CN102969579B - Grounding electrode - Google Patents
Grounding electrode Download PDFInfo
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- CN102969579B CN102969579B CN201210453564.1A CN201210453564A CN102969579B CN 102969579 B CN102969579 B CN 102969579B CN 201210453564 A CN201210453564 A CN 201210453564A CN 102969579 B CN102969579 B CN 102969579B
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- cylinder
- earth electrode
- steel
- steel pipe
- spelter
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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
Technical field
The present invention, about exploration engineering field, particularly about grounding technology field, is a kind of earth electrode concretely.
Background technology
Earth electrode is buried conducting element, and good earth electrode has 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 conventionally, in practice of construction, is driven underground with external force, and its outer protection layer is subject to external force friction and destroyed, causes its decay resistance to reduce.Adopt zinc-coated flat steel sheet be medium as full factory ground network, although its cost is lower, zinc-coated flat steel sheet is very easily corroded by the impact of soil environment (as acid ground, basic soil, humidity etc.) underground, causes ground network performance reduction after excessive erosion.
In order to reduce the corrosion of ground network, at present some ground network also adopts novel grounded materials such as copper conductor, copper covered steel, zinc magnesium alloy as earth connection, 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; in meeting 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 object 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; In described top cylinder 21, be provided with spelter 5, 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 being connected with described steel pipe 1, the glass epoxy 32 being connected with described cylinder 2.
Optionally, described wire 6 is connected with described spelter 5 and steel plate 3 by welding 7.
Optionally, on described glass epoxy 32, be provided with hole 33, described wire 6 is connected on described galvanized steel plain sheet 31 by welding 7 through described hole 33.
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.
On steel pipe 1, be provided with earth connection 11.
Optionally, on described steel pipe 1, be provided with most advanced and sophisticated 12.
Optionally, described steel pipe 1 is coating steel pipe, and described cylinder 2 is 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; realize earth electrode band cathode protecting function; in meeting 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 is replaceable without excavating ground, conveniently patrols and examines and constructs.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of 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 present 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 present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present 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.
In described top cylinder 21, be provided with spelter 5, 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 described steel pipe 1.Most advanced and sophisticated 12 for earth electrode is driven underground, and grounding flat steel is directly 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 being connected with described steel pipe 1, the glass epoxy 32 being connected with described cylinder 2, described wire 6 is connected with described spelter 5 and steel plate 3 by welding 7, on described glass epoxy 32, be provided with hole 33, described wire 6 is connected on described galvanized steel plain sheet 31 by welding 7 through described hole 33.
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.Wire 6 long enoughs, can, by spelter and wire in cylinder 2 external weldings, then put back in cylinder, cover cover 23.The zinc-coated flat steel sheet ground network that spelter is connected for earth electrode and with earth electrode as sacrificial anode provides cathodic protection, prevents corrosion, improves the service life of ground network.In the time that spelter runs out of as sacrificial anode, can open bung, reappose a spelter, ensure the effect of cathodic protection.
In the embodiment of the embodiment of the present invention, described steel pipe 1 can be coating steel pipe, and described cylinder 2 can be 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 present invention, below in conjunction with Fig. 1, introduces the earth electrode that the embodiment of the present 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, between steel pipe 1 and fiberglass cylinder 2, be connected with a glass epoxy 32 and bolt 4 by a galvanized steel plain sheet 31, 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.On galvanized steel plain sheet 32, weld a copper conductor 6, the hole 33 of then copper conductor 6 having been reserved through glass epoxy 32 draws and spelter 5 welds, and spelter size can customize according to actual demands of engineering.Copper conductor long enough, can, by spelter and copper conductor in glass fibre reinforced plastic cylinder 2 external weldings, then put back to Glass fibre reinforced plastic tub, covers cover 23.The zinc-coated flat steel sheet ground network that spelter is connected for earth electrode and with earth electrode as sacrificial anode provides cathodic protection, prevents corrosion, improves the service life of ground network.In the time that spelter runs out of as sacrificial anode, can open bung, reappose a spelter, ensure 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, in meeting 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 is replaceable without excavating ground, conveniently patrols and examines and constructs.
Major technique effect of the present invention comprises:
1. utilize sacrificial anode to carry out cathodic protection to ground network, solved the shortcoming of steel ground network corrosion-vulnerable, extended useful life.
2. sacrificial anode is is conveniently patrolled and examined and is changed, conveniently replaced without excavating ground.
3. the present invention is simple in structure, cheap, without novel grounded material, has reduced project cost, has saved non-ferrous metal.
In the present invention, applied specific embodiment principle of the present invention and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; , 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 meanwhile.
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);
In described top cylinder (21), be provided with spelter (5), 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, it is characterized in that, described steel plate (3) comprises the galvanized steel plain sheet (31) being connected with described steel pipe (1), the glass epoxy (32) being 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 galvanized steel plain sheet (31) by welding (7).
5. earth electrode according to claim 4, it is characterized in that, on described glass epoxy (32), be provided with hole (33), described wire (6) is connected on described galvanized steel plain sheet (31) by welding (7) through described hole (33).
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, on described steel pipe (1), is provided with tip (12).
9. earth electrode according to claim 1, is characterized in that, described steel pipe (1) is coating steel pipe, and described cylinder (2) is fiberglass cylinder.
10. earth electrode according to claim 1, is characterized in that, described wire (6) is copper conductor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201210453564.1A CN102969579B (en) | 2012-11-13 | 2012-11-13 | Grounding electrode |
Applications Claiming Priority (1)
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CN201210453564.1A CN102969579B (en) | 2012-11-13 | 2012-11-13 | Grounding electrode |
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CN102969579A CN102969579A (en) | 2013-03-13 |
CN102969579B true CN102969579B (en) | 2014-11-26 |
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CN201210453564.1A Active CN102969579B (en) | 2012-11-13 | 2012-11-13 | Grounding electrode |
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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 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN100403598C (en) * | 2002-03-25 | 2008-07-16 | 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 |
CN102570069B (en) * | 2012-01-19 | 2014-05-07 | 振发能源集团有限公司 | 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 |
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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 |
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