CN206377397U - A kind of LNG conveyance conduits straight tube bottom leakage leak stoppage tool - Google Patents
A kind of LNG conveyance conduits straight tube bottom leakage leak stoppage tool Download PDFInfo
- Publication number
- CN206377397U CN206377397U CN201621442001.2U CN201621442001U CN206377397U CN 206377397 U CN206377397 U CN 206377397U CN 201621442001 U CN201621442001 U CN 201621442001U CN 206377397 U CN206377397 U CN 206377397U
- Authority
- CN
- China
- Prior art keywords
- leak
- leak stopping
- stoppage tool
- stopping part
- external member
- 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.)
- Expired - Fee Related
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- Pipe Accessories (AREA)
Abstract
Problem is lacked for the leak stoppage tool that straight tube bottom in LNG feed-lines is leaked, the utility model provides a kind of LNG conveyance conduits straight tube bottom leakage leak stoppage tool, including a set of leak stopping external member and a set of heat-insulation layer external member, the leak stopping external member includes leak stopping part, gasket seal, lifting apparatus, steel-strip strainer, support leg device and two steel bands, the lifting apparatus is used to flatly carry the leak stopping part, the heat-insulation layer external member includes straight tube chuck, insulation outer layer and filling gun, the insulation outer layer includes being provided with packing groove in injection port, the leak stopping part.Leak stoppage tool safety coefficient of the present utility model is high, can conveniently realize installation leak stopping, notable to duct bottom leakage-stopping effect；Repeatedly reinforce, it is ensured that leak stopping success rate.Material is reliable, and leak stopping material uses low temperature material, and its material property can be still kept in 162 degree of low temperature lower seal pad pieces, leak stopping parts；It in the case of installing heat-insulation layer additional, can prevent tube wall surface from freezing, keep liquid stabilising in LNG pipelines.
Description
Technical field
The utility model is related to leakage stopping technology field, stifled more particularly, to a kind of LNG conveyance conduits straight tube bottom leakage
Leakage instrument.
Background technology
Liquefied natural gas (LNG) is one of fastest-rising clean energy resource in the world, and LNG pipe transportation technology is used as one
Kind new LNG mode of movements, pipeline transportation has that freight volume is big, conveying cost is low, the construction period is short, taken up an area less, safety and environmental protection
The advantages of, it has also become one of main mode of movement of the fluid such as oil, natural gas.It is big to be connected in the LNG transport items built up for 2015
Mesh, efficiently solves the problems, such as the energy resource supply in northeast.But its capacity is big, and transportation range is long, and traffic condition is harsh.Once let out
Leakage, it is extremely dangerous.Extensive disaster accident is easily caused if dealt with improperly.Cause huge casualties and economic asset damage
Lose.And currently without the targetedly leak stoppage tool for LNG transport pipelines bottom.
Utility model content
The utility model is under the conditions of solution prior art, is leaked for straight tube bottom in LNG feed-lines
Leak stoppage tool lacks problem, and there is provided a kind of efficient and convenient, safe and reliable leak stoppage tool.
In order to solve the above problems, the utility model is achieved through the following technical solutions：
A kind of LNG conveyance conduits straight tube bottom leakage leak stoppage tool, including a set of leak stopping external member and a set of heat-insulation layer external member,
The leak stopping external member includes leak stopping part, gasket seal, lifting apparatus, steel-strip strainer, support leg device and two steel bands, the support
Lifting device is used to flatly carry the leak stopping part, and the heat-insulation layer external member includes straight tube chuck, insulation outer layer and filling gun, institute
Stating insulation outer layer includes being provided with packing groove in injection port, the leak stopping part.Wherein, leak stopping part is fixed on tube wall by the steel band
On.The purpose that the lifting apparatus flatly carries the leak stopping part is so that in groove that liquid state phase change material will not be trickled down.
Further, the injection port is hole for injecting glue.
Further, the leak stopping part is a diameter of 700mm pipeline.
Further, the pipeline is made up of austenitic cryogenic steel customization sheet material.
Further, the gasket seal material is polytetrafluoroethylene (PTFE).
Further, the size of the gasket seal and leak stopping part matches.
Further, the height of the support leg device is adjustable, to cause the lifting apparatus to be close to the pipeline
Lower tube wall.The setting of the leg device is easy to that lifting apparatus is fixed, and is easy to carry out installation fixation to lifting apparatus.
Preferably, leak stopping part is slightly compressed on leakage point.
Further, the insulation outer layer is provided with injection port.
Further, the leak stopping part has a raised surface, and the surface is provided with two grooves, the groove
Size is adapted with the size of the steel band.In this way, it is possible to by the way that two steel bands are fixed in groove, make leak stopping part will not
Slip.Specifically two steel bands are passed through into leak stopping part upper groove, steel-strip strainer is fixed on leakage hole pair with support
Side, and steel band is tightened up, so that the position of leak stopping part is fixed.
Further, the injection port is used to inject phase-change material to the groove.Liquid state phase change material condenses in groove
During for solid, volume becomes big, in the case of pressurized fixation, strengthens plugging effect.Liquid state phase change material in the groove
When being condensed into solid, volume becomes big, in the case of pressurized fixation, can strengthen plugging effect.
According to preferred embodiment of the present utility model, the pressuring method of leak stopping part is pressurizeed using screw rod, using quick
Lock set is installed to pressure rod, be may be implemented in before phase-change material is fully cured and is realized Fast Installation.For example, placing spiral rapidly
Bar, fastens quick lock set；Turn screw rod, pressure sealing is carried out to leak stopping part.
Compared with prior art, the beneficial effects of the utility model are：Leak stoppage tool safety coefficient of the present utility model is high,
Installation leak stopping can be conveniently realized, it is notable to duct bottom leakage-stopping effect；Repeatedly reinforce, it is ensured that leak stopping success rate.
Material is reliable, and leak stopping material uses low temperature material, and its material can be still kept in -162 degree low temperature lower seal pad pieces, leak stopping part
Expect performance；Install heat-insulation layer additional, can prevent tube wall surface from freezing, keep liquid stabilising in LNG pipelines.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model device for plugging；
Fig. 2 is the front view that the utility model is incubated external member.
In Fig. 1,1. leg devices, 2. lifting apparatus, 3. leak stopping parts, 4. screw rods, 5. quick lock sets, 6. packing grooves
In Fig. 2,7. hole for injecting glue
Embodiment
As shown in Figure 1 and Figure 2, the LNG conveyance conduit straight tube bottom leakages leak stoppage tool that the utility model is provided includes a set of
Leak stopping external member and a set of heat-insulation layer external member, the leak stopping external member include leak stopping part 3, gasket seal, lifting apparatus 2, steel band and tensed
Device, support leg device and two steel bands, the lifting apparatus 2 are used to flatly carry the leak stopping part 3, the heat-insulation layer external member bag
Straight tube chuck, insulation outer layer and filling gun are included, the insulation outer layer includes being provided with packing groove in injection port, the leak stopping part 3
6.Wherein, leak stopping part 3 is fixed on tube wall by the steel band.The lifting apparatus 2 flatly carries the purpose of the leak stopping part 3
It is so that in groove that liquid state phase change material will not be trickled down.
Preferably, the injection port is hole for injecting glue 7.
Preferably, the leak stopping part 3 is a diameter of 700mm pipeline.
Preferably, the pipeline is made up of austenitic cryogenic steel customization sheet material.
Preferably, the gasket seal material is polytetrafluoroethylene (PTFE).
Preferably, the size of the gasket seal and leak stopping part 3 matches.
Preferably, the height of the support leg device is adjustable, to cause the lifting apparatus 2 to be close to the pipeline
Lower tube wall.The setting of the leg device 1 is easy to that lifting apparatus 2 is fixed, and is easy to that lifting apparatus 2 is carried out to install solid
It is fixed.Preferably, leak stopping part 3 is slightly compressed on leakage point.
Preferably, the insulation outer layer is provided with injection port.
Preferably, the leak stopping part 3 has a raised surface, and the surface is provided with two grooves, the groove
Size is adapted with the size of the steel band.In this way, it is possible to by the way that two steel bands are fixed in groove, make leak stopping part 3 not
It can slip.Specifically two steel bands are passed through into the upper groove of leak stopping part 3, steel-strip strainer is fixed on leakage with support
Mouth offside, and steel band is tightened up, so that the position of leak stopping part 3 is fixed.
Preferably, the injection port is used to inject phase-change material to the groove.Liquid state phase change material is condensed into groove
During solid, volume becomes big, in the case of pressurized fixation, strengthens plugging effect.Liquid state phase change material coagulates in the groove
When becoming solid, volume becomes big, in the case of pressurized fixation, can strengthen plugging effect.
Use leak stoppage tool of the present utility model to LNG pipe leakages carry out leak stopping method detailed process for：First
Packing groove 6 is filled up with phase-change material paraffin or dimethyl silicone polymer, cut in leak stopping part size identical polytetrafluoroethylene (PTFE)
Pad is covered in its surface, then uses on the jacking of lifting apparatus 2 to leakage pipe leak stopping part 3 using leg device 1, makes leak stopping
Part is covered on leakage point.It is rapid to buckle top screw press, quick lock set 5 is locked, turn screw rod 4 enters to leak stopping part
Row pressurization.Determine after leak stopping success, tighten up steel band using steel-strip strainer and fix leak stopping part, remove lifting apparatus and screw press
Device.Insulation external member is fixed on outside leakage mouth, phase-change material is injected by hole for injecting glue to form the above-mentioned leak stopping external member of heat-insulation layer
The leak stopping part used is austenitic cryogenic steel, and it is polytetrafluoroethylmaterial material that gasket seal, which is and is incubated leg device 1 in external member,
Phase-change material refers to the material undergone phase transition at low temperature, such as paraffin, dimethyl silicone polymer etc..
One embodiment of the present utility model is described in detail above, but the content is only of the present utility model
Preferred embodiment, it is impossible to be considered as being used to limit practical range of the present utility model.It is all to be made according to present utility model application scope
Equivalent change with improve etc., all should still belong within patent covering scope of the present utility model.
Claims (10)
1. a kind of LNG conveyance conduits straight tube bottom leakage leak stoppage tool, including a set of leak stopping external member, it is characterised in that also include
A set of heat-insulation layer external member, the leak stopping external member include leak stopping part, gasket seal, lifting apparatus, steel-strip strainer, support leg device and
Two steel bands, the lifting apparatus is used to flatly carry the leak stopping part, and the heat-insulation layer external member includes straight tube chuck, insulation
Outer layer and filling gun, the insulation outer layer include being provided with packing groove in injection port, the leak stopping part.
2. leak stoppage tool according to claim 1, it is characterised in that the injection port is hole for injecting glue.
3. leak stoppage tool according to claim 1, it is characterised in that the leak stopping part is a diameter of 700mm pipeline.
4. leak stoppage tool according to claim 3, it is characterised in that the pipeline customizes sheet material system by austenitic cryogenic steel
Into.
5. leak stoppage tool according to claim 1, it is characterised in that the gasket seal material is polytetrafluoroethylene (PTFE).
6. leak stoppage tool according to claim 1, it is characterised in that the size phase of the gasket seal and leak stopping part
Match somebody with somebody.
7. leak stoppage tool according to claim 1, it is characterised in that the height of the support leg device be it is adjustable, with
So that the lifting apparatus is close to the lower tube wall of the pipeline.
8. leak stoppage tool according to claim 1, it is characterised in that the insulation outer layer is provided with injection port.
9. leak stoppage tool according to claim 1, it is characterised in that the leak stopping part has a raised surface, should
Surface is provided with two grooves, and the size of the groove is adapted with the size of the steel band.
10. leak stoppage tool according to claim 9, it is characterised in that the injection port is used to inject phase to the groove
Become material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621442001.2U CN206377397U (en) | 2016-12-21 | 2016-12-21 | A kind of LNG conveyance conduits straight tube bottom leakage leak stoppage tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621442001.2U CN206377397U (en) | 2016-12-21 | 2016-12-21 | A kind of LNG conveyance conduits straight tube bottom leakage leak stoppage tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206377397U true CN206377397U (en) | 2017-08-04 |
Family
ID=59408062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621442001.2U Expired - Fee Related CN206377397U (en) | 2016-12-21 | 2016-12-21 | A kind of LNG conveyance conduits straight tube bottom leakage leak stoppage tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206377397U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108532716A (en) * | 2018-04-02 | 2018-09-14 | 中国冶集团有限公司 | A kind of concrete drain tile tube bottom hole repair device and method |
-
2016
- 2016-12-21 CN CN201621442001.2U patent/CN206377397U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108532716A (en) * | 2018-04-02 | 2018-09-14 | 中国冶集团有限公司 | A kind of concrete drain tile tube bottom hole repair device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170804 Termination date: 20171221 |