CN107435778A - A kind of upright oil-gas pipeline flame proof method - Google Patents
A kind of upright oil-gas pipeline flame proof method Download PDFInfo
- Publication number
- CN107435778A CN107435778A CN201610364888.6A CN201610364888A CN107435778A CN 107435778 A CN107435778 A CN 107435778A CN 201610364888 A CN201610364888 A CN 201610364888A CN 107435778 A CN107435778 A CN 107435778A
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- Prior art keywords
- flame proof
- gas pipeline
- water
- area
- rubber sleeve
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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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/005—Devices restraining ruptured tubes from whipping
-
- 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
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Revetment (AREA)
Abstract
The invention discloses a kind of upright oil-gas pipeline flame proof method, belong to pipeline field of sealing technology.This method includes：Using in upright oil-gas pipeline apart from the region of mouth of pipe predetermined length as flame proof area, flame proof area is pre-processed, so that the inner wall smooth in flame proof area.Explosive water-proof rubber sleeve is placed in flame proof area, and protective gas is filled with into explosive water-proof rubber sleeve, until explosive water-proof rubber sleeve is in close contact with flame proof area inwall.Sandy soil are added into flame proof area, sandy soil layer are formed, to cover the top of explosive water-proof rubber sleeve；Water is added into flame proof area, forms water layer, to cover sandy soil layer, completes the flame proof processing of upright oil-gas pipeline.Upright oil-gas pipeline flame proof method provided by the invention, can isolate to the fuel gas in upright oil-gas pipeline, and effectively prevent welding slag from entering in upright oil-gas pipeline, and this method is simple and practical, and flame proof works well, and is easy to large-scale promotion application.
Description
Technical field
The present invention relates to pipeline field of sealing technology, more particularly to a kind of upright oil-gas pipeline flame proof method.
Background technology
In petroleum transportation system, in order that crude oil, natural gas etc. transport specified location, it is necessary to some oil-gas pipelines
Length and direction etc. be adjusted so that the transport of crude oil, natural gas etc. is more convenient.And oil-gas pipeline is adjusted
When whole, often need to be welded different oil-gas pipelines., it is necessary to Oil/Gas Pipe to conveying crude oil, natural gas etc. during welding
Line carries out flame proof processing, brings potential safety hazard to welding process with the fuel gas for avoiding remaining in oil-gas pipeline, and prevent from welding
Slag is fallen into oil-gas pipeline, ensures safety and the high-quality transport of crude oil, natural gas etc..Therefore it provides a kind of oil-gas pipeline
Flame proof method is very necessary.
Prior art provides a kind of flame proof method of oil-gas pipeline, by the way that soil is filled in oil-gas pipeline close to pipe
At the 10-20cm of mouth, it is set to be fixed at the mouth of pipe of oil-gas pipeline using the viscosity of soil, so as to in oil-gas pipeline
Fuel gas is isolated, and prevents welding slag from entering in oil-gas pipeline, ensures the Welding Safety of oil-gas pipeline.Oil-gas pipeline welds
After the completion of, then soil removed.
Inventor has found that prior art at least has following technical problem：
The flame proof method that prior art provides is applied to horizontal oil-gas pipeline, and carries out flame proof to upright oil-gas pipeline
During processing, soil can not be firmly secured at the mouth of pipe of oil-gas pipeline, so as to be difficult to ensure that the flame proof method for Oil/Gas Pipe
The flame proof effect of line.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is, there is provided one kind be applied to upright oil-gas pipeline and every
The quick-fried upright oil-gas pipeline flame proof method to work well, concrete technical scheme are as follows：
The embodiments of the invention provide a kind of upright oil-gas pipeline flame proof method, this method includes：
Using in upright oil-gas pipeline apart from the region of mouth of pipe predetermined length as flame proof area, the flame proof area is located in advance
Reason, so that the inner wall smooth in the flame proof area；
Explosive water-proof rubber sleeve is placed in the flame proof area, and protective gas is filled with into the explosive water-proof rubber sleeve,
Until the explosive water-proof rubber sleeve is in close contact with flame proof area inwall；
Sandy soil are added into the flame proof area, sandy soil layer are formed, to cover the top of the explosive water-proof rubber sleeve；To described
Water is added in flame proof area, forms water layer, to cover the sandy soil layer, completes the flame proof processing of the upright oil-gas pipeline.
Specifically, preferably, the predetermined length is 55-65cm.
Specifically, preferably, the pretreatment includes：The inwall in the flame proof area is polished, then uses cotton
Or gauze is wiped.
Specifically, preferably, the protective gas is helium or nitrogen.
Specifically, preferably, the water layer is highly 2-3cm.
Specifically, preferably, the sandy soil are loam, average grain diameter 0.05-0.20mm.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
Upright oil-gas pipeline flame proof method provided in an embodiment of the present invention, passes through the explosive marine glue in flame proof area
Set, and protective gas is filled with thereto, so that the inwall of explosive water-proof rubber sleeve and upright oil-gas pipeline is in close contact, realize fried
Fixation of the medicine water-proof rubber sleeve in flame proof area, and the main part in flame proof area is sealed.Then sandy soil layer and water layer are passed through
Further encapsulation process is carried out to the flame proof area at the top of explosive water-proof rubber sleeve, so as to the fuel gas in upright oil-gas pipeline
Isolated, and effectively prevent welding slag from entering in upright oil-gas pipeline.Meanwhile the water in flame proof area can also be to upright oil-gas pipeline
The mouth of pipe play cooling effect, avoid the mouth of pipe of upright oil-gas pipeline from overheating, ensure the safe welding of upright oil-gas pipeline.Can
See, upright oil-gas pipeline flame proof method provided in an embodiment of the present invention is simple and practical, and can be applied to upright Oil/Gas Pipe
Line, flame proof work well, and are easy to large-scale promotion application.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is upright oil-gas pipeline flame proof method implementation result figure provided in an embodiment of the present invention.
Reference represents respectively：
1 upright oil-gas pipeline,
2 flame proof areas,
3 explosive water-proof rubber sleeves,
4 sandy soil layers,
5 water layers.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, embodiment of the present invention will be made into one below
It is described in detail on step ground.
The embodiments of the invention provide a kind of upright oil-gas pipeline flame proof method, the implementation result such as institute of accompanying drawing 1 of this method
Show, this method concretely comprises the following steps：
Using in upright oil-gas pipeline 1 apart from the region of mouth of pipe predetermined length as flame proof area 2, flame proof area 2 is located in advance
Reason, so that the inner wall smooth in flame proof area 2；
Explosive water-proof rubber sleeve 3 is placed in flame proof area 2, and protective gas is filled with into explosive water-proof rubber sleeve 3, until fried
Medicine water-proof rubber sleeve 3 is in close contact with the inwall of flame proof area 2；
Sandy soil are added into flame proof area 2, sandy soil layer 4 are formed, to cover the top of explosive water-proof rubber sleeve 3；Into flame proof area 2
Water is added, forms water layer 5, to cover sandy soil layer 4, completes the flame proof processing of upright oil-gas pipeline 1.
Upright oil-gas pipeline flame proof method provided in an embodiment of the present invention, passes through the explosive marine glue in flame proof area 2
Set 3, and protective gas is filled with thereto, so that the inwall of explosive water-proof rubber sleeve 3 and upright oil-gas pipeline 1 is in close contact, it is real
Existing explosive 3 fixation in flame proof area 2 of water-proof rubber sleeve, and the main part in flame proof area 2 is sealed.Then sandy soil layer is passed through
4 and water layer 5 further encapsulation process is carried out to the flame proof area 2 at the top of explosive water-proof rubber sleeve 3, so as to upright oil-gas pipeline 1
In fuel gas isolated, and effectively prevent welding slag enter upright oil-gas pipeline 1 in.Meanwhile the water layer 4 in flame proof area 2
Cooling effect can also be played to the mouth of pipe of upright oil-gas pipeline 1, avoid the mouth of pipe of upright oil-gas pipeline 1 from overheating, ensure upright oil
The safe welding of gas pipeline 1.It can be seen that upright oil-gas pipeline flame proof method provided in an embodiment of the present invention, simple and practical, and can
Worked well suitable for upright oil-gas pipeline, flame proof, be easy to large-scale promotion application.
Specifically, in order to ensure flame proof effect, using in upright oil-gas pipeline 1 apart from the region of mouth of pipe predetermined length as every
Quick-fried area 2, the predetermined length are 55-65cm, for example, 55cm, 60cm, 65cm, so that the long enough of flame proof area 2, so that upright oil
Fuel gas in gas pipeline 1 is difficult to through flame proof area 2, realize barrier of the flame proof area 2 to fuel gas, ensures upright Oil/Gas Pipe
The Welding Safety of line 1.
Specifically, it is necessary to be located in advance to the inwall in flame proof area 2 before explosive water-proof rubber sleeve 3 is put into flame proof area 2
Reason, so that the inner wall smooth in flame proof area 2, avoids projection and impurity on the inwall of flame proof area 2 etc. from damaging explosive water-proof rubber sleeve 3, protect
Demonstrate,prove the flame proof effect in flame proof area 2.In more detail, preprocessing process includes：The inwall in flame proof area 2 is polished, then uses cotton
Cloth or gauze are wiped.During polishing, sand paper manual polishing can be used by operating personnel, can also be polished with sander.
After polishing, with gauze or cotton by the inwall wiped clean of flame proof area 2, so that the combination of explosive water-proof rubber sleeve 3 and the inwall of flame proof area 2
It is even closer, improve isolation and the sealing effectiveness in flame proof area 2.
Specifically, the protective gas filled in explosive water-proof rubber sleeve 3 is helium or nitrogen.The charge of protective gas should fit
Preferably, gas is filled with excessively easily to rack explosive water-proof rubber sleeve 3, be filled with gas cross at least can not by explosive water-proof rubber sleeve 3 will
Fuel gas is sealed in upright oil-gas pipeline 1, and therefore, the amount for the protective gas being filled with is so that the big portion of explosive water-proof rubber sleeve 3
Dividing to be in close contact with the inwall of flame proof area 2 is advisable.Meanwhile the protective gas being filled with is the more stable helium and nitrogen of chemical property
Gas, it is not susceptible to react and explodes, so as to provides guarantee for the safe welding of upright oil-gas pipeline 1.
Specifically, the structure of explosive water-proof rubber sleeve 3 is similar to balloon, and it includes gum cover main body and inflation inlet, gum cover main body
It is made with inflation inlet by latex, the thickness of gum cover main body is 1-2mm.In use, it is filled with by inflation inlet into gum cover main body
Protective gas, then inflation inlet is tightened, as shown in Figure 1, diameter can be 4- to the shape after the inflation of explosive water-proof rubber sleeve 3
25cm, length reach 40-50cm, so that the explosive water-proof rubber sleeve 3 of inflation is fixed in upright oil-gas pipeline 1, to upright oil gas
Fuel gas in pipeline 1 plays a part of isolating and sealed.
Specifically, in order to ensure that the major part of explosive water-proof rubber sleeve 3 is in close contact with the inwall of flame proof area 2, the present invention is implemented
The internal diameter for the upright oil-gas pipeline 1 being applicable in the flame proof method that example provides is 4-25cm, for example, 4cm, 10cm, 15cm, 20cm,
25cm etc., so that upright oil-gas pipeline 1 is corresponding with the size of general explosive water-proof rubber sleeve 3, give full play to explosive water-proof rubber sleeve 3
To the sealing function of upright oil-gas pipeline 1, so as to ensure the flame proof effect in flame proof area 2.
Specifically, the top of explosive water-proof rubber sleeve 3 is covered with one layer of sandy soil layer 4, to fill explosive water-proof rubber sleeve 3 and flame proof area
Space between 2 inwalls, flame proof area 2 is further sealed, ensure the flame proof effect in flame proof area 2.In more detail, it is selected
Sandy soil are loam, for example, average grain diameter 0.05-0.20mm, 0.05mm, 0.10mm, 0.15mm, 0.20mm etc..Due to loam
Between sand and clay, there is certain viscosity, therefore sandy soil layer 4 can be made to be covered in explosive water-proof rubber sleeve 3 securely
Top, and as far as possible reduce seepage of the water layer 5 to sandy soil layer 4 and explosive water-proof rubber sleeve 3.Meanwhile the loam selected in this method
Particle diameter is smaller, the space filled up between explosive water-proof rubber sleeve 3 and the inwall of flame proof area 2 so that loam is tried one's best, prevents upright Oil/Gas Pipe
The seepage of fuel gas in line 1.
Specifically, the top of sandy soil layer 4 is also covered with water layer 5, and the height of water layer 5 is 2-3cm.By water layer 5 to upright oil
Gas pipeline 1 is further sealed, and avoids the fuel gas seepage in upright oil-gas pipeline 1.Meanwhile water layer 5 also has drop
Temperature effect, avoid its mouth of pipe overheat during the upright welding of oil-gas pipeline 1 and cause potential safety hazard, ensure the peace of upright oil-gas pipeline 1
Full welding.
Specifically, can be by bleeding off the protection in explosive water-proof rubber sleeve 3 after being welded to upright oil-gas pipeline 1
Gas, explosive water-proof rubber sleeve 3 is taken out, and sandy soil and water is flowed out along upright oil-gas pipeline 1, you can released flame proof and set.Solution
After being set except flame proof, it is possible to recover the normal use of upright oil-gas pipeline 1, safe operation, conveniently.
It will be described in detail below by specific embodiment：
Embodiment 1
A kind of upright oil-gas pipeline flame proof method is present embodiments provided, is comprised the following steps that：
Step 1：Using in upright oil-gas pipeline 1 apart from mouth of pipe 60cm region as flame proof area 2, with sand paper to flame proof area 2
Inwall polished, then wiped with cotton or gauze, so that the inner wall smooth in flame proof area 2, clean.
Step 2：The explosive water-proof rubber sleeve 3 that Ju Neng spacers Co., Ltd produces is placed in flame proof area 2, and by nitrogen
It is filled with as protective gas in explosive water-proof rubber sleeve 3, until explosive water-proof rubber sleeve 3 is in close contact with the inwall of flame proof area 2, with to straight
Fuel gas in vertical oil-gas pipeline 1 is isolated.
Step 3：The loam that average grain diameter is 0.1mm is added into flame proof area 2, sandy soil layer 4 is formed, to cover explosive waterproof
The top of gum cover 3；Water is added into flame proof area 2, the water layer 5 that height is 3cm is formed, to cover sandy soil layer 4.Pass through sandy soil layer 4
Upright oil-gas pipeline 1 is further sealed with water layer 5, completes the flame proof processing of upright oil-gas pipeline 1.
The upright oil-gas pipeline 1 handled by above-mentioned flame proof is when being welded, no combustible gas leakage, and welding slag can be with
Sandy soil and water flow out together, will not remain in upright oil-gas pipeline 1.It can be seen that the present embodiment provide upright oil-gas pipeline every
Quick-fried method simple practical, and flame proof works well.
Presently preferred embodiments of the present invention is the foregoing is only, the protection domain being not intended to limit the invention is all in this hair
Within bright spirit and principle, any modification, equivalent substitution and improvements made etc., protection scope of the present invention should be included in
Within.
Claims (6)
- A kind of 1. upright oil-gas pipeline flame proof method, it is characterised in that methods described includes：Using in upright oil-gas pipeline apart from the region of mouth of pipe predetermined length as flame proof area, the flame proof area is pre-processed, So that the inner wall smooth in the flame proof area；Explosive water-proof rubber sleeve is placed in the flame proof area, and protective gas is filled with into the explosive water-proof rubber sleeve, until The explosive water-proof rubber sleeve is in close contact with flame proof area inwall；Sandy soil are added into the flame proof area, sandy soil layer are formed, to cover the top of the explosive water-proof rubber sleeve；To the flame proof Water is added in area, forms water layer, to cover the sandy soil layer, completes the flame proof processing of the upright oil-gas pipeline.
- 2. according to the method for claim 1, it is characterised in that the predetermined length is 55-65cm.
- 3. according to the method for claim 1, it is characterised in that the pretreatment includes：The inwall in the flame proof area is entered Row polishing, is then wiped with cotton or gauze.
- 4. according to the method for claim 1, it is characterised in that the protective gas is helium or nitrogen.
- 5. according to the method for claim 1, it is characterised in that the water layer is highly 2-3cm.
- 6. according to the method for claim 1, it is characterised in that the sandy soil are loam, average grain diameter 0.05- 0.20mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610364888.6A CN107435778A (en) | 2016-05-27 | 2016-05-27 | A kind of upright oil-gas pipeline flame proof method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610364888.6A CN107435778A (en) | 2016-05-27 | 2016-05-27 | A kind of upright oil-gas pipeline flame proof method |
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| Publication Number | Publication Date |
|---|---|
| CN107435778A true CN107435778A (en) | 2017-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610364888.6A Pending CN107435778A (en) | 2016-05-27 | 2016-05-27 | A kind of upright oil-gas pipeline flame proof method |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3578233A (en) * | 1968-07-11 | 1971-05-11 | Shell Oil Co | Apparatus for remotely joining underwater pipelines |
| US20040144439A1 (en) * | 2002-12-09 | 2004-07-29 | Lundman Philip L. | Flexible emergency gas pipeline plug |
| CN201218384Y (en) * | 2008-04-01 | 2009-04-08 | 张凤尧 | Oil gas isolation vesicle |
| CN201964085U (en) * | 2011-03-23 | 2011-09-07 | 中国石油天然气股份有限公司 | Anti leaking and blocking device in pipeline |
| CN102192382A (en) * | 2010-03-05 | 2011-09-21 | 中国石油天然气股份有限公司 | Method for temporarily plugging refrigeration of small-diameter oil-gas pipeline |
| WO2011121330A1 (en) * | 2010-03-29 | 2011-10-06 | Coupling Technology Limited | Improvements in and relating to pipeline repair |
| CN104214364A (en) * | 2014-07-22 | 2014-12-17 | 张寒军 | Pipeline safety construction suite and method |
| CN104384735A (en) * | 2014-08-25 | 2015-03-04 | 陕西延长石油（集团）有限责任公司管道运输公司 | Method for fireproof isolation welding in oil and gas pipeline hot work |
| CN205155448U (en) * | 2015-11-16 | 2016-04-13 | 李得恩 | Pipeline shutoff isolating device |
-
2016
- 2016-05-27 CN CN201610364888.6A patent/CN107435778A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3578233A (en) * | 1968-07-11 | 1971-05-11 | Shell Oil Co | Apparatus for remotely joining underwater pipelines |
| US20040144439A1 (en) * | 2002-12-09 | 2004-07-29 | Lundman Philip L. | Flexible emergency gas pipeline plug |
| CN201218384Y (en) * | 2008-04-01 | 2009-04-08 | 张凤尧 | Oil gas isolation vesicle |
| CN102192382A (en) * | 2010-03-05 | 2011-09-21 | 中国石油天然气股份有限公司 | Method for temporarily plugging refrigeration of small-diameter oil-gas pipeline |
| WO2011121330A1 (en) * | 2010-03-29 | 2011-10-06 | Coupling Technology Limited | Improvements in and relating to pipeline repair |
| CN201964085U (en) * | 2011-03-23 | 2011-09-07 | 中国石油天然气股份有限公司 | Anti leaking and blocking device in pipeline |
| CN104214364A (en) * | 2014-07-22 | 2014-12-17 | 张寒军 | Pipeline safety construction suite and method |
| CN104384735A (en) * | 2014-08-25 | 2015-03-04 | 陕西延长石油（集团）有限责任公司管道运输公司 | Method for fireproof isolation welding in oil and gas pipeline hot work |
| CN205155448U (en) * | 2015-11-16 | 2016-04-13 | 李得恩 | Pipeline shutoff isolating device |
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Application publication date: 20171205 |
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