CN114575922A - Mechanical shield superposed line side type subway station wastewater pump room arrangement and drainage system - Google Patents
Mechanical shield superposed line side type subway station wastewater pump room arrangement and drainage system Download PDFInfo
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- CN114575922A CN114575922A CN202210362113.0A CN202210362113A CN114575922A CN 114575922 A CN114575922 A CN 114575922A CN 202210362113 A CN202210362113 A CN 202210362113A CN 114575922 A CN114575922 A CN 114575922A
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- 239000002351 wastewater Substances 0.000 title claims abstract description 163
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 238000007599 discharging Methods 0.000 claims description 9
- 238000004065 wastewater treatment Methods 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 238000009933 burial Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/14—Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Sewage (AREA)
Abstract
The invention discloses a mechanical shield superposed line side type subway station wastewater pump room arrangement and drainage system, which comprises a shield tunnel main body, a wastewater pump room and a wastewater pool. The shield superposed line tunnel adopts a single-hole double-line upper and lower platform stacking mode to arrange two lines together. The two sides of the upper and lower rail traveling areas are both provided with a drainage side ditch and a transverse ditch, the waste water pump house and the waste water tank are arranged at the low point in the range of the equipment area of the lower platform, the upper transverse ditch of the upper platform is internally provided with a large-flow floor drain, and the lower transverse ditch is connected with the waste water tank through an embedded steel pipe. Set up the pressure waste pipe of connecting the waste water pump house in the station exhaust airway, insert outside municipal drainage pipe network. According to the invention, the vertical space is fully utilized, wastewater of two lines is collected in a unified manner, and the wastewater is combined into a wastewater pump room, so that each line is not required to be arranged independently, the structural risk caused by the fact that a wastewater tank is sunk at a bedplate of an upper station is avoided, the quantity of water pumps and the installation engineering quantity of accessories such as pipelines are reduced, and the electromechanical and civil construction cost and difficulty are reduced.
Description
Technical Field
The invention relates to a shield superposed line side type subway station wastewater pump room arrangement and drainage system, in particular to a mechanical shield superposed line side type subway station wastewater pump room arrangement and drainage system.
Background
With the continuous development of the urbanization process, in order to develop the infrastructure and relieve the pressure of urban traffic, the construction of urban rail traffic is gradually increased, and the station construction types are more and more diversified. Because the underground station can generate structural water leakage, flushing wastewater and fire-fighting wastewater, the wastewater drainage problem at the lowest point in the station, in particular the wastewater drainage problem of the shield station, is paid much attention. In the current engineering practice and published technical documents, the station constructed by open excavation, underground excavation and mining methods has more wastewater drainage technologies, but the shield type station, especially the shield superposed line side type station wastewater drainage technology, is more limited. By reference to the waste water drainage technology of current general type station, open cut, the more drainage technology of excavation station application include: a wastewater pump room is arranged at the single-slope low point of the island type station; and waste water pump rooms and the like are respectively arranged on two sides of the side type platform. The shield superposed line side type station is different from a common station type, and the drainage thought of the common station type cannot be used for reference in the arrangement and drainage form of the waste water pump house, so that the drainage thought needs to be additionally developed for research and innovation in the station form of the type.
The Chinese patent application CN201710361669.7 discloses a built-in pump house structure of a shield tunnel, and the drainage scheme of the structure is that a waste water pump house is arranged at the single-slope low point of an island type station, so that the technical problems of difficult maintenance and high construction cost exist.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a wastewater pump house arrangement and drainage system which can reduce the number of wastewater pump houses of shield side type platforms, reduce drainage equipment and pipeline arrangement and solve the problem of drainage of shield superposed line side type subway stations so as to solve the problem of smooth drainage of the shield superposed line side type subway stations and further solve the defects in the prior art.
In order to realize the purpose, the invention adopts the following technical scheme:
a mechanical shield superposed line side type subway station wastewater pump room arrangement and drainage system comprises a shield tunnel station main body, a wastewater drainage channel and a wastewater treatment unit; the shield tunnel station main body comprises an upper station platform and a lower station platform, the wastewater drainage channel comprises an upper drainage channel and a lower drainage channel, the wastewater treatment unit comprises a wastewater pump room, a wastewater pool and a wastewater drainage channel, the bottom of the upper station platform is connected with the upper drainage channel, the bottom of the lower station platform is connected with the lower drainage channel, the upper drainage channel is connected with the lower drainage channel, the lower drainage channel is connected with the wastewater pool, the wastewater pool is connected with the wastewater drainage channel, and the wastewater pump room is arranged above the wastewater pool; the waste water pool and the waste water pump room are arranged on one side of the lower-layer station platform, the horizontal position of the waste water pool is lower than the lower drainage channel, and the drainage channel is arranged in the exhaust duct of the shield tunnel station main body equipment area.
Furthermore, the upper drainage channel comprises an upper drainage side ditch, an upper transverse ditch, a large-flow floor drain and a floor drain drainage vertical pipe, wherein the upper drainage side ditch is arranged at two sides of a rail walking area of the platform of the upper station and used for collecting wastewater in the station of the upper station; the upper transverse ditch is positioned at the lowest point of the upper rail area and used for discharging the waste water collected in the upper drainage side ditch, a large-flow floor drain is arranged in the upper transverse ditch, and the outlet of the large-flow floor drain is connected with the vertical drainage pipe of the floor drain.
Further, the lower drainage channel comprises a lower drainage side ditch, a lower transverse ditch and embedded steel pipes, wherein the lower drainage side ditch is arranged on two sides of a rail running area of the lower-layer station platform and used for collecting wastewater in the lower-layer station platform; the lower transverse ditch is positioned at the lowest point of the lower rail row area and used for discharging the wastewater collected in the lower drainage side ditch, the lower transverse ditch is connected with the embedded steel pipe, and the embedded steel pipe is connected with the wastewater pond.
Further, the water outlet end of the floor drain vertical pipe is connected with the lower transverse ditch.
Furthermore, a sand trap is arranged between the lower transverse ditch and the embedded steel pipe.
Furthermore, slopes are arranged in the upper transverse ditch and the lower transverse ditch and are respectively used for discharging the waste water to the large-flow floor drain and the waste water pool.
Further, the waste water discharge passage comprises a pressure waste water pipe, and the pressure waste water pipe is connected with an outside-station municipal drainage pipe network.
Furthermore, a drainage pump is arranged in the wastewater tank and is connected with the pressure wastewater pipe.
Furthermore, a waterproof sleeve is arranged at the position, where the pressure wastewater pipe penetrates out of the structural side wall body of the exhaust duct.
The invention has the beneficial effects that:
(1) the vertical space is fully utilized, and the wastewater of the two lines is collected in a unified way and combined into a wastewater pump room;
(2) the drainage side ditches of the left and right line platforms are connected by utilizing the space arrangement form of the line-superposed platforms and adopting the vertical drainage form to form a uniform drainage system, so that the investment waste caused by the independent arrangement of the drainage systems of the left and right line platforms is avoided, and the social and economic benefits are good.
(3) Structural risks caused by the fact that the upper station bedplate sinks to serve as a wastewater pool are avoided, and civil construction cost and construction risks are reduced;
(4) the quantity of water pumps, the quantity of accessory installation projects such as pipelines and the like are reduced, and the electromechanical and civil construction cost and difficulty are reduced;
(5) the waste water pipeline is laid to the tunnel outlet in a reasonable mode and is connected to a municipal drainage system, and the waste water outlet is reasonable;
(6) the waste water pipeline laying mode is convenient for construction and installation, and pipeline maintenance and maintenance in the future, and has good social and economic benefits.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a mechanical shield superposed line side type subway station wastewater pump house arrangement and drainage system;
FIG. 2 is a schematic diagram of a mechanical shield superposed line side type subway station wastewater pump room arrangement and drainage channel structure on a drainage system;
FIG. 3 is a schematic diagram of the structure of a drainage channel under a mechanical shield superposed line side type subway station wastewater pump room arrangement and drainage system of the invention;
FIG. 4 is a schematic diagram of a mechanical shield superposed line side type subway station wastewater pump room arrangement and drainage system upper drainage channel and lower drainage channel connection structure and a wastewater treatment unit structure.
Reference numerals: 1. a shield tunnel station main body; 2. a wastewater pump house; 3. a wastewater tank; 4. an upper drainage side ditch; 5. a lower drainage side ditch; 6. an upper transverse groove; 7. a lower transverse trench; 8. a large-flow floor drain; 9. a floor drain drainage stand pipe; 10. pre-burying a steel pipe; 11. a sand sediment trap; 12. a pressure waste pipe; 13. a waterproof sleeve.
Detailed Description
The invention will be further described with reference to the accompanying drawings and the detailed description below:
a mechanical shield superposed line side type subway station wastewater pump room arrangement and drainage system is shown in figure 1 and comprises a shield tunnel station main body 1, a wastewater drainage channel and a wastewater treatment unit;
the shield superposed-line tunnel adopts a single-hole double-line upper and lower platform stacking mode to arrange two lines together, the right side of the shield tunnel station main body 1 is an upper and lower layer station platform, and the left side is an equipment area. An intermediate wall and a road bottom plate are arranged in the shield tunnel station main body 1, and the intermediate wall is positioned between an upper platform and a lower platform.
Wastewater drainage channel includes drain channel and lower drain channel, and wastewater treatment unit includes waste water pump house 2, wastewater disposal basin 3 and wastewater drainage channel, and upper station platform bottom is connected with drain channel, and lower floor station platform bottom is connected with lower drain channel, goes up drain channel and is connected with lower drain channel, and lower drain channel is connected with wastewater disposal basin 3, and wastewater disposal basin 3 is connected with wastewater drainage channel.
Waste water pump house 2 sets up in wastewater disposal basin 3 top, and wastewater disposal basin 3 and waste water pump house 2 set up the one side at lower floor's station platform, and wastewater pump house 2 and wastewater disposal basin 3 set up in lower floor's station equipment area within range low point department, and the later stage maintenance of the waste water pump house 2 and wastewater disposal basin 3 of being convenient for does not receive the influence of driving a vehicle, and the horizontal position of wastewater disposal basin 3 is less than down drainage channel, and drainage channel sets up in shield tunnel station main part 1 equipment area exhaust airway. The station wastewater pump house 2 is located at the lowest point of the station, the depth of burial is deeper, and if the pressure wastewater pipe 12 directly penetrates out of the station from the place where the wastewater tank 3 is arranged, the problems that the wastewater does not go out or the depth of burial is deeper, the pipeline maintenance is difficult and the like can be met. The pressure wastewater pipe 12 is laid to the outlet of the exhaust duct through the station equipment area, the wastewater is reasonable in outlet, and the pressure wastewater pipe is convenient to construct and simple to maintain.
Further, as shown in fig. 2, the upper drainage channel includes an upper drainage side ditch 4, an upper cross ditch 6, a large-flow floor drain 8 and a floor drain drainage vertical pipe 9, wherein the upper drainage side ditch 4 is arranged at two sides of the rail area of the upper station platform and used for collecting wastewater in the upper station platform; the upper transverse ditch 6 is positioned at the lowest point of the upper rail area and used for discharging the wastewater collected in the upper drainage side ditch 4, 3 large-flow floor drains 8 with the specification of DN150 are arranged in the upper transverse ditch 6 and used for leading the upper-layer wastewater to a lower-layer drainage channel, and the outlets of the large-flow floor drains 8 are connected with a vertical floor drain drainage pipe 9.
Further, as shown in fig. 3, the lower drainage channel includes a lower drainage side ditch 5, a lower transverse ditch 7 and an embedded steel pipe 10, the lower drainage side ditch 5 is arranged at two sides of the rail running area of the lower station platform for collecting the wastewater in the lower station platform; the lower transverse ditch 7 is positioned at the lowest point of the lower rail row area and used for discharging the wastewater collected in the lower drainage side ditch 5, the lower transverse ditch 7 is connected with the embedded steel pipe 10, and the embedded steel pipe 10 is connected with the wastewater pond 3.
As shown in figure 4, the upper transverse structure is connected with a floor drain drainage vertical pipe 9 through a large-flow floor drain 8, and the water outlet end of the floor drain drainage vertical pipe 9 is connected with the lower drainage side ditch 5.
The upper drainage side ditch 4 and the lower drainage side ditch 5 are used for collecting waste water of each layer to the lowest point by an upper layer and a lower layer, the waste water comprises fire-fighting waste water, flushing waste water and structural seepage water, the lowest point of an upper station platform is an upper cross-sectional ditch 6, and the lowest point of a lower station platform is a pre-buried drainage steel pipe.
The upper cross-sectional ditch 6 and the lower cross-sectional ditch 7 are arranged on the side close to the waste water pump house 2.
In order to better discharge the waste water to the waste water tank 3, the upper and lower cross trenches 6 and 7 and the embedded stainless steel drain pipe 10 in the bottom plate are provided with slopes, generally, about 5 ‰, to meet the requirement, but the present invention is not limited thereto. As will be understood by those skilled in the art, the embedded stainless steel drain pipe 10 is provided with a water-stopping wing ring before entering the wastewater tank 3, so as to achieve a better water-stopping effect.
Further, the water outlet end of the floor drain water drainage vertical pipe 9 is connected with the lower transverse ditch 7.
Furthermore, a sand-sinking well 11 is arranged between the lower transverse ditch 7 and the embedded steel pipe 10.
Furthermore, slopes are arranged in the upper transverse ditch 6 and the lower transverse ditch 7 and are respectively used for discharging the wastewater into the large-flow floor drain 8 and the wastewater pool 3.
Further, waste water escape way includes pressure waste pipe 12, and pressure waste pipe 12 one end is laid outside to the station along the exhaust airway in getting into upper exhaust airway through the equipment district walkways, inserts outside municipal drainage pipe network again. The other end of the pressure wastewater pipe 12 is connected with the wastewater pool 3 through the wastewater pump room 2.
Furthermore, a drainage pump is provided in the wastewater tank 3, and the drainage pump is connected with the pressure wastewater pipe 12.
Furthermore, a waterproof sleeve is installed at the position of the structural side wall body of the pressure wastewater pipe 12 penetrating out of the exhaust duct.
The working principle of the mechanical shield superposed line side type subway station wastewater pump room arrangement and drainage system is as follows: the waste water of the upper station platform firstly collects the upper drainage side ditch 4 and further flows to the transverse ditch, the waste water flows to the floor drain drainage vertical pipe 9 to the lower drainage side ditch 5 through the large-flow floor drain 8 in the transverse ditch, the waste water of the lower station platform also collects the lower drainage side ditch 5, the waste water of the lower drainage side ditch 5 flows to the waste water pool 3 through the sand sediment trap 11 and the embedded steel pipe 10, and the waste water in the waste water pool 3 is discharged to an external municipal drainage pipe network through the pressure waste pipe 12 in the waste water pump room 2 through the drainage pump.
According to the invention, the vertical space is fully utilized, wastewater of two lines is collected uniformly and combined into one wastewater pump room 2, and each line is not required to be arranged independently, so that the structural risk caused by the fact that a wastewater pool 3 is made by sinking the bedplate at an upper station is avoided, the quantity of water pumps and the installation engineering quantity of accessories such as pipelines are reduced, and the electromechanical and civil construction cost and difficulty are reduced. The wastewater outlet is reasonable, the wastewater pipeline laying mode is convenient for construction, installation and daily maintenance, and good social and economic benefits are achieved.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.
Claims (9)
1. A mechanical shield superposed line side type subway station wastewater pump room arrangement and drainage system is characterized by comprising a shield tunnel station main body (1), a wastewater drainage channel and a wastewater treatment unit; the shield tunnel station main body (1) comprises an upper station platform and a lower station platform, the wastewater drainage channel comprises an upper drainage channel and a lower drainage channel, the wastewater treatment unit comprises a wastewater pump room (2), a wastewater pool (3) and a wastewater drainage channel, the bottom of the upper station platform is connected with the upper drainage channel, the bottom of the lower station platform is connected with the lower drainage channel, the upper drainage channel is connected with the lower drainage channel, the lower drainage channel is connected with the wastewater pool (3), the wastewater pool (3) is connected with the wastewater drainage channel, and the wastewater pump room (2) is arranged above the wastewater pool (3); the waste water pump house (2) is arranged on one side of the lower-layer station platform, the horizontal position of the waste water pump house (3) is lower than the lower drainage channel, and the drainage channel is arranged in an exhaust duct of the equipment area of the shield tunnel station main body (1).
2. The mechanical shield superposed line side type subway station wastewater pump house arrangement and drainage system according to claim 1, wherein said upper drainage channel comprises upper drainage side ditches (4), upper cross ditches (6), large flow rate floor drains (8) and floor drain drainage vertical pipes (9), said upper drainage side ditches (4) are arranged at two sides of upper station platform rail areas for collecting wastewater in the upper station platform; the upper transverse ditch (6) is positioned at the lowest point of the upper rail area and used for discharging the waste water collected in the upper drainage side ditch (4), a large-flow floor drain (8) is arranged in the upper transverse ditch (6), and the outlet of the large-flow floor drain (8) is connected with the floor drain drainage vertical pipe (9).
3. The mechanical shield superposed line side type subway station wastewater pump house arrangement and drainage system according to claim 2, wherein said lower drainage channel comprises lower drainage side ditches (5), lower cross ditches (7) and pre-buried steel pipes (10), said lower drainage side ditches (5) are arranged at two sides of a lower station platform rail area for collecting wastewater in the lower station platform; the lower transverse ditch (7) is located at the lowest point of the lower rail row area and used for discharging wastewater collected in the lower drainage side ditch (5), the lower transverse ditch (7) is connected with the embedded steel pipe (10), and the embedded steel pipe (10) is connected with the wastewater pond (3).
4. A mechanical shield overlap line side type subway station waste water pump house arrangement and drainage system according to claim 3, characterized in that said floor drain drainage stand pipe (9) outlet end is connected with said lower transversal trench (7).
5. The mechanical shield overlap line side type subway station wastewater pump house arrangement and drainage system according to claim 3, wherein a sand sinking well (11) is further arranged between said lower transverse trench (7) and said embedded steel pipe (10).
6. The mechanical shield overlap line side type subway station wastewater pump house arrangement and drainage system according to claim 3, characterized in that slopes are provided in both said upper transverse trench (6) and said lower transverse trench (7) for discharging wastewater into said large flow floor drain (8) and said wastewater basin (3), respectively.
7. The mechanical shield superposed-line type subway station wastewater pump house arrangement and drainage system according to claim 1, wherein said wastewater discharge channel comprises a pressure wastewater pipe (12), said pressure wastewater pipe (12) is connected with an off-station municipal drainage pipe network.
8. A mechanical shield overlap line side subway station wastewater pump house arrangement and drainage system according to claim 1, characterized in that a drainage pump is provided in said wastewater basin (3), said drainage pump being connected to a pressure wastewater pipe (12).
9. The mechanical shield superposed line side type subway station wastewater pump house arrangement and drainage system according to claim 7, wherein said pressure wastewater pipe (12) is installed with a waterproof sleeve (13) through the structural side wall of the exhaust duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210362113.0A CN114575922A (en) | 2022-04-07 | 2022-04-07 | Mechanical shield superposed line side type subway station wastewater pump room arrangement and drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210362113.0A CN114575922A (en) | 2022-04-07 | 2022-04-07 | Mechanical shield superposed line side type subway station wastewater pump room arrangement and drainage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114575922A true CN114575922A (en) | 2022-06-03 |
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ID=81777812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210362113.0A Pending CN114575922A (en) | 2022-04-07 | 2022-04-07 | Mechanical shield superposed line side type subway station wastewater pump room arrangement and drainage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114575922A (en) |
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2022
- 2022-04-07 CN CN202210362113.0A patent/CN114575922A/en active Pending
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