CN102969579A - Grounding electrode - Google Patents

Grounding electrode Download PDF

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Publication number
CN102969579A
CN102969579A CN2012104535641A CN201210453564A CN102969579A CN 102969579 A CN102969579 A CN 102969579A CN 2012104535641 A CN2012104535641 A CN 2012104535641A CN 201210453564 A CN201210453564 A CN 201210453564A CN 102969579 A CN102969579 A CN 102969579A
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CN
China
Prior art keywords
cylinder
earth electrode
steel
steel pipe
spelter
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Application number
CN2012104535641A
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Chinese (zh)
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CN102969579B (en
Inventor
于小辉
于兴鹏
刘学全
孙俊铭
徐达乔
刘瑞萍
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China National Petroleum Corp
CNPC EastChina Design Institute Co Ltd
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China National Petroleum Corp
CNPC East China Survey Design & Research Institute
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Priority to CN201210453564.1A priority Critical patent/CN102969579B/en
Publication of CN102969579A publication Critical patent/CN102969579A/en
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Publication of CN102969579B publication Critical patent/CN102969579B/en
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Abstract

The invention provides a grounding electrode which comprises a steel tube 1 and a cylinder 2. The cylinder 2 is connected with the steel tube through a steel plate 3 and a bolt 4, wherein the cylinder 2 comprises an upper cylinder 21 and a lower cylinder 22, the bore diameter of the upper cylinder 21 is larger than that of the lower cylinder 22, and the bore diameter of the lower cylinder 22 is identical with that of the steel tube 1; and a zinc block 5 is arranged in the upper cylinder 21 and is connected with the steel plate 3 through a wire 6. The grounding electrode has protection functions, cathode protection is provided for a steel grounding network while grounding requirements are met, corrosions to the steel grounding network are reduced, the service life of the steel grounding network is increased, and nonferrous metals used in the grounding network are reduced.

Description

A kind of earth electrode
Technical field
The present invention particularly about the grounding technology field, is a kind of earth electrode about the exploration engineering field concretely.
Background technology
Earth electrode is buried conducting element, and good earth electrode has the lightning protection mitigation, avoids causing the function of heavy losses under special natural environment, for safety in production, life provide guarantee, has very great meaning.
It is medium that traditional industry plant area adopts zinc-coated flat steel sheet usually, with external force it is driven underground in practice of construction, and its outer protection layer is subjected to the external force friction and destroyed, causes its decay resistance to reduce.Adopting zinc-coated flat steel sheet is the full factory of medium conduct ground network, although its cost is lower, zinc-coated flat steel sheet very easily is corroded by the impact of soil environment (such as acid ground, basic soil, humidity etc.) underground, causes the ground network performance to reduce after excessive erosion.
In order to reduce the corrosion of ground network, some ground network also adopts novel grounded materials such as copper conductor, copper covered steel, zinc magnesium alloy as earth connection at present, although its decay resistance is better, cost is too high, and cause a large amount of losses of non-ferrous metal, be unfavorable for economizing on resources.
Summary of the invention
The problems referred to above that exist in order to overcome prior art; the invention provides a kind of earth electrode; this earth electrode band cathode protecting function; when satisfying grounding requirement; for steel ground network provides cathodic protection; reduce the corrosion of steel ground network, improve the service life of steel ground network, reduce the use of non-ferrous metal in ground network.
The objective of the invention is, a kind of earth electrode is provided, described earth electrode comprises steel pipe 1, cylinder 2, described cylinder 2 is connected with described steel pipe by steel plate 3, bolt 4, wherein, described cylinder 2 comprises top cylinder 21 and bottom cylinder 22, and the bore of described top cylinder 21 is greater than the bore of described bottom cylinder 22, and the bore of described bottom cylinder 22 is identical with the bore of described steel pipe 1; Be provided with spelter 5 in the described top cylinder 21, described spelter 5 is connected with described steel plate 3 by wire 6.
Optionally, described top cylinder 21 is one-body molded with described bottom cylinder 22.
Optionally, described steel plate 3 comprises the galvanized steel plain sheet 31 that is connected with described steel pipe 1, the glass epoxy 32 that is connected with described cylinder 2.
Optionally, described wire 6 is connected with described spelter 5 and steel plate 3 by welding 7.
Optionally, be provided with hole 33 on the described glass epoxy 32, described wire 6 passes described hole 33 and is connected on the described galvanized steel plain sheet 31 by welding 7.
Optionally, described top cylinder 21 is provided with round barrel cover 23.
Optionally, described earth electrode also comprises earth connection 11, is connected with described steel pipe 1.
Be provided with earth connection 11 on the steel pipe 1.
Optionally, be provided with most advanced and sophisticated 12 on the described steel pipe 1.
Optionally, described steel pipe 1 is coating steel pipe, and described cylinder 2 is the fiberglass cylinder, and described wire 6 is copper conductor.
Beneficial effect of the present invention is; by at the built-in spelter of earth electrode as sacrificial anode; realized earth electrode band cathode protecting function; when satisfying grounding requirement, for steel ground network provides cathodic protection, reduce the corrosion of steel ground network; improve the service life of steel ground network; reduce the use of non-ferrous metal in ground network, and spelter to need not to excavate ground namely replaceable, conveniently patrol and examine and construct.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of a kind of earth electrode that Fig. 1 provides for the embodiment of the invention.
Drawing reference numeral:
Steel pipe 1
Earth connection 11
Most advanced and sophisticated 12
Cylinder 2
Top cylinder 21
Bottom cylinder 22
Cover 23
Steel plate 3
Galvanized steel plain sheet 31
Glass epoxy 32
Hole 33
Bolt 4
Spelter 5
Wire 6
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The embodiment of the invention provides a kind of earth electrode, and described earth electrode comprises steel pipe 1, cylinder 2, and described cylinder 2 is connected with described steel pipe by steel plate 3, bolt 4.In concrete execution mode, the length of steel pipe 1 and cylinder 2 all can customize according to the actual needs of different engineerings.
Wherein, described cylinder 2 comprises top cylinder 21 and bottom cylinder 22, and the bore of described top cylinder 21 is greater than the bore of described bottom cylinder 22, and the bore of described bottom cylinder 22 is identical with the bore of described steel pipe 1.
Be provided with spelter 5 in the described top cylinder 21, described spelter 5 is connected with described steel plate 3 by wire 6.
Described earth electrode also comprises earth connection 11, is connected with described steel pipe 1, is provided with most advanced and sophisticated 12 on the described steel pipe 1.Most advanced and sophisticated 12 are used for so that earth electrode is driven underground, and grounding flat steel directly is welded on steel pipe 1 body.
In other execution modes of the present invention, described top cylinder 21 is one-body molded with described bottom cylinder 22.
In other execution modes of the present invention, described steel plate 3 comprises the galvanized steel plain sheet 31 that is connected with described steel pipe 1, the glass epoxy 32 that is connected with described cylinder 2, described wire 6 is connected with described spelter 5 and steel plate 3 by welding 7, be provided with hole 33 on the described glass epoxy 32, described wire 6 passes described hole 33 and is connected on the described galvanized steel plain sheet 31 by welding 7.
In other execution modes of the present invention, described top cylinder 21 is provided with round barrel cover 23.The size of spelter 5 can customize according to actual demands of engineering.Then wire 6 long enoughs can be put back in the cylinder with spelter and wire in cylinder 2 external weldings, cover cover 23.Spelter provides cathodic protection as sacrificial anode for earth electrode and the zinc-coated flat steel sheet ground network that links to each other with earth electrode, prevents corrosion, improves the service life of ground network.When spelter runs out of as sacrificial anode, can open bung, reappose a spelter, guarantee the effect of cathodic protection.
In the embodiment of the embodiment of the invention, described steel pipe 1 can be coating steel pipe, and described cylinder 2 can be the fiberglass cylinder, and described wire 6 can be copper conductor.
The structural representation of a kind of earth electrode that Fig. 1 provides for the embodiment of the invention below in conjunction with Fig. 1, is introduced the earth electrode that the embodiment of the invention provides in detail.As shown in Figure 1, described earth electrode main body is steel pipe 1 and cylinder 2, and in this embodiment, steel pipe is a DN50 seamless welding coating steel pipe, and cylinder is the cylinder type tube of a glass steel material, and the two is formed by connecting.Top cylinder 21 bores of fiberglass cylinder are DN150, cylinder 22 bores in bottom are DN50, link to each other with a glass epoxy 32 and bolt 4 by a galvanized steel plain sheet 31 between steel pipe 1 and the fiberglass cylinder 2, the length of coating steel pipe 1 and fiberglass cylinder 2 can customize according to actual demands of engineering.Coating steel pipe 1 is weldingly connected as earth electrode and underground grounding flat steel.Then copper conductor 6 of welding on the galvanized steel plain sheet 32 passes copper conductor 6 the good hole 33 of glass epoxy 32 reservations and draws and spelter 5 welding, and the spelter size can customize according to actual demands of engineering.Then the copper conductor long enough can put back to Glass fibre reinforced plastic tub with spelter and copper conductor in glass fibre reinforced plastic cylinder 2 external weldings, covers cover 23.Spelter provides cathodic protection as sacrificial anode for earth electrode and the zinc-coated flat steel sheet ground network that links to each other with earth electrode, prevents corrosion, improves the service life of ground network.When spelter runs out of as sacrificial anode, can open bung, reappose a spelter, guarantee the effect of cathodic protection.
In sum; the invention provides a kind of earth electrode; by at the built-in spelter of earth electrode as sacrificial anode, realized earth electrode band cathode protecting function, when satisfying grounding requirement; for steel ground network provides cathodic protection; reduce the corrosion of steel ground network, improve the service life of steel ground network, reduce the use of non-ferrous metal in ground network; and it is namely replaceable that spelter need not to excavate ground, conveniently patrols and examines and construct.
Major technique effect of the present invention comprises:
1. utilize sacrificial anode that ground network is carried out cathodic protection, solved the shortcoming of steel ground network corrosion-vulnerable, prolonged useful life.
2. sacrificial anode is is conveniently patrolled and examined and is changed, and it is namely conveniently replaced to need not to excavate ground.
3. the present invention is simple in structure, and is cheap, need not novel grounded material, reduced project cost, saved non-ferrous metal.
Used specific embodiment among the present invention principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (10)

1. an earth electrode is characterized in that, described earth electrode comprises steel pipe (1), cylinder (2), and described cylinder (2) is connected with described steel pipe by steel plate (3), bolt (4),
Wherein, described cylinder (2) comprises top cylinder (21) and bottom cylinder (22), the bore of described top cylinder (21) is greater than the bore of described bottom cylinder (22), and the bore of described bottom cylinder (22) is identical with the bore of described steel pipe (1);
Be provided with spelter (5) in the described top cylinder (21), described spelter (5) is connected with described steel plate (3) by wire (6).
2. earth electrode according to claim 1 is characterized in that, described top cylinder (21) is one-body molded with described bottom cylinder (22).
3. earth electrode according to claim 1 is characterized in that, described steel plate (3) comprises the galvanized steel plain sheet (31) that is connected with described steel pipe (1), the glass epoxy (32) that is connected with described cylinder (2).
4. earth electrode according to claim 3 is characterized in that, described wire (6) is connected with described spelter (5) and steel plate (3) by welding (7).
5. earth electrode according to claim 4 is characterized in that, is provided with hole (33) on the described glass epoxy (32), and described wire (6) passes described hole (33) and is connected on the described galvanized steel plain sheet (31) by welding (7).
6. earth electrode according to claim 1 is characterized in that, described top cylinder (21) is provided with round barrel cover (23).
7. earth electrode according to claim 1 is characterized in that, described earth electrode also comprises earth connection (11), is connected with described steel pipe (1).
8. earth electrode according to claim 1 is characterized in that, is provided with tip (12) on the described steel pipe (1).
9. earth electrode according to claim 1 is characterized in that, described steel pipe (1) is coating steel pipe, and described cylinder (2) is the fiberglass cylinder.
10. earth electrode according to claim 1 is characterized in that, described wire (6) is copper conductor.
CN201210453564.1A 2012-11-13 2012-11-13 Grounding electrode Active CN102969579B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN102969579A true CN102969579A (en) 2013-03-13
CN102969579B CN102969579B (en) 2014-11-26

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108598728A (en) * 2018-03-30 2018-09-28 广东电网有限责任公司 Long-effective corrosion Novel connecting earth polar
CN108767512A (en) * 2018-06-22 2018-11-06 国网山东省电力公司济南市章丘区供电公司 A kind of self-shield earthing pole and its installation method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1447476A (en) * 2002-03-25 2003-10-08 陈国雄 Electrode bar for grounding
CN200983408Y (en) * 2006-10-13 2007-11-28 王守柏 Long-effect resistance reduction contact pole
CN201060954Y (en) * 2007-06-28 2008-05-14 武汉爱劳高科技有限责任公司 Antisepsis and resistance depressant grounding electrode with electrode potential isolation function
JP4651342B2 (en) * 2004-09-24 2011-03-16 日本高圧電気株式会社 Grounding resistance reducing material and its construction method
CN201868587U (en) * 2010-12-06 2011-06-15 河南省电力公司濮阳供电公司 Power grounding pile
CN201956470U (en) * 2010-12-15 2011-08-31 浙江华甸防雷科技有限公司 Conducting grounding rod
CN102570069A (en) * 2012-01-19 2012-07-11 江苏振发新能源科技发展有限公司 Novel shield-type grounding device
CN202474431U (en) * 2012-02-29 2012-10-03 盐城市雷斯达电器设备有限公司 Copper-clad steel connector for grounding wire

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1447476A (en) * 2002-03-25 2003-10-08 陈国雄 Electrode bar for grounding
JP4651342B2 (en) * 2004-09-24 2011-03-16 日本高圧電気株式会社 Grounding resistance reducing material and its construction method
CN200983408Y (en) * 2006-10-13 2007-11-28 王守柏 Long-effect resistance reduction contact pole
CN201060954Y (en) * 2007-06-28 2008-05-14 武汉爱劳高科技有限责任公司 Antisepsis and resistance depressant grounding electrode with electrode potential isolation function
CN201868587U (en) * 2010-12-06 2011-06-15 河南省电力公司濮阳供电公司 Power grounding pile
CN201956470U (en) * 2010-12-15 2011-08-31 浙江华甸防雷科技有限公司 Conducting grounding rod
CN102570069A (en) * 2012-01-19 2012-07-11 江苏振发新能源科技发展有限公司 Novel shield-type grounding device
CN202474431U (en) * 2012-02-29 2012-10-03 盐城市雷斯达电器设备有限公司 Copper-clad steel connector for grounding wire

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108598728A (en) * 2018-03-30 2018-09-28 广东电网有限责任公司 Long-effective corrosion Novel connecting earth polar
CN108767512A (en) * 2018-06-22 2018-11-06 国网山东省电力公司济南市章丘区供电公司 A kind of self-shield earthing pole and its installation method

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Address after: 100007 Dongzhimen North Street, Dongcheng District, Dongcheng District, Beijing

Co-patentee after: PetroChina Huadong Design Institute Co Ltd

Patentee after: China National Petroleum Corporation

Address before: 100007 Dongzhimen North Street, Dongcheng District, Dongcheng District, Beijing

Co-patentee before: CNPC East China Prospecting Design & Research Institute

Patentee before: China National Petroleum Corporation