, namely a surface layer, a plant layer, an active layer and a carrier layer from top to bottom, and piles and concrete nails for fixing the ecological blanket in a river bed are arranged at the edge or inside of the ecological blanket; the ecological blanket can cover the bottom sediment of the polluted water body to isolate the pollutants in the bottom sediment from entering the water body; meanwhile, the pollutants in the bottom mud are absorbed and degraded by the aquatic plants in the vegetation layer and the active substances in the active layer.
Chinese patent with publication No. CN106946339B discloses an in-situ river purification and ecological restoration method, which comprises pumping and solarizing river water, removing endogenous pollutants by natural oxidation, covering clay on the solarized bottom mud, turning over, continuously solarizing to further reduce endogenous pollutants, building a bank slope by the solarized bottom mud to form a gentle slope with a certain gradient, continuously solarizing, installing microporous aeration equipment at the river bottom, planting emergent aquatic plants on the built gentle slope after the water level is restored, purifying sewage in the flowing process, and removing pollutants in situ.
The above prior art solutions have the following drawbacks: although the bottom mud at the bottom of the existing ecological blanket can be sealed, the plants are planted on the ecological blanket, and whether the ecological blanket has a good sealing effect or not can not be judged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a river course bed mud normal position is sealed up and is deposited and ecological restoration ecological blanket under water, it has the effect of being convenient for judge whether ecological blanket seals up the bed mud and deposits.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a river course sediment normal position is sealed up and is deposited and ecological restoration ecological blanket under water, includes waterproof layer, counter weight layer, nutrition layer and the planting layer that from the bottom up set gradually, be provided with the pipe that one end stretches out the river surface in the waterproof layer, the side that the pipe is located the intraformational part of waterproof is provided with the air vent.
Through adopting above-mentioned technical scheme, the waterproof layer is used for intercepting the pollutant diffusion of river course bottom, the weight layer enables ecological blanket to keep waterproof layer and river course bottom surface to compress tightly the contact under self action of gravity, improve the stability that ecological blanket placed, it is used for planting of plant to plant the layer, the nutritive layer provides nutritive material for the growth of plant, the plant root system of planting the layer can pass the nutritive layer, the weight layer, the waterproof layer, stretch out the river face with pipe one end, when needs provide the air for the root system of planting the layer, send into gas in using compressor or other air supply equipment case pipes, supply plant root system to absorb behind the messenger's gas admission waterproof layer, on the other hand is whether there is the pollutant seepage for can be detected through the gas that detects in the pipe in maintenance phase and monitoring phase.
The utility model discloses further set up to: and sodium bentonite is arranged in the waterproof layer.
By adopting the technical scheme, the sodium bentonite expands after absorbing water, so that pollutants in the bottom surface of the river channel are prevented from leaking into the water body of the river channel, and the target pollutants are prevented from diffusing.
The utility model discloses further set up to: the weight layer is provided with natural sand stones.
By adopting the technical scheme, the natural sandstone is used as the counterweight, so that the counterweight is low in cost, is not easy to corrode, and has small biological influence on the riverway.
The utility model discloses further set up to: the nutrition layer comprises natural biomass materials and planting soil; the natural biomass material comprises rice straw and wheat straw.
By adopting the technical scheme, the planting soil and the natural biomass material are used for providing nutrient substances for the plants in the planting layer together, so that the nutrition is more sufficient, and the growth of the plants in the planting layer is facilitated.
The utility model discloses further set up to: the planting layer is submerged plant including hornwort and potamogeton crispus.
By adopting the technical scheme, the plant seeds of the golden fish algae or/and the potamogeton crispus are directly thrown into water, and after a plurality of days, the plant seeds naturally and slowly sink into a water bottom nutrition layer to form a planting layer.
The utility model discloses further set up to: including being fixed in the spud pile in river course, the spud pile is used for compressing tightly the waterproof layer in the river course bottom surface.
Through adopting above-mentioned technical scheme, lay the back with ecological blanket, squeeze into the river course bottom with the spud pile, the spud pile compresses tightly with ecological blanket, further improves the stability of waterproof layer and the contact of river course bottom surface on the ecological blanket.
The utility model discloses further set up to: the fixing pile is a T-shaped concrete block.
Through adopting above-mentioned technical scheme, insert the vertical part of T type spud pile into the river course bottom, push down the spud pile, the horizontal part of spud pile compresses tightly with ecological blanket.
The utility model discloses further set up to: and an adsorbent is arranged in the waterproof layer.
By adopting the technical scheme, the adsorbent can adsorb harmful substances on the bottom surface of the river channel, so that the concentration of the pollutants is further reduced.
The utility model discloses further set up to: the conduit is a PVC pipe.
By adopting the technical scheme, the PVC pipe has the advantages of good corrosion resistance, light weight and good stability, and is not easy to decompose and generate harmful substances.
The utility model discloses further set up to: the conduit is a bellows.
By adopting the technical scheme, the guide pipe with the corrugated pipe structure is convenient for bending in the production and transportation process of the ecological blanket.
To sum up, the utility model discloses a following at least one beneficial effect:
1. the waterproof layer is used for intercepting the diffusion of pollutants at the bottom layer of the river channel, the counterweight layer can enable the ecological blanket to keep the waterproof layer in pressing contact with the bottom surface of the river channel under the action of self gravity, the placing stability of the ecological blanket is improved, the planting layer is used for planting plants, the nutrient layer provides nutrient substances for the growth of the plants, plant root systems of the planting layer can penetrate through the nutrient layer, the counterweight layer and the waterproof layer, one end of the guide pipe extends out of the river surface, when air is needed to be provided for the root systems of the planting layer, air is fed into the guide pipe of the air compressor or other air feeding equipment box, the air is enabled to enter the waterproof layer and then be absorbed by the plant root systems, and on the other hand, whether pollutants leak or not exists can be detected through the air in the detection guide pipe in the maintenance period and the monitoring period;
2. the adsorbent can adsorb harmful substances on the bottom surface of the river channel, so that the concentration of the pollutants is further reduced;
3. the conduit with the corrugated pipe structure is convenient for bending in the production and transportation process of the ecological blanket.
Drawings
FIG. 1 is a schematic cross-sectional view of the first embodiment;
fig. 2 is a schematic overall sectional structure of the third embodiment.
In the figure, 1, a waterproof layer; 2. a weight layer; 3. a nutritive layer; 4. planting a layer; 5. a conduit; 51. a vent hole; 6. and (6) fixing the pile.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example one
Referring to fig. 1, do the utility model discloses a river sediment normal position is sealed up and is deposited and ecological restoration ecological blanket under water, include waterproof layer 1, counter weight layer 2, nutrition layer 3 and the planting layer 4 that from the bottom up set gradually.
The waterproof layer 1 contacts with the bottom mud at the bottom of the river channel, and the sodium bentonite is arranged in the waterproof layer 1, and expands after absorbing water, so that pollutants in the bottom of the river channel are prevented from leaking into the water body of the river channel, and the target pollutants are prevented from diffusing. The waterproof layer 1 comprises geotextile or other similar materials for supporting the ecological blanket as a whole.
Be provided with the pipe 5 that one end stretches out the river face in waterproof layer 1, pipe 5 includes the standpipe that sets up along vertical direction and the violently pipe that communicates with the standpipe, the river face is stretched out to the last port of standpipe, the lower port of standpipe is connected with the violently pipe that is located waterproof layer 1, violently manage the outside and be wrapped up by sodium bentonite, violently manage including being responsible for, be responsible for and communicate a plurality of branch pipes that set up in proper order at the interval, the side of violently managing is provided with air vent 51, the air in the pipe 5 can get into waterproof layer 1 through air vent 51, gas in the waterproof layer 1 can get into in the pipe 5. The conduit 5 is a PVC pipe which has good corrosion resistance, is not easy to be corroded by acid and alkali, has light weight and good stability, and is not easy to decompose and generate harmful substances.
The weight layer 2 is provided with natural sand stone, and the use of the natural sand stone as a weight has low cost, is not easy to corrode, and has small biological influence on the riverway.
The nutrition layer 3 comprises natural biomass materials and planting soil, and the natural biomass materials comprise rice straws and wheat straws. The planting soil and the natural biomass material are used together to provide nutrient substances for the plants in the planting layer 4, so that the nutrition is more sufficient, and the growth of the plants in the planting layer 4 is facilitated.
The planting layer 4 is submerged plant, including goldfish algae and potamogeton crispus, plant seeds of goldfish algae or/and potamogeton crispus are directly thrown into water, after several days, the plant seeds naturally and slowly sink into the underwater nutrient layer 3 to form the planting layer 4, and the plant seeds absorb nutrients in the nutrient layer 3 to grow. The aquatic plants absorb pollutants in the bottom mud through the root system, decompose and degrade the pollutants, and then harvest or remove the aquatic plants regularly to achieve the technical effect of thoroughly removing the pollutants in the riverbed.
The implementation principle of the above embodiment is as follows:
waterproof layer 1 is used for intercepting the pollutant diffusion of river course bottom, the counter weight layer 2 enables ecological blanket to keep waterproof layer 1 and river course bottom surface to compress tightly the contact under self action of gravity, improve the stability that ecological blanket placed, it is used for planting of plant to plant layer 4, nutrition layer 3 provides nutritive material for the growth of plant, the plant root system of planting layer 4 can pass nutrition layer 3, counter weight layer 2, waterproof layer 1, stretch out the river face with pipe 5 one end, when needs provide the air for planting layer 4's root system, use the gas compressor or send into gas in the equipment box pipe 5 of other gassiness, make gaseous confession plant root system absorb behind the waterproof layer 1, on the other hand is whether there is the pollutant seepage for the gas detection in maintenance period and the monitoring period through detecting pipe 5.
Example two
The ecological blanket for in-situ sealing and underwater ecological restoration of river sediment is different from the ecological blanket in embodiment 1 in that an adsorbent is arranged in a waterproof layer 1, the adsorbent is polyacrylamide, and in other embodiments, the adsorbent can be activated carbon. The polyacrylamide can adsorb harmful substances on the bottom surface of the river channel, so that the concentration of the pollutants is further reduced.
The conduit 5 is a corrugated pipe, and the heat preservation pipe has certain strength and can be bent conveniently, so that the ecological blanket can be bent conveniently in the production and transportation process.
EXAMPLE III
Referring to fig. 2, a river sediment in-situ sealing and underwater ecological restoration ecological blanket, is different from embodiment 1 in that, including the spud pile 6 fixed in the river course, spud pile 6 is the concrete piece of T type, spud pile 6 includes integrative vertical portion and the horizontal part of pouring shaping, inserts the vertical part of T type spud pile 6 in the river course bottom, pushes down spud pile 6, and the horizontal part of spud pile 6 compresses tightly with 3 surfaces of nutrition layer of ecological blanket, and spud pile 6 is used for compressing tightly waterproof layer 1 in the river course bottom surface. In other embodiments, wooden piles, bamboo piles and metal nails can be directly used for fixing the river bed.
After the ecological blanket is laid, the fixing piles 6 are driven into the bottom of the river channel, the fixing piles 6 are tightly pressed with the ecological blanket, and the contact stability of the waterproof layer 1 on the ecological blanket and the bottom surface of the river channel is further improved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a river course bed mud normal position is sealed up and is deposited and ecological restoration ecological blanket under water which characterized in that: the water-proof layer planting device is characterized by comprising a water-proof layer (1), a weight layer (2), a nutrition layer (3) and a planting layer (4) which are sequentially arranged from bottom to top, wherein a conduit (5) with one end extending out of the river surface is arranged in the water-proof layer (1), and an air hole (51) is formed in the side surface of the part, located in the water-proof layer (1), of the conduit (5).
2. The river sediment in-situ sealing and underwater ecological restoration ecological blanket as claimed in claim 1, characterized in that: and sodium bentonite is arranged in the waterproof layer (1).
3. The river sediment in-situ sealing and underwater ecological restoration ecological blanket as claimed in claim 1, characterized in that: the weight layer (2) is provided with natural sand stones.
4. The river sediment in-situ sealing and underwater ecological restoration ecological blanket as claimed in claim 1, characterized in that: including being fixed in spud pile (6) in the river course, spud pile (6) are used for compressing tightly waterproof layer (1) in the river course bottom surface.
5. The river sediment in-situ sealing and underwater ecological restoration ecological blanket as claimed in claim 4, wherein: the fixing pile (6) is a T-shaped concrete block.
6. The river sediment in-situ sealing and underwater ecological restoration ecological blanket as claimed in claim 1, characterized in that: and an adsorbent is arranged in the waterproof layer (1).
7. The river sediment in-situ sealing and underwater ecological restoration ecological blanket as claimed in claim 1, characterized in that: the conduit (5) is a PVC pipe.
8. The river sediment in-situ sealing and underwater ecological restoration ecological blanket as claimed in claim 1, characterized in that: the conduit (5) is a corrugated pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023196524.2U CN214218508U (en) | 2020-12-25 | 2020-12-25 | River sediment in-situ sealing and underwater ecological restoration ecological blanket |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023196524.2U CN214218508U (en) | 2020-12-25 | 2020-12-25 | River sediment in-situ sealing and underwater ecological restoration ecological blanket |
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| CN214218508U true CN214218508U (en) | 2021-09-17 |
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| CN202023196524.2U Active CN214218508U (en) | 2020-12-25 | 2020-12-25 | River sediment in-situ sealing and underwater ecological restoration ecological blanket |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113955855A (en) * | 2021-10-28 | 2022-01-21 | 中国城市建设研究院有限公司 | Ecological blanket for water body restoration and application thereof |
| CN116282650A (en) * | 2023-02-09 | 2023-06-23 | 中国科学院地理科学与资源研究所 | Progressive gain type device and method for repairing urban river |
-
2020
- 2020-12-25 CN CN202023196524.2U patent/CN214218508U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113955855A (en) * | 2021-10-28 | 2022-01-21 | 中国城市建设研究院有限公司 | Ecological blanket for water body restoration and application thereof |
| CN113955855B (en) * | 2021-10-28 | 2023-10-13 | 中国城市建设研究院有限公司 | Ecological blanket for water body restoration and application thereof |
| CN116282650A (en) * | 2023-02-09 | 2023-06-23 | 中国科学院地理科学与资源研究所 | Progressive gain type device and method for repairing urban river |
| CN116282650B (en) * | 2023-02-09 | 2023-09-15 | 中国科学院地理科学与资源研究所 | Progressive gain type device and method for repairing urban river |
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