CN220521505U - Tunnel rain and sewage diversion sand sedimentation inspection well structure - Google Patents
Tunnel rain and sewage diversion sand sedimentation inspection well structure Download PDFInfo
- Publication number
- CN220521505U CN220521505U CN202321740407.9U CN202321740407U CN220521505U CN 220521505 U CN220521505 U CN 220521505U CN 202321740407 U CN202321740407 U CN 202321740407U CN 220521505 U CN220521505 U CN 220521505U
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- sewage
- sand
- well
- cover plate
- tunnel
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- 239000010865 sewage Substances 0.000 title claims abstract description 91
- 238000007689 inspection Methods 0.000 title claims abstract description 62
- 239000004576 sand Substances 0.000 title claims description 25
- 238000004062 sedimentation Methods 0.000 title claims description 24
- 238000000034 method Methods 0.000 claims description 2
- 230000004308 accommodation Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- 238000007599 discharging Methods 0.000 abstract description 4
- 230000001376 precipitating effect Effects 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
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- Sewage (AREA)
Abstract
The utility model provides a tunnel rain and sewage diversion sand-settling inspection well structure, which comprises a drainage blind ditch arranged in a tunnel, wherein the drainage blind ditch is connected with an inspection well and communicated with the inspection well, so that a containing cavity is formed in the inspection well; the rain and sewage diversion in the accommodating cavity is provided with an upper space and a lower space, and the drainage blind drain is communicated with the lower space; the side ditch is arranged above the inspection well and can be communicated with the accommodating cavity, and the sewage sand-settling well is detachably arranged in the upper space of the inspection well, and the side ditch is communicated with the sewage sand-settling well only and is communicated with the sewage sand-settling well through the sewage sand-settling well. According to the utility model, the problem of separating and discharging the sewage and fire-fighting sewage according to the operation of the underground water in the tunnel can be effectively solved by the grate cover plate and the sewage sand-settling well on the inspection well on the premise of not affecting the function of precipitating the underground water in the lower drainage blind ditch.
Description
Technical Field
The utility model relates to the technical field of tunnel drainage, in particular to a tunnel rain and sewage diversion sand-settling inspection well structure.
Background
The tunnel drainage system needs to consider that the underground water and the sewage are separated and discharged, wherein the roadside side ditches are used for collecting the sewage generated by operation cleaning and fire fighting, the drainage blind ditches are used for collecting the underground water behind the lining, and drainage blind ditch inspection wells are arranged according to requirements for conveniently overhauling and precipitating the underground water. The roadside side ditch is required to be longitudinally communicated at the position of the traditional inspection well, so that the roadside sewage is easy to infiltrate into the inspection well to cause rainwater and sewage confluence, the sewage after confluence is discharged into a river channel through a rainwater pipeline, black and stink of the water body are caused, the river channel is polluted, aquatic animals and plants are endangered, the ecological balance of the water is destroyed, and the ecological environment quality is influenced.
Disclosure of Invention
The utility model aims to provide a sand-settling inspection well structure which can solve the problem of separating and discharging rain and sewage in a tunnel hole and has flexibility and convenience in overhauling.
For this purpose, the utility model adopts the following technical scheme:
the utility model provides a tunnel rain and sewage reposition of redundant personnel sand setting inspection shaft structure, includes the drainage french drain that sets up inside the tunnel, connects and put through with the inspection shaft through drainage french drain to form in the inspection shaft and hold the chamber; the rain and sewage diversion in the accommodating cavity is provided with an upper space and a lower space, and the drainage blind drain is communicated with the lower space; a roadside ditch which can be communicated with the accommodating cavity is arranged above the inspection well, a sewage sand-settling well is detachably arranged in the upper space of the inspection well, the roadside ditch is communicated with the sewage sand-settling well only and is communicated with the sewage sand-settling well, and a guiding and accommodating part is formed on the sewage sand-settling well; and a grate cover plate is arranged above the sewage sand-settling well, so that the sewage sand-settling well can collect sewage sand-settling through the hollowed-out part in the grate cover plate.
Further: the coverage area of the grate cover plate is smaller than or equal to the collection range of the sewage sand sedimentation well.
Further: the inspection shaft top sets up the combination formula apron, includes comb apron and concrete apron, the removable setting of concrete apron is through the comb apron with the concrete apron is right the open-top of inspection shaft forms closure state or open-top state.
Further: and a tongue-and-groove part which can be matched with the upper part of the wall of the inspection well is arranged on the sewage sand-settling well.
Further: and a circulation interval which can be communicated with the side ditch of the road is formed between the sewage sand-settling well and the grate cover plate.
Further: the elevation of the bottom of the sewage sand-settling well in the accommodating cavity is higher than the elevation of the top of the drainage blind ditch.
Further: a sedimentation space is arranged between the drainage blind drain and the bottom of the accommodating cavity.
Further: the road side ditch can be in the form of an open ditch or a blind ditch with a rectangular section and an arc section.
Further: and arranging the inspection wells in the drainage blind ditches in the tunnel at intervals of 150-300 m.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the problem of separating and discharging the sewage and fire-fighting sewage according to the operation of the underground water in the tunnel can be effectively solved by the grate cover plate and the sewage sand-settling well on the inspection well on the premise of not affecting the function of precipitating the underground water in the lower drainage blind ditch. And the sewage sand-settling well, the grate cover plate and the concrete cover plate can be lifted, so that a sufficient operation space is provided for dredging the lower inspection well. Compared with the traditional inspection well, the utility model forms an integrated design and has the advantages of simple and practical method, low construction cost, high construction speed, safety, reliability and controllable quality.
Drawings
FIG. 1 is a three-dimensional effect diagram of a sand sedimentation inspection well of the present utility model;
FIG. 2 is a three-dimensional cross-sectional view of the sand sedimentation inspection well of the present utility model;
FIG. 3 is a schematic cross-sectional view of a tunnel of the present utility model;
FIG. 4 is a schematic plan view of a sand sedimentation inspection well of the present utility model;
FIG. 5 is a schematic longitudinal cross-sectional view of a sand setting inspection well of the present utility model;
FIG. 6 is a schematic cross-sectional view of a sand setting inspection shaft of the present utility model;
FIG. 7 is a schematic view of a sand setting manhole cover plate of the present utility model.
The marks in the drawings are: the sewage treatment device comprises a roadside ditch 1, a drainage blind ditch 2, an inspection well 3, a sewage sand-settling well 4, a grate cover plate 5, a concrete cover plate 6, a circulation interval 7, a tongue-and-groove part 8 and a containing cavity 9.
Detailed Description
The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.
As shown in fig. 1-7, this embodiment provides a sand-settling inspection well structure for diversion of rain and sewage in a tunnel, which realizes the integrated design of a drainage grate, a sand-settling tank and an inspection well, and can effectively solve the problem of diversion of rain and sewage in the tunnel, thereby realizing diversion of rain and sewage in a roadside blind ditch 1 and a drainage blind ditch 2.
The sand-settling inspection well structure comprises a drainage blind ditch 2 arranged in a tunnel, and is connected and communicated with an inspection well 3 through the drainage blind ditch 2, so that a containing cavity 9 is formed in the inspection well 3; the rain and sewage split flow inside the accommodating cavity 9 is provided with an upper space and a lower space, and the drainage blind ditch 2 is communicated with the lower space; a roadside ditch 1 which can be communicated with the accommodating cavity 9 is arranged above the inspection well 3, and a sewage sand-settling well 4 is detachably arranged in the upper space of the inspection well 3, wherein the roadside ditch 1 is communicated with the sewage sand-settling well 4 only and is communicated with the sewage sand-settling well 4, and a guiding accommodating part is formed on the sewage sand-settling well 4; the upper part of the sewage sand-settling well 4 is provided with a grate cover plate 5, so that the sewage sand-settling well 4 can collect sewage sand by the hollowed-out part in the grate cover plate 5.
In this embodiment, the drainage blind ditch 2 and the roadside ditches 1 are arranged along the longitudinal direction of the tunnel, i.e., along the roadway direction. The drainage blind ditches 2 are positioned at two sides of the lower part of the inspection well 3; the roadside ditches 1 are positioned at two sides of the grate cover plate 5, so that the effect of collecting the roadside ditches is realized; thereby effectively solving the problem of separating and discharging the underground water and sewage in the tunnel.
Meanwhile, the roadside side ditch 1 is used for collecting sewage generated by operation cleaning and fire fighting, the drainage blind ditch 2 is used for collecting underground water behind the lining, and an inspection well 3 is arranged in the tunnel every 200-250m, so that the actual drainage situation can be fully considered for selection, and the aim of gradually solving the drainage problem in a grading manner is fulfilled. The roadside ditch 1 guides sewage to flow into the sewage sand-settling well 4 through the grate cover plate 5, and the sewage continuously flows out of the tunnel along the roadside ditch 1 in the longitudinal direction of the tunnel after being full of water.
Wherein, the elevation of the bottom of the sewage sand-settling well 4 in the accommodating cavity 9 is higher than the elevation of the top of the drainage blind ditch 2. So as to ensure that the sewage sand-settling well 4 can timely discharge the sewage outwards after sedimentation on the premise that the drainage of the drainage blind ditch 2 is not affected by impurities in the sewage sand-settling well 4. And a sedimentation space is arranged between the drainage blind ditch 2 and the bottom of the accommodating cavity 9, and the sedimentation space can be used for facilitating the sedimentation of underground water during drainage of the drainage blind ditch 2.
As shown in fig. 1-2, the roadside ditch 1 may take the form of an open ditch or a blind ditch with a rectangular section or an arc section.
As shown in fig. 1-2, the drainage blind ditch 2 can take the form of a rectangular section and a circular section.
As shown in fig. 1-2 and 4-7, specifically, the coverage area of the grate cover plate 5 is smaller than or equal to the collection range of the sewage sand-settling well 4.
Wherein, inspection shaft 3 top sets up the combination formula apron, including comb apron 5 and concrete apron 6, concrete apron 6 detachable setting forms closed state or open state to inspection shaft 3's top opening through comb apron 5 and concrete apron 6. When dredging the sewage sand-settling well 4, only the grate cover plate 5 is opened, and the concrete cover plate 6 is not required to be opened together, so that the sewage sand-settling well 4 and the inspection well 3 can be cleaned and overhauled conveniently.
Wherein, the part of the inspection well 3 with the size larger than that of the sewage sand sedimentation well 4 is covered by a concrete cover plate 6. And the concrete cover plate 6 can be used as a part of the roadway, so that the influence on the normal passing of the vehicles in the tunnel is avoided.
Wherein, the sewage sand-settling well 4 is provided with a tongue-and-groove part 8 which can be matched with the upper side of the wall of the inspection well 3. A circulation interval 7 which can be communicated with the roadside ditch 1 is formed between the tongue-and-groove part 8 of the sewage sand sedimentation well 4 and the grate cover plate 5. The sewage sand-settling well 4 can be fixed above the wall of the inspection well 3 through the tongue-and-groove part 8, and sewage is prevented from flowing into the lower space of the inspection well 3 by adopting a structure extending below the side ditch of the road.
Referring to fig. 1-7, when the diversion sand-settling inspection well structure is used for diversion drainage of rain and sewage in a tunnel, the specific modes are as follows:
the roadside side ditch 1 guides sewage to flow into the sewage sand-settling well 4 through the grate cover plate 5, and the sewage sand-settling well 4 continuously flows out of the tunnel along the other side roadside side ditch 1 in the longitudinal direction of the tunnel after being filled with water; the underground water flows into the lower space of the inspection well 3 through the drainage blind ditch 2, and is discharged through the drainage blind ditch 2 at the other side after the sedimentation space of the inspection well 3 is full.
When the sewage sand-settling well 4 in the upper space is dredged, only the grate cover plate 5 is lifted, and the concrete cover plate 6 can be used as a part of a roadway, so that normal traffic is not influenced; when dredging the space under the inspection well 3 and inspecting the drainage blind drain 2, the sewage sand-settling well 4, the grate cover plate 5 and the concrete cover plate 6 can be lifted, so that a sufficient operation space is provided for the accommodating cavity 9 of the inspection well 3.
The above embodiment is only one preferred technical solution of the present utility model, and it should be understood by those skilled in the art that modifications and substitutions can be made to the technical solution or parameters in the embodiment without departing from the principle and essence of the present utility model, and all the modifications and substitutions are covered in the protection scope of the present utility model.
Claims (9)
1. The utility model provides a tunnel rain and sewage reposition of redundant personnel sand setting inspection shaft structure, includes drainage french drain (2) that sets up inside the tunnel, connects and put through with inspection shaft (3) through drainage french drain (2), so form in the inside accommodation chamber (9) of inspection shaft (3); the method is characterized in that: an upper space and a lower space are arranged in the accommodating cavity (9) in a rainwater-sewage split mode, and the drainage blind ditch (2) is communicated with the lower space;
a roadside ditch (1) which can be communicated with the accommodating cavity (9) is arranged above the inspection well (3), and a sewage sand-settling well (4) is detachably arranged in the upper space of the inspection well (3), wherein the roadside ditch (1) is communicated with the sewage sand-settling well (4) only and is communicated with the sewage sand-settling well (4);
and a grate cover plate (5) is arranged above the sewage sand-settling well (4), so that the sewage sand-settling well (4) can collect sewage sand by the hollowed-out part in the grate cover plate (5).
2. A tunnel rain and sewage diversion sand sedimentation manhole structure according to claim 1, wherein: the coverage area of the grate cover plate (5) is smaller than or equal to the collection range of the sewage sand-settling well (4).
3. A tunnel rain and sewage diversion sand sedimentation manhole structure according to claim 1, wherein: the combined cover plate is arranged above the inspection well (3), and comprises the grate cover plate (5) and the concrete cover plate (6), wherein the concrete cover plate (6) is detachably arranged, and a closed state or an open state is formed by the grate cover plate (5) and the concrete cover plate (6) on the top opening of the inspection well (3).
4. A tunnel rain and sewage diversion sand sedimentation manhole structure according to claim 1, wherein: the sewage sand sedimentation well (4) is provided with a tongue-and-groove part (8) which can be matched with the upper part of the well wall of the inspection well (3).
5. A tunnel rain and sewage diversion sand sedimentation manhole structure according to claim 1, wherein: a circulation interval (7) which can be communicated with the road side ditch (1) is formed between the sewage sand settling well (4) and the grate cover plate (5).
6. A tunnel rain and sewage diversion sand sedimentation manhole structure according to claim 1, wherein: the elevation of the bottom of the sewage sand-settling well (4) in the accommodating cavity (9) is higher than the elevation of the top of the drainage blind ditch (2).
7. A tunnel rain and sewage diversion sand sedimentation manhole structure according to claim 1, wherein: a sedimentation space is arranged between the drainage blind ditch (2) and the bottom of the accommodating cavity (9).
8. A tunnel rain and sewage diversion sand sedimentation manhole structure according to claim 1, wherein: the road side ditch (1) can be in the form of an open ditch or a blind ditch with a rectangular section and an arc section.
9. A tunnel rain and sewage diversion sand sedimentation manhole structure according to claim 1, wherein: the inspection wells (3) are arranged in the drainage blind ditches (2) in the tunnel at intervals of 150-300 m.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320181661 | 2023-01-13 | ||
| CN2023201816613 | 2023-01-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220521505U true CN220521505U (en) | 2024-02-23 |
Family
ID=89930782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321740407.9U Active CN220521505U (en) | 2023-01-13 | 2023-07-04 | Tunnel rain and sewage diversion sand sedimentation inspection well structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220521505U (en) |
-
2023
- 2023-07-04 CN CN202321740407.9U patent/CN220521505U/en active Active
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