CN107165673B - Mine method deep buried underwater traffic tunnel wastewater sectional collection and grading lifting structure - Google Patents
Mine method deep buried underwater traffic tunnel wastewater sectional collection and grading lifting structure Download PDFInfo
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- CN107165673B CN107165673B CN201710354227.XA CN201710354227A CN107165673B CN 107165673 B CN107165673 B CN 107165673B CN 201710354227 A CN201710354227 A CN 201710354227A CN 107165673 B CN107165673 B CN 107165673B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention discloses a mining method deep buried underwater traffic tunnel wastewater sectional collection and grading lifting structure, and relates to the technical field of underwater traffic tunnels; the lowest point of the tunnel A section, the lowest point of the tunnel B section and the lowest point of the tunnel C section are all provided with wastewater pump rooms; the middle wastewater pump room and the lowest wastewater pump room are both composed of a wastewater tank and a wastewater pump positioned in the wastewater tank; the waste water pump rooms of the tunnel A section and the tunnel C section are respectively arranged right below the left tunnel air shaft and the right tunnel air shaft, and waste water pumping pipes in the waste water pump rooms of the tunnel A section and the tunnel C section are respectively connected to the outside through the tunnel air shafts corresponding to the waste water pumping pipes; the waste water pump in the lowest waste water pump house is connected with the waste water pool in the section C of the tunnel through the waste water lifting pipe. The enlarged wastewater pool is a small wastewater pool, the enlarged pump is a small pump, and the pump has the advantages of convenient and quick water drainage, safety, high efficiency, reduced occupied area of a pump house, construction cost saving, pump house running cost saving and the like.
Description
Technical Field
The invention relates to the technical field of underwater traffic tunnels, in particular to a mining method deep-buried underwater traffic tunnel wastewater sectional collection and grading lifting structure.
Background
The deep buried underwater traffic tunnel is long in length, deep in burying and large in section, the tunnel is usually arranged in a submarine traffic tunnel, the geographic position of the tunnel is special, the tunnel function is important, and the drainage requirement is high. Mining is one of the most common methods for tunnel construction, and the amount of wastewater which is required to be discharged by an underwater traffic tunnel of the construction method is very large; meanwhile, due to the fact that the burial depth is large, the wastewater drainage of the tunnel is often a problem which is difficult to solve perfectly. In order to economically and efficiently discharge the wastewater in such tunnels, high requirements are placed on the drainage pattern. At present, most designers are consistent with the common tunnel emission form in terms of mine method deep-buried underwater tunnel wastewater emission form, namely, a wastewater pump house is designed at the lowest point, so that the wastewater is lifted out of the tunnel at one stage. Thus, although the drainage function can be met, the whole wastewater drainage system has great defects in the aspects of economy and safety, and a plurality of hidden dangers are buried for the subsequent tunnel operation, and the defects are mainly expressed in the following aspects: the single-stage lifting drainage mode greatly increases the lift requirement of the drainage pump, which is not beneficial to the selection of a waste water pump, and also increases the pressure resistance requirement on equipment and pipes; the single-stage lifting drainage mode greatly increases the drainage load of the lowest point waste water pump house, and simultaneously increases the volume of a waste water tank, and the excessively large volume can increase the tunnel construction risk; the single-stage lifting drainage form does not meet the drainage energy-saving principle of 'high water and high drainage, low water and low drainage', so that the whole wastewater drainage system runs for a long time and in a low efficiency mode, energy conservation is not facilitated, the service life of water pump equipment is influenced, the single-stage lifting drainage form suitable for a common tunnel is applied to a deep-buried underwater traffic tunnel, and the single-stage lifting drainage form is obviously unsuitable and needs to be improved.
Disclosure of Invention
Aiming at the defects and shortcomings of the prior art, the invention provides the sectional collection and grading lifting structure for the mine method deep-buried underwater traffic tunnel wastewater, which has the advantages of simple structure, reasonable design, convenience in use, simple construction method, capability of changing a large wastewater pool into a small wastewater pool and changing a large pump into a small pump, convenience and rapidness in drainage, safety and high efficiency, capability of reducing occupied area of a pump house, capability of saving engineering cost, operation cost of the pump house and the like.
In order to achieve the above purpose, the invention adopts the following technical scheme: the land-based underground water storage device consists of a land-based shallow buried section and an underwater deep buried section; the land shallow buried section is a tunnel A section between a left bank hole of a tunnel and a left tunnel wind well, and a tunnel C section between a right ventilation vertical shaft and a right bank hole; the underwater deep buried section is a tunnel section B between the left tunnel wind well and the right tunnel wind well; the lowest point of the tunnel A section, the lowest point of the tunnel B section and the lowest point of the tunnel C section are all provided with wastewater pump rooms, wherein the wastewater pump rooms of the tunnel A section and the tunnel C section are middle wastewater pump rooms, and the wastewater pump room of the tunnel B section is the lowest wastewater pump room; the middle wastewater pump room and the lowest wastewater pump room are both composed of a wastewater tank and a wastewater pump positioned in the wastewater tank; the waste water pump rooms of the tunnel A section and the tunnel C section are respectively arranged right below the left tunnel air shaft and the right tunnel air shaft, and waste water pumping pipes in the waste water pump rooms of the tunnel A section and the tunnel C section are respectively connected to the outside through the tunnel air shafts corresponding to the waste water pumping pipes; the waste water pump in the lowest waste water pump house is connected with the waste water pool in the section C of the tunnel through the waste water lifting pipe.
Further, the waste water collected by the waste water pool in the tunnel section A mainly comprises flushing waste water, structural water leakage and fire control waste water from the tunnel section A.
Further, the waste water collected by the waste water pond in the lowest waste water pump house mainly comes from flushing waste water, structural water leakage and fire-fighting waste water in the section B of the tunnel.
Further, the wastewater collected by the wastewater pool in the tunnel section C mainly comprises flushing wastewater, structural water leakage and fire-fighting wastewater in the tunnel section C, and wastewater from a wastewater pump house with the lowest point lifted to the wastewater pump house of the tunnel section C.
Further, the wastewater pools in the middle wastewater pump room and the lowest wastewater pump room are determined by a scientific calculation method in combination with actual engineering.
Further, the lowest point of the deep-buried underwater traffic tunnel is not less than 60m below the water surface, and the total length of the deep-buried underwater traffic tunnel is not less than 3000m.
Further, the effective volume of the wastewater pool in the wastewater pump room in the tunnel section C is not smaller than the effective volume of the wastewater pool in the lowest wastewater pump room.
Further, the total length of the waste water lifting pipe is not less than 1500m, and the primary lifting height of waste water is not less than 45m.
After the structure is adopted, the invention has the beneficial effects that:
1. compared with the lifting and discharging mode suitable for the primary wastewater of a common tunnel, the effective volume of the wastewater pool can be greatly reduced, the large pool is changed into a small pool, the safety of the deep-buried underwater tunnel construction is improved, the occupied space of a pump house is small, and the construction cost is saved;
2. compared with a lifting discharge form suitable for primary wastewater of a common tunnel, a water pump with smaller lift can be selected, so that the selectable range of the wastewater pump is greatly increased;
3. compared with a lifting discharge form suitable for the primary wastewater of a common tunnel, a water pump with smaller lift can be selected, so that the pressure-resistant requirement of a pipeline valve is reduced.
4. Compared with the lifting discharge form suitable for the primary wastewater of a common tunnel, the device has the advantages of high water content, high discharge, low water content and low discharge, thereby reducing energy consumption;
5. compared with the method suitable for the primary wastewater lifting and discharging form of a common tunnel, the method collects wastewater in sections, is not mutually interfered, improves the reliability and the economy of wastewater discharge in a grading manner;
6. compared with a lifting discharge form suitable for primary wastewater of a common tunnel, the calculation and determination of the effective volume of the wastewater pool are more scientific and reasonable;
7. the advantages are obvious, safe and reliable, and the whole wastewater drainage system is economical, reasonable and efficient.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural view of the present invention.
Reference numerals illustrate:
1. the section A middle wastewater pump room; 2. a waste water tank in the middle of the section A; 3. a section A wastewater pump; 4. left tunnel
A wind shaft; 5. a section A wastewater pumping pipe; 6. a lowest point wastewater pump house; 7. a lowest point wastewater tank; 8.
a lowest point waste water pump; 9. a waste water riser; 10. a waste water pump house in the middle of the section C; 11. middle of section C
A wastewater tank; 12. c section waste water pump; 13. a right tunnel wind shaft; 14. c section waste water pumping pipe.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1, the technical scheme adopted in the specific embodiment is as follows: the land-based underground water storage device consists of a land-based shallow buried section and an underwater deep buried section; the shallow land buried section is a tunnel A section between a left bank hole of a tunnel and a left end tunnel wind well 4, and a tunnel C section between a right end ventilation vertical 13 well and a right bank hole; the underwater deep buried section is a tunnel section B between the left tunnel wind well 4 and the right tunnel wind well 13; the lowest point of the tunnel section A is provided with a section A middle wastewater pump room 1, and the section A middle wastewater pump room 1 is internally provided with a section A middle wastewater tank 2 and a section A wastewater pump 3 positioned in the section A middle wastewater tank 2; the lowest point of the tunnel section B is provided with a lowest point wastewater pump room 6, and the lowest point wastewater pump room 6 is provided with a lowest point wastewater tank 7 and a lowest point wastewater pump 8 positioned in the lowest point wastewater tank 7; the lowest point of the section C is provided with a section C middle wastewater pump room 10, and a section C middle wastewater tank 11 and a section C wastewater pump 12 positioned in the section C middle wastewater tank 11 are arranged in the section C middle wastewater pump room 10; the section A middle wastewater pump room 1 is arranged right below the left tunnel wind well 4, and the section A wastewater pumping pipe 5 on the section A wastewater pump 3 is arranged in the left tunnel wind well 4 to discharge wastewater in the section A middle wastewater tank 2 to the outside; the waste water pump house 10 in the middle of the C section set up under right-hand member tunnel wind shaft 13, the C section waste water pumping pipe 14 on the C section waste water pump 12 sets up in right-hand member ventilation erects 13, the waste water pond 11 in the middle of the minimum waste water pump 8 and the C section through waste water riser 9 be connected, the waste water in the waste water pond 7 in the minimum lifts to the waste water pond 11 in the middle of the C section to discharge to the outdoor together with the waste water in the waste water pond 10 in the middle of the C section.
Further, the waste water collected by the waste water pond 2 in the middle of the section A mainly comprises flushing waste water, structural water leakage and fire-fighting waste water from the section A of the tunnel.
Further, the wastewater collected by the lowest point wastewater pond 7 mainly comes from flushing wastewater, structural water leakage and fire-fighting wastewater in the section B of the tunnel.
Further, the waste water collected by the waste water pond 11 in the middle of the section C is mainly waste water from flushing waste water, structural water leakage and fire-fighting waste water in the section C of the tunnel, and waste water from the waste water pump house with the lowest point lifted to the waste water pump house in the section C of the tunnel.
Further, the section A middle wastewater tank 2, the section C middle wastewater tank 11 and the lowest point wastewater tank 7 are all determined by a scientific calculation method in combination with actual engineering.
Further, the lowest point of the deep-buried underwater traffic tunnel is not less than 60m below the water surface, and the total length of the deep-buried underwater traffic tunnel is not less than 3000m.
Further, the effective volume of the intermediate wastewater tank 11 in the section C is not smaller than that of the lowest point wastewater tank 7.
Further, the total length of the waste water lifting pipe 9 is not less than 1500m, and the primary lifting height of waste water is not less than 45m.
The working principle of the specific embodiment is as follows: flushing wastewater, structural water leakage and fire-fighting wastewater in a tunnel from a tunnel left bank opening to a tunnel wind well section at the left end are collected in an A-section middle wastewater tank 2, when the water surface in the A-section middle wastewater tank 2 reaches a certain height, an A-section wastewater pump 3 is started, the wastewater collected in the A-section middle wastewater tank 2 is discharged out of the tunnel through an A-section wastewater pumping pipe 5, and when the liquid level in the A-section middle wastewater tank 2 is reduced to a pump stopping water level, the A-section wastewater pump 3 stops running; the tunnel flushing wastewater, structural leakage water and fire fighting wastewater from the left tunnel wind well 4 to the lowest point wastewater pump house 6 and from the lowest point wastewater pump house 6 to the right tunnel wind well 13 are all collected to a lowest point wastewater tank 7 in the lowest point wastewater pump house 6, when the water level in the lowest point wastewater tank 7 reaches a certain height, a lowest point wastewater pump 8 in the lowest point wastewater tank 7 is started, the wastewater collected in the lowest point wastewater tank 7 is lifted to a C section middle wastewater tank 11 through a wastewater lifting pipe 9, and when the liquid level in the lowest point wastewater tank 7 is reduced to a pump stopping water level, the lowest point wastewater pump 7 stops running; the tunnel flushing wastewater, structural leakage water and fire-fighting wastewater from the right tunnel air shaft 13 to the right tunnel outlet are collected into the C-section middle wastewater tank 11, wherein the C-section middle wastewater tank 11 also receives wastewater from the lowest point wastewater tank 7, when the water surface of the C-section middle wastewater tank 11 reaches a certain height, the C-section wastewater pump 12 is started, the wastewater collected in the C-section middle wastewater tank 11 is discharged out of the tunnel through the C-section wastewater lifting pipe 14, and when the liquid surface in the C-section middle wastewater tank 11 is reduced to the pump stopping water level, the C-section wastewater pump 12 stops running.
After adopting above-mentioned structure, this concrete implementation mode beneficial effect does: the embodiment provides a mine method deep buried underwater traffic tunnel wastewater sectional collection and grading lifting structure, the structure has the advantages of simple structural form and construction method, changed large wastewater pool into small wastewater pool, changed large pump into small pump, convenient and fast drainage, safety and high efficiency, reduced pump house occupation, saved engineering cost and pump house operation cost and the like.
The foregoing is merely illustrative of the present invention and not restrictive, and other modifications and equivalents thereof may occur to those skilled in the art without departing from the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a mine method buries under water traffic tunnel waste water segmentation collection hierarchical promotion structure which characterized in that: the land-based underground water storage device consists of a land-based shallow buried section and an underwater deep buried section; the land shallow buried section is a tunnel A section between a left bank hole of a tunnel and a left tunnel wind well, and a tunnel C section between a right ventilation vertical shaft and a right bank hole; the underwater deep buried section is a tunnel section B between the left tunnel wind well and the right tunnel wind well; the lowest point of the tunnel A section, the lowest point of the tunnel B section and the lowest point of the tunnel C section are all provided with wastewater pump rooms, wherein the wastewater pump rooms of the tunnel A section and the tunnel C section are middle wastewater pump rooms, and the wastewater pump room of the tunnel B section is the lowest wastewater pump room; the middle wastewater pump room and the lowest wastewater pump room are both composed of a wastewater tank and a wastewater pump positioned in the wastewater tank; the waste water pump rooms of the tunnel A section and the tunnel C section are respectively arranged right below the left tunnel air shaft and the right tunnel air shaft, and waste water pumping pipes in the waste water pump rooms of the tunnel A section and the tunnel C section are respectively connected to the outside through the tunnel air shafts corresponding to the waste water pumping pipes; the waste water pump in the lowest waste water pump house is connected with the waste water pool in the section C of the tunnel through the waste water lifting pipe.
2. The mining-method deep-buried underwater traffic tunnel wastewater sectional collection and grading lifting structure according to claim 1, wherein the mining-method deep-buried underwater traffic tunnel wastewater sectional collection and grading lifting structure is characterized in that: the lowest point of the deep-buried underwater traffic tunnel is not less than 60m below the water surface, and the total length of the deep-buried underwater traffic tunnel is not less than 3000m.
3. The mining-method deep-buried underwater traffic tunnel wastewater sectional collection and grading lifting structure according to claim 1, wherein the mining-method deep-buried underwater traffic tunnel wastewater sectional collection and grading lifting structure is characterized in that: the effective volume of the wastewater pool in the wastewater pump room in the tunnel section C is not smaller than that in the lowest wastewater pump room.
4. The mining-method deep-buried underwater traffic tunnel wastewater sectional collection and grading lifting structure according to claim 1, wherein the mining-method deep-buried underwater traffic tunnel wastewater sectional collection and grading lifting structure is characterized in that: the total length of the waste water lifting pipe is not less than 1500m, and the primary lifting height of waste water is not less than 45m.
5. The mining-method deep-buried underwater traffic tunnel wastewater sectional collection and grading lifting structure according to claim 1, wherein the mining-method deep-buried underwater traffic tunnel wastewater sectional collection and grading lifting structure is characterized in that: the waste water collected by the waste water pool in the tunnel section A mainly comprises flushing waste water, structural water leakage and fire-fighting waste water from the tunnel section A.
6. The mining-method deep-buried underwater traffic tunnel wastewater sectional collection and grading lifting structure according to claim 1, wherein the mining-method deep-buried underwater traffic tunnel wastewater sectional collection and grading lifting structure is characterized in that: the waste water collected by the waste water pool in the lowest waste water pump house mainly comes from flushing waste water, structural water leakage and fire-fighting waste water in the section B of the tunnel.
7. The mining-method deep-buried underwater traffic tunnel wastewater sectional collection and grading lifting structure according to claim 1, wherein the mining-method deep-buried underwater traffic tunnel wastewater sectional collection and grading lifting structure is characterized in that: the waste water collected by the waste water pool in the tunnel section C mainly comprises flushing waste water, structural water leakage and fire-fighting waste water in the tunnel section C, and waste water from a waste water pump house with the lowest point lifted to the waste water pump house of the tunnel section C.
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| CN201710354227.XA CN107165673B (en) | 2017-05-18 | 2017-05-18 | Mine method deep buried underwater traffic tunnel wastewater sectional collection and grading lifting structure |
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| CN201710354227.XA CN107165673B (en) | 2017-05-18 | 2017-05-18 | Mine method deep buried underwater traffic tunnel wastewater sectional collection and grading lifting structure |
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| CN107165673B true CN107165673B (en) | 2023-07-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108223008A (en) * | 2018-03-02 | 2018-06-29 | 中铁第六勘察设计院集团有限公司 | A kind of buried Underwater Traffic Tunnel wastewater disposal basin dischargeable capacity optimization structure of Mining Method |
| CN109026043B (en) * | 2018-09-18 | 2023-11-10 | 中铁第六勘察设计院集团有限公司 | Dynamic self-joint laying type and method for long-distance underwater tunnel mine shield |
| CN112031866A (en) * | 2020-07-21 | 2020-12-04 | 中国水利水电第九工程局有限公司 | Tunnel segmented drainage lining construction process |
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