CN110762333A - Oil pipeline leakage sealing process capable of repeatedly using die - Google Patents
Oil pipeline leakage sealing process capable of repeatedly using die Download PDFInfo
- Publication number
- CN110762333A CN110762333A CN201911049145.XA CN201911049145A CN110762333A CN 110762333 A CN110762333 A CN 110762333A CN 201911049145 A CN201911049145 A CN 201911049145A CN 110762333 A CN110762333 A CN 110762333A
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- stainless steel
- steel sheet
- sealing
- sealant
- pipeline
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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
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/175—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by using materials which fill a space around the pipe before hardening
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses an oil pipeline leakage sealing process capable of reusing a mold, relating to the technical field of pipeline sealing processes, and comprising the following steps of: s1: sealing rings are respectively sleeved on two sides of the leakage position of the pipeline; s2: selecting a piece of stainless steel sheet, rolling the stainless steel sheet into a steel cylinder along two sealing rings, marking a mark line on a stainless steel sheet combination part, punching a row of holes along the mark, and fixing the stainless steel sheet combination part by adopting a plurality of bolts through the holes, so that a sealing cavity is formed by the inner wall of the stainless steel sheet, the sealing rings and the outer wall of the pipeline; s3: the invention has the advantages of repeated use of stainless steel sheet, high material utilization rate and rapid sealing operation.
Description
Technical Field
The invention relates to the technical field of pipeline sealing processes, in particular to an oil pipeline leakage sealing process capable of repeatedly using a mold.
Background
The oil pipeline (also called pipeline, pipeline) is composed of oil pipe and its accessories, and according to the requirements of technological process, it is equipped with correspondent oil pump unit, and designed and installed into a complete pipeline system for completing the tasks of oil material receiving, unloading and transferring. The oil pipeline system, i.e. the pipeline system for transporting petroleum and petroleum products, is mainly composed of oil pipeline, oil transportation station and other auxiliary related equipments, is one of the main equipments in petroleum storage and transportation industry, and is also the most main transportation equipment for crude oil and petroleum products. The pipes of oil pipelines are generally steel pipes, and are connected into long-distance pipelines by welding, flanges and other connecting devices, and valves are used for opening and closing control and flow regulation. The oil pipeline mainly comprises conveying processes such as isothermal conveying, heating conveying, sequential conveying and the like. The corrosion of the pipeline and how to prevent corrosion are one of the important links of pipeline maintenance. Oil pipelines have become one of the major means of transporting oil today and still have considerable potential for development in the future.
When oil pipeline took place to leak, the accessible was established the sealing washer in pipeline department of revealing both sides cover, then sheatheeing in the mould pipe again, mould intraductal wall, sealing washer and pipeline outer wall can form sealed chamber, pour into solidifiable sealant into toward sealed chamber through the mould pipe, can form the one deck sealing layer, but here mould intraductal diameter is fixed, when sealing up to the oil pipeline of different pipe diameters at every turn, all need prefabricate the mould pipe that corresponds the size earlier, it is longer to consume time, can not restore the pipeline of revealing fast, and the basic use is just abandoned once, the low-usage.
Therefore, it is a realistic meaning for those skilled in the art how to solve the above technical problems.
Disclosure of Invention
The invention aims to: the invention provides an oil pipeline leakage sealing process capable of repeatedly using a die, and aims to solve the technical problems that a special die pipe is needed to be used when the existing oil pipeline leakage sealing process is carried out, the time consumption is long, the oil pipeline leakage sealing process is discarded after being basically used once, and the utilization rate is low.
The invention specifically adopts the following technical scheme for realizing the purpose:
a process for oil pipeline leakage sealing of a reusable mold comprises the following steps:
s1: sealing rings are respectively sleeved on two sides of the leakage position of the pipeline;
s2: selecting a piece of stainless steel sheet, rolling the stainless steel sheet into a steel cylinder along two sealing rings, marking a mark line on a stainless steel sheet combination part, punching a row of holes along the mark, and fixing the stainless steel sheet combination part by adopting a plurality of bolts through the holes, so that a sealing cavity is formed by the inner wall of the stainless steel sheet, the sealing rings and the outer wall of the pipeline;
s3: and punching any part of the steel cylinder, installing an injection pipe, and injecting sealant into the sealing cavity through the injection pipe until the sealant is solidified to form a sealing layer.
Further, the thickness of the stainless steel sheet is 0.5mm-2 mm.
Further, in step S3, the sealant includes the following components in parts by weight: 150 portions of resin 120-plus, 15-20 portions of ethylenediamine, 30-50 portions of acetone, 30-50 portions of curing agent and 500 portions of filler 100-plus.
Further, in step S3, the sealant setting time is 1-2 h.
Further, in step S3, the stainless steel sheet is removed after the sealant is solidified, and the place where the surface of the sealant is not flat is ground.
The invention has the following beneficial effects:
1. when the sealing mould is manufactured, the stainless steel sheet is directly adhered to the sealing ring and wound into a cylinder, and then the head part and the tail part are connected together through the bolts, so that a sealing cavity can be formed, the sealing mould can be used for leakage pipelines with different pipe diameters for many times, a mould pipe with a specific size is not required to be prefabricated, the utilization rate of materials is improved, the sealing mould can be manufactured on site, the efficiency is improved, and the effect of quickly repairing the leakage pipeline is achieved.
Drawings
FIG. 1 is a schematic view of the present invention in the configuration for sealing a pipe;
fig. 2 is a left side view structural schematic diagram of fig. 1.
Reference numerals: 1-pipeline, 2-sealing ring, 3-stainless steel sheet, 4-bolt, 5-injection tube and 6-sealing layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The features and properties of the present invention are described in further detail below with reference to examples.
Example 1
As shown in fig. 1 to 2, the present embodiment provides a process for oil pipeline leakage sealing of a reusable mold, comprising the steps of:
s1: two sides of the leakage position of the pipeline 1 are respectively sleeved with a sealing ring 2;
s2: selecting a stainless steel sheet 3, rolling the stainless steel sheet 3 into a steel cylinder along two sealing rings 2, marking a mark line on the joint of the stainless steel sheet 3, punching a row of holes along the mark, and fixing the joint of the stainless steel sheet 3 by adopting a plurality of bolts 4 through the holes, so that a sealing cavity is formed by the inner wall of the stainless steel sheet 3, the sealing rings 2 and the outer wall of the pipeline 1;
s3: and (3) perforating any part of the steel cylinder, installing an injection pipe 5, and injecting sealant into the sealing cavity through the injection pipe 5 until the sealant is solidified to form a sealing layer 6.
Further, the thickness of the stainless steel sheet 3 is 0.5 mm.
Further, in step S3, the sealant includes the following components in parts by weight: 120 parts of resin, 15 parts of ethylenediamine, 30 parts of acetone, 30 parts of curing agent and 100 parts of filler.
Further, in step S3, the sealant setting time is 1 h.
Further, in step S3, the stainless steel sheet 3 is removed after the sealant is solidified, and the place where the surface of the sealant 6 is uneven is ground.
Example 2
As shown in fig. 1 to 2, the present embodiment provides a process for oil pipeline leakage sealing of a reusable mold, comprising the steps of:
s1: two sides of the leakage position of the pipeline 1 are respectively sleeved with a sealing ring 2;
s2: selecting a stainless steel sheet 3, rolling the stainless steel sheet 3 into a steel cylinder along two sealing rings 2, marking a mark line on the joint of the stainless steel sheet 3, punching a row of holes along the mark, and fixing the joint of the stainless steel sheet 3 by adopting a plurality of bolts 4 through the holes, so that a sealing cavity is formed by the inner wall of the stainless steel sheet 3, the sealing rings 2 and the outer wall of the pipeline 1;
s3: and (3) perforating any part of the steel cylinder, installing an injection pipe 5, and injecting sealant into the sealing cavity through the injection pipe 5 until the sealant is solidified to form a sealing layer 6.
Further, the stainless steel sheet 3 has a thickness of 1 mm.
Further, in step S3, the sealant includes the following components in parts by weight: 140 parts of resin, 18 parts of ethylenediamine, 45 parts of acetone, 35 parts of curing agent and 350 parts of filler.
Further, in step S3, the sealant setting time was 1.5 h.
Further, in step S3, the stainless steel sheet 3 is removed after the sealant is solidified, and the place where the surface of the sealant 6 is uneven is ground.
Example 3
As shown in fig. 1 to 2, the present embodiment provides a process for oil pipeline leakage sealing of a reusable mold, comprising the steps of:
s1: two sides of the leakage position of the pipeline 1 are respectively sleeved with a sealing ring 2;
s2: selecting a stainless steel sheet 3, rolling the stainless steel sheet 3 into a steel cylinder along two sealing rings 2, marking a mark line on the joint of the stainless steel sheet 3, punching a row of holes along the mark, and fixing the joint of the stainless steel sheet 3 by adopting a plurality of bolts 4 through the holes, so that a sealing cavity is formed by the inner wall of the stainless steel sheet 3, the sealing rings 2 and the outer wall of the pipeline 1;
s3: and (3) perforating any part of the steel cylinder, installing an injection pipe 5, and injecting sealant into the sealing cavity through the injection pipe 5 until the sealant is solidified to form a sealing layer 6.
Further, the stainless steel sheet 3 has a thickness of 2 mm.
Further, in step S3, the sealant includes the following components in parts by weight: 150 parts of resin, 20 parts of ethylenediamine, 50 parts of acetone, 50 parts of curing agent and 500 parts of filler.
Further, in step S3, the sealant setting time is 2 h.
Further, in step S3, the stainless steel sheet 3 is removed after the sealant is solidified, and the place where the surface of the sealant 6 is uneven is ground.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.
Claims (5)
1. The oil pipeline leakage sealing process of the reusable mould is characterized by comprising the following steps of:
s1: sealing rings (2) are respectively sleeved on two sides of the leakage position of the pipeline (1);
s2: selecting a stainless steel sheet (3), rolling the stainless steel sheet into a steel cylinder along two sealing rings (2), marking a mark line on the joint of the stainless steel sheet (3), punching a row of holes along the mark, and fixing the joint of the stainless steel sheet (3) by adopting a plurality of bolts (4) through the holes, so that a sealing cavity is formed by the inner wall of the stainless steel sheet (3), the sealing rings (2) and the outer wall of the pipeline (1);
s3: and (3) perforating any part of the steel cylinder, installing an injection pipe (5), and injecting sealant into the sealing cavity through the injection pipe (5) until the sealant is solidified to form a sealing layer (6).
2. The oil pipeline leakage sealing process of the reusable mould as claimed in claim 1, characterized in that the thickness of the stainless steel sheet (3) is 0.5mm-2 mm.
3. The oil pipeline leakage sealing process of the reusable mold as claimed in claim 1, wherein in step S3, the sealant comprises the following components in parts by weight: 150 portions of resin 120-plus, 15-20 portions of ethylenediamine, 30-50 portions of acetone, 30-50 portions of curing agent and 500 portions of filler 100-plus.
4. The oil pipeline leakage sealing process of the reusable mold according to claim 1 or 3, wherein in step S3, the sealant setting time is 1-2 h.
5. The oil pipeline leakage sealing process of the reusable mold according to claim 4, wherein in step S3, the stainless steel sheet (3) is removed after the sealant is solidified, and the place where the surface of the sealing layer (6) is uneven is ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911049145.XA CN110762333A (en) | 2019-10-30 | 2019-10-30 | Oil pipeline leakage sealing process capable of repeatedly using die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911049145.XA CN110762333A (en) | 2019-10-30 | 2019-10-30 | Oil pipeline leakage sealing process capable of repeatedly using die |
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| Publication Number | Publication Date |
|---|---|
| CN110762333A true CN110762333A (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911049145.XA Pending CN110762333A (en) | 2019-10-30 | 2019-10-30 | Oil pipeline leakage sealing process capable of repeatedly using die |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113752443A (en) * | 2021-09-22 | 2021-12-07 | 中铁工程装备集团有限公司 | Shield tunneling machine hinged sealing piece field joint die and forming method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1754061A (en) * | 2003-02-24 | 2006-03-29 | 3X工程公司 | Sleeve with insert for repairing high-pressure fluid pipes |
| CN201011409Y (en) * | 2006-08-28 | 2008-01-23 | 尚关奎 | Device used in method of molding pipe repairing leakage pipe line |
| CN103666264A (en) * | 2012-09-24 | 2014-03-26 | 肖怀龙 | Wall sealant |
| US20140124082A1 (en) * | 2012-11-02 | 2014-05-08 | B. Nash Williams | Pipeline reinforcement assembly and method |
| CN208442454U (en) * | 2018-06-21 | 2019-01-29 | 郑州新锐石油工程技术有限公司 | A kind of clip of pressure pipeline corrosion outer wall enhancing technique |
-
2019
- 2019-10-30 CN CN201911049145.XA patent/CN110762333A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1754061A (en) * | 2003-02-24 | 2006-03-29 | 3X工程公司 | Sleeve with insert for repairing high-pressure fluid pipes |
| CN201011409Y (en) * | 2006-08-28 | 2008-01-23 | 尚关奎 | Device used in method of molding pipe repairing leakage pipe line |
| CN103666264A (en) * | 2012-09-24 | 2014-03-26 | 肖怀龙 | Wall sealant |
| US20140124082A1 (en) * | 2012-11-02 | 2014-05-08 | B. Nash Williams | Pipeline reinforcement assembly and method |
| CN208442454U (en) * | 2018-06-21 | 2019-01-29 | 郑州新锐石油工程技术有限公司 | A kind of clip of pressure pipeline corrosion outer wall enhancing technique |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113752443A (en) * | 2021-09-22 | 2021-12-07 | 中铁工程装备集团有限公司 | Shield tunneling machine hinged sealing piece field joint die and forming method thereof |
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Application publication date: 20200207 |
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