CN201068297Y - Inner floating disc for oil storage tank - Google Patents
Inner floating disc for oil storage tank Download PDFInfo
- Publication number
- CN201068297Y CN201068297Y CNU2007200532225U CN200720053222U CN201068297Y CN 201068297 Y CN201068297 Y CN 201068297Y CN U2007200532225 U CNU2007200532225 U CN U2007200532225U CN 200720053222 U CN200720053222 U CN 200720053222U CN 201068297 Y CN201068297 Y CN 201068297Y
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- Prior art keywords
- storage tank
- density
- ligulate
- strip
- seal strip
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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
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Abstract
The utility model relates to an inner floating roof used for an oil storage tank. The tongue-shaped sealing strip of the inner floating roof in the prior art is usually made of synthetic rubber, which has the disadvantages that the rubber becomes friable easily, the density is great , the cost is high, and different sorts of oil products need to choose the suitable synthetic rubber material products. The tongue-shaped sealing strip of the inner floating roof for the oil storage tank is made from more than two layers of polyethylene with different density through dissolving and merging the foamed surface, the structure is stable, the tongue-shaped sealing strip of the utility model is unlikely to be friable, and the tongue-shaped sealing strip is suitable for the storage of the most chemical products; the utility model can be used in manufacturing the oil storage tank in the petrochemical industry because the density is small, and the price is low.
Description
Technical field
The utility model relates to a kind of petrol storage tank sealing arrangement of petroleum chemical industry, the interior floating plate that particularly a kind of petrol storage tank is used.
Background technology
Interior floating plate is to swim in pasta in the oil tank, can be with the unsteady disk of pasta oscilaltion, mainly be used in the petrol storage tank, at interior floating plate periphery seal strip is installed, can do moving contact with inner wall of oil tank, it mainly acts on is the boil-off loss that reduces the oil tank oil product, and its weak point of prior art is: employed seal strip is made with neoprene, rubber can become fragile after long-time the use easily, influences service life; And when storing different chemical mediums, also to use different types of neoprene, so just the purposes to oil tank has certain restriction; Also have elastomeric density bigger, increased the weight of whole interior floating plate, floating plate is immersed in the height of liquid level in can influencing, and causes sinking easily; In addition, elastomeric material cost is higher, has also increased the manufacturing cost of oil tank.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of operating cycles long, applied widely, light weight, the ligulate seal strip that cost is low.
The technical scheme that its technical matters that solves the utility model adopts is: the interior floating plate that a kind of petrol storage tank is used, comprise floating drum, the floating drum top is provided with disk, described disk is connected with the ligulate seal strip by the surrounding edge that its periphery is provided with, described ligulate seal strip outer rim contacts with oil storage tank inner-wall, it is characterized in that: described ligulate seal strip is by two-layer above stacked composition of polythene strip.
The beneficial effects of the utility model are: its ligulate seal strip of the design uses the polyethylene of multilayer different densities to replace original neoprene, because poly steady chemical structure, even long-time the use can not become fragile yet, and is applicable to the storage of most of chemical products; Low owing to its density again, light weight, the influence that internal floating plate is immersed in electrolyte level is less, and interior floating plate is difficult for sinking; Compare with neoprene, poly price is low, thereby has reduced manufacturing cost, and simultaneously in order to make elasticity better, the design's ligulate seal strip has also used the multiple-structure of different densities.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A face scheme drawing of Fig. 1;
Fig. 3 is a partial schematic diagram of the present utility model.
The specific embodiment
Referring to figs. 1 through Fig. 3, the interior floating plate that a kind of petrol storage tank is used, comprise floating drum 1, be provided with disk 2 above floating drum 1, disk 2 is connected with ligulate seal strip 4 by the surrounding edge 3 that its periphery is provided with, these ligulate seal strip 4 outer rims contact with oil storage tank inner-wall 5, the design's ligulate seal strip 4 is by two-layer above stacked the making of polythene strip, and its density is less, lighter weight, when being installed on the interior floating plate, the influence that internal floating plate is immersed in electrolyte level is less.
In order to make ligulate seal strip 4 and oil storage tank inner-wall 5 keep elastic seal, the design has used four layers of polyethylene that density is different, two- layer 41,42 polythene strip density are bigger on it, main effect is to make the polythene strip on upper strata and inner wall of oil tank can keep better seal, and the density of bottom two- layer 43 and 44 is less, can make tongue-like pieces that suppleness is preferably arranged when bending.
In addition, combination between ligulate seal strip 4 its layers and the layer is made by the surface of foaming is fused, avoid the mode of using other adhesive bonding, its objective is when with other adhesive when bonding, adhesive dissolves with the interior oil product generation chemical action of petrol storage tank easily and comes off or contaminated product, and the design has then avoided this kind situation, so the design's interior floating plate, the polyhexene ligulate seal strip of its use is owing to its steady chemical structure, applicable to the storage of most of chemical products.
Claims (4)
1. interior floating plate that petrol storage tank is used, comprise floating drum (1), floating drum (1) top is provided with disk (2), described disk (2) is connected with ligulate seal strip (4) by the surrounding edge (3) that its periphery is provided with, the outer rim of described ligulate seal strip (4) contacts with oil storage tank inner-wall (5), it is characterized in that: described ligulate seal strip (4) is by two-layer above stacked composition of polythene strip.
2. the interior floating plate that petrol storage tank according to claim 1 is used is characterized in that: described ligulate seal strip (4) by two-layer with the different polythene strip of upper density stacked composition.
3. the interior floating plate that petrol storage tank according to claim 1 is used is characterized in that: described ligulate seal strip (4) is made by the surface of foaming is fused with the different polythene strip of upper density by two-layer.
4. the interior floating plate of using according to claim 1 or 2 or 3 described petrol storage tanks, it is characterized in that: the layers of polyethylene sheet is stacked forms by four for described ligulate seal strip (4), two-layer on it (41,42) polythene strip density is bigger, and the density of its underpart two-layer (43,44) is less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200532225U CN201068297Y (en) | 2007-06-19 | 2007-06-19 | Inner floating disc for oil storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200532225U CN201068297Y (en) | 2007-06-19 | 2007-06-19 | Inner floating disc for oil storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201068297Y true CN201068297Y (en) | 2008-06-04 |
Family
ID=39489671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200532225U Expired - Lifetime CN201068297Y (en) | 2007-06-19 | 2007-06-19 | Inner floating disc for oil storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201068297Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110871968A (en) * | 2018-08-31 | 2020-03-10 | 中国石油化工股份有限公司 | Method for avoiding discharge of VOCs (volatile organic compounds) |
-
2007
- 2007-06-19 CN CNU2007200532225U patent/CN201068297Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110871968A (en) * | 2018-08-31 | 2020-03-10 | 中国石油化工股份有限公司 | Method for avoiding discharge of VOCs (volatile organic compounds) |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080604 |