CN204197699U - Sealing arrangement between a kind of external floating top tank floating plate and tank skin - Google Patents
Sealing arrangement between a kind of external floating top tank floating plate and tank skin Download PDFInfo
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- CN204197699U CN204197699U CN201420615638.1U CN201420615638U CN204197699U CN 204197699 U CN204197699 U CN 204197699U CN 201420615638 U CN201420615638 U CN 201420615638U CN 204197699 U CN204197699 U CN 204197699U
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Abstract
The utility model discloses sealing arrangement between a kind of external floating top tank floating plate and tank skin, comprise floating plate boundary plank and tank skin, once sealing parts and secondary seal parts are set between floating plate boundary plank and tank skin, at once sealing parts, floating plate boundary plank, between secondary seal parts and tank skin, form oil-gas space; Secondary seal parts comprise secondary seal rubber sheet gasket, secondary seal pressing plate and secondary seal barrier film, and secondary seal barrier film is arranged on secondary seal pressing plate inner surface; Be provided with filling device in oil-gas space inside, filling device comprises flexible wear band and band weighting material; Flexible wear band trails along floating plate boundary plank, once sealing member upper surface and tank skin successively, the cavity without oil gas is formed between flexible wear band and secondary seal barrier film, it is inner that band weighting material is positioned at flexible wear band, be beneficial to the oil-gas space between minimizing first and second sealing, reduce oil-gas space interior oil Gas content, reduce the harm of seal ring blast accident to greatest extent.
Description
Technical field
The utility model relates to sealing arrangement between a kind of external floating top tank floating plate and tank skin.
Background technology
During external floating roof tank design and construction, for ensureing that floating plate can move up and down neatly, the interval of certain distance can be kept between floating plate and tank skin, form the annular space of exposed pasta.For pasta exposed in isolated annular space and air contact, prevent oil gas volatilization, between floating plate and tank skin, sealing arrangement is set.
At present, the sealing arrangement of domestic and international floating roof tank generally adopts the form of twice sealing.Once sealing is used for the direct capping of pasta, is topmost Sealing Device.Conventional once sealing mainly contains material filling type elastic soft sealing, liquid-filled soft seal and mechanical sealing three kinds of forms.In order to ensure better sealing effectiveness, outside once sealing, secondary seal being set, forming the protection to once sealing, and reducing oil and gas loss further.
But, in storage tank real-world operation, due to tank body sedimentation, distortion, or once sealing itself is aging, damage, and tank skin remains the reasons such as the lasting volatilization of oil product, and often producing oil gas in the space between storage tank first and second seals gathers, moiety concentrations even exceedes oil gas explosion lower limit, now, run into the ignition sources such as thunder and lightning, electrostatic, naked light, seal ring blast accident will be caused.Because being struck by lightning, the seal ring blast accident caused at home and abroad happens occasionally, and the safe operation of external floating roof tank in serious threat.
For preventing the generation of seal ring blast accident, the generation of ignition source to be stopped on the one hand, particularly preventing thunderbolt sparking; Be the sealing effectiveness of enhanced leaktightness circle on the other hand, ensure that gas concentration is lower than Lower Explosive Limit.But due to reasons such as technology, engineering and construction qualities, the measure of these two aspects all cannot be accomplished to solve completely, and therefore, the seal ring of external floating top tank fires hidden danger outwardness always, cannot thoroughly eradicate.For this reason, other approach can only be found, reduce the harm of seal ring blast accident.
Utility model content
For the above-mentioned technical matters existed in prior art, the utility model proposes sealing arrangement between a kind of external floating top tank floating plate and tank skin, the object of hydrocarbon content between reduction by first and second sealing is reached by reducing oil-gas space between first and second sealing, thus reduce the harm of seal ring blast accident to greatest extent, ensure that the safety of external floating top tank one secondary seal is controlled.
To achieve these goals, the utility model adopts following technical scheme:
Sealing arrangement between a kind of external floating top tank floating plate and tank skin, comprise floating plate boundary plank and tank skin, once sealing parts and secondary seal parts are set between floating plate boundary plank and tank skin, wherein, secondary seal parts are positioned at above once sealing parts, at once sealing parts, floating plate boundary plank, form oil-gas space between secondary seal parts and tank skin, secondary seal parts comprise secondary seal rubber sheet gasket, secondary seal pressing plate and secondary seal barrier film, secondary seal rubber sheet gasket is L-shaped, and has a connecting end surface and contact end face with one, one end of secondary seal pressing plate is connected on floating plate boundary plank, the other end of secondary seal pressing plate is connected on the connecting end surface of secondary seal rubber sheet gasket, the contact end face of secondary seal rubber sheet gasket and the inner surface of tank skin are fitted, secondary seal barrier film is positioned at the inner surface place of secondary seal pressing plate, one end of secondary seal barrier film is connected on floating plate boundary plank, and the other end of secondary seal barrier film is connected on the connecting end surface of secondary seal rubber sheet gasket, described oil-gas space inside is provided with filling device, filling device comprises flexible wear band and band weighting material, one end of flexible wear band is connected on floating plate boundary plank, the other end of flexible wear band is connected on the connecting end surface of secondary seal rubber sheet gasket, and the trend of flexible wear band in oil-gas space inside is: with the junction with floating plate boundary plank for starting point, with the junction of the connecting end surface with secondary seal rubber sheet gasket for terminal, first flexible wear band is stretched the upper surface arriving once sealing parts downwards along the outer surface of floating plate boundary plank by starting point, then the upper surface horizontal stretching along once sealing parts arrives tank skin place, inner surface again along tank skin stretches upwards the connecting end surface place arriving secondary seal rubber sheet gasket, finally to reach home place along the connecting end surface horizontal stretching of secondary seal rubber sheet gasket, it is inner that band weighting material is positioned at the confined space formed by secondary seal barrier film and flexible wear band.
Further, the junction of above-mentioned flexible wear band and floating plate boundary plank is provided with once sealing pressing plate press strip; Once sealing pressing plate press strip is L-shaped, and has a connecting end surface and contact end face with one; The connecting end surface of once sealing pressing plate press strip is connected with floating plate boundary plank, and the part belt body of flexible wear band is between the connecting end surface and floating plate boundary plank of once sealing pressing plate press strip; The contact end face of once sealing pressing plate press strip is positioned at above the upper surface of once sealing parts, and the part belt body of flexible wear band is between the contact end face and the upper surface of once sealing parts of once sealing pressing plate press strip.
Further, metal bead is provided with between the connecting end surface of above-mentioned once sealing pressing plate press strip and floating plate curtain plate, metal bead is connected with the connecting end surface of once sealing pressing plate press strip and floating plate curtain plate respectively, and the part belt body of flexible wear band is between the connecting end surface and metal bead of once sealing pressing plate press strip.
Further, above-mentioned once sealing parts adopt material filling type elastic soft sealing, and comprise once sealing band and once sealing weighting material, once sealing weighting material is positioned at the inside of once sealing band; The two ends laminating of once sealing band and between the connecting end surface and floating plate boundary plank of once sealing pressing plate press strip, and be connected with the connecting end surface of once sealing pressing plate press strip and floating plate boundary plank respectively.
Further, the junction of the connecting end surface of above-mentioned flexible wear band and secondary seal rubber sheet gasket is provided with insulating press boards; Insulating press boards is L-shaped, and has a connecting end surface and contact end face with one; The connecting end surface of insulating press boards is connected with the connecting end surface of secondary seal rubber sheet gasket, and the part belt body of flexible wear band is between the connecting end surface and the connecting end surface of secondary seal rubber sheet gasket of insulating press boards; The contact end face of insulating press boards and the inner surface of tank skin are fitted, and the part belt body of flexible wear band is between the contact end face and the inner surface of tank skin of insulating press boards.
Further, above-mentioned flexible wear band is the flexible wear film adopting rubber or plastics to make.
The utility model tool has the following advantages:
Sealing arrangement between the external floating top tank floating plate that the utility model is addressed and tank skin, once sealing parts and secondary seal parts are set between floating plate boundary plank and tank skin, at once sealing parts, floating plate boundary plank, between secondary seal parts and tank skin, form oil-gas space, secondary seal parts comprise secondary seal rubber sheet gasket, secondary seal pressing plate and secondary seal barrier film, secondary seal rubber sheet gasket is L-shaped, and has a connecting end surface and contact end face with one, one end of secondary seal pressing plate is connected on floating plate boundary plank, the other end of secondary seal pressing plate is connected on the connecting end surface of secondary seal rubber sheet gasket, the contact end face of secondary seal rubber sheet gasket and the inner surface of tank skin are fitted, secondary seal barrier film is positioned at the inner surface place of secondary seal pressing plate, one end of secondary seal barrier film is connected on floating plate boundary plank, and the other end of secondary seal barrier film is connected on the connecting end surface of secondary seal rubber sheet gasket, in oil-gas space inside, filling device is set, filling device comprises flexible wear band and band weighting material, one end of flexible wear band is connected on floating plate boundary plank, the other end of flexible wear band is connected on the connecting end surface of secondary seal rubber sheet gasket, and the trend of flexible wear band in oil-gas space inside is: with the junction with floating plate boundary plank for starting point, with the junction of the connecting end surface with secondary seal rubber sheet gasket for terminal, first flexible wear band is stretched the upper surface arriving once sealing parts downwards along the outer surface of floating plate boundary plank by starting point, then the upper surface horizontal stretching along once sealing parts arrives tank skin place, inner surface again along tank skin stretches upwards the connecting end surface place arriving secondary seal rubber sheet gasket, finally to reach home place along the connecting end surface of secondary seal rubber sheet gasket, it is inner that band weighting material is positioned at the confined space formed by secondary seal barrier film and flexible wear band, and the diameter of section of band weighting material is identical to the distance of floating plate curtain plate with tank skin.The utility model is by arranging filling device to reduce the oil-gas space between first and second sealing in oil-gas space inside, between flexible wear band and secondary seal barrier film, form the cavity without oil gas simultaneously, the hydrocarbon content of oil-gas space inside is reduced greatly, thus reduce the harm of seal ring blast accident to greatest extent, ensure that the safety of external floating top tank one secondary seal is controlled.
Accompanying drawing explanation
Fig. 1 is the structural representation of sealing arrangement between the utility model China and foreign countries' floating top pot floating dish and tank skin;
Fig. 2 is the A portion enlarged drawing in Fig. 1;
Fig. 3 is the B portion enlarged drawing in Fig. 1;
Wherein, 1-floating plate boundary plank, 2-tank skin, 3-oil-gas space, 4-once sealing band, 5-once sealing weighting material, 6-once sealing pressing plate press strip, 7,11-bolt, 8-secondary seal rubber sheet gasket, 9-secondary seal pressing plate, 10-secondary seal barrier film, 12-flexible wear band, 13-band weighting material, 14-metal bead, 15-insulating press boards.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail:
Shown in composition graphs 1 to Fig. 3, sealing arrangement between a kind of external floating top tank floating plate and tank skin, comprises floating plate boundary plank 1 and tank skin 2.Once sealing parts and secondary seal parts are set between floating plate boundary plank 1 and tank skin 2.
Wherein, secondary seal parts are positioned at above once sealing parts.At once sealing parts, floating plate boundary plank 1, between secondary seal parts and tank skin 2, form oil-gas space 3.
Once sealing parts, can adopt material filling type elastic soft sealing.Once sealing parts, comprise once sealing band 4 and once sealing weighting material 5, once sealing weighting material 5 is positioned at the inside of once sealing band 4.Fitted and be connected on floating plate boundary plank 1 by once sealing pressing plate press strip 6 in the two ends of once sealing band 4.
Concrete, once sealing pressing plate press strip 6 is L-shaped, and has a connecting end surface and contact end face with one.
The connecting end surface of once sealing pressing plate press strip 6 can be connected with floating plate boundary plank 1 by bolt 7.Between the connecting end surface being placed on once sealing pressing plate press strip 6 after the two ends laminating of once sealing band 4 and floating plate boundary plank 1, and be connected with the connecting end surface of once sealing pressing plate press strip 6, floating plate boundary plank 1 respectively by bolt 7.
The contact end face of once sealing pressing plate press strip 6 is positioned at above the upper surface of once sealing band 4.
Secondary seal parts, comprise secondary seal rubber sheet gasket 8, secondary seal pressing plate 9 and secondary seal barrier film 10.
Secondary seal rubber sheet gasket 8 is L-shaped, and has a connecting end surface and contact end face with one.
One end of secondary seal pressing plate 9 is connected on floating plate boundary plank 1 by bolt 7, and the other end of secondary seal pressing plate 9 is connected on the connecting end surface of secondary seal rubber sheet gasket 8, and secondary seal pressing plate 9 is obliquely installed.
The contact end face of secondary seal rubber sheet gasket 8 and the inner surface of tank skin 2 are fitted.
Secondary seal barrier film 10 is positioned at the inner surface place of secondary seal pressing plate 9, and one end of secondary seal barrier film 10 is between secondary seal pressing plate 9 with floating plate boundary plank 1 and be connected with secondary seal pressing plate 9, floating plate boundary plank 1 respectively by bolt 7; The other end of secondary seal barrier film 10 is connected on the connecting end surface of secondary seal rubber sheet gasket 8 by bolt 11.
Oil-gas space 3 inside is provided with filling device, and this filling device comprises flexible wear band 12 and band weighting material 13.
One end of flexible wear band 12 is connected on floating plate boundary plank 1 by bolt 7.Concrete, the part belt body of flexible wear band 12 is between once sealing pressing plate press strip 6 and floating plate boundary plank 1.
The other end of flexible wear band 12 is connected on the connecting end surface of secondary seal rubber sheet gasket 8 by bolt 11.
Concrete, the part belt body of flexible wear band 12 is between the other end and the connecting end surface of secondary seal rubber sheet gasket 8 of secondary seal pressing plate 9.
Flexible wear band 12 in the trend of oil-gas space 3 inside is: with the junction with floating plate boundary plank 1 for starting point, with the junction of the connecting end surface with secondary seal rubber sheet gasket 8 for terminal;
First flexible wear band 12 is stretched the upper surface arriving once sealing band 4 downwards along the outer surface of floating plate boundary plank 1 by starting point, then the upper surface horizontal stretching along once sealing band 4 arrives tank skin 2 place, stretch upwards the connecting end surface place arriving secondary seal rubber sheet gasket 8 again along the inner surface of tank skin 2, finally to reach home place along the connecting end surface horizontal stretching of secondary seal rubber sheet gasket 8.
It is inner that band weighting material 13 is positioned at the confined space formed by secondary seal barrier film 10 and flexible wear band 12.
Concrete, flexible wear band 12 is the flexible wear films adopting rubber or plastics to make.
Band weighting material 13 can be elastic filling material, liquid or pendle.
Strutted in oil-gas space 3 inside by flexible wear band 12 by band weighting material 13, and push tank skin 2 to, when normal circular space, the bottom of flexible wear band 12 is close to tank skin 2 substantially, greatly reduces oil-gas space 3.
As a kind of advantageous embodiment of the present utility model, between the connecting end surface and floating plate curtain plate 1 of once sealing pressing plate press strip 6, be provided with metal bead 14.
Metal bead 14 is connected with the connecting end surface of once sealing pressing plate press strip 6 and floating plate curtain plate 1 respectively by bolt 7, and metal bead 14 is between the connecting end surface and floating plate curtain plate 1 of once sealing pressing plate press strip 6, the part bag of flexible wear band 12 is between the connecting end surface and metal bead 14 of once sealing pressing plate press strip 6.
Because the outer surface of floating plate curtain plate 1 is uneven, by increasing metal bead 14, and utilize bolt 7 can by the belt body compacting of the flexible wear band 12 between the connecting end surface and metal bead 14 of once sealing pressing plate press strip 6, be beneficial to the leakproofness improving cavity between flexible wear band 12 and secondary seal barrier film 10, prevent the phenomenons such as infiltration.
As another kind of advantageous embodiment of the present utility model, be provided with insulating press boards 15 at flexible wear band 12 and the junction of the connecting end surface of secondary seal rubber sheet gasket 8.Insulating press boards 15 is L-shaped, and has a connecting end surface and contact end face with one.
The connecting end surface of insulating press boards 15 is connected with the connecting end surface of secondary seal rubber sheet gasket 8 by bolt 11, and the part belt body of flexible wear band 12 is between the connecting end surface and the connecting end surface of secondary seal rubber sheet gasket 8 of insulating press boards 15; The contact end face of insulating press boards 15 and the inner surface of tank skin 2 are fitted, and the part belt body of flexible wear band 12 is between the contact end face and the inner surface of tank skin 2 of insulating press boards 15.
By above-mentioned insulating press boards 15, the top being convenient to flexible wear band 12 to try one's best herein, to tank skin 2, reduces the gap between flexible wear band 12 and tank skin 2, to reduce oil-gas space 3.
Table 1 shows when band weighting material 13 adopts sponge to fill, and when annular spacing is 250mm, floating plate uplink and downlink reduce oil-gas space 3 data sheet.Wherein, annular spacing, namely floating plate curtain plate 1 is to the distance of tank skin 2.
Table 1
From above-mentioned table 1, by above-mentioned filling device, can greatly reduce oil-gas space 3, the hydrocarbon content of oil-gas space 3 inside is reduced greatly, thus reduce the harm of seal ring blast accident to greatest extent, ensure that the safety of external floating top tank one secondary seal is controlled.
Sealing arrangement between above-mentioned external floating top tank floating plate and tank skin, adopts following installation step:
S1, one end of flexible wear band 12 to be connected on floating plate boundary plank 1, and to move towards square arrangement flexible wear band with flexible wear band 12 in oil-gas space inside, flexible wear band is evened up whole;
By once sealing pressing plate press strip 6, make flexible wear band 12 first stretch the upper surface place arriving once sealing band 4 downwards along the outer surface of floating plate boundary plank 1, the upper surface horizontal stretching then along once sealing band 4 arrives tank skin 2 place; By insulating press boards 15, flexible wear band 12 is made to stretch upwards along the inner surface of tank skin 2 the connecting end surface place arriving secondary seal rubber sheet gasket 8, finally along the connecting end surface horizontal stretching arrival flexible wear band 12 of secondary seal rubber sheet gasket 8 and the junction of the connecting end surface of secondary seal rubber sheet gasket 8;
S2, band weighting material 13 to be put into the concave regions be positioned at above flexible wear band 12 inner;
S3, one end of secondary seal pressing plate 9 and secondary seal barrier film 10 is connected on floating plate curtain plate 1, secondary seal pressing plate 9 and the other end of secondary seal barrier film 10 and the other end of flexible wear band 12 are connected on the connecting end surface of secondary seal rubber sheet gasket 8 simultaneously.
By above-mentioned steps, the correct installation of sealing arrangement between external floating top tank floating plate and tank skin can be ensured, ensure the leakproofness of cavity between flexible wear band 12 and secondary seal barrier film 10.Simultaneously, due to the effect of band weighting material 13 between flexible wear band 12 and secondary seal barrier film 10, greatly reduce the hydrocarbon content of oil-gas space 3 inside, thus reduce the harm of seal ring blast accident to greatest extent, ensure that the safety of external floating top tank one secondary seal is controlled.
Certainly; more than illustrate and be only preferred embodiment of the present utility model; the utility model is not limited to enumerate above-described embodiment; should be noted that; any those of ordinary skill in the art are under the instruction of this specification sheets; made all equivalently to substitute, obvious form of distortion, within the essential scope all dropping on this specification sheets, protection of the present utility model ought to be subject to.
Claims (6)
1. sealing arrangement between an external floating top tank floating plate and tank skin, comprise floating plate boundary plank and tank skin, once sealing parts and secondary seal parts are set between floating plate boundary plank and tank skin, wherein, secondary seal parts are positioned at above once sealing parts, at once sealing parts, floating plate boundary plank, form oil-gas space between secondary seal parts and tank skin, secondary seal parts comprise secondary seal rubber sheet gasket, secondary seal pressing plate and secondary seal barrier film, secondary seal rubber sheet gasket is L-shaped, and has a connecting end surface and contact end face with one, one end of secondary seal pressing plate is connected on floating plate boundary plank, the other end of secondary seal pressing plate is connected on the connecting end surface of secondary seal rubber sheet gasket, the contact end face of secondary seal rubber sheet gasket and the inner surface of tank skin are fitted, secondary seal barrier film is positioned at the inner surface place of secondary seal pressing plate, one end of secondary seal barrier film is connected on floating plate boundary plank, and the other end of secondary seal barrier film is connected on the connecting end surface of secondary seal rubber sheet gasket, described oil-gas space inside is provided with filling device, it is characterized in that, described filling device comprises flexible wear band and band weighting material, one end of flexible wear band is connected on floating plate boundary plank, the other end of flexible wear band is connected on the connecting end surface of secondary seal rubber sheet gasket, and the trend of flexible wear band in oil-gas space inside is: with the junction with floating plate boundary plank for starting point, with the junction of the connecting end surface with secondary seal rubber sheet gasket for terminal, first flexible wear band is stretched the upper surface arriving once sealing parts downwards along the outer surface of floating plate boundary plank by starting point, then the upper surface horizontal stretching along once sealing parts arrives tank skin place, inner surface again along tank skin stretches upwards the connecting end surface place arriving secondary seal rubber sheet gasket, finally to reach home place along the connecting end surface horizontal stretching of secondary seal rubber sheet gasket, it is inner that band weighting material is positioned at the confined space formed by secondary seal barrier film and flexible wear band.
2. sealing arrangement between a kind of external floating top tank floating plate according to claim 1 and tank skin, is characterized in that, the junction of described flexible wear band and floating plate boundary plank is provided with once sealing pressing plate press strip; Once sealing pressing plate press strip is L-shaped, and has a connecting end surface and contact end face with one; The connecting end surface of once sealing pressing plate press strip is connected with floating plate boundary plank, and the part belt body of flexible wear band is between the connecting end surface and floating plate boundary plank of once sealing pressing plate press strip; The contact end face of once sealing pressing plate press strip is positioned at above the upper surface of once sealing parts, and the part belt body of flexible wear band is between the contact end face and the upper surface of once sealing parts of once sealing pressing plate press strip.
3. sealing arrangement between a kind of external floating top tank floating plate according to claim 2 and tank skin, it is characterized in that, be provided with metal bead between the connecting end surface of described once sealing pressing plate press strip and floating plate curtain plate, metal bead is connected with the connecting end surface of once sealing pressing plate press strip and floating plate curtain plate respectively; The part belt body of flexible wear band is between the connecting end surface and metal bead of once sealing pressing plate press strip.
4. sealing arrangement between a kind of external floating top tank floating plate according to claim 2 and tank skin, it is characterized in that, described once sealing parts adopt material filling type elastic soft sealing, and comprise once sealing band and once sealing weighting material, once sealing weighting material is positioned at the inside of once sealing band; The two ends laminating of once sealing band and between the connecting end surface and floating plate boundary plank of once sealing pressing plate press strip, and be connected with the connecting end surface of once sealing pressing plate press strip and floating plate boundary plank respectively.
5. sealing arrangement between a kind of external floating top tank floating plate according to claim 1 and tank skin, it is characterized in that, the junction of the connecting end surface of described flexible wear band and secondary seal rubber sheet gasket is provided with insulating press boards; Insulating press boards is L-shaped, and has a connecting end surface and contact end face with one; The connecting end surface of insulating press boards is connected with the connecting end surface of secondary seal rubber sheet gasket, and the part belt body of flexible wear band is between the connecting end surface and the connecting end surface of secondary seal rubber sheet gasket of insulating press boards; The contact end face of insulating press boards and the inner surface of tank skin are fitted, and the part belt body of flexible wear band is between the contact end face and the inner surface of tank skin of insulating press boards.
6. sealing arrangement between a kind of external floating top tank floating plate according to claim 1 and tank skin, is characterized in that, described flexible wear band is the flexible wear film adopting rubber or plastics to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420615638.1U CN204197699U (en) | 2014-10-22 | 2014-10-22 | Sealing arrangement between a kind of external floating top tank floating plate and tank skin |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420615638.1U CN204197699U (en) | 2014-10-22 | 2014-10-22 | Sealing arrangement between a kind of external floating top tank floating plate and tank skin |
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| CN204197699U true CN204197699U (en) | 2015-03-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104355004A (en) * | 2014-10-22 | 2015-02-18 | 中国石油化工股份有限公司 | Sealing device between floating disc and tank wall of external floating roof tank and mounting method of sealing device |
| 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 |
| CN105480613A (en) * | 2016-01-08 | 2016-04-13 | 鞍山市宏兴石化设备厂 | Oil gas-free space sealing device for oil tank |
| CN108202934A (en) * | 2016-12-16 | 2018-06-26 | 中国石油化工股份有限公司 | The lidstock device of storage tank |
| CN109051376A (en) * | 2018-08-23 | 2018-12-21 | 西安长鹰工程技术有限公司 | A kind of flexible seal device for petroleum storage tank |
| CN111634563A (en) * | 2020-05-28 | 2020-09-08 | 江苏科强新材料股份有限公司 | Floating roof tank sealing structure based on tongue-shaped sealing belt and assembling process thereof |
| CN111746950A (en) * | 2020-07-28 | 2020-10-09 | 安庆特种橡塑股份有限公司 | High-efficiency oil-free air sealing device for floating roof storage tank |
| CN111792211A (en) * | 2019-11-18 | 2020-10-20 | 中国石油天然气集团有限公司 | Floating roof sealing device, floating roof and floating roof tank |
| CN114435767A (en) * | 2020-10-31 | 2022-05-06 | 中国石油化工股份有限公司 | Efficient sealing emission reduction device and method for floating roof tank |
| CN114684500A (en) * | 2020-12-31 | 2022-07-01 | 中国石油化工股份有限公司 | Efficient sealing device and method for in-situ recovery of floating-roof tank wall-mounted oil products |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104355004A (en) * | 2014-10-22 | 2015-02-18 | 中国石油化工股份有限公司 | Sealing device between floating disc and tank wall of external floating roof tank and mounting method of sealing device |
| CN104355004B (en) * | 2014-10-22 | 2017-06-27 | 中国石油化工股份有限公司青岛安全工程研究院 | Sealing device and its installation method between a kind of external floating top tank floating plate and tank skin |
| 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 |
| CN105480613A (en) * | 2016-01-08 | 2016-04-13 | 鞍山市宏兴石化设备厂 | Oil gas-free space sealing device for oil tank |
| CN108202934A (en) * | 2016-12-16 | 2018-06-26 | 中国石油化工股份有限公司 | The lidstock device of storage tank |
| CN108202934B (en) * | 2016-12-16 | 2019-06-28 | 中国石油化工股份有限公司 | The lidstock device of storage tank |
| CN109051376A (en) * | 2018-08-23 | 2018-12-21 | 西安长鹰工程技术有限公司 | A kind of flexible seal device for petroleum storage tank |
| CN111792211A (en) * | 2019-11-18 | 2020-10-20 | 中国石油天然气集团有限公司 | Floating roof sealing device, floating roof and floating roof tank |
| CN111634563A (en) * | 2020-05-28 | 2020-09-08 | 江苏科强新材料股份有限公司 | Floating roof tank sealing structure based on tongue-shaped sealing belt and assembling process thereof |
| CN111746950A (en) * | 2020-07-28 | 2020-10-09 | 安庆特种橡塑股份有限公司 | High-efficiency oil-free air sealing device for floating roof storage tank |
| CN114435767A (en) * | 2020-10-31 | 2022-05-06 | 中国石油化工股份有限公司 | Efficient sealing emission reduction device and method for floating roof tank |
| CN114684500A (en) * | 2020-12-31 | 2022-07-01 | 中国石油化工股份有限公司 | Efficient sealing device and method for in-situ recovery of floating-roof tank wall-mounted oil products |
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