CN220150483U - Rainwater garden system of transformer substation - Google Patents
Rainwater garden system of transformer substation Download PDFInfo
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- CN220150483U CN220150483U CN202321608789.XU CN202321608789U CN220150483U CN 220150483 U CN220150483 U CN 220150483U CN 202321608789 U CN202321608789 U CN 202321608789U CN 220150483 U CN220150483 U CN 220150483U
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- 239000002689 soil Substances 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000004744 fabric Substances 0.000 claims abstract description 12
- 230000035699 permeability Effects 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 7
- 239000012466 permeate Substances 0.000 abstract description 4
- 230000008635 plant growth Effects 0.000 abstract description 4
- 230000008595 infiltration Effects 0.000 abstract description 3
- 238000001764 infiltration Methods 0.000 abstract description 3
- 239000013589 supplement Substances 0.000 abstract description 3
- 101150054854 POU1F1 gene Proteins 0.000 description 3
- 239000004746 geotextile Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- CRQQGFGUEAVUIL-UHFFFAOYSA-N chlorothalonil Chemical compound ClC1=C(Cl)C(C#N)=C(Cl)C(C#N)=C1Cl CRQQGFGUEAVUIL-UHFFFAOYSA-N 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000013468 resource allocation Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
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Abstract
The utility model discloses a rainwater garden system of a transformer substation, and relates to the field of site greening in the transformer substation and a converter station. The foundation pit comprises an aquifer, a planting soil layer, permeable geotechnical cloth, a gravel layer and a raw soil layer from top to bottom, wherein an overflow well is arranged in the foundation pit; the overflow well is sequentially provided with an overflow port, a well wall and a base from top to bottom, wherein the overflow port extends out of the water storage layer, the overflow port is connected with the base, and the base extends into the original soil layer; the infiltration pipe stretches into the gravel layer, and the drain pipe passes the gravel layer and is connected with drainage system. On one hand, the rainwater stored in the utility model can slowly permeate into the underground soil through the planting soil layer, the permeable geotechnical cloth, the gravel layer and the original soil layer to supplement the underground water; on the other hand, the rainwater in the rainwater garden can be prevented from being reserved for a long time to influence the plant growth and the operation maintenance safety of the transformer substation by the drainage system in the field through the planting soil layer, the permeable geotechnical cloth, the gravel layer and the seepage pipe entering the overflow well and the drainage pipe.
Description
Technical Field
The utility model relates to the field of site greening in substations and converter stations, in particular to a rainwater garden system of a substation.
Background
The main sites in the transformer substation and the convertor station are waterproof reinforced concrete buildings and asphalt roads, so that rainwater cannot penetrate into soil layers below the ground surface, and the two results are achieved:
1) The penetration of the original natural precipitation is isolated, the natural water body circulation chain is broken, and the surface water is continuously reserved in the transformer substation and the converter station, so that the operation and maintenance of the transformer substation and the converter station are greatly influenced;
2) The rainfall forms surface runoff, water resources are polluted mainly because of the use of watertight materials, the pollution exists on the surfaces of the materials, and the runoff is polluted after the rainfall, so that surrounding water resources are affected.
The traditional rainwater garden is a natural or artificially excavated shallow concave green land, in particular to a set of rainwater retaining and purifying system, which purifies the rainwater through the comprehensive actions of plants and sandy soil and gradually permeates the soil or enters a drainage system of the land.
By utilizing the rainwater garden, the overground and underground water circulation system can be restored, the environment and water resource allocation is improved, and the operation and maintenance of a substation and a converter station can be avoided due to the fact that rainwater in a field is reserved; however, the traditional rainwater garden is generally provided with waterproof geotextile for wrapping to prevent water entering the rainwater garden from penetrating into the deep soil, and the water entering the rainwater garden is stored in the rainwater garden for a long time, so that rotten roots of plants in the rainwater garden can be caused, and the survival rate of the plants is low; if continuous storm is met, when the rainfall exceeds the storage capacity of a rainwater garden, rainwater can overflow, and water is deposited on the site.
Therefore, from the two aspects of avoiding the influence of long-term accumulation of rainwater in a rainwater garden on plant growth and improving the drainage capacity of the rainwater garden when the storm is sustained, the substation rainwater garden system with stronger adaptability is necessary.
Disclosure of Invention
The utility model aims to overcome the defects of the background technology and provides a rainwater garden system of a transformer substation.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: a rainwater garden system of a transformer substation, characterized in that: the soil-permeable foundation pit comprises a foundation pit, wherein an aquifer, a planting soil layer, permeable geotechnical cloth, a gravel layer and a raw soil layer are sequentially arranged in the foundation pit from top to bottom, and an overflow well is arranged in the foundation pit; the overflow well is sequentially provided with an overflow port, a well wall and a base from top to bottom, the overflow port extends out of the water storage layer, the overflow port is connected with the base through the well wall, and the base extends into the original soil layer;
the water seepage pipe and the water drainage pipe are connected with the well wall; the infiltration pipe stretches into the gravel layer, the drain pipe passes the gravel layer and is connected with drainage system, the height of infiltration pipe is higher than the height of drain pipe.
In the technical scheme, the top of the overflow port is provided with the overflow plate, the bottom of the overflow port is provided with the hollow overflow ring, the diameter of the overflow plate is smaller than that of the overflow ring, and the overflow plate and the overflow ring are connected through a plurality of arc-shaped overflow plates.
In the technical scheme, the thickness of the water storage layer is 300mm.
In the technical proposal, the planting soil layer is sandy soil with permeability coefficient more than or equal to 10 -5 And/m.s, the thickness is 500mm.
In the technical scheme, the thickness of the gravel layer is 500mm, and the particle size of the gravels in the gravel layer is 30-50mm.
In the technical scheme, the overflow plate and the base are round, the thickness of the base is 100-150mm, and the well wall is cylindrical.
Compared with the prior art, the utility model has the following advantages:
1) Compared with the prior art, the utility model has the water permeability of the planting soil layer, the water permeable geotechnical cloth, the gravel layer and the permeation tube, and after rainfall, the rainwater stored in the rainwater garden can slowly permeate into the underground soil through the planting soil layer, the water permeable geotechnical cloth, the gravel layer and the original soil layer to supplement the underground water; on the other hand, the rainwater in the rainwater garden can be prevented from being reserved for a long time to influence the plant growth and the operation maintenance safety of the transformer substation by the drainage system in the field through the planting soil layer, the permeable geotechnical cloth, the gravel layer and the seepage pipe entering the overflow well and the drainage pipe.
2) Compared with the prior art, when the continuous heavy rain is met, the rainfall is far more than the storage capacity of the rainwater garden, and when the storage water level in the rainwater garden exceeds the overflow well, the rainwater can enter the drainage system through the overflow well and the drain pipe, so that the rainwater is prevented from overflowing out of the rainwater garden and entering the transformer substation and the convertor station site, and the operation and maintenance safety of the transformer substation is further affected.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a plan view of an overflow well.
Fig. 3 is a cross-sectional view at A-A in fig. 2.
Fig. 4 is a cross-sectional view at B-B in fig. 2.
The soil-permeable foundation pit comprises a foundation pit, an 11-water storage layer, a 12-planting soil layer, a 13-permeable geotechnical cloth, a 14-gravel layer, a 15-raw soil layer, a 2-overflow well, a 21-overflow port, a 211-overflow plate, a 212-overflow ring, a 213-overflow plate, a 22-well wall, a 23-base, a 31-water-permeable pipe and a 32-water-draining pipe.
Detailed Description
The following detailed description of the utility model is, therefore, not to be taken in a limiting sense, but is made merely by way of example. While the advantages of the utility model will become apparent and readily appreciated by reference to the following description.
As can be seen with reference to the accompanying drawings: a rainwater garden system of a transformer substation, characterized in that: the soil-permeable foundation pit comprises a foundation pit 1, wherein an aquifer 11, a planting soil layer 12, a permeable geotechnical cloth 13, a gravel layer 14 and a raw soil layer 15 are sequentially arranged in the foundation pit 1 from top to bottom, and an overflow well 2 is arranged in the foundation pit 1; the overflow well 2 is sequentially provided with an overflow port 21, a well wall 22 and a base 23 from top to bottom, wherein the overflow port 21 extends out of the aquifer 11, the overflow port 21 is connected with the base 23 through the well wall 22, and the base 23 extends into the original soil layer 15; the original soil layer 15 is the original soil of the transformer substation site;
the water seepage pipe 31 and the water drainage pipe 32 are connected with the well wall 22; the water seepage pipe 31 extends into the gravel layer 14, the water drainage pipe 32 penetrates through the gravel layer 14 to be connected with a water drainage system in a transformer substation or a converter station, and the height of the water seepage pipe 31 is higher than that of the water drainage pipe 32.
The top of the overflow port 21 is provided with an overflow plate 211 and the bottom is provided with a hollow overflow ring 212, the diameter of the overflow plate 211 is smaller than that of the overflow ring 212, and the overflow plate 211 and the overflow ring 212 are connected through a plurality of arc-shaped overflow plates 213 which are arranged at intervals; the overflow 21 is generally made of hollowed-out circular cast iron.
The thickness of the aquifer 11 is 300mm, and the aquifer 11 is typically planted with turf, shrubs, and the like.
The planting soil layer 12 is sandy soil with permeability coefficient more than or equal to 10 -5 M.s, thickness 500mm; the planting soil layer 12 is typically sandy soil with a relatively high non-permeability coefficient for providing nutrients necessary for turf and brush growth.
The gravel layer 14 has a thickness of 500mm, and the gravel particle size in the gravel layer 14 is 30-50mm.
The overflow plate 211 and the base 23 are round, the thickness of the base 23 is 100-150mm, and the well wall 22 is cylindrical; the borehole wall 22 is constructed of masonry.
The base 23 is formed by casting C25 concrete and is used for bearing the weight of the well wall 22 and the overflow port 21.
In practical use, the utility model is described in terms of two cases, namely, large rainfall and small rainfall.
1) When the rainfall is small and the water storage capacity of the rainwater garden aquifer 11 is not exceeded, rainwater is stored in the aquifer 11 and is drained away by: the planting soil layer 12, the permeable geotechnical cloth 13, the gravel layer 14 and the original soil layer 15 slowly permeate into underground soil to supplement underground water, and rainwater is stored in the field soil layer, so that the pressure of a drainage system in a transformer substation or a converter station is reduced, and the aim of a sponge city is fulfilled; on the other hand, the rainwater in the rainwater garden can be prevented from being reserved for a long time to influence the plant growth and the operation maintenance safety of the transformer substation by entering the overflow well 2 through the planting soil layer 12, the permeable geotechnical cloth 13, the gravel layer 14 and the water seepage pipe 31 and entering the drainage system in the field through the drainage pipe 32.
2) When the rainfall is large and exceeds the water storage capacity of the rainwater garden water storage layer 11, the water level in the water storage layer 11 exceeds the elevation of the overflow port 21, and the rainwater higher than the overflow port 21 is drained through the following ways: aquifer 11- & gt overflow port 21- & gt overflow well 2- & gt drain pipe 32- & gt drainage system in a substation or converter station; rainwater below the overflow 21 can still be drained away in the following way: the method comprises the steps of water storage layer 11, planting soil layer 12, permeable geotextile 13, gravel layer 14 and original soil layer 15, and slowly penetrating into underground soil; thus, when the transformer substation or the converter station encounters continuous heavy rain, rainwater can be prevented from flowing out of the rainwater garden and entering the transformer substation and the converter station site, and the operation and maintenance safety of the transformer substation is affected; and the rainwater amount entering the drainage system in the transformer substation or the converter station can be reduced, and the pressure of the drainage system in the transformer substation or the converter station is reduced.
Other non-illustrated parts are known in the art.
Claims (6)
1. A rainwater garden system of a transformer substation, characterized in that: the soil-permeable foundation pit comprises a foundation pit (1), wherein an aquifer (11), a planting soil layer (12), a permeable geotechnical cloth (13), a gravel layer (14) and a raw soil layer (15) are sequentially arranged in the foundation pit (1) from top to bottom, and an overflow well (2) is arranged in the foundation pit (1); the overflow well (2) is sequentially provided with an overflow port (21), a well wall (22) and a base (23) from top to bottom, the overflow port (21) extends out of the water storage layer (11), the overflow port (21) is connected with the base (23) through the well wall (22), and the base (23) extends into the original soil layer (15);
the water seepage pipe (31) and the water drainage pipe (32) are connected with the well wall (22); the water seepage pipe (31) stretches into the gravel layer (14), the water drainage pipe (32) penetrates through the gravel layer (14) to be connected with a water drainage system, and the height of the water seepage pipe (31) is higher than that of the water drainage pipe (32).
2. A rainwater garden system for a substation as claimed in claim 1, wherein: the top of the overflow port (21) is provided with an overflow plate (211) and the bottom is provided with a hollow overflow ring (212), the diameter of the overflow plate (211) is smaller than that of the overflow ring (212), and the overflow plate (211) and the overflow ring (212) are connected through a plurality of arc-shaped overflow plates (213).
3. A rainwater garden system for a substation as claimed in claim 2, wherein: the thickness of the water storage layer (11) is 300mm.
4. A rainwater garden system of a substation according to claim 3, characterized in that: the planting soil layer (12) is sandy soil with permeability coefficient more than or equal to 10 -5 And/m.s, the thickness is 500mm.
5. A rainwater garden system for a substation as claimed in claim 4, wherein: the thickness of the gravel layer (14) is 500mm, and the particle size of the gravels in the gravel layer (14) is 30-50mm.
6. A rainwater garden system for a substation as claimed in claim 5, wherein: the overflow plate (211) and the base (23) are round, the thickness of the base (23) is 100-150mm, and the well wall (22) is cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321608789.XU CN220150483U (en) | 2023-06-21 | 2023-06-21 | Rainwater garden system of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321608789.XU CN220150483U (en) | 2023-06-21 | 2023-06-21 | Rainwater garden system of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220150483U true CN220150483U (en) | 2023-12-08 |
Family
ID=89008421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321608789.XU Active CN220150483U (en) | 2023-06-21 | 2023-06-21 | Rainwater garden system of transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220150483U (en) |
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2023
- 2023-06-21 CN CN202321608789.XU patent/CN220150483U/en active Active
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