CN206384387U - A kind of board-like cross-elasticity sealing device of compensation entirely for oil storage tank exterior float disc - Google Patents
A kind of board-like cross-elasticity sealing device of compensation entirely for oil storage tank exterior float disc Download PDFInfo
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- CN206384387U CN206384387U CN201621196989.9U CN201621196989U CN206384387U CN 206384387 U CN206384387 U CN 206384387U CN 201621196989 U CN201621196989 U CN 201621196989U CN 206384387 U CN206384387 U CN 206384387U
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- adhesive tape
- float disc
- storage tank
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Abstract
A kind of board-like cross-elasticity sealing device of compensation entirely for oil storage tank exterior float disc, it includes：Spacing pernetti, it is detachably secured on exterior float disc；Elastomer block, its one end is fixed on the spacing pernetti, and the other end is fixedly connected with a depression bar；The depression bar, its one end connects the elastomer block, and its other end is fixed together with oil-scraping structure, and the depression bar drives the oil-scraping structure to abut tank wall of oil tank in the presence of the elastomer block；The oil-scraping structure includes wiper seal adhesive tape, top board, lower platen and adjusting screw rod, the wiper seal adhesive tape is located between the top board and lower platen, and the wiper seal adhesive tape and the top board, lower platen are fixed on to the other end of the depression bar by the adjusting screw rod；Barrier film is sealed, its one end is fixed between the spacing pernetti and the exterior float disc, the other end of the sealing barrier film is fixed between dormitory top board and the wiper seal adhesive tape.
Description
Technical field
It is that a kind of compensation entirely for oil storage tank exterior float disc is board-like more specifically the invention belongs to technical field of sealing technology
Cross-elasticity sealing device.
Background technology
In American Petroleum Institute API650《Steel welding petroleum storage tank》Standard annex H《Inside and outside floating roof》In chapters and sections, in detail
The sealed several types of floating roof inside and outside the storage tank listed.
In Chinese GB50341《Vertical cylinder steel welding oil tank》In standard " floating roof inside and outside the 9th chapters and sections ", storage specify only
Floating roof seal type is divided into inside and outside tank：Soft foam seal, topping up tubular sealed and mechanical sealing.
Edge seal system structure between outer floating roof tank and floating plate main body, by seal form, can be divided into machinery close
Envelope, topping up tubular sealed, bellows are sealed, by order up and down is sealed, lower to be referred to as once sealing, upper title secondary seal.Apply to stone
Change the various forms of floating top oil tank sealings of industry, the main distinction is the difference of secondary sealer, in order to ensure that floating roof can be suitable
Profit is moved up and down, and 200~300 millimeters of gap, referred to as floating plate ring spacing are typically left between tank skin.In order to prevent this
The oil evaporation at place, special sealing device is made in the outer rim of floating roof, and sealing device regulation should can meet the change of ring spacing
± 100 millimeters of compensation, covers pasta all the time, and refusal, to reduce oil product evaporating loss, does not influence floating roof again with atmospheric isolation
It followed by liquid level to move up and down, do not blocked with tank skin.Sealing device required with good sealing property and oil resistance,
It is sturdy and durable, it is simple in construction, construct and easy to maintenance, it is with low cost.Therefore can floating top oil tank normal work and reduction oil
How is the effect of product evaporating loss, is heavily dependent on the working condition of sealing device.
The shortcoming of edge seal system structure between existing outer floating roof tank and floating plate main body has：
There is serious potential safety hazard in mechanical seal, in terms of structure design, manufacture, the use due to, metal it
Between be also easy to produce spark, cause and catch fire, in addition blast.And floating plate offset it is excessive when can cause seal failure, sealing effectiveness is poor, storage
The oil pole deposited easily is emitted in air, produces serious evaporation dissipation loss, severe contamination surrounding air.
Also all there is serious potential safety hazard in bellows sealing：1. when floating plate offset is excessive, because compensation range is small, meeting
The tank skin that caused adhesive tape gluing not, the oil pole of storage is easily emitted in air, produces serious evaporation dissipation loss；2. adhesive tape
Service life is short, and the adhesive tape for being accomplished by more renewing for general 5 years, maintenance cost is too high；3. adhesive tape does not possess electric conductivity and fire resisting
Performance, once occurring fire, consequence is hardly imaginable；4. bellows adhesive tape inside stuffing is sponge, because the aggravation of rubber strip is old
Change to rupture and tape thickness is very thin, usual thickness only has 1.5mm, once adhesive tape has any one place damaged, then makes whole
Bar is wrapped in the interior direct or indirect oil suction of foamed plastics filler, forces elastic force to disappear；5. the universal performance of adhesive tape is poor, by
In the difference of oil product medium, the material of selected adhesive tape also can be different, and the price of wherein fluorubber is very expensive.
Topping up tubular sealed:It is flexible friction that 1. its outside is whole piece, and seal pipe band is made of rubber with tank skin edge,
Elastic force is bigger, and coefficient of friction is bigger, easier abrasion, subsequently results in rupture；2. seal is once aging and ruptured, sealing is lost
Effect, maintenance is changed difficult；3. changing adhesive tape pipe and filling, scene is needed to stop work and clear tank, maintenance cost is high.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art or defect there is provided a kind of full benefit for oil storage tank exterior float disc
Repay board-like cross-elasticity sealing device.
To achieve these goals, present invention employs following technical scheme：
A kind of board-like cross-elasticity sealing device of compensation entirely for oil storage tank exterior float disc includes：Spacing pernetti, it can
That dismantles is fixed on exterior float disc；Elastomer block, its one end is fixed on the spacing pernetti, and the other end is fixedly connected with a pressure
Bar；The depression bar, its one end connects the elastomer block, and its other end is fixed together with oil-scraping structure, and the depression bar is described
The oil-scraping structure is driven to abut tank wall of oil tank in the presence of elastomer block；The oil-scraping structure include wiper seal adhesive tape,
Top board, lower platen and adjusting screw rod, the wiper seal adhesive tape are located between the top board and lower platen, by described
The wiper seal adhesive tape and the top board, lower platen are fixed on the other end of the depression bar by adjusting screw rod；Seal barrier film,
Its one end is fixed between the spacing pernetti and the exterior float disc, and the other end of the sealing barrier film, which is fixed on dormitory, presses
Between plate and the wiper seal adhesive tape.
It is preferred that the oil-scraping structure also includes an antirotation tab, the antirotation tab is solid by the adjusting screw rod
Due between the lower platen and the depression bar, the antirotation tab includes a canned paragraph, one and the wiper seal adhesive tape side
The press section of side laminating and the anti-rotation section that bear against the tank skin that is connected with the press section and bends.
It is preferred that the wiper seal adhesive tape is made up of rubber, what the wiper seal adhesive tape was contacted with the tank skin
Simultaneously it is provided with teeth labyrinth shape.
It is preferred that the depression bar is provided with bolt waist hole, the adjusting screw rod passes through the bolt waist hole.
It is preferred that the elastomer block is the quadrant arc bent inwards.
It is preferred that the sealing barrier film is polytetrafluoroethylene (PTFE).
Constituted it is preferred that the top board, lower platen, regulating bolt, spacing pernetti are stainless steel.
It is preferred that the spacing pernetti is lock onto on the exterior float disc by fixing bolt.
As a result of above-mentioned technical scheme, the present invention compared with prior art, has the following advantages that and actively imitated
Really：
1. the application's is simple in construction, it is easy to efficiently be installed and changed, highly versatile；
2. the perfect of the application combines elastic force and rigidity, good sealing effect, the sealing of edge seal system and tank skin
It is brought into close contact, effectively blocks oil gas and dissipated by being leaked at tank skin；Edge seal is brought into close contact all the time with tank skin, can make up ring
To more than+150 to -100 millimeters direct deviations of storage tank of spacing.Will not be excessive because of floating plate offset, and cause sealing and tank skin not
Laminating, it is adaptable to the storage tank of each size.
3. service life is long, each component materials are corrosion-resistant.
Brief description of the drawings
By the description of its accompanying drawing of following examples and combination, it will be further appreciated that the purpose of its invention, concrete structure
Feature and advantage.In accompanying drawing：
Fig. 1 is the structural representation of an embodiment of the present utility model.
Embodiment
Shown in Figure 1, Fig. 1 is the structural representation of an embodiment of the present utility model.Being used in the present embodiment stores up
The board-like cross-elasticity sealing device of compensation entirely of oil tank outside floating disk includes spacing pernetti 1, elastomer block 2, depression bar 3, oil-scraping structure
And sealing barrier film 4.Please referring particularly to shown in Fig. 1, wherein：
Spacing pernetti 1 is detachably secured on exterior float disc 5.The spacing pernetti 1 is fixed in the one end of elastomer block 2
On, the other end of elastomer block 2 is fixedly connected with a depression bar 3.Elastomer block 2 is the quadrant arc bent inwards, the elasticity
Block 2 provides enough resilient supports for whole oil-scraping structure, and each spacing pernetti 1 is both to play rest effect and play limit
Position effect, makes floating plate remain a certain distance with tank skin, serves the effect of protection sealing device.
Described one end of depression bar 3 connects the elastomer block 2, and the other end of depression bar 3 is provided with waist hole, by waist hole by depression bar 3
It is fixed together with oil-scraping structure.Elastic force passes to depression bar 3 by the elastic force of lower elastic block 2, is transported before and after forcing above and below the work of depression bar 3
It is dynamic, when local deformation amount is excessive between exterior float disc 5 and oil storage tank, i.e. ring pitch offset in (+350)-(+450) millimeter scope,
The oil-scraping structure is still ensured that fits with tank skin.
I portions enlarged drawing shown in Figure 1, the oil-scraping structure includes wiper seal adhesive tape 61, top board 62, lower platen
63 and adjusting screw rod 64, the wiper seal adhesive tape 61 is located between the top board 62 and lower platen 63, passes through described adjust
The wiper seal adhesive tape 61 and the top board 62, lower platen 63 are fixed on the other end of the depression bar 3 by section screw rod 64.Scrape
Oil seal adhesive tape 61 is made up of rubber, and the one side that the wiper seal adhesive tape 61 is contacted with the tank skin 7 is provided with teeth labyrinth shape
Shape.The wiper seal adhesive tape 61 plays the sealing function for effectively preventing the oil-gas space evaporation of tank skin top, while being conducive to scraping
The oil foulant gone on tank skin.
The oil-scraping structure also includes an antirotation tab 65, and the antirotation tab 65 is fixed on by the adjusting screw rod 64
Between the lower platen 63 and the depression bar 3.The antirotation tab 65 includes a canned paragraph, one and the wiper seal adhesive tape side
The press section of side laminating and the anti-rotation section that bear against the tank skin 7 that is connected with the press section and bends.When exterior float disc and tank
Wall circular interval error, by the effect with antirotation tab, wiper seal Adhesive tape assembly is sealed still at+150 to -100 millimeters
Laminating and tank skin, do not make any rotation.
Sealing barrier film 4 one end is fixed between the spacing pernetti and the exterior float disc, described to seal the another of barrier film 4
End is fixed between dormitory top board and the wiper seal adhesive tape.Whole piece sealing barrier film 4 do not contacted with tank skin, be not involved in because with
Tank skin is rubbed and produces abrasion, and particularly polytetrafluoroethylene (PTFE) is strong to the oil storage media general performance of oil storage tank, and can prevent
Fire, anti-uv-ray is strong, the advantages of price is cheap many compared to materials such as conventional fluorubber.
The top board, lower platen, regulating bolt, spacing pernetti are that stainless steel is constituted, and are ensureing bullet suitable enough
Property effect under certain rigidity is provided, increase the service life of device.
Claims (8)
1. a kind of board-like cross-elasticity sealing device of compensation entirely for oil storage tank exterior float disc, it is characterised in that including：
Spacing pernetti, it is detachably secured on exterior float disc；
Elastomer block, its one end is fixed on the spacing pernetti, and the other end is fixedly connected with a depression bar；
The depression bar, its one end connects the elastomer block, and its other end is fixed together with oil-scraping structure, and the depression bar is described
The oil-scraping structure is driven to abut tank wall of oil tank in the presence of elastomer block；
The oil-scraping structure includes wiper seal adhesive tape, top board, lower platen and adjusting screw rod, and the wiper seal adhesive tape is set
Between the top board and lower platen, by the adjusting screw rod by the wiper seal adhesive tape and the top board, push
Plate is fixed on the other end of the depression bar；
Barrier film is sealed, its one end is fixed between the spacing pernetti and the exterior float disc, the other end of the sealing barrier film
It is fixed between dormitory top board and the wiper seal adhesive tape.
2. the board-like cross-elasticity sealing device of the compensation according to claim 1 entirely for oil storage tank exterior float disc, its feature
It is, the oil-scraping structure also includes an antirotation tab, the antirotation tab is fixed on described push by the adjusting screw rod
Between plate and the depression bar, the antirotation tab includes a canned paragraph, a compacting fitted with the wiper seal adhesive tape side
Section and the anti-rotation section that bear against the tank skin that is connected with the press section and bends.
3. the board-like cross-elasticity sealing device of the compensation according to claim 1 entirely for oil storage tank exterior float disc, its feature
It is, the wiper seal adhesive tape is made up of rubber, the one side that the wiper seal adhesive tape is contacted with the tank skin is provided with teeth
Labyrinth shape.
4. the board-like cross-elasticity sealing device of the compensation according to claim 1 entirely for oil storage tank exterior float disc, its feature
It is, the depression bar is provided with bolt waist hole, the adjusting screw rod passes through the bolt waist hole.
5. the board-like cross-elasticity sealing device of the compensation according to claim 1 entirely for oil storage tank exterior float disc, its feature
It is, the elastomer block is the quadrant arc bent inwards.
6. the board-like cross-elasticity sealing device of the compensation according to claim 1 entirely for oil storage tank exterior float disc, its feature
It is, the sealing barrier film is polytetrafluoroethylene (PTFE).
7. the board-like cross-elasticity sealing device of the compensation according to claim 1 entirely for oil storage tank exterior float disc, its feature
It is, the top board, lower platen, regulating bolt, spacing pernetti are that stainless steel is constituted.
8. the board-like cross-elasticity sealing device of the compensation according to claim 1 entirely for oil storage tank exterior float disc, its feature
It is, the spacing pernetti is lock onto on the exterior float disc by fixing bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621196989.9U CN206384387U (en) | 2016-11-04 | 2016-11-04 | A kind of board-like cross-elasticity sealing device of compensation entirely for oil storage tank exterior float disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621196989.9U CN206384387U (en) | 2016-11-04 | 2016-11-04 | A kind of board-like cross-elasticity sealing device of compensation entirely for oil storage tank exterior float disc |
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| Publication Number | Publication Date |
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| CN206384387U true CN206384387U (en) | 2017-08-08 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108190267A (en) * | 2018-02-09 | 2018-06-22 | 上海聪浮环保科技有限公司 | For the edge triple sealing system of External floating roof tank |
| CN108529030A (en) * | 2018-06-15 | 2018-09-14 | 江苏龙禾轻型材料有限公司 | Connect floating plate in liquid welded type entirely |
| 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 |
| CN113415541A (en) * | 2021-06-03 | 2021-09-21 | 上海和达化工石油工程技术有限公司 | Full compensation elastic sealing device |
-
2016
- 2016-11-04 CN CN201621196989.9U patent/CN206384387U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108190267A (en) * | 2018-02-09 | 2018-06-22 | 上海聪浮环保科技有限公司 | For the edge triple sealing system of External floating roof tank |
| CN108529030A (en) * | 2018-06-15 | 2018-09-14 | 江苏龙禾轻型材料有限公司 | Connect floating plate in liquid welded type entirely |
| CN108529030B (en) * | 2018-06-15 | 2024-03-01 | 江苏龙禾轻型材料有限公司 | Full liquid-receiving welding type inner floating disc |
| 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 |
| CN113415541A (en) * | 2021-06-03 | 2021-09-21 | 上海和达化工石油工程技术有限公司 | Full compensation elastic sealing device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Baoshan District Pan River Road 200949 Shanghai City No. 1575 Building 1 Patentee after: Shanghai Smart Environment Protection Technology Co., Ltd. Address before: Baoshan District Pan River Road 200949 Shanghai City No. 1575 Building 1 Patentee before: Shanghai baocui Xin International Trade Co. Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210914 Address after: 200941 No. 368, maojia Road, Luodian Town, Baoshan District, Shanghai Patentee after: SHANGHAI BAOSHAN PETRO-MACHINERY PLANT Address before: 200949 Building 1, No. 1575, panchuan Road, Baoshan District, Shanghai Patentee before: SHANGHAI CONGFU ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |