CN108517880A - Slope drainage system gas pressure startup device and method - Google Patents
Slope drainage system gas pressure startup device and method Download PDFInfo
- Publication number
- CN108517880A CN108517880A CN201810333943.4A CN201810333943A CN108517880A CN 108517880 A CN108517880 A CN 108517880A CN 201810333943 A CN201810333943 A CN 201810333943A CN 108517880 A CN108517880 A CN 108517880A
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- China
- Prior art keywords
- gas cylinder
- water tank
- pipe
- water
- siphon
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
Abstract
The present invention provides a kind of slope drainage system gas pressure startup device, the device includes siphon pipe, water tank, water tank exhaust pipe, water tank exhaust valve, drainpipe, drain tube valve, gas generating system, the gas generating system includes left gas cylinder, right gas cylinder, drainage tube, branch pipe, pressure gauge, gas cylinder exhaust pipe, gas cylinder exhaust valve, left gas cylinder fills sodium carbonate liquor, right gas cylinder fills citric acid solution, it is connected by drainage tube between left gas cylinder and right gas cylinder, the both ends of drainage tube are all located at liquid level or less, pressure gauge is equipped among drainage tube, branch pipe is connected on drainage tube, the air inlet of branch pipe is more than liquid level, the arrival end of gas cylinder exhaust pipe is placed within left gas cylinder, the arrival end of gas cylinder exhaust pipe is more than liquid level, the outlet end of gas cylinder exhaust pipe is connect with water tank, gas cylinder exhaust valve is mounted on gas cylinder exhaust pipe.Siphon startup can be carried out during drainage system use, solved the problems, such as the accumulation of siphon inner air tube and need to be restarted siphon.
Description
Technical field
The invention belongs to field of civil engineering, and in particular to a kind of slope drainage system gas pressure startup device and method are fitted
Repeated priming for side slope siphon drainge system.
Background technology
Siphon technology has universal application in field of civil engineering, such as slope drainage, the separation of mudstone flowing water stone, weak soil
Base draining etc., its essence of siphon are a kind of physical phenomenon that the active force using liquid level difference pushes liquid to flow, siphon jet
Dynamic process and flow velocity are automatically controlled by liquid level variation, these physical characteristics are very suitable for the needs of slopes draining, in side slope
It is widely applied in draining.The first use of siphon drainge system needs to carry out siphon startup, so that siphon pipe is full of water, in liquid
Gravity under, form subnormal ambient at the top of siphon pipe, can just make the water in siphon pipe upper hose under the action of pressure difference
Rise, forms siphon.Therefore, siphon start-up course is exactly to exclude original air in siphon pipe, makes to be full of water in pipe.Side slope rainbow
Discharging water lift is high, and siphon starts relative difficulty.Common siphon, which starts method, to be had：Water outlet draws water, water outlet inversely presses water etc..
Reach and be full of water in siphon pipe, most direct mode is to install pumping equipment in water outlet, starts siphon by drawing water, such as uses
The electrical equipments such as vacuum pump, high-pressure hand pump.In side slope siphon drainge system, the siphon pipe quantity in side slope is more, using list
The mode efficiency that siphon is respectively started in root is low, when one side slope siphon drainage engineering whole siphon pipe startup of completion needs a large amount of
Between.In addition, due to side slope siphon drainage process have discontinuity, flowing slowly etc. characteristics, can siphonic process and for a long time stop
Air is precipitated during fluid stopping is dynamic, and generates inner air tube accumulation.It is influenced, can be led by factors such as siphon pipe quality, construction technologies
Part siphon pipe is caused to interrupt siphon because generating inner air tube accumulation, these siphon pipes need to restart.Side rapidly and efficiently
Slope siphon method for restarting, to ensureing that the normal work of rainy season side slope siphon drainage is of great significance.China Patent Publication No.
CN106592525A proposes a kind of self set-up type side slope siphon drainge system, by vertical type dykes and dams, gas chamber, siphon pipe, exhaust
Pipe, blowdown pipe, check valve composition, start siphon using wave energy, are only applicable to the siphon of reservoir stability or seashore side slope
There is certain limitation, the siphon drainage of inland side slope to restart problem and still remain for draining.
Invention content
The present invention provides a kind of slope drainage system air pressure and opens for the low technological deficiency of existing side slope siphon starting efficiency
Dynamic device and method, can be repeated siphon during siphon drainge system use and rapidly and efficiently start, and solve siphon drainage
During use because inner air tube, which accumulate, to be needed periodically to restart siphon the problem of, increase starting efficiency.
The technical scheme is that：A kind of slope drainage system gas pressure startup device, the device include siphon pipe, water
Case, water tank exhaust pipe, water tank exhaust valve, drainpipe, draining tube valve, gas generating system, the gas system
System includes left gas cylinder, right gas cylinder, drainage tube, branch pipe, pressure gauge, gas cylinder exhaust pipe, gas cylinder exhaust valve, and left gas cylinder fills carbon
Acid sodium solution, right gas cylinder fill citric acid solution, are connected by drainage tube between left gas cylinder and right gas cylinder, and the both ends of drainage tube are all
Positioned at liquid level hereinafter, being equipped with pressure gauge among drainage tube, branch pipe is connected on drainage tube, the air inlet of branch pipe more than liquid level,
The arrival end of gas cylinder exhaust pipe is placed within left gas cylinder, and more than liquid level, gas cylinder exhaust pipe goes out the arrival end of gas cylinder exhaust pipe
Mouth end is connect with water tank, and gas cylinder exhaust valve is mounted on gas cylinder exhaust pipe；The water inlet of the siphon pipe is placed in side slope
In interior drilling, the vertical range of drilling orifice to foot of hole is more than the corresponding water-column of local atmospheric pressure, siphon pipe
Water outlet is placed in the water tank of sealing；The water tank is arranged in slope surface, and water tank is made of clear material, the height of tank top
Journey is less than the elevation of foot of hole, and water tank exhaust pipe is mounted on the top of water tank, and water tank exhaust valve is vented mounted on water tank
Guan Shang；The arrival end of the drainpipe is connected to the bottom of water tank, and the outlet of drainpipe is placed in the gutter of side slope lower part,
Drain the exit that tube valve is mounted on drainpipe.
Further, a diameter of 4mm of the siphon pipe.
Further, the quantity that siphon pipe is placed in the water tank is 50-100 roots.
Further, a diameter of 10mm of the gas cylinder exhaust pipe.
A kind of side slope siphon drainge system air pressure startup method, this method include：
（1）Slope drainage system gas pressure startup device when first used, closes water tank exhaust valve, closes gas cylinder blow off valve
Door opens draining tube valve, inversely pours water to drainpipe from draining tube valve, after the gas in siphon pipe is discharged, stops inverse
To pouring water, water tank exhaust valve is opened, underground water enters gutter followed by siphon pipe, water tank, drainpipe in slopes, remembers
Record the initial drain discharge of drainpipe；
（2）When the drain discharge of drainpipe drops to the 30%-50% of initial drain discharge, draining tube valve, Water in Water Tank are closed
Position rises, and gas is discharged by water tank exhaust pipe in water tank；
（3）When water tank collection full water, water tank exhaust valve is closed, right gas cylinder is squeezed, citric acid solution is made to pass through drainage tube stream
Enter left gas cylinder, citric acid is reacted with sodium carbonate generates carbon dioxide gas, and gas enters right gas cylinder by branch pipe, make left gas cylinder and
Air pressure in right gas cylinder reaches balance, when pressure gauge is shown as 200kpa, opens gas cylinder exhaust valve, gas enters water
Case, pressure increases in water tank, and water is made inversely to be pressed into siphon pipe, and the air in the siphon pipe that siphon is interrupted is discharged；
（4）When cistern water level drops to the position of siphon pipe water outlet, gas cylinder exhaust valve is closed, opens water tank exhaust pipe
Valve opens draining tube valve, records the draining initial flow of new drainpipe, supplement sodium carbonate in gas cylinder to the left, to the right gas
Citric acid is supplemented in bottle.
Beneficial effects of the present invention are mainly manifested in：
1, manual control valve of the present invention manufacture air pressure starts siphon, simple and reliable not by other electrical equipments.
2, the present invention is suitable for inland side slope, seashore side slope, reservoir stability etc., is not interfered by other external conditions, is applicable in
Range is wide.
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, left gas cylinder and right gas
Air pressure in bottle remains dynamic equilibrium, keeps whole device reliable and stable.
Description of the drawings
Fig. 1 is the overall structure diagram of the slope drainage system gas pressure startup device of the present invention；
Fig. 2 is the structural schematic diagram of the gas generating system of the slope drainage system gas pressure startup device of the present invention；
In figure：Drilling 1, siphon pipe 2, water tank 3, water tank exhaust pipe 4, water tank exhaust valve 41, drainpipe 5, draining tube valve
6, gutter 7, gas generating system 8, left gas cylinder 81, right gas cylinder 82, drainage tube 83, pressure gauge 84, gas cylinder exhaust pipe 85, gas cylinder
Exhaust valve 86, branch pipe 87, side slope 9, phreatic line 10.
Specific implementation mode
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 slope drainage system gas pressure startup device, the device include siphon pipe 2,
Water tank 3, water tank exhaust pipe 4, water tank exhaust valve 41, drainpipe 5, draining tube valve 6, gas generating system 8, the gas
Body generating system includes left gas cylinder 81, right gas cylinder 82, drainage tube 83, branch pipe 87, pressure gauge 84, gas cylinder exhaust pipe 85, gas cylinder row
Tracheae valve 86, left gas cylinder 81 fill sodium carbonate liquor, and right gas cylinder 82 fills citric acid solution, left gas cylinder 81 and right gas cylinder 82 it
Between connected by drainage tube 83, the both ends of drainage tube 83 are all located at liquid level hereinafter, being equipped with pressure gauge 84, branch pipe among drainage tube 83
87 are connected on drainage tube 83, the air inlet of branch pipe 87 more than liquid level, the arrival end of gas cylinder exhaust pipe 85 be placed in left gas cylinder it
Interior, the arrival end of gas cylinder exhaust pipe 85 is more than liquid level, and the outlet end of gas cylinder exhaust pipe 85 is connect with water tank 3, gas cylinder exhaust pipe
Valve 86 is mounted on gas cylinder exhaust pipe 85；The water inlet of the siphon pipe 2 is placed in the drilling 1 in side slope 9, and drill 1 hole
The vertical range of mouth to 1 bottom of drilling is more than the corresponding water-column of local atmospheric pressure, and the water outlet of siphon pipe 2 is placed in sealing
In water tank 3；The water tank 3 is arranged in slope surface, and water tank 3 is made of clear material, and the elevation at 3 top of water tank is less than drilling 1
The elevation of bottom, water tank exhaust pipe 4 are mounted on the top of water tank 3, and water tank exhaust valve 41 is mounted on water tank exhaust pipe 4；
The arrival end of the drainpipe 5 is connected to the bottom of water tank 3, and the outlet of drainpipe 5 is placed in the gutter 7 of 9 lower part of side slope,
Drain the exit that tube valve 6 is mounted on drainpipe 5.A diameter of 4mm of siphon pipe 2.The quantity of siphon pipe 2 is placed in water tank 3
It is 50.85 a diameter of 10mm of gas cylinder exhaust pipe.The volume of water tank 3 is set as 50 liters, and every 2 length of siphon pipe is 50m, is owned
Siphon pipe 2 needs 32 liters of water full of water, and the sodium carbonate liquor of left gas cylinder 81 is 500 grams of sodium carbonate and 2 liters of water mixing, right gas cylinder 82
Citric acid solution be 500 grams of citric acids and the mixing of 1 kilogram of water, according to chemical reaction equation：2C6H8O7+3Na2CO3=
2C6H5O7Na3+3CO2+3H2After the reaction completely of O, sodium carbonate and citric acid, in the case where room temperature, pressure are 200kpa, dioxy can be generated
Change 43.8 liters of carbon.
A kind of side slope siphon drainge system air pressure startup method, this method include：
（1）Slope drainage system gas pressure startup device when first used, closes water tank exhaust valve 41, closes gas cylinder exhaust pipe
Valve 86 opens draining tube valve 6, inversely pours water to drainpipe 5 from draining tube valve 6, the gas in siphon pipe 2 is discharged
Afterwards, stop inversely pouring water, open water tank exhaust valve 41, siphonage starts, and underground water is followed by siphon pipe in slopes
2, water tank 3, drainpipe 5 enter gutter 7, record the initial drain discharge of drainpipe 5；
（2）When the drain discharge of drainpipe 5 drops to the 30%-50% of initial drain discharge, draining tube valve 6, water tank 3 are closed
Water level rises, and gas is discharged by water tank exhaust pipe 4 in water tank 3；
（3）When water tank 3 collects full water, water tank exhaust valve 41 is closed, right gas cylinder 82 is squeezed, citric acid solution is made to pass through drainage
Pipe 83 flows into left gas cylinder 81, and citric acid is reacted with sodium carbonate generates carbon dioxide gas, and gas enters right gas cylinder by branch pipe 87
82, so that the air pressure in left gas cylinder 81 and right gas cylinder 82 is reached balance, when pressure gauge is shown as 200kpa, opens gas cylinder exhaust pipe
Valve 86, gas enter water tank 3, and pressure increases in water tank 3, and water is made inversely to be pressed into siphon pipe 2, in the siphon pipe 2 that siphon is interrupted
Air be discharged, after gas flows out left gas cylinder 81,81 pressure of left gas cylinder reduces, and citric acid solution is pressed by drainage tube 83
Left gas cylinder 81, continuing to react generates gas；
（4）When position of 3 water level decreasing of water tank to 2 water outlet of siphon pipe, gas cylinder exhaust valve 86 is closed, opens water tank row
Tracheae valve 41 opens draining tube valve 6, and side slope siphon drainge system works on, and the draining for recording new drainpipe 5 is initial
Flow supplements sodium carbonate in gas cylinder 81 to the left, supplements citric acid in gas cylinder 82 to the right.
Claims (2)
1. a kind of slope drainage system gas pressure startup device, which is characterized in that the device includes siphon pipe 2, water tank 3, water tank row
Tracheae 4, water tank exhaust valve 41, drainpipe 5, draining tube valve 6, gas generating system 8, the gas generating system packet
Left gas cylinder 81, right gas cylinder 82, drainage tube 83, branch pipe 87, pressure gauge 84, gas cylinder exhaust pipe 85, gas cylinder exhaust valve 86 are included, it is left
Gas cylinder 81 fills sodium carbonate liquor, and right gas cylinder 82 fills citric acid solution, passes through drainage tube between left gas cylinder 81 and right gas cylinder 82
83 connections, the both ends of drainage tube 83 are all located at liquid level hereinafter, being equipped with pressure gauge 84 among drainage tube 83, and branch pipe 87 is connected to drainage
On pipe 83, the air inlet of branch pipe 87 is more than liquid level, and the arrival end of gas cylinder exhaust pipe 85 is placed within left gas cylinder, gas cylinder exhaust pipe
More than liquid level, the outlet end of gas cylinder exhaust pipe 85 is connect 85 arrival end with water tank 3, and gas cylinder exhaust valve 86 is mounted on gas
On bottle exhaust pipe 85；The water inlet of the siphon pipe 2 is placed in the drilling 1 in side slope 9,1 aperture of drilling to 1 bottom of drilling
Vertical range is more than the corresponding water-column of local atmospheric pressure, and the water outlet of siphon pipe 2 is placed in the water tank 3 of sealing；Described
Water tank 3 is arranged in slope surface, and water tank 3 is made of clear material, and the elevation at 3 top of water tank is less than the elevation of 1 bottom of drilling, water tank
Exhaust pipe 4 is mounted on the top of water tank 3, and water tank exhaust valve 41 is mounted on water tank exhaust pipe 4；The drainpipe 5
Arrival end is connected to the bottom of water tank 3, and the outlet of drainpipe 5 is placed in the gutter 7 of 9 lower part of side slope, and draining tube valve 6 is installed
In the exit of drainpipe 5, a diameter of 4mm of siphon pipe 2, the quantity of merging siphon pipe is 50-100 roots, gas cylinder row in water tank
A diameter of 10mm of tracheae.
2. a kind of slope drainage system air pressure using claim 1 described device starts method, which is characterized in that this method packet
It includes：
（1）Slope drainage system gas pressure startup device when first used, closes water tank exhaust valve, closes gas cylinder blow off valve
Door opens draining tube valve, inversely pours water to drainpipe from draining tube valve, after the gas in siphon pipe is discharged, stops inverse
To pouring water, water tank exhaust valve is opened, underground water enters gutter followed by siphon pipe, water tank, drainpipe in slopes, remembers
Record the initial drain discharge of drainpipe；
（2）When the drain discharge of drainpipe drops to the 30%-50% of initial drain discharge, draining tube valve, Water in Water Tank are closed
Position rises, and gas is discharged by water tank exhaust pipe in water tank；
（3）When water tank collection full water, water tank exhaust valve is closed, right gas cylinder is squeezed, citric acid solution is made to pass through drainage tube stream
Enter left gas cylinder, citric acid is reacted with sodium carbonate generates carbon dioxide gas, and gas enters right gas cylinder by branch pipe, make left gas cylinder and
Air pressure in right gas cylinder reaches balance, when pressure gauge is shown as 200kpa, opens gas cylinder exhaust valve, gas enters water
Case, pressure increases in water tank, and water is made inversely to be pressed into siphon pipe, and the air in the siphon pipe that siphon is interrupted is discharged；
（4）When cistern water level drops to the position of siphon pipe water outlet, gas cylinder exhaust valve is closed, opens water tank exhaust pipe
Valve opens draining tube valve, records the draining initial flow of new drainpipe, supplement sodium carbonate in gas cylinder to the left, to the right gas
Citric acid is supplemented in bottle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333943.4A CN108517880A (en) | 2018-04-13 | 2018-04-13 | Slope drainage system gas pressure startup device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333943.4A CN108517880A (en) | 2018-04-13 | 2018-04-13 | Slope drainage system gas pressure startup device and method |
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| Publication Number | Publication Date |
|---|---|
| CN108517880A true CN108517880A (en) | 2018-09-11 |
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ID=63429172
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810333943.4A Withdrawn CN108517880A (en) | 2018-04-13 | 2018-04-13 | Slope drainage system gas pressure startup device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805050A (en) * | 2019-11-23 | 2020-02-18 | 桐乡市倍特科技有限公司 | Coast side slope drainage system |
| CN111794204A (en) * | 2020-07-16 | 2020-10-20 | 招商局重庆交通科研设计院有限公司 | Automatic drainage structure in side slope based on rainfall |
-
2018
- 2018-04-13 CN CN201810333943.4A patent/CN108517880A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805050A (en) * | 2019-11-23 | 2020-02-18 | 桐乡市倍特科技有限公司 | Coast side slope drainage system |
| CN111794204A (en) * | 2020-07-16 | 2020-10-20 | 招商局重庆交通科研设计院有限公司 | Automatic drainage structure in side slope based on rainfall |
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Application publication date: 20180911 |
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| WW01 | Invention patent application withdrawn after publication |