CN107654789A - A kind of analogy method of long oil/gas pipe line dimension repairing process - Google Patents
A kind of analogy method of long oil/gas pipe line dimension repairing process Download PDFInfo
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- CN107654789A CN107654789A CN201711117862.2A CN201711117862A CN107654789A CN 107654789 A CN107654789 A CN 107654789A CN 201711117862 A CN201711117862 A CN 201711117862A CN 107654789 A CN107654789 A CN 107654789A
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- pipe
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- valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
Abstract
The invention belongs to long oil and gas pipeline damage repair technology field, a kind of analogy method of long oil/gas pipe line dimension repairing process is disclosed, the analogy method of the long oil/gas pipe line dimension repairing process makes complete analogue simulation animation emergency repair measure is tieed up corresponding to all different failure conditions of pipeline；Short analogue simulation analogue simulation animation, short analogue simulation analogue simulation animation splicing are made in the measure that dimension repairing is used.The process of the yard dimension repairing of a full set of long oil/gas pipe line of the analogue simulation of the present invention, dimension emergency repair measure corresponding to all different failure conditions of yard pipeline is made the analogue simulation of complete set；So that long-distance oil ＆ gas pipeline repair personnel learns to use, and short analogue simulation is made in the measure that many dimension repairings can all be used, and reference and the model that can be called are provided for the pipeline dimension repairing analogue simulation in future.
Description
Technical field
The invention belongs to long oil and gas pipeline damage repair technology field, more particularly to a kind of long oil/gas pipe line dimension repairing process
Analogy method.
Background technology
The yard of long oil and gas pipeline has various of failure, and different failure modes will all be taken different dimensions to rush to repair and be arranged
Apply.China has theoretical research to a variety of failure conditions, but does not carry out the tool of respective dimension repairing for each failure conditions
Body is studied, all not a set of specific practicalities and complete yard dimension emergency repair measure prediction scheme.Although China grows defeated now
The theoretical research of oil-gas pipeline dimension repairing is more ripe, but without the specific research for implementation process.
In summary, the problem of prior art is present be：The research failed for the yard of long-distance transport pipes is limited to theory and ground
Study carefully, do not study the concrete measure of the dimension repairing of yard failure.Consultant can not be allowed to understand long-distance transport pipes according to existing research
Yard failure after how dimension repairing is carried out to it.
The content of the invention
The problem of existing for prior art, the invention provides a kind of simulation side of long oil/gas pipe line dimension repairing process
Method.
The present invention is achieved in that a kind of analogy method of long oil/gas pipe line dimension repairing process, it is characterised in that institute
The analogy method for stating long oil/gas pipe line dimension repairing process is done emergency repair measure is tieed up corresponding to all different failure conditions of yard
Into complete analogue simulation；Short analogue simulation, short analogue simulation splicing are made in the measure that dimension repairing is used.
Another object of the present invention is to provide a kind of length of the analogy method of the long oil/gas pipe line dimension repairing process
Oil/gas pipe line ties up the simulation system of repairing process, and the simulation system of the long oil/gas pipe line dimension repairing process includes：
Virtual pipe system, for realizing accident process pipe, standby process pipe, accident treatment point and the mould of yard
Intend；
Emulating operating system, find that accident point, axial flow blower are purged to accident treatment point, use combustible gas for realizing
Body detector is set up a cordon to being detected around accident, to accident treatment point, command car of speedily carrying out rescue work, pick up, self-unloading are hung, nitrogen
Car rushes for scene；Dimension is carried out to accident point and rushes to repair operation, after accident dimension repairing process safety terminates, clears up and recovers construction now
, confirmation meets HSE regulations.
Further, the virtual pipe system is by accident process pipe, standby process pipe, accident treatment point and yard structure
Into；
The yard is included into appearance road, other pipelines and miscellaneous equipment；
The accident process pipe includes flange, valve, pressure gauge；
The standby process pipe includes flange, valve, pressure gauge.
Another object of the present invention is to provide a kind of analogy method that repairing process is tieed up using the long oil/gas pipe line
Station in the dimension emergency repair method that leaks of the flange that is connected with main line, what the flange being connected with main line in the station leaked
Dimension emergency repair method includes：Flange closes accident pipeline section upstream and downstream valve after having natural gas leaking；Accident pipeline is vented
Processing；Different emulation is taken to tie up emergency repair measure according to different operating modes.
Further, the operating mode includes：
(1) flange seal part damages, and removes connecting bolt, removes flange damage seal, intact seal surface is smeared close
Oil sealing is placed among flange sealing surface and adjusted placed in the middle；Carry out bolt fastening；
(2) flange material or welding bead defect, note nitrogen car is attached with accident pipeline section, after combustible gas Physical examination car result is qualified
Confirm positive pressure of nitrogen injection guard mode；Corresponding welding procedure is selected, repair welding is carried out to leak point, defect point, if defect is tight
Weight, it is impossible to repair and solve then to carry out changing pipe operation, the concrete operations that accident pipeline section is changed are referring to changing pipe analogue simulation；
(3) seal need not be changed, spanner is tapped with hydraulic torque spanner fastening or heavy sleeve barrel tool, according to diagonal original
3-4 is then divided to be fastened successively to each bolt by the same way all over bolt fastening is completed；
(4) meet that flange leak-stopping clamp installation requirement then takes the measure of mounting fixture, cleaning leakage flange axial outer end
Face, the installation of flange leak-stopping clamp is directly carried out to accident flange, flange seal sky is completed using greasing supply after installation
Between encapsulant filling, the different dimensionals of different fixtures rushes to repair process referring to fixture leak stopping analogue simulation.
Another object of the present invention is to provide a kind of analogy method that repairing process is tieed up using the long oil/gas pipe line
The dimension repairing operating method that leaks of yard pipeline, dimension that the yard pipeline leaks, which rushes to repair operating method, to be included：
(1) size of pipeline axial location, ovality and pipe leakage point meets fixture requirement, is carried out using fixture
Repairing, the different dimensional of different fixtures rush to repair process referring to fixture leak stopping analogue simulation；
(2) when can not use fixture reparation, rushed to repair using the operational method for changing failure pipeline, accident pipeline section is changed
Concrete operations referring to changing pipe analogue simulation.
Another object of the present invention is to provide a kind of analogy method that repairing process is tieed up using the long oil/gas pipe line
Pipe-line block defective valve dimension repairing operating method, the pipe-line block defective valve dimension repairing operating method：
Block valve for welding valve, can not directly change failure block valve, by after block valve and the pipe nipple pipeline precast at both ends to fail valve
Door is changed, and the concrete operations that accident pipeline section is changed are referring to changing pipe analogue simulation.
Another object of the present invention is to provide a kind of analogy method that repairing process is tieed up using the long oil/gas pipe line
Fixture leak stopping analogue simulation operating method, the fixture leak stopping analogue simulation operating method includes：
(1) opposite opened fixture leak stopping, anticorrosive coat is removed, fixture is lifted to leak point, and there is special messenger commander to hang
Industry is pretended, lifting operation need to take appointment with certificate, mounting fixture；
(2) wooden wedge leak stopping, tiger's jaw clamp wooden wedge, are inserted into leak point, in wooden wedge overcoat top nut, and nut and
Pipeline is welded together, and head on wooden wedge with bolt twists inward；
(3) cavity drainage jig leak stopping, using wooden wedge leak stopping, by ground of the cavity drainage jig fixed to pipe leakage
Side, and the oil that will leak out with drainage tube is drawn；
(4) flexible chucking tools leak stopping, leakage point make the black portions of flexible chucking tools block letting out for pipeline when installing flexible chucking tools
At dew, both sides are tightened with spanner.
Another object of the present invention is to provide a kind of analogy method that repairing process is tieed up using the long oil/gas pipe line
Petroleum pipeline change pipe analogue simulation operating method, the petroleum pipeline, which changes pipe analogue simulation operating method, to be included：Change Guan Qianxu
Place is chosen in accident point and excavates collection oil pit by through hole, and plastic cloth of draining the oil is laid in collection oil pit by through hole；Leak point oil product is entered by oil extraction equipment
Row continues oil extraction, carries out closure and changes pipe；
(1) online plugging changes pipe, anti-piston ring is welded before and after replacement section is needed, side connects threeway, closure threeway and
Balance pipe pipe nipple；Balance pipe is opened after installing tapping machine；Break a seal plug-hole and by-pass prot；Sandwich valve is closed after ending hole and then is installed
Plugging device and bypass pipe, pipeline is blocked by plugging device, in plugging leather cup relative duct size straight weld before closure
Position processes groove, checks closure seal, carries out non-stop plugging experiment and checks pressure simultaneously；Closure pipe is discharged using balance pipe
Oil product in section, and enter line replacement using nitrogen, then pipeline section is cut；At damaged pipeline section position Duo Paji road junctions, release
Pipe stress, installation butter wall is blocked after success Pipe Cutting；Welded and installed well opens balance pipe drainage, solution after new pipeline section successively
Except closure, installation closure plug, mounting flange blind plate and pipeline corrosion protection；
(2) pipe is changed in stopping transportation closure, closes sandwich valve after ending hole and then installs plugging device, pipeline shutdown, confirms pressure
After stable, then lower plugging device；Pipeline is blocked by plugging device, in plugging leather cup relative duct size straight weld before closure
Position processing groove, check closure seal, carry out the stifled experiment of no press seal.
Another object of the present invention is to provide a kind of analogy method that repairing process is tieed up using the long oil/gas pipe line
Natural gas change pipe analogue simulation operating method, the natural gas, which changes pipe analogue simulation operating method, to be included：
(1) close accident pipeline section block valve, open valve chamber interior conduit by-passing valve, accident pipeline section natural gas is along exhausting pipeline stream
Igniting emptying is carried out to emptying tower, the end of job is vented after column overhead fray-out of flame is vented, notes the admission of nitrogen car and with noting nitrogen pipe
Connection, open note nitrogen mouth valve and start to note nitrogen, gas in pipelines is diffused by diffusion mouth, through in detection of natural gas instrument measurement pipeline
Natural Gas content closes valve when being less than 1%, completes note nitrogen；
(2) accident pipeline section is carried out changing pipe operation, while place purged with explosion-proof axial flow fan, with casing knife to pipeline section
Pipe Cutting is carried out, removes accident pipeline section, closure operation is carried out to pipeline with butter wall or foam wall, then it is laggard to pipeline progress demagnetization
The weld job of the new pipeline section of row, the anticorrosive coat of new pipeline section is installed after the completion of welding；
(3) pipeline section is carried out noting nitrogen group job, nitrogen enters valve chamber pipe network, the gas in pipeline is put by diffusion mouth
Dissipate, complete note nitrogen when being less than 1% through the oxygen content in oxygen content detector measurement pipeline, close nitrogen injecting valua door, shutoff valve
Indoor bypath valve, block valve is opened, recover ventilation, detect intact and gas-tight at displacement pipeline section, live natural gas
After Concentration Testing is qualified, explosion-proof axial flow fan is removed, removes isolation strip, natural gas changes pipe operation and completed.
Advantages of the present invention and good effect are：The process of a full set of long oil/gas pipe line dimension repairing of analogue simulation, pipe
Dimension emergency repair measure makes the analogue simulation animation of complete set corresponding to all different failure conditions in road；Repairing will much be tieed up all
Short analogue simulation animation is made in the measure that can be used, convenient that splicing is called when there is New Measure in future.
Brief description of the drawings
Fig. 1 is the analogy method flow chart of long oil/gas pipe line dimension repairing process provided in an embodiment of the present invention.
Fig. 2 is that Leaking Simulation simulation schematic diagram occurs for the flange being connected in station provided in an embodiment of the present invention with main line.
Fig. 3 is that Leaking Simulation simulation schematic diagram occurs for the flange being connected in station provided in an embodiment of the present invention with branch line.
Fig. 4 is that Leaking Simulation simulation schematic diagram occurs for station gut line provided in an embodiment of the present invention.
Fig. 5 is block valve for pipeline failure simulation simulation schematic diagram provided in an embodiment of the present invention.
Fig. 6 is fixture leak stopping analogue simulation schematic diagram provided in an embodiment of the present invention.
Fig. 7 is that petroleum pipeline provided in an embodiment of the present invention changes pipe analogue simulation schematic diagram.
Fig. 8 is that natural gas provided in an embodiment of the present invention changes pipe analogue simulation schematic diagram.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
The application principle of the present invention is explained in detail below in conjunction with the accompanying drawings.
As shown in figure 1, the analogy method of long oil/gas pipe line dimension repairing process provided in an embodiment of the present invention is including following
Step：
S101：The species of the yard dimension repairing of long oil/gas pipe line is determined according to case history；
S102：Write out corresponding dimension repairing script respectively for variety classes；
S103：Analogue simulation model is created by 3dmax according to script；
S104：The sequence that 3dmax is created is posted on the addition being adjusted in AE with letter；
S105：Each analogue simulation video carries out splicing synthesis by Pro；
S106：Complete analogue simulation is made emergency repair measure is tieed up corresponding to all different failure conditions of yard.
The application principle of the present invention is further described with reference to specific embodiment.
Pipe simulating simulation system provided in an embodiment of the present invention includes virtual pipe system and emulating operating system, virtually
Pipe-line system is made up of accident process pipe, standby process pipe, accident treatment point and yard, yard include into appearance road,
Other pipelines and miscellaneous equipment, accident process pipe include flange, valve, pressure gauge, and standby process pipe includes flange, valve
Door, pressure gauge；Emulating operating system includes findings that accident point, axial flow blower are purged to accident treatment point, use fuel gas
Detector is set up a cordon to being detected around accident, to accident treatment point, command car of speedily carrying out rescue work, pick up, self-unloading are hung, nitrogen car
Scene is rushed for, in addition to engineering first-aid repair car, other vehicles will be easy to the place of evacuation by delimitation parking stall away from danger zone
Park recovery vehicle, it is necessary to install flash hider on request, dimension repairing operation, accident dimension repairing process are then carried out to accident point
After safety terminates, clear up and recover job site, confirmation meets HSE regulations.
The common failure situation of yard has：Leakage occurs for the flange being connected in standing with main line, the interior method being connected with branch line of standing
Leakage occurs for orchid, leakage occurs for gut line of standing, block valve for pipeline failure.
The dimension repairing operating process that the flange being connected in standing with main line leaks：It was found that after flange has natural gas leaking
Accident pipeline section upstream and downstream valve is closed immediately, and emptying processing then is carried out to accident pipeline, then taken according to different operating modes
Different emulation dimension emergency repair measures, operating mode one are damaged if flange seal part, i.e. flange fastener non-corroding, aging character, and
Sealing part works form is mostly metal wound gasket or asbestos pad, there is obvious corrosion, a disrepair phenomenon, at the same body, equipment, flange and
Steel ring pad is then changed, removes connecting bolt first, removes flange without the surface such as obvious loosening and torsional deformation in basis etc.
Seal is damaged, intact seal surface smears appropriate Seal Oil and places among flange sealing surface and adjust between two parties, finally carries out spiral shell
Bolt fastens；The defects of crackle, interlayer, sand holes, or flange be present if flange material or welding bead defect, i.e. flange material in operating mode two
There is weld defect, body, equipment, flange and basis etc. without obvious loosening and torsional deformation in welding bead, then implement to reprocess or change
New flange is installed, if defect does not seriously take repair welding to handle, nitrogen car is noted first and is attached with accident pipeline section, combustible gas physical examination
Positive pressure of nitrogen injection guard mode is confirmed after car result is qualified, then selects corresponding welding procedure, leak point, defect point are carried out
Repair welding, if defect is serious, it is impossible to repair and solve then to carry out changing pipe operation, the concrete operations that accident pipeline section is changed are referring to changing Guan Fang
True simulation；If operating mode three need not change seal, i.e., seal is mostly steel ring seal form, and outward appearance 5 shows corrosion, aging
Phenomenon, the corrosion of flange bolt 5, damage are cut, but, body, equipment, flange and basis inconsistent in the presence of loosening, Tightening moment
Loosened and torsional deformation Deng without obvious, then re-secure installation exercise after taking decompression, fastened first with hydraulic torque spanner (or
Heavy sleeve barrel tool taps spanner), divide 3-4 all over bolt fastening is completed according to diagonal principle, by the same way successively to each
Bolt is fastened；Operating mode four takes the measure of mounting fixture if flange leak-stopping clamp installation requirement is met, cleaning first is let out
Reveal flange axial outer end face, the installation of flange leak-stopping clamp is then directly carried out to accident flange, greasing is used after installation
The filling of flange sealing space encapsulant is completed in supply, and the different dimensional repairing process of different fixtures emulates mould referring to fixture leak stopping
Intend.
The dimension repairing operating process that the flange being connected in standing with branch line leaks：It was found that after flange has natural gas leaking
The valve of closing accident pipeline section is immediately passed through so as to which the valve closed accident process pipe, open standby pipeline section is standby so as to open
Process pipe, operating mode one are damaged if flange seal part, i.e. flange fastener non-corroding, aging character, and sealing part works shape
Formula is mostly metal wound gasket or asbestos pad, has obvious corrosion, disrepair phenomenon, while body, equipment, flange and basis etc. are without obvious
The surface such as loosening and torsional deformation, then change steel ring pad, removes connecting bolt first, removes flange damage seal,
Intact seal surface smears appropriate Seal Oil and places among flange sealing surface and adjust placed in the middle, finally progress bolt fastening；Operating mode
Two if flange material or welding bead defect, i.e. flange material has the defects of crackle, interlayer, sand holes, body, equipment, flange and
Basis etc. loosens and torsional deformation without obvious, then implements to reprocess or changes the new flange of installation, remove with failure flange and with event
Hinder the pipe nipple of flange connection, while carrying out pipeline section pipe nipple and the prefabricated welding of new flange outside the venue, in-site installation is checked, to prefabricated pipe
Installation is grouped after section blanking reconditioning, and the concrete operations of accident pipeline section replacing are referring to changing pipe analogue simulation；If operating mode three need not
Seal is changed, i.e., seal is mostly steel ring seal form, and outward appearance 5 shows corrosion, aging phenomenon, cuts flange bolt
5 corrosions, damage, but it is inconsistent in the presence of loosening, Tightening moment, and the nothing such as body, equipment, flange and basis is obvious to be loosened and distorts
Deformation, then installation exercise is re-secured after taking decompression, fastened first with hydraulic torque spanner (or heavy sleeve barrel tool is tapped and pulled
Hand), divide 3-4 to be fastened successively to each bolt by the same way all over bolt fastening is completed, complete dimension according to diagonal principle
Opened after repairing and repair pipeline section, close bypass technique pipeline section.
The dimension repairing operating process that yard pipeline leaks：Operating mode is as pipeline axial location, ovality and pipeline are let out
The size of leak source meets fixture requirement, then is rushed to repair using fixture, and the different dimensional of different fixtures rushes to repair process referring to card
Has leak stopping analogue simulation；If operating mode two can not use fixture reparation, rushed to repair using the operational method for changing failure pipeline,
The concrete operations that accident pipeline section is changed are referring to changing pipe analogue simulation.
Pipe-line blocks the dimension repairing operating process of defective valve：Block valve is welding valve, can not directly change failure and cut
Disconnected valve, then will change after block valve and the pipe nipple pipeline precast at both ends to defective valves, the specific behaviour that accident pipeline section is changed
Make referring to changing pipe analogue simulation.
Because fixture leak stopping analogue simulation is operated with changing pipe simulation operations as conventional dimension repairing operation, wherein changing pipe analogue simulation
It is divided into natural gas line and changes pipe analogue simulation and oil pipeline and changes pipe analogue simulation, Gu each individually save as an analogue simulation
File, splicing corresponding analogue simulation file can be directly invoked during using respective dimension emergency repair measure.
Fixture leak stopping analogue simulation operating process：The opposite opened fixture leak stopping of operating mode one, removes anticorrosive coat first, then will card
Directly over tool lifting to leak point, and there is special messenger to command lifting operation, lifting operation need to take appointment with certificate, then mounting fixture；Work
The wooden wedge leak stopping of condition two, tiger's jaw clamp wooden wedge, are quickly and accurately inserted on leak point, in wooden wedge overcoat top nut,
And nut and pipeline is welded together, finally head on wooden wedge with bolt and twist inward, the mouth being allowed to above also welds solid；Operating mode three
Cavity drainage jig leak stopping, first by wooden wedge leak stopping, then cavity drainage jig is fixed to the place of pipe leakage, and
The oil that will leak out with drainage tube is drawn；The flexible chucking tools leak stopping of operating mode four, leakage point make flexible chucking tools when installing flexible chucking tools
Black portions are blocked at the leakage of pipeline, are then tightened both sides with spanner.
Petroleum pipeline changes pipe analogue simulation operating process：Change Guan Qianxu and suitable place is chosen near accident point and is excavated and collect
Oil pit, it is ensured that leakage oil product can be imported in collection oil pit by through hole, and collection oil pit by through hole domestic demand lays plastic cloth of draining the oil, and prevent oil product from penetrating into soil, so
Leak point oil product is carried out by the oil extraction such as lobe pump equipment afterwards to continue oil extraction, then carries out closure and changes pipe, the on-line production of operating mode one envelope
It is stifled to change pipe, anti-piston ring is welded at a certain distance from needing before and after replacement section first, side connects threeway, blocks threeway and balance pipe
Pipe nipple, before welding tee, pipeline circularity and wall thickness should be strictly measured, controls the circumferential position of pipeline straight weld, operation size
There should be special messenger's calculating, specialty verification checks, the operating pressure of pipeline is reduced during welding, it is ensured that meet welding requirements, now weld
It is preferably full packages medium in the pipeline of position, balance pipe is opened after tapping machine is installed, position of opening should avoid pipeline welding, before perforate
Tapping machine, aperture combination device, cutter, which need to be adjusted, makes it ensure good overall axiality, in Tapping procedures each stage should be controlled to open
Hole speed, monitors the pressure gauge change of tapping machine and hydraulic station, and keeps the monitoring to perforate cutting, ensures institute's perforate during perforate
To the centering of pipeline, ensure bore size in place, then break a seal plug-hole and by-pass prot, before perforate, checks threeway inner chamber, ensures
The smoothness at bore seal position, close sandwich valve after ending hole and then plugging device and bypass pipe are installed, pass through plugging device
Pipeline is blocked, groove is processed in the position of plugging leather cup relative duct size straight weld before closure, closure seal is checked, enters
The experiment of row non-stop plugging checks pressure simultaneously, in strict accordance with operational procedure during closure, ensures that pipeline pressure is small without fluctuating or fluctuating
In 0.1MPa, the oil product in closure pipeline section then is discharged using balance pipe, and enters line replacement using nitrogen, then pipeline section is cut
Cut, to prevent tool damage during cutting, chock can be utilized to prevent from pressing from both sides knife, at damaged pipeline section position Duo Paji road junctions, release pipe
Road stress, installation butter wall is blocked after success Pipe Cutting, and welded and installed is well opened balance pipe drainage after new pipeline section, released successively
Closure, installation closure plug, mounting flange blind plate and pipeline corrosion protection；Pipe is changed in the closure of the stopping transportation of operating mode two, is changed different from online plugging
Pipe, close sandwich valve after ending hole and then plugging device is installed, pipeline shutdown, after confirming pressure stability, then lower closure dress
Put, pipeline is blocked by plugging device, process groove, inspection before closure in the position of plugging leather cup relative duct size straight weld
Stifled seal is closed down, carries out the stifled experiment of no press seal.
Natural gas changes pipe analogue simulation operating process：It is first shut off accident pipeline section block valve, opens valve chamber interior conduit bypass
Valve, accident pipeline section natural gas flow to emptying tower along exhausting pipeline and carry out igniting emptying, be vented after column overhead fray-out of flame is vented
The end of job, note the admission of nitrogen car and be connected with note nitrogen pipe, open note nitrogen mouth valve and start to note nitrogen, by gas in pipelines by diffusion mouth
Diffuse, close valve when being less than 1% through natural Gas content in detection of natural gas instrument measurement pipeline, note nitrogen is completed, then to accident
Pipeline section is carried out changing pipe operation, while carries out pressure purging to place with explosion-proof axial flow fan, and Pipe Cutting is carried out to pipeline section with casing knife,
Removal accident pipeline section, closure operation is carried out to pipeline with butter wall or foam wall, then new pipeline section is carried out after carrying out demagnetization to pipeline
Weld job, the anticorrosive coat of new pipeline section is installed after the completion of welding, the pipeline section is carried out noting nitrogen group job again, nitrogen enters
Enter valve chamber pipe network, the gas in pipeline is diffused by diffusion mouth, it is low through the oxygen content in oxygen content detector measurement pipeline
Note nitrogen is completed when 1%, closes nitrogen injecting valua door, the bypath valve in shutoff valve room, opens block valve, recovers ventilation, detection is put
Intact at pipeline section and gas-tight is changed, after live concentration of natural gas detection is qualified, explosion-proof axial flow fan is removed, removes isolation
Band, natural gas change pipe operation and completed.
Repairing operating process is tieed up more than, analogue simulation is carried out by 3d max, simulating scenes, root in Establishing process
Determine to emulate duration with 25 frame per second according to operating process, so as to carry out dynamic simulation scene, model is pressed and live actual size
Deng than establishing.Video camera is established in 3d max, by adjusting the far and near so as to adjusting view size and view of video camera
Angle.
Established by adjusting the color of material, transparency, glossiness, textures, dry ripple etc. in Materials Library with being actually consistent
Conventional emulation material, such as natural gas material, oil material, the material of water, the material of pipeline, the material of the stone pier, and uniformly
A material library file is saved as, the material library file is opened in emulation afterwards and is directly imparted to corresponding model.
By adding the injection of particle, particle spraying direction is upward, and natural gas material is chosen in Materials Library, will be natural
Gas material assigns particle, so as to the leakage of analogue simulation natural gas, is adjusted by adjusting the size, quantity and angle of flare of particle
The difference of the analogue simulation leakage size of gas column, height, diameter and upper and lower diameter is saved, then chooses the sky created in panel
Between distortion create a wind, the direction of wind is consistent with the wind direction that axial flow blower is blown out, and with particle progress space binding, initially
Intensity level is arranged to 0, is clicked in the latter frame number that axial flow blower is opened and opens Auto Key, and this frame intensity level is arranged to 0,
Intensity level is adjusted to 0.3 by rear 125 frame of this frame, while in the angle of flare of this frame increase particle, you can analog simulation is by axle stream
The leakage gas column that blower fan dispels.
Emulate axial flow blower to open, flabellum was rotated by 360 ° rotation with two seconds, then selected a certain frame number, opened automatic close
Key frame, and the key point at the moment is recorded, then rear 50 frame of this frame number, the blade of axial flow blower is rotated by 360 °, Ran Houjin
Enter curve editor, be relative repetition by the rotation cartoon setting of 50 frame, be then shut off Auto Key.
Again by the injection of addition particle, and oil material is chosen in Materials Library, particle spraying direction is downward, by stone
Light wood matter assigns particle, and so as to the leakage of analogue simulation oil, by adjusting the size of particle, quantity is let out to adjust analogue simulation
Reveal the size and speed of oil droplet.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. analogy method of long oil/gas pipe line dimension repairing process, it is characterised in that the long oil/gas pipe line dimension repairing The analogy method of process makes complete analogue simulation emergency repair measure is tieed up corresponding to all different failure conditions of yard；Dimension is robbed Repair the measure used and make short analogue simulation, short analogue simulation splicing.
- A kind of 2. long oil/gas pipe line dimension repairing of the analogy method of oil/gas pipe line dimension repairing process long as claimed in claim 1 The simulation system of process, it is characterised in that the simulation system of the long oil/gas pipe line dimension repairing process includes：Virtual pipe system, for realizing accident process pipe, standby process pipe, accident treatment point and the simulation of yard；Emulating operating system, find that accident point, axial flow blower are purged to accident treatment point, with combustible gas physical examination for realizing Survey that instrument is set up a cordon to being detected around accident, to accident treatment point, command car of speedily carrying out rescue work, pick up, self-unloading is hung, nitrogen car is caught up with Toward scene；Dimension repairing operation is carried out to accident point, after accident dimension repairing process safety terminates, clears up and recovers job site, really Recognize and meet HSE regulations.
- 3. the simulation system of the long oil/gas pipe line dimension repairing process of analogy method as claimed in claim 2, its feature exist In the virtual pipe system is made up of accident process pipe, standby process pipe, accident treatment point and yard；The yard is included into appearance road, other pipelines and miscellaneous equipment；The accident process pipe includes flange, valve, pressure gauge；The standby process pipe includes flange, valve, pressure gauge.
- 4. it is connected in a kind of station for the analogy method for tieing up repairing process using long oil/gas pipe line described in claim 1 with main line The dimension emergency repair method that flange leaks, it is characterised in that the dimension repairing that the flange being connected in the station with main line leaks Method includes：Flange closes accident pipeline section upstream and downstream valve after having natural gas leaking；Emptying processing is carried out to accident pipeline；Root Different emulation is taken to tie up emergency repair measure according to different operating modes.
- 5. the dimension emergency repair method that the flange being connected in station as claimed in claim 4 with main line leaks, it is characterised in that The operating mode includes：(1) flange seal part damages, and removes connecting bolt, removes flange damage seal, and intact seal surface smears Seal Oil Place among flange sealing surface and adjust placed in the middle；Carry out bolt fastening；(2) flange material or welding bead defect, note nitrogen car are attached with accident pipeline section, are confirmed after combustible gas Physical examination car result is qualified Positive pressure of nitrogen injects guard mode；Corresponding welding procedure is selected, repair welding is carried out to leak point, defect point, if defect is serious, no It can repair and solve then to carry out changing pipe operation, the concrete operations that accident pipeline section is changed are referring to changing pipe analogue simulation；(3) seal need not be changed, spanner is tapped with hydraulic torque spanner fastening or heavy sleeve barrel tool, according to diagonal principle point 3-4 fastens to each bolt successively by the same way all over bolt fastening is completed；(4) meet that flange leak-stopping clamp installation requirement then takes the measure of mounting fixture, flange axial outer end face is revealed in cleaning, directly The installation that flange leak-stopping clamp is carried out to accident flange is connect, completing flange sealing space using greasing supply after installation seals The filling of material, the different dimensional of different fixtures rush to repair process referring to fixture leak stopping analogue simulation.
- 6. a kind of yard pipeline for the analogy method for tieing up repairing process using long oil/gas pipe line described in claim 1 leaks Dimension repairing operating method, it is characterised in that dimension that the yard pipeline leaks, which rushes to repair operating method, to be included：(1) size of pipeline axial location, ovality and pipe leakage point meets fixture requirement, enters to rob using fixture Repair, the different dimensional of different fixtures rushes to repair process referring to fixture leak stopping analogue simulation；(2) when can not use fixture reparation, rushed to repair using the operational method for changing failure pipeline, the tool that accident pipeline section is changed Gymnastics is made referring to changing pipe analogue simulation.
- 7. a kind of pipe-line block valve for the analogy method that repairing process is tieed up using long oil/gas pipe line described in claim 1 is lost The dimension repairing operating method of effect, it is characterised in that the pipe-line blocks the dimension repairing operating method of defective valve：Block valve is Valve is welded, can not directly change failure block valve, defective valves will be carried out more after block valve and the pipe nipple pipeline precast at both ends Change, the concrete operations that accident pipeline section is changed are referring to changing pipe analogue simulation.
- A kind of 8. fixture leak stopping analogue simulation for the analogy method that repairing process is tieed up using long oil/gas pipe line described in claim 1 Operating method, it is characterised in that the fixture leak stopping analogue simulation operating method includes：(1) opposite opened fixture leak stopping, anticorrosive coat is removed, fixture is lifted to leak point, and there is special messenger to command lifting to make Industry, lifting operation need to take appointment with certificate, mounting fixture；(2) wooden wedge leak stopping, tiger's jaw clamp wooden wedge, are inserted into leak point, in wooden wedge overcoat top nut, and nut and pipeline It is welded together, head on wooden wedge with bolt and twist inward；(3) cavity drainage jig leak stopping, using wooden wedge leak stopping, cavity drainage jig is fixed to the place of pipe leakage, and The oil that will leak out with drainage tube is drawn；(4) flexible chucking tools leak stopping, leakage point make the black portions of flexible chucking tools block at the leakage of pipeline when installing flexible chucking tools, Both sides are tightened with spanner.
- 9. a kind of petroleum pipeline for the analogy method for tieing up repairing process using long oil/gas pipe line described in claim 1 changes pipe emulation Simulated operation method, it is characterised in that the petroleum pipeline, which changes pipe analogue simulation operating method, to be included：Guan Qianxu is changed in accident point Choose place and excavate collection oil pit by through hole, plastic cloth of draining the oil is laid in collection oil pit by through hole；Leak point oil product is carried out by oil extraction equipment to continue row Oil, carry out closure and change pipe；(1) online plugging changes pipe, anti-piston ring is welded before and after replacement section is needed, side connects threeway, blocks threeway and balance Hole pipe nipple；Balance pipe is opened after installing tapping machine；Break a seal plug-hole and by-pass prot；Sandwich valve is closed after ending hole and then closure is installed Device and bypass pipe, pipeline is blocked by plugging device, in the position of plugging leather cup relative duct size straight weld before closure Groove is processed, checks closure seal, non-stop plugging experiment is carried out and checks pressure simultaneously；Discharged using balance pipe in closure pipeline section Oil product, and enter line replacement using nitrogen, then pipeline section is cut；At damaged pipeline section position Duo Paji road junctions, pipeline is discharged Stress, installation butter wall is blocked after success Pipe Cutting；Welded and installed well opens balance pipe drainage after new pipeline section, releases envelope successively Stifled, installation closure plug, mounting flange blind plate and pipeline corrosion protection；(2) pipe is changed in stopping transportation closure, closes sandwich valve after ending hole and then installs plugging device, pipeline shutdown, confirms pressure stability Afterwards, then lower plugging device；Pipeline is blocked by plugging device, in the position of plugging leather cup relative duct size straight weld before closure Processing groove is put, checks closure seal, carries out the stifled experiment of no press seal.
- 10. a kind of natural gas for the analogy method for tieing up repairing process using long oil/gas pipe line described in claim 1 changes pipe emulation Simulated operation method, it is characterised in that the natural gas, which changes pipe analogue simulation operating method, to be included：(1) close accident pipeline section block valve, open valve chamber interior conduit by-passing valve, accident pipeline section natural gas is put along exhausting pipeline flow direction Void tower carries out igniting emptying, and the end of job is vented after column overhead fray-out of flame is vented, and notes the admission of nitrogen car and is connected with note nitrogen pipe, Open note nitrogen mouth valve to start to note nitrogen, gas in pipelines is diffused by diffusion mouth, through natural in detection of natural gas instrument measurement pipeline Gas content closes valve when being less than 1%, complete note nitrogen；(2) accident pipeline section is carried out changing pipe operation, while place purged with explosion-proof axial flow fan, pipeline section is carried out with casing knife Pipe Cutting, accident pipeline section is removed, closure operation is carried out to pipeline with butter wall or foam wall, then carried out newly after carrying out demagnetization to pipeline The weld job of pipeline section, the anticorrosive coat of new pipeline section is installed after the completion of welding；(3) pipeline section being carried out noting nitrogen group job, nitrogen enters valve chamber pipe network, the gas in pipeline is diffused by diffusion mouth, Note nitrogen is completed when being less than 1% through the oxygen content in oxygen content detector measurement pipeline, nitrogen injecting valua door is closed, in shutoff valve room Bypath valve, open block valve, recover ventilation, detection displacement pipeline section at intact and gas-tight, live concentration of natural gas Detect it is qualified after, remove explosion-proof axial flow fan, remove isolation strip, natural gas changes pipe operation and completed.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735076A (en) * | 2018-07-17 | 2018-11-02 | 中石化石油工程技术服务有限公司 | A kind of non-stop plugging test simulation platform and its test method |
| CN111946923A (en) * | 2020-07-03 | 2020-11-17 | 济南轨道交通集团有限公司 | Pipeline opening sealing device and construction method for migrating and modifying gas main pipeline |
| CN112361224A (en) * | 2020-10-21 | 2021-02-12 | 中国石油化工股份有限公司 | Intelligent generation method of oil and gas pipeline emergency repair scheme driven by SPN method |
| CN113932723A (en) * | 2021-08-30 | 2022-01-14 | 北京市南水北调环线管理处 | Method for releasing valve stress |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267530A (en) * | 2013-04-27 | 2013-08-28 | 青岛科技大学 | Path planning method for best times of pipeline emergency repair |
| CN204629095U (en) * | 2014-12-24 | 2015-09-09 | 中国海洋石油总公司 | A kind of pipeline dimension damage repair technology pilot system |
| CN205176280U (en) * | 2015-11-24 | 2016-04-20 | 湖南大麓科技有限公司 | Pipeline restores command system |
| CN105679136A (en) * | 2016-03-11 | 2016-06-15 | 国家电网公司 | Power distribution network fault rush-repairing process simulation system and implementation method thereof |
| CN206097678U (en) * | 2016-05-13 | 2017-04-12 | 深圳市艺博堂环境艺术工程设计有限公司 | Gas pipeline leaks simulation exhibition of restoreing item |
| KR101739871B1 (en) * | 2015-12-24 | 2017-05-25 | 주식회사 포스코 | Simulation device of low temperature gas storage tank |
-
2017
- 2017-11-13 CN CN201711117862.2A patent/CN107654789B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267530A (en) * | 2013-04-27 | 2013-08-28 | 青岛科技大学 | Path planning method for best times of pipeline emergency repair |
| CN204629095U (en) * | 2014-12-24 | 2015-09-09 | 中国海洋石油总公司 | A kind of pipeline dimension damage repair technology pilot system |
| CN205176280U (en) * | 2015-11-24 | 2016-04-20 | 湖南大麓科技有限公司 | Pipeline restores command system |
| KR101739871B1 (en) * | 2015-12-24 | 2017-05-25 | 주식회사 포스코 | Simulation device of low temperature gas storage tank |
| CN105679136A (en) * | 2016-03-11 | 2016-06-15 | 国家电网公司 | Power distribution network fault rush-repairing process simulation system and implementation method thereof |
| CN206097678U (en) * | 2016-05-13 | 2017-04-12 | 深圳市艺博堂环境艺术工程设计有限公司 | Gas pipeline leaks simulation exhibition of restoreing item |
Non-Patent Citations (2)
| Title |
|---|
| 中国石油天然气第七建设公司教育培训中心: "《油气管线安装工技师培训教程》", 31 July 2007 * |
| 康凯等: "埋地热油管道开挖修复停输再启动过程热力模拟", 《科学技术与工程》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735076A (en) * | 2018-07-17 | 2018-11-02 | 中石化石油工程技术服务有限公司 | A kind of non-stop plugging test simulation platform and its test method |
| CN111946923A (en) * | 2020-07-03 | 2020-11-17 | 济南轨道交通集团有限公司 | Pipeline opening sealing device and construction method for migrating and modifying gas main pipeline |
| CN112361224A (en) * | 2020-10-21 | 2021-02-12 | 中国石油化工股份有限公司 | Intelligent generation method of oil and gas pipeline emergency repair scheme driven by SPN method |
| CN113932723A (en) * | 2021-08-30 | 2022-01-14 | 北京市南水北调环线管理处 | Method for releasing valve stress |
| CN113932723B (en) * | 2021-08-30 | 2024-01-19 | 北京市南水北调环线管理处 | Valve stress release method |
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