CN108547661B - A kind of tunnel drainage system and method for reverse pressure water renewable type - Google Patents
A kind of tunnel drainage system and method for reverse pressure water renewable type Download PDFInfo
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- CN108547661B CN108547661B CN201810333381.3A CN201810333381A CN108547661B CN 108547661 B CN108547661 B CN 108547661B CN 201810333381 A CN201810333381 A CN 201810333381A CN 108547661 B CN108547661 B CN 108547661B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 238000000034 method Methods 0.000 title claims description 14
- 238000005553 drilling Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 40
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 24
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 12
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 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
- 235000005979 Citrus limon Nutrition 0.000 claims description 3
- 244000248349 Citrus limon Species 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 244000131522 Citrus pyriformis Species 0.000 claims 1
- 239000012780 transparent material Substances 0.000 claims 1
- 238000009825 accumulation Methods 0.000 abstract description 2
- 235000015165 citric acid Nutrition 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 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
- 230000007547 defect 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
- 230000003628 erosive effect 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
- 239000011734 sodium Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- -1 valve A is closed 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
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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)
- Jet Pumps And Other Pumps (AREA)
Abstract
The present invention provides a kind of tunnel drainage system of reverse pressure water renewable type, the system includes drilling, gutter, reverse compressed water generation apparatus etc., the position setting drilling for needing to drain in tunnel surrounding, the elevation of tank top is lower than the elevation of foot of hole, water tank is made of clear material, reverse compressed water generation apparatus is located on the roadbed side slope outside tunnel, reverse compressed water generation apparatus includes water tank, exhaust pipe, valve A, drainpipe, valve B, gas cylinder A, gas cylinder B, diversion pipe, bifurcated pipe, pressure gauge, gas-guide tube, valve C, check valve etc., the present invention is filled with water tank by high pressure gas and water is inversely pressed 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 mountain suitable for remote districts Body tunnel.
Description
Technical field
The invention belongs to Tunnel Engineering fields, and in particular to the tunnel drainage system of the reverse pressure water renewable type of one kind and side
Method, the draining especially suitable for massif 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, providing the reverse pressure water of one kind can be extensive
Siphon starting can be repeated in tunnel siphon drainge system use process, solve for compound tunnel drainage system and method
The problem of safeguarding and restarting siphon is needed because siphon inner air tube accumulates in drainage procedure, silt in siphon pipe is also solved and becomes silted up
Stifled problem.
The technical scheme is that a kind of reverse tunnel drainage system of pressure water renewable type, the system include drilling,
Siphon pipe, gutter, reverse compressed water generation apparatus, the position setting drilling for needing to drain in tunnel surrounding, the water inlet of siphon pipe are set
In in drilling, the water outlet of siphon pipe is placed in closed water tank, and the elevation of tank top is lower than the elevation of foot of hole, water tank
It is made of clear material, reverse compressed water generation apparatus is located on the roadbed side slope outside tunnel, and reverse compressed water generation apparatus includes water tank, exhaust
Pipe, valve A, drainpipe, valve B, gas cylinder A, gas cylinder B, diversion pipe, bifurcated pipe, pressure gauge, gas-guide tube, valve C, check valve, water tank
It is arranged on roadbed slope, exhaust pipe is mounted on the top of water tank, and valve A is mounted on exhaust pipe, and the arrival end of drainpipe connects
It connects in the bottom of water tank, valve B is mounted on the exit of drainpipe, and gas cylinder A fills sodium bicarbonate solution, and gas cylinder B fills lemon
Acid solution is connected between gas cylinder A and gas cylinder B by diversion pipe, and the both ends of diversion pipe are all located at liquid level hereinafter, setting among diversion pipe
There is pressure gauge, the arrival end of gas-guide tube is placed within gas cylinder A, and the arrival end of gas-guide tube is more than liquid level, the outlet end of gas-guide tube
It is connect with water tank, valve C is mounted on gas-guide tube, and one end of bifurcated pipe is connect with gas-guide tube, and the other end of bifurcated pipe extend into gas cylinder B
Liquid level hereinafter, check valve is mounted on bifurcated pipe, the flow direction of check valve is from top to bottom.
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 of reverse pressure water renewable type, this method comprises:
(1) inversely the tunnel drainage system of pressure water renewable type when first used, closes valve A, closes valve C, opens
Valve B inversely pours water from valve B to drainpipe, and after the gas in siphon pipe is discharged, stopping inversely being poured water, and opens valve A；
(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, gas cylinder B is squeezed, citric acid solution is made to flow into gas cylinder by diversion pipe
A, citric acid and reaction of sodium bicarbonate generate carbon dioxide gas, and gas enters gas cylinder B by bifurcated pipe, makes in gas cylinder A and gas cylinder B
Air pressure reach balance；
(4) when pressure gauge is shown as particular value, 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 bicarbonate into gas cylinder A, supplements citric acid into gas cylinder B.
The particular value that above-mentioned pressure gauge is shown is 200kpa-250kpa.
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 the tunnel drainage system of the reverse pressure water renewable type of one kind of the invention；
Fig. 2 is the tunnel cross section schematic diagram of the tunnel drainage system of the reverse pressure water renewable type of one kind of the invention；
Fig. 3 is that the structure of the reverse compressed water generation apparatus of the tunnel drainage system of the reverse pressure water renewable type of one kind of the invention is shown
It is intended to；
In figure: drilling 1, siphon pipe 2, gutter 4, tunnel 5, massif 6, roadbed side slope 7, reverse 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, bifurcated pipe 87, check valve 88.
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 of reverse pressure water renewable type, the system packets
Drilling 1, siphon pipe 2, gutter 4, reverse compressed water generation apparatus 3 are included, the position setting drilling 1 for needing to drain in tunnel surrounding, siphon
The water inlet of pipe 2 is placed in drilling 1, and the water outlet of siphon pipe 2 is placed in closed water tank 31, and the elevation at 31 top of water tank is lower than
Drill the elevation of 1 bottom, and water tank 31 is made of clear material, and reverse compressed water generation apparatus 3 is located on the roadbed side slope 7 outside tunnel, inverse
It include water tank 31, exhaust pipe 32, valve A33, drainpipe 34, valve B35, gas cylinder A81, gas cylinder B82, water conservancy diversion to compressed water generation apparatus 3
Pipe 83, bifurcated pipe 87, pressure gauge 84, gas-guide tube 85, valve C86, check valve 88, water tank 31 are arranged on roadbed slope 7, exhaust pipe
32 are mounted on the top of water tank 31, and valve A33 is mounted on exhaust pipe 32, and the arrival end of drainpipe 34 is connected to the bottom of water tank 31
Portion, valve B35 are mounted on the exit of drainpipe 34, and gas cylinder A81 fills sodium bicarbonate solution, and it is molten that gas cylinder B82 fills citric acid
Liquid is connected between gas cylinder A81 and gas cylinder B82 by diversion pipe 83, and the both ends of diversion pipe 83 are all located at liquid level hereinafter, diversion pipe 83
Centre is equipped with pressure gauge 84, and the arrival end of gas-guide tube 32 is placed within gas cylinder A81, the arrival end of gas-guide tube 32 more than liquid level,
The outlet end of gas-guide tube 32 is connect with water tank 31, and valve C86 is mounted on gas-guide tube 32, and one end of bifurcated pipe 87 and gas-guide tube 32 connect
It connects, the other end of bifurcated pipe 87 extend into the liquid level of gas cylinder B82 hereinafter, check valve 88 is mounted on bifurcated pipe 87, the stream of check valve 88
To for from top to bottom.The diameter of the siphon pipe 2 is 4mm.The quantity that siphon pipe 2 is placed in the water tank 31 is 50.
The diameter of the exhaust pipe 32 is 10mm, and the diameter of the gas-guide tube 85 is 10mm.The volume of water tank 31 is set as 50 liters,
Every 2 length of siphon pipe is 50m, and 50 siphon pipes 2 need 32 liters of water full of water, and the sodium bicarbonate solution of gas cylinder A 81 is 500
The citric acid solution of gram sodium bicarbonate and 2 liters of water, gas cylinder B 82 is 500 grams of citric acids and 1 kilogram of water, according to chemical reaction side
Journey；3NaHCO3+C6H8O7=C6H5O7Na3+3CO2+3H2After O, sodium bicarbonate and citric acid react completely, it is in room temperature, pressure
Under 250kpa, it can produce 53.2 liters of carbon dioxide.
A kind of tunnel drainage method of reverse pressure water renewable type, this method comprises:
(1) inversely the tunnel drainage system of pressure water renewable type when first used, closes valve A33, closes valve C86,
Valve B35 is opened, is inversely poured water from valve B35 to drainpipe 34, after the gas in siphon pipe is discharged, stopping inversely being poured water,
Open valve A33；
(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 A33 is closed, squeezes gas cylinder B82, flows citric acid solution by diversion pipe 83
Enter gas cylinder A81, citric acid and reaction of sodium bicarbonate generate carbon dioxide gas, and gas enters gas cylinder B82 by bifurcated pipe 87, makes gas
Air pressure in bottle A81 and gas cylinder B82 reaches balance；
(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, citric acid solution is pressed into gas cylinder A 81 by diversion pipe, 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 bicarbonate into gas cylinder A81, supplements citric acid into gas cylinder B82.
Claims (3)
1. a kind of tunnel drainage system of reverse pressure water renewable type, which is characterized in that the system includes drilling, siphon pipe, side
Ditch, reverse compressed water generation apparatus, the position setting drilling for needing to drain in tunnel surrounding, the water inlet of siphon pipe are placed in drilling,
The water outlet of siphon pipe 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 by transparent material
Material is made, and reverse compressed water generation apparatus is located on the roadbed side slope outside tunnel, reverse compressed water generation apparatus include water tank, exhaust pipe, valve A,
Drainpipe, valve B, gas cylinder A, gas cylinder B, diversion pipe, bifurcated pipe, pressure gauge, gas-guide tube, valve C, check valve, water tank are arranged on road
In base slope surface, exhaust pipe is mounted on the top of water tank, and valve A is mounted on exhaust pipe, and the arrival end of drainpipe is connected to water tank
Bottom, valve B is mounted on the exit of drainpipe, and gas cylinder A fills sodium bicarbonate solution, and gas cylinder B fills citric acid solution, gas
It being connected between bottle A and gas cylinder B by diversion pipe, the both ends of diversion pipe are all located at liquid level hereinafter, equipped with pressure gauge among diversion pipe,
The arrival end of gas-guide tube is placed within gas cylinder A, and more than liquid level, the outlet end of gas-guide tube and water tank connect the arrival end of gas-guide tube
Connect, valve C is mounted on gas-guide tube, and one end of bifurcated pipe is connect with gas-guide tube, the other end of bifurcated pipe extend into the liquid level of gas cylinder B with
Under, check valve is mounted on bifurcated pipe, and the flow direction of check valve is from top to bottom.
2. a kind of method of the tunnel drainage system of the reverse pressure water renewable type of one kind applied to claim 1, feature exist
In, this method comprises:
(1) inversely the tunnel drainage system of pressure water renewable type when first used, closes valve A, closes valve C, opens valve
B inversely pours water from valve B to drainpipe, and after the gas in siphon pipe is discharged, stopping inversely being poured water, and opens valve A；
(2) when half and more siphon pipe stops flowing, valve B is closed, increase cistern water level, gas is by arranging in water tank
Tracheae discharge；
(3) when water tank collection full water, valve A is closed, squeezes gas cylinder B, citric acid solution is made to flow into gas cylinder A, lemon by diversion pipe
Lemon acid and reaction of sodium bicarbonate generate carbon dioxide gas, and gas enters gas cylinder B by bifurcated pipe, makes the gas in gas cylinder A and gas cylinder B
Pressure reaches balance；
(4) when pressure gauge shows particular value, valve C is opened, gas is filled with water tank, makes the water in water tank is inverse to 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, to
Sodium bicarbonate is supplemented in gas cylinder A, supplements citric acid into gas cylinder B.
3. method according to claim 2, which is characterized in that the particular value that the pressure gauge is shown is 200kpa-
250kpa。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333381.3A CN108547661B (en) | 2018-04-13 | 2018-04-13 | A kind of tunnel drainage system and method for reverse pressure water renewable type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333381.3A CN108547661B (en) | 2018-04-13 | 2018-04-13 | A kind of tunnel drainage system and method for reverse pressure water renewable type |
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| Publication Number | Publication Date |
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| CN108547661A CN108547661A (en) | 2018-09-18 |
| CN108547661B true CN108547661B (en) | 2019-11-08 |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2593203B1 (en) * | 1986-01-20 | 1988-07-15 | Hydro Geo | DEEP DRAINAGE BY SIPHONNAGE OF WATER CAPTURED BY DRAINS |
| FR2647829B1 (en) * | 1989-06-02 | 1993-09-24 | Hydrogeo Sa | DEVICE FOR FITTING THE EXIT END OF A DRAIN SIPHONING PIPE |
| FR2719085B1 (en) * | 1994-04-21 | 1996-05-31 | Ress Groupe | Device for regulating the operation of a drain-siphon. |
| 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 |
| CN107237650B (en) * | 2017-06-30 | 2020-02-11 | 浙江大学 | Drilling siphon negative pressure drainage system and method for treating water seepage of tunnel wall |
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2018
- 2018-04-13 CN CN201810333381.3A patent/CN108547661B/en active Active
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Effective date of registration: 20191016 Address after: 322104 No. 88, Ju Road, Hefeng village, six stone street, Dongyang, Jinhua, Zhejiang. Applicant after: Dongyang Juntai Construction Engineering Co.,Ltd. Address before: 610227 Shuangliu District, Sichuan University, Jiang'an campus, Sichuan University, Sichuan Applicant before: Fan Yunhe |
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Effective date of registration: 20221020 Address after: East Section of Zhongtianmen Street, High-tech Zone, Tai'an City, Shandong Province, 271000 Patentee after: Zhongtai Hengbang Engineering Technology Co.,Ltd. Address before: 322104 No.88 Ju Road, Hefeng village, Liushi street, Dongyang City, Jinhua City, Zhejiang Province Patentee before: Dongyang Juntai Construction Engineering Co.,Ltd. |