CN203946447U - A kind of petroleum storage tank guidepost sealed insulation device - Google Patents
A kind of petroleum storage tank guidepost sealed insulation device Download PDFInfo
- Publication number
- CN203946447U CN203946447U CN201420372605.9U CN201420372605U CN203946447U CN 203946447 U CN203946447 U CN 203946447U CN 201420372605 U CN201420372605 U CN 201420372605U CN 203946447 U CN203946447 U CN 203946447U
- Authority
- CN
- China
- Prior art keywords
- guidepost
- semi
- cylindrical shaped
- shaped rubber
- storage tank
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- 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 - Lifetime
Links
- 239000003208 petroleum Substances 0.000 title claims abstract description 19
- 238000009413 insulation Methods 0.000 title claims abstract description 14
- 238000007667 floating Methods 0.000 claims abstract description 44
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 230000003068 static effect Effects 0.000 abstract description 7
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 235000015927 pasta Nutrition 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a kind of petroleum storage tank guidepost sealed insulation device, comprise two semi-cylindrical shaped rubber sheaths, two semi-cylindrical shaped rubber sheaths and guidepost are coaxially installed, the two formation is enclosed within the tubular shell in guidepost outside, at semi-cylindrical shaped rubber sheath, be radially provided with connecting strap, connecting strap is fixedly connected with the bearing plate on floating plate, when floating plate fluctuates, between semi-cylindrical shaped rubber sheath and guidepost, forms sliding block joint.The utility model is widely used in floating roof tank, the internal floating roof tank of petrochemical enterprise, can guarantee to keep between petroleum storage tank guidepost facility and floating plate certain dielectric level and sealing property, avoid the Spark Discharges causing due to reasons such as thunderbolt, static between guidepost and floating plate, effectively reduce the oil and gas leakage between guidepost facility and floating plate.The utlity model has simple in structure, the advantage such as installation and maintenance are convenient, safe and reliable.
Description
Technical field
The present invention relates to petrochemical complex fuel handling field, specifically relate to a kind of petroleum storage tank guidepost sealed insulation device.
Background technology
At present, domestic Large Oil tank field is built the disaster hotspots such as riverine, coastal in more, and the transportation such as harbour, pipeline, oil tanker auxiliary facility is intensive, once presence of fire, explosion accident just likely form linksystem disaster accident.In recent years, domesticly several the fire blast accidents that petroleum storage tank causes due to ignition sources such as thunderbolt, static have been recurred.As, on August 7th, 2006, Yizheng oil transportation station one 15 * 10
4m
3floating roof tank causes fire blast accident because of thunderbolt, and on June 29th, 2007, thunderbolt deflagration accident having occurs Zhenghai refinery G403# internal floating roof tank, and on August 29th, 2011, the 875# of Dalian ancillary firm of PetroChina Company Limited. internal floating roof tank causes fire blast accident because of static.By analysis, easy flashing electric discharge phenomena between the guidepost facility of storage tank and floating plate, and poorly sealed have oil gas to reveal herein, and easily cause storage tank fire blast accident, be one of potential safety hazard of petroleum storage tank.
Storage tank is in operational process, steady in order to ensure interior floating plate oscilaltion, and guide piece is all set, utilize guidepost that gauging detecting device is installed simultaneously, therefore guidepost upper end connects roof hatch, at the bottom of the through tank of the floating plate that vertically interted, and the floating plate positioning and guiding effect of having held concurrently.But storage tank is in operational process, easy flashing electric discharge phenomena between guidepost facility and metal floating plate.For example: oil product belongs to bad conductor, oil product when mobile, can gather a large amount of static charges on pasta, and these static charges are transmitted on interior floating plate as can not eliminate immediately, between floating plate and guidepost, will produce difference of potential, easily cause electrostatic spark electric discharge phenomena; On the other hand, storage tank is when being struck by lightning, and the guidepost facility that connects storage tank tank body has a small amount of lightning current to flow through, and between guidepost and metal floating plate, forms discharging gap, and the instantaneous difference of potential between the two of being struck by lightning easily causes that Spark Discharges occurs.Therefore, guidepost is one of ignition source of petroleum storage tank with unreliable connection of floating plate, once combustible gas concentration reaches explosive limits, will certainly cause storage tank fire blast accident herein.
Summary of the invention
The object of this invention is to provide a kind of petroleum storage tank guidepost sealed insulation device, to guarantee keeping certain dielectric level and sealing property between guidepost and floating plate, effectively avoid between guidepost and floating plate because spark discharge causes storage tank fire blast accident.
The technology used in the present invention solution is:
A kind of petroleum storage tank guidepost sealed insulation device, comprise two semi-cylindrical shaped rubber sheaths, two semi-cylindrical shaped rubber sheaths and guidepost are coaxially installed, the two formation is enclosed within the tubular shell in guidepost outside, at semi-cylindrical shaped rubber sheath, be radially provided with connecting strap, connecting strap is fixedly connected with the bearing plate on floating plate, when floating plate fluctuates, between semi-cylindrical shaped rubber sheath and guidepost, forms sliding block joint.
Preferably, described connecting strap is semicircle annular, and it is fitted in the top of bearing plate, is crimped with semicircle annular insulating press boards above connecting strap, and described semicircle annular insulating press boards, connecting strap and bearing plate are bolted.
Preferably, described semi-cylindrical shaped rubber sheath is made by government rubber, and resistance value is 10
5~10
9between Ω.
Preferably, the height of described semi-cylindrical shaped rubber sheath equals the distance between bearing plate and floating plate.
Preferably, the external diameter of described connecting strap is identical with the length of side of bearing plate.
Preferably, the described semicircle annular external diameter of insulating press boards is identical with the external diameter of connecting strap, and the internal diameter of described semicircle annular insulating press boards is identical with the external diameter of semi-cylindrical shaped rubber sheath, and semicircle annular insulating press boards is made by epoxy resin, and thickness is 12mm.
Preferably, between described semicircle annular insulating press boards, connecting strap and bearing plate, by 3 uniform stainless steel bolts, fix, and set check washer.
Useful technique effect of the present invention is:
The present invention is widely used in floating roof tank, the internal floating roof tank of petrochemical enterprise, can guarantee to keep between petroleum storage tank guidepost facility and floating plate certain dielectric level and sealing property, avoid the Spark Discharges causing due to reasons such as static, thunderbolts between guidepost and floating plate, effectively reduce the oil and gas leakage between guidepost facility and floating plate.The advantages such as the present invention has simple in structure, and installation and maintenance are convenient, safe and reliable.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and the specific embodiment, the invention will be further described:
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the cutaway view of semi-cylindrical shaped rubber sheath;
Fig. 4 is the structural representation of semicircle annular insulating press boards.
In figure: 1-the first semi-cylindrical shaped rubber sheath, 2-the second semi-cylindrical shaped rubber sheath, 3-the first semicircle annular insulating press boards, 4-the second semicircle annular insulating press boards, 5-guidepost, the semicircle connecting strap of 6-first, 7-floating plate, 8-bearing plate, 9-the first bolt, 10-the second bolt, 11-the 3rd bolt, the semicircle connecting strap of 12-second, 13-the 4th bolt, 14-the 5th bolt, 15-the 6th bolt.
The specific embodiment
By reference to the accompanying drawings, a kind of petroleum storage tank guidepost sealed insulation device, comprises the first semi-cylindrical shaped rubber sheath 1, the second semi-cylindrical shaped rubber sheath 2, the first semicircle annular insulating press boards 3 and the second semicircle annular insulating press boards 4.The first semi-cylindrical shaped rubber sheath 1, the second semi-cylindrical shaped rubber sheath 2 are coaxially installed with guidepost 5, and the two formation is enclosed within the tubular shell in guidepost 5 outsides.At the first semi-cylindrical shaped rubber sheath 1, be radially provided with the first semicircle connecting strap 6, the first semicircle connecting strap 6 is fitted on the bearing plate 8 of floating plate 7 tops, above the first semicircle connecting strap 6, being crimped with the semicircle connecting strap 6 of the first semicircle annular insulating press boards 3, the first semicircle annular insulating press boards 3, first is fixedly connected with the 3rd bolt 11 by well-distributed the first bolt 9, the second bolt 10 with bearing plate 8.At the second semi-cylindrical shaped rubber sheath 2, be radially provided with the second semicircle connecting strap 12, the second semicircle connecting strap 12 is fitted on the bearing plate 8 of floating plate 7 tops, above the second semicircle connecting strap 12, being crimped with the semicircle connecting strap 12 of the second semicircle annular insulating press boards 4, the second semicircle annular insulating press boards 4, second is fixedly connected with the 6th bolt 15 by well-distributed the 4th bolt 13, the 5th bolt 14 with bearing plate 8.The first semi-cylindrical shaped rubber sheath 1 is identical with the external diameter of guidepost 5 with the internal diameter of the second semi-cylindrical shaped rubber sheath 2.When floating plate 7 fluctuates, between the first semi-cylindrical shaped rubber sheath 1, the second semi-cylindrical shaped rubber sheath 2 and guidepost 5, form sliding block joint, can fluctuate with floating plate 7.
As a kind of optimal way of the present utility model, above-mentioned the first semi-cylindrical shaped rubber sheath 1 and the second semi-cylindrical shaped rubber sheath 2 are made by government rubber, and resistance value is 10
5~10
9between Ω, there is good fuel resistance, ageing-resistant, abrasion resistance properties, there is certain elasticity and air-tightness, make between guidepost facility and floating plate, to possess at least dielectric level of 20kV, and can effectively discharge the electrostatic charge gathering and prevent that spark discharge from occurring.
Further, the height of described the first semi-cylindrical shaped rubber sheath 1 and the second semi-cylindrical shaped rubber sheath 2 equals the distance between bearing plate 8 and floating plate 7.Described the first semicircle connecting strap 6 is identical with the length of side of bearing plate 8 with the second semicircle annular external diameter of connecting strap 12.The external diameter of described the first semicircle annular insulating press boards 3, the second semicircle annular insulating press boards 4 is identical with the external diameter of the first semicircle connecting strap 6, the second semicircle annular connecting strap 12, described the first semicircle annular insulating press boards 3, the annular insulating press boards 4 of the second semicircle internal diameter identical with the external diameter of the first semi-cylindrical shaped rubber sheath 1, the second semi-cylindrical shaped rubber sheath 2.The first semi-cylindrical shaped rubber sheath 1, the second semi-cylindrical shaped rubber sheath 2 are made by epoxy resin, and thickness is 12mm.
The present invention applies in floating roof tank, internal floating roof tank, can prevent from when floating plate from fluctuating contacting with guidepost, avoid between storage tank guidepost facility and floating plate because the reasons such as static, thunderbolt cause the Spark Discharges between two conductors, and farthest reduce the oil leak between guidepost facility and floating plate, effectively avoid the generation of storage tank fire blast accident.It is simple in structure that the present invention designs, and installation and maintenance are convenient, safe and reliable.
The part of not addressing in aforesaid way is taked or is used for reference prior art and can realize.
It should be noted that, under the instruction of this specification sheets, any equivalents that those skilled in the art have done, or obvious variant, all should be within protection scope of the present invention.
Claims (7)
1. a petroleum storage tank guidepost sealed insulation device, it is characterized in that: comprise two semi-cylindrical shaped rubber sheaths, two semi-cylindrical shaped rubber sheaths and guidepost are coaxially installed, the two formation is enclosed within the tubular shell in guidepost outside, at semi-cylindrical shaped rubber sheath, be radially provided with connecting strap, connecting strap is fixedly connected with the bearing plate on floating plate, when floating plate fluctuates, between semi-cylindrical shaped rubber sheath and guidepost, forms sliding block joint.
2. a kind of petroleum storage tank guidepost sealed insulation device according to claim 1, it is characterized in that: described connecting strap is semicircle annular, it is fitted in the top of bearing plate, above connecting strap, be crimped with semicircle annular insulating press boards, described semicircle annular insulating press boards, connecting strap and bearing plate are bolted.
3. a kind of petroleum storage tank guidepost sealed insulation device according to claim 1, is characterized in that: described semi-cylindrical shaped rubber sheath is made by government rubber, and resistance value is 10
5~10
9between Ω.
4. a kind of petroleum storage tank guidepost sealed insulation device according to claim 1, is characterized in that: the height of described semi-cylindrical shaped rubber sheath equals the distance between bearing plate and floating plate.
5. a kind of petroleum storage tank guidepost sealed insulation device according to claim 2, is characterized in that: the external diameter of described connecting strap is identical with the length of side of bearing plate.
6. a kind of petroleum storage tank guidepost sealed insulation device according to claim 2, it is characterized in that: the described semicircle annular external diameter of insulating press boards is identical with the external diameter of connecting strap, the internal diameter of described semicircle annular insulating press boards is identical with the external diameter of semi-cylindrical shaped rubber sheath, semicircle annular insulating press boards is made by epoxy resin, and thickness is 12mm.
7. a kind of petroleum storage tank guidepost sealed insulation device according to claim 2, is characterized in that: between described semicircle annular insulating press boards, connecting strap and bearing plate, by 3 uniform stainless steel bolts, fix, and set check washer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420372605.9U CN203946447U (en) | 2014-07-04 | 2014-07-04 | A kind of petroleum storage tank guidepost sealed insulation device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420372605.9U CN203946447U (en) | 2014-07-04 | 2014-07-04 | A kind of petroleum storage tank guidepost sealed insulation device |
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Publication Number | Publication Date |
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CN203946447U true CN203946447U (en) | 2014-11-19 |
Family
ID=51888501
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CN201420372605.9U Expired - Lifetime CN203946447U (en) | 2014-07-04 | 2014-07-04 | A kind of petroleum storage tank guidepost sealed insulation device |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105668052A (en) * | 2016-04-05 | 2016-06-15 | 安徽美祥实业有限公司 | Corrugated type sealing device of oil tank guide post |
CN107651308A (en) * | 2017-10-20 | 2018-02-02 | 广东美的暖通设备有限公司 | The packed and transported mounting structure and packed and transported method of household electrical appliance |
CN108216954A (en) * | 2016-12-09 | 2018-06-29 | 中国石油化工股份有限公司 | A kind of floating roof tank for inhibiting oil gas volatilization |
CN109928093A (en) * | 2019-03-27 | 2019-06-25 | 安庆特种橡塑股份有限公司 | A kind of internal floating roof tank guide post floating seal |
CN110539984A (en) * | 2019-09-17 | 2019-12-06 | 华陆工程科技有限责任公司 | Internal floating roof storage tank sampling device |
WO2020015254A1 (en) * | 2018-07-17 | 2020-01-23 | 广东世华设备技术有限公司 | Novel aluminum floating roof |
CN110723424A (en) * | 2018-07-17 | 2020-01-24 | 广东世华设备技术有限公司 | Novel aluminium alloy floating disc |
CN115447916A (en) * | 2022-11-11 | 2022-12-09 | 北斗启明(北京)节能科技服务有限公司 | Interior floating roof storage tank VOCs zero release environmental protection treatment equipment |
-
2014
- 2014-07-04 CN CN201420372605.9U patent/CN203946447U/en not_active Expired - Lifetime
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105668052A (en) * | 2016-04-05 | 2016-06-15 | 安徽美祥实业有限公司 | Corrugated type sealing device of oil tank guide post |
CN108216954A (en) * | 2016-12-09 | 2018-06-29 | 中国石油化工股份有限公司 | A kind of floating roof tank for inhibiting oil gas volatilization |
CN108216954B (en) * | 2016-12-09 | 2019-08-20 | 中国石油化工股份有限公司 | A kind of floating roof tank inhibiting oil gas volatilization |
CN107651308A (en) * | 2017-10-20 | 2018-02-02 | 广东美的暖通设备有限公司 | The packed and transported mounting structure and packed and transported method of household electrical appliance |
CN107651308B (en) * | 2017-10-20 | 2024-02-13 | 广东美的暖通设备有限公司 | Packaging, transporting and installing structure and packaging and transporting method of household appliances |
WO2020015254A1 (en) * | 2018-07-17 | 2020-01-23 | 广东世华设备技术有限公司 | Novel aluminum floating roof |
CN110723424A (en) * | 2018-07-17 | 2020-01-24 | 广东世华设备技术有限公司 | Novel aluminium alloy floating disc |
CN109928093A (en) * | 2019-03-27 | 2019-06-25 | 安庆特种橡塑股份有限公司 | A kind of internal floating roof tank guide post floating seal |
CN109928093B (en) * | 2019-03-27 | 2024-03-12 | 安庆特种橡塑股份有限公司 | Guide post floating sealing device for inner floating roof storage tank |
CN110539984A (en) * | 2019-09-17 | 2019-12-06 | 华陆工程科技有限责任公司 | Internal floating roof storage tank sampling device |
CN115447916A (en) * | 2022-11-11 | 2022-12-09 | 北斗启明(北京)节能科技服务有限公司 | Interior floating roof storage tank VOCs zero release environmental protection treatment equipment |
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Legal Events
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---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20141119 |