CN104505605A - Apparatus and for reducing earthing resistance of pipeline station field and prolonging life of earthing body, and method - Google Patents
Apparatus and for reducing earthing resistance of pipeline station field and prolonging life of earthing body, and method Download PDFInfo
- Publication number
- CN104505605A CN104505605A CN201410692861.0A CN201410692861A CN104505605A CN 104505605 A CN104505605 A CN 104505605A CN 201410692861 A CN201410692861 A CN 201410692861A CN 104505605 A CN104505605 A CN 104505605A
- Authority
- CN
- China
- Prior art keywords
- resistance
- reducing agent
- earthing
- lightning protection
- metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 49
- 239000002184 metal Substances 0.000 claims abstract description 49
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 41
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 18
- 229910052725 zinc Inorganic materials 0.000 claims description 18
- 239000011701 zinc Substances 0.000 claims description 18
- 238000010276 construction Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 8
- 229910000278 bentonite Inorganic materials 0.000 claims description 3
- 239000000440 bentonite Substances 0.000 claims description 3
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 239000000314 lubricant Substances 0.000 claims description 3
- 230000006378 damage Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000002689 soil Substances 0.000 description 17
- 238000004891 communication Methods 0.000 description 4
- 238000005246 galvanizing Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000168254 Siro Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
Landscapes
- Prevention Of Electric Corrosion (AREA)
Abstract
The invention discloses an apparatus and for reducing the earthing resistance of a pipeline station field and prolonging the life of an earthing body, and belongs to the field of an oil gas pipeline station field earthing technology. The apparatus comprises a metal groove box, a resistance reducing agent and a horizontal earthing body. The metal groove box is of a square structure formed by metal side plates, a metal top plate and a metal base plate; the horizontal earthing body is arranged in the metal groove box; the periphery of the horizontal earthing body is filled up with the resistance reducing agent, and the resistance reducing agent and the horizontal earthing body are enclosed in the metal groove box together; the metal top plate and the metal side plates are provided with holes; and the horizontal earthing body is connected with external earthing leads through the holes. The invention also provides a constructing method of the apparatus. According to the invention, the horizontal earthing body and the resistance reducing agent are enclosed in the metal groove box, such that the safety, the reliability and the stability of an oil gas pipeline station field earthing system are improved, the service life of the earthing system of the earthing system of an oil gas pipeline station field is prolonged, and the operation cost of the oil gas pipeline station field and the pollution and damage caused to the environment are reduced.
Description
Technical field
The present invention relates to grounding technology field, field, oil and gas pipes station, particularly a kind of device and method reducing pipeline station field earth resistance and extend the earth electrode life-span.
Background technology
For the grounding system of field, oil and gas pipes station, the Hot-dip zinc-coated flat steel sheet of engineering many employings in the past as horizontal grounding objects, hot galvanizing angle steel as Grounding Grids.In high soil resistivity, sand-gravel geology or dry area, the design of this grounding system needs the length increasing horizontal grounding objects usually, and increases the quantity of Grounding Grids.When landform and surface area, station are limited, the method by increasing resistance reducing agent is needed to meet earth resistance requirement.
In high soil resistivity, sand-gravel geology or dry area, if field, oil and gas pipes station adopts the length increasing horizontal grounding objects, and the method for the quantity of increase Grounding Grids, when meeting earth resistance requirement, field, oil and gas pipes station is needed to have enough regions to meet the requirement of grounding system floor space.Grounding system area increases, and the soil resistivity of different earth point exists difference, causes electric, the Instrumentation And Communication equipment of zones of different ground connection to there is potential difference.When grounding system releases lightning current or field, oil and gas pipes station power failure electric current, will certainly to cause electrically, the fault of Instrumentation And Communication equipment and damage.
When the grounding system area of field, oil and gas pipes station is restricted, if adopt the length increasing horizontal grounding objects, and the method for the quantity of increase Grounding Grids just can not meet the requirement of earth resistance, needs the method by increasing resistance reducing agent around earth electrode to meet earth resistance requirement.Earth resistance successful is reduced at the increase resistance reducing agent initial stage, but along with the prolongation of service time, due to resistance reducing agent solidification and desertification, and cause resistance reducing agent to be washed away by rainwater because of precipitation, run off, therefore the effect of reduction earth resistance can be made to lose efficacy gradually, cause earth resistance to increase thereupon, earth resistance can not meet the grounding requirement of field, oil and gas pipes station, like this when grounding system releases lightning current or field, oil and gas pipes station power failure electric current, by the time lengthening causing grounding system to discharge lightning current or power failure electric current, grounding system voltage raises, cause electrically, the fault of Instrumentation And Communication equipment and damage, affect the safe operation of field, oil and gas pipes station.In addition, along with the loss of resistance reducing agent, metallic ground body is exposed in soil, greatly accelerate the corrosion of metallic ground body, cause destruction and the fracture of metallic ground body, this can bring huge hidden danger to the safe operation of field, oil and gas pipes station, and increases the operating cost of oil and gas pipes station yard modification; Meanwhile, the resistance reducing agent of loss can produce area surroundings and underground water and pollute and destroy.
Summary of the invention
In order to the fail safe, the reliability and stability that solve field, the oil and gas pipes station grounding system existence that existing high soil resistivity, sand-gravel geology or dry area use are poor, and resistance reducing agent easily solidifies, runs off, the problems such as metallic ground body is perishable, the invention provides a kind of device reducing pipeline station field earth resistance and extend the earth electrode life-span, comprise metallic channel box, resistance reducing agent and horizontal grounding objects; Described metallic channel box is the square structure be made up of metal side plate, metal top plate and metal base plate; Described horizontal grounding objects is arranged in described metallic channel box; Described resistance reducing agent is filled in around described horizontal grounding objects, and described resistance reducing agent and horizontal grounding objects are enclosed in described metallic channel box jointly; Described metal top plate and metal side plate are provided with hole; Described horizontal grounding objects is gone between with external ground by described hole and is connected.
Hole in described metal side plate is positioned at the top of described metal side plate.
Described horizontal grounding objects is Hot-dip zinc-coated flat steel sheet.
Described square structure is square or rectangular structure.
Described resistance reducing agent is the physics resistance reducing agent be made up of bentonite, curing agent, lubricant and additional gelling thing.
Present invention also offers a kind of construction method of said apparatus, building steel column adopts welding manner to be connected with one end of the first lightning protection downlead, and the other end of described first lightning protection downlead is connected with disconnecting clamp case; Described disconnecting clamp case is fixedly mounted on described building steel column; Described first lightning protection downlead is enclosed within a PVC sleeve pipe; One end of second lightning protection downlead is connected with described disconnecting clamp case, and the other end adopts welding manner to be connected with the horizontal grounding objects in underground metalliferous groove box; Described second lightning protection downlead is enclosed within from underground to ground epimere in the 2nd PVC sleeve pipe; One end of electricity instrument equipment ground lead-out wire and electric instrument equipment connection, the other end adopts welding manner to be connected with the horizontal grounding objects in described underground metalliferous groove box.
Described first lightning protection downlead and the second lightning protection downlead are Hot-dip zinc-coated flat steel sheet.
Described electric instrument equipment ground lead-out wire is Hot-dip zinc-coated flat steel sheet.
Described first lightning protection downlead, horizontal range between the second lightning protection downlead and electric instrument equipment ground lead-out wire are all greater than 15m.
The device and method in reduction pipeline station field earth resistance provided by the invention and prolongation earth electrode life-span, by horizontal grounding objects and resistance reducing agent are enclosed in metallic channel box, thus ensured the safe operation of field, oil and gas pipes station grounding system, effectively improve the fail safe of field, oil and gas pipes station grounding system, reliability and stability, also extend the useful life of the grounding system of field, oil and gas pipes station simultaneously, reduce the operating cost of field, oil and gas pipes station and the damage and pollution to environment, be particularly useful for allly being positioned at high soil resistivity, the grounding system of the field, oil and gas pipes station in sand-gravel geology or dry area, for long oil/gas pipe line engineering, oil-gas field surface engineering, the grounding system of oil depot engineering has wide application space and good economic benefit.
Accompanying drawing explanation
Fig. 1 is the floor map of the device that the embodiment of the present invention provides;
Fig. 2 is the schematic perspective view of the metallic channel box that the embodiment of the present invention provides;
Fig. 3 is the structural representation of the metal top plate that the embodiment of the present invention provides;
Fig. 4 is the structural representation of the metal side plate that the embodiment of the present invention provides;
Fig. 5 is the structural representation of the metal base plate that the embodiment of the present invention provides;
Fig. 6 is the typical apply example schematic of the device that the embodiment of the present invention provides;
Fig. 7 is the construction method principle schematic of the device that the embodiment of the present invention provides;
Fig. 8 is that the horizontal range of embodiment of the present invention lightning protection downlead and electric instrument equipment ground lead-out wire requires schematic diagram.
Embodiment
Below in conjunction with drawings and Examples, technical solution of the present invention is further described.
See Fig. 1 to Fig. 5, embodiments provide a kind of device reducing pipeline station field earth resistance and extend the earth electrode life-span, comprise metallic channel box 1, resistance reducing agent 2 and horizontal grounding objects 3.Wherein, metallic channel box 1 is the square structure be made up of metal side plate 11, metal top plate 12 and metal base plate 13; Horizontal grounding objects 3 is arranged in described metallic channel box 1; Resistance reducing agent 2 is filled in horizontal grounding objects 3 around, and resistance reducing agent 2 and horizontal grounding objects 3 are enclosed in metallic channel box 1 jointly; Metal top plate 12 and metal side plate 11 are provided with hole; Horizontal grounding objects 3 passing hole goes between with external ground and is connected.
In concrete production practices, the material of metal side plate 11, metal top plate 12 and metal base plate 13 all adopts hot-dip galvanizing sheet steel, metal side plate 11, metal top plate 12 and metal base plate 13 are mutually permanently connected by welding realization, thus ensure that metallic channel box 1 has reliable fastness, also to carry out antirust and preservative treatment to metallic channel box, to extend the useful life of metallic channel box simultaneously.The thickness of the hot-dip galvanizing sheet steel that metallic channel box 1 uses and size should calculate according to earth resistance to be determined; According to the technical requirement of design, the square structure of metallic channel box 1 can be set as rectangle or square structure.Horizontal grounding objects 3 can adopt Hot-dip zinc-coated flat steel sheet, and Hot-dip zinc-coated flat steel sheet goes between with external ground, and (mainly comprising lightning protection downlead and electric instrument equipment ground lead-out wire) welds.
As shown in Figure 3 and Figure 4, the hole 121 in metal top plate 12 and the hole 111 in metal side plate 11 are all in uniform distribution, and hole 111 is positioned at the top of metal side plate 11.Under normal circumstances, providing holes 111 in two relative metal side plate 11 is only selected; The size in hole 121 and hole 111 should be determined according to the use amount of resistance reducing agent 2.It should be noted that, the arrangement mode of the concrete limiting hole of the present embodiment, as long as can facilitate welding of lightning protection downlead and electric instrument equipment ground lead-out wire and horizontal grounding objects, the hole of various distribution form all can realize the embodiment of the present invention.
The device that Fig. 6 and Fig. 7 shows the embodiment of the present invention is taken turns south-Turfan service main at the second west to east gas pipeline project and is increased construction method in defeated engineering: metallic channel box 1 is imbedded in ground less than 21 by backfill soil 23, metallic channel box 1 is of a size of 400 × 400mm, the thickness of the hot-dip galvanizing sheet steel that metallic channel box 1 is used is 2mm, and the thickness of zinc coat is greater than 70 μm; Horizontal grounding objects 3 adopts the Hot-dip zinc-coated flat steel sheet of-50 × 5mm, and the thickness of zinc coat is greater than 70 μm, and Hot-dip zinc-coated flat steel sheet should be imbedded in below frozen soil layer, and buried depth is-1.3m; Hole in metal side plate and the hole in metal top plate are the hole of Φ 10mm, and institute is porose to be evenly distributed, and the most lower of the hole in metal side plate is not more than 50mm along distance side plate upper edge; Resistance reducing agent 2 is the physics resistance reducing agent be made up of bentonite, curing agent, lubricant and additional gelling thing, guarantees that electric conductor in the physics resistance reducing agent hole on metallic channel box is suitably permeated in soil towards periphery, prevents again physics resistance reducing agent to run off simultaneously.Building steel column 9 adopts exothermic weld mode to be connected with one end of lightning protection downlead 8, and the other end of lightning protection downlead 8 is connected with disconnecting clamp case 6; Disconnecting clamp case 6 is fixedly mounted on building steel column 9; Lightning protection downlead 8 is enclosed within PVC sleeve pipe 7; One end of lightning protection downlead 4 is connected with disconnecting clamp case 6, and the other end adopts exothermic weld mode to be connected with the horizontal grounding objects 3 (Hot-dip zinc-coated flat steel sheet) in underground metalliferous groove box 1, and does anticorrosion and antirust treatment; Lightning protection downlead 4 is enclosed within PVC sleeve pipe 5 from underground to ground epimere; One end of electricity instrument equipment ground lead-out wire 22 is connected with electric instrument equipment 10, and the other end adopts exothermic weld mode to be connected with the horizontal grounding objects 3 (Hot-dip zinc-coated flat steel sheet) in underground metalliferous groove box 1, and does anticorrosion and antirust treatment.In the present embodiment, lightning protection downlead 4, lightning protection downlead 8 and electric instrument equipment ground lead-out wire 22 all adopt the Hot-dip zinc-coated flat steel sheet of-50 × 5mm, and the thickness of zinc coat is greater than 70 μm; PVC sleeve pipe 7 and PVC sleeve pipe 5 all adopt the sleeve pipe of Φ 70.In order to prevent the interference between different grounding system, lightning protection downlead 4 should be set, horizontal range between lightning protection downlead 8 and electric instrument equipment ground lead-out wire 22 is all greater than 15m, as shown in Figure 8.
By the application of above-mentioned example, significantly reduce the earth resistance of the field, oil and gas pipes station in high soil resistivity, sand-gravel geology or dry area, and extend the useful life of horizontal grounding objects, greatly save the expense of field, oil and gas pipes station grounding reconstruction, prevent a large amount of losses of resistance reducing agent simultaneously, reduce pollution and destruction that area surroundings and underground water are produced.The present embodiment can make the construction of field, oil and gas pipes station grounding system from now on more be tending towards standardization, modularization, improve the fail safe of field, oil and gas pipes station grounding system, reliability, stability, decrease working procedure and material, facilitate operation maintenance, reduce investment and the operating expenses of equipment, be particularly useful for allly being positioned at high soil resistivity, the grounding system of the field, oil and gas pipes station in sand-gravel geology or dry area, for long oil/gas pipe line engineering, oil-gas field surface engineering, the grounding system of oil depot engineering has wide application space and good economic benefit.
After the embodiment of the present invention is applied to the grounding system of field, oil and gas pipes station, following advantage can be realized:
1) after grounding system adopts metallic channel box, resistance reducing agent is wrapped in around horizontal grounding objects by metallic channel box tightly, and with soil horizon compact siro spinning technology, define a larger-diameter electric conductor, significantly reduce grounding resistance, decrease the length of horizontal grounding objects, decrease the earth potential difference of electric, the Instrumentation And Communication equipment caused because horizontal grounding objects is long, improve the safety and reliability of field, station grounding system.
2) resistance reducing agent is arranged in metallic channel box, effectively play the water retaining function of resistance reducing agent, absorbed the moisture of soil by hole in metal top plate and metal side plate, prevent resistance reducing agent washed out by rainwater or run off, reduce pollution and destruction that resistance reducing agent produces area surroundings and underground water.Simultaneously, electric conductor in resistance reducing agent is suitably permeated in soil towards periphery by the hole in metal top plate and metal side plate, dendritic ennation is there is in the earth, produce dendritic effects, its internal layer is closely connected with horizontal grounding objects, and its skin and soil are closely connected, thus greatly reduce the contact resistance of horizontal grounding objects and soil.
3) resistance reducing agent is arranged in metallic channel box, while preventing resistance reducing agent to run off, play to maximum efficiency the anti-corrosion function of resistance reducing agent, make horizontal grounding objects (Hot-dip zinc-coated flat steel sheet) and there is corrosive soil to completely cut off, extend the useful life of horizontal grounding objects, reduce the cost that field, oil and gas pipes station is run.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. reduce the device in pipeline station field earth resistance and prolongation earth electrode life-span, it is characterized in that, comprise metallic channel box, resistance reducing agent and horizontal grounding objects; Described metallic channel box is the square structure be made up of metal side plate, metal top plate and metal base plate; Described horizontal grounding objects is arranged in described metallic channel box; Described resistance reducing agent is filled in around described horizontal grounding objects, and described resistance reducing agent and horizontal grounding objects are enclosed in described metallic channel box jointly; Described metal top plate and metal side plate are provided with hole; Described horizontal grounding objects is gone between with external ground by described hole and is connected.
2. the device reducing pipeline station field earth resistance and extend the earth electrode life-span as claimed in claim 1, it is characterized in that, the hole in described metal side plate is positioned at the top of described metal side plate.
3. the device reducing pipeline station field earth resistance and extend the earth electrode life-span as claimed in claim 1 or 2, it is characterized in that, described horizontal grounding objects is Hot-dip zinc-coated flat steel sheet.
4. the device reducing pipeline station field earth resistance and extend the earth electrode life-span as claimed in claim 1 or 2, it is characterized in that, described square structure is square or rectangular structure.
5. the device reducing pipeline station field earth resistance and extend the earth electrode life-span as claimed in claim 1 or 2, it is characterized in that, described resistance reducing agent is the physics resistance reducing agent be made up of bentonite, curing agent, lubricant and additional gelling thing.
6. a construction method for device as claimed in claim 1, it is characterized in that, building steel column adopts welding manner to be connected with one end of the first lightning protection downlead, and the other end of described first lightning protection downlead is connected with disconnecting clamp case; Described disconnecting clamp case is fixedly mounted on described building steel column; Described first lightning protection downlead is enclosed within a PVC sleeve pipe; One end of second lightning protection downlead is connected with described disconnecting clamp case, and the other end adopts welding manner to be connected with the horizontal grounding objects in underground metalliferous groove box; Described second lightning protection downlead is enclosed within from underground to ground epimere in the 2nd PVC sleeve pipe; One end of electricity instrument equipment ground lead-out wire and electric instrument equipment connection, the other end adopts welding manner to be connected with the horizontal grounding objects in described underground metalliferous groove box.
7. construction method as claimed in claim 6, it is characterized in that, described first lightning protection downlead and the second lightning protection downlead are Hot-dip zinc-coated flat steel sheet.
8. construction method as claimed in claim 6, it is characterized in that, described electric instrument equipment ground lead-out wire is Hot-dip zinc-coated flat steel sheet.
9. construction method as claimed in claim 6, is characterized in that, described first lightning protection downlead, horizontal range between the second lightning protection downlead and electric instrument equipment ground lead-out wire are all greater than 15m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410692861.0A CN104505605B (en) | 2014-11-26 | 2014-11-26 | Reduce pipeline yard grounding resistance and extend the device and method of ground connection body life time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410692861.0A CN104505605B (en) | 2014-11-26 | 2014-11-26 | Reduce pipeline yard grounding resistance and extend the device and method of ground connection body life time |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104505605A true CN104505605A (en) | 2015-04-08 |
| CN104505605B CN104505605B (en) | 2018-03-20 |
Family
ID=52947337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410692861.0A Active CN104505605B (en) | 2014-11-26 | 2014-11-26 | Reduce pipeline yard grounding resistance and extend the device and method of ground connection body life time |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104505605B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107104426A (en) * | 2017-06-02 | 2017-08-29 | 中国水利水电第五工程局有限公司 | WR and hydropower construction earthing protecting method |
| CN112395750A (en) * | 2020-11-06 | 2021-02-23 | 长沙理工大学 | Method for reducing power frequency step voltage of urban power transmission steel pipe tower grounding device |
| CN112485473A (en) * | 2020-11-03 | 2021-03-12 | 浙江省建工集团有限责任公司 | Novel modularization lightning protection ground connection test point device |
| CN113285250A (en) * | 2021-05-17 | 2021-08-20 | 东莞市长益光电有限公司 | Conductive grounding device and using method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1805218A (en) * | 2005-01-13 | 2006-07-19 | 李新利 | Quick-mounted earthing pole containing resistance-reducing agent |
| CN201590494U (en) * | 2009-07-24 | 2010-09-22 | 成都市精电化工厂 | Novel direct buried bore grounding electrode |
| CN202076426U (en) * | 2011-06-28 | 2011-12-14 | 内蒙古电力勘测设计院 | Grounding device of tower |
| CN102610935A (en) * | 2012-03-31 | 2012-07-25 | 云南省昆明农业气象试验站 | Soil non-excavation grounding resistance reduction method |
| CN204271278U (en) * | 2014-11-26 | 2015-04-15 | 中国石油天然气集团公司 | Reduce the device in pipeline station field earth resistance and prolongation earth electrode life-span |
-
2014
- 2014-11-26 CN CN201410692861.0A patent/CN104505605B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1805218A (en) * | 2005-01-13 | 2006-07-19 | 李新利 | Quick-mounted earthing pole containing resistance-reducing agent |
| CN201590494U (en) * | 2009-07-24 | 2010-09-22 | 成都市精电化工厂 | Novel direct buried bore grounding electrode |
| CN202076426U (en) * | 2011-06-28 | 2011-12-14 | 内蒙古电力勘测设计院 | Grounding device of tower |
| CN102610935A (en) * | 2012-03-31 | 2012-07-25 | 云南省昆明农业气象试验站 | Soil non-excavation grounding resistance reduction method |
| CN204271278U (en) * | 2014-11-26 | 2015-04-15 | 中国石油天然气集团公司 | Reduce the device in pipeline station field earth resistance and prolongation earth electrode life-span |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107104426A (en) * | 2017-06-02 | 2017-08-29 | 中国水利水电第五工程局有限公司 | WR and hydropower construction earthing protecting method |
| CN112485473A (en) * | 2020-11-03 | 2021-03-12 | 浙江省建工集团有限责任公司 | Novel modularization lightning protection ground connection test point device |
| CN112485473B (en) * | 2020-11-03 | 2023-12-01 | 浙江省建工集团有限责任公司 | Modular lightning-proof grounding test point device |
| CN112395750A (en) * | 2020-11-06 | 2021-02-23 | 长沙理工大学 | Method for reducing power frequency step voltage of urban power transmission steel pipe tower grounding device |
| CN112395750B (en) * | 2020-11-06 | 2022-09-09 | 长沙理工大学 | Method for reducing power frequency step voltage of urban power transmission steel pipe tower grounding device |
| CN113285250A (en) * | 2021-05-17 | 2021-08-20 | 东莞市长益光电有限公司 | Conductive grounding device and using method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104505605B (en) | 2018-03-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104505605A (en) | Apparatus and for reducing earthing resistance of pipeline station field and prolonging life of earthing body, and method | |
| CN111541121A (en) | Method for reducing impact grounding impedance of power transmission line tower | |
| CN205543272U (en) | Flexible earthing device of graphite -based | |
| CN102856671B (en) | Environment-friendly leak-proof moisturizing grounding device and construction method | |
| CN206541940U (en) | A kind of electric power grounding device | |
| CN207435552U (en) | The combined system of direct current grounding pole and buried metal pipeline | |
| CN204230447U (en) | A kind of earth electrode and earthing device | |
| CN204271278U (en) | Reduce the device in pipeline station field earth resistance and prolongation earth electrode life-span | |
| CN101740886B (en) | Anti-corrosion grounding device | |
| CN202550081U (en) | Environment-friendly leakage-proof moisturizing grounding device | |
| CN103746195B (en) | Modularity lightning protection Special grounding device | |
| CN105305106A (en) | Anti-theft grounding electrode for ground wire, and telegraph pole | |
| CN204156120U (en) | The folding corrosion-preventing and resistance-reducing grounding body of a kind of more piece | |
| CN104184015A (en) | Installation construction process for grounding device | |
| CN105239078A (en) | Anti-corrosion method for in-station pipeline of oil transportation station | |
| CN202772276U (en) | Pole-tower lightning protection grounding device | |
| CN204304011U (en) | Limited area, a kind of tower position is with concentrating perpendicular grounding device | |
| CN203589374U (en) | A TN-S system which is used for a steel structure workshop cable and which can be without a protective ground wire | |
| CN202126862U (en) | Grounding downlead | |
| CN202064367U (en) | Insulating base for power tower | |
| CN112582810A (en) | Environment-friendly corrosion-resistant large grounding grid with adjustable grounding impedance and construction method | |
| CN202954094U (en) | Earthing system for cathode protection | |
| CN105071061A (en) | Lightning protection grounding system of power distribution transformer area | |
| CN2520573Y (en) | Insulation protection grounding downlead | |
| CN217691679U (en) | Existing railway power line, facility ion ground connection mounting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20151026 Address after: Langfang City, Hebei Province, 065000 Heping Road, Guangyang District No. 146 Applicant after: CHINA PETROLEUM PIPELINE ENGINEERING Corp. Address before: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Applicant before: China National Petroleum Corp. Applicant before: CHINA PETROLEUM PIPELINE BUREAU Applicant before: CHINA PETROLEUM PIPELINE ENGINEERING Corp. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160206 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Applicant after: China National Petroleum Corp. Applicant after: CHINA PETROLEUM PIPELINE BUREAU Applicant after: CHINA PETROLEUM PIPELINE ENGINEERING Corp. Address before: Langfang City, Hebei Province, 065000 Heping Road, Guangyang District No. 146 Applicant before: CHINA PETROLEUM PIPELINE ENGINEERING Corp. |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20171211 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Applicant after: China National Petroleum Corp. Applicant after: China Petroleum Pipeline Engineering Co.,Ltd. Applicant after: DESIGN BRANCH OF CHINA PETROLEUM PIPELINE ENGINEERING Corp. Address before: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Applicant before: China National Petroleum Corp. Applicant before: CHINA PETROLEUM PIPELINE BUREAU Applicant before: CHINA PETROLEUM PIPELINE ENGINEERING Corp. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100007 Oil Mansion, 9 North Avenue, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: China Petroleum Pipeline Engineering Co.,Ltd. Patentee after: DESIGN BRANCH OF CHINA PETROLEUM PIPELINE ENGINEERING Corp. Address before: 100007 Oil Mansion, 9 North Avenue, Dongcheng District, Beijing, Dongzhimen Patentee before: China National Petroleum Corp. Patentee before: China Petroleum Pipeline Engineering Co.,Ltd. Patentee before: DESIGN BRANCH OF CHINA PETROLEUM PIPELINE ENGINEERING Corp. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211119 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: China Petroleum Pipeline Engineering Co.,Ltd. Patentee after: CHINA PETROLEUM PIPELINE ENGINEERING Corp. Address before: 100007 Oil Mansion, 9 North Avenue, Dongcheng District, Beijing, Dongzhimen Patentee before: CHINA NATIONAL PETROLEUM Corp. Patentee before: China Petroleum Pipeline Engineering Co.,Ltd. Patentee before: DESIGN BRANCH OF CHINA PETROLEUM PIPELINE ENGINEERING Corp. |