Stainless full-liquid-receiving efficient elastic piece type inner floating disc
By introducing a stainless steel reinforcement structure and elastic support design into the internal floating roof, the problems of insufficient strength and sealing of the internal floating roof are solved, achieving efficient oil and gas isolation and sealing effects.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LIANYUNGANG ANFEI PETROCHEMICAL EQUIP CO LTD
- Filing Date
- 2025-04-28
- Publication Date
- 2026-05-01
AI Technical Summary
The existing stainless steel fully liquid-contact high-efficiency spring-loaded internal floating roof has insufficient strength and rigidity, poor resistance to deformation, poor sealing performance, and the outer sealing ring does not fit tightly against the inner wall of the oil tank.
The overall strength and rigidity are improved by using stainless steel inner and outer reinforcing rings, reinforcing plates and annular reinforcing ribs. The outer sealing ring is supported by support springs and V-shaped spring sheets, so that it fits tightly against the inner wall of the oil tank, forming a cavity design to isolate the gas phase and liquid phase space.
It significantly improves the strength and rigidity of the internal floating roof, enhances its resistance to deformation, improves its sealing performance with the inner wall of the oil tank, and reduces oil and gas volatilization.
Smart Images

Figure CN224184969U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of internal floating disc technology, specifically to a stainless steel fully liquid-contact high-efficiency spring-loaded internal floating disc. Background Technology
[0002] The fully wetted, high-efficiency spring-loaded internal floating roof is an advanced liquid storage device that combines a fully wetted design concept with high-efficiency spring-loaded sealing technology. It aims to reduce oil and gas evaporation losses during the storage of liquid petrochemical products, improve energy efficiency, reduce safety hazards, and minimize environmental pollution. Fully wetted design: The floating roof body floats in the liquid to a certain immersion height, and reliable sealing measures are in place between buoyancy units and at connections with other components, forming an internal floating roof with its bottom fully immersed in the liquid. High-efficiency spring-loaded seal: A high-efficiency spring-loaded sealing device is designed between the floating roof and the tank wall, which can completely prevent evaporation from the edges exposed to the liquid surface.
[0003] The existing stainless steel fully wetted high-efficiency spring-loaded internal floating roof is not conducive to improving the strength and rigidity of the internal floating roof, has poor anti-deformation effect, cannot make the outer sealing ring fit tightly against the inner wall of the oil tank, and has poor sealing performance between the outer sealing ring and the inner wall of the oil tank. Utility Model Content
[0004] To address the problems in the existing technology, this utility model provides a stainless steel fully liquid-contact high-efficiency spring-loaded internal floating roof. The stainless steel fully liquid-contact high-efficiency spring-loaded internal floating roof has significantly improved strength and rigidity, good anti-deformation effect, and ensures that the outer sealing ring fits tightly against the inner wall of the oil tank, thereby improving the sealing performance between the outer sealing ring and the inner wall of the oil tank.
[0005] The technical solution adopted by this utility model to solve its technical problem is a stainless steel fully liquid-contact high-efficiency spring-type inner floating roof, including a floating roof cover, a floating roof bottom plate and an outer sealing ring. A stainless steel inner reinforcing ring is welded at the top center of the floating roof bottom plate, and a stainless steel outer reinforcing ring is welded around the stainless steel inner reinforcing ring. Reinforcing plates are welded at equal intervals between the stainless steel inner reinforcing ring and the stainless steel outer reinforcing ring, and annular reinforcing ribs are welded through the reinforcing plates.
[0006] The outer side of the stainless steel reinforcing ring is fitted with a lower clamping ring, which is bonded to the top of the floating plate. V-shaped springs are installed at equal intervals on the outer side of the lower clamping ring through support springs. An outer sealing ring is bonded to the top outer edge of the floating plate. One side of the V-shaped spring is supported on the inner side of the outer sealing ring.
[0007] By adopting the above technical solutions, the strength and rigidity of the stainless steel fully wetted high-efficiency spring-loaded internal floating roof are significantly improved, and the deformation resistance is good, so that the outer sealing ring fits tightly with the inner wall of the oil tank, improving the sealing performance between the outer sealing ring and the inner wall of the oil tank.
[0008] Specifically, the top of the floating roof bottom plate is fitted with a floating roof cover, and the bottom of the floating roof cover is bonded with an upper clamping ring directly opposite the lower clamping ring.
[0009] By adopting the above technical solution, the upper clamping ring is pressed against the top of the lower clamping ring, so that a cavity is formed between the floating roof cover and the floating roof bottom plate.
[0010] Specifically, a locking bolt is installed on the top of the floating disc cover and through the upper clamping ring via a screw hole, and a screw hole corresponding to the locking bolt is provided on the top of the lower clamping ring.
[0011] Specifically, triangular reinforcing plates are welded at equal intervals between the inner side of the stainless steel inner reinforcing ring and the bottom plate of the floating table.
[0012] Specifically, the lower clamping ring, the upper clamping ring, and the outer sealing ring are all made of silicone rubber, while the floating disc cover and the floating disc bottom plate are all made of stainless steel.
[0013] By adopting the above technical solution, both the floating roof cover and the floating roof bottom plate are made of stainless steel, which is resistant to acid and alkali corrosion, does not easily rust, has high strength, and good resistance to deformation.
[0014] Specifically, both ends of the support spring are connected to the lower clamping ring and the V-shaped spring sheet respectively through positioning plates and screws.
[0015] The beneficial effects of this utility model are:
[0016] (1) The stainless steel fully liquid-contact high-efficiency spring-type inner floating disk of this utility model uses stainless steel inner reinforcing ring, stainless steel outer reinforcing ring and the reinforcing plate and annular reinforcing rib between them to improve the overall strength and rigidity of the inner floating disk. The anti-deformation effect is significant. Since a cavity is formed between the floating disk cover and the floating disk bottom plate, it floats on the top surface of liquid oil, forming an inner floating disk with the bottom fully immersed in liquid. This design makes the floating disk in close contact with the liquid surface, forming a barrier, effectively isolating the upper gas phase and the lower liquid phase space, thereby reducing oil and gas volatilization.
[0017] (2) The stainless steel fully wetted liquid high-efficiency spring-type inner floating disk of this utility model uses support springs and V-shaped springs to provide elastic support for the outer sealing ring, prevent deformation, and make the outer sealing ring fit tightly against the inner wall of the oil tank, thereby improving the sealing performance between the outer sealing ring and the inner wall of the oil tank. Attached Figure Description
[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0020] Figure 2This is a schematic diagram of the top structure of the floating roof bottom plate of this utility model;
[0021] Figure 3 This utility model Figure 2 A schematic diagram of the structure at point A;
[0022] Figure 4 This is a schematic diagram of the upper clamping ring structure of this utility model.
[0023] In the diagram: 1. Floating disc cover; 2. Locking bolt; 3. Upper clamping ring; 4. Outer sealing ring; 5. Stainless steel outer reinforcing ring; 6. Floating disc bottom plate; 7. Triangular reinforcing plate; 8. Stainless steel inner reinforcing ring; 9. Annular reinforcing rib; 10. Reinforcing plate; 11. V-shaped spring; 12. Lower clamping ring; 13. Positioning plate; 14. Support spring. Detailed Implementation
[0024] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0025] To significantly improve the strength and rigidity of the stainless steel, fully liquid-contact, high-efficiency spring-loaded internal floating roof and enhance its resistance to deformation, the outer sealing ring 4 is designed to fit tightly against the inner wall of the oil tank, thereby improving the seal between them. Figure 1-4 As shown, the stainless steel fully liquid-contact high-efficiency spring-type inner floating roof of this utility model includes a floating roof cover 1, a floating roof bottom plate 6, and an outer sealing ring 4. A stainless steel inner reinforcing ring 8 is welded at the top center of the floating roof bottom plate 6, and a stainless steel outer reinforcing ring 5 is welded around the stainless steel inner reinforcing ring 8. Reinforcing plates 10 are welded at equal intervals between the stainless steel inner reinforcing ring 8 and the stainless steel outer reinforcing ring 5, and annular reinforcing ribs 9 are welded through the reinforcing plates 10.
[0026] The outer stainless steel reinforcing ring 5 is fitted with a lower pressing ring 12, which is bonded to the top of the floating plate bottom plate 6. V-shaped spring pieces 11 are installed at equal intervals on the outer side of the lower pressing ring 12 through the support spring 14. An outer sealing ring 4 is bonded to the top outer edge of the floating plate bottom plate 6. One side of the V-shaped spring piece 11 is supported on the inner side of the outer sealing ring 4.
[0027] When in use, the stainless steel fully wetted high-efficiency spring-type inner floating plate has significantly improved strength and rigidity, and good anti-deformation effect, which makes the outer sealing ring 4 fit tightly against the inner wall of the oil tank, improving the sealing performance between the outer sealing ring 4 and the inner wall of the oil tank.
[0028] For example, such as Figure 1 , 2 As shown in Figure 4, the present invention also includes a floating disk cover 1 that is engaged at the top of the floating disk bottom plate 6, and an upper pressure ring 3 that is bonded to the bottom of the floating disk cover 1 and directly opposite the lower pressure ring 12.
[0029] When in use, the upper clamping ring 3 is pressed against the top of the lower clamping ring 12, so that a cavity is formed between the floating roof cover 1 and the floating roof bottom plate 6.
[0030] For example, such as Figure 1 , 2 As shown in Figure 4, this utility model also includes a locking bolt 2 installed on the top of the floating plate cover 1 and through the upper clamping ring 3 via a screw hole, and a screw hole corresponding to the locking bolt 2 is provided on the top of the lower clamping ring 12.
[0031] During use, the locking bolts 2 and the corresponding screw holes facilitate the mutual locking and fixing of the floating roof cover 1 and the floating roof bottom plate 6.
[0032] For example, such as Figure 2 As shown, the present invention also includes a triangular reinforcing plate 7 welded at equal intervals between the inner side of the stainless steel inner reinforcing ring 8 and the bottom plate 6 of the floating plate.
[0033] During use, the triangular reinforcing plate 7 is used to improve the stability between the stainless steel inner reinforcing ring 8 and the floating plate bottom plate 6.
[0034] For example, such as Figure 2 , 4 As shown, the present invention also includes the lower clamping ring 12, the upper clamping ring 3 and the outer sealing ring 4, all of which are made of silicone rubber, and the floating plate cover 1 and the floating plate bottom plate 6, both of which are made of stainless steel.
[0035] When in use, both the floating roof cover 1 and the floating roof bottom plate 6 are made of stainless steel, which is resistant to acid and alkali corrosion, does not easily rust, has high strength, and good resistance to deformation.
[0036] For example, such as Figure 3 As shown, the present invention also includes that both ends of the support spring 14 are respectively connected to the lower clamping ring 12 and the V-shaped spring sheet 11 via positioning plates 13 and screws.
[0037] During use, the positioning piece 13 and screws facilitate the installation and removal of the support spring 14.
[0038] When in use, this utility model utilizes the stainless steel inner reinforcing ring 8, the stainless steel outer reinforcing ring 5, the reinforcing plate 10 and the annular reinforcing rib 9 between them to improve the overall strength and rigidity of the inner floating plate, resulting in a significant anti-deformation effect.
[0039] Because a cavity is formed between the floating roof cover 1 and the floating roof bottom plate 6, it floats on the top surface of the liquid oil, forming an inner floating roof with the bottom fully immersed in liquid. This design allows the floating roof to be in close contact with the liquid surface, forming a barrier that effectively isolates the upper gas phase from the lower liquid phase space, thereby reducing oil and gas volatilization.
[0040] The support spring 14 and V-shaped spring 11 provide elastic support for the outer sealing ring 4, preventing deformation and ensuring that the outer sealing ring 4 fits tightly against the inner wall of the oil tank, thus improving the sealing performance between the outer sealing ring 4 and the inner wall of the oil tank. The floating plate cover 1 and the floating plate bottom plate 6 are both made of stainless steel, which is resistant to acid and alkali corrosion, does not easily rust, has high strength, and good resistance to deformation.
[0041] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The descriptions of the above embodiments and specifications are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A stainless steel, fully liquid-contact, high-efficiency spring-loaded internal floating disc, characterized in that: It includes a floating roof cover (1), a floating roof bottom plate (6) and an outer sealing ring (4). A stainless steel inner reinforcing ring (8) is welded at the top center of the floating roof bottom plate (6). A stainless steel outer reinforcing ring (5) is welded around the stainless steel inner reinforcing ring (8). A reinforcing plate (10) is welded at equal intervals between the stainless steel inner reinforcing ring (8) and the stainless steel outer reinforcing ring (5). A ring-shaped reinforcing rib (9) is welded through the reinforcing plate (10). The outer side of the stainless steel reinforcing ring (5) is fitted with a lower pressing ring (12) and the lower pressing ring (12) is bonded to the top of the floating plate bottom plate (6). V-shaped spring pieces (11) are installed at equal intervals on the outer side of the lower pressing ring (12) through the support spring (14). An outer sealing ring (4) is bonded to the top outer edge of the floating plate bottom plate (6). One side of the V-shaped spring piece (11) is supported on the inner side of the outer sealing ring (4).
2. The stainless steel fully wetted high-efficiency spring-loaded internal floating disk according to claim 1, characterized in that, The top of the floating plate (6) is fitted with a floating cover (1), and the bottom of the floating cover (1) is bonded with an upper pressure ring (3) directly opposite the lower pressure ring (12).
3. The stainless full-liquid-contact high-efficiency bullet-type inner floating roof according to claim 1, characterized in that, The top of the floating cover (1) and through the upper clamping ring (3) are fitted with a locking bolt (2) via a screw hole, and the top of the lower clamping ring (12) is provided with a screw hole corresponding to the locking bolt (2).
4. The stainless full-liquid-contact high-efficiency bullet-type inner floating collar according to claim 1, characterized in that, The stainless steel inner reinforcing ring (8) is welded with triangular reinforcing plates (7) at equal intervals between its inner side and the bottom plate (6) of the floating plate.
5. The stainless steel fully wetted high-efficiency spring-loaded internal floating disc according to claim 1, characterized in that, The lower clamping ring (12), upper clamping ring (3) and outer sealing ring (4) are all made of silicone rubber, while the floating disk cover (1) and floating disk bottom plate (6) are both made of stainless steel.
6. The stainless steel fully wetted high-efficiency spring-loaded internal floating disk according to claim 1, characterized in that, Both ends of the support spring (14) are connected to the lower clamping ring (12) and the V-shaped spring sheet (11) respectively through positioning plates (13) and screws.