Floating disc in storage tank
By installing a groove ring at the connection between the outer and inner disc bodies of the floating disc in the tank and utilizing the cooperation of the inner and outer air bags, the problem of the floating disc tilting is solved, and the stability is improved and the service life is extended.
Patent Information
- Application Number
- CN202520153343.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2035-01-23
AI Technical Summary
The existing floating plate in the storage tank is easy to tilt during use and has poor stability, which affects normal use.
Multiple groove rings are installed at the connection between the outer disc and the inner disc and fixed by welding. The inner and outer airbags are used in conjunction with each other. The outer airbags are arranged equidistantly around the inner airbag to form a stable floating disc structure.
It effectively prevents the floating plate from tilting, improves stability, reduces the risk of mechanical damage and extends service life.
Smart Images

Figure CN223479841U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of floating roof technology, and in particular to a floating roof for storage tanks. Background Art
[0002] A floating roof is an object that can float freely on the surface of liquid inside a storage tank. Its main advantages are that it can realize automatic liquid level control, avoid the danger of over-injection or overflow of liquid, save manpower and material costs, and improve work efficiency. Floating roofs can be widely used in various storage tanks in industries such as chemical, petroleum, food, and pharmaceutical, and are particularly suitable for the storage and transportation of hazardous chemicals and other substances.
[0003] Most existing floating roofs for storage tanks are made of stainless steel. However, in practical applications, the inventors have found that most existing floating roofs tend to tilt during use, resulting in poor stability and affecting normal operation. Therefore, we propose a new type of floating roof for storage tanks. Utility Model Content
[0004] In order to overcome the defects of the prior art mentioned above, the inventors conducted in-depth research and, after a great deal of creative work, completed this utility model.
[0005] Specifically, the technical problem to be solved by this utility model is to provide a floating roof for storage tanks, so as to solve the technical problem that most current floating roofs tend to tilt during use, have poor stability, and affect normal use.
[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution:
[0007] A floating roof for a storage tank includes an outer plate body, an inner plate body welded and installed on the outer plate body, and a plurality of grooved rings installed at the connection between the outer plate body and the inner plate body, wherein the plurality of grooved rings are equidistantly arranged along the axial direction of the inner plate body.
[0008] An inner airbag is installed in the middle of the inner disc, and an outer airbag is installed at the bottom of the groove ring. Both the inner and outer airbags are equipped with inflation valves.
[0009] As an improved technical solution, the top of the outer disk body is provided with multiple through holes, and the multiple through holes are equidistantly arranged along the axial direction of the outer disk body.
[0010] As an improved technical solution, the top of the outer disk body is provided with multiple small hollow holes, and the multiple small hollow holes are equidistantly arranged along the axial direction of the outer disk body, and the small hollow holes are located inside the through hole.
[0011] As an improved technical solution, a cylindrical groove corresponding to the inner airbag is provided at the top center of the inner disc, and the cylindrical groove is adapted to the inner airbag.
[0012] As an improved technical solution, the top of the inner disc is provided with a central hollow hole, which is located on the outside of the cylindrical groove.
[0013] As an improved technical solution, a snap-fit groove corresponding to the grooved ring is formed at the connection between the outer disc and the inner disc, and the snap-fit groove is adapted to the grooved ring.
[0014] As an improved technical solution, a large hollow hole is formed at the connection between the outer disc and the inner disc, and the large hollow hole is located next to the snap-fit groove.
[0015] After adopting the above technical solution, the beneficial effects of this utility model are:
[0016] 1. This utility model involves assembling a grooved ring onto the connection between the outer and inner disc bodies, and welding the connection between the outer and inner disc bodies. At this time, the grooved ring is fixed in the snap-fit groove formed by the connection between the outer and inner disc bodies, and a large hollow hole is formed. Then, the inner airbag and the outer airbag are installed on the inner and outer disc bodies in sequence. At this time, the inner airbag is installed in the cylindrical groove, and the outer airbag is installed at the bottom of the grooved ring. The outer airbags are equidistantly arranged around the inner airbag to prevent the floating plate from tilting and to ensure strong stability. This ensures the normal use of the floating plate.
[0017] 2. This utility model forms a floating roof base by means of an outer plate, an inner plate, and a grooved ring. The floating roof base is provided with small hollow holes, medium hollow holes, and large hollow holes to reduce the weight of the floating roof base, thereby reducing mechanical damage caused by weightlessness during transportation, installation, and use, and thus extending the service life of the floating roof. Attached Figure Description
[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:
[0019] Figure 1 This is a schematic diagram of the overall main structure of this utility model.
[0020] Figure 2 This is a schematic diagram of the overall bottom view of the present invention.
[0021] Figure 3 This is a schematic diagram of the disk structure of this utility model.
[0022] Explanation of reference numerals in the attached figures:
[0023] In the diagram: 1. Outer disc; 101. Through hole; 102. Small perforated hole; 2. Inner disc; 201. Cylindrical groove; 202. Medium perforated hole; 3. Groove ring; 4. Inner airbag; 5. Outer airbag; 6. Snap-fit groove; 7. Large perforated hole. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.
[0026] Meanwhile, the meaning of "and / or" or "and / or" appearing throughout the text is that it includes three options. Taking "A and / or B" as an example, it includes option A, option B, or an option that satisfies both A and B.
[0027] Furthermore, in this utility model, descriptions involving "first," "second," etc., are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.
[0028] Reference Figure 1-3 A floating roof for a storage tank is provided. The floating roof includes an outer plate 1, an inner plate 2 welded and installed on the outer plate 1, and a plurality of grooved rings 3 installed at the connection between the outer plate 1 and the inner plate 2. The plurality of grooved rings 3 are equidistantly arranged along the axial direction of the inner plate 2 so as to form a floating roof base through the outer plate 1, the inner plate 2 and the grooved rings 3.
[0029] An inner airbag 4 is installed in the middle of the inner disc 2, and an outer airbag 5 is installed at the bottom of the groove ring 3 respectively. Both the inner airbag 4 and the outer airbag 5 are equipped with inflation valves. The outer airbag 5 is arranged equidistantly around the inner airbag 4 to prevent the floating disc from tilting.
[0030] Reference Figure 3 The top of the outer disk body 1 is provided with multiple through holes 101, and the multiple through holes 101 are equidistantly arranged along the axial direction of the outer disk body 1 in order to reduce the weight of the floating disk base.
[0031] Reference Figure 3 The top of the outer plate 1 is provided with a plurality of small hollow holes 102, and the plurality of small hollow holes 102 are equidistantly arranged along the axial direction of the outer plate 1. The small hollow holes 102 are located inside the through hole 101 to reduce the weight of the floating plate base, thereby reducing mechanical damage caused by weightlessness during transportation, installation and use, and thus extending the service life of the floating plate.
[0032] Reference Figure 1-3 The inner plate 2 has a cylindrical groove 201 corresponding to the inner airbag 4 at the top center, and the cylindrical groove 201 is adapted to the inner airbag 4 to facilitate the installation of the inner airbag 4.
[0033] Reference Figure 3 The top of the inner plate 2 is provided with a central hollow hole 202, which is located on the outside of the cylindrical groove 201 to reduce the weight of the floating plate base, thereby reducing mechanical damage caused by weightlessness during transportation, installation and use, and thus extending the service life of the floating plate.
[0034] Reference Figure 1-3 The connection between the outer disc 1 and the inner disc 2 forms a snap-fit groove 6 corresponding to the grooved ring 3, and the snap-fit groove 6 is adapted to the grooved ring 3 to facilitate the installation of the grooved ring 3.
[0035] Reference Figure 1-3 A large perforated hole 7 is formed at the connection between the outer disc body 1 and the inner disc body 2, and the large perforated hole 7 is located next to the snap-fit groove 6 to reduce the weight of the floating table base, thereby reducing mechanical damage caused by weightlessness during transportation, installation and use, and thus extending the service life of the floating table.
[0036] In practical use, the grooved ring 3 is assembled to the connection between the outer disc 1 and the inner disc 2, and the connection between the outer disc 1 and the inner disc 2 is welded. At this time, the grooved ring 3 is fixed in the snap-fit groove 6 formed by the connection between the outer disc 1 and the inner disc 2, and a large hollow hole 7 is formed. Then, the inner airbag 4 and the outer airbag 5 are installed on the inner disc 2 and the outer disc 1 in sequence. At this time, the inner airbag 4 is installed in the cylindrical groove 201, and the outer airbag 5 is installed at the bottom of the grooved ring 3. The outer airbag 5 is equidistantly arranged around the inner airbag 4 to prevent the floating table from tilting and to ensure strong stability. This device can not only prevent the floating table from tilting and has strong stability, but also ensure the normal use of the floating table.
[0037] It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. Furthermore, it should be understood that after reading the technical description of this utility model, those skilled in the art can make various alterations, modifications, and / or variations to this utility model, and all such equivalent forms also fall within the scope of protection defined by the appended claims.
Claims
1. A floating roof inside a storage tank, characterized in that: It includes an outer disc body (1), an inner disc body (2) is welded and installed on the outer disc body (1), and a plurality of grooved rings (3) are installed at the connection between the outer disc body (1) and the inner disc body (2), and the plurality of grooved rings (3) are equidistantly arranged along the axial direction of the inner disc body (2); An inner airbag (4) is installed in the middle of the inner disc (2), and an outer airbag (5) is installed at the bottom of the groove ring (3). Both the inner airbag (4) and the outer airbag (5) are equipped with inflation valves.
2. The floating roof inside the storage tank according to claim 1, characterized in that: The top of the outer disc (1) is provided with a plurality of through holes (101), and the plurality of through holes (101) are equidistantly arranged along the axial direction of the outer disc (1).
3. The floating roof inside the storage tank according to claim 2, characterized in that: The top of the outer disc (1) is provided with a plurality of small hollow holes (102), and the plurality of small hollow holes (102) are equidistantly arranged along the axial direction of the outer disc (1), and the small hollow holes (102) are located inside the through hole (101).
4. The floating roof inside the storage tank according to claim 1, characterized in that: The inner disc (2) has a cylindrical groove (201) corresponding to the inner airbag (4) at its top center, and the cylindrical groove (201) is adapted to the inner airbag (4).
5. The floating roof inside the storage tank according to claim 4, characterized in that: The top of the inner disc (2) is provided with a central hollow hole (202), which is located on the outside of the cylindrical groove (201).
6. The floating roof inside the storage tank according to claim 1, characterized in that: The connection between the outer disc (1) and the inner disc (2) forms a snap-fit groove (6) corresponding to the grooved ring (3), and the snap-fit groove (6) is adapted to the grooved ring (3).
7. The floating roof inside the storage tank according to claim 6, characterized in that: A large perforated hole (7) is formed at the connection between the outer disc (1) and the inner disc (2), and the large perforated hole (7) is located next to the snap-fit groove (6).