CN103016851A - Smart pipeline with optical fiber sensing function and manufacturing method for smart pipeline - Google Patents
Smart pipeline with optical fiber sensing function and manufacturing method for smart pipeline Download PDFInfo
- Publication number
- CN103016851A CN103016851A CN2012105181447A CN201210518144A CN103016851A CN 103016851 A CN103016851 A CN 103016851A CN 2012105181447 A CN2012105181447 A CN 2012105181447A CN 201210518144 A CN201210518144 A CN 201210518144A CN 103016851 A CN103016851 A CN 103016851A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- cable
- optic cable
- pipe
- sensing optic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention discloses a smart pipeline structure, which comprises a pipeline, a sensing optical cable and a 3-layer polyethylene (3PE) anticorrosive coating. The pipeline is coated by the 3PE anticorrosive coating. The sensing optical cable is positioned in the 3PE anticorrosive coating, and is laterally wound around the pipeline. The 3PE anticorrosive coating consists of an epoxy powder coating, an adhesive layer and a PE coating layer from inside to outside. The manufacturing method for the smart pipeline comprises the following steps of: performing intermediate-frequency heating on a de-rusted steel pipe; depositing and gelling epoxy powder on the surface of the steel pipe under the promotion of compressed air and the action of an electrostatic field; laterally winding the sensing optical cable around the pipeline under the condition of ensuring the gelled state of the epoxy powder coating; extruding an adhesive by using an extruder, and coating the adhesive on the surfaces of the gelled epoxy powder and the sensing optical cable; and extruding the PE coating layer by using the extruder, adhering the PE coating layer and the adhesive layer in the same way, and performing cooling forming under the action of water cooling. The leakage, corrosion, third-party interference and the like of the pipeline can be online monitored in real time.
Description
Technical field
The invention belongs to Fibre Optical Sensor, civil engineering health detection and monitoring method technical field, the intelligent pipeline technology of the active of relating to and can be used for that various pipes is especially passed through, the damage of bridge tube and third party disturbing, online, Real-Time Monitoring and early warning.
Background technique
Pipeline transport is as the fifth-largest means of transportation after railway, highway, water route, air transportation, have the advantages such as low cost, efficient energy-saving, safety and stability at aspects such as transport liquid, gas, slurries, bringing into play irreplaceable effect at oil, chemical field; On the other hand, along with development and the construction of city planting ductwork, town water supply, gas burning system also consist of very huge piping network, and pipe network becomes vital lifeline engineering in the national product life already.Pipe network in long-term the use owing to the reasons such as pipeline is aging, surrounding environment effect and third party's interferences are understood the disaster accidents such as corrosion, leakage, fracture and explosion.Along with the development of modern city, urban pipe network increases, and the pipeline accident rate improves, in a single day disaster accident occurs in urban pipe network, not only cause huge economic loss and the wasting of resources, even can cause the secondary disasters such as environmental pollution, blast, the serious threat mankind's normal production and life.Along with the urban construction high speed development, municipal pipeline facility maintenance sharply increases, and in order to ensure the safe operation of pipeline, guarantees the people's the security of the lives and property, and conduit running Security detection and monitoring technology are had higher requirement.
At present, mainly be to understand pipeline configuration health status by pipeline being implemented regularly detection both at home and abroad, technical way can be divided into two large classes substantially: inner detection method and external detection method.Inner detection method comprises: peep detection, Magnetic Flux Leakage Inspecting, ultrasound examination, eddy current testing etc. in the CCTV; The external detection method comprises: line walking observation, air sampling, cable leak detection, radiation detection method etc.These detection means need to rely on manually carries or mobile vehicle-mounted instrument is patrolled and examined along pipe interior or outside.Although above-mentioned detection means is highly skilled, be widely used, but its testing process needs point by point scanning to carry out pipe inspection, need detection facility to enter into structure or with pipe section to be detected or whole excavations, and the acquisition of damage information depends on complicated data processing work and a large amount of inspector's experience decision processes etc., these factors all show existing detection technique be difficult to satisfy to in-service pipeline carry out in real time, the requirement of on-line monitoring.
Optical fiber sensing technology is at 20 century 70s, develops rapidly along with popularizing of optical fiber and measuring techniques for optical fiber.Measuring technology basic principle based on Fibre Optical Sensor is: with light as the sensitive information carrier, with optical fiber as the medium that transmits sensitive information.The optical signal that light source sends is sent into modulator zone (being the test zone of sensor fibre) through incident ray, when incident light is propagated in optical fiber, measurand (such as temperature, strain, vibration etc.) acts on the optical fiber, so that in the optical fiber transmission light reflect, refraction effect, or the transmission of light (such as amplitude, phase place, wavelength, polarization state etc.) changes, said process becomes optical modulation, light after the modulation is after the terminal demodulating equipment carries out photoelectric conversion, further analyze again and process, can obtain the information of measured physical quantity.Optical fiber transducer with its anti-electromagnetic interference, electrical insulation, corrosion-resistant, high temperature resistant, volume is little, lightweight, the good characteristics such as little and cost is low on the measured medium impact, has obtained great development.In recent years, optical fiber sensing technology begins to be applied to pipeline configuration health monitoring field, relates generally to for pipeline configuration and physical quantity on every side thereof, such as the master that is measured as of temperature, strain, vibration etc.At present, the optical fiber sensing technology that can be used for the pipeline configuration health monitoring mainly contains: distribution type fiber-optic/grating sensor, based on the optical fibre vibration sensor of principle of interference.Distribution type fiber-optic/grating sensing technique provides realization along the possibility that the fiber lengths every bit carries out temperature/strain measurement, mainly comprises: distributed optical fiber temperature sensor and distributive fiber optic strain sensor.This class sensor mainly is based on advanced optical time domain reflection technology (Optical Time DomainReflectometry, OTDR) developing, mainly is to leak the surrounding environment local temperature that produces by measuring channel to change the realization line leakage in pipeline configuration health monitoring field.Modal is the ROTDR(RamanOTDR that realizes temperature distributing measuring), and realize simultaneously the BOTDR(Brillouin OTDR that temperature/Strain Distribution is measured).Basic principle based on the optical fibre vibration sensor of principle of interference is: because the pipeline configuration that pipeline configuration damage, internal flow leakage etc. cause vibrates, and because the third party disturbs the pipeline configuration that waits external influence to cause to vibrate, act on the sensor fibre, its refractive index or propagation constant are changed, thereby cause the phase place of light wave modulated, change to measure measured physical quantity by detecting photophase.Since present all kinds of photodetectors all directly the phase place of perceived light change, must adopt interference technique that the phase place variation of light is converted to Strength Changes and could realize measurement to measured physical quantity, so the phase modulation-type sensor is also referred to as interferometric sensor.The interferometer principle that adopts at present has: optical fibre Michelson (Michelson) interferometer, optical fiber Sagnac(match lattice Nike) interferometer, optical fiber Mach – Zehnder(Mach-Zehnder) interferometer, optical fiber Fabry-Perot(enamel amber) principle.
For the pipeline monitoring, the distribution of line shape form of optical fiber is well suited for pipeline configuration, easily consists of long distance, distributed sensing network; On the other hand, distributed fiberoptic sensor have obtain simultaneously in optical modulation zone measurand in time with the ability of the distributed intelligence of spatial variations, utilize this characteristic, lay one or several optical cable at pipeline, utilize optical fiber as sensor, pick up strain, temperature and the oscillating signal of pipeline, and by analysis and processing to signal, can realize rapid judgement and accurate location to third party's interference incidents such as pipe leakage, vibration, near mechanical execution and artificial destructions, improve the operation security level monitoring of pipeline.
Of common occurrence based on pipeline monitoring theory and the experimental research of optical fiber sensing technology both at home and abroad.Chinese invention patent application number 02145502.3 employing optical time domain reflection technology carries out the oil-gas pipeline Leak testtion, it is the fault point of judging optical fiber by the Rayleigh scattering that produces in the detection fiber and Fresnel reflection signal, is mainly used in the detections such as the loss of fault, fiber lengths, optical fiber of optical cable and opticalfiber splicing loss.Chinese invention patent application number 200410020046.6 employing interference type distributed optical fiber vibrative sensors carry out pipeline leakage testing, this sensor is to be made of single mode fiber cable and corresponding optical element that Near Pipelines is laid side by side along pipeline, when pipeline occurs to leak, the leakage noise that produces makes the photophase that transmits in the optical cable modulated, the output that causes interference light changes, and then judges that leak free generation is arranged.Because this sensory technique needs to have at least in the optical cable three Single Mode Fiber could consist of sensor, but in the pipeline that some have laid, the communication optical cable that lays has on the way only been reserved an optical fiber, can not form interferometer, therefore can't utilize such detection technique that these pipelines are detected.
Mostly lay particular emphasis on both at home and abroad the aspects such as optical fiber transducer and relevant sensing network, signal demodulation techniques based on the research of the pipe detection of optical fiber sensing technology and monitoring technology and application.Existing application example, technological scheme and product etc. all be by sensing optic cable is laid in newly-built pipeline or existing pipeline along the line (be close to pipe surface or the pipeline certain limit that is laid in the soil body in); laid processes often is accompanied by the operations such as fixing, the protection of excavation, optical cable and on-the-spot test; laid processes is complicated; need a large amount of artificial participations, simultaneously because the work on the spot circumstance complication causes the damage of sensing optic cable easily.It is to be solved that above-mentioned factor all causes the application of this technology still to have a lot of problems to have, thereby the optical cable poor durability of laying along pipe laying difficulty, scene such as sensor fibre and fragile, part sensing optic cable have damaged before coming into operation and caused wrong report etc.
Summary of the invention
The object of the invention is the different requirements for pipeline configuration health monitoring content, based on existing optical fiber sensing technology, in conjunction with the anticorrosion processing technology of pipeline 3PE, has proposed a kind of intelligent pipeline and manufacture method thereof with Fibre Optical Sensor function.
Solution of the present invention is:
A kind of intelligent pipeline structure comprises pipeline, also comprises sensing optic cable, the 3PE anticorrosive coat, and pipeline is coated by the 3PE anticorrosive coat, and this sensing optic cable is arranged in the 3PE anticorrosive coat, and side direction is wound in pipeline.
Further, described 3PE anticorrosive coat from inside to outside is comprised of FBE, adhesive layer, PE clad.
Sensing optic cable and is firmly pasted at pipe surface by the epoxy powder under the gel state and adhesive layer in the FBE and the adhesive layer between the PE clad of 3PE anticorrosive coat, and outermost surface is coated by the PE layer.
Also comprise optional feature, the optical cable future part welding section between optional feature and the sensing optic cable, by pipe ends between each pipeline section of intelligent pipeline is connected; Described optional feature refers to the element that optical fiber sensing technology is required.
Described optional feature comprises the pulse laser generator of light incident side and the photoelectric conversion (FBG) demodulator of light signal output end.
Described sensing optic cable adopts a cable list core or a cable multifiber cable that is made of one or more optical fiber.
The optical fiber of described sensing optic cable inside comprises: based on the optical fiber of ROTDR temperature distributing measuring technology; Optical fiber based on BOTDR temperature/Strain Distribution surveying; And based on the optical fiber of Michelson interferometer, Sagnac interferometer, Mach – Zehnder interferometer, Fabry-Perot interferometer principle of interference.
The manufacture method of above-mentioned intelligent pipeline comprises:
Steel pipe after the rust cleaning is passed through heating in medium frequency; With the compressed air push of epoxy powder, in the effect deposit of electrostatic field in steel tube surface and gel; Guaranteeing under the FBE gel state, carrying out sensing optic cable and twine along the side of pipeline; Extrude adhesive by extruder subsequently, be wrapped in gel epoxy powder and sensing optic cable surface; It is attached with the same manner and adhesive layer note to extrude the PE clad by extruder at last, and under the water-cooled effect cooling and shaping.
Further, comprising:
1) to entering the steel pipe inspection record of inlet pipe platform, the attachments such as the grease of removing steel tube surface and dirt;
2) steel pipe is carried out preheating after, outer surface carries out impeller blasting, derusting should meet related specifications regulation, the welding slag of steel tube surface, burr etc. should be removed totally;
3) twine tape paper at pipe end, seal;
4) steel pipe after the derusting inspection is carried out micronic dust and process, dust and abrasive material cleaning that steel tube surface is adhered to is clean, and steel tube surface dust degree and salt surfactant content should satisfy the related specifications regulation, and should process in rear 4 hours at micronic dust and carry out subsequent technique;
5) heating in medium frequency is to the application temperature of epoxy powder requirement;
6) the spraying epoxy powder forms FBE;
7) keeping under the FBE gel state, sensing optic cable is being twined side be wound in around the steel pipe, needing during winding reserve respectively optical cable future part welding section in pipe ends;
8) along with the side of optical cable is twined, carry out adhesive and extrude the pusher side winding, form the polymer latex adhensive layer, it is outer to be wrapped in FBE and sensing optic cable;
9) PE extrudes the pusher side winding, forms the PE clad;
10) steel pipe carries out water cooling, and guarantees the FBE completion of cure;
11) peel off pipe end coating and adhesive tape; After the anticorrosive coat coating is finished, remove the PE clad at pipe end position; Remove;
12) lower pipe platform, stacking ready for delivery.
Preheating temperature is 40 ~ 60 ℃ wherein: step 2); The thickness of FBE is not less than 80 μ m in the step 6); The length of reserving the welding section when twining in the step 7) is not less than 200mm; During winding, optical cable centre distance remains on 100 ~ 150mm scope; Adhesive layer thickness is 170 ~ 200 μ m in the step 8), and the extruder processing length is 100 ~ 150mm; The extruder processing length is 100 ~ 150mm in the step 9); Be water-cooled to the steel pipe temperature in the step 10) and be not higher than 60 ℃; The pipe end length in reserve of removing the PE clad in the step 11) is 150mm, and end face should form and be not more than 30 ° chamfering; Keep the FBE that is no more than 20mm outside the PE clad end.
Sensing optic cable of the present invention can adopt a cable list core of one or more physical quantities such as can realizing temperature, strain, vibration or a cable multifiber cable as the sensor of intelligent pipeline, manufacture method by the present invention's proposition, in the anticorrosion course of working of pipeline 3PE, the realization sensing optic cable is connected with pipeline configuration, forms the intelligent pipeline that collector road structure and sensing optic cable are integrated.After pipeline comes into operation, be connected with optional feature, by sensing optic cable one or more physical quantitys such as the temperature of pipeline configuration itself or surrounding environment, strain, vibration are monitored, thereby realize the real time on-line monitorings such as pipe leakage, burn into third party interference, consist of self-induction, the intelligent pipeline structure of self-sensing.
The present invention contrasts prior art and has following characteristics:
1) is different from and existing sensing optic cable and pipeline separated, the correlation technique of parallel laying, " intelligent pipeline and the manufacture method thereof with Fibre Optical Sensor function " that the present invention proposes, carry out in the anticorrosion course of working of 3PE at pipeline, can realize pipeline configuration itself or ambient temperature, strain, one or more physical quantitys such as vibration detect with the sensing optic cable side of monitoring and are wound in pipeline, form the intelligent pipeline that collector road structure and sensing optic cable are integrated, need not pipe excavation, the construction of the secondaries such as fiber cable laying is after intelligent pipeline comes into operation, only need to realize the input of test light signal at front-end configuration optional feature (pulse laser generator), realize signal interpretation at terminal configuration optional feature (photoelectric conversion (FBG) demodulator), analysing and processing etc. just can realize pipe leakage, corrosion, the third party such as disturbs at the real time on-line monitoring; In addition, between optional feature and the intelligent pipeline, between the sensing optic cable of intelligent pipeline pipeline section and pipeline section, by optical cable future part welding section just can be convenient and simple connect, do not affect pipeline normal construction process;
2) be different from the technology and method along pipeline axial parallel laying sensing optic cable of conventional method, intelligent pipeline of the present invention, the direct side of its sensing optic cable is wound in pipeline, directly contacts with tested pipeline, makes its axial and hoop along pipeline have simultaneously higher sensitivity.Simultaneously; sensing optic cable is firmly pasted at pipe surface by FBE and adhesive layer; and by the further fixing and protection of PE clad; not only improved the durability of sensing optic cable; can also avoid pipeline configuration that conventional method may cause and the damage of sensing optic cable in the secondary work progress of optical cable laying, improve the reliability of detection/monitoring.
The present invention contrasts prior art and has following remarkable advantage:
1) " intelligent pipeline and the manufacture method thereof with Fibre Optical Sensor function " of the present invention's proposition, by in the pipe production course of working, sensing optic cable being installed on pipeline, form the intelligent pipeline that collector road structure and sensing optic cable are integrated, the secondary construction operations such as a large amount of scenes is installed and laid are converted to prefabrication work.Avoid prior art that sensing optic cable and pipeline are separated and applied and established the variety of issue that brings; such as the laying of the secondary excavation in the laid processes, optical cable, fix, the complicated procedures of forming such as protection and on-the-spot test; need a large amount of artificial participations, simultaneously because the work on the spot circumstance complication causes the damage of sensing optic cable etc. easily.
2) " intelligent pipeline and the manufacture method thereof with Fibre Optical Sensor function " of the present invention's proposition compared with prior art, has simple installation, and the field adjustable time is short, maintenance cost is low, stable and reliable for performance, long service life all has the higher advantages such as sensitivity along the pipeline circumferential and axial.
3) " intelligent pipeline and the manufacture method thereof with Fibre Optical Sensor function " of the present invention's proposition only needs to reserve optical cable future part welding section at its two ends, can same stepping in the welding of the 3PE of pipe laying job site pipe coupling preservative treatment sensing optic cable.The intelligent pipeline that adopts the present invention to propose is all need not carry out separately in addition laying and constructing of optical fiber sensing system in the pipeline construction process or after the pipe laying, makes it easy to lay and is connected.On the other hand, because sensing optic cable and pipeline configuration combine together, at conventional method fiber cable laying, fixing and protect in the more difficult all kinds of crossing pipeline structures such as bridge tube, the present invention has larger advantage.
Description of drawings
Fig. 1 is embodiment of the invention intelligent pipeline structural representation.
Fig. 2 is the sectional schematic diagram of intelligent pipeline embodiment illustrated in fig. 1.
Among the figure, 1. pipeline, 2. sensing optic cable, 3. FBE, 4. adhesive layer, 5.PE clad, 6. pulse laser generator, 7 photoelectric conversion (FBG) demodulators, 8 optical cable future part welding sections.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
Basic thought of the present invention is laying in the anticorrosion processing technology of the 3PE that incorporates pipeline the sensing optic cable of satisfied different monitorings and testing requirement, carry out in the anticorrosion course of working of 3PE at pipeline, the sensing optic cable side is wound in pipeline, forms the intelligent pipeline that collector road structure and sensing optic cable are integrated.After pipeline comes into operation, be connected with optional feature, by sensing optic cable one or more parameters such as the temperature of pipeline configuration itself or surrounding environment, stress, vibration are monitored, thereby realize the real time on-line monitorings such as pipe leakage, burn into third party interference.
1. the intelligent pipeline structure that has the Fibre Optical Sensor function
1) the intelligent pipeline structure that has a Fibre Optical Sensor function is made of following building block: pipeline 1, sensing optic cable 2,3PE anticorrosive coat (being comprised of FBE 3, adhesive layer 4, PE clad 5), this three basic constituent elements are the prerequisites that intelligent pipeline is realized self-induction, self-sensing intellectual monitoring function; After coming into operation, also need connect optional feature at the two ends of this intelligent pipeline and just can finish predetermined function, optional feature is the required optical element of optical fiber sensing technology, comprises the pulse laser generator 6 of light incident side, the photoelectric conversion (FBG) demodulator 7 of light signal output end.Wherein building block is the necessary parts that intelligent pipeline that the present invention proposes possesses self-induction, self-sensing function.Optional feature is the intelligent pipeline required optional feature of rear examinations/monitoring function that comes into operation, and not necessarily is included within the composition structure of the present invention.
2) Placement between the intelligent pipeline building block is: sensing optic cable is in the FBE 3 and the adhesive layer 4 between the PE clad 5 of 3PE anticorrosive coat, side direction is wound in pipeline, and firmly pastes at pipe surface by the epoxy powder under the gel state and adhesive layer.Outermost surface carries out the PE layer again and coats, and forms the intelligent pipeline structure.Optical cable future part welding section 8 by pipe ends is connected between optional feature and the intelligent pipeline building block and between each pipeline section of intelligent pipeline.
3) for different monitoring targets such as temperature, strain, vibrations, the sensing optic cable in the building block of the present invention can adopt a cable list core or a cable multifiber cable that is made of one or more optical fiber.The optical fiber of optical cable inside can adopt: based on the optical fiber of ROTDR temperature distributing measuring technology; Optical fiber based on BOTDR temperature/Strain Distribution surveying; And based on the Michelson(Michelson) interferometer, Sagnac(match lattice Nike) interferometer, Mach – Zehnder(Mach-Zehnder) interferometer, Fabry-Perot(enamel amber) optical fiber of the principle of interference such as interferometer.According to the composition of optical fiber in the sensing optic cable, in the corresponding additional optics of front end, terminal configuration of optical cable, can realize the distributed measurement of one or more physical quantitys such as temperature, strain, vibration.
2. the manufacture method that has the intelligent pipeline of Fibre Optical Sensor function
The manufacture method of the intelligent pipeline that the present invention proposes mainly comprises following basic step: the steel pipe after will eliminate rust passes through after the heating in medium frequency the compressed air push of epoxy powder, in the effect deposit of electrostatic field in steel tube surface and gel; Guaranteeing under the FBE gel state, carrying out sensing optic cable and twine along the side of pipeline; Extrude adhesive (primer) by extruder subsequently, twine (coating) on gel epoxy powder and sensing optic cable surface; It is attached with the same manner and adhesive layer note to extrude the PE clad by extruder at last, and under the water-cooled effect cooling and shaping.
Specifically comprise:
To entering the steel pipe inspection record of inlet pipe platform, the attachments such as the grease of removing steel tube surface and dirt;
After steel pipe carried out preheating, outer surface was thrown the rust cleaning of (spray) ball, and preheating temperature is generally 40 ~ 60 ℃, and derusting should meet the related specifications regulation, and the welding slag of steel tube surface, burr etc. should be removed totally;
Twine tape paper at pipe end, seal;
Steel pipe after the derusting inspection is carried out micronic dust process, dust and abrasive material cleaning that steel tube surface is adhered to is clean, and steel tube surface dust degree and salt surfactant content should satisfy the related specifications regulation, and should process in rear 4 hours at micronic dust and carry out subsequent technique;
The application temperature that heating in medium frequency requires to epoxy powder;
The spraying epoxy powder forms FBE, and thickness is not less than 80 μ m;
Keeping under the FBE gel state, sensing optic cable is being twined side be wound in around the steel pipe, needing during winding reserve respectively optical cable future part welding section in pipe ends, length is not less than 200mm.During winding, optical cable centre distance keeps 100 ~ 150mm;
Along with the side of optical cable is twined, carry out adhesive and extrude the pusher side winding, form the polymer latex adhensive layer, it is outer to be wrapped in FBE and sensing optic cable, and adhesive layer thickness is 170 ~ 200 μ m.The extruder processing length is 100 ~ 150mm;
PE extrudes pusher side and twines, and forms the PE clad.The extruder processing length is 100 ~ 150mm;
Be water-cooled to the steel pipe temperature and be not higher than 60 ℃, and guarantee the FBE completion of cure;
Peel off pipe end coating and adhesive tape.After the anticorrosive coat coating is finished, should remove the PE clad at pipe end position.The pipe end length in reserve of removing the PE clad is preferably 150mm, and end face should form and is not more than 30 ° chamfering; The PE clad can keep the FBE that is no more than 20mm outside the end;
Lower pipe platform, stacking ready for delivery.
Following examples wait the oscillating signal that causes to monitor as intelligent pipeline and the manufacture method thereof of target further to be introduced for disturbing take pipeline configuration damage and third party.
1) selection of sensing optic cable: adopt based on Sagnac(match lattice Nike) the distributed vibration measurement of interferometer principle needs two optical fiber, and transmission light modulated, another root transmit reference light.Sensing optic cable adopts the inner two cables of a cable multicore that comprise above-mentioned two optical fiber.
2) manufacturing of intelligent pipeline: sensing optic cable 2 sides are twined with around the pipeline 1, firmly paste around pipeline 1 by FBE 3 and adhesive layer 4, further fix by PE clad 5 again and protect.And in pipe ends reservation optical cable future part welding section 8.
3) test of intelligent pipeline: after above-mentioned intelligent pipeline completion of processing, at the intelligent pipeline two ends by optical cable future part welding section respectively with optional feature: pulse laser generator 6 is connected with the photoelectric conversion (FBG) demodulator and is connected, by manually applying vibration source, present embodiment adopts at the pipe surface lead for retractable pencil that fractures, sensing optic cable is demarcated and tested, guarantee that it can work after laying.
4) protection of intelligent pipeline two ends optical cable future part welding section 8: in the depositing of intelligent pipeline, transportation and laid processes, the reservation welding section that guarantees the optical cable two ends of adopting an effective measure is not damaged.
5) being connected between intelligent pipeline cable laying operation and pipeline section: the cable laying operation process of intelligent pipeline and common pipe also are as good as the place, after being welded to connect of pipeline section finished, at first the optical cable future part welding section of pipeline section to be connected two ends is carried out on-the-spot welding, sensing optic cable after will connecting is subsequently firmly pasted at pipeline by FBE and adhesive layer, carries out the coating of PE clad again and can finish laying of intelligent pipeline.
6) connection of optional feature: after pipe laying is finished, the input of selected optical signal and output terminal on pipeline, present embodiment adopts the 100m long lines.At two ends respectively by optical cable future part welding section and pulse laser generator be connected Sagnac(match lattice Nike) the photoelectric conversion (FBG) demodulator of interferometer principle is connected, and can realize that intelligent pipeline is for self-induction, the self-sensing Real-Time Monitoring of oscillating signal.
In said apparatus, the selection of building block sensing optic cable can have various ways, is not limited to vibration-testing and a cable twin fiber cable.Can adopt a cable list core or a cable multifiber cable of one or more optical fiber compositions of realizing temperature, strain, vibration measurement.Simultaneously, above-mentioned optical fiber also can be single mode or the multi-mould optical fibre that satisfies corresponding requirements.Can select according to actual conditions and demand, this does not give unnecessary details.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.The person skilled in the art obviously can easily make various modifications to these embodiments, and needn't pass through performing creative labour being applied among other embodiments in the General Principle of this explanation.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and not breaking away from the improvement that category of the present invention makes and revise all should be within protection scope of the present invention.
Claims (10)
1. an intelligent pipeline structure comprises pipeline, it is characterized in that: also comprise sensing optic cable, and the 3PE anticorrosive coat, pipeline is coated by the 3PE anticorrosive coat, and this sensing optic cable is arranged in the 3PE anticorrosive coat, and side direction is wound in pipeline.
2. intelligent pipeline structure according to claim 1, it is characterized in that: described 3PE anticorrosive coat from inside to outside is comprised of FBE, adhesive layer, PE clad.
3. intelligent pipeline structure according to claim 2, it is characterized in that: sensing optic cable is in the FBE and the adhesive layer between the PE clad of 3PE anticorrosive coat, and firmly paste at pipe surface by the epoxy powder under the gel state and adhesive layer, outermost surface is coated by the PE layer.
4. intelligent pipeline structure according to claim 2 is characterized in that: also comprise optional feature, the optical cable future part welding section between optional feature and the sensing optic cable, by pipe ends between each pipeline section of intelligent pipeline is connected; Described optional feature refers to the element that optical fiber sensing technology is required.
5. intelligent pipeline structure according to claim 4, it is characterized in that: described optional feature comprises the pulse laser generator of light incident side and the photoelectric conversion (FBG) demodulator of light signal output end.
6. intelligent pipeline structure according to claim 1 is characterized in that: a cable list core or a cable multifiber cable that described sensing optic cable employing is made of one or more optical fiber.
7. intelligent pipeline structure according to claim 6, it is characterized in that: the optical fiber of described sensing optic cable inside comprises: based on the optical fiber of ROTDR temperature distributing measuring technology; Optical fiber based on BOTDR temperature/Strain Distribution surveying; And based on the optical fiber of Michelson interferometer, Sagnac interferometer, Mach – Zehnder interferometer, Fabry-Perot interferometer principle of interference.
8. the manufacture method of arbitrary described intelligent pipeline structure among the claim 1-7 is characterized in that: comprising:
Steel pipe after the rust cleaning is passed through heating in medium frequency; With the compressed air push of epoxy powder, in the effect deposit of electrostatic field in steel tube surface and gel; Guaranteeing under the FBE gel state, carrying out sensing optic cable and twine along the side of pipeline; Extrude adhesive by extruder subsequently, be wrapped in gel epoxy powder and sensing optic cable surface; It is attached with the same manner and adhesive layer note to extrude the PE clad by extruder at last, and under the water-cooled effect cooling and shaping.
9. the manufacture method of described intelligent pipeline structure according to claim 8 is characterized in that: comprising:
1) to entering the steel pipe inspection record of inlet pipe platform, the attachments such as the grease of removing steel tube surface and dirt;
2) steel pipe is carried out preheating after, outer surface carries out impeller blasting, derusting should meet related specifications regulation, the welding slag of steel tube surface, burr etc. should be removed totally;
3) twine tape paper at pipe end, seal;
4) steel pipe after the derusting inspection is carried out micronic dust and process, dust and abrasive material cleaning that steel tube surface is adhered to is clean, and steel tube surface dust degree and salt surfactant content should satisfy the related specifications regulation, and should process in rear 4 hours at micronic dust and carry out subsequent technique;
5) heating in medium frequency is to the application temperature of epoxy powder requirement;
6) the spraying epoxy powder forms FBE;
7) keeping under the FBE gel state, sensing optic cable is being twined side be wound in around the steel pipe, needing during winding reserve respectively optical cable future part welding section in pipe ends;
8) along with the side of optical cable is twined, carry out adhesive and extrude the pusher side winding, form the polymer latex adhensive layer, it is outer to be wrapped in FBE and sensing optic cable;
9) PE extrudes the pusher side winding, forms the PE clad;
10) steel pipe carries out water cooling, and guarantees the FBE completion of cure;
11) peel off pipe end coating and adhesive tape; After the anticorrosive coat coating is finished, remove the PE clad at pipe end position;
12) lower pipe platform, stacking ready for delivery.
10. the manufacture method of described intelligent pipeline structure according to claim 9 is characterized in that: step 2) in preheating temperature be 40 ~ 60 ℃; The thickness of FBE is not less than 80 μ m in the step 6); The length of reserving the welding section when twining in the step 7) is not less than 200mm; During winding, optical cable centre distance remains on 100 ~ 150mm scope; Adhesive layer thickness is 170 ~ 200 μ m in the step 8), and the extruder processing length is 100 ~ 150mm; The extruder processing length is 100 ~ 150mm in the step 9); Be water-cooled to the steel pipe temperature in the step 10) and be not higher than 60 ℃; The pipe end length in reserve of removing the PE clad in the step 11) is 150mm, and end face should form and be not more than 30 ° chamfering; Keep the FBE that is no more than 20mm outside the PE clad end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105181447A CN103016851A (en) | 2012-12-06 | 2012-12-06 | Smart pipeline with optical fiber sensing function and manufacturing method for smart pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105181447A CN103016851A (en) | 2012-12-06 | 2012-12-06 | Smart pipeline with optical fiber sensing function and manufacturing method for smart pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103016851A true CN103016851A (en) | 2013-04-03 |
Family
ID=47965779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105181447A Pending CN103016851A (en) | 2012-12-06 | 2012-12-06 | Smart pipeline with optical fiber sensing function and manufacturing method for smart pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103016851A (en) |
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511794A (en) * | 2013-10-08 | 2014-01-15 | 番禺珠江钢管（连云港）有限公司 | Process for reserving FBE layer with any length at ends of 3PE/3PP erosion-resistant pipe |
| CN104455758A (en) * | 2014-11-28 | 2015-03-25 | 王咸维 | Intelligent anti-seepage automatic early warning pipe |
| CN105220758A (en) * | 2015-09-23 | 2016-01-06 | 苏州市玄天环保科技有限公司 | A kind of soil pipe |
| CN105259184A (en) * | 2015-11-24 | 2016-01-20 | 大连大学 | Tunnel-vault distributed optical fiber monitoring device, construction technology thereof and monitoring method thereof |
| CN105299477A (en) * | 2015-09-17 | 2016-02-03 | 成都千易信息技术有限公司 | Oil and gas pipeline leakage monitoring system |
| CN105318842A (en) * | 2015-11-17 | 2016-02-10 | 大连大学 | Pressure pipeline welding seam breakage monitoring sensor system |
| CN106761809A (en) * | 2016-12-19 | 2017-05-31 | 中国电建集团中南勘测设计研究院有限公司 | It is a kind of to carry out defects detection, the zawn gas storage library structure of monitoring |
| CN107178709A (en) * | 2017-06-19 | 2017-09-19 | 杨力 | A kind of pipeline intellectual monitoring structure |
| CN107883197A (en) * | 2016-09-30 | 2018-04-06 | 天津市誉航润铭科技发展有限公司 | A kind of line leakage sensor |
| CN108119706A (en) * | 2017-12-21 | 2018-06-05 | 武汉理工大学 | A kind of fiber winding intelligent pipeline and its manufacture craft |
| CN108194839A (en) * | 2017-12-25 | 2018-06-22 | 北京市热力工程设计有限责任公司 | A kind of leakage monitoring cable network based on heat distribution pipeline |
| CN109084883A (en) * | 2018-08-09 | 2018-12-25 | 合肥工业大学 | Based on phase-BOTDR optical fiber distributed type Brillouin's vibrating sensing measurement method |
| CN109099320A (en) * | 2018-08-23 | 2018-12-28 | 中铁第四勘察设计院集团有限公司 | Feedwater piping and its leakage loss monitoring device |
| CN109186895A (en) * | 2018-08-08 | 2019-01-11 | 太原理工大学 | Distributed passive gas transmission line leakage multi-parameter fusion early warning detection device and method |
| US10197212B2 (en) | 2014-11-25 | 2019-02-05 | Halliburton Energy Services, Inc. | Smart subsea pipeline |
| US10197197B2 (en) | 2014-11-25 | 2019-02-05 | Halliburton Energy Services, Inc. | Smart subsea pipeline |
| CN109630755A (en) * | 2018-12-29 | 2019-04-16 | 天津新星科能源技术有限公司 | A kind of submarine pipeline and installation method with monitoring optical fiber installation coating |
| CN109936636A (en) * | 2019-03-14 | 2019-06-25 | 广东聚源管业实业有限公司 | A kind of pipeline intrusion detection method and system |
| US10443763B2 (en) | 2014-11-25 | 2019-10-15 | Halliburton Energy Services, Inc. | Smart subsea pipeline |
| US10544893B2 (en) | 2014-11-25 | 2020-01-28 | Halliburton Energy Services, Inc. | Smart subsea pipeline with conduits |
| CN110866346A (en) * | 2019-11-21 | 2020-03-06 | 国网陕西省电力公司电力科学研究院 | Method and system for acquiring inherent vibration characteristics of dry-type air-core reactor |
| CN111006075A (en) * | 2019-12-09 | 2020-04-14 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Fluid transmission pipeline, preparation method thereof and leakage detection system |
| CN111120877A (en) * | 2019-12-12 | 2020-05-08 | 同济大学 | Drainage pipe network leakage monitoring equipment based on distributed optical fiber temperature measurement |
| US10683950B2 (en) | 2014-11-25 | 2020-06-16 | Halliburton Energy Services, Inc. | Smart subsea pipeline with channels |
| CN111350885A (en) * | 2020-05-23 | 2020-06-30 | 胜利油田新大管业科技发展有限责任公司 | Cable laying pipe |
| CN111537160A (en) * | 2020-05-09 | 2020-08-14 | 深圳市行健自动化股份有限公司 | High-energy pipeline leakage monitoring method based on distributed optical fiber |
| CN111981214A (en) * | 2020-07-24 | 2020-11-24 | 湖北三江航天红阳机电有限公司 | Optical fiber sensor hot-melt packaging tape, metal pressure pipeline and manufacturing method thereof |
| CN112524359A (en) * | 2020-11-19 | 2021-03-19 | 潍坊科技学院 | Integrated fiber grating's intelligent axial extrusion formula coupling |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201521723U (en) * | 2009-09-28 | 2010-07-07 | 大庆油田有限责任公司 | Low-temperature high-strength anti-corrosion heat insulation composite pipeline |
| CN102062730A (en) * | 2010-12-20 | 2011-05-18 | 天津亿利科能源科技发展股份有限公司 | Buried oil pipeline external-corrosion real-time monitoring device based on optical fiber sensor |
| CN102240630A (en) * | 2011-05-06 | 2011-11-16 | 天津远翔工贸有限公司 | Process for coating small-diameter 3-polyurethane (PE) antiseptic steel tube |
-
2012
- 2012-12-06 CN CN2012105181447A patent/CN103016851A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201521723U (en) * | 2009-09-28 | 2010-07-07 | 大庆油田有限责任公司 | Low-temperature high-strength anti-corrosion heat insulation composite pipeline |
| CN102062730A (en) * | 2010-12-20 | 2011-05-18 | 天津亿利科能源科技发展股份有限公司 | Buried oil pipeline external-corrosion real-time monitoring device based on optical fiber sensor |
| CN102240630A (en) * | 2011-05-06 | 2011-11-16 | 天津远翔工贸有限公司 | Process for coating small-diameter 3-polyurethane (PE) antiseptic steel tube |
Non-Patent Citations (2)
| Title |
|---|
| 新疆油田防腐保温培训组: "《埋地钢质管道聚乙烯防腐层技术标准》解析", 《百度文库》 * |
| 许兆文，武志刚: "基于光纤微弯的缠绕式管道形变传感器", 《传感技术学报》 * |
Cited By (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511794B (en) * | 2013-10-08 | 2015-11-25 | 番禺珠江钢管（连云港）有限公司 | A kind of 3PE/3PP anti-corrosion pipe pipe end retains the technique of any long FBE layer |
| CN103511794A (en) * | 2013-10-08 | 2014-01-15 | 番禺珠江钢管（连云港）有限公司 | Process for reserving FBE layer with any length at ends of 3PE/3PP erosion-resistant pipe |
| US10197212B2 (en) | 2014-11-25 | 2019-02-05 | Halliburton Energy Services, Inc. | Smart subsea pipeline |
| US10197197B2 (en) | 2014-11-25 | 2019-02-05 | Halliburton Energy Services, Inc. | Smart subsea pipeline |
| US10544893B2 (en) | 2014-11-25 | 2020-01-28 | Halliburton Energy Services, Inc. | Smart subsea pipeline with conduits |
| US10683950B2 (en) | 2014-11-25 | 2020-06-16 | Halliburton Energy Services, Inc. | Smart subsea pipeline with channels |
| US10443763B2 (en) | 2014-11-25 | 2019-10-15 | Halliburton Energy Services, Inc. | Smart subsea pipeline |
| CN104455758A (en) * | 2014-11-28 | 2015-03-25 | 王咸维 | Intelligent anti-seepage automatic early warning pipe |
| CN105299477A (en) * | 2015-09-17 | 2016-02-03 | 成都千易信息技术有限公司 | Oil and gas pipeline leakage monitoring system |
| CN105220758A (en) * | 2015-09-23 | 2016-01-06 | 苏州市玄天环保科技有限公司 | A kind of soil pipe |
| CN105318842A (en) * | 2015-11-17 | 2016-02-10 | 大连大学 | Pressure pipeline welding seam breakage monitoring sensor system |
| CN105318842B (en) * | 2015-11-17 | 2018-05-25 | 大连大学 | Pressure pipeline weld seam breakage monitoring sensing system |
| CN105259184B (en) * | 2015-11-24 | 2018-10-16 | 大连大学 | Tunnel vault distributed optical fiber sensing device and its construction technology and monitoring method |
| CN105259184A (en) * | 2015-11-24 | 2016-01-20 | 大连大学 | Tunnel-vault distributed optical fiber monitoring device, construction technology thereof and monitoring method thereof |
| CN107883197A (en) * | 2016-09-30 | 2018-04-06 | 天津市誉航润铭科技发展有限公司 | A kind of line leakage sensor |
| CN106761809A (en) * | 2016-12-19 | 2017-05-31 | 中国电建集团中南勘测设计研究院有限公司 | It is a kind of to carry out defects detection, the zawn gas storage library structure of monitoring |
| CN107178709A (en) * | 2017-06-19 | 2017-09-19 | 杨力 | A kind of pipeline intellectual monitoring structure |
| CN108119706A (en) * | 2017-12-21 | 2018-06-05 | 武汉理工大学 | A kind of fiber winding intelligent pipeline and its manufacture craft |
| CN108194839A (en) * | 2017-12-25 | 2018-06-22 | 北京市热力工程设计有限责任公司 | A kind of leakage monitoring cable network based on heat distribution pipeline |
| CN109186895A (en) * | 2018-08-08 | 2019-01-11 | 太原理工大学 | Distributed passive gas transmission line leakage multi-parameter fusion early warning detection device and method |
| CN109084883A (en) * | 2018-08-09 | 2018-12-25 | 合肥工业大学 | Based on phase-BOTDR optical fiber distributed type Brillouin's vibrating sensing measurement method |
| CN109099320A (en) * | 2018-08-23 | 2018-12-28 | 中铁第四勘察设计院集团有限公司 | Feedwater piping and its leakage loss monitoring device |
| CN109630755A (en) * | 2018-12-29 | 2019-04-16 | 天津新星科能源技术有限公司 | A kind of submarine pipeline and installation method with monitoring optical fiber installation coating |
| CN109630755B (en) * | 2018-12-29 | 2024-02-06 | 天津新星科能源技术有限公司 | Submarine pipeline with monitoring optical fiber installation coating and installation method |
| CN109936636A (en) * | 2019-03-14 | 2019-06-25 | 广东聚源管业实业有限公司 | A kind of pipeline intrusion detection method and system |
| CN110866346A (en) * | 2019-11-21 | 2020-03-06 | 国网陕西省电力公司电力科学研究院 | Method and system for acquiring inherent vibration characteristics of dry-type air-core reactor |
| CN110866346B (en) * | 2019-11-21 | 2023-02-07 | 国网陕西省电力公司电力科学研究院 | Method and system for acquiring inherent vibration characteristics of dry-type air-core reactor |
| CN111006075A (en) * | 2019-12-09 | 2020-04-14 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Fluid transmission pipeline, preparation method thereof and leakage detection system |
| CN111120877A (en) * | 2019-12-12 | 2020-05-08 | 同济大学 | Drainage pipe network leakage monitoring equipment based on distributed optical fiber temperature measurement |
| CN111537160A (en) * | 2020-05-09 | 2020-08-14 | 深圳市行健自动化股份有限公司 | High-energy pipeline leakage monitoring method based on distributed optical fiber |
| CN111350885A (en) * | 2020-05-23 | 2020-06-30 | 胜利油田新大管业科技发展有限责任公司 | Cable laying pipe |
| CN111981214A (en) * | 2020-07-24 | 2020-11-24 | 湖北三江航天红阳机电有限公司 | Optical fiber sensor hot-melt packaging tape, metal pressure pipeline and manufacturing method thereof |
| CN112524359A (en) * | 2020-11-19 | 2021-03-19 | 潍坊科技学院 | Integrated fiber grating's intelligent axial extrusion formula coupling |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103016851A (en) | Smart pipeline with optical fiber sensing function and manufacturing method for smart pipeline | |
| CN110925602B (en) | Oil and gas pipeline corrosion and leakage monitoring and early warning system and method based on OFDR optical fiber sensing | |
| Ren et al. | Pipeline corrosion and leakage monitoring based on the distributed optical fiber sensing technology | |
| CN102997062B (en) | Optical fiber sensor-based natural gas pipeline leakage monitoring method and system and installation method for system | |
| CN1303411C (en) | Interference distributed fibre-optical pipe leakage real-time monitoring method and device | |
| CN102997061B (en) | Optical fiber sensor-based natural gas pipeline leakage monitoring system | |
| CN105259184B (en) | Tunnel vault distributed optical fiber sensing device and its construction technology and monitoring method | |
| CN110360945A (en) | Pipe deforming monitoring and palm early warning system and method based on BOTDR | |
| CN102914289B (en) | Brillouin distributed optical fiber sensing based structural deflection and subsidence monitoring system | |
| CN102997057B (en) | Optical fiber sensor-based natural gas pipeline leakage monitoring method and system and installation method for system | |
| CN103048588A (en) | Method and system for on-line locating power cable fault | |
| CN102997051A (en) | Optical fiber sensor-based natural gas pipeline leakage monitoring method and system | |
| CN110686609A (en) | Full-tunnel safety monitoring system and implementation method | |
| CN103217109B (en) | A kind of Crack Monitoring sensor based on OTDR technique and using method thereof | |
| Bassil | Distributed fiber optics sensing for crack monitoring of concrete structures | |
| CN102997063A (en) | Natural gas pipeline leakage monitoring method based on optical fiber sensing | |
| CN203147289U (en) | Double-Sagnac pipeline safety monitoring system | |
| CN103439630A (en) | Power cable fault point positioning method and system | |
| CN109099320A (en) | Feedwater piping and its leakage loss monitoring device | |
| CN101324446B (en) | Destabilization sensing localization method | |
| CN208817102U (en) | Feedwater piping and its leakage loss monitoring device | |
| CN205157454U (en) | Tunnel vault distributed optical fiber monitoring devices | |
| CN202252869U (en) | Natural gas pipeline leakage monitoring system based on fiber sensing | |
| CN103630265A (en) | Online monitoring method for temperature of flexible pipeline based on distributed optical fibers | |
| CN104456088B (en) | Linear type Sagnac monitoring pipeline safety system based on 3 × 3 bonders |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130403 |