CN103205761A - Pipe clamp type sacrificial anode installation device free from underwater welding - Google Patents
Pipe clamp type sacrificial anode installation device free from underwater welding Download PDFInfo
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- CN103205761A CN103205761A CN2013101625161A CN201310162516A CN103205761A CN 103205761 A CN103205761 A CN 103205761A CN 2013101625161 A CN2013101625161 A CN 2013101625161A CN 201310162516 A CN201310162516 A CN 201310162516A CN 103205761 A CN103205761 A CN 103205761A
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- pipe clamp
- sacrificial anode
- under water
- underwater
- exempting
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Abstract
The invention discloses a pipe clamp type sacrificial anode installation device free from underwater welding. The device comprises a pipe clamp (1) and a sacrificial anode block (2), wherein the sacrificial anode block (2) is arranged on the pipe clamp (1) and is electrically connected with the pipe clamp (1). The sacrificial anode block and the pipe clamp are connected into a whole in advance through welding; due to the pipe clamp, the sacrificial anode block can be quickly fixed on an underwater protected metal pipe fitting, so that the sacrificial anode block and the underwater protected metal pipe fitting are conducted; therefore, the effect of preventing underwater metal structures from being corroded and damaged is achieved. By the device, underwater high-efficiency installation of the sacrificial anode block is realized and conduction connection is kept; and the device disclosed by the invention is simple in structure and free from underwater welding, can be installed quickly and is capable of shortening offshore operation time and reducing offshore operation risks and the operation cost.
Description
Technical field
The invention belongs to marine oil engineering field, specifically refer to a kind of pipe clamp formula sacrificial anode erecting device of exempting to weld under water.
Background technology
Ocean environment is serious corrosive environment, seawater is the abundantest natural dielectric medium, in the surface seawater of ocean, normal salinity changes 32%～37.5%, be in the scope of aggressiveness maximum, chlorion in the salinity can destroy and hinder the passivation of metal, is called " metal virus ", and marine oil engineering steel construction is corroded by seawater or foggy marine atmosphere all mostly.In ocean environment, the corrosion speed of iron and steel approximately is 10 times of corrosion speed in the atmosphere.According to statistics, the marine oil engineering is because more than 6 times of the loss summation that the natural disasteies such as loss earthquake typhoon brought of corrosion cause.
At present, bring loss for the minimizing metal is corroded, cathode protecting process is used in marine oil engineering field, and two kinds of wherein maximum cathode protecting process are galvanic anode protection and impressed current cathodic protection.The galvanic anode protection maintaining method; be to adopt a kind of metal or alloy and protected metal than protected metal current potential more negative (chemical is more active) to link together, rely on this metal or alloy constantly the electric current that produces of corrosion dissolution make other metals acquisition cathodic polarizations and the method that is protected.This metal or alloy that self is corroded is called sacrificial anode.The galvanic anode protection method is widely used in marine oil engineering field because of advantages such as it need not that external power source, system design are simple, safe and reliable, Maintenance free,, simple installations low to monitoring requirement.
Yet, realize that under water the method for welding is under water adopted in the installation of sacrificial anode piece mostly, because water surrounding and the existence of pressure under water, there is very big difference on underwater welding termination process and land.Underwater welding technology difficulty height, poor welding quality, installation cost are extremely expensive.
Above-mentioned argumentation content purpose is all respects of the technology that may be relevant with all respects of the present invention that below will be described and/or advocate of introducing to the reader, believe that this argumentation content helps to provide background information for the reader, to be conducive to understanding all respects of the present invention better, therefore, should be appreciated that it is to read these argumentations with this angle, rather than admit prior art.
Summary of the invention
The objective of the invention is to avoid deficiency of the prior art and a kind of pipe clamp formula sacrificial anode erecting device of exempting to weld under water is provided, it can realize sacrificial anode piece installing/dismounting fast under water, comparing routine uses under water welded and installed to save the time greatly, and improved security, simplified erecting equipment.
Purpose of the present invention is achieved through the following technical solutions:
A kind of pipe clamp formula sacrificial anode erecting device of exempting to weld under water is provided, comprises pipe clamp and sacrificial anode piece, described sacrificial anode piece is arranged on the pipe clamp and with the pipe clamp conduction and is connected.
Wherein, described sacrificial anode piece is arranged on the periphery of pipe clamp.
Wherein, be provided with the conduction awl in the described pipe clamp week, the conduction awl is connected with the pipe clamp conduction.
Wherein, described pipe clamp is provided with screw, and described conduction awl is provided with the thread segment that is screwed onto in the screw.
Wherein, described pipe clamp is made up of two semi-rings, and the end of two semi-rings is bolted to connection.
Wherein, described pipe clamp is made up of two semi-rings, and an end of two semi-rings is hinged, and the other end is bolted to connection.
Wherein, described pipe clamp is made up of two semi-rings, and an end of two semi-rings is hinged, and the other end connects by the pressure handle bolting.
Owing to adopted above-mentioned structure; sacrificial anode piece of the present invention and pipe clamp are linked as an integral body in advance by welding; can realize fixing fast with protected metal tube under water by pipe clamp; make sacrificial anode piece and the conducting of protected hardware under water, thereby reach the effect of protecting metallic structures corrosion damage under water.The present invention has realized the underwater efficient installation of sacrificial anode piece and has kept conducting to connect to have characteristics simple in structure, as to exempt to weld Fast Installation under water, has shortened the offshore operation time, has reduced the offshore operation risk, has reduced operating cost.
Description of drawings
The invention will be further described to utilize accompanying drawing, but the embodiment in the accompanying drawing does not constitute any limitation of the invention, for those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to the following drawings.
Fig. 1 is the structural representation of the pipe clamp formula sacrificial anode erecting device of exempting to weld under water.
In Fig. 1, include: 1---pipe clamp, 2---sacrificial anode piece, 3---conduction awl.
Embodiment
In order to make those skilled in the art understand technical scheme of the present invention better, the present invention is described in further detail below in conjunction with the drawings and specific embodiments, need to prove that under the situation of not conflicting, the application's embodiment and the feature among the embodiment can make up mutually.
Core of the present invention is to provide a kind of pipe clamp formula sacrificial anode erecting device of exempting to weld under water, it can realize sacrificial anode piece installing/dismounting fast under water, compare routine and use under water welded and installed to save the time greatly, and improved security, simplified erecting equipment.
As shown in Figure 1, pipe clamp formula sacrificial anode erecting device of exempting to weld under water of the present invention comprises pipe clamp 1 and sacrificial anode piece 2, and sacrificial anode piece 2 can be made according to protected hardware and its parameter of corrosive environment under water of living in; Pipe clamp 1 is made and is assembled according to protected metal tube size system.Described pipe clamp 1 is made up of two semi-rings, and the end of two semi-rings is bolted to connection; Perhaps an end of two semi-rings is hinged, and the other end is bolted to connection; Perhaps an end of two semi-rings is hinged, and the other end connects by the pressure handle bolting, and pressure handle bolt installation and removal operation is all fairly simple.Described sacrificial anode piece 2 is arranged on the pipe clamp 1 and with pipe clamp 1 conduction and is connected, and the sacrificial anode piece can realize that with pipe clamp fixing conduction is connected by the mode of welding.Described sacrificial anode piece 2 is arranged on the periphery of pipe clamp 1, and sacrificial anode piece 2 can be a plurality of, is distributed on the periphery of pipe clamp 1.Be provided with conduction awl 3 in the described pipe clamp 1 week, conduction awl 3 is connected with pipe clamp 1 conduction.Conduction awl 3 can be a plurality of, is distributed on the interior week of pipe clamp 1.The mounting means of conduction awl 3 is that described pipe clamp 1 is provided with screw, and described conduction awl 3 is provided with the thread segment that is screwed onto in the screw.The conduction awl forms conducting by the pipe clamp screw with sacrificial anode piece and protected hardware.
The present invention specifically uses step as follows:
1, carries out the manufacturing of sacrificial anode piece according to protected hardware and its parameter of corrosive environment under water of living in;
2, carry out pipe clamp manufacturing and assembling according to protected metal tube size;
3, through welding process sacrificial anode piece and pipe clamp are linked as together;
4, the frogman is buckled in pipe clamp protected metal tube under water and tightens installing and fixing of bolt realization sacrificial anode piece;
5, the frogman tightens to conduct electricity to bore until between conduction awl and protected metal tube by the pipe clamp screw under water and is metallic contact, and the employing set nut locks;
6, the frogman tests the conduction of sacrificial anode piece and protected hardware under water;
7, if the installation work under water of sacrificing has namely been finished in conducting between sacrificial anode piece and protected hardware.
Set forth a lot of details so that fully understand the present invention in the top description, still, the present invention can also adopt other to be different from other modes described here and implement, and therefore, can not be interpreted as limiting the scope of the invention.
In a word; though the present invention has exemplified above-mentioned preferred implementation, should illustrate, though those skilled in the art can carry out various variations and remodeling; unless such variation and remodeling have departed from scope of the present invention, otherwise all should be included in protection scope of the present invention.
Claims (7)
1. pipe clamp formula sacrificial anode erecting device of exempting to weld under water is characterized in that: comprise pipe clamp (1) and sacrificial anode piece (2), described sacrificial anode piece (2) is arranged on that pipe clamp (1) is gone up and is connected with pipe clamp (1) conduction.
2. pipe clamp formula sacrificial anode erecting device of exempting to weld under water according to claim 1, it is characterized in that: described sacrificial anode piece (2) is arranged on the periphery of pipe clamp (1).
3. pipe clamp formula sacrificial anode erecting device of exempting to weld under water according to claim 2 is characterized in that: be provided with conduction awl (3) interior week of described pipe clamp (1), conduction awl (3) conducts electricity with pipe clamp (1) and is connected.
4. pipe clamp formula sacrificial anode erecting device of exempting to weld under water according to claim 3, it is characterized in that: described pipe clamp (1) is provided with screw, and described conduction awl (3) is provided with the thread segment that is screwed onto in the screw.
5. according to each described pipe clamp formula sacrificial anode erecting device of exempting to weld under water in the claim 1 to 4, it is characterized in that: described pipe clamp (1) is made up of two semi-rings, and the end of two semi-rings is bolted to connection.
6. according to each described pipe clamp formula sacrificial anode erecting device of exempting to weld under water in the claim 1 to 4, it is characterized in that: described pipe clamp (1) is made up of two semi-rings, and an end of two semi-rings is hinged, and the other end is bolted to connection.
7. according to each described pipe clamp formula sacrificial anode erecting device of exempting to weld under water in the claim 1 to 4, it is characterized in that: described pipe clamp (1) is made up of two semi-rings, and an end of two semi-rings is hinged, and the other end connects by the pressure handle bolting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101625161A CN103205761A (en) | 2013-05-06 | 2013-05-06 | Pipe clamp type sacrificial anode installation device free from underwater welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101625161A CN103205761A (en) | 2013-05-06 | 2013-05-06 | Pipe clamp type sacrificial anode installation device free from underwater welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103205761A true CN103205761A (en) | 2013-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101625161A Pending CN103205761A (en) | 2013-05-06 | 2013-05-06 | Pipe clamp type sacrificial anode installation device free from underwater welding |
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| Country | Link |
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| CN (1) | CN103205761A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107502897A (en) * | 2017-07-26 | 2017-12-22 | 中国海洋石油总公司 | No-welding sea pipe sacrificial anode device |
| CN110484923A (en) * | 2019-08-27 | 2019-11-22 | 国网浙江省电力有限公司电力科学研究院 | A kind of cathodic protection anti-corrosive apparatus of submarine cable copper armor |
| CN113881942A (en) * | 2020-07-03 | 2022-01-04 | 上海勘测设计研究院有限公司 | Sacrificial anode cage device of underwater pile foundation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4284488A (en) * | 1979-03-30 | 1981-08-18 | Global Cathodic Protection, Ltd. | Sacrificial anode assembly |
| US20030140977A1 (en) * | 2000-11-10 | 2003-07-31 | Hugues Berton | Cathodic protection device for flexible pipes |
| CN203247309U (en) * | 2013-05-06 | 2013-10-23 | 中国海洋石油总公司 | Underwater welding-free pipe clamp type sacrificial anode mounting device |
-
2013
- 2013-05-06 CN CN2013101625161A patent/CN103205761A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4284488A (en) * | 1979-03-30 | 1981-08-18 | Global Cathodic Protection, Ltd. | Sacrificial anode assembly |
| US20030140977A1 (en) * | 2000-11-10 | 2003-07-31 | Hugues Berton | Cathodic protection device for flexible pipes |
| CN203247309U (en) * | 2013-05-06 | 2013-10-23 | 中国海洋石油总公司 | Underwater welding-free pipe clamp type sacrificial anode mounting device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107502897A (en) * | 2017-07-26 | 2017-12-22 | 中国海洋石油总公司 | No-welding sea pipe sacrificial anode device |
| CN110484923A (en) * | 2019-08-27 | 2019-11-22 | 国网浙江省电力有限公司电力科学研究院 | A kind of cathodic protection anti-corrosive apparatus of submarine cable copper armor |
| CN110484923B (en) * | 2019-08-27 | 2024-02-13 | 国网浙江省电力有限公司电力科学研究院 | Cathode protection anticorrosion device for copper armor layer of submarine cable |
| CN113881942A (en) * | 2020-07-03 | 2022-01-04 | 上海勘测设计研究院有限公司 | Sacrificial anode cage device of underwater pile foundation |
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Application publication date: 20130717 |