CN109737271A - A kind of flexible anode mounting structure for pipeline internal corrosion - Google Patents
A kind of flexible anode mounting structure for pipeline internal corrosion Download PDFInfo
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- CN109737271A CN109737271A CN201910148789.8A CN201910148789A CN109737271A CN 109737271 A CN109737271 A CN 109737271A CN 201910148789 A CN201910148789 A CN 201910148789A CN 109737271 A CN109737271 A CN 109737271A
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- flexible anode
- ring flange
- mounting structure
- flexible
- supervisor
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Abstract
A kind of flexible anode mounting structure for pipeline internal corrosion, including tee tube, seal nipple, asbestos washer and flexible anode；Three ends of tee tube are provided with asbestos washer, and flexible anode is arranged in tee tube, and by connecting with seal nipple, an end of tee tube is arranged in seal nipple for one end of flexible anode.The present invention solves the problems, such as that flexible anode is installed in small-bore pipeline, has filled up the blank of cathodic protection technology in small-bore pipeline.
Description
Technical field
The invention belongs to the corrosion and protection technical field of pipeline, in particular to a kind of flexibility sun for pipeline internal corrosion
Pole mounting structure.
Background technique
Because at home and abroad many oil fields are generally existing for oil field small-bore pipeline perforation problem caused by corroding.Oil field is being developed
In the process, the especially oil well of development time longer oil field and oil-water well or complex geographical environment, since moisture content is continuous
It increasing, the enhancing of pipeline corrosive medium, small-bore pipeline inner wall perforation number in oil field is increasing, and pipeline is frequently run-down,
Such as it cannot find or dispose in time not in time, can cause to dodge that quick-fried, kindling, the poisoning of personnel's oil gas, that crude oil outflow enters environment is quick
The safety and environmental protections accident such as sensillary area brings great hidden danger to the safety and environmental protection in oil field.
Cathode protection technology is that measure is effectively protected in one kind.And Traditional DC cathode protection technology is mainly used in pipeline
Anti-corrosion in outer anti-corrosion and large diameter pipeline, the protection potential coverage distance of traditional impressed current anode is short in small-bore pipeline, can not
It is uniformly distributed inner wall of the pipe protection potential, while under proteciton and overprotection occurs, internal corrosion protection effect is not achieved.And tradition
Impressed current anode need to beat anode well, difficulty of construction is big, and cost effectiveness is high, limits the application of cathode protection technology.
Summary of the invention
The purpose of the present invention is to provide a kind of flexible anode mounting structures for pipeline internal corrosion, to solve above-mentioned ask
Topic.
To achieve the above object, the invention adopts the following technical scheme:
A kind of flexible anode mounting structure for pipeline internal corrosion, including tee tube, seal nipple, asbestos washer and soft
Property anode；Three ends of tee tube are provided with asbestos washer, and flexible anode is arranged in tee tube, one end of flexible anode
By connecting with seal nipple, an end of tee tube is arranged in seal nipple.
Further, tee tube includes supervisor and branch pipe, and branch pipe setting is on supervisor's side wall, and branch pipe central axes and supervisor
Central axes angle at 45 °；The both ends of supervisor are respectively arranged with first flange disk and second flange disk, and branch tube end is provided with third
Ring flange.
Further, third ring flange has been bolted the 4th ring flange, third ring flange and the 4th ring flange it
Between be provided with asbestos washer；Screw thread is provided in the centre bore of 4th ring flange, seal nipple is threadedly coupled with the 4th ring flange.
Further, the first flange disk and second flange disk at the both ends of supervisor are connect by ring flange with other pipelines；
Asbestos washer is provided between first flange disk and second flange disk and the ring flange of other pipelines.
Further, flexible anode is MMO/Ti type anode, diameter 25mm.
Further, the cable of flexible anode is connect with seal nipple, and filling epoxy resin sealing, soft inside seal nipple
Property anode and seal nipple contact resistance be not more than 0.02 Ω.
Further, supervisor and branch pipe are steel pipe, and pipeline is DN200 pipeline below.
Compared with prior art, the present invention has following technical effect:
The present invention solves the problems, such as that flexible anode is installed in small-bore pipeline, has filled up anti-corrosion yin in small-bore pipeline
The blank of pole protection technique.
The present invention is installed by the way of flanged tee, reduces difficulty of construction, improves the leakproofness of flexible anode, is increased
The strong applicability of high-frequency pulse current cathode protection technology.
Exposed tube wall and conducting wire, has carried out stringent anti-corrosion insulation.
The present invention solves the problems, such as that flexible anode is installed in DN200 or less pipeline, has filled up in DN200 or less pipeline
The blank of cathodic protection technology.
The present invention is installed by the way of flanged tee, reduces difficulty of construction, ensure that the leakproofness of flexible anode, is increased
The strong applicability of high-frequency pulse current cathode protection technology.
Exposed conducting wire has outsourced metal bellows and buried, has carried out stringent anti-corrosion insulation.
Flanged joint position is all provided with asbestos washer, has carried out stringent anti-corrosion insulation.
Detailed description of the invention
Fig. 1 is flexible anode scheme of installation of the present invention.
Fig. 2 is real flexible anode sectional view of the invention.
Fig. 3 is the 4th ring flange schematic diagram of the invention.
Wherein: 1, asbestos washer；2, seal nipple；3, third ring flange；4, the 4th ring flange；5, branch pipe；6, the first method
Blue disk；7, flexible anode；8, it is responsible for；9, tee tube；10, second flange disk；11, anode body；12, flexible anode cable；13,
Screw thread.
Specific embodiment
Below in conjunction with attached drawing, the present invention is further described:
Please refer to Fig. 1 and Fig. 2, a kind of flexible anode mounting structure for pipeline internal corrosion, including tee tube 9, sealing
Connector 2, asbestos washer 1 and flexible anode 7；Three ends of tee tube 9 are provided with asbestos washer 1, and the setting of flexible anode 7 exists
In tee tube 9, by connecting with seal nipple 2, an end of tee tube 9 is arranged in seal nipple 2 for one end of flexible anode 7
Portion.
Tee tube 9 includes supervisor 8 and branch pipe 5, and branch pipe 5 is arranged on being responsible for 8 side walls, and in 5 central axes of branch pipe and supervisor 8
Axis angle at 45 °；The both ends of supervisor 8 are respectively arranged with first flange disk 6 and second flange disk 10, and 5 end of branch pipe is provided with
Third ring flange 3.
The 4th ring flange 4 has been bolted in third ring flange 3, is arranged between third ring flange 3 and the 4th ring flange 4
There is asbestos washer 1；Screw thread 13 is provided in the centre bore of 4th ring flange 4, seal nipple 2 is threadedly coupled with the 4th ring flange 4.
The first flange disk 6 and second flange disk 10 at the both ends of supervisor 8 are connect by ring flange with other pipelines；First method
Asbestos washer 1 is provided between blue disk 6 and second flange disk 10 and the ring flange of other pipelines.
Flexible anode 7 is MMO/Ti type anode, diameter 25mm.
The cable of flexible anode is connect with seal nipple 2, the filling epoxy resin sealing in 2 inside of seal nipple, flexible anode 7
It is not more than 0.02 Ω with the contact resistance of seal nipple 2.
Supervisor 8 and branch pipe 5 are steel pipe.
A kind of flexible anode mounting structure for pipeline internal corrosion includes flexible anode 7, and flexible anode cable 12 passes through
Seal nipple 2 carries out insulated enclosure, and seal nipple 2 is threadedly attached in the 4th ring flange 4；Flexible anode passes through threeway flange
9 are laid in pipe, and threeway flange 9 is equipped with first flange disk 6, second flange disk 10, third ring flange 3, each method of threeway flange 9
Blue disk is connect with pipe flange is equipped with asbestos washer 1.
The flexible anode 7 is MMO/Ti type anode, diameter 25mm.
The flexible anode main body 11 is titanium alloy, and flexible anode cable 12 is copper core.The every interval 2m of anode body 11 is same
Flexible anode cable 12 is attached using mechanical crimp with welding connecting mode.As shown in Figure 3.
The flexible anode cable 12 is connect with seal nipple 2, the filling epoxy resin sealing in 2 inside of seal nipple, soft
Property anode 7 and seal nipple 2 contact resistance be not more than 0.02 Ω.
Welding supervisor 8, supervisor and first flange disk 6 and second between the first flange disk 6 and second flange disk 10
10 central axes of ring flange are overlapped, and supervisor's length is 300mm；8 outer wall branch pipe welded directly to the run pipe 5 are responsible for, in the 5 end center of circle of branch pipe and supervisor 8
Axis midpoint is overlapped, and 5 central axes of branch pipe and supervisor's 8 central axes angle at 45 °, 5 length of branch pipe is 200mm.
3 central axes of third ring flange are overlapped with 5 central axes of branch pipe, and third ring flange 3 and 5 front end of branch pipe pass through weldering
It connects in succession.
The flexible anode sequentially passes through branch pipe 5,8 parts of supervisor and first flange disk 6, is laid in small-bore pipeline
Wall.
External screw thread is had on the seal nipple 2, is threadedly coupled with the 4th ring flange center hole 13.
The first flange disk 6, second flange disk 10, third ring flange 3,4 material of the 4th ring flange are stainless steel.
The supervisor 8 and 5 material of branch pipe is 20# steel；Pipeline is DN200 pipeline below.
Claims (7)
1. a kind of flexible anode mounting structure for pipeline internal corrosion, which is characterized in that including tee tube (9), seal nipple
(2), asbestos washer (1) and flexible anode (7)；Three ends of tee tube (9) are provided with asbestos washer (1), flexible anode
(7) setting is in tee tube (9), and by connecting with seal nipple (2), seal nipple (2) setting exists for one end of flexible anode (7)
One end of tee tube (9).
2. a kind of flexible anode mounting structure for pipeline internal corrosion according to claim 1, which is characterized in that threeway
Managing (9) includes supervisor (8) and branch pipe (5), and branch pipe (5) is arranged on supervisor (8) side wall, and branch pipe (5) central axes and supervisor (8)
Central axes angle at 45 °；The both ends of supervisor (8) are respectively arranged with first flange disk (6) and second flange disk (10), branch pipe (5)
End is provided with third ring flange (3).
3. a kind of flexible anode mounting structure for pipeline internal corrosion according to claim 2, which is characterized in that third
The 4th ring flange (4) has been bolted in ring flange (3), is provided with stone between third ring flange (3) and the 4th ring flange (4)
Cotton pad piece (1)；It is provided with screw thread (13) in the centre bore of 4th ring flange (4), seal nipple (2) and the 4th ring flange (4) spiral shell
Line connection.
4. a kind of flexible anode mounting structure for pipeline internal corrosion according to claim 2, which is characterized in that supervisor
(8) the first flange disk (6) and second flange disk (10) at both ends are connect by ring flange with other pipelines；First flange disk
(6) it is provided between second flange disk (10) and the ring flange of other pipelines asbestos washer (1).
5. a kind of flexible anode mounting structure for pipeline internal corrosion according to claim 1, which is characterized in that flexible
Anode (7) is MMO/Ti type anode, diameter 25mm.
6. a kind of flexible anode mounting structure for pipeline internal corrosion according to claim 1, which is characterized in that flexible
The cable of anode is connect with seal nipple (2), the internal filling epoxy resin sealing of seal nipple (2), flexible anode (7) and sealing
The contact resistance of connector (2) is not more than 0.02 Ω.
7. a kind of flexible anode mounting structure for pipeline internal corrosion according to claim 2, which is characterized in that supervisor
(8) and branch pipe (5) is steel pipe；Pipeline is DN200 pipeline below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910148789.8A CN109737271A (en) | 2019-02-28 | 2019-02-28 | A kind of flexible anode mounting structure for pipeline internal corrosion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910148789.8A CN109737271A (en) | 2019-02-28 | 2019-02-28 | A kind of flexible anode mounting structure for pipeline internal corrosion |
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| Publication Number | Publication Date |
|---|---|
| CN109737271A true CN109737271A (en) | 2019-05-10 |
Family
ID=66368832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910148789.8A Pending CN109737271A (en) | 2019-02-28 | 2019-02-28 | A kind of flexible anode mounting structure for pipeline internal corrosion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109737271A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114562619A (en) * | 2022-03-25 | 2022-05-31 | 安徽萍聚德医疗科技股份有限公司 | Pipeline system for sterile water preparation |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3140928A1 (en) * | 1981-10-15 | 1983-05-05 | Otto Niedung KG, 3000 Hannover | Method and device for subsequently pulling telecommunications cables into supply lines |
| US20020079697A1 (en) * | 2000-12-27 | 2002-06-27 | Willem Griffioen | Y-branch splittable connector |
| US20120012386A1 (en) * | 2008-09-11 | 2012-01-19 | I3 Group Limited | Laying network cables in water supply pipes |
| CN102788203A (en) * | 2011-05-20 | 2012-11-21 | 诺马德国有限责任公司 | Connector for a fluid line and fluid line |
| WO2017085466A1 (en) * | 2015-11-16 | 2017-05-26 | Craley Group Limited | A pipe connector fitting |
| CN206486600U (en) * | 2017-02-27 | 2017-09-12 | 中国石油天然气集团公司 | A kind of cathode protection device applied to shield water seal tunnel |
| CN206889909U (en) * | 2017-05-15 | 2018-01-16 | 浙江江丰股份有限公司 | A kind of one-shot forming flange disk |
| CN207483850U (en) * | 2017-11-10 | 2018-06-12 | 杨洪祥 | A kind of pipe cathode antiseptic project |
-
2019
- 2019-02-28 CN CN201910148789.8A patent/CN109737271A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3140928A1 (en) * | 1981-10-15 | 1983-05-05 | Otto Niedung KG, 3000 Hannover | Method and device for subsequently pulling telecommunications cables into supply lines |
| US20020079697A1 (en) * | 2000-12-27 | 2002-06-27 | Willem Griffioen | Y-branch splittable connector |
| US20030080555A1 (en) * | 2000-12-27 | 2003-05-01 | Nkf Kabel B.V. | Y-branch splittable connector |
| US20120012386A1 (en) * | 2008-09-11 | 2012-01-19 | I3 Group Limited | Laying network cables in water supply pipes |
| CN102788203A (en) * | 2011-05-20 | 2012-11-21 | 诺马德国有限责任公司 | Connector for a fluid line and fluid line |
| WO2017085466A1 (en) * | 2015-11-16 | 2017-05-26 | Craley Group Limited | A pipe connector fitting |
| CN206486600U (en) * | 2017-02-27 | 2017-09-12 | 中国石油天然气集团公司 | A kind of cathode protection device applied to shield water seal tunnel |
| CN206889909U (en) * | 2017-05-15 | 2018-01-16 | 浙江江丰股份有限公司 | A kind of one-shot forming flange disk |
| CN207483850U (en) * | 2017-11-10 | 2018-06-12 | 杨洪祥 | A kind of pipe cathode antiseptic project |
Non-Patent Citations (1)
| Title |
|---|
| 吴炯、沈官秋: "《电气材料及其应用》", 30 March 1983, 陕西科学技术出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114562619A (en) * | 2022-03-25 | 2022-05-31 | 安徽萍聚德医疗科技股份有限公司 | Pipeline system for sterile water preparation |
| CN114562619B (en) * | 2022-03-25 | 2023-05-19 | 安徽萍聚德医疗科技股份有限公司 | Pipe system for sterile water preparation |
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Application publication date: 20190510 |