CN1110013A - Anti-thunderstrock grounding device of composite carbon material and making method thereof - Google Patents
Anti-thunderstrock grounding device of composite carbon material and making method thereof Download PDFInfo
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- CN1110013A CN1110013A CN 94112469 CN94112469A CN1110013A CN 1110013 A CN1110013 A CN 1110013A CN 94112469 CN94112469 CN 94112469 CN 94112469 A CN94112469 A CN 94112469A CN 1110013 A CN1110013 A CN 1110013A
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- thunderstrock
- earth electrode
- grounding device
- carbon material
- composite carbon
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Abstract
In order to prevent thunderstrock, electric cable is connected to a grounding body in the form of flat or cylindrical body, which is made up of carbon composition including powdered coke or calcined anthracite, asphalt and graphite through breaking, smelting asphalt, mixing, cooling, press shaping, calcine and machining. It is suitable for electric transmission line and high building with the advantages of simple structure, low cost and high reliability.
Description
The present invention relates to a kind of lightning protection device and manufacture method thereof.
Traditional lightning protection device is as earth electrode, as steel, copper, though metal material has electric conductivity and mechanical performance preferably with metal material, but decay resistance is relatively poor, earth electrode resistance change in work phase enlistment age is bigger, and costs an arm and a leg, and stolen phenomenon is serious.The graphite earth electrode has appearred recently, anti-oxidant, corrosion resistance and good, but cost an arm and a leg, be difficult to popularization and application.
The object of the present invention is to provide a kind of simple in structure, cheap, stable work in work with anti-thunderstrock grounding device of composite carbon material and the manufacture method thereof of carbon composite as earth electrode.
The present invention seeks to realize like this: adopt the earth electrode of carbon composite as the lightning protection device.The composition of carbon composite includes coke powder or calcined anthracite, accounts for 40-73%(weight), pitch prill accounts for 27-30%(weight), graphite accounts for 0-30%(weight) (not comprising 0); Material is formed and also can be comprised the coke powder or to forge powder or calcined anthracite accounts for 70-73%(weight), pitch accounts for 27-30%(weight).The manufacturing process of carbon composite earth electrode is that coke powder or calcined anthracite are pulverized, and the pitch prill fusing adds graphite mixed pinching in kneading machine, cooling, and compression moulding again, through roasting, last machining finished product, the shape of earth electrode can be garden disk body, Cylinder.
The present invention compared with the prior art, adopted carbon composite as earth electrode, than traditional metal material earthing device price low 1/3rd, than low three times of graphite earthing device price, has better economic, corrosion resistance and good, stable work in work, safe and reliable, apply easily.
Below the invention will be further described.
As shown in Figure 1, be the structural representation of first embodiment of anti-thunderstrock grounding device of composite carbon material, cable 1 is welded on the connecting plate 3, and it is fastening that connecting plate 3 and earth electrode 2 are connected by bolt 5, nut 4, earth electrode 3 be shaped as flat cylinder.
As shown in Figure 2, be the structural representation of second embodiment of anti-thunderstrock grounding device of composite carbon material, cable 1 is welded on the joint pin 6 that embeds earth electrode 3, and earth electrode 3 is a Cylinder.
Embodiment three, get material coke powder, graphite and pitch prill, coke grain weight amount accounts for 65% of material total weight, graphite accounts for 5%, pitch prill accounts for 30%, with the fragmentation of coke powder, in inserting kneading machine, graphite stirs, the good pitch prill of adding fusing mixes to be pinched, the thickener that mixes after pinching will cool off, add then in the mould of press and carry out pressure forming, the pressure of pressure forming is not less than 250MPa, and the green compact after the moulding are put into the roasting of reducing atmosphere kiln, and roasting termination temperature is not less than 1100 ℃, ripe base after the roasting will carry out necessary car bits, drilling machine processing, finished product is the earth electrode of anti-thunderstrock grounding device of composite carbon material.Embodiment four, get material coke powder and pitch prill, coke grain weight amount accounts for 70% of material total weight, pitch prill weight accounts for 30% of material total weight, with the fragmentation of coke powder, putting into kneading machine with the good pitch prill of fusing advances to mix and pinches, mix in the thickener cooling back adding press die of pinching and carry out pressure forming, the pressure of pressure forming is not less than 250MPa, green compact after the moulding are put into the reducing atmosphere roasting in kilns, roasting termination temperature is not less than 1100 ℃, carries out machining at last and becomes finished product, is the earth electrode of anti-thunderstrock grounding device of composite carbon material.
Claims (4)
1, a kind of anti-thunderstrock grounding device of composite carbon material includes cable (1), it is characterized in that: be connected with the earth electrode (2) that carbon composite is made on the cable (1).
2, anti-thunderstrock grounding device of composite carbon material according to claim 1 is characterized in that: the shape of earth electrode (2) can be flat cylinder, Cylinder.
3, anti-thunderstrock grounding device of composite carbon material according to claim 1 is characterized in that: the material composition of earth electrode (2) includes coke powder or calcined anthracite 40-73%(weight), pitch prill 27-30%(weight), graphite 0-30%(weight) (not comprising 0); The material composition of earth electrode (2) also can include coke powder or calcined anthracite 70-73%, pitch prill 27-30%.
4, a kind of manufacture method of anti-thunderstrock grounding device of composite carbon material, it is characterized in that: the manufacturing process of earth electrode (2) is: coke powder or calcined anthracite are pulverized, adding graphite mixes, pinch with the pitch prill of fusing is mixed, cooling back compression moulding, through roasting, machining becomes finished product again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94112469 CN1110013A (en) | 1993-08-27 | 1994-08-22 | Anti-thunderstrock grounding device of composite carbon material and making method thereof |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93229115 | 1993-08-27 | ||
| CN93229115.5 | 1993-08-27 | ||
| CN 94112469 CN1110013A (en) | 1993-08-27 | 1994-08-22 | Anti-thunderstrock grounding device of composite carbon material and making method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1110013A true CN1110013A (en) | 1995-10-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94112469 Pending CN1110013A (en) | 1993-08-27 | 1994-08-22 | Anti-thunderstrock grounding device of composite carbon material and making method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1110013A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100362699C (en) * | 2005-03-07 | 2008-01-16 | 胡海 | Earthing block using on earthing electrode device and method for making same |
| CN101030458B (en) * | 2006-12-06 | 2010-12-08 | 王跃山 | Non-corrosive assembled grounding electrode |
| CN102082331A (en) * | 2011-02-25 | 2011-06-01 | 大庆奉天电力器材厂 | Carbonized grounding electrode and preparation method thereof |
| CN103474792A (en) * | 2013-09-30 | 2013-12-25 | 胡钧峰 | High-energy efficient grounding body and preparation method thereof |
| CN103602269A (en) * | 2013-11-14 | 2014-02-26 | 潍坊市宏宇电力设备防护有限公司 | Inorganic conductive ionic gum and preparation method thereof |
| CN104701644A (en) * | 2015-03-04 | 2015-06-10 | 广东电网有限责任公司佛山供电局 | Graphite composite grounding protection material and preparation method thereof |
-
1994
- 1994-08-22 CN CN 94112469 patent/CN1110013A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100362699C (en) * | 2005-03-07 | 2008-01-16 | 胡海 | Earthing block using on earthing electrode device and method for making same |
| CN101030458B (en) * | 2006-12-06 | 2010-12-08 | 王跃山 | Non-corrosive assembled grounding electrode |
| CN102082331A (en) * | 2011-02-25 | 2011-06-01 | 大庆奉天电力器材厂 | Carbonized grounding electrode and preparation method thereof |
| CN103474792A (en) * | 2013-09-30 | 2013-12-25 | 胡钧峰 | High-energy efficient grounding body and preparation method thereof |
| CN103602269A (en) * | 2013-11-14 | 2014-02-26 | 潍坊市宏宇电力设备防护有限公司 | Inorganic conductive ionic gum and preparation method thereof |
| CN104701644A (en) * | 2015-03-04 | 2015-06-10 | 广东电网有限责任公司佛山供电局 | Graphite composite grounding protection material and preparation method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |