CN204324066U - A kind of outer floating roof petroleum storage tank first and second seal cavity electrostatic prevention inflates soft capsule safety device - Google Patents
A kind of outer floating roof petroleum storage tank first and second seal cavity electrostatic prevention inflates soft capsule safety device Download PDFInfo
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- CN204324066U CN204324066U CN201420717807.2U CN201420717807U CN204324066U CN 204324066 U CN204324066 U CN 204324066U CN 201420717807 U CN201420717807 U CN 201420717807U CN 204324066 U CN204324066 U CN 204324066U
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Abstract
The utility model discloses a kind of outer floating roof petroleum storage tank first and second seal cavity electrostatic prevention and inflate soft capsule safety device, the electrical resistivity comprised in first and second seal cavity being arranged on outer floating roof petroleum storage tank is less than 10
6soft capsule inflated by the conductivity type of Ω cm, and described conductivity type inflates soft capsule and fills/and exhaust joint is connected.The utility model is full of whole one by making conductivity type inflate soft capsule after inflation, secondary seal space, make one of outer floating roof petroleum storage tank, the space of oil gas is not almost had in secondary seal space, inflate all metal coverings in soft capsule and seal cavity due to conductivity type closely to amplexiform simultaneously, all metallic objects in seal cavity are made to define good conductive path, by tank skin earthing pole by petroleum storage tank one, the static charge that generation is gathered in secondary seal space imports the earth, eliminating electrostatic discharge causes oil gas to fire danger on fire, thus achieve external floating roof petroleum storage tank one, the anti-of secondary seal space fires safety guard-safeguard.
Description
Technical field
The utility model belongs to technical field of fire safety, particularly explosion-proof, the antistatic safety device of outer floating roof petroleum storage tank first and second seal cavity of one.
Background technology
Crude oil is as inflammable and explosive dangerous goods, and the oil storage method of scale must bring huge challenge to safety in production.World wide inner storage tank fire accident occurs a lot of, is that the oil-gas space of outer floating roof petroleum storage tank first and second seal cavity causes due to thunderbolt or the effect of electrostatic mostly.
Outer floating roof petroleum storage tank first and second seal cavity this be the General Construction of now both at home and abroad outer floating roof petroleum storage tank, also be the present situation can not avoided and change in design, and the many factors such as the volatilization of oil are accelerated in the stirring in the gasification of the fluid that the reasons such as such as day and night temperature are formed, charge of oil or emptying, make outer floating roof petroleum storage tank first and second seal cavity certainly exist alkanes oil gas, their electrical resistivity is all greater than 10
13Ω cm, be easy to produce and gather electrostatic at spatial peripheral, when outer floating roof petroleum storage tank floating plate once sealing baffle plate 5, form gap between secondary seal baffle plate 2 and outer floating roof petroleum storage tank tank skin 1 time, once there is fault in the electrostatic current guide device of storage tank, the electrostatic charge that storage tank floating plate once sealing baffle plate 5 and secondary seal baffle plate 2 gather cannot earial drainage release, thus make outer floating roof petroleum storage tank first and second seal cavity there is the potential safety hazard that electrostatic discharge causes oil gas detonation.
Utility model content
Goal of the invention of the present utility model is: for above-mentioned Problems existing, provides that a kind of safe and reliable and economic and practical outer floating roof petroleum storage tank first and second seal cavity is prevented firing, the safety device of electrostatic prevention.
The technical solution of the utility model is achieved in that a kind of outer floating roof petroleum storage tank first and second seal cavity electrostatic prevention inflates soft capsule safety device, it is characterized in that: soft capsule inflated by the conductivity type comprised in first and second seal cavity being arranged on outer floating roof petroleum storage tank, and the electrical resistivity that soft capsule inflated by described conductivity type is less than 10
6Ω cm, described conductivity type inflates soft capsule and fills/and exhaust joint is connected, when inflating the inflation of soft capsule inner chamber to described conductivity type, gas makes conductivity type inflate the expansion of soft capsule, conductivity type after expansion is inflated in soft capsule and first and second seal cavity the outer floating roof petroleum storage tank tank skin, secondary seal baffle plate and the once sealing baffle plate that are metal covering and is closely amplexiformed, and makes all metallic objects in first and second seal cavity form good conductive path and by outer floating roof petroleum storage tank tank skin ground connection.
Outer floating roof petroleum storage tank first and second seal cavity electrostatic prevention described in the utility model inflates soft capsule safety device, and conductivity type described in it is inflated soft capsule and adopted the conductivity type elastomeric material of electrostatic prevention rank to make.
Outer floating roof petroleum storage tank first and second seal cavity electrostatic prevention described in the utility model inflates soft capsule safety device, the mating shapes in the shape of soft capsule and outer floating roof petroleum storage tank first and second seal cavity inflated by conductivity type after expanding described in it, whole outer floating roof petroleum storage tank first and second seal cavity is filled up, makes the oil gas in first and second seal cavity be squeezed.
Outer floating roof petroleum storage tank first and second seal cavity electrostatic prevention described in the utility model inflates soft capsule safety device, fill described in it/exhaust joint one end with embed the built-in fitting that conductivity type inflates soft capsule and be connected, the other end is passed by the secondary seal baffle plate of storage tank, and described conductivity type is inflated the filling of soft capsule/exhaust joint and adopted quick joint form.
Outer floating roof petroleum storage tank first and second seal cavity electrostatic prevention described in the utility model inflates soft capsule safety device, soft capsule inflated by conductivity type described in it can be divided into separate some sections, the conductivity type of each section inflate soft capsule be respectively arranged with it corresponding connect fill/exhaust joint, the conductivity type of each section described is inflated soft capsule after inflation, is jointly filled up whole outer floating roof petroleum storage tank first and second seal cavity, makes all metallic objects in seal cavity form good conductive path and by outer floating roof petroleum storage tank tank skin ground connection.
Outer floating roof petroleum storage tank one described in the utility model, secondary seal space electrostatic prevention inflates soft capsule safety device, fill described in it/exhaust joint comprises a left side, right connector body, a described left side, right connector body is linked together by quick-connect machanism, it is characterized in that: described quick-connect machanism comprises cutting ferrule and steel ball, described cutting ferrule is socketed on left fittings body, retracing spring is provided with between described cutting ferrule and left fittings body, described cutting ferrule can move along its axis relative to left fittings body, described steel ball is arranged in mounting hole that left fittings body is offered, described steel ball can move up and down and not deviate from mounting hole, described cutting ferrule is provided with the lug boss corresponding with steel ball, described right connector body is provided with the groove corresponding with steel ball, on a described left side, when right connector body connects, the lug boss of described cutting ferrule is pressed on the upper end of steel ball, the bottom of described steel ball is placed in the groove on right connector body.
Outer floating roof petroleum storage tank first and second seal cavity electrostatic prevention described in the utility model inflates soft capsule safety device, it is provided with spacing jump ring on described left fittings body, when described left and right fittings body connects, described in be fastened in the effect of retracing spring under be resisted against spacing jump ring place.
Outer floating roof petroleum storage tank first and second seal cavity electrostatic prevention described in the utility model inflates soft capsule safety device, it is provided with check valve in described left fittings body, when described left and right fittings body connects, described right connector body to insert in the inner chamber of left fittings body and is pushed open by check valve, make described left and right fittings body inner chamber through, when described left and right fittings body is separated, the opening part of left fittings body is blocked by described check valve.
Outer floating roof petroleum storage tank first and second seal cavity electrostatic prevention described in the utility model inflates soft capsule safety device, and described in it, left and right fittings body is connected with ground connection flex lead, and described ground connection flex lead is connected with tank ground device.
Outer floating roof petroleum storage tank first and second seal cavity electrostatic prevention described in the utility model inflates soft capsule safety device, its junction connected at described left and right fittings body is provided with seal ring, described left fittings body and conductivity type are inflated soft capsule and are communicated with, and described right connector body is communicated with outside gas supply line.
The utility model passes through floating roof petroleum storage tank one outside, anti-quiet conductivity type electricity inflation soft capsule is set in secondary seal space, make conductivity type inflate soft capsule after inflation, be filled with whole one, secondary seal space, make one of outer floating roof petroleum storage tank, the space of oil gas is not almost had in secondary seal space, inflate all metal coverings in soft capsule and seal cavity due to conductivity type closely to amplexiform simultaneously, all metallic objects in seal cavity are made to define good conductive path, by tank skin earthing pole by petroleum storage tank one, the static charge that generation is gathered in secondary seal space imports the earth, eliminating electrostatic discharge causes oil gas to fire danger on fire.The utility model adopts the high conductivity type of safety to inflate soft capsule, and sealing effectiveness retentivity is good, easy for installation, and structure is simple, be suitable at engineer applied.
Accompanying drawing explanation
The outer floating roof petroleum storage tank first and second seal cavity electrostatic prevention that Fig. 1 is the once sealing for outer floating roof petroleum storage tank of the present utility model when being soft seal inflate soft capsule safety device in working order time structural representation.
The outer floating roof petroleum storage tank first and second seal cavity electrostatic prevention that Fig. 2 is the once sealing for outer floating roof petroleum storage tank of the present utility model when being mechanical sealing member inflate soft capsule safety device in working order time structural representation.
Fig. 3 adopts multistage conductivity type to inflate soft capsule structural representation after inflation in the utility model.
Fig. 4 and Fig. 5 is that in the utility model, the structural representation of soft capsule when unaerated state inflated by conductivity type.
Fig. 6 fills the/structural representation of exhaust joint in the utility model.
Mark in figure: 1 for outer floating roof petroleum storage tank tank skin, and 2 is secondary seal baffle plate, 3 inflate soft capsule for conductivity type, 4 for filling/exhaust joint, and 5 is once sealing baffle plate, and 6 is left fittings body, 7 is right connector body, and 8 is cutting ferrule, and 9 is steel ball, 10 is retracing spring, and 11 is mounting hole, and 12 is lug boss, 13 is groove, and 14 is spacing jump ring, and 15 is check valve, 16 is seal ring, and 17 is ground connection flex lead, and 18 is bolt of rear end plate.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model technology is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment 1: as shown in Figure 1, a kind of outer floating roof petroleum storage tank first and second seal cavity electrostatic prevention inflates soft capsule safety device, soft capsule 3 inflated by the conductivity type comprised in first and second seal cavity being arranged on outer floating roof petroleum storage tank, described conductivity type is inflated soft capsule 3 and is adopted the conductivity type elastomeric material of electrostatic prevention rank to make, and its electrical resistivity is less than 10
6Ω cm, described conductivity type inflates soft capsule 3 and fills/and exhaust joint 4 is connected, describedly to fill/exhaust joint 4 one end is connected with the built-in fitting embedding conductivity type and inflate soft capsule 3, its other end is passed by the secondary seal baffle plate 2 of storage tank, described conductivity type is inflated the filling of soft capsule 3/exhaust joint 4 and is adopted quick joint form, wherein, the once sealing of described outer floating roof petroleum storage tank is soft seal.
When inflating the inflation of soft capsule 3 inner chamber to described conductivity type, gas makes conductivity type inflate soft capsule 3 to expand, until soft capsule 3 inflated by the conductivity type after expanding fill up whole outer floating roof petroleum storage tank one, secondary seal space, make one, the space of oil gas is not almost had in secondary seal space, conductivity type after described expansion inflates the shape of soft capsule 3 and outer floating roof petroleum storage tank one, mating shapes in secondary seal space, conductivity type after described expansion inflates soft capsule 3 and one, the outer floating roof petroleum storage tank tank skin 1 of metal covering is in secondary seal space, secondary seal baffle plate 2 and once sealing baffle plate 5 closely amplexiform, make one, in secondary seal space, all metallic objects form good conductive path and by outer floating roof petroleum storage tank tank skin 1 ground connection, thus by petroleum storage tank one, the static charge that generation is gathered in secondary seal space imports the earth, eliminating electrostatic discharge causes oil gas to fire danger on fire.
As shown in Figure 3, according to the diameter of outer floating roof petroleum storage tank, soft capsule 3 inflated by described conductivity type can be divided into separate some sections, the conductivity type of each section inflate soft capsule be respectively arranged with it corresponding connect fill/exhaust joint 4, the conductivity type of each section described is inflated soft capsule after inflation, is jointly filled up whole outer floating roof petroleum storage tank first and second seal cavity, makes all metallic objects in seal cavity form good conductive path and by outer floating roof petroleum storage tank tank skin 1 ground connection.
As shown in Figure 6, describedly to fill/exhaust joint 4 comprises left fittings body 6 and right connector body 7, described left fittings body 6 and conductivity type are inflated soft capsule 3 and are communicated with, described right connector body 7 is communicated with outside gas supply line, described left and right fittings body is linked together by quick-connect machanism, and the junction connected at described left and right fittings body is provided with seal ring 16.
Wherein, described quick-connect machanism comprises cutting ferrule 8 and steel ball 9, described cutting ferrule 8 is socketed on left fittings body 6, retracing spring 10 is provided with between described cutting ferrule 8 and left fittings body 6, described cutting ferrule 8 can move along its axis relative to left fittings body 6, described steel ball 9 is arranged in mounting hole 11 that left fittings body 6 is offered, described steel ball 9 can move up and down and not deviate from mounting hole 11, described cutting ferrule 8 is provided with the lug boss 12 corresponding with steel ball 9, described right connector body 7 is provided with the groove 13 corresponding with steel ball 9, described left fittings body 6 is provided with spacing jump ring 14, check valve 15 is provided with in described left fittings body 6.
When described left and right fittings body connects, push cutting ferrule 8 open, described right connector body 7 to insert in the inner chamber of left fittings body 6 and is pushed open by check valve 15, make described left and right fittings body inner chamber through, and then unclamp cutting ferrule 8, cutting ferrule 8 automatically resets under the effect of retracing spring 10, until cutting ferrule 8 is resisted against spacing jump ring 14 place, now, the lug boss 12 of described cutting ferrule 8 is pressed on the upper end of steel ball 9, the bottom of described steel ball 9 is placed in the groove 13 on right connector body 7, thus carries out lock-bit to right connector body 7, realizes the quick connection of left and right fittings body; When described left and right fittings body is separated, again push cutting ferrule 8 open, the lug boss 12 of cutting ferrule 8 is no longer produced steel ball 9 top and compresses, described right connector body 7 can freely take out, now, the opening part of left fittings body 6 is blocked self-sealing by described check valve 15, prevents from inflating gas leak in soft capsule.
Wherein, described left and right fittings body is connected with ground connection flex lead 17; described ground connection flex lead 17 is connected on left and right fittings body by bolt of rear end plate 18; described ground connection flex lead 17 is connected with tank ground device; like this; static charge petroleum storage tank first and second seal cavity can being gathered generation imports the earth further fast, eliminates electrostatic discharge and causes oil gas to fire danger on fire, thus achieves external the anti-of floating roof petroleum storage tank first and second seal cavity and fire safety guard-safeguard.
Wherein, on described left and right fittings body, the corresponding structure arranged all can be exchanged, and connects fast as long as realize left and right fittings body by this structure.
Embodiment 2: the once sealing of described outer floating roof petroleum storage tank is mechanical sealing member, other are substantially identical with the structure of embodiment 1.
As shown in Figures 4 and 5, in embodiment 1 and embodiment 2, outer floating roof petroleum storage tank first and second seal cavity electrostatic prevention inflates schematic diagram when soft capsule safety device is in off working state, and namely the structural representation of soft capsule when unaerated state inflated by conductivity type.
The foregoing is only exemplifying embodiment of the present utility model, not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. an outer floating roof petroleum storage tank first and second seal cavity electrostatic prevention inflates soft capsule safety device, it is characterized in that: soft capsule (3) inflated by the conductivity type comprised in first and second seal cavity being arranged on outer floating roof petroleum storage tank, and the electrical resistivity that soft capsule (3) inflated by described conductivity type is less than 10
6Ω cm, described conductivity type is inflated soft capsule (3) and is filled/exhaust joint (4) and be connected, when inflating the inflation of soft capsule (3) inner chamber to described conductivity type, gas makes conductivity type inflate soft capsule (3) expansion, conductivity type after expansion is inflated the outer floating roof petroleum storage tank tank skin (1), secondary seal baffle plate (2) and the once sealing baffle plate (5) that are metal covering in soft capsule (3) and first and second seal cavity and is closely amplexiformed, and makes all metallic objects in first and second seal cavity form good conductive path and by outer floating roof petroleum storage tank tank skin (1) ground connection.
2. outer floating roof petroleum storage tank first and second seal cavity electrostatic prevention according to claim 1 inflates soft capsule safety device, it is characterized in that: described conductivity type is inflated soft capsule (3) and adopted the conductivity type elastomeric material of electrostatic prevention rank to make.
3. outer floating roof petroleum storage tank first and second seal cavity electrostatic prevention according to claim 1 inflates soft capsule safety device, it is characterized in that: the mating shapes in the shape of soft capsule (3) and outer floating roof petroleum storage tank first and second seal cavity inflated by the conductivity type after described expansion, whole outer floating roof petroleum storage tank first and second seal cavity is filled up, makes the oil gas in first and second seal cavity be squeezed.
4. outer floating roof petroleum storage tank first and second seal cavity electrostatic prevention according to claim 1 inflates soft capsule safety device, it is characterized in that: described in fill/exhaust joint (4) one end and embed the built-in fitting that conductivity type inflates soft capsule (3) and be connected, the other end is passed by the secondary seal baffle plate (2) of storage tank, and/the exhaust joint (4) that fills that soft capsule (3) inflated by described conductivity type adopts quick joint form.
5. outer floating roof petroleum storage tank one according to claim 1, secondary seal space electrostatic prevention inflates soft capsule safety device, it is characterized in that: soft capsule (3) inflated by described conductivity type can be divided into separate some sections, the conductivity type of each section inflate soft capsule be respectively arranged with it corresponding connect fill/exhaust joint (4), the conductivity type of each section described is inflated soft capsule after inflation, is jointly filled up whole outer floating roof petroleum storage tank one, secondary seal space, all metallic objects in seal cavity are made to form good conductive path and by outer floating roof petroleum storage tank tank skin (1) ground connection.
6. outer floating roof petroleum storage tank one as claimed in any of claims 1 to 5, secondary seal space electrostatic prevention inflates soft capsule safety device, it is characterized in that: described in fill/exhaust joint (4) and comprise a left side, right connector body (6, 7), a described left side, right connector body (6, 7) linked together by quick-connect machanism, described quick-connect machanism comprises cutting ferrule (8) and steel ball (9), described cutting ferrule (8) is socketed on left fittings body (6), retracing spring (10) is provided with between described cutting ferrule (8) and left fittings body (6), described cutting ferrule (8) can move along its axis relative to left fittings body (6), described steel ball (9) is arranged in mounting hole (11) that left fittings body (6) is offered, described steel ball (9) can move up and down and not deviate from mounting hole (11), described cutting ferrule (8) is provided with the lug boss (12) corresponding with steel ball (9), described right connector body (7) is provided with the groove (13) corresponding with steel ball (9), on a described left side, right connector body (6, 7) when connecting, the lug boss (12) of described cutting ferrule (8) is pressed on the upper end of steel ball (9), the bottom of described steel ball (9) is placed in the groove (13) on right connector body (7).
7. outer floating roof petroleum storage tank first and second seal cavity electrostatic prevention according to claim 6 inflates soft capsule safety device, it is characterized in that: on described left fittings body (6), be provided with spacing jump ring (14), when described left and right fittings body (6,7) connects, described cutting ferrule (8) is resisted against spacing jump ring (14) place under the effect of retracing spring (10).
8. outer floating roof petroleum storage tank first and second seal cavity electrostatic prevention according to claim 6 inflates soft capsule safety device, it is characterized in that: in described left fittings body (6), be provided with check valve (15), when described left and right fittings body (6,7) connects, described right connector body (7) to be inserted in the inner chamber of left fittings body (6) and is pushed open by check valve (15), make described left and right fittings body (6,7) inner chamber through, when described left and right fittings body (6,7) is separated, the opening part of left fittings body (6) is blocked by described check valve (15).
9. outer floating roof petroleum storage tank first and second seal cavity electrostatic prevention according to claim 6 inflates soft capsule safety device, it is characterized in that: described left and right fittings body (6,7) is connected with ground connection flex lead (17), described ground connection flex lead (17) is connected with tank ground device.
10. outer floating roof petroleum storage tank first and second seal cavity electrostatic prevention according to claim 6 inflates soft capsule safety device, it is characterized in that: the junction connected at described left and right fittings body (6,7) is provided with seal ring (16), described left fittings body (6) and conductivity type are inflated soft capsule (3) and are communicated with, and described right connector body (7) is communicated with outside gas supply line.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420717807.2U CN204324066U (en) | 2014-11-26 | 2014-11-26 | A kind of outer floating roof petroleum storage tank first and second seal cavity electrostatic prevention inflates soft capsule safety device |
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| CN201420717807.2U CN204324066U (en) | 2014-11-26 | 2014-11-26 | A kind of outer floating roof petroleum storage tank first and second seal cavity electrostatic prevention inflates soft capsule safety device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104443867A (en) * | 2014-11-26 | 2015-03-25 | 四川宏源德石化有限公司 | Anti-static inflatable flexible bag safety device of primary and secondary sealing space of external floating roof oil storage tank |
| CN104875986A (en) * | 2015-05-22 | 2015-09-02 | 中国石油化工股份有限公司 | Device for guiding out static electricity of floating-roof oil tank through soft seal |
| CN113800107A (en) * | 2021-07-09 | 2021-12-17 | 淮安市元和包装材料有限公司 | Packaging bag and method for preventing powder agglomeration |
-
2014
- 2014-11-26 CN CN201420717807.2U patent/CN204324066U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104443867A (en) * | 2014-11-26 | 2015-03-25 | 四川宏源德石化有限公司 | Anti-static inflatable flexible bag safety device of primary and secondary sealing space of external floating roof oil storage tank |
| CN104875986A (en) * | 2015-05-22 | 2015-09-02 | 中国石油化工股份有限公司 | Device for guiding out static electricity of floating-roof oil tank through soft seal |
| CN113800107A (en) * | 2021-07-09 | 2021-12-17 | 淮安市元和包装材料有限公司 | Packaging bag and method for preventing powder agglomeration |
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