CN102315521B - Pipeline station instrument equipment grounding device - Google Patents
Pipeline station instrument equipment grounding device Download PDFInfo
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- CN102315521B CN102315521B CN 201010220146 CN201010220146A CN102315521B CN 102315521 B CN102315521 B CN 102315521B CN 201010220146 CN201010220146 CN 201010220146 CN 201010220146 A CN201010220146 A CN 201010220146A CN 102315521 B CN102315521 B CN 102315521B
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Abstract
The invention discloses a pipeline instrument equipment grounding device. In the pipeline station instrument equipment grounding device, a barrier grounding ring (1) is added between an electric interface (13) and an anti-explosion barrier (2) of instrument equipment; the bottom of the barrier grounding ring (1) is connected with a line nose 1 (9) by a bolt 1(7) and a nut (8); the line nose 1(9) is connected with a grounding lead (5); the other end of the grounding lead (5) is connected with a line nose 2(10); the line nose 2(10) is connected to instrument grounding flat steel (11) by a bolt (15) and a nut; the instrument grounding flat steel (11) is connected with electric power grounding net flat steel (12); and the grounding lead (5) is fixed with an instrument protection tube (4) by acable bonding tape 1(6), a cable bonding tape 2(16) and a cable bonding tape 3(17). The pipeline station instrument equipment grounding device is safe, improves the precision and the stability of theinstrument equipment, is convenient to operate and maintain, and reduces equipment investment and construction cost.
Description
Technical field
The present invention is field, a kind of pipeline station instrumentation earthing device.Relate to the pipe-line system technical field.
Background technology
Ground connection for field, pipeline station instrumentation; engineering all adopted the ground connection with instrumentation to be directly connected on the buried instrument protection pipe in the past; the method that is grounded by instrument protection pipe and contacting of the earth, or the method that is grounded of the ground connection of the process pipelines by being connected with instrument, process equipment.
If the employing of the ground connection of instrumentation is directly connected on the buried instrument protection pipe, realize the method for instrumentation ground connection by the instrument protection pipe with contacting of the earth, because the floor space of field, pipeline station is big, instrumentation distributes wide, the earthing potential difference of region, then certainly will produce potential difference between the zones of different instrumentation, the heavy current that produces when the generation thunderstorm hour causes damage with regard to being easy to the instrumentation at scene, and the field instrument equipment that is not installed on the process pipelines then is easy to directly be subjected to the attack of thunder and lightning and damages instrumentation under the situation that electric current is released fast; If adopt by the process pipelines that is connected with instrumentation or the ground connection of process equipment and realize the method for instrumentation ground connection, owing to link to each other by the lead cross-over connection between process pipelines and the process equipment, and with process equipment ground connection, and then the ground connection of realizing instrumentation, if the cross-over connection lead is owing to connecting insecure or with the passing of time reason disconnection such as corrosion, same owing to produce potential difference, the heavy current that produces when the generation thunderstorm hour causes damage with regard to being easy to the instrumentation at scene; Simultaneously since much be installed in instrumentation on the process pipelines because process pipelines is long away from process equipment, so just cause field instrument equipment just far by the ground connection of process equipment, when the heavy current that the generation thunderstorm hour produces just can not released as early as possible with regard near point, rush of current causes damage with regard to being easy to the instrument at scene for a long time, therefore no matter adopt above-mentioned which kind of earthing method, all can have influence on fail safe, reliability, stability and the accuracy of instrumentation.
Summary of the invention
The objective of the invention is to invent a kind of safe, accuracy and stability of improving field instrument equipment that makes pipe-line construction more be tending towards standardization, modularization, hommization, the instrumentation that keeps the scene intact, make it reduce working procedure and material, make things convenient for operation maintenance, reduce equipment investment and field, the pipeline station instrumentation earthing method of operating expenses and the construction method of device and device.
Deficiency at the instrumentation earthing method existence of existing field, pipeline station, earthing method of the present invention is that the housing ground with the instrumentation electric interfaces 13 of station instrumentation 14 is connected with instrumentation grounding band steel 11 usefulness leads, and instrumentation grounding band steel 11 welds with band steel 12 power ground again.
The present invention adopts the equipotential grounding requirement function that can realize all instrumentations behind the instrumentation earthing device for field, pipeline station.This equipment adopt explosion-proof every blue 2, every blue ground loop 1, earth lead 5 and instrumentation grounding band steel 11, instrument protection pipe 4, cable tie band, bolt, nut and line nose 1. 9, line nose 2. 10, and be applicable to the instrumentation ground connection at all stations.Can carry out scene adjustment according to the size of the instrumentation of each engineering and setting height(from bottom), installation site.
Formation of the present invention as shown in Figure 1, by every blue ground loop 1, explosion-proof every blue 2, line nose 1. 9, the line nose 2. 10, bolt 1. 7, bolt 2. 15, nut 8, earth lead 5, instrumentation grounding band steel 11, cable tie band 1. 6, the cable tie band 2. 16, the cable tie band 3. 17, instrument protection pipe 4 forms.Usually the instrumentation electric interfaces 13 of field, pipeline station instrumentation 14 patches the place with instrument cable 3, and instrument cable 3 is with explosion-proof every orchid 2 outward, and instrument cable 3 is enclosed within 4 li of instrument protection pipes from underground to the ground epimere; This device is at instrumentation electric interfaces 13 and explosion-proofly install additional every blue ground loop 1 between blue 2; every the bottom of blue ground loop 1 by bolt 1. 7 and nut 8 connecting line noses 1. 9; the line nose is 9 earth leads 5 1.; the other end wiring nose of earth lead 5 2. 10; 2. the line nose 10 is connected to instrumentation grounding band steel 11 by bolt 15 and nut; instrumentation grounding band steel 11 connects electric power grounding grid band steels 12, earth lead 5 by the cable tie band 1. 6, the cable tie band 2. 16, the cable tie band is 3. 17 fixing with instrument protection pipe 4.
Wherein:
Be to provide ground connection connection for connecting explosion-proof electric interfaces 13 every blue 2 inlet wires and instrumentation 14 every blue ground loop 1, every the instrumentation electric interfaces 13 of the size of blue ground loop 1 and the instrumentation 14 that is connected and explosion-proof every blue 2 consistent size, be brass nickel plating every blue ground loop 1 and explosion-proof material every blue 2, explosive-proof grade EXdIIBT4, degree of protection are IP65;
Bolt 1. 7, bolt 2. 15 and nut 8 be supporting bolt and nut.
The construction method of field, this pipeline station instrumentation earthing device:
The line nose 1. 9, the line nose 2. 10 specification and bolt 1. 7, bolt 2. 15 and nut 8 supporting, material is brass nickel plating;
The line nose 1. 9, the line nose 2. 10 with earth lead 5 between adopt welding manner to be connected, and do corresponding antirust processing, earth lead 5 is copper core polyvinyl chloride insulation pvc sheath flexible electric power cable, voltage withstand class: rated voltage 0.6/1kV;
Instrumentation grounding band steel 11 and electric power adopt brazing power ground and do preservative treatment between the band steel 12, instrumentation grounding band steel 11 is the zinc-coated flat steel sheet of ∠ 40 * 4, and during installation, basset 18 height of instrumentation grounding band steel 11 is 50mm.
Instrumentation adopts the equipotential grounding requirement function that can realize all instrumentations behind the earthing device, and safe, the accuracy and the stability that improve field instrument equipment of the instrumentation that can keep the scene intact, makes pipe-line construction more be tending towards standardization, modularization, hommization, minimizing working procedure and material, makes things convenient for operation maintenance, reduces equipment investment and operating expenses.
The present invention is applicable to the earthing mode of all field, pipeline station field instrument equipment.Ground connection for the field instrument equipment of long-distance transport pipes engineering, oil-gas field surface engineering, oil depot engineering has huge application space and good economic benefit.
Description of drawings
Field, Fig. 1 pipeline station instrumentation earthing device
Wherein 1-is explosion-proof every orchid every blue ground loop 2-
3-instrument cable 4-instrument cable protection tube
5-earth lead 6-cable tie band 1.
The 7-bolt is the 8-nut 1.
1. 10-line nose is 2. for 9-line nose
11-instrumentation grounding band steel 12-is band steel power ground
13-instrumentation electric interfaces 14-instrumentation
2. 16-cable tie band is 2. for the 15-bolt
17-cable tie band is 18-ground 3.
Embodiment
Embodiment. this example be in Lanzhou-Zhengzhou-field instrument equipment ground device that Changsha processed oil pipeline engineering test is used.This routine earthing method is that the housing ground with the instrumentation electric interfaces 13 of station instrumentation 14 is connected with instrumentation grounding band steel 11 usefulness leads, and instrumentation grounding band steel 11 welds with band steel 12 power ground again.
It constitutes as shown in Figure 1, by every blue ground loop 1, explosion-proof every blue 2, line nose 1. 9, the line nose 2. 10, bolt 1. 7, bolt 2. 15, nut 8, earth lead 5, instrumentation grounding band steel 11, cable tie band 1. 6, the cable tie band 2. 16, the cable tie band 3. 17, instrument protection pipe 4 forms.This example is at instrumentation electric interfaces 13 and explosion-proofly install additional every blue ground loop 1 between blue 2; every the bottom of blue ground loop 1 by bolt 1. 7 and nut 8 connecting line noses 1. 9; the line nose is 9 earth leads 5 1.; the other end wiring nose of earth lead 5 2. 10; 2. the line nose 10 is connected to instrumentation grounding band steel 11 by bolt 15 and nut; instrumentation grounding band steel 11 connects electric power grounding grid band steels 12, earth lead 5 by the cable tie band 1. 6, the cable tie band 2. 16, the cable tie band is 3. 17 fixing with instrument protection pipe 4.
Major parameter:
The electric interfaces 13 of the size of ground loop 1 and the instrumentation that is connected 14 and explosion-proof every blue 2 consistent size is brass nickel plating every blue ground loop 1 and explosion-proof material every blue 2, and explosive-proof grade EXdII BT4, degree of protection are IP65;
Bolt 1. 7, bolt 2. 15 and the specification of nut 8 be the supporting bolt and nut of M6 of standard, the line nose 1. 9, the line nose 2. 10 specification be with the bolt of M6 1. 7, bolt 2. 15 and nut 8 supporting, material is brass nickel plating;
Instrumentation grounding band steel 11 and electric power adopt brazing power ground and do preservative treatment between the band steel 12, instrumentation grounding band steel 11 is the zinc-coated flat steel sheet of ∠ 40 * 4, and during installation, basset 18 height of instrumentation grounding band steel 11 is 50mm.
This example is through on probation; can realize the equipotential grounding requirement function of all field instrument equipment, and safe, the accuracy and the stability that improve field instrument equipment of the instrumentation that can keep the scene intact, make pipe-line construction more be tending towards standardization, modularization, hommization, minimizing working procedure and material, make things convenient for operation maintenance, reduce equipment investment and operating expenses.
Claims (4)
1. field, pipeline station instrumentation earthing device, instrumentation electric interfaces (13) at instrument cable (3) and field, pipeline station instrumentation (14) patches the place, instrument cable (3) is with explosion-proof every blue (2) outward, and instrument cable (3) is enclosed within instrument protection pipe (4) lining from underground to the ground epimere; It is characterized in that earthing device by every blue ground loop (1), line nose 1. (9), line nose 2. (10), bolt 1. (7), bolt 2. (15), nut (8), earth lead (5), instrumentation grounding band steel (11), cable tie band 1. (6), cable tie band 2. (16), cable tie band 3. (17) form; At instrumentation electric interfaces (13) and explosion-proofly between blue (2), install additional every blue ground loop (1); every the bottom of blue ground loop (1) by bolt 1. (7) and nut (8) connecting line nose 1. (9); line nose 1. (9) connects earth lead (5); the other end wiring nose of earth lead (5) is (10) 2.; 2. (10) 2. (15) and nut are connected to instrumentation grounding band steel (11) to the line nose by bolt; instrumentation grounding band steel (11) connects band steel (12) power ground, and earth lead (5) is by cable tie band 1. (6); the cable tie band is (16) 2.; cable tie band 3. (17) is fixing with instrument protection pipe (4).
2. according to field, claim 1 described pipeline station instrumentation earthing device, it is characterized in that described earth lead (5) voltage withstand class: rated voltage 0.6/1kV.
3. according to field, claim 1 described pipeline station instrumentation earthing device, it is characterized in that described instrumentation grounding band steel (11) is-40 * 4 zinc-coated flat steel sheet, during installation, the basset height of (18) of instrumentation grounding band steel (11) is 50mm.
4. according to field, claim 1 described pipeline station instrumentation earthing device, it is characterized in that the instrumentation electric interfaces (13) of described size every blue ground loop (1) and the instrumentation that is connected (14) and explosion-proof every blue (2) consistent size, be brass nickel plating every blue ground loop (1) and explosion-proof material every blue (2), explosive-proof grade EXdII BT4, degree of protection are IP65.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010220146 CN102315521B (en) | 2010-07-06 | 2010-07-06 | Pipeline station instrument equipment grounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010220146 CN102315521B (en) | 2010-07-06 | 2010-07-06 | Pipeline station instrument equipment grounding device |
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| Publication Number | Publication Date |
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| CN102315521A CN102315521A (en) | 2012-01-11 |
| CN102315521B true CN102315521B (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010220146 Active CN102315521B (en) | 2010-07-06 | 2010-07-06 | Pipeline station instrument equipment grounding device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315522B (en) * | 2010-07-06 | 2013-10-23 | 中国石油天然气集团公司 | Earthing device of pipeline station instrument equipment and construction method thereof |
| CN102623809A (en) * | 2012-04-01 | 2012-08-01 | 无锡辉腾科技有限公司 | Lightning protection device for vaporizer |
| CN103972668B (en) * | 2014-05-26 | 2016-07-06 | 国家电网公司 | The recessed dress steel tower ground wire of L-shaped band steel near-earth |
| CN111262137B (en) * | 2020-03-16 | 2022-03-01 | 国网河南省电力公司南阳供电公司 | Uninterrupted multifunctional grounding device for switch cabinet cable dismounting |
| CN113690640B (en) * | 2021-09-02 | 2024-01-19 | 中建八局第二建设有限公司 | Lightning protection grounding device and implementation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2247878Y (en) * | 1995-12-26 | 1997-02-19 | 钱根源 | Corrosion-proof earthing protection device |
| CN2796160Y (en) * | 2005-04-21 | 2006-07-12 | 肖明训 | Overvoltage protective earthing device for insulation conductor deep leading into earth |
| CN201195750Y (en) * | 2008-04-30 | 2009-02-18 | 武汉爱劳高科技有限责任公司 | Oil gas conveyer tube protection device |
| CN201741822U (en) * | 2010-07-06 | 2011-02-09 | 中国石油天然气集团公司 | Earthing device of pipeline station instrument equipment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09330751A (en) * | 1996-06-10 | 1997-12-22 | Babcock Hitachi Kk | Grounding conductor facility |
| ATE201260T1 (en) * | 1998-08-24 | 2001-06-15 | Daume Karin Maschinenteile | DEVICE FOR ELECTRICALLY CONDUCTIVE CONTACTING AN ELECTRICALLY CONDUCTIVE PART OF A PARTICULARLY ELONGATED, FOR EXAMPLE ESSENTIALLY CYLINDRICAL BODY, FOR EXAMPLE A PIPE OR A CABLE |
| JP2003050000A (en) * | 2001-08-06 | 2003-02-21 | Nippon Steel Corp | Pressure transmitting device for pipeline |
| US6727430B1 (en) * | 2003-02-12 | 2004-04-27 | Senior Industries, Inc. | Methods and apparatus to secure a ground strap assembly to an electrically conductive member |
| US6965079B2 (en) * | 2004-01-21 | 2005-11-15 | Wyman Westberry | Electrical ground connection apparatus |
-
2010
- 2010-07-06 CN CN 201010220146 patent/CN102315521B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2247878Y (en) * | 1995-12-26 | 1997-02-19 | 钱根源 | Corrosion-proof earthing protection device |
| CN2796160Y (en) * | 2005-04-21 | 2006-07-12 | 肖明训 | Overvoltage protective earthing device for insulation conductor deep leading into earth |
| CN201195750Y (en) * | 2008-04-30 | 2009-02-18 | 武汉爱劳高科技有限责任公司 | Oil gas conveyer tube protection device |
| CN201741822U (en) * | 2010-07-06 | 2011-02-09 | 中国石油天然气集团公司 | Earthing device of pipeline station instrument equipment |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平9-330751A 1997.12.22 |
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| CN102315521A (en) | 2012-01-11 |
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Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee after: China National Petroleum Corp. Patentee after: CHINA PETROLEUM PIPELINE BUREAU Patentee after: China Petroleum Pipeline Engineering Co.,Ltd. Address before: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee before: China National Petroleum Corp. Patentee before: CHINA PETROLEUM PIPELINE BUREAU Patentee before: CHINA PETROLEUM PIPELINE ENGINEERING Corp. |
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Effective date of registration: 20170316 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee after: China National Petroleum Corp. Patentee after: China Petroleum Pipeline Engineering Co.,Ltd. Address before: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee before: China National Petroleum Corp. Patentee before: CHINA PETROLEUM PIPELINE BUREAU Patentee before: China Petroleum Pipeline Engineering Co.,Ltd. |