CN220798602U - Lightning protection and antistatic grounding device for gas metal pipeline - Google Patents
Lightning protection and antistatic grounding device for gas metal pipeline Download PDFInfo
- Publication number
- CN220798602U CN220798602U CN202322403333.6U CN202322403333U CN220798602U CN 220798602 U CN220798602 U CN 220798602U CN 202322403333 U CN202322403333 U CN 202322403333U CN 220798602 U CN220798602 U CN 220798602U
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- metal pipeline
- terminal
- flow guiding
- lightning protection
- drainage
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 104
- 239000002184 metal Substances 0.000 title claims abstract description 104
- 238000005260 corrosion Methods 0.000 claims abstract description 22
- 230000003068 static effect Effects 0.000 claims abstract description 16
- 230000002265 prevention Effects 0.000 claims abstract description 14
- 239000010410 layer Substances 0.000 claims description 27
- 230000005611 electricity Effects 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000010426 asphalt Substances 0.000 claims description 3
- 239000003208 petroleum Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 3
- 238000005246 galvanizing Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 2
- 239000011247 coating layer Substances 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 33
- 239000000853 adhesive Substances 0.000 description 23
- 230000001070 adhesive effect Effects 0.000 description 23
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000005536 corrosion prevention Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 208000025274 Lightning injury Diseases 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- 238000007747 plating Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000009861 stroke prevention Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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- Elimination Of Static Electricity (AREA)
Abstract
The utility model relates to the technical field of metal pipelines and discloses a lightning-proof and antistatic grounding device for a gas metal pipeline, which comprises a metal pipeline, an anticorrosive layer and an outgoing grounding terminal, wherein the outgoing grounding terminal comprises a bonding plate, a flow guiding column and a flow guiding wiring terminal, the bonding plate is tightly and closely arranged on the outer wall of the metal pipeline, the flow guiding column is connected with the bonding plate, the flow guiding wiring terminal is connected with the flow guiding column, a pipe orifice of the flow guiding wiring terminal is used for inserting a flow guiding wire, the flow guiding wire is grounded, and the anticorrosive layer is arranged on the surface of the metal pipeline which is not surrounded by the bonding plate and the outer surfaces of the bonding plate, the flow guiding column and the flow guiding wiring terminal. The gas metal pipeline lightning protection and static prevention grounding device has the advantages of simple structure, convenient installation, no need of welding on the metal pipeline, no damage to the metal pipeline, good contact effect, strong corrosion resistance and effective lightning protection and static prevention.
Description
Technical Field
The utility model relates to the technical field of gas pipelines, in particular to a lightning protection and static electricity prevention grounding device for a gas metal pipeline.
Background
The gas metal pipeline should be made with measures of preventing direct lightning strike, preventing induction lightning strike and preventing lightning wave invasion. The gas pipeline laid outdoors has the following relevant regulations: the wall thickness of the gas pipeline made of steel materials is not smaller than 4mm, and the wall thickness of the gas pipeline made of aluminum materials is not smallerAt 7mm; when the height of the vertical pipe of the gas pipeline is less than 30m, the top of the vertical pipe and the position of the introducing pipe are respectively connected with the lightning-proof grounding terminal of the building nearby; when the height of the vertical pipe of the gas pipeline is more than 30m, the vertical pipe is connected with the lightning-proof grounding terminal of the building by a drainage wire at intervals of not more than 12 m. The transition resistance of the joint connection part of the vertical pipe of the gas pipeline is more than 0.03 ohm, and BVR-6mm is also needed 2 (6 mm diameter double layer PVC insulated wire) copper core flexible wire is bridged.
At present, the drainage wire is usually connected with the gas pipeline by adopting a welding or hoop mode. Because the surface of the gas pipeline is usually subjected to corrosion prevention treatment, the corrosion prevention layer needs to be cleaned firstly by adopting the two connection modes, and then the gas pipeline is connected with the ground, so that the difficulty is increased for subsequent construction.
Disclosure of Invention
The utility model aims to provide the lightning-protection and static-prevention grounding device for the gas metal pipeline, which has the advantages of simple structure, convenience in installation, no need of welding on the metal pipeline, no damage to the metal pipeline, good contact effect, strong corrosion resistance and effective lightning protection and static prevention.
In order to achieve the above purpose, the present utility model proposes the following technical scheme: the utility model provides a gas metal pipeline lightning protection antistatic grounding device, including metal pipeline, anticorrosive coating, still including leading out the earthing terminal, it includes bonding plate, water conservancy diversion post, drainage wiring end to draw out the earthing terminal, the bonding plate closely encloses to establish the metal pipeline outer wall, the water conservancy diversion post is connected the bonding plate, the drainage wiring end is connected the water conservancy diversion post, drainage wiring end mouth of pipe is used for inserting and contacts the drainage line, drainage line ground connection, the anticorrosive coating set up in not by the bonding plate encloses the metal pipeline surface reaches the bonding plate the water conservancy diversion post the surface of drainage wiring end.
Preferably, one end of the metal pipeline is also connected with a connector for connecting the metal pipeline with other fuel gas pipelines.
Preferably, the leading-out grounding terminal and the metal pipeline are made of the same material.
Preferably, the anti-corrosion layer is coated with polyethylene paint; the metal pipe and the leading-out grounding terminal can be formed by any one of the methods of coating petroleum asphalt, galvanizing, aluminum layer, passivating and phosphating metal surface layer.
Preferably, the metal pipe is a seamless metal pipe.
Preferably, the drainage wire connection end is a tubular end, the drainage wire is inserted into the pipe orifice of the drainage wire connection end, and the drainage wire connection end are tightly pressed by external force to achieve contact.
Preferably, the drainage wire is grounded by connecting a reserved lightning-proof grounding terminal or a grounding rod.
Preferably, the bonding plate is connected with the flow guiding column in a T shape.
Preferably, the metal pipe and the outgoing ground terminal are made of stainless steel.
The beneficial effects are that:
1. the utility model has reasonable structure, no anti-corrosion layer is arranged on the surface of the metal pipeline provided with the bonding plate part, the anti-corrosion layer is arranged on the outer surface of the bonding plate in the leading-out grounding terminal, and when the bonding plate is surrounded on the metal pipeline at the position where the anti-corrosion layer is not arranged, the metal component part of the grounding device is just positioned in the anti-corrosion layer, and the anti-corrosion layer on the metal pipeline does not need to be cleaned before the leading-out grounding terminal is arranged.
2. According to the grounding device, the drainage terminal heads of the grounding terminals are led out to be compressed and coated on the outer sides of the drainage wires, so that reliable electrical connection is formed, damage to the metal pipeline and an anti-corrosion layer on the metal pipeline is avoided, leakage inspection and anti-corrosion treatment on the metal pipeline are not required, and convenience is brought to construction.
Drawings
The drawings are not intended to be drawn to scale with respect to true references. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the utility model will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of a bent gas metal pipeline lightning protection and static electricity prevention grounding device.
Fig. 2 is a schematic structural diagram of the lightning protection and static electricity prevention grounding device for the gas metal pipeline.
Fig. 3 is a schematic engineering structure of the grounding device in fig. 1 when implemented.
Fig. 4 is a schematic engineering structure of the grounding device in fig. 2 when implemented.
Reference numerals: 1-a metal pipe; 2-an anticorrosive layer; 3-leading out a grounding terminal; 4-connecting head; 5-a gas pipeline; 6-drainage line; 7-reserving a lightning protection grounding terminal; 8-a grounding rod; 9-ground; 31-an adhesive sheet; 32-a flow guiding column; 33-drainage terminal.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present utility model fall within the protection scope of the present utility model. Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs.
The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Also, unless the context clearly indicates otherwise, singular forms "a," "an," or "the" and similar terms do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "comprises," "comprising," or the like are intended to cover a feature, integer, step, operation, element, and/or component recited as being present in the element or article that "comprises" or "comprising" does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. "up", "down", "left", "right" and the like are used only to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed accordingly.
The following disclosure provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not in themselves indicate the relationship between the various embodiments and/or arrangements discussed.
At present, the drainage wire is usually connected with the gas pipeline by adopting a welding or hoop mode. Because the surface of the gas pipeline is usually subjected to corrosion prevention treatment, the corrosion prevention layer needs to be cleaned firstly by adopting the two connection modes, and then the gas pipeline is connected with the ground, so that the difficulty is increased for subsequent construction.
Based on the above problems, the embodiment of the utility model provides a lightning protection and static electricity prevention grounding device for a gas metal pipeline.
Referring to fig. 1 and 2, the lightning protection and static prevention earthing device for a gas metal pipeline comprises a metal pipeline 1, an anti-corrosion layer 2, and further comprises an outgoing earthing terminal 3, wherein the outgoing earthing terminal 3 comprises an adhesive plate 31, a flow guiding column 32 and a flow guiding wiring terminal 33, the adhesive plate 31 is tightly enclosed on the outer wall of the metal pipeline 1, the flow guiding column 32 is connected with the adhesive plate 31, the flow guiding wiring terminal 33 is connected with the flow guiding column 32, a pipe orifice of the flow guiding wiring terminal 33 is used for being inserted into and contacting with a drainage wire 6, the drainage wire 6 is earthed, and the anti-corrosion layer 2 is arranged on the surface of the metal pipeline 1 which is not enclosed by the adhesive plate 31, the flow guiding column 32 and the outer surface of the flow guiding wiring terminal 33.
One end of the metal pipeline 1 is also connected with a connector 4 for connecting the metal pipeline with other gas pipelines 5.
In some embodiments of the present utility model, the outgoing ground terminal 3 is made of the same material as the metal pipe, so that the outgoing ground terminal 3 and the metal pipe have the same electrical conductivity. The metal pipe and the lead-out ground terminal 3 may preferably be made of stainless steel.
In some embodiments of the utility model, the anticorrosive layer 2 is formed on the surfaces of the metal pipeline 1 and the outgoing grounding terminal 3 by spraying polyethylene paint, coating petroleum asphalt, a galvanized layer and an aluminum layer and passivating and phosphating any one of metal surface layers, so as to separate contact between metal and external corrosive substances, thereby playing an anticorrosive role and prolonging the service life.
In some embodiments of the utility model, the metal pipeline is a seamless metal pipeline, and the inner and outer walls of the seamless steel pipe have no joints or welding seams, so that the metal pipeline has better pressure resistance and corrosion resistance.
In some embodiments of the present utility model, the drainage terminal 33 is a tubular terminal having an outer diameter of 18-26mm, an inner diameter of 10-14mm, and a nozzle depth of 100-120mm. The drainage wire 6 is made of round steel with the diameter of 8-12mm, is inserted into the pipe orifice of the drainage terminal head 33, stretches into the pipe bottom, and can tightly press and contact the drainage terminal head 33 and the drainage wire 6 by means of an external force tool, such as a pressure clamp, so that reliable electrical connection is formed.
The drainage wire 6 is grounded by connecting a reserved lightning protection grounding terminal 7 or a grounding rod 8.
The bonding plate 31 is connected with the flow guiding column 32 in a T shape. The T-shaped structure facilitates the positioning of the pressing clamp when the drainage terminal 33 is in press connection with the drainage wire 6.
Referring to fig. 1 and 2, the metal pipe 1 may be selected from a straight line or a bent line according to practical situations, and one end of the metal pipe 1 is connected to the gas pipe 5 through the connection joint 4. Whether the metal pipeline 1 adopts straight line type or bending type, the structure of the leading-out grounding terminal 3 is unchanged, the structure comprises an adhesive plate 31, a flow guiding column 32 and a flow guiding wiring terminal 33, the adhesive plate 31 is tightly enclosed on the outer wall of the metal pipeline 1, the flow guiding column 32 is connected with the adhesive plate 31, the flow guiding wiring terminal 33 is connected with the flow guiding column 32, the orifice of the flow guiding wiring terminal 33 is used for inserting a drainage wire 6, and the drainage wire 6 is grounded. The leading-out grounding terminal 3 is used for leading out lightning and induced current caused by the lightning of the metal pipeline through an adhesive plate 31, a flow guide post 32, a flow guide terminal head 33 and a grounded flow guide wire 6, wherein the adhesive plate 31 is tightly connected with the outer wall of the metal pipeline, the flow guide post 32 is connected with the flow guide post 32, and an electric path is formed when the lightning exists.
As shown in fig. 3, when the metal pipeline is of a bent structure, the metal pipeline is connected with the buried gas pipeline 5 through the joint. The metal pipeline 1 is a seamless metal pipe made of stainless steel, and the bending angle of the metal pipeline is 90 degrees.
The anti-corrosion layer 2 arranged on the surfaces of the metal pipeline 1 and the leading-out grounding terminal 3 is coated by injection molding.
The leading-out grounding terminal 3 comprises an adhesive plate 31, a flow guiding column 32 and a flow guiding wiring terminal 33, wherein the adhesive plate 31 is tightly enclosed on the outer wall of the metal pipeline, the flow guiding column 32 is connected with the adhesive plate 31, the flow guiding column 32 is connected with the flow guiding column 33, the orifice of the flow guiding wiring terminal 33 is used for inserting a drainage wire 6, and the drainage wire 6 is grounded. The lead-out grounding terminal 3 forms an electric path when thunder and lightning exists through an adhesive plate 31 tightly connected with the outer wall of the metal pipeline 1, a flow guiding column 32 connected with the adhesive plate 31, a flow guiding terminal head 33 connected with the flow guiding column 32 and a grounded flow guiding wire 6. The bonding plate 31 is connected with the flow guiding column 32 in a T shape. One end of the metal pipeline 1 is exposed out of the ground 9 and is connected with an outdoor gas pipeline, and the other end of the metal pipeline is connected with a buried gas pipeline through a connector 4 arranged at a port; the drainage wire 6 is inserted into the pipe orifice of the drainage wire connecting end 33, stretches into the pipe bottom, is placed in a die of a pressing clamp, and is driven by a hydraulic oil pump to press the die, so that the drainage wire connecting end 33 is compressed, and is coated on the outer side of the drainage wire 6 inserted into the drainage wire connecting end 33, so that reliable electrical connection is formed. Therefore, the metal pipeline 1 is connected with the reserved lightning protection grounding terminal 7 or the grounding rod 8, lightning stroke current and induced current are effectively dispersed, and static electricity accumulation of the gas transmission pipeline is avoided, so that lightning stroke prevention and static electricity prevention effects are realized, and damage to the gas transmission pipeline and related facilities caused by the lightning stroke and the induced current is effectively prevented.
As shown in fig. 4, when the metal pipeline 1 is in a linear structure, the metal pipeline is connected with an external wall overhead gas pipeline 5 through a joint.
The metal pipeline 1 is a seamless metal pipe made of carbon steel, and the metal pipeline 1 is arranged in a straight line.
The corrosion protection layer 22 is coated with zinc plating.
The leading-out grounding terminal 3 comprises an adhesive plate 31, a flow guiding column 32 and a flow guiding wiring terminal 33, wherein the adhesive plate 31 is tightly enclosed on the outer wall of the metal pipeline 1, the flow guiding column 32 is connected with the adhesive plate 31, the flow guiding column 32 is connected with the flow guiding column 33, the orifice of the flow guiding wiring terminal 33 is used for inserting a drainage wire 6, and the drainage wire 6 is grounded. The lead-out grounding terminal 3 forms an electric path when thunder and lightning exists through an adhesive plate 31 tightly connected with the outer wall of the metal pipeline 1, a flow guiding column 32 connected with the adhesive plate 31, a flow guiding terminal head 33 connected with the flow guiding column 32 and a grounded flow guiding wire 6. The bonding plate 31 is connected with the flow guiding column 32 in a T shape. The drainage wire 6 is inserted inside the pipe orifice of the drainage wire connecting end 33, stretches into the pipe bottom, is placed in a die of the pressing pliers, and is used for driving the pressing pliers to extrude the die through the hydraulic oil pump, so that the drainage wire connecting end is compressed and coated on the outer side of the drainage wire inserted into the drainage wire connecting end, reliable electric connection is formed, a metal pipeline is connected with the reserved lightning-proof grounding terminal 7, lightning-proof current and induced current are effectively dispersed, static electricity is accumulated in a gas transmission pipeline is avoided, lightning-proof effect is achieved, and damage to the gas transmission pipeline and related facilities caused by lightning-proof and induced current is effectively prevented.
The utility model has reasonable structure, no anti-corrosion layer 2 is arranged on the surface of the metal pipeline 1 provided with the adhesive plate 31, the anti-corrosion layer 2 is arranged on the outer surface of the adhesive plate 31 led out of the grounding terminal, the adhesive plate 31 is arranged on the metal pipeline 1 at the position where the anti-corrosion layer 2 is not arranged, and the metal component part of the grounding device is just in the protection of the anti-corrosion layer 2.
The grounding device is connected with the drainage wire 6 through the drainage wire terminal 33 led out of the grounding terminal 3, the drainage wire 6 is inserted into the pipe orifice of the drainage wire terminal 33 and stretches into the pipe bottom, the drainage wire terminal 33 is compressed by the die of the hydraulic oil pump driving press pliers and is coated on the outer side of the drainage wire 6 inserted into the drainage wire terminal 33, reliable electrical connection is formed, the metal pipeline 1 and the anti-corrosion layer 2 on the metal pipeline 1 are not damaged, and therefore leakage inspection and anti-corrosion treatment on the metal pipeline 1 are not needed, and convenience is brought to construction.
While the utility model has been described with reference to preferred embodiments, it is not intended to be limiting. Those skilled in the art will appreciate that various modifications and adaptations can be made without departing from the spirit and scope of the present utility model. Accordingly, the scope of the utility model is defined by the appended claims.
Claims (9)
1. The utility model provides a gas metal pipeline lightning protection antistatic grounding device, includes metal pipeline, anticorrosive coating, its characterized in that still includes extraction ground terminal, extraction ground terminal includes bonding plate, water conservancy diversion post, drainage terminal, the bonding plate is closely enclosed to be established the metal pipeline outer wall, the water conservancy diversion post is connected the bonding plate, the drainage terminal is connected the water conservancy diversion post, drainage terminal mouth of pipe is used for inserting and contacts the drainage line, the drainage line ground connection, the anticorrosive coating set up not by the bonding plate encloses metal pipeline surface with the bonding plate the water conservancy diversion post the surface of drainage terminal.
2. The lightning protection and antistatic grounding device for a gas metal pipeline according to claim 1, wherein one end of the metal pipeline is further connected with a connector for connecting the metal pipeline with other gas pipelines.
3. The gas metal pipeline lightning protection and static electricity prevention grounding device according to claim 1, wherein the leading-out grounding terminal and the metal pipeline are made of the same material.
4. The lightning protection and antistatic grounding device of a gas metal pipeline according to claim 1, wherein the anti-corrosion layer is a sprayed polyethylene coating layer; or the anticorrosive layer is formed on the surfaces of the metal pipeline and the outgoing grounding terminal by any one of coating petroleum asphalt, galvanizing and aluminum layers, passivating and phosphating metal surface layers.
5. The gas metal pipeline lightning protection and static electricity prevention grounding device according to claim 1, wherein the metal pipeline is a seamless metal pipeline.
6. The gas metal pipeline lightning protection and static prevention grounding device according to claim 1, wherein the drainage wire terminal is a tubular terminal, the drainage wire is inserted into the pipe orifice of the drainage wire terminal, and the drainage wire terminal are pressed by external force to achieve contact.
7. The lightning protection and antistatic grounding device for a gas metal pipeline according to claim 1, wherein the drainage wire is grounded by connecting a reserved lightning protection grounding terminal or a grounding rod.
8. The gas metal pipeline lightning protection and static electricity prevention grounding device according to claim 1, wherein the bonding plate is connected with the flow guiding column in a T shape.
9. The gas metal pipeline lightning protection and static electricity prevention grounding device according to claim 1, wherein the metal pipeline and the outgoing grounding terminal are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322403333.6U CN220798602U (en) | 2023-09-05 | 2023-09-05 | Lightning protection and antistatic grounding device for gas metal pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322403333.6U CN220798602U (en) | 2023-09-05 | 2023-09-05 | Lightning protection and antistatic grounding device for gas metal pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220798602U true CN220798602U (en) | 2024-04-16 |
Family
ID=90634061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322403333.6U Active CN220798602U (en) | 2023-09-05 | 2023-09-05 | Lightning protection and antistatic grounding device for gas metal pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220798602U (en) |
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2023
- 2023-09-05 CN CN202322403333.6U patent/CN220798602U/en active Active
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