Methanol to olefins and downstream deep processing tank floating plate

Abstract

The application discloses a methanol-to-olefin and downstream deep processing storage tank floating disc, and belongs to the technical field of equipment for storage tanks. The methanol-to-olefin and downstream deep processing storage tank floating disc comprises a disc body, a mounting frame is fixedly installed in the disc body, a floating disc cover plate is detachably installed above the disc body, the disc body is divided into a placing cavity by the mounting frame, a plurality of floating air bags are arranged in the placing cavity, a gas discharge hole is arranged at the lower side of the disc body, and a discharge assembly is arranged in the gas discharge hole. According to the technical scheme, the floating air bags are arranged, so that the staff can conveniently and quickly adjust the buoyancy of the floating disc without disassembling the floating cylinder, the adjustment accuracy is higher, and different oil products can be fully adapted.

Description

Technical Field

[0001] This application relates to the field of equipment technology for storage tanks, and more specifically, to a floating roof for a storage tank used in methanol-to-olefins and downstream deep processing. Background Technology

[0002] As a core link in the modern coal chemical industry chain, methanol-to-olefins (MTO) and its downstream deep processing involve the storage of large quantities of volatile, flammable, and explosive chemicals such as methanol and olefins. To maintain excellent sealing performance of storage tanks under complex operating conditions, floating roofs are usually installed inside the tanks to reduce the volatilization loss of raw materials such as petroleum during storage.

[0003] The prior art publication number CN222453215U provides a single-disc internal floating roof for storage tanks. This device, by setting up a mounting frame, allows for easy installation and disassembly of the float, facilitating subsequent maintenance and repair, and also making it easy to adjust the buoyancy according to the type of oil.

[0004] While the existing technical solutions described above facilitate the assembly and disassembly of the pontoons, they still have the following drawbacks: The buoyancy of these solutions and most commercially available floating roofs is altered by adding or removing pontoons, a cumbersome and inefficient method that hinders rapid adjustment of the floating roof's buoyancy. Therefore, we propose a floating roof for storage tanks used in methanol-to-olefins and downstream processing. Utility Model Content

[0005] 1. Technical problems to be solved

[0006] The purpose of this application is to provide a floating roof for storage tanks used in methanol-to-olefins and downstream deep processing, in order to solve the technical problems mentioned in the background.

[0007] 2. Technical Solution

[0008] This application provides a floating roof for methanol-to-olefins and downstream deep processing storage tanks, comprising: a plate body, an installation frame fixedly installed in the plate body, a floating roof cover plate detachably installed on the top of the plate body, a placement cavity divided by the installation frame in the plate body, a plurality of floating airbags installed in the placement cavity, an exhaust port opened on the lower side of the plate body, and an exhaust component installed in the exhaust port.

[0009] By adopting the above technical solution, staff can easily and quickly adjust the buoyancy of the floating platform without disassembling the pontoon, and the adjustment accuracy is higher, making it fully adaptable to different oil products.

[0010] As an optional solution to the technical solution of this application, a connecting pipe is fixedly connected between adjacent floating airbags, and an air replenishment pipe is fixedly connected to one side of one of the connecting pipes, and an inflation one-way valve is installed inside the air replenishment pipe.

[0011] By adopting the above technical solution, it is convenient for staff to fill the floating airbag with gas.

[0012] As an optional solution to the technical solution of this application, a number of protective cylinders are also installed inside the placement cavity, the floating airbag is installed inside the protective cylinder, and a number of floats are fixedly installed on the protective cylinder.

[0013] By adopting the above technical solution, not only can basic buoyancy be provided, but the floating airbag can also be protected to prevent damage and leakage.

[0014] As an optional solution to the technical solution of this application, a receiving pipe is fixedly connected between the inner connecting pipe and the outer connecting pipe, and a valve is installed on the receiving pipe.

[0015] By adopting the above technical solution, staff can further adjust the buoyancy of the floating platform.

[0016] As an optional solution to the technical solution of this application, the discharge assembly includes a discharge pipe fixedly connected to the floating roof cover plate, the discharge pipe communicating with the inner cavity of the exhaust hole, a release pipe fixedly connected to one side of the discharge pipe, the diameter of the release pipe being larger than the diameter of the discharge pipe, a plugging plate slidably connected to the lower side of the discharge pipe, and several springs fixedly connected between the plugging plate and the discharge pipe.

[0017] By adopting the above technical solution, the gas inside the storage tank can be discharged smoothly.

[0018] As an optional solution to the technical solution of this application, an annular scraper is fixedly installed on the lower side of the plugging plate, and the annular scraper slides in conjunction with the discharge pipe.

[0019] By adopting the above technical solution, the annular scraper will move up and down with the pipe-blocking plate to clean the lower side of the discharge pipe and prevent the lower part of the discharge pipe from being blocked.

[0020] 3. Beneficial effects

[0021] One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages:

[0022] 1. The technical solution of this application, by setting up floating airbags, allows workers to conveniently and quickly adjust the buoyancy of the floating plate without disassembling the float, and the adjustment accuracy is higher, making it fully adaptable to different oil products.

[0023] 2. The technical solution of this application, by setting up protective cylinders and floats, can not only provide basic buoyancy, but also protect the floating airbags; at the same time, by setting up receiving pipes and valves, it enables the staff to further adjust the buoyancy of the floating plate, thereby improving the applicability of this technical solution.

[0024] 3. The technical solution of this application can clean the lower side of the discharge pipe by setting up a discharge component, so as to avoid blockage at the bottom of the discharge pipe and fully ensure the smooth discharge of gas in the storage tank. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall structure of a floating roof for a storage tank used in methanol-to-olefins and downstream deep processing, as disclosed in a preferred embodiment of this application.

[0026] Figure 2 This is a structurally disassembled schematic diagram of the floating roof and floating roof cover of a storage tank for methanol-to-olefins and downstream deep processing disclosed in a preferred embodiment of this application.

[0027] Figure 3 This is a partial structural diagram of one side of the connecting pipe in a floating roof of a storage tank for methanol-to-olefins and downstream deep processing disclosed in a preferred embodiment of this application.

[0028] Figure 4 This is a structural breakdown diagram of the floating airbag, protective cylinder, and float in a floating roof of a storage tank for methanol-to-olefins and downstream deep processing disclosed in a preferred embodiment of this application.

[0029] Figure 5 This is a schematic diagram of the discharge assembly in the floating roof of a storage tank for methanol-to-olefins and downstream deep processing disclosed in a preferred embodiment of this application;

[0030] The following are the labels in the diagram: 1. Disc body; 101. Exhaust port; 102. Placement chamber; 2. Mounting bracket; 3. Air supply pipe; 4. Floating disc cover plate; 5. Connecting pipe; 6. Floating airbag; 7. Protective cylinder; 8. Discharge assembly; 801. Discharge pipe; 802. Release pipe; 803. Pipe blocking plate; 804. Spring; 805. Annular scraper; 9. Float; 10. Receiving pipe; 11. Valve; 12. Inflation check valve. Detailed Implementation

[0031] The present application will be further described in detail below with reference to the accompanying drawings.

[0032] Reference Figure 1 , Figure 2 and Figure 3This application discloses a floating roof for methanol-to-olefins and downstream deep processing storage tanks, comprising: a tank body 1, a mounting frame 2 fixedly installed inside the tank body 1, a floating roof cover 4 detachably installed on the top of the tank body 1, a placement cavity 102 divided by the mounting frame 2, multiple floating airbags 6 installed in the placement cavity 102, and an exhaust port 101 opened on the lower side of the tank body 1, with a discharge component 8 installed in the exhaust port 101. This allows workers to conveniently and quickly adjust the buoyancy of the floating roof without disassembling the floats, and the adjustment accuracy is higher, fully adapting to different oil products.

[0033] Reference Figure 2 and Figure 3 A connecting pipe 5 is fixedly connected between adjacent floating airbags 6. One side of one of the connecting pipes 5 is fixedly connected to an air supply pipe 3. An inflation check valve 12 is installed inside the air supply pipe 3. The inflation check valve 12 can prevent gas leakage inside the floating airbags 6.

[0034] A receiving pipe 10 is fixedly connected between the inner connecting pipe 5 and the outer connecting pipe 5. A valve 11 is installed on the receiving pipe 10. By opening and closing the valve 11, the operator can further adjust the buoyancy of the floating table, thereby improving the applicability of this technical solution.

[0035] Reference Figure 3 and Figure 4 Several protective cylinders 7 are installed inside the placement cavity 102. The floating airbag 6 is installed inside the protective cylinder 7. Several floats 9 are fixedly installed on the protective cylinder 7. The protective cylinder 7 and floats 9 can not only provide basic buoyancy, but also protect the floating airbag 6 and prevent the floating airbag 6 from being damaged and leaking.

[0036] Reference Figure 1 , Figure 2 and Figure 5 The discharge assembly 8 includes a discharge pipe 801 fixedly connected to the floating roof cover plate 4. The discharge pipe 801 communicates with the inner cavity of the vent hole 101. A release pipe 802 is fixedly connected to one side of the discharge pipe 801. The diameter of the release pipe 802 is larger than that of the discharge pipe 801. A plug plate 803 is slidably connected to the lower side of the discharge pipe 801. Several springs 804 are fixedly connected between the plug plate 803 and the discharge pipe 801.

[0037] An annular scraper 805 is fixedly installed on the lower side of the plug plate 803, and the annular scraper 805 slides in conjunction with the discharge pipe 801.

[0038] When chemicals in the storage tank evaporate, the pressure inside the tank increases, and the evaporated gas pushes the plug plate 803 upward. When the plug plate 803 moves into the release pipe 802, the evaporated gas is discharged through the discharge pipe 801. After the discharge is completed, under the action of the spring 804, the plug plate 803 continues to block the discharge pipe 801. During this process, the annular scraper 805 moves up and down with the plug plate 803 to clean the lower side of the discharge pipe 801, preventing the lower part of the discharge pipe 801 from being blocked and ensuring the smooth discharge of gas from the storage tank.

[0039] This application, by setting up a floating airbag 6, allows staff to conveniently and quickly adjust the buoyancy of the floating roof without disassembling the float; at the same time, by setting up a protective cylinder 7 and a float 9, it not only provides basic buoyancy but also protects the floating airbag 6; in addition, by setting up a receiving pipe 10 and a valve 11, staff can further adjust the buoyancy of the floating roof; and by setting up a discharge assembly 8, it fully ensures the smooth discharge of gas from the storage tank.

[0040] The implementation principle of a floating roof for methanol-to-olefins and downstream deep processing tanks in this application embodiment is as follows: When relevant personnel need to change the buoyancy of the floating roof during the use of this technical solution, the personnel connect the external inflation device to the air supply pipe 3. The external inflation device then inflates the floating air bladder 6 through the air supply pipe 3, thereby increasing the volume of the floating air bladder 6 and enhancing the buoyancy. After the buoyancy of the floating roof is adjusted to an appropriate state, inflation is stopped, and the inflation check valve 12 is reset to prevent gas leakage from the floating air bladder 6. When chemicals in the storage tank evaporate, the pressure inside the tank increases, and the evaporated gas pushes the plugging plate 803 upward. When the plugging plate 803 moves into the release pipe 802, the evaporated gas is discharged through the discharge pipe 801. After the discharge is completed, under the action of the spring 804, the plugging plate 803 continues to block the discharge pipe 801. During this process, the annular scraper 805 moves up and down with the plugging plate 803 to clean the lower side of the discharge pipe 801 and prevent the lower part of the discharge pipe 801 from being blocked.

Claims

1. A floating roof for methanol-to-olefins and downstream deep processing, comprising: a roof body (1), wherein a mounting frame (2) is fixedly installed inside the roof body (1), and a floating roof cover plate (4) is detachably installed on the top of the roof body (1), characterized in that: The disc body (1) is divided into a placement cavity (102) by the mounting frame (2). Multiple floating airbags (6) are installed in the placement cavity (102). An exhaust hole (101) is opened on the lower side of the disc body (1). An exhaust component (8) is installed in the exhaust hole (101).

2. The floating roof for methanol-to-olefins and downstream deep processing as described in claim 1, characterized in that: A connecting tube (5) is fixedly connected between adjacent floating airbags (6), and an air replenishment tube (3) is fixedly connected to one side of one of the connecting tubes (5), and an inflation check valve (12) is installed inside the air replenishment tube (3).

3. The floating roof for methanol-to-olefins and downstream deep processing as described in claim 1, characterized in that: The placement cavity (102) is also equipped with several protective cylinders (7), the floating airbag (6) is installed inside the protective cylinder (7), and several floats (9) are fixedly installed on the protective cylinder (7).

4. The floating roof for methanol-to-olefins and downstream deep processing as described in claim 2, characterized in that: A receiving pipe (10) is fixedly connected between the inner connecting pipe (5) and the outer connecting pipe (5), and a valve (11) is installed on the receiving pipe (10).

5. The floating roof for methanol-to-olefins and downstream deep processing as described in claim 1, characterized in that: The discharge assembly (8) includes a discharge pipe (801) fixedly connected to the floating roof cover plate (4). The discharge pipe (801) communicates with the inner cavity of the exhaust hole (101). A release pipe (802) is fixedly connected to one side of the discharge pipe (801). The diameter of the release pipe (802) is larger than that of the discharge pipe (801). A plug plate (803) is slidably connected to the lower side of the discharge pipe (801). Several springs (804) are fixedly connected between the plug plate (803) and the discharge pipe (801).

6. The floating roof for methanol-to-olefins and downstream deep processing as described in claim 5, characterized in that: An annular scraper (805) is fixedly installed on the lower side of the plug plate (803), and the annular scraper (805) slides in cooperation with the discharge pipe (801).

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