CN214113617U - Steel double-disc type inner floating roof - Google Patents
Steel double-disc type inner floating roof Download PDFInfo
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- CN214113617U CN214113617U CN202021998485.5U CN202021998485U CN214113617U CN 214113617 U CN214113617 U CN 214113617U CN 202021998485 U CN202021998485 U CN 202021998485U CN 214113617 U CN214113617 U CN 214113617U
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Abstract
The utility model discloses a steel double-disc inner floating roof, including floating plate body and floating plate annex, the floating plate body by floating plate roof, floating plate bottom plate, outer edge plate, a center cylinder, annular baffle, radial baffle constitute, the floating plate annex include floating plate pillar, foam baffle, peripheral sealing system, guider, stop device constitute, floating plate roof and floating plate bottom plate weld together by a plurality of steel sheets, separate into a plurality of independent buoyancy tanks through outer edge plate, annular baffle, radial baffle between floating plate roof and the floating plate bottom plate, the buoyancy tank be equipped with support frame, buoyancy tank pillar and buoyancy tank manhole; a peripheral sealing system is arranged between the floating disc body and the wall of the storage tank, and two guide devices matched with the storage tank guide columns are arranged on the floating disc body. The utility model has the advantages that: because the floating cabin bottom plate of the double-disc structure is a plane, the floating cabin has more uniform buoyancy, better rigidity, good sinking and floating resistance and heat insulation effect.
Description
Technical Field
The utility model relates to the top field floats in the vertical cylinder storage tank, specifically indicates a steel double-disk internal floating top.
Background
The vertical cylindrical storage tank is used as a main storage means of refineries and petrochemical storage enterprises, evaporation loss accounts for half of total loss in the storage process, the evaporation loss of the vertical cylindrical storage tank is reduced, the problem to be solved by an inner floating roof product always exists, inner floating roofs of various structures and materials are continuously generated in the industry, the problem of partial loss is solved, and the application range or the functionality of the vertical cylindrical storage tank is limited to a certain extent.
The conventional inner floating roof is generally made of aluminum and stainless steel, and has the following basic structural characteristics:
1. buoys or buoyancy tanks are commonly used as internal floating roof buoyancy elements;
2. the thickness of the section is generally less than or equal to 3mm and is used as an inner floating roof framework, and the frameworks are connected by bolts;
3. cover plate using sheet less than 0.6mm as inner floating roof for integral sealing
Such are collectively referred to as an assembled floating roof; the assembled inner floating roof comprises a frame beam, a floating barrel, a cover plate and the like, oil gas leakage exists at the lap joint of the cover plate or the splicing joint of the floating box, and the joint is necessarily subjected to leakage point or hidden leakage danger because the cover plate is fixed by bolts or rivets; moreover, due to the structure and the dead weight of the assembled inner floating roof, the assembled inner floating roof is easy to damage during purging, and may not adapt to the replacement of a novel reliable seal or cause buoyancy problems; in excess of 50000m3In the large or small vertical cylindrical storage tank, the strength or buoyancy of the single-disc type inner floating roof steel structure cannot meet the use requirement due to the fact that the diameter of the storage tank is too large or too small.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an upper technical problem provides a steel double-disk inner floating roof, has not only solved the oil gas leakage problem of assembled inner floating roof to there are more excellent structural strength and buoyancy in floating roof and the assembled inner floating roof in single-disk, because double-disk structure floating cabin bottom plate is the plane, has more even buoyancy, and the rigidity is better moreover, anti heavy superficial performance is good, thermal-insulated effect.
In order to solve the technical problem, the utility model provides a technical scheme does: a steel double-disc type inner floating roof comprises a floating disc body and floating disc accessories, wherein the floating disc body consists of a floating disc top plate, a floating disc bottom plate, outer edge plates, a central cylinder, an annular partition plate and a radial partition plate, the floating disc accessories comprise a floating disc support, a foam baffle plate, a peripheral sealing system, a guide device and a limiting device, the floating disc top plate and the floating disc bottom plate are welded together by a plurality of steel plates, the steel plates are arranged in a strip shape or a herringbone shape, and the center of the floating disc body is provided with the central cylinder;
the floating plate top plate and the floating plate bottom plate are divided into a plurality of independent floating cabins through outer edge plates, annular partition plates and radial partition plates, and the floating cabins are provided with support frames, floating cabin pillars and floating cabin manholes;
a peripheral sealing system is arranged between the floating disc body and the wall of the storage tank, and two guide devices matched with the storage tank guide columns are arranged on the floating disc body.
Furthermore, the upper surface of the lap joint of the steel plate close to the floating plate top plate adopts continuous full fillet welding, and the lower surface close to the floating plate bottom plate adopts intermittent welding.
Furthermore, the floating cabin is of a fan-shaped structure.
Furthermore, a circle of annular foam baffle plates are arranged on the top plate of the floating plate, and a circle of uniformly distributed limiting devices are arranged on the bottom plate of the floating plate.
Further, the peripheral sealing system is a tape-filled sponge seal or a tongue-shaped tape seal.
Furthermore, the floating plate top plate and the floating plate bottom plate are made of common steel or stainless steel materials.
Compared with the prior art, the utility model the advantage lie in:
1. the floating disc body has large water discharge volume, can provide large buoyancy, and has uniform buoyancy at all positions.
2. The whole floating disc body is welded on site, all welding seams are detected, and oil gas leakage cannot occur.
3. The floating cabin of the floating plate body is divided into a plurality of uniform fan-shaped floating cabins, each fan-shaped floating cabin is an independent sealing system, the floating plate can not sink even if a single floating cabin or a plurality of floating cabins leak, and the sinking and floating resistance performance is good.
4. Each sector floating cabin is provided with a support frame and a strut, and a reinforcing plate is arranged at the floating cabin, so that the overall rigidity of the floating plate is better
5. The space between floating plate bottom plate and the floating plate top plate can provide good heat insulation effect.
Drawings
Fig. 1 is a schematic structural diagram of a steel double-disc type inner floating roof of the present invention.
Fig. 2 is a schematic structural diagram of a steel double-disc inner floating roof of the present invention.
Fig. 3 is a schematic structural diagram of the steel plate of the steel double-disc inner floating roof arranged in a bar shape.
Fig. 4 is a schematic structural diagram of the steel plate of the steel double-disc type inner floating roof arranged in a herringbone manner.
Fig. 5 is a schematic structural view of a cross-sectional structure of a buoyancy module of the steel double-disc inner floating roof of the present invention.
As shown in the figure: 1. the floating deck comprises a floating deck top plate, 2, a floating deck bottom plate, 3, an outer edge plate, 4, a central cylinder, 5, an annular partition plate, 6, a radial partition plate, 7, a floating deck support, 8, a foam baffle, 9, an edge sealing system, 10, a floating cabin, 12, a support frame, 13, a floating cabin support, 14 and a floating cabin manhole.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; the specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A steel double-disc type inner floating roof comprises a floating disc body and floating disc accessories, wherein the floating disc body consists of a floating disc top plate 1, a floating disc bottom plate 2, an outer edge plate 3, a central cylinder 4, an annular partition plate 5 and a radial partition plate 6, the floating disc accessories comprise a floating disc support 7, a foam baffle plate 8, a peripheral sealing system 9, a guiding device and a limiting device, the floating disc top plate 1 and the floating disc bottom plate 2 are welded together by a plurality of steel plates, the steel plates are arranged in a strip shape or a herringbone shape, and the center of the floating disc body is provided with the central cylinder 4;
the floating plate comprises a floating plate top plate 1, a floating plate bottom plate 2, a plurality of independent floating chambers 10, a supporting frame 12, a floating chamber pillar 13 and a floating chamber manhole 14, wherein the floating chamber 10 is divided into the independent floating chambers 10 through an outer edge plate 3, an annular partition plate 5 and a radial partition plate 6;
a peripheral sealing system 9 is arranged between the floating disc body and the wall of the storage tank, and two guide devices matched with the storage tank guide columns are arranged on the floating disc body.
The upper surface of the lap joint of the steel plate close to the floating plate top plate 1 adopts continuous full fillet welding, and the lower surface close to the floating plate bottom plate 2 adopts intermittent welding.
The buoyancy module 10 is a fan-shaped structure.
A circle of annular foam baffle plates 8 are arranged on the floating disc top plate 1, and a circle of uniformly distributed limiting devices are arranged on the floating disc bottom plate 2.
The peripheral sealing system 9 is a tape filled sponge seal or a tongue-shaped tape seal.
The floating plate top plate 1 and the floating plate bottom plate 2 are made of common steel or stainless steel materials.
The utility model discloses a theory of operation: the double-disc type inner floating roof is integrally of a double-layer steel plate structure, and outer edge plates, annular partition plates and radial partition plates are adopted to separate the double-layer steel plates into a plurality of independent floating cabins, the floating cabin bottom plates are horizontal, and the floating cabin bottom plates are at certain gradients. Then, accessories such as a pillar, a manhole, a peripheral seal and the like are used for forming the whole inner floating roof;
the floating plate top plate 1 and the floating plate bottom plate 2 are formed by overlapping and welding a plurality of steel plates, the steel plates are arranged in a strip shape (shown in figure 3) or a herringbone shape (shown in figure 4), the upper surface of the overlapping joint adopts continuous full fillet welding, the lower surface adopts intermittent welding, and the effect of isolating the stored liquid from the outside atmosphere is achieved;
the outer edge plate, the annular partition plate and the radial partition plate divide an upper layer of steel plate and a lower layer of steel plate into a plurality of independent floating chambers, and each floating chamber is provided with a pillar and a floating chamber manhole. The cross-sectional structure of the buoyancy chamber is shown in figure 5;
a peripheral sealing system is arranged in a gap between the outer edge plate of the floating disc body and the wall of the storage tank, and a sponge seal, a tongue-shaped adhesive tape seal or other structures are usually filled with adhesive tapes;
the floating disc body is provided with two guide devices corresponding to the positions of the storage tank guide posts to prevent the floating roof from deviating;
a circle of annular foam baffle is arranged on the top plate of the floating disc;
a circle of evenly distributed limiting devices are arranged on the bottom plate of the floating plate;
the floating disc body can be made of ordinary steel or stainless steel as an inner floating roof.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (6)
1. The utility model provides a two disk internal floating roofs of steel, includes floating plate body and floating plate annex, the floating plate body constitute by floating plate roof (1), floating plate bottom plate (2), outer flange (3), a center tube (4), annular baffle (5), radial baffle (6), the floating plate annex constitute its characterized in that including floating plate pillar (7), foam baffle (8), peripheral sealing system (9), guider, stop device: the floating plate top plate (1) and the floating plate bottom plate (2) are welded together by a plurality of steel plates, the steel plates are arranged in a strip shape or a herringbone shape, and a central cylinder (4) is arranged at the center of the floating plate body;
the floating plate comprises a floating plate top plate (1) and a floating plate bottom plate (2), wherein the floating plate top plate (1) and the floating plate bottom plate (2) are divided into a plurality of independent floating cabins (10) through outer edge plates (3), annular partition plates (5) and radial partition plates (6), and the floating cabins (10) are provided with support frames (12), floating cabin pillars (13) and floating cabin manholes (14);
a peripheral sealing system (9) is arranged between the floating disc body and the wall of the storage tank, and two guide devices matched with the storage tank guide columns are arranged on the floating disc body.
2. The steel double-disc type inner floating roof as claimed in claim 1, wherein: the upper surface of the lap joint of the steel plate close to the floating plate top plate (1) adopts continuous full fillet welding, and the lower surface close to the floating plate bottom plate (2) adopts intermittent welding.
3. The steel double-disc type inner floating roof as claimed in claim 1, wherein: the floating cabin (10) is of a fan-shaped structure.
4. The steel double-disc type inner floating roof as claimed in claim 1, wherein: a circle of annular foam baffle plates (8) are arranged on the floating plate top plate (1), and a circle of uniformly distributed limiting devices are arranged on the floating plate bottom plate (2).
5. The steel double-disc type inner floating roof as claimed in claim 1, wherein: the peripheral sealing system (9) is a tape filling sponge seal or a tongue-shaped tape seal.
6. The steel double-disc type inner floating roof as claimed in claim 1, wherein: the floating plate top plate (1) and the floating plate bottom plate (2) are made of common steel or stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021998485.5U CN214113617U (en) | 2020-09-14 | 2020-09-14 | Steel double-disc type inner floating roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021998485.5U CN214113617U (en) | 2020-09-14 | 2020-09-14 | Steel double-disc type inner floating roof |
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| Publication Number | Publication Date |
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| CN214113617U true CN214113617U (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021998485.5U Active CN214113617U (en) | 2020-09-14 | 2020-09-14 | Steel double-disc type inner floating roof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113955333A (en) * | 2021-10-25 | 2022-01-21 | 四川航锐德环保科技有限公司 | Flexible floating roof and manufacturing method and application thereof |
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2020
- 2020-09-14 CN CN202021998485.5U patent/CN214113617U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113955333A (en) * | 2021-10-25 | 2022-01-21 | 四川航锐德环保科技有限公司 | Flexible floating roof and manufacturing method and application thereof |
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