CN105782569A - Shale gas conveying pipeline system - Google Patents
Shale gas conveying pipeline system Download PDFInfo
- Publication number
- CN105782569A CN105782569A CN201610219915.0A CN201610219915A CN105782569A CN 105782569 A CN105782569 A CN 105782569A CN 201610219915 A CN201610219915 A CN 201610219915A CN 105782569 A CN105782569 A CN 105782569A
- Authority
- CN
- China
- Prior art keywords
- shale gas
- gas pipeline
- support member
- layer
- laminating
- 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.)
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Classifications
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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
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/02—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets partly surrounding the pipes, cables or protective tubing
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Pipeline Systems (AREA)
Abstract
The invention discloses a shale gas conveying pipeline system. The shale gas conveying pipeline system comprises a shale gas pipeline leakage preventing section, and is characterized in that the two ends of the shale gas pipeline leakage preventing section are arranged and fixed through installing supports, a damping installing structure is formed, and a leakage detecting structure is further arranged outside the shale gas pipeline leakage preventing section. The shale gas conveying pipeline system has the beneficial effects that the structure is simple, the damping effect can be improved so as to prevent leakage, when leakage happens, the pipeline leakage situation can be rapidly and accurately reflected so that rapid leakage repairing can be convenient, and safety is improved.
Description
Technical field
The present invention relates to a kind of shale gas pipeline system field, be specifically related to a kind of shale gas pipeline system.
Background technology
Shale gas refer to contain inRammellIt is available for the natural gas resource of exploitation, is a kind of emerging clean energy resource, China's shale gas rich reserves, have a extensive future.
In course of conveying after shale gas is exploited, owing to shale gas is in the air pressure unstability of recovery process, generally all adopting high-pressure delivery in course of conveying, various factors all can cause the vibration of pipeline in addition.Mainly include air-column inherent frequency, machinery natural frequency, gas and liquid hammer and vibrate the pipe vibration caused, and the direction that gas pipeline is when vibration is uncertain.
Existing shale gas Pipe installing is usually and adopts the structure of similar anchor ear device to be directly anchored on installing rack, and damping effect is poor, and life-time service is easily caused pipeline and is revealed by jerk for a long time.Particularly some service lifes are longer, comparatively aging duct section, if because a variety of causes causes leakage, then the leakage of shale gas not only being caused to waste, and easily cause explosion accident.And after shale gas pipeline produces leakage, also be difficult to quickly judge leak position by perusal, therefore the detection that how can realize the leakage situation of shale gas pipeline better judges, ensures safety with fast and easy mending-leakage, becomes and have considered problem.
Summary of the invention
For above-mentioned the deficiencies in the prior art, the technical problem to be solved is: how to provide a kind of simple in construction, damping effect can be improved in case stopping leak reveals, pipe leakage situation can be reflected rapidly and accurately after revealing generation, with fast and easy mending-leakage, improve the shale gas pipeline system of safety.
In order to solve above-mentioned technical problem, present invention employs following technical scheme:
A kind of shale gas pipeline system, including shale gas pipeline anti-leak section, it is characterised in that shale gas pipeline anti-leak section two ends are installed fixing by mounting bracket and constitute damping installation structure, are additionally provided with leak detection structure outside shale gas pipeline anti-leak section.
So, on the weathered easy shale gas pipeline producing leakage, after the structure of the present invention is set, damping installation structure can slow down the vibratory impulse of shale gas pipeline, being better protected from the statement of leakage, leak detection structure can quickly detect leak position, carries out Rapid leakage repairing to facilitate.
As optimization, mounting bracket is provided with around shale gas pipeline at least two laminating support member circumferentially, laminating support member side for and the laminating of shale gas pipe surface realizes the support of shale gas pipeline is fixed and this side surface is provided with elastic shock attenuation layer.
In such manner, it is possible to the elastic shock attenuation layer by support member of fitting realizes the laminating of shale gas pipeline is supported, play damping effect by its elasticity, prolongation pipeline service life.
As optimization, described laminating support member is three and is evenly arranged around shale gas pipeline circumference.
So, improve support steadiness and improve the damping effect of shale gas pipeline peripheral surface all directions.
As optimization, described laminating support member is concave surface roller, and concave surface roller circumferential exterior surface arranges described elastic shock attenuation layer, and its circumferential exterior surface indent radian is consistent with the laminating of shale gas pipe surface radian.
As such, it is possible to laminating is conveniently installed in the rolling by concave surface roller, and the vibration at axis direction of the shale gas pipeline can be cut down better, improve shock-absorbing protecting effect better.
As optimization, described mounting bracket includes the bracket base being arranged at lower section of a horizontal tabular, bracket base upper surface middle part sets up bottom laminating support member mounting bracket and for installing a laminating support member being positioned at shale gas duct bottom, and bracket base upper surface both sides each set up sidepiece laminating support member mounting bracket and respectively for installing a laminating support member being positioned at shale gas pipeline sidepiece.
So, mounting support structure is simple, and arranging of bracket base facilitates self installation to connect, and the installation being simultaneously capable of shale gas duct bottom and both sides at least three laminating support member is fixed, and improves and installs support reliability.
As optimization, described bottom laminating support member mounting bracket includes a lower connecting plate and a upper junction plate, can slide up and down between lower connecting plate upper end and upper junction plate lower end fasten and arrange and cooperatively form a fastening inner chamber, fasten in inner chamber and be provided with the helical spring in compressive state, helical spring two ends each are attached on lower connecting plate and upper junction plate, and upper junction plate upper end connects up support member fixed mount for being positioned at the laminating support member of shale gas duct bottom.
So, the laminating support member of shale gas duct bottom can also be provided the elastic force upwards compressed by bottom laminating support member mounting bracket self, better assures that support and damping effect.
As optimization, described helical spring is many groups be set up in parallel.As such, it is possible to provide elastic force and better ensure that stability of strutting system better.
As optimization, described sidepiece laminating support member mounting bracket includes one and installs rocking arm, install and inwardly connect support member fixed mount inside rocking arm upper end for being positioned at the laminating support member of shale gas pipeline sidepiece, installing rocking arm lower end be rotatably connected on bracket base and be provided with torque spring, torque spring acts on bracket base and installs between rocking arm and for installing the torque that rocking arm applies to make its upper end inwardly rotate.
So, the laminating support member of shale gas pipeline sidepiece can also be provided the compression elastic force of an inside lower section by installing the torque spring on rocking arm, better assure that support and damping effect.
As optimization, described installation rocking arm includes a vertical section being positioned at bottom and the superposed intilted section of being folded to.
So, installation and its angle of facilitating the laminating support member of shale gas pipeline sidepiece are beneficial to the laminating support surface of sidepiece and the laminating damping of shale gas tube-surface.
As optimization, described laminating support member peripheral surface is provided with elastomeric material and constitutes elastic shock attenuation layer.There is with low cost and good damping effect advantage.
As optimization, leak detection structure includes being positioned at described shale gas pipeline external surface and encloses the one layer of water expander layer prepared by the water-swellable material that can absorb water and force outward expansion after meeting water set, and water expander layer is outside equipped with one layer of damp-proof layer.
So, after there is leakage in shale gas pipeline use procedure, owing to shale gas all can exist a small amount of steam, therefore after the shale gas ejection of leakage part, the water-swellable material water suction of correspondence position can produce dilatancy and outwards swell, therefore just can see concrete leakage part intuitively by the protuberance situation on pipeline, and then conveniently carry out mending-leakage maintenance pointedly.
As optimization, damp-proof layer is moisture-proof film.So, moisture-proof film is with low cost, and moisture effect is good and thin film self has elasticity, without influence on the protuberance of water expander layer.
As optimization, described water expander layer is that hydro-expansive rubber is made.Have with low cost, the advantages such as water-swellable is effective；Hydro-expansive rubber self has certain elasticity simultaneously, is arranged on outside shale gas pipeline, may also operate as the effect of shock-absorbing protecting at ordinary times.
As optimization, it is provided with support frame outside described shale gas pipeline and between water expander layer and constitutes casing play and separate outer for shale gas pipeline with water expander layer.
So, water expander layer is separated, it is to avoid be directly compromised gas bursting and result in protuberance inconspicuous.Outer for shale gas pipeline and water expander layer so separate formation space can also conveniently hold the gas leaked out and avoid the waste that leaks simultaneously, be also beneficial to that arranging pops one's head in detects and conveniently recycle simultaneously.
As optimization, described casing play closed at both ends formula designs and constitutes a cell cube, is also embedded with guide pipeline in casing play, and guide pipeline is provided with gas port, and guide pipeline one end connects casing play and connects an air collector.
So, when pipeline leaks gas, the gas leaked out can enter into air collector by gas port from guide pipeline, it is achieved reclaims, it is to avoid waste.Can also being connected in multiple cell cube and share by a guide pipeline further, described gas port quantity in each cell cube, no less than one, is achieved in that one-object-many-purposes, raising air collector utilization rate.
As optimization, the gas port place of described guide pipeline is additionally provided with for controlling gas toward the check valve of one-way flow in guide pipeline.So, the convenient gas leakage one-way flow that controls enters in air collector, it is to avoid reversely flow backwards.
As optimization, in described casing play, it is additionally provided with the probe that can detect shale gas, pops one's head in and be connected with the monitoring system being positioned at outside casing play.As such, it is possible to leakage situation detected by monitoring system further, it is possible to judge that leakage pipe section general location is to facilitate maintenance by probe positions.Monitoring system can arrange alarm device and carry out alarm.Can also arranging air intake pump further on air collector, air intake pump controls end and is connected with monitoring system so that can actively open air intake pump after monitoring leakage and suck the shale gas leaked out, it is to avoid waste.
In sum, the present invention has simple in construction, it is possible to increase damping effect, in case stopping leak dew, can reflect pipe leakage situation rapidly and accurately after revealing generation, with fast and easy mending-leakage, improves the advantages such as safety.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the mounting bracket adopted in the present invention.
Fig. 2 is for showing the transverse sectional view of the leak detection structure outside shale gas pipeline anti-leak section in the present invention.
Fig. 3 is for showing the longitudinal section sectional view of the leak detection structure outside shale gas pipeline anti-leak section in the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Optimum embodiment: as Figure 1-3, a kind of shale gas pipeline system, including shale gas pipeline anti-leak section, shale gas pipeline anti-leak section two ends are installed fixing by mounting bracket and constitute damping installation structure, are additionally provided with leak detection structure outside shale gas pipeline anti-leak section.
Wherein, mounting bracket is provided with around shale gas pipeline at least two laminating support member 9 ' circumferentially, laminating support member 9 ' side for and the laminating of shale gas pipe surface realizes the support of shale gas pipeline is fixed and this side surface is provided with elastic shock attenuation layer 11 '.
In such manner, it is possible to the elastic shock attenuation layer by support member of fitting realizes the laminating of shale gas pipeline is supported, play damping effect by its elasticity, prolongation pipeline service life.
Wherein, described laminating support member 9 ' is three and is evenly arranged around shale gas pipeline circumference.So, improve support steadiness and improve the damping effect of shale gas pipeline peripheral surface all directions.
Wherein, described laminating support member 9 ' is concave surface roller, and concave surface roller circumferential exterior surface arranges described elastic shock attenuation layer, and its circumferential exterior surface 10 ' indent radian is consistent with the laminating of shale gas pipe surface radian.As such, it is possible to laminating is conveniently installed in the rolling by concave surface roller, and the vibration at axis direction of the shale gas pipeline can be cut down better, improve shock-absorbing protecting effect better.
Wherein, described mounting bracket includes the bracket base 1 ' being arranged at lower section of a horizontal tabular, bracket base 1 ' upper surface middle part sets up bottom laminating support member mounting bracket 2 ' and for installing a laminating support member being positioned at shale gas duct bottom, and bracket base 1 ' upper surface both sides each set up sidepiece laminating support member mounting bracket 3 ' and respectively for installing a laminating support member being positioned at shale gas pipeline sidepiece.
So, mounting support structure is simple, and arranging of bracket base facilitates self installation to connect, and the installation being simultaneously capable of shale gas duct bottom and both sides at least three laminating support member is fixed, and improves and installs support reliability.
Wherein, described bottom laminating support member mounting bracket 2 ' includes a lower connecting plate 5 ' and a upper junction plate 7 ', can slide up and down between lower connecting plate 5 ' upper end and upper junction plate 7 ' lower end fasten and arrange and cooperatively form a fastening inner chamber, fasten in inner chamber and be provided with the helical spring 6 ' in compressive state, helical spring 6 ' two ends each are attached on lower connecting plate 5 ' and upper junction plate 7 ', and upper junction plate 7 ' upper end connects up support member fixed mount 8 ' for being positioned at the laminating support member of shale gas duct bottom.
So, the laminating support member of shale gas duct bottom can also be provided the elastic force upwards compressed by bottom laminating support member mounting bracket self, better assures that support and damping effect.Specifically, during enforcement, the transverse section of described upper junction plate 7 ' is inverted U-shaped, described upper junction plate 7 ' and described lower connecting plate 5 ' fastening place have a lap and composition is slidably matched face.By the improvement to said structure, it is possible to improve the stability of bottom laminating support member mounting bracket 2 ', helical spring 6 ' can play cushioning effect, and the lap of upper junction plate 7 ' and lower connecting plate 5 ' is to prevent the entirety of pipeline from toppling.
Wherein, described helical spring is many groups be set up in parallel.As such, it is possible to provide elastic force and better ensure that stability of strutting system better.
Wherein, described sidepiece laminating support member mounting bracket 3 ' includes one and installs rocking arm 12 ', install and inwardly connect support member fixed mount 8 ' inside rocking arm 12 ' upper end for being positioned at the laminating support member of shale gas pipeline sidepiece, installing rocking arm 12 ' lower end be rotatably connected on bracket base and be provided with torque spring 4 ', torque spring 4 ' acts on bracket base and installs between rocking arm and for installing the torque that rocking arm applies to make its upper end inwardly rotate.So, the laminating support member of shale gas pipeline sidepiece can also be provided the compression elastic force of an inside lower section by installing the torque spring on rocking arm, better assure that support and damping effect.
Wherein, described installation rocking arm 12 ' includes a vertical section being positioned at bottom and the superposed intilted section of being folded to.So, installation and its angle of facilitating the laminating support member of shale gas pipeline sidepiece are beneficial to the laminating support surface of sidepiece and the laminating damping of shale gas tube-surface.
Wherein, described laminating support member peripheral surface is provided with elastomeric material composition elastic shock attenuation layer 11 '.There is with low cost and good damping effect advantage.
Wherein, leak detection structure includes being positioned at described shale gas pipeline 1 outer surface and encloses the one layer of water expander layer 5 prepared by the water-swellable material that can absorb water and force outward expansion after meeting water set, and water expander layer is outside equipped with one layer of damp-proof layer 4.
So, after there is leakage in shale gas pipeline use procedure, owing to shale gas all can exist a small amount of steam, therefore after the shale gas ejection of leakage part, the water-swellable material water suction of correspondence position can produce dilatancy and outwards swell, therefore just can see concrete leakage part intuitively by the protuberance situation on pipeline, and then conveniently carry out mending-leakage maintenance pointedly.Damp-proof layer is possible to prevent because of the natural moisture impact on water expander layer.
Wherein, damp-proof layer 4 is moisture-proof film.So, moisture-proof film is with low cost, and moisture effect is good and thin film self has elasticity, without influence on the protuberance of water expander layer.
Wherein, described water expander layer 5 is made for hydro-expansive rubber.Have with low cost, the advantages such as water-swellable is effective；Hydro-expansive rubber self has certain elasticity simultaneously, is arranged on outside shale gas pipeline, may also operate as the effect of shock-absorbing protecting at ordinary times.
Wherein, it is provided with support frame outside described shale gas pipeline and between water expander layer constitute casing play 3 and separate outer for shale gas pipeline with water expander layer.
So, water expander layer is separated, it is to avoid be directly compromised gas bursting and result in protuberance inconspicuous.Outer for shale gas pipeline and water expander layer so separate formation space can also conveniently hold the gas leaked out and avoid the waste that leaks simultaneously, be also beneficial to that arranging pops one's head in detects and conveniently recycle simultaneously.
Wherein, described casing play 3 closed at both ends formula designs and constitutes a cell cube 9, is also embedded with guide pipeline 2 in casing play, and guide pipeline 2 is provided with gas port 11, and guide pipeline 2 one end connects casing play and connects an air collector 8.
So, when pipeline leaks gas, the gas leaked out can enter into air collector by gas port from guide pipeline, it is achieved reclaims, it is to avoid waste.Can also being connected in multiple cell cube and share by a guide pipeline further, described gas port quantity in each cell cube, no less than one, is achieved in that one-object-many-purposes, raising air collector utilization rate.
Wherein, gas port 11 place of described guide pipeline 2 is additionally provided with for controlling gas toward unidirectional 10 valves of one-way flow in guide pipeline.So, the convenient gas leakage one-way flow that controls enters in air collector, it is to avoid reversely flow backwards.
Wherein, being additionally provided with the probe 6 that can detect shale gas in described casing play, probe 6 is connected with the monitoring system 7 being positioned at outside casing play.As such, it is possible to leakage situation detected by monitoring system further, it is possible to judge that leakage pipe section general location is to facilitate maintenance by probe positions.
Wherein, described probe is methane detector.Because the methane content of shale gas is higher, by the improvement of said structure to improve detection accuracy.Yet further, probe is located at the top of described casing play, and the probe quantity in each cell cube is no less than one.Because the density relative atmospheric of shale gas is less, the shale gas of leakage will be gathered in the top of casing play, to detect the shale gas of leakage in the very first time.
Monitoring system can also arrange during enforcement alarm device and carry out alarm.Can also arranging air intake pump further on air collector, air intake pump controls end and is connected with monitoring system so that can actively open air intake pump after monitoring leakage and suck the shale gas leaked out, it is to avoid waste.
Claims (9)
1. a shale gas pipeline system, including shale gas pipeline anti-leak section, it is characterised in that shale gas pipeline anti-leak section two ends are installed fixing by mounting bracket and constitute damping installation structure, are additionally provided with leak detection structure outside shale gas pipeline anti-leak section.
2. shale gas pipeline system as claimed in claim 1, it is characterized in that, mounting bracket is provided with around shale gas pipeline at least two laminating support member circumferentially, laminating support member side for and the laminating of shale gas pipe surface realizes the support of shale gas pipeline is fixed and this side surface is provided with elastic shock attenuation layer.
3. shale gas pipeline system as claimed in claim 2, it is characterised in that described laminating support member is three and is evenly arranged around shale gas pipeline circumference.
4. shale gas pipeline system as claimed in claim 2, it is characterized in that, described laminating support member is concave surface roller, and concave surface roller circumferential exterior surface arranges described elastic shock attenuation layer, and its circumferential exterior surface indent radian is consistent with the laminating of shale gas pipe surface radian.
5. shale gas pipeline system as claimed in claim 2, it is characterized in that, described mounting bracket includes the bracket base being arranged at lower section of a horizontal tabular, bracket base upper surface middle part sets up bottom laminating support member mounting bracket and for installing a laminating support member being positioned at shale gas duct bottom, and bracket base upper surface both sides each set up sidepiece laminating support member mounting bracket and respectively for installing a laminating support member being positioned at shale gas pipeline sidepiece.
6. shale gas pipeline system as claimed in claim 1, it is characterized in that, leak detection structure includes being positioned at described shale gas pipeline external surface and encloses the one layer of water expander layer prepared by the water-swellable material that can absorb water and force outward expansion after meeting water set, and water expander layer is outside equipped with one layer of damp-proof layer.
7. shale gas pipeline system as claimed in claim 6, it is characterised in that damp-proof layer is moisture-proof film.
8. shale gas pipeline system as claimed in claim 6, it is characterised in that described water expander layer is that hydro-expansive rubber is made.
9. shale gas pipeline system as claimed in claim 6, it is characterised in that be provided with support frame outside described shale gas pipeline and between water expander layer and constitute casing play and separate outer for shale gas pipeline with water expander layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610219915.0A CN105782569B (en) | 2016-04-11 | 2016-04-11 | A kind of shale gas pipeline system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610219915.0A CN105782569B (en) | 2016-04-11 | 2016-04-11 | A kind of shale gas pipeline system |
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| Publication Number | Publication Date |
|---|---|
| CN105782569A true CN105782569A (en) | 2016-07-20 |
| CN105782569B CN105782569B (en) | 2018-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610219915.0A Expired - Fee Related CN105782569B (en) | 2016-04-11 | 2016-04-11 | A kind of shale gas pipeline system |
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| CN (1) | CN105782569B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676632A (en) * | 2017-09-07 | 2018-02-09 | 南京理工大学 | A kind of city integrated piping lane natural gas line monitor control system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107676632A (en) * | 2017-09-07 | 2018-02-09 | 南京理工大学 | A kind of city integrated piping lane natural gas line monitor control system and method |
| CN107676632B (en) * | 2017-09-07 | 2019-05-07 | 南京理工大学 | A kind of city integrated piping lane natural gas line monitor control system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105782569B (en) | 2018-10-16 |
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