CN212640225U - Use infiltration pond of rainwater and river overflow - Google Patents
Use infiltration pond of rainwater and river overflow Download PDFInfo
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- CN212640225U CN212640225U CN202021183102.9U CN202021183102U CN212640225U CN 212640225 U CN212640225 U CN 212640225U CN 202021183102 U CN202021183102 U CN 202021183102U CN 212640225 U CN212640225 U CN 212640225U
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Abstract
A percolation pool using rainwater and river overflow belongs to the field of sewage treatment. The filter tank aims to solve the problems that the existing infiltration tank has poor filtering and dephosphorization effects and is not beneficial to the in-and-out of the bottom organisms. It includes: a water-resisting layer, a water-collecting layer, a supporting layer, a special dephosphorization adsorption packing layer, a gravel filtering layer and a vegetation layer; and the tank wall of the percolation tank above the vegetation layer and the outer edge of the tank wall of the percolation tank are both provided with three-dimensional vegetation nets. The utility model discloses well infiltration pond purification performance is strong, has effects such as collection, storage, regulation, and the dephosphorization is effectual, avoids the initial stage rainwater to bear the pollution of water, plays positive effect to the drainage dispatch, goes out water and can directly discharge the infiltration periphery or put through city regeneration water pipeline and use as city miscellaneous water to maintain domatic roughness, the animal business turn over in the infiltration pond of being convenient for is favorable to protecting biological diversity. The utility model is suitable for a handle rainwater and river overflow.
Description
Technical Field
The utility model belongs to the sewage treatment field.
Background
Along with the development of society, the improvement of living environment, the continuous improvement of people's consciousness, water pollution control has aroused the very big attention of government, especially to the urban drainage basin water body the regulation dynamics is more powerful. The urban watershed water pollution is not only industrial pollution and life pollution, but also pollution caused by rainwater and peripheral farmland and mountain runoff water flowing into rivers. Rainwater has a large amount of mountain silt, farmland pesticides and excrement and urine sewage to flow into a river, and a large amount of silt is remained in the river, so that further pollution of the river is caused, a large amount of river bottom mud is increased, the river bottom mud is easy to be anaerobic in summer, the black and odorous phenomenon of a water body is easily caused, the black and odorous phenomenon of the river seriously influences the living environment of surrounding residents, and the river is more and more emphasized for river treatment based on the requirement of environmental protection at present. At present, no better way for treating mountain and farmland water entering urban rivers is available, and even no treatment is available, so that serious burden is caused to the quality of river water. The existing percolation pool which is put into use generally has poor filtering and dephosphorization effects, the side wall structure of the percolation pool is not favorable for the in and out of the bottom organisms, and the small animals can not enter and exit, thus being not favorable for the protection of the diversity of the local organisms.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems that the existing infiltration tank has poor filtering and dephosphorization effects and the structure is unfavorable for the biological access at the bottom of the tank, and providing the infiltration tank applying rainwater and river overflow.
A percolating filter using rainwater and river overflow includes: a water-resisting layer, a water-collecting layer, a supporting layer, a special dephosphorization adsorption packing layer, a gravel filtering layer and a vegetation layer;
the water-resisting layer covers the pool wall and the pool bottom of the percolation pool applying the rainwater and the river overflow, and a water collecting layer, a supporting layer, a special dephosphorization adsorption packing layer, a gravel filtering layer and a vegetation layer are sequentially arranged inside the percolation pool applying the rainwater and the river overflow from bottom to top;
and the tank wall of the percolation tank above the vegetation layer and the outer edge of the tank wall of the percolation tank are both provided with three-dimensional vegetation nets.
The utility model has the advantages of as follows:
1. the utility model discloses well infiltration pond sets up in the high open ground of ground water level, utilizes ground low-lying pond or underground water pool to implement the principle of infiltration to the rainwater, collects naturally rainwater and river overflow, perhaps collects the rainwater through the rainwater collection pipeline and cuts dirty entering infiltration pond through abandoning to flow and filter, alleviates and controls the rainwater and brings into a large amount of pollutants and silt entering basin and the pollution that causes.
2. The middle infiltration tank of the utility model has large infiltration area and can provide larger infiltration and water storage capacity; the purification capacity is strong, the requirements on water quality and pretreatment are low, and the management is convenient; has multiple functions of permeation, regulation, purification, landscape improvement, reduction of load and cost of rainwater pipeline system, etc. The rainwater can be collected, stored, regulated and stored after being treated, so that the high peak flow of rainwater runoff is temporarily stored in the rainwater collecting tank, and the rainwater is slowly discharged from the rainwater collecting tank after the high flow drops; therefore, the rainwater flood peak can be avoided, the rainwater can be recycled, the initial rainwater can be prevented from polluting the bearing water body, the dephosphorization effect is good, and the positive effect of the drainage scheduling among drainage areas can be achieved.
3. The utility model discloses the water that well gets into the infiltration pond carries out biological purification through the vegetable layer, and the soil property that holds back, argillaceous, can help the vegetation to grow, fixed soil, beautify the environment etc. the water through the vegetable layer oozes into the gravel filter layer under the action of gravity, hold back the great suspended solid of aquatic and floater, then the special absorption packing layer of infiltration dephosphorization adsorbs the dephosphorization, get into the water-collecting layer behind the reinfiltration supporting layer, collect the water after the purification through flat collector pipe, can directly discharge the peripheral soil of infiltration, replenish groundwater, irrigate crops or put through city regeneration water pipe way and use as city miscellaneous water.
4. The three-dimensional vegetation net protects the slope surface before the turf grows, has simple construction and low manufacturing cost, forms a composite protective layer on the slope surface after the growth of plants, and can withstand the scouring of high water level and high flow speed; and the roughness of the slope is maintained, small animals in the percolation pool can conveniently enter and exit, and the biological diversity is protected.
The utility model is suitable for a handle rainwater and river overflow.
Drawings
Fig. 1 is a schematic view of the percolating pool in which rainwater and river overflow are applied in the present invention, wherein 1 represents a water-resisting layer, 2 represents a water-collecting layer, 3 represents a supporting layer, 4 represents a special adsorption packing layer for dephosphorization, 5 represents a gravel filtering layer, 6 represents a vegetation layer, 7 represents a three-dimensional vegetation net, and 8 represents a horizontal water collecting pipe.
Detailed Description
The technical scheme of the utility model is not limited to the specific implementation modes listed below, and also includes any combination between each specific implementation mode.
The first embodiment is as follows: referring to fig. 1, the percolating filter using rainwater and river overflow according to the present embodiment includes a water-resisting layer 1, a water-collecting layer 2, a supporting layer 3, a special adsorptive filler layer for phosphorus removal 4, a gravel filtering layer 5, and a vegetation layer 6;
the water-resisting layer 1 covers the pool wall and the pool bottom of the percolation pool applying the rainwater and the river overflow, and a water-collecting layer 2, a supporting layer 3, a special dephosphorization adsorption packing layer 4, a gravel filtering layer 5 and a vegetation layer 6 are sequentially arranged inside the percolation pool applying the rainwater and the river overflow from bottom to top;
and the tank wall of the percolation tank above the vegetation layer 6 and the outer edge of the tank wall of the percolation tank are both provided with three-dimensional vegetation nets 7.
In the present embodiment, the infiltration tank is installed in an open space with a high ground water level.
In the embodiment, the inlet water of the infiltration tank is naturally collected from rainwater and river overflow, or rainwater is collected through a rainwater collection pipeline and enters the infiltration tank after being discarded and sewage is cut.
In the embodiment, the ground is required to be leveled and compacted after the infiltration tank is excavated.
In the present embodiment, the vegetation layer 6 plants wetland plants suitable for local growth.
In the embodiment, the part of the three-dimensional vegetation net 7 on the outer edge of the top of the slope is buried in soil and compacted, and the part of the slope is cross-anchored by adopting U-shaped steel bars and U-shaped iron nails.
In the embodiment, the supporting layer 3 is a bridge of the special dephosphorization adsorption packing layer 4, the gravel filtering layer 5, the vegetation layer 6 and the water collecting layer 2.
In the embodiment, the water collecting layer 2 and the supporting layer 3 adopt gravels with large grain diameters, and a biological film formed on the surface can purify chemical components in water.
The water-resisting layer 1 arranged in the embodiment is isolated from the stratum, so that the pollution of residual pollutants in rainwater to underground water in a permeation mode is avoided.
The water that gets into the infiltration pond among this embodiment carries out biological purification through vegetable layer 6 to the soil property, the argillaceous of holding back, the water through vegetable layer 6 infiltrates into gravel filter layer 5 under the action of gravity, holds back great suspended solid and floater in the aquatic, then infiltrates special absorbent packing layer 4 of dephosphorization and adsorbs the dephosphorization, and the water that again infiltrates into behind the supporting layer 3 gets into water collection layer 2, collects the water after purifying through flat collector pipe 8.
The second embodiment is as follows: the difference between this embodiment and the first embodiment is that the water barrier layer 1 is impermeable cloth. The rest is the same as the first embodiment.
The third concrete implementation mode: the difference between the present embodiment and the specific embodiment is that a horizontal water collecting pipe 8 is laid in the water collecting layer 2, and a nylon net is sleeved on the outer wall of the horizontal water collecting pipe 8. The rest is the same as the first embodiment.
The 8 overcoat nylon wire nets of horizontal collector pipe can prevent that rubble silt from blockking up in this embodiment.
In this embodiment, the horizontal water collecting pipe 8 is provided with a water outlet and a valve.
The outlet water of the flat water collecting pipe 8 in the embodiment meets the standard of urban general service water.
The fourth concrete implementation mode: the difference between the present embodiment and the first embodiment is that the filler of the water collecting layer 2 is gravel with a particle size of 8-10 cm, and the height of the water collecting layer 2 is 20-30 cm. The rest is the same as the first embodiment.
The fifth concrete implementation mode: the difference between the present embodiment and the first embodiment is that the filler of the support layer 3 is gravel with a particle size of 4-6 cm, and the height of the support layer 3 is 30-50 cm. The rest is the same as the first embodiment.
The sixth specific implementation mode: the difference between the embodiment and the specific embodiment is that the filler of the special absorption filler layer for phosphorus removal 4 is volcanic rock with the particle size of 16-32 mm, and the height of the special absorption filler layer for phosphorus removal 4 is 30-50 cm. The rest is the same as the first embodiment.
The volcanic rock used in the embodiment is mainly used for removing phosphorus in the water body by physical adsorption under the low-temperature condition and is mainly used for chemical adsorption under the high-temperature condition, so that the phosphorus removal effect is good, and the influence of geographical conditions is avoided.
The seventh embodiment: the present embodiment is different from the first embodiment in that the filler of the gravel pack 5 is gravel having a particle size of 5 to 10mm, and the height of the gravel pack 5 is 50 to 100 cm. The rest is the same as the first embodiment.
The specific implementation mode is eight: the difference between the present embodiment and the first embodiment is that the thickness of the covering soil of the vegetation layer 6 is 30 to 50 cm. The rest is the same as the first embodiment.
The specific implementation method nine: the difference between the first embodiment and the second embodiment is that the thickness of the soil covering of the three-dimensional vegetation net 7 is 10-20 cm. The rest is the same as the first embodiment.
In this embodiment, soil-fixing vegetation is planted after the three-dimensional vegetation net 7 is covered with soil.
The detailed implementation mode is ten: the present embodiment is different from the first embodiment in that the vertical section of the percolating filter using rainwater and river overflow is trapezoidal. The rest is the same as the first embodiment.
In the embodiment, the vertical depth of the trapezoid during downward digging is 2-2.5 m, and the slope cutting angle is 30-50 degrees.
Verify through following embodiment the utility model discloses a beneficial effect:
example (b):
referring to fig. 1, the infiltration tank using rainwater and river overflow in the present embodiment includes a water-resisting layer 1 covering a slope surface of the infiltration tank to a bottom layer, wherein the water-resisting layer 1 is sequentially provided with a water-collecting layer 2, a supporting layer 3, a special adsorption filler layer for phosphorus removal 4, a gravel filtering layer 5, and a vegetation layer 6 from bottom to top; and a three-dimensional vegetation net 7 is arranged from the slope surface above the vegetation layer 6 to the outer edge of the slope top.
In the embodiment, the infiltration pond is arranged in an empty space with high underground water level.
In this embodiment, the inlet water of the infiltration tank is naturally collected from rainwater and river overflow, or rainwater is collected through a rainwater collection pipeline and enters the infiltration tank after being discarded and sewage-cut.
In the embodiment, the ground needs to be leveled and compacted after the infiltration tank is excavated.
In this embodiment, the vegetation layer 6 is used for planting wetland plants suitable for local growth.
In the embodiment, the three-dimensional vegetation net 7 is buried in soil and compacted at the outer edge of the top of the slope, and the part of the slope is anchored by adopting U-shaped steel bars and U-shaped iron nails in a crossing manner.
In this embodiment, the support layer 3 is a bridge of the adsorption packing layer 4, the gravel filter layer 5, the vegetation layer 6 and the water collection layer 2.
In the embodiment, the water collecting layer 2 and the supporting layer 3 adopt gravels with large particle sizes, and a biological membrane formed on the surface can purify chemical components in water.
The water-resisting layer 1 arranged in the embodiment is isolated from the stratum, so that the pollution of residual pollutants in rainwater to underground water in a permeation mode is avoided.
In this embodiment, the water-blocking layer 1 is impermeable cloth.
This embodiment horizontal collector pipe 8 has been laid in the water collection layer 2, the outer wall cover of horizontal collector pipe 8 is equipped with the nylon wire net, horizontal collector pipe 8 is equipped with delivery port and valve.
In the embodiment, the filler of the water collecting layer 2 is gravel with the particle size of 8-10 cm, and the height of the water collecting layer 2 is 25 cm.
In the embodiment, the filler of the support layer 3 is gravel with the particle size of 4-6 cm, and the height of the support layer 3 is 40 cm.
The filler of the special adsorption filler layer for phosphorus removal 4 in this embodiment is volcanic rock with a particle size of 16-32 mm, and the height of the special adsorption filler layer for phosphorus removal 4 is 40 cm.
The filler of the filter layer 5 in the embodiment is gravel with the particle size of 5-10 mm, and the height of the gravel filter layer 5 is 70 cm.
The thickness of the covering soil of the vegetation layer 6 in this example is 40 cm.
The thickness of the soil covering of the three-dimensional vegetation net 7 is 15 cm; and planting soil-fixing vegetation after covering soil.
In the embodiment, the vertical section of the percolation pool applying the rainwater and the river overflow is trapezoidal; the vertical depth of the trapezoid during downward digging is 2-2.5 m, and the slope cutting angle is 30-50 degrees.
The water that gets into the infiltration pond in this embodiment carries out biological purification through vegetable layer 6 to the soil property, the argillaceous of holding back, the water through vegetable layer 6 infiltrates into gravel filter layer 5 under the action of gravity, holds back great suspended solid and floater in the aquatic, then infiltrates special absorbent packing layer 4 of dephosphorization and adsorbs the dephosphorization, enters into water collection layer 2 after infiltrates supporting layer 3 again, collects the water after purifying through flat collector pipe 8, and it accords with city miscellaneous water standard to go out the water through detecting.
Claims (10)
1. A percolating filter applying rainwater and river overflow is characterized in that the percolating filter applying rainwater and river overflow comprises: the device comprises a water-resisting layer (1), a water-collecting layer (2), a supporting layer (3), a special dephosphorization adsorption packing layer (4), a gravel filtering layer (5) and a vegetation layer (6);
the water-resisting layer (1) covers the pool wall and the pool bottom of the percolation pool applying the rainwater and the river overflow, and a water collecting layer (2), a supporting layer (3), a special dephosphorization adsorption packing layer (4), a gravel filtering layer (5) and a vegetation layer (6) are sequentially arranged inside the percolation pool applying the rainwater and the river overflow from bottom to top;
and the tank wall of the percolation tank above the vegetation layer (6) and the outer edge of the tank wall of the percolation tank are both provided with three-dimensional vegetation nets (7).
2. The percolator filter for the application of rainwater and river overflow according to claim 1, wherein said water barrier (1) is impermeable cloth.
3. The percolating pool applying rainwater and river overflow according to claim 1, wherein a horizontal water collecting pipe (8) is laid in the water collecting layer (2), and a nylon net is sleeved on the outer wall of the horizontal water collecting pipe (8).
4. The percolating filter utilizing rainwater and river overflow according to claim 1, wherein the filler of the water collecting layer (2) is gravel with a particle size of 8-10 cm, and the height of the water collecting layer (2) is 20-30 cm.
5. The percolator filter applied to rainwater and river overflow of claim 1, wherein the filler of the supporting layer (3) is gravel with a particle size of 4-6 cm, and the height of the supporting layer (3) is 30-50 cm.
6. The percolator filter applied to rainwater and river overflow of claim 1, wherein the filler of the special absorption filler layer for phosphorus removal (4) is volcanic rock with a particle size of 16-32 mm, and the height of the special absorption filler layer for phosphorus removal (4) is 30-50 cm.
7. The percolating filter utilizing rainwater and river overflow according to claim 1, wherein the packing of the gravel pack (5) is gravel having a particle size of 5 to 10mm, and the height of the gravel pack (5) is 50 to 100 cm.
8. The percolator filter applied to rainwater and river overflow according to claim 1, wherein the thickness of the covering soil of the vegetation layer (6) is 30-50 cm.
9. The percolator filter applied to rainwater and river overflow of claim 1, wherein the soil thickness of the three-dimensional vegetation net (7) is 10-20 cm.
10. The percolating filter for applying rain water and river overflow according to claim 1, wherein the percolating filter for applying rain water and river overflow has a trapezoidal vertical section.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021183102.9U CN212640225U (en) | 2020-06-23 | 2020-06-23 | Use infiltration pond of rainwater and river overflow |
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| CN202021183102.9U CN212640225U (en) | 2020-06-23 | 2020-06-23 | Use infiltration pond of rainwater and river overflow |
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| CN212640225U true CN212640225U (en) | 2021-03-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113121064A (en) * | 2021-04-19 | 2021-07-16 | 中国水利水电科学研究院 | Efficient composite wetland system for reducing rainfall runoff pollutants |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113121064A (en) * | 2021-04-19 | 2021-07-16 | 中国水利水电科学研究院 | Efficient composite wetland system for reducing rainfall runoff pollutants |
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