CN201218384Y - Oil gas isolation vesicle - Google Patents
Oil gas isolation vesicle Download PDFInfo
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- CN201218384Y CN201218384Y CNU2008200118963U CN200820011896U CN201218384Y CN 201218384 Y CN201218384 Y CN 201218384Y CN U2008200118963 U CNU2008200118963 U CN U2008200118963U CN 200820011896 U CN200820011896 U CN 200820011896U CN 201218384 Y CN201218384 Y CN 201218384Y
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- capsule
- oil gas
- described oil
- isolated
- isolate
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Abstract
An oil-gas isolation bag for the fire welding maintenance of a rigid oil/gas conveying pipeline specifically comprises an isolation bag body (101) and an inlet/outlet port (102) arranged on the isolation bag body (101) and communicated with the bag body. The isolation bag has excellent technical effect, convenient use, simple operation, wide application range and no limitation of a location, a pipe diameter, a straight pipe and a bend. The oil-gas isolation bag has no strict demand upon the sealing in the pipeline, and the pipeline are internally provided with wax (as long as no sharp or penetrating hard objects exist), or the bends can be sealed. The utility model has low cost, light weight, convenient manufacture, application and transportation and can bring huge foreseeable economic and social values.
Description
Technical field
The utility model relates to machinery and technical field such as welding, and the oil gas isolation capsule that uses when being suitable for that especially rigidity oil/letter shoot road got angry the welding maintenance is provided especially.
Background technique
In the prior art; utilizing rigid conduit (mostly to be the pipeline of metal material greatly; when steel for example) growing distance, airtight oil transportation or gas transmission, occur to carry out the situation that pipeline maintenance especially keeps in repair pipeline in the mode of the welded pipe line of getting angry through regular meeting.The welding maintenance in case need get angry, we need stop transferring oil/gas usually; But,, and have certain pressure even if stopping transportation also retains a certain amount of oil product, oil gas in the pipeline.So,, oil or oil gas and the point (weld) of getting angry must be kept apart for safe construction.
In oil and gas pipes is in the past got angry construction and pipeline dimension repairing process, the oil gas of getting angry is a little isolated the technological scheme of using the shutoff of butter wall, and its shortcoming is unstable, collapses easily in the work progress of getting angry for a long time, leak oil gas, threaten the construction safety of getting angry.Be easy to generate flowing in the butter wall partial structurtes under high-temperature condition, the common like this upper end at wall can form the slit, and causes leaking oil gas.In addition, processed oil pipeline also easily by organic solvent dissolutions such as petrol and diesel oils, influences isolation effect, even may cause get angry failure and man-machine injures and deaths.
The model utility content
What the purpose of this utility model provided that a kind of technique effect obviously is better than the prior art scheme isolates capsule to rigidity oil/letter shoot road oil gas that when maintenance welding use of getting angry.
The utility model provides oil gas to isolate capsule, and it is used for the welding maintenance of getting angry of rigidity pipe-line, and it is characterized in that: described oil gas is isolated capsule and is specially the air bag that can inflate with bleed air operation.
Described oil gas is isolated the capsule concrete structure and is consisted of: isolate capsule utricule 101, import/exhaust mouth 102; Described import/exhaust mouth 102 has 1.Import/exhaust mouth 102 is arranged on to isolate on the capsule utricule 101 and with it and is communicated with.
The optimization technique content request that oil gas described in the utility model is isolated capsule is:
The number of described isolation capsule utricule 101 is 1; Isolation capsule utricule 101 body profile that are under the inflation working state are shaped as one of following several situations or its combination: sphere, elliposoidal, the cylinder bodily form;
The isolation capsule utricule 101 that described oil gas is isolated capsule is a stratiform structure, and outermost surface is that rubber layer 1011, internal layer are backing layer 1012; More than two-layer being fixed together.Further preferred technical requirements is: described oil gas is isolated the two-sided gelatinous layer that all scribbles of the backing layer 1012 in the capsule.
Oil gas described in the utility model is isolated in the capsule, described oil gas isolate can also be provided with near the import/exhaust mouth 102 on the capsule be used for that the described oil gas of tractive isolates capsule get capsule tow rope 103 take out from former working position so that in practical engineering application, after finishing using, described oil gas is isolated capsule.
In addition, described oil gas isolation capsule also is equipped with inflator 2.Described oil gas is isolated the inflator 2 that capsule was equipped with and preferably is specially the nitrogen inflator.
Described oil gas is isolated and is specifically included 1～2 same source of the gas of use in the capsule complexes or independently use former 2, one inflators 2 of inflator of gas specifically to be connected with 1～2 isolation capsule utricule 101 separately.
Oil gas described in the utility model is isolated capsule, it is characterized in that: the import/exhaust mouth 102 that described oil gas is isolated capsule is provided with one of following several concrete structures or its combination: switch valve, sealing cover;
Described oil gas is isolated between import/exhaust mouth 102 and the inflator 2 on the capsule and is connected by pneumatic tube 3.
We test through for many years get angry construction practice and the further investigation of present stage and correspondence, and we think, and are better with butter wall (mixture of yellow glycerine and 2: 1 ratios of talcum ash) and the symphyogenetic oil gas isolation mounting of rubber bag tank effect.It has advantages such as safe, that stability is strong, easy to operate, and it will possess the good technical effect.Concrete structure is:
Place rubber bag tank in a both sides of getting angry earlier, build the butter wall by laying bricks or stones in the rubber bag tank outside, we isolate bag apparatus (concrete structure is seen Fig. 1) by called after oil gas this device.When getting angry construction, the butter wall is the sealing of first road, rubber bag tank is the sealing of second road, advantage is a double insurance, and under the situation that the butter wall destroys, getting angry does not a little have oil gas, medium contact in the butter wall discord pipeline in addition, prevent dissolved destruction, can be applied on product oil and the lighter hydrocarbons pipeline that this oil gas is isolated bag apparatus can also bear certain pressure difference.
Oil gas is isolated the requirement of bag apparatus:
Because oil transport pipeline is airtight, require seal arrangement to be fit into pipeline and when pipeline takes out volume the smaller the better, pack into, take out with facility.Require gas during use, make capsule be full of a segment pipe, satisfy the scene security needs of getting angry sufficient certain pressure in the capsule.And can bear oil gas and isolate pressure difference about capsule both sides 0.5Mpa, itself bear about pressure 0.7Mpa.Require oil resistant, 70 ℃ of serviceability temperature scopes----40 ℃.The material that oil gas is isolated capsule can be in the canvas lining, double spread, the utricle of tailored interfaces.
Oil gas isolates that capsule is gained in strength before as the butter wall and the measure of leakproofness, is the effective protection measure of construction of getting angry.The riding position that oil gas is isolated capsule will have enough distances apart from pipeline Pipe Cutting mouth, reserve normed space to building the butter wall by laying bricks or stones.Oil gas is isolated capsule will carry out pressure testing before installation, the inflation pressure of oil gas isolation capsule is generally 0.1MPa during installation, and gas is nitrogen.Oil gas is isolated capsule will carry out the gas concentration detection with the combustible gas alarm instrument according to the rules after installing, can repair a mouthful operation after qualified.Generally before the welding operation, should carry out gas concentration again and detect, can weld after qualified and get angry.
Oil gas is isolated the capsule installation requirement:
About about 3.0 meters of the otch outside of getting angry in the shutoff zone; Welding DN300 bag-type blockage short circuit-mounting clamp plate valve-installations tapping machine---pipeline tapping---the closed clip plate valve---the Plugging brusa pressure testing---Plugging brusa is tied up------manually the butter capsule being continued in the pipeline section of getting angry---installs aerating device to open sandwich valve after waiting oil extraction to finish, and the Plugging brusa inflation is boosted (usually at 0.05MPa)---add a cover blind plate and sealing temporarily---get angry finish after the dismounting blind plate---the Plugging brusa exhaust---slowly hangs out Plugging brusa---plug-hole operation---mounting flange blind plate and uses bolted with crane and dedicated hook.
The utility model technique effect is good, and it is easy to use, and is simple to operate, is not subjected to the restriction of place, caliber, straight tube, elbow etc., applied widely; Not strict for requiring in the closed conduit, there are wax (the hard thing of short of point, thorn) or elbow to seal in the pipeline; Cost is low, in light weight, making, use, convenient transportation; It has foreseeable huge economy and social value.
Description of drawings
Below in conjunction with drawings and the embodiments the utility model is described in further detail:
Fig. 1 is the structural principle schematic representation that oil gas described in the utility model is isolated capsule;
Fig. 2 is that oil gas described in the utility model is isolated capsule application principle schematic representation;
Fig. 3 is the capsule skin structure composition schematic representation partial enlarged drawing that described oil gas is isolated capsule.
Embodiment
The implication of each number designation is as follows in the accompanying drawing 1～3:
Isolate capsule utricule 101, rubber layer 1011, backing layer 1012, import/exhaust mouth 102, get capsule tow rope 103; Inflator 2, pneumatic tube 3, oil transportation/feed channel 4, yellow drier oil wall 5, get angry a little 6.
Embodiment 1
The oil gas that uses when a kind of welding of getting angry in rigidity oil/letter shoot road is keeped in repair is isolated capsule, it is characterized in that: described oil gas is isolated capsule and is specially the air bag that can inflate with bleed air operation.
Described oil gas is isolated the capsule concrete structure and is consisted of: isolate capsule utricule 101, import/exhaust mouth 102; Described import/exhaust mouth 102 has 1.
The concrete technology contents requirement that the described oil gas of present embodiment is isolated capsule is:
The number of described isolation capsule utricule 101 is 1; Isolation capsule utricule 101 body profile that are under the inflation working state are shaped as one of following several situations or its combination: sphere, elliposoidal, the cylinder bodily form;
The isolation capsule utricule 101 that described oil gas is isolated capsule is a stratiform structure, and outermost surface is that rubber layer 1011, internal layer are backing layer 1012; Described oil gas is isolated the two-sided gelatinous layer that all scribbles of the backing layer 1012 in the capsule; Above rubber layer 1011 and backing layer 1012 are fixed together.Backing layer 1012 specifically can be to strengthen the cloth structure.
Described oil gas is isolated in the capsule, described oil gas isolate can also be provided with near the import/exhaust mouth 102 on the capsule be used for that the described oil gas of tractive isolates capsule get capsule tow rope 103 take out (utilizing tow rope to pull out) from former working position so that in practical engineering application, after finishing using, described oil gas is isolated capsule.
In addition, described oil gas isolation capsule also is equipped with inflator 2; Particularly, the described oil gas isolation inflator that capsule was equipped with 2 is the nitrogen inflator.
Described oil gas is isolated and is specifically included 2 in the capsule complexes and use same sources of the gas or independently separately use 2,2 of the former inflators of gas to isolate capsule utricule 101 to use in pairs, is respectively applied for the get angry oil transportation/feed channel 4 of a both sides of shutoff.
The described oil gas of present embodiment is isolated capsule, it is characterized in that: the import/exhaust mouth 102 of described oil gas isolation capsule is provided with the combination of following two kinds of concrete structures: switch valve, sealing cover;
Described oil gas is isolated between import/exhaust mouth 102 and the inflator 2 on the capsule and is connected by pneumatic tube 3.
We test through for many years get angry construction practice and the further investigation of present stage and correspondence, and we think, and are better with butter wall (mixture of yellow glycerine and 2: 1 ratios of talcum ash) and the symphyogenetic oil gas isolation mounting of rubber bag tank effect.It has advantages such as safe, that stability is strong, easy to operate, and it will possess the good technical effect.Concrete structure is:
Place rubber bag tank in a both sides of getting angry earlier, build the butter wall by laying bricks or stones in the rubber bag tank outside, we isolate bag apparatus (concrete structure is seen Fig. 1) by called after oil gas this device.When getting angry construction, the butter wall is the sealing of first road, rubber bag tank is the sealing of second road, advantage is a double insurance, and under the situation that the butter wall destroys, getting angry does not a little have oil gas, medium contact in the butter wall discord pipeline in addition, prevent dissolved destruction, can be applied on product oil and the lighter hydrocarbons pipeline that this oil gas is isolated bag apparatus can also bear certain pressure difference.
Oil gas is isolated the requirement of bag apparatus:
Because oil transport pipeline is airtight, require seal arrangement to be fit into pipeline and when pipeline takes out volume the smaller the better, pack into, take out with facility.Require gas during use, make capsule be full of a segment pipe, satisfy the scene security needs of getting angry sufficient certain pressure in the capsule.And can bear oil gas and isolate pressure difference about capsule both sides 0.5Mpa, itself bear about pressure 0.7Mpa.Require oil resistant, 70 ℃ of serviceability temperature scopes----40 ℃.The material that oil gas is isolated capsule can be in the canvas lining, double spread, the utricle of tailored interfaces.
Oil gas isolates that capsule is gained in strength before as the butter wall and the measure of leakproofness, is the effective protection measure of construction of getting angry.The riding position that oil gas is isolated capsule will have enough distances apart from pipeline Pipe Cutting mouth, reserve normed space to building the butter wall by laying bricks or stones.Oil gas is isolated capsule will carry out pressure testing before installation, the inflation pressure of oil gas isolation capsule is generally 0.1MPa during installation, and gas is nitrogen.Oil gas is isolated capsule will carry out the gas concentration detection with the combustible gas alarm instrument according to the rules after installing, can repair a mouthful operation after qualified.Generally before the welding operation, should carry out gas concentration again and detect, can weld after qualified and get angry.
Oil gas is isolated the capsule installation requirement:
About about 3.0 meters of the otch outside of getting angry in the shutoff zone; Welding DN300 bag-type blockage short circuit-mounting clamp plate valve-installations tapping machine---pipeline tapping---the closed clip plate valve---the Plugging brusa pressure testing---Plugging brusa is tied up------manually the butter capsule being continued in the pipeline section of getting angry---installs aerating device to open sandwich valve after waiting oil extraction to finish, and the Plugging brusa inflation is boosted (usually at 0.05MPa)---add a cover blind plate and sealing temporarily---get angry finish after the dismounting blind plate---the Plugging brusa exhaust---slowly hangs out Plugging brusa---plug-hole operation---mounting flange blind plate and uses bolted with crane and dedicated hook.
Embodiment 2
The present embodiment content is substantially the same manner as Example 1, and its main difference part is:
Described oil gas is isolated and is specifically included 1 same source of the gas of use in the capsule complexes or independently use former 2, one inflators 2 of inflator of gas specifically to be connected with 1 isolation capsule utricule 101 separately; In concrete engineering was used, we used the relatively independent oil gas of two covers to isolate the capsule complexes, use in pairs, were respectively applied for the get angry oil transportation/feed channel 4 of a both sides of shutoff.
The described oil gas of present embodiment is isolated capsule, it is characterized in that: the import/exhaust mouth 102 that described oil gas is isolated capsule is provided with one of following two kinds of concrete structures: switch valve, sealing cover;
Be provided with near the import/exhaust mouth 102 on the described oil gas isolation capsule and get capsule tow rope 103.
Claims (10)
1, oil gas is isolated capsule, is used for the welding maintenance of getting angry of rigidity oil/letter shoot road be is characterized in that: described oil gas is isolated capsule and is specifically included and isolate capsule utricule (101) and the disposed thereon and import/exhaust mouth (102) of connection with it.
2, isolate capsule according to the described oil gas of claim 1, it is characterized in that: the import/exhaust mouth (102) that described oil gas is isolated in the capsule has 1.
3, isolate capsule according to the described oil gas of claim 2, it is characterized in that: the number of described isolation capsule utricule (101) is 1; Isolation capsule utricule (101) body profile that is under the inflation working state is shaped as one of following several situations or its combination: sphere, elliposoidal, the cylinder bodily form.
4, isolate capsule according to the described oil gas of claim 3, it is characterized in that: the isolation capsule utricule (101) that described oil gas is isolated capsule is stratiform structure, and outermost surface is that rubber layer (1011), internal layer are backing layer (1012); More than two-layer being fixed together.
5, isolate capsule according to the described oil gas of claim 4, it is characterized in that: described oil gas is isolated the two-sided gelatinous layer that all scribbles of the backing layer (1012) in the capsule.
6, isolate capsule according to one of them described oil gas of claim 2～5, it is characterized in that: described oil gas isolate be provided with near the import/exhaust mouth (102) on the capsule be used for that the described oil gas of tractive isolates capsule get capsule tow rope (103).
7, isolate capsule according to the described oil gas of claim 6, it is characterized in that: described oil gas is isolated capsule and also is equipped with inflator (2).
8, isolate capsule according to the described oil gas of claim 7, it is characterized in that: described oil gas is isolated the inflator (2) that capsule was equipped with and is specially the nitrogen inflator.
9, isolate capsule according to the described oil gas of claim 8, it is characterized in that: described oil gas is isolated and is specifically included 1～2 same source of the gas of use or the independent separately former inflator (2) of gas that uses in the capsule complexes, and an inflator (2) specifically is connected with 1～2 and isolates capsule utricule (101).
10, isolate capsule according to the described oil gas of claim 9, it is characterized in that: the import/exhaust mouth (102) that described oil gas is isolated capsule is provided with one of following several concrete structures or its combination: switch valve, sealing cover;
Described oil gas is isolated between import/exhaust mouth (102) and the inflator (2) on the capsule and is connected by pneumatic tube (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200118963U CN201218384Y (en) | 2008-04-01 | 2008-04-01 | Oil gas isolation vesicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200118963U CN201218384Y (en) | 2008-04-01 | 2008-04-01 | Oil gas isolation vesicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201218384Y true CN201218384Y (en) | 2009-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200118963U Expired - Fee Related CN201218384Y (en) | 2008-04-01 | 2008-04-01 | Oil gas isolation vesicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN201218384Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435778A (en) * | 2016-05-27 | 2017-12-05 | 中国石油天然气股份有限公司 | A kind of upright oil-gas pipeline flame proof method |
| CN111716042A (en) * | 2019-03-22 | 2020-09-29 | 中国石油天然气股份有限公司 | Isolation device |
-
2008
- 2008-04-01 CN CNU2008200118963U patent/CN201218384Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435778A (en) * | 2016-05-27 | 2017-12-05 | 中国石油天然气股份有限公司 | A kind of upright oil-gas pipeline flame proof method |
| CN111716042A (en) * | 2019-03-22 | 2020-09-29 | 中国石油天然气股份有限公司 | Isolation device |
| CN111716042B (en) * | 2019-03-22 | 2022-03-01 | 中国石油天然气股份有限公司 | Isolation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090408 Termination date: 20100401 |