A method of manufacturing a buoyancy unit module

Abstract

The application provides a preparation method of a buoyancy unit module, and the preparation method comprises the following steps: using foamed metal to prepare a floating disc body; performing polishing treatment on the surface of the floating disc body until a closed pore structure is formed on the surface of the foamed metal; spraying resin on the surface of the floating disc body to form a resin film, so as to wrap and seal the floating disc body; repeating the above steps until a preset number of floating disc bodies are prepared; and connecting a floating disc frame with each floating disc body to form a buoyancy unit module. The application has the advantages of reducing the fire area of a storage tank and prolonging the service life of the floating disc.

Description

Technical Field

[0001] This invention relates to the field of oil storage tanks, and more particularly to a method for preparing a buoyancy unit module. Background Technology

[0002] Currently, commonly used buoyancy unit modules include two types: float-type floating roofs and floating box-type floating roofs. Float-type floating roofs have a large oil and gas space between themselves and the surface of the stored liquid, posing a significant potential risk. While floating box-type floating roofs can achieve complete contact with the oil, the sealing of the floating box itself often fails, allowing oil to enter and form an oil and gas space inside. To avoid the formation of large-scale oil and gas spaces inside the floating box, honeycomb metal materials are used. Although this structure can reduce the potential oil and gas space caused by leaks to some extent, it cannot solve the leakage problems of the floating box's weld seams, nor the corrosion problems caused by the contact between the aluminum alloy buoyancy unit module and the oil. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a method for preparing a buoyancy unit module that reduces the fire area of ​​the storage tank and improves the service life of the floating roof.

[0004] To solve the above-mentioned technical problems, the technical solution proposed by this invention is as follows:

[0005] A method for preparing a buoyancy unit module includes the following steps:

[0006] 1) The main body of the floating roof is made of foamed metal;

[0007] 2) Grind the surface of the floating roof body until a closed-cell structure is formed on the foamed metal surface;

[0008] 3) Spray resin onto the surface of the floating roof body to form a resin film, thereby wrapping and sealing the floating roof body;

[0009] 4) Repeat steps 1) to 3) until a predetermined number of floating roof bodies are prepared. Connect the floating roof frame to each floating roof body to form a buoyancy unit module.

[0010] As a further improvement to the above technical solution:

[0011] After step 2) and before step 3), weigh the main body of the floating table and calculate the density of each main body of the floating table to ensure that the density of each main body of the floating table is the same.

[0012] After step 3) and before step 4), the main body of the floating table is weighed again, and the density of each main body of the floating table is calculated to ensure that the density of each main body of the floating table is the same.

[0013] In step 2), the surface of the floating roof body is polished by hot rolling, milling or grinding.

[0014] In step 3), an antistatic agent is added to the resin.

[0015] In step 3), if the resin film does not reach the preset thickness, a second resin spraying is performed on the surface of the floating disk body before the resin film is cured.

[0016] Stir the resin thoroughly before spraying.

[0017] The foamed metal is foamed aluminum.

[0018] The resin film is an epoxy resin film.

[0019] In step 1), the foamed metal is cut to the preset size of the floating roof body.

[0020] Compared with the prior art, the advantages of the present invention are as follows:

[0021] (1) The present invention uses foamed metal to make the main body of the floating roof. Foamed metal has good plasticity and is easy to cut. It can be cut into different sizes and specifications according to the actual use needs of the floating roof. Foamed metal has good buoyancy and thermal conductivity. Foamed metal can burn for two hours in a full-area fire in the storage tank without structural damage or sinking. This ensures that the buoyancy unit module will not sink when the storage tank is on fire, thereby effectively reducing the fire area of ​​the storage tank, reducing the difficulty of fire fighting and reducing accident losses. At the same time, the density of foamed metal can be adjusted according to actual needs. For floating roofs with different diameters and accessories, the overall buoyancy ratio of the floating roof can be adjusted by adjusting the density of foamed metal.

[0022] (2) The lower the density of the foamed metal and the larger the porosity, the present invention grinds the surface of the floating disk body until a closed-cell structure is formed on the surface of the foamed metal. This has little effect on the volume density of the foamed metal, and the closed-cell structure can play a certain sealing role. When the floating disk leaks locally, the leaking liquid cannot enter the interior of the floating disk body, its buoyancy is not affected, and there will be no oil and gas space with safety hazards. At the same time, the grinding process greatly reduces the difficulty of subsequent processing and facilitates the bonding of resin fiberglass film.

[0023] (3) A resin film is formed by spraying resin on the surface of the floating disk body to wrap and seal the floating disk body. This gives the buoyancy unit module good airtightness and oil resistance, making the floating disk body less susceptible to corrosion and effectively extending the service life of the floating disk. The thickness of the resin film can be adjusted according to different storage media and environments to obtain a low-thickness resin film and reduce weight gain. Attached Figure Description

[0024] The invention will now be described in more detail with reference to embodiments and the accompanying drawings.

[0025] Figure 1 This is a flowchart of the buoyancy unit module preparation method of the present invention. Detailed Implementation

[0026] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments, but this does not limit the scope of protection of the present invention.

[0027] Figure 1 An embodiment of a buoyancy unit module preparation method is shown. Floating panels are installed in storage tanks containing highly volatile fluids such as gasoline, kerosene, diesel, naphtha, and chemicals to reduce evaporation and prevent environmental pollution and safety accidents caused by gas evaporation. In this embodiment, the preparation method of the buoyancy unit module includes the following steps:

[0028] 1) The main body of the floating roof is made of foamed metal;

[0029] 2) Grind the surface of the floating roof body until a closed-cell structure is formed on the foamed metal surface;

[0030] 3) Spray resin onto the surface of the floating roof body to form a resin film, thereby wrapping and sealing the floating roof body;

[0031] 4) Repeat steps 1) to 3) until a predetermined number of floating roof bodies are prepared. Connect the floating roof frame to each floating roof body to form a buoyancy unit module.

[0032] This invention uses foamed metal to make the main body of the floating roof. Foamed metal has good plasticity and is easy to cut, and can be cut into different sizes and specifications according to the actual use needs of the floating roof. Foamed metal has good buoyancy and thermal conductivity. The structure of foamed metal remains undamaged and does not sink after burning for two hours in a full-area fire in a storage tank. This ensures that the buoyancy unit module will not sink when the storage tank is on fire, thereby effectively reducing the fire area of ​​the storage tank, reducing the difficulty of fire fighting, and reducing accident losses. At the same time, the density of foamed metal can be adjusted according to actual needs. For floating roofs with different diameters and accessories, the overall buoyancy ratio of the floating roof can be adjusted by adjusting the density of foamed metal.

[0033] The lower the density and the higher the porosity of the foamed metal, the more likely the floating roof body will be polished. This invention grinds the surface of the foamed metal until a closed-cell structure is formed on the surface of the foamed metal. This has little impact on the bulk density of the foamed metal, and the closed-cell structure can play a certain sealing role. When the floating roof leaks locally, the leaking liquid cannot enter the interior of the floating roof body, its buoyancy is not affected, and there is no oil and gas space that poses a safety hazard. At the same time, the polishing process greatly reduces the difficulty of subsequent processing and facilitates the bonding of the resin fiberglass film.

[0034] Resin is sprayed onto the surface of the floating roof body to form a resin film, which encapsulates and seals the floating roof body. This gives the buoyancy unit module good airtightness and oil resistance, making the floating roof body less susceptible to corrosion and effectively extending the service life of the floating roof. Furthermore, the thickness of the resin film can be adjusted according to different storage media and environments to obtain a thinner resin film, reducing weight gain.

[0035] Furthermore, after step 2) and before step 3), the main bodies of the floating docks are weighed, and the density of each main body is calculated to ensure that the density of each main body is the same. Simultaneously, after step 3) and before step 4), the main bodies of the floating docks are weighed again, and the density of each main body is calculated. When the density difference between the main bodies is large, the single main body with the large density difference is discarded; when the density of the main bodies is basically the same, the main bodies are continued to be used, so that the buoyancy unit module formed by the connection between the floating dock frame and each main body will not tilt, ensuring the reliable and safe operation of the buoyancy unit module.

[0036] Furthermore, in step 2), the surface of the floating roof body is polished using hot rolling, milling, or grinding. This method is convenient and creates an effective closed-pore structure on the surface of the floating roof body.

[0037] In step 3), a conductive agent is added to the resin. This agent helps to discharge static electricity from the entire floating dock, preventing it from becoming an isolated conductor and causing partial discharge. Furthermore, the resin is thoroughly stirred before spraying to ensure the full performance of the resin film and the conductive agent.

[0038] In step 3), if the resin film does not reach the preset thickness, a second resin spraying is performed on the surface of the floating disk body before the resin film is cured, so as to make the resin film reach the preset thickness and ensure the uniformity and flatness of the resin film.

[0039] In this embodiment, the foamed metal is foamed aluminum, which is lightweight and has good buoyancy and thermal conductivity. In this embodiment, the resin film is an epoxy resin film, which has a certain degree of elasticity and can provide a certain degree of sealing when connected to the metal frame.

[0040] In this embodiment, in step 1), the foamed metal is cut to a preset size for the floating roof body. This facilitates the subsequent installation and connection of the floating roof frame with each floating roof body.

[0041] Although the invention has been described with reference to preferred embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the invention. In particular, the technical features mentioned in the various embodiments can be combined in any manner, provided there is no structural conflict. The invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A method of manufacturing a buoyancy unit module, characterized by, The method comprises the following steps: 1) using foamed metal to make the main body of the floating disc; 2) using hot rolling, milling or grinding to polish the surface of the main body of the floating disc until the foamed metal surface forms a closed pore structure to play a certain sealing role; 3) weighing the main body of the floating disc and calculating the density of each main body of the floating disc to ensure that the densities of the main bodies of the floating disc are the same; 4) spraying resin on the surface of the main body of the floating disc to form a resin film to wrap and seal the main body of the floating disc; when the resin film does not reach the preset thickness, the surface of the main body of the floating disc is sprayed with resin again before the resin film is solidified; 5) weighing the main body of the floating disc again and calculating the density of each main body of the floating disc to ensure that the densities of the main bodies of the floating disc are the same; 6) repeating steps 1) to 5) until a preset number of main bodies of the floating disc are prepared, connecting the floating disc frame with each main body of the floating disc to form a buoyancy unit module.

2. The method of claim 1, wherein the method further comprises: In step 4), an electrostatic conductor is added to the resin.

3. The method of claim 2, wherein the method further comprises the step of: Before spraying the resin, the resin is stirred uniformly.

4. The method of claim 1, wherein the method further comprises: The foamed metal is foamed aluminum.

5. The method of claim 4, wherein the method further comprises the step of: The resin film is an epoxy resin film.

6. The method of claim 1, wherein the buoyancy unit module is prepared by the steps of: In step 1), the foamed metal is cut to the preset size of the main body of the floating disc.

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