CN220486608U - TBM tunnel construction water supply system - Google Patents
TBM tunnel construction water supply system Download PDFInfo
- Publication number
- CN220486608U CN220486608U CN202321421949.XU CN202321421949U CN220486608U CN 220486608 U CN220486608 U CN 220486608U CN 202321421949 U CN202321421949 U CN 202321421949U CN 220486608 U CN220486608 U CN 220486608U
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- Prior art keywords
- pipeline
- water supply
- gate valve
- water
- branch
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 157
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 208000022971 Tuberculous meningitis Diseases 0.000 description 9
- 208000001223 meningeal tuberculosis Diseases 0.000 description 9
- 230000005641 tunneling Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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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
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
A TBM tunnel construction water supply system belongs to the field of tunnel engineering. The tunnel is designed mainly for solving the problem that insufficient water supply is generated during the construction of the current TBM tunnel. Two gate valves are arranged on the pipeline between the high-level water tank and the stirring station water tank; the water supply pipeline is connected to a water supply pipeline, the water supply pipeline is provided with a water supply main gate valve, a pressure reducing valve and a gate valve, and two ends of the first branch water supply pipeline are connected to the water supply pipeline and are provided with a standby gate valve and a pump. A water tank water inlet pipeline is arranged between the water supply pipeline and the water tank, a first water discharge pipeline and a second water discharge pipeline are connected to the water tank, a sixth gate valve, a centrifugal pump and a one-way check valve are arranged on the first water discharge pipeline, and the first water discharge pipeline is connected to the pipeline; two ends of the first branch drainage pipeline are connected to the first drainage pipeline, and a sixth gate valve, a centrifugal pump and a one-way check valve are arranged on the first branch drainage pipeline; the second branch drainage pipeline is connected to the first drainage pipeline and is provided with a water drain valve. The second drain pipeline is connected to the water supply pipeline. The advantage is that the hydroenergy that the water tank stored guarantees normal construction.
Description
Technical Field
The utility model belongs to the field of tunnel engineering, and particularly relates to a water supply system for TBM tunnel construction water and domestic water for constructors.
Background
The TBM tunnel is constructed by adopting one-hole double-machine tunneling, 2 TBMs are constructed in two stages, and the TBMs in the first stage are respectively reversely started from two ends of the T1 auxiliary chamber and are respectively tunneled to the P3 auxiliary chamber and the P4 auxiliary chamber in the upstream and downstream directions. And 2 TBM in the second stage respectively starts from the P3 auxiliary chamber and the P4 auxiliary chamber to finish tunneling the remaining hole sections.
In the first stage of construction, water is supplied from the T1 auxiliary cavern at two sides, and the construction conditions can be met because the distance is relatively close and the pressure is sufficient. After the construction of the first stage is completed, the phenomenon of insufficient water supply of construction and domestic water can be generated in the second stage under the condition that the water source of the main pipeline cannot or hardly reach the construction site. If the pipeline is paved again, time and funds are wasted, the pipeline needs to be dismantled again after construction is finished, and sometimes the pipeline is inconvenient to lay due to the geographical environment.
In order to facilitate the long tunnel distance and the sectional construction water, the water supply system is designed.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a TBM tunnel construction water supply system, which solves the problems that the tunnel distance is long, the construction is carried out in sections, the water source of a main pipeline in the second stage cannot or is difficult to reach a construction site after the construction in the first stage is finished, and the water supply of construction and domestic water is insufficient.
The above object is achieved in that:
the system comprises an upper tunnel part and a lower tunnel part, wherein the upper tunnel part comprises a water supply main pipeline, a high-level water tank and a stirring station water tank, a pipeline is connected between the high-level water tank and the stirring station water tank, and a first gate valve and a second gate valve are arranged on the pipeline;
the lower part of the tunnel comprises a water tank, a water supply main pipeline stretches into the tunnel and then is connected to a water supply pipeline, the water supply main pipeline is sequentially provided with a water supply main gate valve, a pressure reducing valve and a third gate valve from back to front, the water supply pipeline at the rear of the third gate valve is sequentially provided with a fourth gate valve, a pump and a fifth gate valve from back to front, the tunnel further comprises a first branch water supply pipeline, the front end of the first branch water supply pipeline is connected to the water supply pipeline at the front of the fifth gate valve, the rear end of the first branch water supply pipeline is connected to the water supply pipeline at the rear of the fourth gate valve, the pump and the fifth gate valve are sequentially arranged on the first branch water supply pipeline from back to front, and the gate valve and the pump on the first branch water supply pipeline serve as standby.
A water inlet pipeline of the water tank is connected to a water supply pipeline between the third gate valve and the fourth gate valve, the front end of the water inlet pipeline of the water tank is connected with a water inlet of the water tank, the rear ends of the first drainage pipeline and the second drainage pipeline are respectively connected to two water outlets of the water tank, a sixth gate valve, a centrifugal pump and a one-way check valve are sequentially arranged on the first drainage pipeline from back to front, and the front end of the first drainage pipeline is connected to a pipeline between the first gate valve and the second gate valve; the front end of the first branch drainage pipeline is connected to the first drainage pipeline in front of the one-way check valve, the rear end of the first branch drainage pipeline is connected to the first drainage pipeline behind the sixth gate valve, and the sixth gate valve, the centrifugal pump and the one-way check valve are sequentially arranged on the first branch drainage pipeline from rear to front; the sixth gate valve, centrifugal pump and one-way check valve on the first branch drain pipe are used as spare.
The hydraulic valve is characterized by further comprising a second branch drainage pipeline, wherein the front end of the second branch drainage pipeline is connected to the first drainage pipeline in front of the one-way check valve, the rear end of the second branch drainage pipeline is connected to the first drainage pipeline behind the sixth gate valve, and the drain valve is arranged on the second branch drainage pipeline.
The front end of the second drainage pipeline is connected to a water supply pipeline between the fourth gate valve and the water inlet pipeline of the water tank.
The utility model has the advantages that: if the main pipeline water source cannot or is difficult to reach the construction site and the main pipeline is damaged or maintained, the water stored in the water tank can ensure normal construction for a long time; the time and the funds consumed by re-laying and dismantling the pipeline are saved; the pipeline is prevented from expanding due to high pressure, and the water tank can play a role in pressure relief; the water supply pipeline and the standby drainage pipeline are both provided with standby valves and pumps, one set of valves is normally open, the other set of valves is normally closed, the other set of valves is used for preventing damage, the water draining valve can play a role in preventing freezing of the water inlet pipeline on a hole in winter, and the valves are in a normally closed state except for water draining.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Detailed Description
The utility model is further described with reference to fig. 1;
the system comprises an upper tunnel part and a lower tunnel part, wherein the upper tunnel part comprises a water supply main pipeline 18, a high-level water tank 16 and a stirring station water tank 15, a pipeline 19 is connected between the high-level water tank and the stirring station water tank, and a first gate valve 13 and a second gate valve 14 are arranged on the pipeline;
the lower part of the tunnel comprises a water tank 9, a water supply main pipeline stretches into the tunnel and then is connected to a water supply pipeline 3, a water supply main gate valve 1, a pressure reducing valve 2 and a third gate valve 4 are sequentially arranged on the water supply pipeline from back to front, a fourth gate valve 5, a pump 6 and a fifth gate valve 7 are sequentially arranged on the water supply pipeline 3 behind the third gate valve from back to front, the tunnel further comprises a first branch water supply pipeline 20, the front end of the first branch water supply pipeline is connected to the water supply pipeline in front of the fifth gate valve 7, the rear end of the first branch water supply pipeline is connected to the water supply pipeline behind the fourth gate valve 5, and a fourth gate valve, a pump and a fifth gate valve are sequentially arranged on the first branch water supply pipeline from back to front, and the gate valve and the pump on the first branch water supply pipeline serve as standby.
A water inlet pipeline 8 of a water tank is connected to a water supply pipeline 3 between the third gate valve 4 and the fourth gate valve 5, the front end of the water inlet pipeline of the water tank is connected with a water inlet of the water tank 9, the rear ends of a first drainage pipeline 21 and a second drainage pipeline 22 are respectively connected to two water outlets of the water tank, a sixth gate valve 10, a centrifugal pump 11 and a one-way check valve 12 are sequentially arranged on the first drainage pipeline 21 from back to front, and the front end of the first drainage pipeline is connected to a pipeline 19 between the first gate valve 13 and the second gate valve 14; the device also comprises a first branch drainage pipeline 23, wherein the front end of the first branch drainage pipeline is connected to the first drainage pipeline 21 in front of the one-way check valve 12, the rear end of the first branch drainage pipeline is connected to the first drainage pipeline 21 behind the sixth gate valve 10, and the sixth gate valve, the centrifugal pump and the one-way check valve are sequentially arranged on the first branch drainage pipeline from back to front; the gate valve, the centrifugal pump and the one-way check valve on the first branch drain pipe are used for standby.
And a second branch drainage pipeline 24, the front end of which is connected to the first drainage pipeline in front of the one-way check valve 12, the rear end of which is connected to the first drainage pipeline behind the sixth gate valve 10, and the second branch drainage pipeline is provided with a drain valve 17.
The front end of the second drain line 22 is connected to the water supply line 3 between the fourth gate valve 5 and the tank water inlet line 8.
The water enters the water tank 9 from the water supply main pipeline through the water supply pipeline for storage, if the stirring station water tank 15 needs water above the tunnel, the second gate valve 14 is closed, the first gate valve 13 is fully opened, and the centrifugal pump 11 is started to enable the water to reach the stirring station water tank; if the high-level water pool 16 needs water above the tunnel, the first gate valve 13 is closed, the second gate valve 14 is fully opened, and the centrifugal pump 11 is started to enable the water to reach the high-level water pool; if the mixing station water tank 15 and the high-level water tank 16 simultaneously need water above the tunnel, the second gate valve 14 and the first gate valve 13 are fully opened, the centrifugal pump 11 is started, and the mixing station water tank and the high-level water tank are respectively reached. If the water supply in winter construction is finished, the water drain valve 17 needs to be opened manually, and the water drain valve is closed after water is drained, so that the pipeline above the tunnel is prevented from being frozen.
If the TBM needs water, the fourth gate valve 5 and the fifth gate valve 7 on the water supply pipeline are opened, the pump 6 is started, and the water reaches the TBM through the water supply pipeline.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. A TBM tunnel construction water supply system is characterized in that: the high-level water tank and the stirring station water tank are connected through a pipeline (19), and a first gate valve (13) and a second gate valve (14) are arranged on the pipeline;
the lower part of the tunnel comprises a water tank (9), a water supply main pipeline stretches into the lower part of the tunnel and is connected to the water supply pipeline (3), the water supply main pipeline is sequentially provided with a water supply main gate valve (1), a pressure reducing valve (2) and a third gate valve (4) from back to front, the water supply pipeline (3) behind the third gate valve is sequentially provided with a fourth gate valve (5), a pump (6) and a fifth gate valve (7) from back to front, the tunnel further comprises a first branch water supply pipeline (20), the front end of the first branch water supply pipeline is connected to the water supply pipeline in front of the fifth gate valve (7), the rear end of the first branch water supply pipeline is connected to the water supply pipeline behind the fourth gate valve (5), and the first branch water supply pipeline is sequentially provided with the fourth gate valve, the pump and the fifth gate valve from back to front;
a water inlet pipeline (8) of a water tank is connected to a water supply pipeline (3) between the third gate valve (4) and the fourth gate valve (5), the front end of the water inlet pipeline of the water tank is connected with a water inlet of the water tank (9), the rear ends of a first drainage pipeline (21) and a second drainage pipeline (22) are respectively connected to two water outlets of the water tank, a sixth gate valve (10), a centrifugal pump (11) and a one-way check valve (12) are sequentially arranged on the first drainage pipeline (21) from back to front, and the front end of the first drainage pipeline is connected to a pipeline (19) between the first gate valve (13) and the second gate valve (14); the device also comprises a first branch drainage pipeline (23), wherein the front end of the first branch drainage pipeline is connected to a first drainage pipeline (21) in front of the one-way check valve (12), the rear end of the first branch drainage pipeline is connected to the first drainage pipeline (21) behind the sixth gate valve (10), and the sixth gate valve, the centrifugal pump and the one-way check valve are sequentially arranged on the first branch drainage pipeline from back to front;
the device also comprises a second branch drainage pipeline (24), wherein the front end of the second branch drainage pipeline is connected to the first drainage pipeline in front of the one-way check valve (12), the rear end of the second branch drainage pipeline is connected to the first drainage pipeline behind the sixth gate valve (10), and a water drain valve (17) is arranged on the second branch drainage pipeline;
the front end of the second drainage pipeline (22) is connected to the water supply pipeline (3) between the fourth gate valve (5) and the water inlet pipeline (8) of the water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321421949.XU CN220486608U (en) | 2023-06-06 | 2023-06-06 | TBM tunnel construction water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321421949.XU CN220486608U (en) | 2023-06-06 | 2023-06-06 | TBM tunnel construction water supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220486608U true CN220486608U (en) | 2024-02-13 |
Family
ID=89831982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321421949.XU Active CN220486608U (en) | 2023-06-06 | 2023-06-06 | TBM tunnel construction water supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220486608U (en) |
-
2023
- 2023-06-06 CN CN202321421949.XU patent/CN220486608U/en active Active
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