CN205348220U - Double -barrelled and plastics well leak hunting facility of collapsible loess area plastics - Google Patents
Double -barrelled and plastics well leak hunting facility of collapsible loess area plastics Download PDFInfo
- Publication number
- CN205348220U CN205348220U CN201521113796.8U CN201521113796U CN205348220U CN 205348220 U CN205348220 U CN 205348220U CN 201521113796 U CN201521113796 U CN 201521113796U CN 205348220 U CN205348220 U CN 205348220U
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- well
- leak detection
- plastics
- leak
- leak hunting
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Abstract
The utility model provides a double -barrelled and plastics well leak hunting facility of collapsible loess area plastics, includes working pipe, upper reaches leak hunting well, low reaches leak hunting well, manhole, being equipped with plastics protection tube at working pipe outside cover, being equipped with airtight leak hunting space between working pipe outer wall and the plastics protection tube inner wall, the airtight leak hunting space of working pipe and plastics protection tube and leak hunting well wall of a well butt joint position, through sealing ring and leak hunting well wall of a well sealing connection is equipped with the nozzle stub in the sealing ring, and nozzle stub one end lies in the well of hunting leak with airtight leak hunting space intercommunication, the other end and just installs wash -out valve and manometer. The utility model is suitable for a collapsible loess area need set up the place of leakage detection pipe ditch and leak hunting well according to " collapsible loess regional architecture standard " GB50025 -2004 clause. The utility model discloses construction cost is lower, and intensity of labour reduces, and the leak hunting effect is better.
Description
Technical field
This utility model belongs to the municipal facilities that one residential is outdoor, it is adaptable to exterior components pipeline laying leak detection in Collapsible Loess District uses, specifically the two-tube facility of hunting leak with plastic well of a kind of Collapsible Loess District plastics.
Background technology
In settlement by soaking area due to the existence of the settlement by soaking in place, the water yield at secondary water amount rainwater flood or pipeline self leakage loss causes differential settlement to the own basis of building foundation, road and pipeline and subsides, structural damage safety.Collapsible Loess District exterior components pipeline laying, be typically in guard plot adopt lay leak detection trench and leak detection well, by the leak detection trench of civil engineering structure and leak detection well find pipe leakage point, in order to maintenance change tubing.But owing to civil engineering leak detection system cost is high, even expense reaches the several times of institute's protective conduit system investments, has the sensation put the cart before the horse；And civil engineering leak detection system efficiency is low, it is big to take up an area, difficulty of construction is big, once leakage loss can increase intractability.For this, need a kind of save fund, be easy to construction pipeline self leak hunting technology, illustrate 5.5.5 proposes a kind of plastic tube technique with heat-insulation layer at " Code for building construction in collapsible loess zone " GB50025-2004 provision, be called " tube-in-tube " technology, but it is considered that itself and unreliable.
Summary of the invention
The technical problems to be solved in the utility model is in that to provide that a kind of construction cost is low, it is reliable for effect to hunt leak, the two-tube facility of hunting leak with plastic well of the Collapsible Loess District plastics of leakage pipeline section accurate positioning.
It is as follows that this utility model solves the technical scheme taked of above-mentioned technical problem: the two-tube facility of hunting leak with plastic well of a kind of Collapsible Loess District plastics, including service pipe, upstream leak detection well, downstream leak detection well, manhole；It is characterized in that: outside service pipe, be set with plastic protection sleeve pipe, airtight leak detection space it is provided with between service pipe outer wall and plastic protection internal surface of sleeve pipe, the airtight leak detection space of service pipe and plastic protection sleeve pipe and leak detection well borehole wall docking location, it is connected with well Well-wall sealer of hunting leak by sealing ring, being provided with short tube in sealing ring, short tube one end connects with airtight leak detection space, the other end is positioned at leak detection well and is provided with drain valve and Pressure gauge.
Plastic protection sleeve pipe is identical with the tubing material of service pipe；Leak detection well is plastics leak detection wells.Drain valve is provided with the drain valve action bars as operation handle, and the other end of drain valve action bars is positioned at and is bordering on leak detection well head place；So, staff can at terrestrial operation drain valve.
This utility model has installed plastic protection sleeve pipe additional outside service pipe, the space reserved between service pipe and plastic protection sleeve pipe double-skin duct is as airtight leak detection space, and double-skin duct is connected with leak detection well Well-wall sealer with the airtight leak detection space encapsulant of leak detection well borehole wall docking location, and the fluid in service pipe normally flows out, seal space short tube and picked out Pressure gauge and drain valve.If this section of service pipe leaks, sluicing will fill this section of confined space, middle unlatching drain valve is looked in missing inspection to be checked, having leaks flows out from short tube, the short tube outlet in gravity flow tube road should be connected to beyond overflow to be easy to the position observed, pressure current pipeline such as sluicing Pressure gauge will produce reading, thus judges leakage rate size and the need of changing instrumentation tubes.
This utility model is applicable to Collapsible Loess District need to arrange leak detection pipe trench and the place of leak detection well according to " Code for building construction in collapsible loess zone " GB50025-2004 provision.Compare with civil engineering armored concrete leak detection trench and leak detection well, the adopted material of this utility model has water proofing property more, more preferably, although adding protection tube on material, but it is a lot of always to know from experience saving compared with the cost of armored concrete leak detection trench for the waterproof effect of UPVC pipeline；Plastic inspection well room is smaller, for prefabricated component, also can reduce investment outlay；Construction cost is lower, and labor intensity reduces；Leak detection better effects if.
At present, the leak detection system of civil engineering bulky complex, widely using in the yard piping of Collapsible Loess District, not only increase the unfavorable factors such as construction cost, also leave hidden danger to construction quality." leaking and do not leak, where leak, how to find " is an idea problem, is also an economic science problem.In today that plastics industry science and technology is flourishing, this utility model is solve leak detection to provide the technical scheme of a kind of practicality, low cost, leakage pipeline section accurate positioning.
Accompanying drawing explanation
Fig. 1 is the structural representation that this utility model is applied to gravity flow tube road；
Fig. 2 is the top view of Fig. 1；
Fig. 3 this utility model is applied to the structural representation of pressure current pipeline；
Fig. 4 is the top view of Fig. 3；
Fig. 5 is the structural relation figure between drain valve, Pressure gauge and sealing ring, airtight leak detection space.
In figure: 1 downstream leak detection well, 2 plastic protection sleeve pipes, 3 service pipes, 4 upstream leak detection wells, 5 airtight leak detection spaces, 6 drain valves, 7 Pressure gauges, 8 grades, 9 drain valve action bars, 10 sealing rings, 11 manholes, 12 chutes.
Detailed description of the invention
Embodiment 1；The present embodiment is used for pressure current pipeline.As shown in Figure 3 and Figure 4: the two-tube facility of hunting leak with plastic well of a kind of Collapsible Loess District plastics, including being embedded in grade 8 service pipe 3 below, upstream leak detection well 4, downstream leak detection well 1, manhole 11；Plastic protection sleeve pipe 2 it is set with outside service pipe 3, airtight leak detection space 5 it is provided with between service pipe 3 outer wall and plastic protection sleeve pipe 2 inwall, the airtight leak detection space 5 of service pipe 3 and plastic protection sleeve pipe 2 and leak detection well borehole wall docking location, it is connected with well Well-wall sealer of hunting leak by sealing ring 10, being provided with short tube in sealing ring 10, short tube one end connects with airtight leak detection space 5, the other end is positioned at leak detection well and is provided with drain valve 6 and Pressure gauge 7.The encapsulant that sealing ring 10 uses can be rubber ring or the plastic components of similar reinforcing the heart.
As of the present utility model perfect；Drain valve 6 is provided with the drain valve action bars 9 as operation handle, and the other end of drain valve action bars 9 is positioned at and is bordering on leak detection well head place；So, staff can at terrestrial operation drain valve 6.
Plastic protection sleeve pipe 2 is identical with the tubing material of service pipe 3；Leak detection well is plastics leak detection wells.
Embodiment 2；The present embodiment is used for gravity flow tube road.The downstream leak detection well 1 in the gravity flow tube road of prior art is hunted leak in well 4 well with upstream, with the chute 12 of two ends service pipe UNICOM in being provided with；So, as shown in Figures 1 and 2: the outlet of the short tube in gravity flow tube road should be connected to beyond overflow to be easy to the position observed, when drain valve 6 is opened, even if not observing Pressure gauge 7, it is also possible to the normal fluid flowed out with service pipe that leaks exported by short tube is distinguished.All the other are identical with embodiment 1.
During engineering design is implemented, first, by " Code for building construction in collapsible loess zone " GB50025-2004 and " outdoor, Collapsible Loess District water supply and drainage pipeline engineering structures " S531-1 5, it is determined that use armored concrete leak detection trench and the scope of leak detection well.Then adopt this utility model technology to replace original soil and build armored concrete leak detection trench and leak detection well.Construction in line with the drawings, regularly hunts leak, and records pressure and sluicing value, regularly with last comparing, determines leakage loss pipeline section position in conjunction with other factors.
Concrete operations: construction can do air-tight test to confined space during being completed.Airtight leak detection space can adopt pressure gauge connection, carries out air and suppresses test pipeline leakage situation.In use procedure, during once leak detection checked at 7 days to one month, recording pressure tabular value and bleeder quantity size in each each well, according to the contrast with upper secondary data, and other parameters such as surface collapse observation value etc. determines the concrete pipeline section of pipeline leakage；Determine to change concrete pipeline section.
Certain community is presented herein below and applies the citing comparative illustration of this utility model and prior art armored concrete leak detection trench: 200,000 square metres, one residential, outdoor cell sewage network caliber is typically between De300～De400, place settlement by soaking still has residue wet limitation 150mm, sewage Double-well 200 after having processed.Outdoor sewage pipe network length 5563 meters, leak detection trench (armored concrete 800x800).Cost compares:
Adopt leak detection trench armored concrete (San Lianjing wouldn't contrast):
200x0.15+5563x0.12+5563x0.016=786.57 ten thousand yuan；
Adopt plastics two-tube (well) leak hunting technology:
200x0.15+5563x0.016+5563x0.025=258.08 ten thousand yuan.
Save 528.51 ten thousand yuan, close to the twice of new technique 258.08 ten thousand yuan investment.
Claims (4)
1. the two-tube facility of hunting leak with plastic well of Collapsible Loess District plastics, including the service pipe being embedded in below grade, upstream leak detection well, downstream leak detection well, manhole；It is characterized in that: be set with plastic protection sleeve pipe (2) in service pipe (3) outside, airtight leak detection space (5) it is provided with between service pipe (3) outer wall and plastic protection sleeve pipe (2) inwall, the airtight leak detection space (5) of service pipe (3) and plastic protection sleeve pipe (2) and leak detection well borehole wall docking location, is connected with leak detection well Well-wall sealer by sealing ring (10), in sealing ring (10), is provided with that short tube one end connects with airtight leak detection space (5), the other end is positioned at and hunts leak well and be provided with drain valve (6) and Pressure gauge (7).
2. the two-tube facility of hunting leak with plastic well of Collapsible Loess District as claimed in claim 1 a kind of plastics, it is characterised in that: drain valve (6) is provided with drain valve action bars (9), and the other end of drain valve action bars (9) is positioned at and is bordering on leak detection well head place.
3. the two-tube facility of hunting leak with plastic well of Collapsible Loess District as claimed in claim 1 or 2 a kind of plastics, it is characterised in that: plastic protection sleeve pipe (2) is identical with the tubing material of service pipe (3)；Leak detection well is plastics leak detection wells.
4. the two-tube facility of hunting leak with plastic well of Collapsible Loess District as claimed in claim 3 a kind of plastics, it is characterised in that: sealing ring (10) is rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521113796.8U CN205348220U (en) | 2015-12-29 | 2015-12-29 | Double -barrelled and plastics well leak hunting facility of collapsible loess area plastics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521113796.8U CN205348220U (en) | 2015-12-29 | 2015-12-29 | Double -barrelled and plastics well leak hunting facility of collapsible loess area plastics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205348220U true CN205348220U (en) | 2016-06-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521113796.8U Withdrawn - After Issue CN205348220U (en) | 2015-12-29 | 2015-12-29 | Double -barrelled and plastics well leak hunting facility of collapsible loess area plastics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205348220U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442631A (en) * | 2015-12-29 | 2016-03-30 | 中国市政工程西北设计研究院有限公司 | Double plastic pipe and plastic shaft type leakage detecting device for collapsible loess region |
-
2015
- 2015-12-29 CN CN201521113796.8U patent/CN205348220U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442631A (en) * | 2015-12-29 | 2016-03-30 | 中国市政工程西北设计研究院有限公司 | Double plastic pipe and plastic shaft type leakage detecting device for collapsible loess region |
| CN105442631B (en) * | 2015-12-29 | 2018-04-06 | 中国市政工程西北设计研究院有限公司 | The two-tube leak detection facility with plastic well of Collapsible Loess District plastics |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160629 Effective date of abandoning: 20180406 |