CN105442631B - The two-tube leak detection facility with plastic well of Collapsible Loess District plastics - Google Patents
The two-tube leak detection facility with plastic well of Collapsible Loess District plastics Download PDFInfo
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- CN105442631B CN105442631B CN201511005207.9A CN201511005207A CN105442631B CN 105442631 B CN105442631 B CN 105442631B CN 201511005207 A CN201511005207 A CN 201511005207A CN 105442631 B CN105442631 B CN 105442631B
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- leak detection
- well
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- pipe
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0006—Plastics
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
A kind of two-tube leak detection facility with plastic well of Collapsible Loess District plastics, including service pipe, upstream leak detection well, downstream leak detection well, manhole;Plastic protection sleeve pipe is set with outside service pipe, closed leak detection space is provided between service pipe outer wall and plastic protection internal surface of sleeve pipe, service pipe and plastic protection sleeve pipe are connected with the closed leak detection space for well borehole wall docking location of hunting leak, by sealing ring with leak detection well Well-wall sealer, short tube is provided with sealing ring, short tube one end connects with closed leak detection space, the other end positioned at leak detection well and is provided with drain valve and pressure gauge.The present invention be applied to Collapsible Loess District according to《Code for building construction in collapsible loess zone》The provisions of GB50025 2004 need to set the place of leak detection pipe trench and well of hunting leak.Construction cost of the present invention is lower, and labor intensity reduces, and leak detection effect is more preferable.
Description
Technical field
The invention belongs to the municipal facilities outside the room of one residential, suitable for Collapsible Loess District exterior components pipeline
Laying leak detection uses, the two-tube leak detection facility with plastic well of specifically a kind of Collapsible Loess District plastics.
Background technology
In settlement by soaking area due to the presence of the settlement by soaking in place, in secondary water amount rainwater flood or pipeline itself leakage loss
Water to building foundation, road and pipeline, cause differential settlement and collapse in itself by basis, structural damage safety.Settlement by soaking is yellow
The outer engineering pipeline laying of soil compartment, using laying leak detection trench and leak detection well typically in guard plot, passes through civil engineering structure
Leak detection trench and leak detection well find pipe leakage point, to repair replacing pipe-line system.But because civil engineering leak detection system cost is high
Hold high, or even expense reaches the several times of institute's protective conduit system investments, there is the sensation put the cart before the horse;And civil engineering leak detection system efficiency
It is low, take up an area that big, difficulty of construction is big, once leakage loss can increase intractability.For this reason, it may be necessary to there is a kind of saving fund, be easy to construct
Pipeline itself leak hunting technology,《Code for building construction in collapsible loess zone》GB50025-2004 provisions illustrate to carry in 5.5.5
Go out a kind of plastic tube technique with heat-insulation layer, be referred to as " tube-in-tube " technology, but it is considered that itself and it is unreliable.
The content of the invention
The technical problem to be solved in the present invention is to provide that a kind of construction cost is low, leak detection effect is reliable, leakage pipeline section is determined
Accurately Collapsible Loess District plastics are two-tube with plastic well leak detection facility for position.
It is as follows that the present invention solves the technical scheme that above-mentioned technical problem is taken:A kind of Collapsible Loess District plastics are two-tube
With plastic well leak detection facility, including service pipe, upstream leak detection well, downstream leak detection well, manhole;It is characterized in that:In instrumentation tubes
Plastic protection sleeve pipe is set with outside road, closed leak detection space is provided between service pipe outer wall and plastic protection internal surface of sleeve pipe,
The closed leak detection space of service pipe and plastic protection sleeve pipe and leak detection well borehole wall docking location, pass through sealing ring and leak detection Jing Jing
Wall is tightly connected, and short tube is provided with sealing ring, and short tube one end connects with closed leak detection space, the other end is positioned at leak detection well and installation
There are drain valve and pressure gauge.
Plastic protection sleeve pipe is identical with the tubing material of service pipe;Well of hunting leak is plastics leak detection well.Drain valve is provided with
As the sluicing valve-operating lever of operation handle, the other end of sluicing valve-operating lever, which is located at, to be bordering at leak detection well head;So, work people
Member can be in terrestrial operation drain valve.
The present invention has installed plastic protection sleeve pipe, service pipe and plastic protection sleeve pipe double-skin duct additional outside service pipe
Between the space that reserves as closed leak detection space, and the closed leak detection space of double-skin duct and leak detection well borehole wall docking location
It is connected with encapsulant with leak detection well Well-wall sealer, and the fluid in service pipe normally flows out, sealing space is picked out with short tube
Pressure gauge and drain valve.If this section of service pipe leaks, sluicing will fill this section of confined space, and missing inspection to be checked is looked into
Middle unlatching drain valve, have leak and flowed out from short tube, the short tube outlet of gravity stream pipeline, which should be connected to beyond overflow, to be easy to observe
Position, whether pressure current pipeline such as sluicing pressure gauge will produce reading, thus judge leakage rate size and need to change
Instrumentation tubes.
The present invention be applied to Collapsible Loess District according to《Code for building construction in collapsible loess zone》GB50025-2004 bars
Text need to set the place of leak detection pipe trench and well of hunting leak.Compared with trench and leak detection well being hunted leak with civil engineering armored concrete, institute of the present invention
More there is water proofing property using material, the waterproof effect of UPVC pipelines more preferably, although adding protection tube on material, compared with
It is many that the cost of armored concrete leak detection trench always knows from experience saving;Plastic inspection well room is smaller, is prefabricated component, can also save throwing
Money;Construction cost is lower, and labor intensity reduces;Effect of hunting leak is more preferable.
At present, the leak detection system of civil engineering bulky complex, widely using in the yard piping of Collapsible Loess District, not only
The unfavorable factors such as construction cost are added, also leave hidden danger to construction quality." where leakage is leaked, how to be found with not leaking " is
One idea problem, and an economic science problem.In today that plastics industry science and technology is flourishing, the present invention carries to solve leak detection
A kind of practical, low cost, the technical scheme of leakage pipeline section accurate positioning are supplied.
Brief description of the drawings
Fig. 1 is the structural representation that the present invention is applied to gravity stream pipeline;
Fig. 2 is Fig. 1 top view;
Fig. 3 present invention is applied to the structural representation of pressure current pipeline;
Fig. 4 is Fig. 3 top view;
Fig. 5 is the structural relation figure between drain valve, pressure gauge and sealing ring, closed leak detection space.
In figure:1-downstream leak detection well, 2-plastic protection sleeve pipe, 3-service pipe, 4-upstream leak detection well, 5-closed
Leak detection space, 6-drain valve, 7-pressure gauge, 8-grade, 9-sluicing valve-operating lever, 10-sealing ring, 11-manhole,
12-chute.
Embodiment
Embodiment 1;The present embodiment is used for pressure current pipeline.As shown in Figure 3 and Figure 4:A kind of Collapsible Loess District plastics
Two-tube and plastic well leak detection facility, including the service pipe 3 below grade 8 is embedded in, upstream leak detection well 4, downstream leak detection
Well 1, manhole 11;It is characterized in that:Plastic protection sleeve pipe 2, the outer wall of service pipe 3 and plastics are set with the outside of service pipe 3
Closed leak detection space 5 is provided between the inwall of protection tube 2, service pipe 3 and plastic protection sleeve pipe 2 dock position with the leak detection well borehole wall
The closed leak detection space 5 put, be connected with leak detection well Well-wall sealer by sealing ring 10, sealing ring 10 is interior to be provided with short tube, short tube one
End connects with closed leak detection space 5, the other end positioned at leak detection well and is provided with drain valve 6 and pressure gauge 7.What sealing ring 10 used
Encapsulant can be rubber ring or the plastic components of similar bushing.
As the perfect of the present invention;Drain valve 6 is provided with the sluicing valve-operating lever 9 as operation handle, drain valve operation
The other end of bar 9, which is located at, to be bordering at leak detection well head;So, staff can be in terrestrial operation drain valve 6.
Plastic protection sleeve pipe 2 is identical with the tubing material of service pipe 3;Well of hunting leak is plastics leak detection well.
Embodiment 2;The present embodiment is used for gravity stream pipeline.The gravity stream pipeline of prior art downstream leak detection well 1 with it is upper
In the trip leak detection well of well 4, the interior chute 12 with both ends service pipe UNICOM is provided with;So as shown in Figures 1 and 2:Gravity flow tube
The short tube outlet in road should be connected to the position for being easy to observation beyond overflow, when drain valve 6 is opened, even if not observing pressure gauge 7,
The leak that short tube can be exported and the fluid normally flowed out in service pipe are distinguished.Remaining is same as Example 1.
During engineering design is implemented, first, press《Code for building construction in collapsible loess zone》GB50025-2004 and《Settlement by soaking
Water supply and drainage pipeline engineering structures outside the room of Canal in Loess Area》S531-1-5, it is determined that using armored concrete leak detection trench and leak detection
The scope of well.Original soil is then replaced using the technology of the present invention and builds armored concrete leak detection trench and leak detection well.Construction in line with the drawings, periodically
Leak detection, pressure and sluicing value are recorded, periodically with last comparing, leakage loss pipeline section position is determined with reference to other factors.
Concrete operations:Construction can do air-tight test during being completed to confined space.Closed leak detection space can use
Pressure gauge connection, carry out air and suppress test pipeline leakage situation.During use, at 7 days to one month, once leak detection checked
In, pressure tabular value and bleeder quantity size in each well are recorded every time, according to the contrast with last time data, and other specification ratio
Such as surface collapse observation value determines the specific pipeline section of pipeline leakage;Determine to change specific pipeline section.
Here is certain cell application present invention and the citing comparative illustration of prior art armored concrete leak detection trench:Building
200,000 square metres of cell, outdoor cell sewage network caliber is typically between De300~De400, after place settlement by soaking has been handled
Still there are remaining wet limitation 150mm, sewage Double-well 200.5563 meters of outdoor sewage pipe network length, trench of hunting leak(Reinforced concrete
Native 800x800).Cost compares:
Using leak detection trench armored concrete(Three wells wouldn't contrast):
200x0.15+5563x0.12+5563x0.016=786.57 ten thousand yuan;
It is two-tube using plastics(Well)Leak hunting technology:
200x0.15+5563x0.016+5563x0.025=258.08 ten thousand yuan.
528.51 ten thousand yuan are saved, close to twice of 258.08 ten thousand yuan of investments of new technology.
Claims (3)
1. a kind of two-tube leak detection facility with plastic well of Collapsible Loess District plastics, including it is embedded in the work below grade
Pipeline, upstream leak detection well, downstream leak detection well, manhole;It is characterized in that:In service pipe(3)Outside is set with plastic protection set
Pipe(2), service pipe(3)Outer wall and plastic protection sleeve pipe(2)Closed leak detection space is provided between inwall(5), service pipe(3)
With plastic protection sleeve pipe(2)With upstream, the closed leak detection space of downstream leak detection well borehole wall docking location(5)Pass through sealing ring(10)
It is connected with upstream, downstream leak detection well Well-wall sealer, sealing ring(10)It is interior to be provided with short tube, short tube one end and closed leak detection space(5)
Connection, the short tube other end are located at upstream, downstream leak detection well and are provided with drain valve(6)With pressure gauge(7);Plastic protection sleeve pipe
(2)With service pipe(3)Tubing material it is identical, upstream, downstream leak detection well be plastics hunt leak well.
2. a kind of Collapsible Loess District plastics as claimed in claim 1 are two-tube with plastic well leak detection facility, it is characterised in that:
Drain valve(6)Sluicing valve-operating lever is installed(9), sluicing valve-operating lever(9)The other end positioned at be bordering on upstream, downstream leak detection well
At mouthful.
3. a kind of Collapsible Loess District plastics as claimed in claim 2 are two-tube with plastic well leak detection facility, it is characterised in that:
Sealing ring(10)It is rubber ring.
Priority Applications (1)
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CN201511005207.9A CN105442631B (en) | 2015-12-29 | 2015-12-29 | The two-tube leak detection facility with plastic well of Collapsible Loess District plastics |
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CN201511005207.9A CN105442631B (en) | 2015-12-29 | 2015-12-29 | The two-tube leak detection facility with plastic well of Collapsible Loess District plastics |
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CN105442631A CN105442631A (en) | 2016-03-30 |
CN105442631B true CN105442631B (en) | 2018-04-06 |
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CN106638695A (en) * | 2016-09-23 | 2017-05-10 | 中国航空规划设计研究总院有限公司 | Leakage detection ditch for building protection in large-thickness collapsible loess area |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000027211A (en) * | 1998-07-09 | 2000-01-25 | Mitsui Constr Co Ltd | Connection reinforcing method for existing pipe |
CN2550621Y (en) * | 2002-07-18 | 2003-05-14 | 上海益能电力工程有限公司 | Directly buried leakage detecting type corrugated pipe compensation joint |
CN201165703Y (en) * | 2008-03-21 | 2008-12-17 | 四川天鑫塑胶管业有限公司 | Leak detection plastic inspection shaft for collapsible loess area |
CN201254734Y (en) * | 2008-05-23 | 2009-06-10 | 贵阳铝镁设计研究院 | Outdoor leak detection pipe ditch infall structure |
CN102561396A (en) * | 2010-12-21 | 2012-07-11 | 金德管业集团有限公司 | Plastic inspection well and manufacturing method thereof |
CN102561501A (en) * | 2010-12-09 | 2012-07-11 | 中铝国际技术发展有限公司 | Pressure pipeline leakage detection pipe ditch for collapsible loess regions |
CN203948956U (en) * | 2014-06-26 | 2014-11-19 | 内蒙古电力勘测设计院有限责任公司 | The leak test plant of directly buried pipeline |
CN204080862U (en) * | 2014-07-11 | 2015-01-07 | 辽宁远东新型管业发展有限公司 | With the waterproof short tube through walls of earrings |
CN205348220U (en) * | 2015-12-29 | 2016-06-29 | 中国市政工程西北设计研究院有限公司 | Double -barrelled and plastics well leak hunting facility of collapsible loess area plastics |
-
2015
- 2015-12-29 CN CN201511005207.9A patent/CN105442631B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000027211A (en) * | 1998-07-09 | 2000-01-25 | Mitsui Constr Co Ltd | Connection reinforcing method for existing pipe |
CN2550621Y (en) * | 2002-07-18 | 2003-05-14 | 上海益能电力工程有限公司 | Directly buried leakage detecting type corrugated pipe compensation joint |
CN201165703Y (en) * | 2008-03-21 | 2008-12-17 | 四川天鑫塑胶管业有限公司 | Leak detection plastic inspection shaft for collapsible loess area |
CN201254734Y (en) * | 2008-05-23 | 2009-06-10 | 贵阳铝镁设计研究院 | Outdoor leak detection pipe ditch infall structure |
CN102561501A (en) * | 2010-12-09 | 2012-07-11 | 中铝国际技术发展有限公司 | Pressure pipeline leakage detection pipe ditch for collapsible loess regions |
CN102561396A (en) * | 2010-12-21 | 2012-07-11 | 金德管业集团有限公司 | Plastic inspection well and manufacturing method thereof |
CN203948956U (en) * | 2014-06-26 | 2014-11-19 | 内蒙古电力勘测设计院有限责任公司 | The leak test plant of directly buried pipeline |
CN204080862U (en) * | 2014-07-11 | 2015-01-07 | 辽宁远东新型管业发展有限公司 | With the waterproof short tube through walls of earrings |
CN205348220U (en) * | 2015-12-29 | 2016-06-29 | 中国市政工程西北设计研究院有限公司 | Double -barrelled and plastics well leak hunting facility of collapsible loess area plastics |
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