CN111189764B - Suspension device for corrosion hanging piece in pipeline - Google Patents
Suspension device for corrosion hanging piece in pipeline Download PDFInfo
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- CN111189764B CN111189764B CN201811349948.2A CN201811349948A CN111189764B CN 111189764 B CN111189764 B CN 111189764B CN 201811349948 A CN201811349948 A CN 201811349948A CN 111189764 B CN111189764 B CN 111189764B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/006—Investigating resistance of materials to the weather, to corrosion, or to light of metals
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Abstract
The invention discloses a suspension device for corrosion hanging pieces in a pipeline, which relates to the technical field of corrosion tests and comprises a welding head, a plurality of metal corrosion pipe pieces, a plurality of insulating gaskets and a corrosion hanging piece rod with threads, wherein the corrosion hanging piece rod with the threads is connected with a first nut, one end of the welding head is connected with the inner wall of the pipeline, the other end of the welding head is connected with a second nut, the insulating gaskets are arranged between the first nut and the second nut at intervals, and the metal corrosion pipe pieces are arranged between the two insulating gaskets arranged at intervals. The invention has the advantages that the corrosion hanging piece can be safely and conveniently installed and detached without opening a pore channel on the outer side of the pipeline in advance by firing, the integrity of the pipeline is not influenced, the medium corrosion data in the pipeline can be timely and accurately obtained, and unsafe factors such as firing and the like are avoided.
Description
Technical Field
The invention relates to the technical field of corrosion tests, in particular to a suspension device for corrosion hanging pieces in a pipeline.
Background
In the later development stage of an oil-gas field, along with the change of water content and stratum conditions, the content of anions and cations, the mineralization degree and the like in produced liquid change violently, and corrosion perforation of a pipeline is easily caused; also, during natural gas production, the presence of acid gases (hydrogen sulfide, carbon dioxide, etc.) can accelerate corrosion of the pipeline.
The corrosion coupon monitoring is used as an important component of a corrosion monitoring system, has the advantages of simple operation, comprehensive corrosion information, wide applicable corrosion environment, reliable data and the like, and is always used as an important corrosion monitoring method and material selection basis for production equipment and gathering and transportation pipelines. However, the arrangement process of the corrosion hanging piece suspension device in the oil and gas field pipeline is complex at present, the opening is usually required to be subjected to fire driving to be suspended and fixed according to the situation, meanwhile, the hanging piece device is not corrosion-resistant and scaling in the monitoring operation process, and the problem that the hanging piece is difficult to take out and the operation is complex seriously affects the monitoring data.
Disclosed in patent No. 201721537562.5 is a device for measuring corrosion coupon, including the coupon pole, the coupon head, a sealing cylinder and a ball valve, coupon pole top is equipped with sealing cylinder complex external screw thread, the bottom passes through threaded connection with coupon head top, coupon head bottom is equipped with the coupon hole, sealing cylinder bottom passes through threaded connection with the ball valve, the top is equipped with coupon pole top complex internal thread, the ball valve is established on testing official way, coupon pole and coupon head can get into testing tube through sealing cylinder and ball valve, be equipped with in the sealing cylinder can with coupon pole complex sealing washer. However, the device needs to fire and open a threaded opening on the outer side of the pipeline in advance, and certain leakage safety risk exists.
The method is used for monitoring the corrosive influence of the internal medium on the pipeline in the operation process of the pipeline so as to solve the problem in a targeted manner; meanwhile, in order to conveniently detect the effect of various anticorrosion measures, a hanging device capable of conveniently and quickly arranging a pipeline corrosion hanging piece in the operation of the pipeline is urgently needed to be developed.
Disclosure of Invention
In order to solve the technical problem, the invention discloses a suspension device for corrosion hanging pieces in a pipeline.
In order to realize the purpose, the invention adopts the following technical scheme:
the utility model provides a linkage of corruption lacing film in pipeline, includes soldered connection, threaded corruption lacing film pole, a plurality of metallic corrosion section of jurisdiction and a plurality of insulating gasket, threaded corruption lacing film pole links to each other with first nut, the one end of soldered connection is connected with the inner wall of pipeline, and the other end links to each other with the second nut, first nut the spaced is provided with a plurality of insulating gaskets between the second nut, is provided with the metallic corrosion section of jurisdiction between the insulating gasket that two intervals set up.
The technical scheme of the invention also comprises that the number of the insulating spacers is three, and the insulating spacers are respectively a first insulating spacer, a second insulating spacer and a third insulating spacer.
The technical scheme of the invention also comprises that a first metal corrosion segment is fixedly arranged between the first insulating gasket and the second insulating gasket.
The technical scheme of the invention also comprises that a second metal corrosion segment is fixedly arranged between the second insulating spacer and the third insulating spacer.
The technical scheme of the invention also comprises that the corrosion hanger rod with the threads is in threaded connection with the first nut.
The technical scheme of the invention also comprises that the second nut and the welding head are in threaded connection.
The technical scheme of the invention also comprises that the first metal corrosion duct piece and the second metal corrosion duct piece are arranged along the laying direction of the pipeline.
The technical scheme of the invention also comprises that the welding head is welded and fixed with the inner wall of the pipeline.
Compared with the prior art, the device has the advantages that a duct does not need to be arranged on the outer side of the pipeline in advance by fire, the corrosion hanging piece can be safely and conveniently installed and detached without influencing the integrity of the pipeline, the medium corrosion data in the pipeline can be timely and accurately obtained, and unsafe factors such as fire and the like are avoided; the effectual structure complicacy, the loaded down with trivial details, the poor scheduling problem of maneuverability of having solved among the current pipeline corrosion lacing film device, the practicality is strong, the dismouting is convenient, convenient to use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the present invention.
Wherein, 1, a valve hand wheel; 2. a valve; 3. a pipeline; 4. a threaded corrosion hanger rod; 5. a first nut; 6. a first insulating pad; 7. a second insulating spacer; 8. a third insulating spacer; 9. a first metal etching segment; 10. a second metal etching segment; 11. a second nut; 12. and (5) welding a head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the hanging device for the corrosion coupon in the pipeline comprises a corrosion coupon rod 4 with threads, two nuts, a welding head 12, three insulating gaskets and a plurality of metal corrosion coupons, wherein the corrosion coupon rod 4 with the threads is connected with a first nut 5, one end of the welding head 12 is connected with the inner wall of the pipeline 3, the other end of the welding head is connected with a second nut 11, the three insulating gaskets are arranged between the first nut 5 and the second nut 11 at intervals, and the metal corrosion coupons are arranged between the two insulating gaskets arranged at intervals.
Specifically, the number of the insulating spacers is three, and the insulating spacers are a first insulating spacer 6, a second insulating spacer 7, and a third insulating spacer 8.
Particularly, a first metal corrosion duct piece 9 is fixedly arranged between the first insulating gasket 6 and the second insulating gasket 7, a second metal corrosion duct piece 10 is fixedly arranged between the second insulating gasket 7 and the third insulating gasket 8, and the two metal corrosion duct pieces are used for testing the corrosion rate of fluid in the pipeline 3; the first insulating gasket 6 is used for isolating the first metal corrosion segment 9 from the first nut 5, the second insulating gasket 7 is used for isolating the first metal corrosion segment 9 from the second metal corrosion segment 10, and the third insulating gasket 8 is used for isolating the second metal corrosion segment 10 from the second nut 11.
In particular, the threaded corrosion hanger rod 4 is in threaded connection with the first nut 5, and the threads on the threaded corrosion hanger rod 4 and the first nut 5 are matched to firmly fix the two.
In particular, the second nut 11 and the welding head 12 are connected by screw threads, and the upper part of the welding head 12 is provided with screw threads which are matched with the second nut 11 to firmly fix the two.
Specifically, the first metal etching segment 9 and the second metal etching segment 10 are arranged along the laying direction of the pipeline 3.
The device is arranged inside a pipeline 3 provided with a valve hand wheel 1 and a plurality of valves 2, a pore channel does not need to be arranged on the outer side of the pipeline 3 in advance, the metal corrosion hanging piece can be safely and conveniently installed and detached through two nuts, and the practicability is high.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make various changes, modifications, additions and substitutions within the spirit and scope of the present invention.
Claims (1)
1. The suspension device for the corrosion hanging pieces in the pipeline is characterized by being arranged inside the pipeline provided with a valve hand wheel and a plurality of valves and comprising a welding head, a corrosion hanging piece rod with threads, a plurality of metal corrosion pipe pieces and a plurality of insulation gaskets, wherein the corrosion hanging piece rod with the threads is connected with a first nut, one end of the welding head is connected with the inner wall of the pipeline, the other end of the welding head is connected with a second nut, the insulation gaskets are arranged between the first nut and the second nut at intervals, and the metal corrosion pipe pieces are arranged between the two insulation gaskets arranged at intervals;
the number of the insulating gaskets is three, and the insulating gaskets are respectively a first insulating gasket, a second insulating gasket and a third insulating gasket;
a first metal corrosion segment is fixedly arranged between the first insulating gasket and the second insulating gasket;
a second metal corrosion segment is fixedly arranged between the second insulating spacer and the third insulating spacer;
the corrosion hanger rod with the threads is in threaded connection with the first nut;
the second nut and the welding head are in threaded connection;
the first metal corrosion duct piece and the second metal corrosion duct piece are arranged along the laying direction of the pipeline;
and the welding head is welded and fixed with the inner wall of the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811349948.2A CN111189764B (en) | 2018-11-14 | 2018-11-14 | Suspension device for corrosion hanging piece in pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811349948.2A CN111189764B (en) | 2018-11-14 | 2018-11-14 | Suspension device for corrosion hanging piece in pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN111189764A CN111189764A (en) | 2020-05-22 |
| CN111189764B true CN111189764B (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811349948.2A Active CN111189764B (en) | 2018-11-14 | 2018-11-14 | Suspension device for corrosion hanging piece in pipeline |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201628670U (en) * | 2010-03-10 | 2010-11-10 | 中国石油天然气股份有限公司 | On-line corrosion monitoring device for natural gas pipeline |
| CN202305377U (en) * | 2011-11-07 | 2012-07-04 | 中国石油化工股份有限公司 | Hanger device for corrosion test in pipelines of oil refining device |
| CN203559897U (en) * | 2013-11-19 | 2014-04-23 | 中国石油化工股份有限公司 | Underground hanging-piece corrosion test unit |
| CN204028051U (en) * | 2014-06-23 | 2014-12-17 | 中国石油天然气股份有限公司 | Harmless pipeline coupon test device |
| CN105891100A (en) * | 2016-07-05 | 2016-08-24 | 天津亿利科能源科技发展股份有限公司 | Corrosion detecting method for petroleum pipeline without stopping production |
| CN106383084A (en) * | 2016-08-30 | 2017-02-08 | 中国石油大学(北京) | Field test device for all-angle detection of oil and gas pipeline inner wall corrosion |
| JP3212655U (en) * | 2017-07-13 | 2017-09-21 | ペンタフ株式会社 | Tube mount sensor mount |
| CN207007639U (en) * | 2017-06-09 | 2018-02-13 | 中国石油化工股份有限公司华北油气分公司石油工程技术研究院 | A kind of well head corrosion monitoring structure and the gas testing production test unit with the structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8646487B2 (en) * | 2010-10-11 | 2014-02-11 | Mustang Sampling Llc | Corrosion coupon holder |
-
2018
- 2018-11-14 CN CN201811349948.2A patent/CN111189764B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201628670U (en) * | 2010-03-10 | 2010-11-10 | 中国石油天然气股份有限公司 | On-line corrosion monitoring device for natural gas pipeline |
| CN202305377U (en) * | 2011-11-07 | 2012-07-04 | 中国石油化工股份有限公司 | Hanger device for corrosion test in pipelines of oil refining device |
| CN203559897U (en) * | 2013-11-19 | 2014-04-23 | 中国石油化工股份有限公司 | Underground hanging-piece corrosion test unit |
| CN204028051U (en) * | 2014-06-23 | 2014-12-17 | 中国石油天然气股份有限公司 | Harmless pipeline coupon test device |
| CN105891100A (en) * | 2016-07-05 | 2016-08-24 | 天津亿利科能源科技发展股份有限公司 | Corrosion detecting method for petroleum pipeline without stopping production |
| CN106383084A (en) * | 2016-08-30 | 2017-02-08 | 中国石油大学(北京) | Field test device for all-angle detection of oil and gas pipeline inner wall corrosion |
| CN207007639U (en) * | 2017-06-09 | 2018-02-13 | 中国石油化工股份有限公司华北油气分公司石油工程技术研究院 | A kind of well head corrosion monitoring structure and the gas testing production test unit with the structure |
| JP3212655U (en) * | 2017-07-13 | 2017-09-21 | ペンタフ株式会社 | Tube mount sensor mount |
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| Publication number | Publication date |
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| CN111189764A (en) | 2020-05-22 |
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Effective date of registration: 20221129 Address after: 100020 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Applicant after: CHINA PETROLEUM & CHEMICAL Corp. Applicant after: Sinopec Safety Engineering Research Institute Co.,Ltd. Applicant after: SINOPEC NORTH CHINA OIL AND GAS Co. Address before: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Applicant before: CHINA PETROLEUM & CHEMICAL Corp. Applicant before: SINOPEC Research Institute OF SAFETY ENGINEERING Applicant before: SINOPEC NORTH CHINA OIL AND GAS Co. |
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