CN108644526A - The online leak-stopping technique of pipeline - Google Patents
The online leak-stopping technique of pipeline Download PDFInfo
- Publication number
- CN108644526A CN108644526A CN201810406331.3A CN201810406331A CN108644526A CN 108644526 A CN108644526 A CN 108644526A CN 201810406331 A CN201810406331 A CN 201810406331A CN 108644526 A CN108644526 A CN 108644526A
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- China
- Prior art keywords
- pipeline
- leak
- leak source
- nut
- diameter
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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
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipeline Systems (AREA)
- Pipe Accessories (AREA)
Abstract
The present invention proposes a kind of online leak-stopping technique of pipeline, solves the problems, such as that pipe plugging is not thorough in the prior art, the term of validity can not ensure.The technique takes first interim leak-stopping, then welded nut or casing around leak source, it is finally screwed into bolt or is realized the step of blocking casing and eliminate leakage temporarily in the case where not stopping transport, maintain the normal operation of pipeline, entire technological process is simply applicable in, and can be disposed generally within half an hour, and can completely eliminate leak source, it is valid up to 13 months, the pipeline there are leak source can also be replaced after the opportunity that selection pipeline is stopped transport.
Description
Technical field
The present invention relates to pipeline maintenances to maintain technical field, particularly relates to a kind of online leak stopping work of easy to operate pipeline
Skill.
Background technology
Pipeline is that all trades and professions are widely used general conveying equipment, mainly for delivery of fluids such as gas or liquid
Matter, certain fluids can generate pipeline certain corrosiveness in transmission process, be caused letting out for pipeline due to the characteristic of itself
Dew, leakage dot shape is usually dotted or hole shape, at this time, it is necessary to be eliminated to leak point, under normal circumstances, eliminate pipe
There are mainly two types of the methods of road leakage：First, forcing wedging timber wedge leak-stopping, waiting facilities shutdown processing in leak source；Second is that leaking
Point region is checked card son, and arc pressuring plate is pressed in leak source leak-stopping with bolt, waits for shutdown processing.The above processing mode exists more
Kind defect：First, leak stopping is not thorough, the problem of leakage is difficult to solve；Second is that the term of validity can not ensure, pipeline can be let out again at any time
Leakage.
Invention content
The present invention proposes a kind of online leak-stopping technique of pipeline, solve pipe plugging in the prior art be not thorough, the term of validity
The problem of can not ensureing.
The technical proposal of the invention is realized in this way：The online leak-stopping technique of pipeline, including following sequential steps
S1. according to the leak source size of pipeline, wedge-shaped lost circulation plug is made, the length of the lost circulation plug is less than or equal to 3cm, in leak source
Position forces to wedge the lost circulation plug, wedging degree obviously not leak as reference, the lost circulation plug leave length be less than or
Equal to 1cm, redundance is cut off；
S2. in leak source vertical welding nut or casing, full weld between nut or casing and pipeline, the leak source be in nut or
The center location of casing；
S3. it is screwed into bolt in nut and spot welding is fixed, or the open end of described sleeve pipe is blocked.
As a preferred embodiment, in the step S2
S21. when the leak source diameter is less than or equal to 1cm, the size of the welded nut at solder joint, the nut is greater than or equal to
M16；
S22. when the leak source diameter is more than 1cm, the soldering sleeve at solder joint, it is straight that the diameter of described sleeve pipe is at least the leak source
4 times of diameter.
As a preferred embodiment, in the step S1
S11. the lost circulation plug is wooden or rubber mass or lead matter.
As a preferred embodiment, in the step S21
S211. the nut is C grades of hex nuts.
As a preferred embodiment, after completing step S3, to there is the pipeline of leak source to replace.
As a preferred embodiment, the diameter of the pipeline is less than or equal to 30cm, the diameter of the leak source is small
In or equal to the pipe diameter 1/5.
After using above-mentioned technical proposal, the beneficial effects of the invention are as follows：The present invention takes first interim leak-stopping, is then leaking
Point surrounding welded nut or casing are finally screwed into bolt or are realized the step of blocking casing interim in the case where not stopping transport
Leakage is eliminated, the normal operation of pipeline, entire technological process is maintained simply to be applicable in, can have been handled generally within half an hour
Finish, and leak source can be completely eliminated, is valid up to 1-3 months.It can also be leaked to existing after the opportunity that selection pipeline is stopped transport
The pipeline of point is replaced.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
Fig. 1 is the process flow diagram of an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, for the flow diagram of the online leak-stopping technique of inventive pipeline, main flow is first interim stops
Leakage, then welded nut or casing around leak source, are finally screwed into bolt or block casing, finally realize leak stopping.Below with
Four embodiments are described further the technique of the present invention.
Embodiment one：
After prolonged use, due to the corrosiveness by slurries, pipeline the pipeline of certain one section of transported slurry in chemical plant occurs
Leak source after causing the leakage of slurries, staff to check at scene, it is found that the pipe diameter for leak source occur is 30cm, leak source
A diameter of 2cm, and the outer surface of pipeline has condition needed for welding, and therefore, technique using the present invention carries out leak stopping, specifically
Steps are as follows：
S1. the wooden lost circulation plug of wedge shape is made, the length of lost circulation plug is 3cm, lost circulation plug is forced wedging leak source position, until leakage
It is not revealed significantly at point, the length that lost circulation plug is left is 1cm, and the lost circulation plug of redundance is cut off；
S2. it selects the casing of a diameter of 8cm and is vertically welded in leak source, and weld full weld between casing and pipeline entirely,
Ensure that leak source is in the center location of casing；
S3. the open end of casing is blocked.
Apparent leakage problem does not occur again for hereafter pipeline normal operation 2.5 months, leak source, has in pipeline stop later
When transporting chance, the pipeline there are leak source is replaced.
Embodiment two：
After prolonged use, due to the corrosiveness by slurries, pipeline the pipeline of certain one section of transported slurry in chemical plant occurs
Leak source after causing the leakage of slurries, staff to check at scene, it is found that the pipe diameter for leak source occur is 20cm, leak source
A diameter of 2cm, and the outer surface of pipeline has condition needed for welding, and therefore, technique using the present invention carries out leak stopping, specifically
Steps are as follows：
S1. the wooden lost circulation plug of wedge shape is made, the length of lost circulation plug is 3cm, lost circulation plug is forced wedging leak source position, until leakage
It is not revealed significantly at point, the length that lost circulation plug is left is 1cm, and the lost circulation plug of redundance is cut off；
S2. it selects the casing of a diameter of 9cm and is vertically welded in leak source, and weld full weld between casing and pipeline entirely,
Ensure that leak source is in the center location of casing；
S3. the open end of casing is blocked.
Apparent leakage problem does not occur again for hereafter pipeline normal operation 2.5 months, leak source, has in pipeline stop later
When transporting chance, the pipeline there are leak source is replaced.
Embodiment three：
After prolonged use, due to the corrosiveness by slurries, pipeline the pipeline of certain one section of transported slurry in chemical plant occurs
Leak source after causing the leakage of slurries, staff to check at scene, it is found that the pipe diameter for leak source occur is 15cm, leak source
A diameter of 1cm, and the outer surface of pipeline has condition needed for welding, and therefore, technique using the present invention carries out leak stopping, specifically
Steps are as follows：
S1. the lost circulation plug of wedge shape is made, lost circulation plug makes for hard rubber, and the length of lost circulation plug is 2cm, and lost circulation plug is forced to wedge
Leak source position, until leak source is not revealed significantly, the length that lost circulation plug is left is 0.8cm, by the lost circulation plug of redundance
It cuts off；
S2. the C grade hex nuts of M18 are selected and are vertically welded in leak source, and weld full weld between nut and pipeline entirely,
Ensure that leak source is in the center location of nut；
S3. it is screwed into bolt in nut and spot welding is fixed.
Apparent leakage problem does not occur again for hereafter pipeline normal operation 2 months, leak source, has stoppage in transit in pipeline later
When chance, the pipeline there are leak source is replaced.
Example IV：
After prolonged use, due to the corrosiveness by slurries, pipeline the pipeline of certain one section of transported slurry in chemical plant occurs
Leak source after causing the leakage of slurries, staff to check at scene, it is found that the pipe diameter for leak source occur is 10cm, leak source
A diameter of 0.5cm, and the outer surface of pipeline has condition needed for welding, and therefore, technique using the present invention carries out leak stopping, tool
Steps are as follows for body：
S1. the lead matter lost circulation plug of wedge shape is made, the length of lost circulation plug is 1.5cm, and lost circulation plug is forced wedging leak source position, until
Leak source is not revealed significantly, and the length that lost circulation plug is left is 0.5cm, and the lost circulation plug of redundance is cut off；
S2. the C grade hex nuts of M16 are selected and are vertically welded in leak source, and weld full weld between nut and pipeline entirely,
Ensure that leak source is in the center location of nut；
S3. it is screwed into bolt in nut and spot welding is fixed.
Apparent leakage problem does not occur again for hereafter pipeline normal operation 2 months, leak source, has stoppage in transit in pipeline later
When chance, the pipeline there are leak source is replaced.
The best suitable range of the online leak-stopping technique of pipeline of the present invention, is that the pipe diameter leaked is not more than
30cm, the diameter of leak source is not more than the 1/5 of pipe diameter, and pipeline outer wall has welding condition.It takes first interim leak-stopping, so
Welded nut or casing around leak source afterwards are finally screwed into bolt or are realized the case where not stopping transport the step of blocking casing
Lower interim eliminate is revealed, and the normal operation of pipeline, entire technological process is maintained simply to be applicable in, can locate generally within half an hour
Reason finishes, and can completely eliminate leak source, is valid up to 1-3 months, can also be to depositing after the opportunity that selection pipeline is stopped transport
It is replaced in the pipeline of leak source.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (6)
1. the online leak-stopping technique of pipeline, it is characterised in that：Including following sequential steps
S1. according to the leak source size of pipeline, wedge-shaped lost circulation plug is made, the length of the lost circulation plug is less than or equal to 3cm, in leak source
Position forces to wedge the lost circulation plug, wedging degree obviously not leak as reference, the lost circulation plug leave length be less than or
Equal to 1cm, redundance is cut off；
S2. in leak source vertical welding nut or casing, full weld between nut or casing and pipeline, the leak source be in nut or
The center location of casing；
S3. it is screwed into bolt in nut and spot welding is fixed, or the open end of described sleeve pipe is blocked.
2. the online leak-stopping technique of pipeline as described in claim 1, it is characterised in that：In the step S2
S21. when the leak source diameter is less than or equal to 1cm, the size of the welded nut at solder joint, the nut is greater than or equal to
M16；
S22. when the leak source diameter is more than 1cm, the soldering sleeve at solder joint, it is straight that the diameter of described sleeve pipe is at least the leak source
4 times of diameter.
3. the online leak-stopping technique of pipeline as described in claim 1, it is characterised in that：In the step S1
S11. the lost circulation plug is wooden or rubber mass or lead matter.
4. the online leak-stopping technique of pipeline as claimed in claim 2, it is characterised in that：In the step S21
S211. the nut is C grades of hex nuts.
5. the online leak-stopping technique of pipeline as described in claim 1, it is characterised in that：After completing step S3, to there is leak source
Pipeline is replaced.
6. the online leak-stopping technique of pipeline as described in claim 1, it is characterised in that：The diameter of the pipeline is less than or equal to
30cm, the diameter of the leak source are less than or equal to the 1/5 of the pipe diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810406331.3A CN108644526A (en) | 2018-04-30 | 2018-04-30 | The online leak-stopping technique of pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810406331.3A CN108644526A (en) | 2018-04-30 | 2018-04-30 | The online leak-stopping technique of pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108644526A true CN108644526A (en) | 2018-10-12 |
Family
ID=63748398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810406331.3A Pending CN108644526A (en) | 2018-04-30 | 2018-04-30 | The online leak-stopping technique of pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109837948A (en) * | 2019-02-18 | 2019-06-04 | 中国化学工程第三建设有限公司 | The method of buried underground piping repairing with pressure |
-
2018
- 2018-04-30 CN CN201810406331.3A patent/CN108644526A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109837948A (en) * | 2019-02-18 | 2019-06-04 | 中国化学工程第三建设有限公司 | The method of buried underground piping repairing with pressure |
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| PB01 | Publication | ||
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Application publication date: 20181012 |