CN108547662B - A kind of tunnel drainage system and method - Google Patents
A kind of tunnel drainage system and method Download PDFInfo
- Publication number
- CN108547662B CN108547662B CN201810333403.6A CN201810333403A CN108547662B CN 108547662 B CN108547662 B CN 108547662B CN 201810333403 A CN201810333403 A CN 201810333403A CN 108547662 B CN108547662 B CN 108547662B
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- Prior art keywords
- gas
- valve
- pipe
- water
- gas cylinder
- Prior art date
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- 238000000034 method Methods 0.000 title claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 93
- 238000005553 drilling Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 22
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 18
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 8
- 239000013589 supplement Substances 0.000 claims description 5
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 238000005303 weighing Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 5
- 239000011435 rock Substances 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 230000003628 erosive effect Effects 0.000 abstract description 2
- 230000001687 destabilization Effects 0.000 abstract 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 235000015165 citric acid Nutrition 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012279 drainage procedure Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Jet Pumps And Other Pumps (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The water leakage defect in tunnel is exactly the problem of the operation of puzzlement tunnel and maintenance, the long-term percolating water in tunnel can generate erosion damage to tunnel-liner, percolating water can also generate emollescence to tunnel surrounding, reduce the intensity of country rock, wall rock destabilization is caused to destroy, the present invention provides a kind of tunnel drainage system, the system includes drilling, gutter, gas compressed water generation apparatus etc., being filled with water tank by high pressure gas inversely presses water to start siphon, solve the problems, such as the accumulation of siphon pipe air and silt silting, not by other electrical equipments, it is simple and reliable, material simply easily obtains, it is not interfered by other external conditions, it is applied widely, field massif tunnel suitable for remote districts.
Description
Technical field
The invention belongs to Tunnel Engineering fields, and in particular to a kind of tunnel drainage system and method, especially suitable for massif
The draining of tunnel surrounding.
Background technique
The water leakage defect in tunnel is exactly the problem of the operation of puzzlement tunnel and maintenance.The long-term percolating water in tunnel can be to tunnel
Road lining cutting generates erosion damage, and percolating water can also generate emollescence to tunnel surrounding, reduce the intensity of country rock, cause country rock
Unstable failure.Tunnel Water Leakage, which drops onto road surface, will cause surface gathered water or icing, influence traffic circulation.Current drainage measure
Larger to the destruction of lining cutting globality, draining range is smaller, long-term ineffective, the higher cost for maintenance.
Siphon technology has universal application in hydraulic engineering field, such as slope drainage, tunnel drainage, mudstone flowing water stone point
From, soft soil foundation draining etc., tunnel siphon drainage technology, with drainage hole arrangement is convenient, water-collecting capacity is strong, cuts drainage effect
Well, the advantages that engineering construction speed is fast, however in the engineering using tunnel siphon drainage method, it needs to keep at the top of siphon pipe
Certain vacuum degree, but can be precipitated under the bubble negative pressure being dissolved in water, due to outside air penetrates into siphon pipe etc., portion
Siphon pipe is divided usually to cause vacuum degree to decline because air is accumulated in pipe, part siphon pipe can be temporarily in the shape that stops working
State, if siphon pipe is in for a long time and arrheas state, will lead to that siphon drainage is difficult in maintenance in addition entire siphon drainge system in
Disconnected, siphon starting becomes abnormal difficult.In addition, tunnel siphon drainage technology generally uses diameter 4mm siphon pipe below, siphon
Pipe caliber is smaller, is easy to appear silt silting situation, equally will cause siphon interruption, is difficult to restart after interruption.
Summary of the invention
The present invention technological deficiency difficult in maintenance for existing tunnel siphon drainge system, provides a kind of tunnel drainage system
And method, siphon starting can be repeated in tunnel siphon drainge system use process, solve in drainage procedure because of siphon pipe
Interior air accumulates and needs the problem of safeguarding and restarting siphon, also solves the problems, such as silt silting in siphon pipe.
The technical scheme is that a kind of tunnel drainage system, which includes drilling, siphon pipe, gutter, gas pressure
Water installations, the position setting drilling for needing to drain in tunnel surrounding, the water inlet of siphon pipe are placed in drilling, and siphon pipe goes out
The mouth of a river is placed in closed water tank, and the elevation of tank top is lower than the elevation of foot of hole, and water tank is made of clear material, gas
Compressed water generation apparatus is located on the roadbed side slope outside tunnel, and gas compressed water generation apparatus includes water tank, exhaust pipe, valve A, drainpipe, valve
B, gas cylinder A, gas cylinder B, diversion pipe, branch pipe, pressure gauge, gas-guide tube, valve C, water tank are arranged on roadbed side slope, exhaust pipe installation
At the top of water tank, valve A is mounted on exhaust pipe, and the arrival end of drainpipe is connected to the bottom of water tank, and valve B is mounted on row
The exit of water pipe, gas cylinder A fill sodium carbonate liquor, and gas cylinder B fills acetum, passes through diversion pipe between gas cylinder A and gas cylinder B
Connection, the both ends of diversion pipe are all located at liquid level hereinafter, being equipped with pressure gauge among diversion pipe, and the arrival end of gas-guide tube is placed in gas cylinder A
Within, more than liquid level, the outlet end of gas-guide tube is connect the arrival end of gas-guide tube with water tank, and valve C is mounted on gas-guide tube, branch
Pipe is connected on diversion pipe, and the air inlet of branch pipe is located at the liquid level of gas cylinder A or more.
Further, the diameter of the siphon pipe is 4mm.
Further, the quantity that siphon pipe is placed in the water tank is 50-100 root.
Further, the diameter of the exhaust pipe is 10mm, and the diameter of the gas-guide tube is 10mm.
A kind of tunnel drainage method, this method comprises:
(1) when tunnel drainage system normal use, valve A is opened, closes valve C；
(2) when half and more siphon pipe stops flowing, valve B is closed, increase cistern water level, gas in water tank
It is discharged by exhaust pipe；
(3) when water tank collection full water, valve A is closed, squeezes gas cylinder B, acetum is made to flow into gas cylinder A by diversion pipe,
Acetic acid is reacted with sodium carbonate generates carbon dioxide gas, and gas enters gas cylinder B by branch pipe, makes the air pressure in gas cylinder A and gas cylinder B
Reach balance；
(4) when pressure gauge is shown as 250kpa, open valve C, gas is filled with water tank, make the water in water tank it is inverse be pressed into
Siphon pipe, by siphon pipe silt and air be discharged；
(5) when cistern water level drops to the position of siphon pipe water outlet, valve C is closed, opens valve B, opens valve
A supplements sodium carbonate into gas cylinder A, supplements acetic acid into gas cylinder B.
Beneficial effects of the present invention are mainly manifested in:
1, the present invention, which by high pressure gas is filled with water tank and inversely presses water, starts siphon, solves the accumulation of siphon pipe air and mud
It is the problem of husky silting, simple and reliable not by other electrical equipments.
2, material of the present invention simply easily obtains, and is not interfered by other external conditions, applied widely, is suitable for remote districts
Field massif tunnel.
3, the present invention generates gas using chemical reaction, can be used for multiple times, operating method is simple, can also start simultaneously
More siphon pipes, rapidly and efficiently start siphon.
4, the design of gas generating system of the invention ensure that gas continuously flows into water tank, gas cylinder A and gas cylinder B
Interior air pressure remains dynamic equilibrium, keeps whole device reliable and stable.
Detailed description of the invention
Fig. 1 is the overall structure diagram of tunnel drainage system of the invention；
Fig. 2 is the tunnel cross section schematic diagram of tunnel drainage system of the invention；
Fig. 3 is the structural schematic diagram of the gas compressed water generation apparatus of tunnel drainage system of the invention；
In figure: drilling 1, siphon pipe 2, gutter 4, tunnel 5, massif 6, roadbed side slope 7, gas compressed water generation apparatus 3, water tank 31,
Exhaust pipe 32, valve A 33, drainpipe 34, valve B 35, gas cylinder A 81, gas cylinder B 82, diversion pipe 83, pressure gauge 84, air guide
Pipe 85, valve C 86, branch pipe 87.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate this hair
It is bright rather than limit the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, art technology
Personnel can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Fixed range.
Embodiment 1
As shown in Figure 1 and Figure 2, the present embodiment provides a kind of tunnel drainage system, which includes 1, siphon pipe 2, side of drilling
Ditch 4, gas compressed water generation apparatus 3, the position setting drilling 1 for needing to drain in tunnel surrounding, the water inlet of siphon pipe 2 is placed in drilling
In 1, the water outlet of siphon pipe 2 is placed in closed water tank 31, the elevation of the elevation lower than 1 bottom of drilling at 31 top of water tank, water
Case 31 is made of clear material, and gas compressed water generation apparatus 3 is located on the roadbed side slope 7 outside tunnel, and gas compressed water generation apparatus 3 includes water tank
31, exhaust pipe 32, valve A33, drainpipe 34, valve B35, gas cylinder A81, gas cylinder B82, diversion pipe 83, branch pipe 87, pressure gauge
84, gas-guide tube 85, valve C86, water tank 31 are arranged on roadbed side slope 7, and exhaust pipe 32 is mounted on the top of water tank 31, valve
A33 is mounted on exhaust pipe 32, and the arrival end of drainpipe 34 is connected to the bottom of water tank 31, and valve B35 is mounted on drainpipe 34
Exit, gas cylinder A81 fills sodium carbonate liquor, and gas cylinder B82 fills acetum, by leading between gas cylinder A81 and gas cylinder B82
Flow tube 83 connects, and the both ends of diversion pipe 83 are all located at liquid level hereinafter, being equipped with pressure gauge 84 among diversion pipe 83, and gas-guide tube 85 enters
Mouth end is placed within gas cylinder A81, and more than liquid level, the outlet end of gas-guide tube 85 is connect the arrival end of gas-guide tube 85 with water tank 31,
Valve C86 is mounted on gas-guide tube 85, and branch pipe 87 is connected on diversion pipe 83, and the air inlet of branch pipe 87 is located at the liquid of gas cylinder A81
It is more than face.The diameter of the siphon pipe 2 is 4mm.The quantity that siphon pipe 2 is placed in water tank is 50.The exhaust pipe 32
Diameter be 10mm, the diameter of the gas-guide tube 85 is 10mm.The volume of water tank 31 is set as 50 liters, and every siphon pipe 2 is long
Degree is 50m, and 50 siphon pipes 2 need 32 liters of water full of water, and the sodium carbonate liquor of gas cylinder A81 is 500 grams of sodium carbonate and 2 liters of water,
The citric acid solution of gas cylinder B82 is 500 grams of citric acids and 1 kilogram of water, according to chemical reaction equation: 2C6H8O7+3Na2CO3=
2C6H5O7Na3+3CO2+3H2After O, sodium carbonate and citric acid react completely, under room temperature, normal pressure, it can produce 35 liters of carbon dioxide.
A kind of tunnel drainage method, this method comprises:
(1) when tunnel drainage system normal use, valve A33 is opened, closes valve C86, opens valve B35；
(2) when half and more siphon pipe 2 stops flowing, valve B35 is closed, increase 31 water level of water tank, water tank
Gas is discharged by exhaust pipe 32 in 31；
(3) when water tank collection full water, valve A33 is closed, squeezes gas cylinder B82, flows into acetum by diversion pipe 83
Gas cylinder A81, acetic acid is reacted with sodium carbonate generates carbon dioxide gas, and gas enters gas cylinder B82 by branch pipe 87, makes gas cylinder A81
Reach balance with the air pressure in gas cylinder B82；
(4) when pressure gauge 84 is shown as 250kpa, valve C86 is opened, gas is filled with water tank 31, makes the water in water tank 31
It is inverse to be pressed into siphon pipe 2, by siphon pipe 2 silt and air be discharged, after gas flows out gas cylinder A 81,81 pressure of gas cylinder A subtracts
Small, acetum is pressed into gas cylinder A 81 by diversion pipe 83, and continuing to react generates gas；
(5) when 31 water level decreasing of water tank is to the position of 2 water outlet of siphon pipe, valve C86 is closed, valve B35 is opened, beats
Valve opening door A33, supplements sodium carbonate into gas cylinder A81, supplements acetic acid into gas cylinder B82.
Claims (2)
1. a kind of tunnel drainage system, which is characterized in that the system includes drilling, siphon pipe, gutter, gas compressed water generation apparatus, In
The position setting drilling for needing to drain in tunnel surrounding, the water inlet of siphon pipe are placed in drilling, and the water outlet of siphon pipe is placed in
In closed water tank, the elevation of tank top is lower than the elevation of foot of hole, and water tank is made of clear material, gas compressed water generation apparatus
On the roadbed side slope outside tunnel, gas compressed water generation apparatus include water tank, exhaust pipe, valve A, drainpipe, valve B, gas cylinder A,
Gas cylinder B, diversion pipe, branch pipe, pressure gauge, gas-guide tube, valve C, water tank are arranged on roadbed side slope, and exhaust pipe is mounted on water tank
Top, valve A are mounted on exhaust pipe, and the arrival end of drainpipe is connected to the bottom of water tank, and valve B is mounted on going out for drainpipe
At mouthful, gas cylinder A fills sodium carbonate liquor, and gas cylinder B fills acetum, is connected, is led by diversion pipe between gas cylinder A and gas cylinder B
The both ends of flow tube are all located at liquid level hereinafter, being equipped with pressure gauge among diversion pipe, and the arrival end of gas-guide tube is placed within gas cylinder A, leads
More than liquid level, the outlet end of gas-guide tube is connect the arrival end of tracheae with water tank, and valve C is mounted on gas-guide tube, branch pipe connection
On diversion pipe, the air inlet of branch pipe is located at the liquid level of gas cylinder A or more, and the diameter of the siphon pipe is 4mm, the water tank
The quantity of middle merging siphon pipe is 50-100 root, and the diameter of the exhaust pipe is 10mm, and the diameter of the gas-guide tube is
10mm。
2. a kind of method of the tunnel drainage using system described in claim 1, which is characterized in that this method comprises:
When tunnel drainage system normal use, valve A is opened, closes valve C；
When half and more siphon pipe stops flowing, valve B is closed, increase cistern water level, gas is by being vented in water tank
Pipe discharge；
When water tank collection full water, valve A is closed, squeezes gas cylinder B, acetum is made to flow into gas cylinder A, acetic acid and carbon by diversion pipe
Sour sodium reaction generates carbon dioxide gas, and gas enters gas cylinder B by branch pipe, the air pressure in gas cylinder A and gas cylinder B is made to reach flat
Weighing apparatus；
When pressure gauge is shown as 250kpa, valve C is opened, gas is filled with water tank, and make the water in water tank is inverse to be pressed into siphon pipe,
By in siphon pipe silt and air discharge；
When cistern water level drops to the position of siphon pipe water outlet, valve C is closed, opens valve B, valve A is opened, to gas cylinder
Sodium carbonate is supplemented in A, supplements acetic acid into gas cylinder B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333403.6A CN108547662B (en) | 2018-04-13 | 2018-04-13 | A kind of tunnel drainage system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333403.6A CN108547662B (en) | 2018-04-13 | 2018-04-13 | A kind of tunnel drainage system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108547662A CN108547662A (en) | 2018-09-18 |
| CN108547662B true CN108547662B (en) | 2019-11-08 |
Family
ID=63514747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810333403.6A Expired - Fee Related CN108547662B (en) | 2018-04-13 | 2018-04-13 | A kind of tunnel drainage system and method |
Country Status (1)
| Country | Link |
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| CN (1) | CN108547662B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847961A (en) * | 2019-11-23 | 2020-02-28 | 范雲鹤 | Tunnel drainage system |
| CN110671149B (en) * | 2019-11-23 | 2021-10-29 | 范雲鹤 | Drainage system of karst tunnel |
| CN110792474B (en) * | 2019-11-23 | 2021-12-14 | 嘉兴金喜莱科技有限公司 | Long tunnel drainage system |
| CN110685746A (en) * | 2019-11-23 | 2020-01-14 | 范雲鹤 | Automatic tunnel drainage system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4717284A (en) * | 1986-01-20 | 1988-01-05 | Hydrogeo S.A. | Device for draining soils in depth |
| US5035535A (en) * | 1989-06-02 | 1991-07-30 | Gress S.A. | Device for regulating the flow in a drainage siphon tube |
| EP0678632A1 (en) * | 1994-04-21 | 1995-10-25 | Groupe Ress | Controlling device for a drain-syphon |
| CN201068566Y (en) * | 2007-07-30 | 2008-06-04 | 刘华 | Siphon type flow-guiding water-fetching device |
| CN102251529A (en) * | 2011-06-02 | 2011-11-23 | 浙江大学 | Self-balancing siphon drainage method by using side slope declining drill hole |
| CN107237650A (en) * | 2017-06-30 | 2017-10-10 | 浙江大学 | A kind of drilling siphon drainage system and method for being used to handle the infiltration of Tunnel wall |
-
2018
- 2018-04-13 CN CN201810333403.6A patent/CN108547662B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4717284A (en) * | 1986-01-20 | 1988-01-05 | Hydrogeo S.A. | Device for draining soils in depth |
| US5035535A (en) * | 1989-06-02 | 1991-07-30 | Gress S.A. | Device for regulating the flow in a drainage siphon tube |
| EP0678632A1 (en) * | 1994-04-21 | 1995-10-25 | Groupe Ress | Controlling device for a drain-syphon |
| CN201068566Y (en) * | 2007-07-30 | 2008-06-04 | 刘华 | Siphon type flow-guiding water-fetching device |
| CN102251529A (en) * | 2011-06-02 | 2011-11-23 | 浙江大学 | Self-balancing siphon drainage method by using side slope declining drill hole |
| CN107237650A (en) * | 2017-06-30 | 2017-10-10 | 浙江大学 | A kind of drilling siphon drainage system and method for being used to handle the infiltration of Tunnel wall |
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| CN108547662A (en) | 2018-09-18 |
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