Supporting column floating disc for storage tank

Abstract

The utility model relates to the technical field of floating trays in storage tanks, in particular to a supporting column floating tray for a storage tank, which comprises a floating tray supporting column, a floating tray component is sleeved on the outer wall of the floating tray supporting column, the floating tray component comprises a lower floating tray sleeved at the lower end of the outer wall of the floating tray supporting column, and an upper floating tray is sleeved on the outer wall of the floating tray supporting column positioned on the lower floating tray. A plurality of groups of bolts are arranged at the upper end of the lower floating disc, the upper ends of the bolts penetrate through the upper floating disc, and nuts sleeve the outer walls of the upper ends of the bolts. The whole floating disc assembly is taken out from the upper end of the outer wall of the floating disc supporting column, then the nut is screwed out, the upper floating disc slides upwards along the bolt, the upper floating disc and the lower floating disc are separated, the sealing ring can be taken out for replacement, and therefore the problems that an existing floating disc and an existing sealing ring are often fixedly connected, and the abraded sealing ring is inconvenient to replace are solved. Therefore, the service life of the floating disc is relatively short.

Description

Technical Field

[0001] This utility model relates to the field of floating roof technology for storage tanks, and in particular to a support floating roof for storage tanks. Background Technology

[0002] Currently, for liquids such as crude oil, gasoline, and solvent oil that require evaporation loss control and require prevention of air pollution and fire hazards, external floating roof tanks (a type of storage tank) are generally used for storage. This storage tank consists of an open tank body and a floating roof that can float on the liquid surface. The outer diameter of the floating roof is smaller than the inner diameter of the inner wall of the tank, thus leaving an annular gap between the floating roof and the inner wall of the tank. Sealing elements adapted to the annular gap are installed at the edge of the floating roof. Therefore, the floating roof can maintain its sealing as the liquid level in the storage tank rises and falls, and isolate the liquid stored in the tank from the atmosphere, thereby reducing evaporation loss of the liquid during storage and ensuring storage safety.

[0003] The air between the floating roof and the tank is usually sealed by a sealing ring. However, as the liquid inside the tank increases or decreases, the sealing ring will rub against the inner wall of the tank. Over time, this will cause the sealing ring to wear down, thus reducing its sealing performance. However, the existing floating roof and sealing ring are often fixedly connected, making it inconvenient to replace the worn sealing ring, resulting in a short service life for the floating roof. 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 support floating roof for storage tanks, in order to solve the problem that the air between the floating roof and the tank body is often sealed by a sealing ring. However, during the increase or decrease of liquid in the tank, the sealing ring will rub against the inner wall of the tank. Over time, this will cause wear of the sealing ring, thereby reducing the sealing performance of the sealing ring. However, the existing floating roof and sealing ring are often fixedly connected, which makes it inconvenient to replace the worn sealing ring, resulting in a short service life of the floating roof.

[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 a floating roof support column. A floating roof assembly is fitted onto the outer wall of the floating roof support column. The floating roof assembly includes a lower floating roof fitted onto the lower end of the outer wall of the floating roof support column. An upper floating roof is fitted onto the outer wall of the lower floating roof support column. Multiple sets of bolts are provided at the upper end of the lower floating roof. The upper ends of the bolts pass through the upper floating roof and are fitted with nuts on their upper outer walls. Sealing sleeves are provided at the lower end of the lower floating roof and the upper end of the upper floating roof. A sealing ring is inserted between the lower floating roof and the upper floating roof. Multiple sets of clamping components are provided at the upper end of the upper floating roof, and multiple sets of buffer components are provided at the lower end of the lower floating roof.

[0008] As an improved technical solution, the bolt moves through the upper end of the upper floating plate, the nut is threaded on the outer wall of the bolt, and the lower floating plate, upper floating plate, and sealing sleeve are movably fitted on the outer wall of the floating plate support in the middle. The upper and lower radii of the upper floating plate change from wide to narrow, and the upper and lower radii of the lower floating plate change from narrow to wide.

[0009] As an improved technical solution, the middle end of the sealing ring is movably inserted into the middle ends of the lower floating plate and the upper floating plate.

[0010] As an improved technical solution, the clamping assembly includes a fixed block fixedly disposed on the upper end of the floating plate, an adjusting rod movably inserted into the middle of the fixed block, an adjusting sleeve fixedly sleeved on the outer wall of the adjusting rod, a first spring movably sleeved on one side of the outer wall of the adjusting rod, the two ends of the first spring being fixedly connected to the fixed block and the adjusting sleeve respectively, and a pressure plate fixedly disposed on the end of the adjusting rod away from the fixed block, the pressure plate being arc-shaped, and the outer wall of the pressure plate being in contact with the inner wall of the sealing ring.

[0011] As an improved technical solution, the buffer assembly includes a first sleeve fixedly disposed at the lower end of the lower floating plate, a first piston movably inserted into the inner wall of the first sleeve, the outer wall of the first piston and the inner wall of the first sleeve being in contact, a second spring fixedly disposed at the upper end of the first piston, a first sliding rod fixedly disposed at the lower end of the first piston, the first sliding rod movably passing through the lower end of the first sleeve and fixedly disposed on a first rubber pad.

[0012] As an improved technical solution, a second sleeve is fixedly installed at the lower end of the lower floating plate on one side of the first sleeve. A second piston is movably inserted into the inner wall of the second sleeve. The outer wall of the second piston is in contact with the inner wall of the second sleeve. A second sliding rod is fixedly installed at the lower end of the second piston. The lower end of the second sliding rod movably passes through the lower end of the second sleeve and is fixedly provided with a second rubber pad. A vent pipe is connected to the upper end of the second sleeve. The end of the vent pipe away from the second sleeve is connected to the first sleeve.

[0013] As an improved technical solution, a screw is threaded into the upper end of the floating table support, a cap is rotatably fitted onto the upper end of the screw, and four sets of mutually symmetrical fixing rods are fixedly installed at the lower end of the cap.

[0014] After adopting the above technical solution, the beneficial effects of this utility model are:

[0015] This invention allows the entire floating roof assembly to be removed from the upper end of the outer wall of the floating roof support. Then, the nut is unscrewed, and the upper floating roof is slid upward along the bolt. The upper and lower floating roofs are separated, and the sealing ring can be removed for replacement. This solves the problem that existing floating roofs and sealing rings are often fixedly connected, making it inconvenient to replace worn sealing rings, resulting in a short service life of the floating roof.

[0016] In this invention, by pulling the adjusting sleeve along the fixed block, the adjusting sleeve compresses the first spring. When the adjusting sleeve is released, under the reverse elastic force of the first spring, the adjusting rod drives the pressure plate to squeeze the sealing ring, thereby making the sealing ring fit more tightly with the inner wall of the floating roof tank, thus enhancing the sealing performance of the device.

[0017] In this invention, when the inner floating roof descends due to the discharge of media such as oil, gas, liquid chemicals, etc., inside the floating roof tank, the first and second rubber pads first contact the bottom of the tank. Both the first and second rubber pads are impacted, causing the first and second sliding rods to move upward. The first sliding rod drives the first piston to slide upward along the inner wall of the first sleeve and compress the second spring. At the same time, the second sliding rod drives the second piston to move upward along the inner wall of the second sleeve. The second piston introduces gas from the second sleeve into the first sleeve through the vent pipe. Under the reverse elastic force of the second spring and the pressure inside the first sleeve, the impact force on the bottom of the floating roof tank during the descent of the floating roof is reduced, and the force of the floating roof falling is buffered and protected, preventing the inner floating roof from breaking or being damaged due to excessive falling force, thus extending the service life of the inner 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 front-view three-dimensional structural diagram of a support floating plate for a storage tank according to the present invention;

[0020] Figure 2 This is an exploded three-dimensional structural diagram of the floating roof assembly of a support floating roof for a storage tank according to the present invention;

[0021] Figure 3 This is a three-dimensional structural diagram of the sealing ring of a support floating plate for a storage tank according to the present invention;

[0022] Figure 4This is a three-dimensional structural diagram of a clamping assembly for a support floating roof of a storage tank according to the present invention;

[0023] Figure 5 This is a three-dimensional structural diagram of a buffer assembly for a support floating roof for a storage tank according to the present invention.

[0024] Figure 6 This is a schematic diagram of the overall three-dimensional structure of a support floating plate for a storage tank according to the present invention.

[0025] In the diagram: 1. Floating roof support; 2. Floating roof assembly; 21. Lower floating roof; 22. Bolt; 23. Upper floating roof; 24. Sealing sleeve; 25. Nut; 3. Sealing ring; 4. Pressing assembly; 41. Fixing block; 42. Adjusting rod; 43. Adjusting sleeve; 44. First spring; 45. Pressure plate; 5. Buffer assembly; 501. First sleeve; 502. First piston; 503. Second spring; 504. First sliding rod; 505. First rubber pad; 506. Second sleeve; 507. Second piston; 508. Second sliding rod; 509. Second rubber pad; 510. Vent pipe; 6. Screw; 7. Cap; 8. Fixing rod. Detailed Implementation

[0026] 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.

[0027] 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.

[0028] Meanwhile, the meaning of "and / or" or "the / 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.

[0029] 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.

[0030] like Figures 1-3 As shown in the figure, this embodiment provides a support floating roof for a storage tank, including a floating roof support 1. A floating roof assembly 2 is fitted on the outer wall of the floating roof support 1. The floating roof assembly 2 includes a lower floating roof 21 fitted on the lower end of the outer wall of the floating roof support 1. An upper floating roof 23 is fitted on the outer wall of the lower floating roof 21. Multiple sets of bolts 22 are provided at the upper end of the lower floating roof 21. The upper ends of the bolts 22 pass through the upper floating roof 23 and are fitted with nuts 25 on the outer wall of the upper end. Sealing sleeves 24 are provided at the lower end of the lower floating roof 21 and the upper end of the upper floating roof 23. A sealing ring 3 is inserted between the lower floating roof 21 and the upper floating roof 23.

[0031] Bolt 22 moves through the upper end of the upper floating plate 23. Nut 25 is threaded onto the outer wall of bolt 22. The lower floating plate 21, upper floating plate 23, and sealing sleeve 24 are movably fitted onto the outer wall of the floating plate support 1. The upper floating plate 23 narrows from top to bottom, while the lower floating plate 21 widens from bottom to top. The sealing ring 3 is movably inserted into the middle of the lower floating plate 21 and the upper floating plate 23. A screw 6 is threaded into the upper end of the floating plate support 1. A cap 7 is rotatably fitted onto the upper end of the screw 6. Four sets of symmetrical fixing rods 8 are fixed at the lower end of the cap 7. By rotating the screw 6, the distance between the lower end of the fixing rod 8 and the lower end of the floating plate support 1 can be adjusted, thereby adjusting the liquid storage volume in the floating roof tank. When the upper floating plate 23 rises to contact the lower end of the fixing rod 8, the upper floating plate 23 can no longer float upwards, meaning that the liquid storage volume in the floating roof tank... When the liquid volume reaches the storage limit and no more liquid can be stored, and the sealing ring 3 needs to be replaced, the entire floating roof assembly 2 is removed from the upper end of the outer wall of the floating roof support 1. Then, the nut 25 is unscrewed, and the upper floating roof 23 is slid upward along the bolt 22. The upper floating roof 23 and the lower floating roof 21 are separated, and the sealing ring 3 can be removed for replacement. The newly replaced sealing ring 3 is fitted onto the upper end of the lower floating roof 21, and the upper floating roof 23 is aligned with the bolt 22 and fitted onto the upper end of the sealing ring 3. Then, the nut 25 is screwed in to complete the connection between the lower floating roof 21 and the upper floating roof 23. The sealing ring 3 is inserted into the middle of the lower floating roof 21 and the upper floating roof 23 to complete the installation of the sealing ring 3. This solves the problem that the existing floating roof and sealing ring 3 are often fixedly connected, making it inconvenient to replace the worn sealing ring 3, thus resulting in a short service life of the floating roof.

[0032] like Figures 1-4 As shown, the upper end of the floating roof 23 is provided with multiple sets of clamping components 4. The clamping components 4 include a fixed block 41 fixedly mounted on the upper end of the floating roof 23. An adjusting rod 42 is movably inserted into the middle of the fixed block 41. An adjusting sleeve 43 is fixedly sleeved on the outer wall of the adjusting rod 42. A first spring 44 is movably sleeved on one side of the outer wall of the adjusting rod 42. The two ends of the first spring 44 are fixedly connected to the fixed block 41 and the adjusting sleeve 43, respectively. A pressure plate 45 is fixedly mounted on the end of the adjusting rod 42 away from the fixed block 41. The pressure plate 45 is arc-shaped, and its outer wall is in contact with the inner wall of the sealing ring 3. By pulling the adjusting sleeve 43 along the fixed block 41, the adjusting sleeve 43 compresses the first spring 44. When the adjusting sleeve 43 is released, under the reverse elastic force of the first spring 44, the adjusting rod 42 drives the pressure plate 45 to squeeze the sealing ring 3, thereby making the sealing ring 3 fit more tightly with the inner wall of the floating roof tank, thus enhancing the sealing performance of the device.

[0033] like Figures 1-6As shown, the lower end of the lower floating plate 21 is provided with multiple sets of buffer components 5. The buffer components 5 include a first sleeve 501 fixedly installed at the lower end of the lower floating plate 21, a first piston 502 movably inserted into the inner wall of the first sleeve 501, the outer wall of the first piston 502 and the inner wall of the first sleeve 501 being in contact, a second spring 503 fixedly installed at the upper end of the first piston 502, and a first sliding rod 504 fixedly installed at the lower end of the first piston 502. The first sliding rod 504 movably passes through the lower end of the first sleeve 501 and is fixedly provided with a first rubber pad 5. 05. A second sleeve 506 is fixedly installed at the lower end of the lower floating plate 21 on one side of the first sleeve 501. A second piston 507 is movably inserted into the inner wall of the second sleeve 506. The outer wall of the second piston 507 is in contact with the inner wall of the second sleeve 506. A second sliding rod 508 is fixedly installed at the lower end of the second piston 507. The lower end of the second sliding rod 508 movably passes through the lower end of the second sleeve 506 and is fixedly provided with a second rubber pad 509. A vent pipe 510 is connected to the upper end of the second sleeve 506. The vent pipe 510 is located away from the second sleeve 501. One end of 06 is connected to the first sleeve 501. When the inner floating roof falls due to the discharge of media such as oil, gas, liquid chemicals, etc. inside the floating roof tank, the first rubber pad 505 and the second rubber pad 509 first contact the bottom of the tank. The impact on both the first rubber pad 505 and the second rubber pad 509 causes the first sliding rod 504 and the second sliding rod 508 to move upward. The first sliding rod 504 drives the first piston 502 to slide upward along the inner wall of the first sleeve 501 and compress the second spring 503. At the same time, the second sliding rod 508... The second piston 507 moves upward along the inner wall of the second sleeve 506. The second piston 507 draws the gas in the second sleeve 506 into the first sleeve 501 through the vent pipe 510. Under the reverse elastic force of the second spring 503 and the pressure inside the first sleeve 501, the impact force on the bottom of the floating roof tank during the descent of the floating roof is reduced, and the force of the falling floating roof is buffered and protected to prevent the inner floating roof from breaking due to excessive falling force, thus extending the service life of the inner floating roof.

[0034] 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 column buoy for a storage tank, comprising a column buoy (1), characterized in that: The outer wall of the floating disc support (1) is sleeved with a floating disc assembly (2), the floating disc assembly (2) comprises a lower floating disc (21) sleeved on the lower end of the outer wall of the floating disc support (1), the floating disc support (1) is sleeved with an upper floating disc (23) on the outer wall of the lower floating disc (21), the upper end of the lower floating disc (21) is provided with a plurality of bolts (22), the upper end of the bolt (22) penetrates through the upper floating disc (23) and the outer wall of the upper end is sleeved with a nut (25), the lower end of the lower floating disc (21) and the upper end of the upper floating disc (23) are provided with sealing sleeves (24), a sealing ring (3) is inserted between the lower floating disc (21) and the upper floating disc (23), the upper end of the upper floating disc (23) is provided with a plurality of pressing assemblies (4), and the lower end of the lower floating disc (21) is provided with a plurality of buffer assemblies (5).

2. The column floating disc for a storage tank according to claim 1, characterized by: The bolt (22) movably penetrates through the upper end of the upper floating disc (23), the nut (25) is threadedly sleeved on the outer wall of the bolt (22), the lower floating disc (21), the upper floating disc (23) and the middle end of the sealing sleeve (24) movably sleeve the outer wall of the floating disc support (1), the upper and lower radii of the upper floating disc (23) gradually become narrow, and the upper and lower radii of the lower floating disc (21) gradually become wide.

3. The column floating disc for storage tanks according to claim 1, characterized in that: The middle end of the sealing ring (3) movably inserts the middle ends of the lower floating disc (21) and the upper floating disc (23).

4. The column floating disc for storage tanks according to claim 1, characterized in that: The pressing assembly (4) comprises a fixed block (41) fixedly arranged at the upper end of the upper floating disc (23), an adjusting rod (42) movably inserted in the middle end of the fixed block (41), an adjusting sleeve (43) fixedly sleeved on the outer wall of the adjusting rod (42), a first spring (44) movably sleeved on one side of the outer wall of the adjusting rod (42), and the two ends of the first spring (44) are fixedly connected with the fixed block (41) and the adjusting sleeve (43), respectively, a pressing plate (45) fixedly arranged at the end of the adjusting rod (42) away from the fixed block (41), the pressing plate (45) is arranged in an arc shape, and the outer wall of the pressing plate (45) is attached to the inner wall of the sealing ring (3).

5. The column floating disc for storage tanks according to claim 1, characterized in that: The buffer assembly (5) comprises a first sleeve (501) fixedly arranged at the lower end of the lower floating disc (21), a first piston (502) movably inserted in the inner wall of the first sleeve (501), the outer wall of the first piston (502) is attached to the inner wall of the first sleeve (501), a second spring (503) fixedly arranged at the upper end of the first piston (502), a first sliding rod (504) fixedly arranged at the lower end of the first piston (502), and the first sliding rod (504) movably penetrates through the lower end of the first sleeve (501) and is fixedly provided with a first rubber pad (505).

6. The column of claim 5, wherein: The lower end of the lower floating disc (21) is fixed with a second sleeve (506) on one side of the first sleeve (501), the inner wall of the second sleeve (506) movably inserts a second piston (507), the outer wall of the second piston (507) and the inner wall of the second sleeve (506) are attached, the lower end of the second piston (507) is fixed with a second sliding rod (508), the lower end of the second sliding rod (508) movably passes through the lower end of the second sleeve (506) and is fixed with a second rubber pad (509), the upper end of the second sleeve (506) is connected with a vent pipe (510), one end of the vent pipe (510) away from the second sleeve (506) is connected with the first sleeve (501).

7. The column floating disc for storage tanks according to claim 1, characterized in that: The upper end of the floating disc support column (1) is screwed with a screw rod (6), the upper end of the screw rod (6) rotatably sleeves a sleeve cap (7), the lower end of the sleeve cap (7) is fixed with four groups of fixed rods (8) which are symmetrical to each other.

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