CN206310241U - A kind of gas pipeline gas-oil valve grounding-for-lightning device - Google Patents
A kind of gas pipeline gas-oil valve grounding-for-lightning device Download PDFInfo
- Publication number
- CN206310241U CN206310241U CN201621113583.XU CN201621113583U CN206310241U CN 206310241 U CN206310241 U CN 206310241U CN 201621113583 U CN201621113583 U CN 201621113583U CN 206310241 U CN206310241 U CN 206310241U
- Authority
- CN
- China
- Prior art keywords
- gas
- grounding
- gas pipeline
- lightning
- oil valve
- 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.)
- Expired - Fee Related
Links
Landscapes
- Prevention Of Electric Corrosion (AREA)
Abstract
The utility model provides a kind of gas pipeline gas-oil valve grounding-for-lightning device, including decoupling blocking device, valve body, grounded screen, and the decoupling blocking device is connected with valve body, grounded screen respectively.A kind of gas pipeline gas-oil valve grounding-for-lightning device that the utility model is provided can guarantee that the validity of gas pipeline impressed current cathodic protection system, improve security, the reliability of conduit running.
Description
Technical field
The utility model is related to gas pipeline, and in particular to a kind of gas pipeline gas-oil valve grounding-for-lightning device.
Background technology
The ball valve of buried installation is configured with pneumatic hydraulic actuator in gas pipeline yard, valve chamber, intelligence degree is high,
It is stable, reliable, long service life.For pneumatic hydraulic actuator protection, electric specialty typically can be by executing agency
Lightning protection is included in yard union ground grid, and this connected mode only accounts for the lightning protection demand of electrical equipment, and have ignored
Influence to cathodic protection system.
Utility model content
For the drawbacks described above and problem of prior art, the utility model provides a kind of gas-liquid linked execution of gas pipeline
Mechanism's grounding-for-lightning device, installs wiring simply, efficiently solves the contradiction of lightning protection and cathodic protection.
In order to achieve the above object, the utility model provides following technical scheme：
A kind of gas pipeline gas-oil valve grounding-for-lightning device, including decoupling blocking device, valve body, grounded screen, it is described
Decoupling blocking device is connected with valve body, grounded screen respectively.
In above-mentioned technical proposal, the decoupling blocking device is solid decoupling device.
In above-mentioned technical proposal, the DC-isolation voltage of the solid decoupling device is -2V/+2V, and rated lightning impulse leads to
Current capacity is 100kA.
In above-mentioned technical proposal, the tie point of a binding post of the solid decoupling device and the ground wire of grounded screen
Be cable connection point, connected mode is cramp joint, two other binding post of the solid decoupling device respectively with it is gas-liquid linked
Valve body and the grounded screen connection of valve.
In above-mentioned technical proposal, the horizontal grounding device of the grounded screen is zinc-coated flat steel sheet, and the vertical of the grounded screen connects
Ground extremely Zinc-coated angle steel, the monitoring valve chamber earth resistance of the grounded screen is less than 4 ohm.
A kind of gas pipeline gas-oil valve grounding-for-lightning device that the utility model is provided can guarantee that gas pipeline is forced
The validity of current cathodic protection system, improves security, the reliability of conduit running.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is wiring schematic diagram of the present utility model.
Wherein：1st, valve head；2nd, valve body；3rd, solid decoupling device；4th, grounded screen；5th, cable connection point.
Specific embodiment
Below in conjunction with accompanying drawing of the present utility model, the technical solution of the utility model is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the utility model, rather than whole embodiments.Based on this practicality
Embodiment in new, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, the scope of the utility model protection is belonged to.
According to Fig. 1, as a kind of gas pipeline gas-oil valve grounding-for-lightning device shown in embodiment, including go
Coupling blocking device, valve body, grounded screen, decoupling blocking device are connected with valve body, grounded screen respectively.
Decoupling blocking device is solid decoupling device, and the DC-isolation voltage for decoupling blocking device is -2V/+2V, specified thunder
Surge discharge capacity is 100kA.
Grounded screen does horizontal grounding device using zinc-coated flat steel sheet, and Zinc-coated angle steel makees vertical grounding electrode, valve chamber ground connection ground connection electricity
Resistance is less than 4 ohm.
Cable connection point is one of binding post of solid decoupling device and the tie point of the ground wire of grounded screen, is connected
Mode is connect for cramp joint.
Two binding posts of solid decoupling device are connected with the valve body and grounded screen of gas-oil valve respectively.
The utility model provide a kind of gas pipeline gas-oil valve grounding-for-lightning device compared with prior art, advantage
It is：The validity of gas pipeline impressed current cathodic protection system is can guarantee that, security, the reliability of conduit running is improve.
Its advantage specifically finds as follows：Used as DC-isolation and AC coupled device, solid decoupling device can ensure cathodic protection electricity
Stream will not be lost in, and be turned on when having thunder-strike current or fault current, and electric current is entered into earthing pole.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model is disclosed
Or replace, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be described with power
The protection domain that profit is required is defined.
Claims (5)
1. a kind of gas pipeline gas-oil valve grounding-for-lightning device, it is characterised in that：Including decoupling blocking device, valve body, connect
Earth mat, the decoupling blocking device is connected with valve body, grounded screen respectively.
2. a kind of gas pipeline gas-oil valve grounding-for-lightning device according to claim 1, it is characterised in that：It is described to go
Coupling blocking device is solid decoupling device.
3. a kind of gas pipeline gas-oil valve grounding-for-lightning device according to claim 2, it is characterised in that：It is described solid
The DC-isolation voltage of state decoupling device is -2V/+2V, and rated lightning impulse discharge capacity is 100kA.
4. a kind of gas pipeline gas-oil valve grounding-for-lightning device according to claim 2, it is characterised in that：It is described solid
One binding post of state decoupling device is cable connection point with the tie point of the ground wire of grounded screen, and connected mode is cramp joint,
Two other binding post of the solid decoupling device is connected with the valve body and grounded screen of gas-oil valve respectively.
5. a kind of gas pipeline gas-oil valve grounding-for-lightning device according to claim 1, it is characterised in that：It is described to connect
The horizontal grounding device of earth mat is zinc-coated flat steel sheet, and the vertical grounding electrode of the grounded screen is Zinc-coated angle steel, the prison of the grounded screen
Control valve chamber earth resistance is less than 4 ohm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621113583.XU CN206310241U (en) | 2016-10-11 | 2016-10-11 | A kind of gas pipeline gas-oil valve grounding-for-lightning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621113583.XU CN206310241U (en) | 2016-10-11 | 2016-10-11 | A kind of gas pipeline gas-oil valve grounding-for-lightning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206310241U true CN206310241U (en) | 2017-07-07 |
Family
ID=59243268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621113583.XU Expired - Fee Related CN206310241U (en) | 2016-10-11 | 2016-10-11 | A kind of gas pipeline gas-oil valve grounding-for-lightning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206310241U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107219435A (en) * | 2017-07-14 | 2017-09-29 | 青岛哈工程船舶科技有限公司 | Oil pipeline electrostatic grounding state monitoring apparatus |
| CN114150320A (en) * | 2021-12-03 | 2022-03-08 | 深圳承远航空油料有限公司 | Grounding method and system for cathode protection coupler of electric instrument of apron valve well |
-
2016
- 2016-10-11 CN CN201621113583.XU patent/CN206310241U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107219435A (en) * | 2017-07-14 | 2017-09-29 | 青岛哈工程船舶科技有限公司 | Oil pipeline electrostatic grounding state monitoring apparatus |
| CN107219435B (en) * | 2017-07-14 | 2023-07-14 | 青岛哈工程船舶科技有限公司 | Oil pipeline static grounding state monitoring device |
| CN114150320A (en) * | 2021-12-03 | 2022-03-08 | 深圳承远航空油料有限公司 | Grounding method and system for cathode protection coupler of electric instrument of apron valve well |
| CN114150320B (en) * | 2021-12-03 | 2024-04-16 | 深圳承远航空油料有限公司 | Grounding method and system for female protection coupler of electric instrument of apron valve well |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206310241U (en) | A kind of gas pipeline gas-oil valve grounding-for-lightning device | |
| CN201946767U (en) | Current drainage grounding device | |
| CN204497393U (en) | A kind of conduction anti-corrosion type earthing device | |
| CN207435552U (en) | The combined system of direct current grounding pole and buried metal pipeline | |
| CN201226416Y (en) | Special grounding network for restraining DC magnetic bias phenomena transformer neutral point | |
| CN105162100A (en) | Novel alternating-current electric drainage | |
| CN204905828U (en) | Overhead transmission line lightning protection device | |
| CN203553867U (en) | Simple tower lightning arrester | |
| CN210041325U (en) | Device for balancing current to ground of power grid | |
| CN203932932U (en) | A kind of transmission tower of resistance to thunder | |
| CN204258442U (en) | A kind of transformer neutral point DC current monitoring system | |
| CN203910988U (en) | Cage type structure anticorrosion resistance reducing grounding pole suitable for small grounding net | |
| CN208835559U (en) | A kind of transformer device structure of box-type substation | |
| CN205303961U (en) | Distribution transformer earthing device | |
| CN206412495U (en) | Efficient diffusing earthing or grounding means | |
| CN206516779U (en) | A kind of lightning protection device of intelligent electrical system communication lines | |
| CN207753177U (en) | Gas pressure regulating cabinet electrostatic grounding structure | |
| CN206098764U (en) | Grounding grid and mounting structure thereof | |
| CN205211967U (en) | Join in marriage electric network line maintenance and use ground connection discharge device | |
| CN204964664U (en) | Alternating current ground protection indicating circuit | |
| CN202550510U (en) | Small-resistance transformer neutral-point earthing system | |
| CN204407525U (en) | Carbon fiber lightning protection pole | |
| CN208078199U (en) | A kind of pipeline equipotential link structure | |
| CN203562771U (en) | Inductive thunder prevention device used for long distance pipeline valve chamber equipment | |
| CN209104385U (en) | A kind of transformer grounding composite structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170707 Termination date: 20191011 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |