CN105480613A - Oil gas-free space sealing device for oil tank - Google Patents
Oil gas-free space sealing device for oil tank Download PDFInfo
- Publication number
- CN105480613A CN105480613A CN201610012429.1A CN201610012429A CN105480613A CN 105480613 A CN105480613 A CN 105480613A CN 201610012429 A CN201610012429 A CN 201610012429A CN 105480613 A CN105480613 A CN 105480613A
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- China
- Prior art keywords
- sealing
- floating roof
- oil
- sealing film
- seal
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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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
- B65D90/46—Arrangements for carrying off, or preventing the formation of electrostatic charges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Gasket Seals (AREA)
Abstract
The invention relates to an oil gas-free space sealing device for an oil tank. The device is arranged between a tank wall and a floating roof, and comprises an upper sealing, a lower sealing, an outer sealing film and static conducting components, wherein the upper sealing is fixed on an outer edge plate of the floating roof through a fastener; the lower sealing is fixed on the outer edge plate of the floating roof through a fastener; the outer sealing film is arranged between the lower sealing and the outer edge plate of the floating roof; the outer sealing film internally coats the lower sealing, and the two ends of the outer sealing film are hermetically lapped with the two ends of the upper sealing film, so that the upper sealing and the lower sealing form integrated sealing; a sawtooth belt is arranged at one side contacting with the tank wall, of the outer sealing film externally coating the elastic sealing element; one end of the elastic sealing element is fixed on the outer edge plate of the floating roof through a fastener, and the other end of the elastic sealing element is jacked on the wall of the outer sealing film, so that the outer sealing film clings to the tank wall; and the static conducting components are arranged above a slide press plate, one end of each static conducting component is connected with the slide press plate, the other end of each static conducting component contacts with the tank wall, and the static conducting component contacts are distributed at intervals along the circumference of the tank wall.
Description
Technical field
The present invention relates to the sealing of a kind of tank rim, particularly a kind of edge seal without oil gas in cavity between once sealing and secondary seal.
Background technology
In petrochemical complex storing technology field, for reducing the volatilization of liquid storage in storage tank, so floating roof will be arranged in liquid storage surface in storage tank, for enabling floating roof safe operation, be provided with sealing arrangement between floating roof and oil tank wall, existing sealing is divided into once sealing and secondary seal.Once sealing is divided into again elastic seal, topping up to seal and mechanical seal.Secondary seal is mounted in the pressure-bearing plank frame with L-type closing plate on boundary plank.Its weak point is: the sedimentation of floating roof gene basis, tank skin install error and with pasta stir may produce displacement, once sealing gap, local can be caused to strengthen, even expose pasta, oil gas overflows, and the secondary seal on top is fitted with tank skin all the time due to the effect of elastic force, oil gas cannot volatilize and be present between a secondary seal.No matter be which kind of sealing, between once sealing and secondary seal, all there is oil gas.Because secondary seal stops oil gas to leak.When in once sealing and secondary seal cavity, gas concentration reaches Lower Explosive Limit, explode when running into spark.
Summary of the invention
Technical matters to be solved by this invention is to provide one and has a secondary sealing function, and without the sealing arrangement of oil-gas space between a secondary seal.
For achieving the above object, the present invention realizes by the following technical solutions:
Oil tank is without oil-gas space sealing arrangement, this device is arranged between tank skin and floating roof, comprise sealing, lower seal, outer gland sealing film, static conductive element, described upper sealing comprises and the sliding clamp of tank skin slipper seal, stay bearing plate, upper diaphragm seal, stay bearing plate to be fixed on outside floating roof on listrium by fastener, L-type sliding clamp is fixed by fastener and stay bearing plate, and stay bearing plate back is provided with diaphragm seal;
Described lower seal comprises elastic sealing element, strut member, lower platen, elastic sealing element side abuts on tank skin, opposite side is provided with strut member, strut member to be fixed on outside floating roof on listrium by fastener, L-type lower platen is arranged on elastic sealing element top, and being fixed on outside floating roof on listrium by fastener, lower seal is supported by the supporting plate be arranged on outside floating roof on listrium;
Outer gland sealing film is provided with between listrium outside lower seal and floating roof, in lower seal is coated on by outer gland sealing film, the two ends lap hermetically of outer gland sealing film two ends and upper diaphragm seal, sealing and lower seal is made to form integral sealing, the outer gland sealing film being coated on elastomeric seal exterior contacts side with tank skin and is provided with saw tooth belt, elastic supporting member for supporting optical member one end to be fixed on outside floating roof on listrium by fastener, the other end becomes tip-cambered to be pressed on outer gland sealing membranous wall, outer gland sealing film is made to be close to tank skin, described static conductive element is arranged on above sliding clamp, one end is connected with sliding clamp, the other end contacts with tank skin, and along tank skin circumferentially-spaced.
Described fastener is bolt.
Described elastic sealing element is foamed plastic.
Described upper diaphragm seal and outer gland sealing film adopt the rubber band of nylon fabrics both sides sulfuration kiss-coating.
Described rubber band thickness is 1.5-2.0mm.
Compared with prior art, the invention has the beneficial effects as follows:
Because storage tank edge seal have employed integral coating formula, both exist without oil gas phenomenon between upper-lower seal, thus avoid gas concentration between an original secondary seal and exceed standard, because thunder and lightning or electrostatic cause the phenomenon of fire and blast.Fundamentally stop the hidden danger of exploding.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the schematic diagram of outer gland sealing film.
Fig. 3 is birds-eye view of the present invention.
In figure: listrium 14-binding bolt one 15-binding bolt two outside diaphragm seal 3-outer gland sealing film 4-elastic sealing element 5-static conductive element 6-sliding clamp 7-stay bearing plate 8-elastic supporting member for supporting optical member 9-lower platen 10-strut member 11-supporting plate 12-saw tooth belt 13-floating roof on 1-tank skin 2-
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further illustrated:
As Fig. 1-Fig. 2, oil tank is without oil-gas space sealing arrangement, this device is arranged between tank skin 1 and floating roof, comprise sealing, lower seal, outer gland sealing film 3, static conductive element 5, described upper sealing comprises and the sliding clamp 6 of tank skin slipper seal, stay bearing plate 7, upper diaphragm seal 2, stay bearing plate 7 is fixed on outside floating roof on listrium 13 by binding bolt 1, and L-type sliding clamp 6 is fixed by binding bolt 2 15 and stay bearing plate 7, and stay bearing plate 7 back is provided with diaphragm seal 2;
Described lower seal comprises elastic sealing element 4, strut member 10, lower platen 9, elastic sealing element 4 is foamed plastic, elastic sealing element 4 side abuts on tank skin 1, opposite side is provided with strut member 10, strut member 10 to be fixed on outside floating roof on listrium 13 by binding bolt 1, L-type lower platen 9 is arranged on elastic sealing element 4 top, and is fixed on outside floating roof on listrium 13 by binding bolt 1, and lower seal is supported by the supporting plate 11 be arranged on outside floating roof on listrium 13;
Outer gland sealing film 3 is provided with between listrium 13 outside lower seal and floating roof, in lower seal is coated on by outer gland sealing film 3, the two ends lap hermetically of outer gland sealing film 3 two ends and upper diaphragm seal, sealing and lower seal is made to form integral sealing, the outer gland sealing film 3 being coated on elastic sealing element 4 outside contacts side with tank skin 1 and is provided with saw tooth belt 12, elastic supporting member for supporting optical member 8 (spring) one end to be fixed on outside floating roof on listrium 13 by binding bolt 1, the other end becomes tip-cambered to be pressed on outer gland sealing film 3 wall, outer gland sealing film 3 is made to be close to tank skin 1, upper diaphragm seal and outer gland sealing film adopt rubber band, rubber band is the both sides sulfuration kiss-coating in nylon fabrics, at assigned address sulfuration saw tooth belt, rubber band thickness is 1.5-2.0mm, transverse tooth thickness and the rubber band thickness of saw tooth belt are consistent.
As Fig. 1, Fig. 3, described static conductive element 5 is arranged on above sliding clamp 6, and one end is connected with sliding clamp 6 and stay bearing plate 7 by binding bolt 2 15, and the other end contacts with tank skin 1, and along tank skin 1 circumferentially-spaced.
Installation method:
By listrium connection outside upper sealing and floating roof, listrium outside one end of outer gland sealing film (rubber band) and floating roof is fixed, and with the fixed end lap hermetically of upper sealing, elastic supporting member for supporting optical member and lower seal are installed inside rubber band, ensure that the flank of tooth of rubber band is between lower seal and tank skin, and fit tightly tank skin.The other end of rubber band along tank skin upwards, with the sliding end lap hermetically of upper sealing, forms integral sealing.Static conductive element is arranged on the sliding end of upper sealing.
Be only groundwork of the present invention above, not impose any restrictions the present invention, the present invention of every foundation carries out equivalent variations and modification to it, all within the category of the art of this patent protection scheme.
Claims (5)
1. oil tank is without oil-gas space sealing arrangement, this device is arranged between tank skin and floating roof, it is characterized in that, comprise sealing, lower seal, outer gland sealing film, static conductive element, described upper sealing comprises and the sliding clamp of tank skin slipper seal, stay bearing plate, upper diaphragm seal, stay bearing plate is fixed on outside floating roof on listrium by fastener, and L-type sliding clamp is fixed by fastener and stay bearing plate, and stay bearing plate back is provided with diaphragm seal;
Described lower seal comprises elastic sealing element, strut member, lower platen, elastic sealing element side abuts on tank skin, opposite side is provided with strut member, strut member to be fixed on outside floating roof on listrium by fastener, L-type lower platen is arranged on elastic sealing element top, and being fixed on outside floating roof on listrium by fastener, lower seal is supported by the supporting plate be arranged on outside floating roof on listrium;
Outer gland sealing film is provided with between listrium outside lower seal and floating roof, in lower seal is coated on by outer gland sealing film, the two ends lap hermetically of outer gland sealing film two ends and upper diaphragm seal, sealing and lower seal is made to form integral sealing, the outer gland sealing film being coated on elastomeric seal exterior contacts side with tank skin and is provided with saw tooth belt, elastic supporting member for supporting optical member one end to be fixed on outside floating roof on listrium by fastener, the other end becomes tip-cambered to be pressed on outer gland sealing membranous wall, outer gland sealing film is made to be close to tank skin, described static conductive element is arranged on above sliding clamp, one end is connected with sliding clamp, the other end contacts with tank skin, and along tank skin circumferentially-spaced.
2. oil tank according to claim 1 is without oil-gas space sealing arrangement, it is characterized in that, described fastener is bolt.
3. oil tank according to claim 1 is without oil-gas space sealing arrangement, it is characterized in that, described elastic sealing element is foamed plastic.
4. oil tank according to claim 1 is without oil-gas space sealing arrangement, it is characterized in that, described upper diaphragm seal and outer gland sealing film adopt the rubber band of nylon fabrics both sides sulfuration kiss-coating.
5. oil tank according to claim 4 is without oil-gas space sealing arrangement, it is characterized in that, described rubber band thickness is 1.5-2.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610012429.1A CN105480613B (en) | 2016-01-08 | 2016-01-08 | Oil tank is without oil-gas space sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610012429.1A CN105480613B (en) | 2016-01-08 | 2016-01-08 | Oil tank is without oil-gas space sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105480613A true CN105480613A (en) | 2016-04-13 |
| CN105480613B CN105480613B (en) | 2018-11-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610012429.1A Active CN105480613B (en) | 2016-01-08 | 2016-01-08 | Oil tank is without oil-gas space sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105480613B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107636400A (en) * | 2015-05-21 | 2018-01-26 | 巴斯夫欧洲公司 | Container for storing liquid and application thereof |
| CN108058912A (en) * | 2018-01-03 | 2018-05-22 | 江苏德大石化科技有限公司 | A kind of automatic compensation high resiliency sealing mechanism of floating plate |
| CN111483712A (en) * | 2019-01-25 | 2020-08-04 | 中国石油天然气集团有限公司 | Sealing device for secondary sealing of outer floating roof storage tank and outer floating roof storage 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 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4147274A (en) * | 1978-05-12 | 1979-04-03 | Shell Oil Company | Floating roof tank seal |
| WO2002010038A2 (en) * | 2000-08-01 | 2002-02-07 | Chicago Bridge & Iron Company | Secondary seal for floating roof storage tank |
| CN104370002A (en) * | 2014-11-14 | 2015-02-25 | 中国石油天然气股份有限公司大连石化分公司 | Floating roof tank floating pan continuous one-piece airtight sealing structure without oil gas space |
| CN204197699U (en) * | 2014-10-22 | 2015-03-11 | 中国石油化工股份有限公司 | Sealing arrangement between a kind of external floating top tank floating plate and tank skin |
| CN204226645U (en) * | 2014-11-04 | 2015-03-25 | 中国石油化工股份有限公司 | Combined type soft seal 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 |
| CN205345897U (en) * | 2016-01-08 | 2016-06-29 | 鞍山市宏兴石化设备厂 | Oil tank does not have oil gas space sealing device |
-
2016
- 2016-01-08 CN CN201610012429.1A patent/CN105480613B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4147274A (en) * | 1978-05-12 | 1979-04-03 | Shell Oil Company | Floating roof tank seal |
| WO2002010038A2 (en) * | 2000-08-01 | 2002-02-07 | Chicago Bridge & Iron Company | Secondary seal for floating roof storage tank |
| CN204197699U (en) * | 2014-10-22 | 2015-03-11 | 中国石油化工股份有限公司 | Sealing arrangement between a kind of external floating top tank floating plate and tank skin |
| CN204226645U (en) * | 2014-11-04 | 2015-03-25 | 中国石油化工股份有限公司 | Combined type soft seal device |
| CN104370002A (en) * | 2014-11-14 | 2015-02-25 | 中国石油天然气股份有限公司大连石化分公司 | Floating roof tank floating pan continuous one-piece airtight sealing structure without oil gas space |
| 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 |
| CN205345897U (en) * | 2016-01-08 | 2016-06-29 | 鞍山市宏兴石化设备厂 | Oil tank does not have oil gas space sealing device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107636400A (en) * | 2015-05-21 | 2018-01-26 | 巴斯夫欧洲公司 | Container for storing liquid and application thereof |
| CN108058912A (en) * | 2018-01-03 | 2018-05-22 | 江苏德大石化科技有限公司 | A kind of automatic compensation high resiliency sealing mechanism of floating plate |
| CN108058912B (en) * | 2018-01-03 | 2023-10-03 | 江苏德大石化科技有限公司 | Automatic compensation high-elasticity sealing mechanism of floating disc |
| CN111483712A (en) * | 2019-01-25 | 2020-08-04 | 中国石油天然气集团有限公司 | Sealing device for secondary sealing of outer floating roof storage tank and outer floating roof storage tank |
| CN111483712B (en) * | 2019-01-25 | 2022-03-01 | 中国石油天然气集团有限公司 | Sealing device for secondary sealing of outer floating roof storage tank and outer floating roof storage 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105480613B (en) | 2018-11-30 |
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