A fully liquid-contact floating roof corner sealing and reinforcement structure

Abstract

This utility model discloses a corner sealing and reinforcement structure for a fully liquid-contact floating roof. The structure includes a sealing plate. The floating roof comprises multiple buoyancy units, each including a base plate, a pair of first side plates, and a pair of second side plates. The sealing plate is fixedly connected to the base plate, the first side plates, and the second side plates. Several connecting rods are fixedly connected to one end face of the sealing plate, and connecting blocks are fixedly connected to one end face of each connecting rod. A protective block is attached to one end face of each connecting block, and the protective block abuts against the base plate, the first side plates, and the second side plates. The sealing plate, the base plate, the first side plates, and the second side plates form an injection cavity, into which sealant is injected. Compared with existing technologies, this fully liquid-contact floating roof corner sealing and reinforcement structure can form a sealed space at the corners of the buoyancy unit side plates of the floating roof, and inject sealant into this sealed space, increasing the sealing performance of the floating roof.

Description

Technical Field

[0001] This utility model belongs to the technical field of fully liquid-contact floating roofs, specifically relating to a corner sealing and reinforcement structure for a fully liquid-contact floating roof. Background Technology

[0002] A floating roof is a floating top cover that floats on the surface of the oil in an oil storage tank, rising and falling with the oil. It effectively reduces the evaporation of oil in the tank and minimizes oil loss due to evaporation. The fully submerged floating roof is in complete contact with the oil and is immersed to a certain depth below the liquid surface, eliminating the gas phase space beneath the floating roof and thus better preventing oil and gas evaporation.

[0003] The fully liquid-contact floating roof is composed of multiple buoyancy units assembled together. Each buoyancy unit is a sealed box welded from aluminum plates, stainless steel plates, etc., with honeycomb-shaped baffles inside to enhance its strength. The bottom and side plates of the box are cut and bent from the same piece of sheet material, ensuring good sealing between them. The seam between the top and side plates floats above the liquid surface, while the seam between adjacent side plates is a welded seam and is constantly submerged in the liquid. Therefore, the welds between the side plates are a key factor affecting the sealing performance of the buoyancy unit shell.

[0004] The welds between adjacent side plates are submerged in liquid for a long time and are subject to liquid corrosion. Leaks are prone to occur at the welds. When liquid enters the buoyancy unit from the welds, the buoyancy unit will lose buoyancy, which will damage the entire floating table and render it unusable.

[0005] Therefore, in order to address the above-mentioned technical problems, it is necessary to provide a fully liquid-contact floating roof corner sealing and reinforcement structure.

[0006] The information disclosed in this background section is intended only to enhance the understanding of the overall background of this utility model and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Utility Model Content

[0007] The purpose of this invention is to provide a fully liquid-contact floating roof corner sealing and reinforcement structure, which can solve the problems mentioned in the background art.

[0008] To achieve the above objectives, the technical solution provided by a specific embodiment of this utility model is as follows:

[0009] A fully liquid-contact floating roof corner sealing and reinforcement structure is disclosed. The floating roof includes multiple buoyancy units, each buoyancy unit including a shell. A cover plate is welded to one end face of the shell. The shell includes a bottom plate, a pair of first side plates, and a pair of second side plates. The first and second side plates are fixedly connected to the bottom plate. The fully liquid-contact floating roof corner sealing and reinforcement structure includes a sealing plate. The sealing plate is fixedly connected to the bottom plate, the first side plates, and the second side plates. Several connecting rods are fixedly connected to one end face of the sealing plate. Connecting blocks are fixedly connected to one end face of each connecting rod. A protective block is attached to one end face of each connecting block. The protective block abuts against the bottom plate, the first side plates, and the second side plates. The sealing plate, the bottom plate, the first side plates, and the second side plates form an injection cavity, into which sealant is injected.

[0010] In one or more embodiments of this utility model, the connecting rod includes an outer sleeve and a sliding rod. The outer sleeve is fixedly connected to a sealing plate, and the sliding rod is fixedly connected to a connecting block. The sliding rod is slidably connected inside the outer sleeve, and a spring is fixedly connected inside the outer sleeve, with the spring abutting against the sliding rod.

[0011] In one or more embodiments of this utility model, a limiting plate is integrally formed on one end face of the sealing plate, and the limiting plate abuts against the bottom plate, the first side plate, and the second side plate.

[0012] In one or more embodiments of the present invention, the sealing plate includes a straight plate portion, and a pair of folded edges are integrally formed on opposite end faces of the straight plate portion, and the pair of folded edges are fixedly connected to the first side plate and the second side plate respectively.

[0013] In one or more embodiments of this utility model, a waterproof pad is abutted on one side end face of each of the pair of folded edges, and the waterproof pad abuts on the first side plate and the second side plate respectively.

[0014] In one or more embodiments of the present invention, the folded edge includes a first folded edge and a second folded edge, wherein the second folded edge is fixedly connected to the first side plate and the second side plate respectively.

[0015] In one or more embodiments of this utility model, the included angle between the first folded edge and the straight plate portion is 135° to 150°.

[0016] In one or more embodiments of this utility model, the plane containing the second folded edge is parallel to the plane containing the straight plate portion.

[0017] In one or more embodiments of this utility model, a reinforcing rib is fixedly connected to the opposite end face of the first folded edge.

[0018] In one or more embodiments of this utility model, a protective gasket is snapped onto one side end face of the sealing plate, the top end face of the protective gasket abuts against the bottom end face of the cover plate, and a connecting part that matches the sealing plate is fixedly connected to one side end face of the protective gasket.

[0019] Compared with the prior art, the corner sealing and reinforcement structure of the fully liquid-contact floating roof of this utility model can form a sealed space at the corner of the buoyancy unit side plate welded by the floating roof, forming a secondary seal. Furthermore, sealant is injected into this sealed space to form a tertiary seal. Through multiple layers of sealing, the sealing performance at the corner weld of the buoyancy unit is enhanced, thereby improving the overall sealing effect of the floating roof and extending its service life. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a perspective view of a fully liquid-contacting float corner sealing and reinforcement structure according to an embodiment of the present invention;

[0022] Figure 2 A three-dimensional diagram of the buoyancy unit of a fully liquid-contact floating roof;

[0023] Figure 3 Exploded view of the buoyancy unit of a fully liquid-contact floating roof;

[0024] Figure 4 This is an exploded view of the buoyancy unit shell structure;

[0025] Figure 5 for Figure 4 Enlarged view of the structure at point A in the middle;

[0026] Figure 6 This is a 3D view of the protective pad.

[0027] Explanation of key figure labels:

[0028] 1. Shell; 101. Base plate; 102. First side plate; 103. Second side plate; 2. Cover plate; 3. Honeycomb core; 4. Fully liquid-contacting float corner sealing and reinforcement structure; 401. Straight plate section; 402. Protective block; 403. Connecting block; 404. Outer sleeve; 405. Sliding rod; 406. Spring; 407. Limiting plate; 408. Leak-proof pad; 409. First folded edge; 410. Second folded edge; 411. Reinforcing rib; 5. Protective gasket; 501. Connecting part; 6. Glue injection cavity. Detailed Implementation

[0029] To enable those skilled in the art to better understand the technical solutions of this utility model, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0030] like Figure 1 As shown, in one embodiment of this utility model, a fully liquid-contacting floating disk corner sealing and reinforcement structure 4 is used to seal and prevent leakage at the corners of the floating disk buoyancy unit.

[0031] like Figure 2 and Figure 3 As shown, the fully liquid-contact floating roof is composed of multiple buoyancy units. Each buoyancy unit includes a shell 1, with a cover plate 2 welded to one end face of the shell 1. The shell 1 and the cover plate 2 together form a closed space, within which a honeycomb core 3 is installed. The honeycomb core 3 provides support for the closed space, thereby increasing the stability of the buoyancy unit.

[0032] The housing 1 includes a base plate 101, a pair of first side plates 102, and a pair of second side plates 103. The base plate 101, first side plates 102, and second side plates 103 are cut and stamped from a single piece of sheet metal. The first side plates 102 and second side plates 103 are welded together. The fully liquid-contacting float corner sealing and reinforcement structure 4 is welded inside the housing 1 and includes a sealing plate and a protective block 402. The sealing plate is welded together with the base plate 101, first side plates 102, and second side plates 103. After the cover plate 2 is welded together with the housing 1, the sealing plate, base plate 101, first side plates 102, second side plates 103, and cover plate 2 combine to form a glue injection cavity 6. When leakage occurs at the weld between the first side plates 102 and second side plates 103, the leaked liquid enters the glue injection cavity 6 and does not enter other areas of the buoyancy unit.

[0033] Although the sealing plate cannot be welded to the cover plate 2, because the buoyancy unit floats on the liquid surface and is not completely submerged in the liquid, even if liquid seeps into the weld between the first side plate 102 and the second side plate 103, it will not submerge the sealing plate, thus not affecting the use of the buoyancy unit and increasing the sealing performance of the floating plate.

[0034] Furthermore, sealant is injected into the injection cavity 6, filling the entire cavity. This increases the sealing of the weld between the first side plate 102 and the second side plate 103, and also increases the sealing of the weld between the sealing plate and the bottom plate 101, the first side plate 102, and the second side plate 103. Since the injection cavity 6 is filled with sealant and has no empty space, even if leakage occurs at the weld between the first side plate 102 and the second side plate 103, the liquid cannot enter the injection cavity 6, thus not affecting the buoyancy unit.

[0035] Several connecting rods are welded to one end face of the sealing plate, and connecting blocks 403 are welded to one end face of the connecting rods. Protective blocks 402 are pasted to one end face of the connecting blocks 403. Protective blocks 402 abut against the base plate 101, the first side plate 102, and the second side plate 103. When leakage occurs at the weld between the first side plate 102 and the second side plate 103, the protective blocks 402 block the leaked liquid and further prevent the liquid from entering other areas of the glue injection cavity 6.

[0036] like Figure 4 and Figure 5 As shown, the connecting rod includes an outer sleeve 404 and a sliding rod 405. The outer sleeve 404 is welded to the sealing plate, and the sliding rod 405 is welded to the connecting block 403. The sliding rod 405 is slidably connected inside the outer sleeve 404, thereby making the length of the connecting rod variable. A spring 406 is welded inside the outer sleeve 404. The spring 406 abuts against the sliding rod 405 and applies a certain pushing force to the sliding rod 405, thereby pushing the protective block 402 to make close contact with the first side plate 102 and the second side plate 103, preventing the protective block 402 from not making close contact with the first side plate 102 and the second side plate 103 due to positional displacement during the welding of the sealing plate.

[0037] A limiting plate 407 is integrally formed on one end face of the sealing plate. The limiting plate 407 abuts against the bottom plate 101, the first side plate 102, and the second side plate 103. When welding the sealing plate, the limiting plate 407 can be used to confirm and fix the welding position of the sealing plate. When the limiting plate 407 is in close contact with the bottom plate 101, the first side plate 102, and the second side plate 103, it can be proven that the sealing plate is in an accurate position, thus facilitating the welding of the sealing plate.

[0038] The sealing plate includes a straight plate portion 401. A pair of folded edges are integrally formed on opposite end faces of the straight plate portion 401. These folded edges are welded together to the first side plate 102 and the second side plate 103, respectively. One end face of each pair of folded edges abuts against a waterproof gasket 408, which abuts against the first side plate 102 and the second side plate 103, respectively. One waterproof gasket 408 is engaged within the space formed between the folded portion and the first side plate 102, protecting the weld at the connection between the folded portion and the first side plate 102. Even if liquid enters the injection cavity 6, the liquid is blocked by the waterproof gasket 408 and cannot contact the weld at that location, thereby further increasing the sealing performance. Similarly, the waterproof gasket 408 engaged within the space formed between the second side plate 103 and the folded portion protects the weld at the connection between the folded portion and the second side plate 103.

[0039] The folded edge includes a first folded edge 409 and a second folded edge 410. The second folded edge 410 is welded together with the first side plate 102 and the second side plate 103 respectively. The first folded edge 409 can reduce the opening of the space formed between the bent plate and the first side plate 102 and the second side plate 103, so that the waterproof gasket 408 can be more securely locked between the bent edge and the first side plate 102 and the second side plate 103. Preferably, the included angle between the first folded edge 409 and the straight plate portion 401 is 135° to 150°. Within this range, the opening between the first folded edge 409 and the first side plate 102 and the second side plate 103 is smaller. At the same time, the first folded edge 409 and the first side plate 102 and the second side plate 103 can form a wedge-shaped space. When the liquid seeps into the glue injection cavity 6, a certain pressure is applied to the anti-seepage pad 408, so that the anti-seepage pad 408 and the first folded edge 409, the first side plate 102 and the second side plate 103 are in closer contact, thereby preventing the liquid from contacting the weld at the connection between the sealing plate and the first side plate 102 and the second side plate 103, and increasing the sealing performance.

[0040] The plane where the second folded edge 410 is located is parallel to the plane where the straight plate part 401 is located, which can reduce the space occupied by the bending part and facilitate welding.

[0041] A pair of first folded edges 409 are welded with reinforcing ribs 411 on opposite end faces. On the one hand, the reinforcing ribs 411 provide support for the first folded edges 409 to prevent deformation of the first folded edges 409 and the straight plate 401 during welding. On the other hand, it makes it convenient to take the sealing plate during welding operations.

[0042] like Figure 6As shown, a protective gasket 5 is snapped onto one end face of the sealing plate. A connecting part 501, matching the sealing plate, is fixedly connected to one end face of the protective gasket 5. The connecting part 501 consists of two elongated limiting blocks. During installation, the elongated limiting blocks snap onto the opposite end faces of the straight plate part 401, thereby snapping the protective gasket 5 onto the sealing plate. With the protective gasket 5 snapped onto the sealing plate, when the cover plate 2 is welded to the housing 1, the protective gasket 5 and the cover plate 2 are in close contact.

[0043] Under normal circumstances, the buoyancy unit floats on the surface of the liquid and is not completely submerged. Even if liquid seeps into the weld between the first side plate 102 and the second side plate 103, it will not submerge the sealing plate. Due to the presence of the protective gasket 5, there is no gap between the sealing plate and the cover plate 2. Even if the seeping liquid reaches the height of the sealing plate, it will not enter other areas of the buoyancy unit.

[0044] When using, such as Figure 3 As shown, the corner sealing and reinforcement structure 4 of the fully liquid-contacting float is installed at the corner where the first side plate 102 and the second side plate 103 connect. It performs multiple seals on the weld seam at the connection between the first side plate 102 and the second side plate 103. The sealing plate is welded to the base plate 101 and simultaneously welded to both the first side plate 102 and the second side plate 103. Even if leakage occurs at the weld seam where the first side plate 102 and the second side plate 103 connect, the sealing plate can still block the leaked liquid within the glue injection cavity 6 formed by the sealing plate, the base plate 101, the first side plate 102, and the second side plate 103, achieving a secondary seal and preventing the leaked liquid from flowing into the float. Other differences in the buoyancy unit control the amount of liquid seepage and enhance the overall sealing of the buoyancy unit. At the same time, sealant is injected into the injection cavity 6, filling the entire injection cavity 6. This increases the sealing of the weld between the first side plate 102 and the second side plate 103, and also increases the sealing of the weld between the sealing plate and the bottom plate 101, the first side plate 102, and the second side plate 103. Since the injection cavity 6 is filled with sealant and has no empty space, even if leakage occurs at the weld between the first side plate 102 and the second side plate 103, liquid cannot enter the injection cavity 6, achieving triple sealing and further increasing the sealing of the floating roof. The sealing plate is connected to the protective block 402 via a connecting rod. The protective block 402 abuts against the bottom plate 101, the first side plate 102, and the second side plate 103, further isolating the weld at the connection between the first side plate 102 and the second side plate 103. This prevents the liquid that seeps through the weld at the connection between the first side plate 102 and the second side plate 103 from entering the glue injection cavity 6, further enhancing the sealing effect of the floating plate.

[0045] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0046] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A fully liquid-contact floating roof corner sealing and reinforcement structure. The floating roof includes multiple buoyancy units, each buoyancy unit including a housing. A cover plate is welded to one end face of the housing. The housing includes a bottom plate, a pair of first side plates, and a pair of second side plates. The first side plates and the second side plates are both fixedly connected to the bottom plate, and the first side plates and the second side plates are fixedly connected. It is characterized in that: The fully liquid-contact floating roof corner sealing and reinforcement structure includes a sealing plate. The sealing plate is fixedly connected to the bottom plate, the first side plates, and the second side plates. A number of connecting rods are fixedly connected to one end face of the sealing plate. A connecting block is fixedly connected to one end face of the connecting rod. A protective block is pasted on one end face of the connecting block. The protective block abuts against the bottom plate, the first side plates, and the second side plates. The sealing plate and the bottom plate, the first side plates, and the second side plates form a glue injection cavity, and sealing glue is injected into the glue injection cavity.

2. The corner seal reinforcement structure for a full fluid-floating disc according to claim 1, wherein The connecting rod includes an outer sleeve and a sliding rod. The outer sleeve is fixedly connected to the sealing plate. The sliding rod is fixedly connected to the connecting block. The sliding rod is slidably connected inside the outer sleeve. A spring is fixedly connected inside the outer sleeve. The spring abuts against the sliding rod.

3. The corner seal reinforcement structure for a full fluid-floating disc according to claim 2, wherein A limiting plate is integrally formed on one end face of the sealing plate. The limiting plate abuts against the bottom plate, the first side plates, and the second side plates.

4. The corner seal reinforcement structure for a full fluid-floating disc according to claim 3, wherein The sealing plate includes a straight plate portion. A pair of folded edge portions are integrally formed on the opposite end faces of the straight plate portion. The pair of folded edge portions are respectively fixedly connected to the first side plates and the second side plates.

5. The corner seal reinforcement structure for a full fluid-floating disc according to claim 4, wherein An anti-seepage pad abuts against one end face of each of the pair of folded edge portions. The anti-seepage pad abuts against the first side plates and the second side plates respectively.

6. The corner seal reinforcement structure for a full fluid-floating disc according to claim 5, wherein The folded edge portion includes a first folded edge and a second folded edge. The second folded edge is respectively fixedly connected to the first side plates and the second side plates.

7. The seal reinforcement structure for the corner of a full fluid-floating disc according to claim 6, wherein The included angle between the first folded edge and the straight plate portion is 135° to 150°.

8. The full fluid floating disc corner seal reinforcement structure according to claim 7, wherein, The plane where the second folded edge is located is parallel to the plane where the straight plate portion is located.

9. The full fluid floating disc corner seal reinforcement structure according to claim 8, wherein, A reinforcing rib is fixedly connected to the opposite end face of the first folded edge.

10. A full fluid floating disc corner sealing reinforcement structure according to any one of claims 1 to 9, characterized in that, A protective gasket is clamped on one end face of the sealing plate. The top end face of the protective gasket abuts against the bottom end face of the cover plate. A connecting portion matching the sealing plate is fixedly connected to one end face of the protective gasket.

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