Double-catalysis tower structure of cracking equipment

Abstract

The utility model relates to the technical field of thermal cracking equipment, and discloses a double catalytic tower structure of cracking equipment, which comprises an upper tower body and a lower tower body, the outer wall of the upper tower body is fixedly connected with a connecting pipe I and a connecting pipe II, the inner part of the upper tower body is fixedly connected with a filtering layer and a catalytic layer, the outer wall of the upper tower body is fixedly connected with an upper connecting disc, and the outer wall of the lower tower body is fixedly connected with a lower connecting disc. A lower connecting disc is fixedly connected to the outer wall of the lower tower body, a butt joint ring is fixedly connected to the lower surface of the upper tower body, a clamping groove is formed in the upper connecting disc, a clamping assembly is arranged in the lower connecting disc and used for disassembling and assembling the catalytic tower, and a butt joint assembly is arranged on the lower surface of the upper connecting disc and used for disassembling and assembling the catalytic tower. The butt joint assembly is used for assisting butt joint of the upper tower body and the lower tower body. According to the utility model, the catalytic tower is convenient to disassemble and maintain, the workload of operators is greatly reduced, the working efficiency of equipment maintenance and assembly is effectively improved, and meanwhile, oil gas is effectively prevented from leaking from a connecting part.

Description

Technical Field

[0001] This utility model relates to the field of thermal pyrolysis equipment technology, and in particular to a dual-catalytic tower structure for pyrolysis equipment. Background Technology

[0002] In the field of thermal cracking equipment technology, the dual-catalytic tower structure of cracking equipment plays a crucial role. Its performance directly affects the efficiency of oil and gas cracking catalysis and the ease of equipment maintenance. With the increasing demand for oil and gas processing in industrial production, the optimization and improvement of the dual-catalytic tower structure of cracking equipment has become increasingly urgent.

[0003] In existing technologies, common dual-catalytic tower structures for cracking equipment typically consist of upper and lower tower bodies, which are fixed together by welding, flange connections, or other methods. Oil and gas enter the catalytic tower through specific pipelines and undergo catalytic reactions in the internal catalytic layer. This structure can meet basic production requirements to a certain extent. For example, some catalytic towers use a large number of bolts to fasten the tower body connections to ensure structural stability; the connection between the oil and gas pipelines and the tower body relies on sealing gaskets to prevent leakage.

[0004] However, the traditional dual-catalytic tower structure of cracking equipment has revealed significant problems in practical applications. When repairing or replacing internal components of the catalytic tower, the complexity of the connection method makes the operation extremely difficult. Taking a welded catalytic tower as an example, if the internal filter layer or catalyst layer needs to be inspected, the welded part must be cut open first. This not only requires professional cutting equipment, but also causes a certain degree of damage to the tower structure. Although bolted catalytic towers are relatively easy to disassemble, the bolts may rust or become stuck after long-term use, and disassembly also faces many difficulties. These problems make the equipment maintenance process time-consuming and labor-intensive. Operators need to invest a lot of time and energy in disassembly and installation, which greatly increases the workload and seriously affects the efficiency of equipment maintenance. Summary of the Invention

[0005] To overcome the above shortcomings, this utility model provides a dual-catalytic tower structure for a cracking device, aiming to improve the traditional dual-catalytic tower structure for cracking devices. Due to the complexity of the connection method, the operation is extremely difficult when repairing or replacing internal components of the catalytic tower, which leads to operators needing to invest a lot of time and energy in disassembly and installation, greatly increasing the workload.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a dual-catalytic tower structure for a pyrolysis device, comprising an upper tower body and a lower tower body. A connecting pipe 1 and a connecting pipe 2 are fixedly connected to the outer wall of the upper tower body. A filter layer and a catalyst layer are fixedly connected inside the upper tower body. An upper connecting plate is fixedly connected to the outer wall of the upper tower body, and a lower connecting plate is fixedly connected to the outer wall of the lower tower body. A docking ring is fixedly connected to the lower surface of the upper tower body. A slot is provided inside the upper connecting plate, and a locking assembly is provided inside the lower connecting plate. The locking assembly is used for disassembling and installing the catalytic tower. A docking component is provided on the lower surface of the upper connecting plate, assisting in docking the upper and lower tower bodies. The locking assembly includes a locking cylinder, which is fixedly connected inside the lower connecting plate. A locking rod is provided inside the locking cylinder, and a limit ring is fixedly connected to the outer wall of the locking rod. A spring is sleeved on the outer wall of the locking rod, and the locking rod is used to engage with the slot.

[0007] Furthermore, the docking assembly includes a guide rod, the upper surface of which is fixedly connected to the lower surface of the upper connecting plate, and a guide hole is provided inside the lower connecting plate. The outer wall of the guide rod is slidably connected to the inner wall of the guide hole.

[0008] Furthermore, a connecting cylinder is fixedly connected to one side of the outer wall of the first connecting pipe, and a sealing ring is provided on one side of the outer wall of the second connecting pipe.

[0009] Furthermore, the connecting cylinder has a mating groove inside, which is used to mate with the sealing ring.

[0010] Furthermore, a second spring is fixedly connected inside the connecting cylinder, and a locking block is fixedly connected to one end of the second spring.

[0011] Furthermore, the locking block is used to engage the sealing ring, and a sealing ring is fixedly connected to one side of the outer wall of the connecting pipe.

[0012] Furthermore, an oil and gas inlet is fixedly connected to the upper surface of the tower body.

[0013] Furthermore, an oil and gas outlet is fixedly connected to the lower surface of the lower tower body.

[0014] This utility model has the following beneficial effects:

[0015] 1. In this utility model, by pulling the locking rod outward, the locking rod can be moved away from the locking groove, thereby releasing the locking between the upper and lower connecting plates. At this time, the upper tower body can be lifted upward to disassemble the catalytic tower, which greatly reduces the difficulty of operation, reduces the workload of operators, and provides great convenience for maintenance and replacement. During installation, the precise guidance of the guide rod and guide hole ensures accurate docking of the upper and lower tower bodies. Then, through the elastic action of the spring, the locking rod can be re-locked into the locking groove, thereby realizing the convenient installation of the catalytic tower. The entire maintenance and installation process is efficient and convenient, greatly reducing the workload of operators and effectively improving the work efficiency of equipment maintenance and assembly.

[0016] 2. In this utility model, by setting a sealing ring and a docking groove, when it is necessary to connect the catalytic tower, the sealing ring is aligned with the docking groove inside the connecting cylinder and inserted. After the sealing ring is inserted, the elastic action of the second spring allows the locking block to be locked into the locking groove inside the sealing ring, so that it fits tightly in the docking groove. At the same time, by setting a sealing ring, the sealing ring is squeezed and deformed, thereby filling the tiny gaps between the pipes. Through the double sealing design, oil and gas leakage from the connection part is effectively prevented, ensuring the sealing performance of the equipment. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of a dual-catalytic tower structure for a pyrolysis device proposed in this utility model;

[0018] Figure 2 This is a schematic diagram of the oil and gas inlet section of a dual-catalytic tower structure for a pyrolysis device proposed in this utility model.

[0019] Figure 3 This is a schematic diagram of the docking ring portion of a dual-catalytic tower structure for a pyrolysis device proposed in this utility model;

[0020] Figure 4 This is a schematic diagram of the snap-fit ​​cylinder portion of a dual-catalytic tower structure for a pyrolysis device proposed in this utility model;

[0021] Figure 5 This is a schematic diagram of the connecting cylinder portion of a dual-catalytic tower structure for a pyrolysis device proposed in this utility model.

[0022] Legend:

[0023] 1. Upper tower body; 2. Lower tower body; 3. Connecting pipe one; 4. Connecting pipe two; 5. Filter layer; 6. Catalytic layer; 7. Upper connecting plate; 8. Lower connecting plate; 9. Guide rod; 10. Guide hole; 11. Docking ring; 12. Slot; 13. Snap-fit ​​cylinder; 14. Limiting ring; 15. Spring one; 16. Locking rod; 17. Connecting cylinder; 18. Docking groove; 19. Sealing ring; 20. Sealing ring; 21. Spring two; 22. Locking block; 23. Oil and gas inlet; 24. Oil and gas outlet. 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] Reference Figure 1 - Figure 4This utility model provides an embodiment of a dual-catalytic tower structure for a pyrolysis device, comprising an upper tower body 1 and a lower tower body 2. A connecting pipe 3 and a connecting pipe 4 are fixedly connected to the outer wall of the upper tower body 1. An oil / gas inlet 23 is fixedly connected to the upper surface of the upper tower body 1, and an oil / gas outlet 24 is fixedly connected to the lower surface of the lower tower body 2. A filter layer 5 and a catalytic layer 6 are fixedly connected inside the upper tower body 1. In use, oil / gas enters the upper tower body 1 through the oil / gas inlet 23, first passing through the filter layer 5 for impurity filtration, and then entering the catalytic layer 6 for catalytic reaction. After catalytic reaction, the oil / gas enters the lower tower body 2, where a catalytic layer 6 is also provided, allowing for a secondary catalytic reaction. Finally, the oil / gas is discharged from the oil / gas outlet 24. The entire cracking catalytic process is completed. During this process, the dual-catalytic tower structure improves the catalytic efficiency of oil and gas, and the coordinated operation between connecting pipe 3 and connecting pipe 4 ensures the catalytic efficiency of the equipment. An upper connecting plate 7 is fixedly connected to the outer wall of the upper tower body 1, and a lower connecting plate 8 is fixedly connected to the outer wall of the lower tower body 2. A slot 12 is provided inside the upper connecting plate 7, and a snap-fit ​​assembly is provided inside the lower connecting plate 8. The snap-fit ​​assembly includes a snap-fit ​​cylinder 13, which is fixedly connected inside the lower connecting plate 8. A snap-fit ​​rod 16 is provided inside the snap-fit ​​cylinder 13, and a limit ring 14 is fixedly connected to the outer wall of the snap-fit ​​rod 16. A spring 15 is sleeved on the outer wall of the snap-fit ​​rod 16, which is used to snap-fit ​​with the slot 12. When it is necessary to perform operations on the components inside the catalytic tower... During disassembly, replacement, or maintenance, first pull the locking rod 16 outwards, moving it away from the slot 12. Simultaneously, the locking rod 16 moves the limiting ring 14, compressing the spring 15 until it is completely disengaged from the slot 12. This releases the locking mechanism between the upper connecting plate 7 and the lower connecting plate 8. Next, grasp the upper tower body 1 and slowly lift it upwards, pulling the docking ring 11 from the lower tower body 2. This completes the disassembly of the upper tower body 1 and the lower tower body 2, enabling convenient disassembly of the catalytic converter and making maintenance and replacement much easier, significantly reducing the workload for operators. The lower surface of the upper connecting plate 7 is equipped with a docking assembly, which includes a guide rod 9. The upper surface of the guide rod 9 is fixedly connected to the lower surface of the upper connecting plate 7. The lower connecting plate 8 has a guide hole 10 inside. The outer wall of the guide rod 9 is slidably connected to the inner wall of the guide hole 10. The lower surface of the upper tower body 1 is fixedly connected to the docking ring 11. When it is necessary to install the dual catalytic cracking tower, the docking ring 11 on the lower surface of the upper tower body 1 is aligned with the upper surface of the lower tower body 2. At this time, the guide rod 9 below the upper connecting plate 7 will be inserted into the guide hole 10, thereby playing a guiding role and enabling the upper tower body 1 and the lower tower body 2 to be accurately docked. As the upper tower body 1 and the lower tower body 2 gradually approach each other, the locking rod 16 can be released. At this time, the locking rod 16 will be locked into the locking groove 12 inside the upper connecting plate 7 under the action of the spring 15, thereby realizing the installation and fixation of the upper tower body 1 and the lower tower body 2.

[0026] Reference Figure 1 and Figure 5 A connecting tube 17 is fixedly connected to one side of the outer wall of connecting tube 3. A mating groove 18 is provided inside the connecting tube 17 for mating with a sealing ring 19. A sealing ring 19 is also located on one side of the outer wall of connecting tube 4. When connecting the two catalytic towers, connecting tube 4 is slowly brought closer to connecting tube 3, aligning the sealing ring 19 on the outside of connecting tube 4 with the mating groove 18 inside the connecting tube 17. A spring 21 is fixedly connected inside the connecting tube 17, with a locking block 22 fixedly connected to one end of spring 21. The locking block 22 is used to engage the sealing ring 19. When the sealing ring 19 is inserted into the mating groove 18, the spring 21 inside the connecting tube 17 begins to function, pushing the sealing ring 19 through its elasticity. The locking block 22 moves toward the sealing ring 19. At this time, the locking block 22 can lock the sealing ring 19 under the action of the second spring 21, so that the sealing ring 19 fits tightly in the mating groove 18, preventing oil and gas from leaking from the gap between the sealing ring 19 and the mating groove 18. A sealing ring 20 is fixedly connected to one side of the outer wall of the second connecting pipe 4. The sealing ring 20 is made of elastic material. At the same time, the sealing ring 20 on the outside of the second connecting pipe 4 is in close contact with the inner wall of the first connecting pipe 3. After the second connecting pipe 4 and the first connecting pipe 3 are connected, the sealing ring 20 is squeezed and deformed, thereby filling the tiny gap between the second connecting pipe 4 and the first connecting pipe 3, further enhancing the sealing performance of the connection part and effectively preventing oil and gas leakage.

[0027] Working principle: When the dual catalytic tower is in use, oil and gas enter the upper tower body 1 through oil and gas inlet 23. First, it passes through the filter layer 5 to filter impurities, and then enters the catalytic layer 6 for catalytic reaction. After the catalytic reaction, the oil and gas enter the lower tower body 2, where a catalytic layer 6 is also set up. Thus, the oil and gas undergo a secondary catalytic reaction and finally exits from the oil and gas outlet 24, completing the entire cracking catalytic process. In this process, the dual catalytic tower structure improves the catalytic efficiency of oil and gas, and the catalytic efficiency of the equipment is guaranteed by the coordinated work between connecting pipe 1 3 and connecting pipe 2 4.

[0028] When it is necessary to disassemble, replace, or repair the internal components of the catalytic converter, first pull the locking rod 16 outwards, moving it away from the locking groove 12. Simultaneously, the locking rod 16 will move the limiting ring 14, compressing the spring 15 until it is completely disengaged from the locking groove 12. This releases the locking connection between the upper connecting plate 7 and the lower connecting plate 8. Next, grasp the upper tower body 1 and slowly lift it upwards, pulling the connecting ring 11 below the upper tower body 1 out of the lower tower body 2. This completes the disassembly of the upper tower body 1 and the lower tower body 2, thus enabling convenient disassembly of the catalytic converter. This makes the maintenance and replacement of the catalytic tower more convenient and greatly reduces the workload of operators. When it is necessary to install a dual catalytic tower for the cracking equipment, align the docking ring 11 on the lower surface of the upper tower body 1 with the upper surface of the lower tower body 2. At this time, the guide rod 9 below the upper connecting plate 7 will be inserted into the guide hole 10, thereby playing a guiding role and enabling the upper tower body 1 and the lower tower body 2 to be accurately docked. As the upper tower body 1 and the lower tower body 2 gradually approach each other, the locking rod 16 can be released. At this time, the locking rod 16 will be locked into the locking groove 12 inside the upper connecting plate 7 under the action of the spring 15, thereby realizing the installation and fixation of the upper tower body 1 and the lower tower body 2.

[0029] When connecting two catalytic converters, slowly bring connecting pipe 24 close to connecting pipe 13, aligning the sealing ring 19 on the outside of connecting pipe 24 with the docking groove 18 inside connecting cylinder 17. Once the sealing ring 19 is inserted into the docking groove 18, spring 21 inside connecting cylinder 17 begins to function. Through the elasticity of spring 21, it pushes the locking block 22 towards the sealing ring 19. At this point, the locking block 22, under the action of spring 21, can clamp the sealing ring 19 tightly, ensuring it fits snugly within the docking groove 18, preventing oil and gas leakage from the gap between the sealing ring 19 and the docking groove 18. Simultaneously, the sealing ring 20 on the outside of connecting pipe 24 is in close contact with the inner wall of connecting pipe 13. The sealing ring 20, made of elastic material, is deformed by compression after connecting pipe 24 and connecting pipe 13 are connected, thus filling the tiny gap between them and further enhancing the sealing performance of the connection, effectively preventing oil and gas leakage.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A dual catalytic column structure of a cracking plant, comprising an upper column (1) and a lower column (2), characterized in that: The upper tower body (1) is fixedly connected with a connecting pipe one (3) and a connecting pipe two (4), the upper tower body (1) is fixedly connected with a filter layer (5) and a catalytic layer (6) inside, the upper tower body (1) is fixedly connected with an upper connecting disc (7) outside, the lower tower body (2) is fixedly connected with a lower connecting disc (8) outside, the lower surface of the upper tower body (1) is fixedly connected with a butt joint ring (11), the inner part of the upper connecting disc (7) is provided with a clamping groove (12), the lower connecting disc (8) is provided with a clamping assembly, the clamping assembly is used for disassembling and assembling the catalytic tower, the lower surface of the upper connecting disc (7) is provided with a butt joint assembly, and the butt joint assembly is used for assisting the butt joint of the upper tower body (1) and the lower tower body (2). The clamping assembly comprises a clamping barrel (13), the clamping barrel (13) is fixedly connected inside the lower connecting disc (8), the clamping barrel (13) is provided with a clamping rod (16) inside, the outer wall of the clamping rod (16) is fixedly connected with a limiting ring (14), the outer wall of the clamping rod (16) is sleeved with a spring one (15), and the clamping rod (16) is used for clamping the clamping groove (12).

2. A dual catalytic column structure of a cracking apparatus according to claim 1, characterized by: The butt joint assembly comprises a guide rod (9), the upper surface of the guide rod (9) is fixedly connected to the lower surface of the upper connecting disc (7), the inner part of the lower connecting disc (8) is provided with a guide hole (10), and the outer wall of the guide rod (9) is slidably connected to the inner wall of the guide hole (10).

3. The dual catalytic column structure of a cracking apparatus according to claim 1, characterized by: The outer wall of the connecting pipe one (3) is fixedly connected with a connecting barrel (17) on one side, and the outer wall of the connecting pipe two (4) is provided with a sealing ring (19) on one side.

4. A dual catalytic column structure of a cracking apparatus according to claim 3, characterized by: The inner part of the connecting barrel (17) is provided with a butt joint groove (18), and the butt joint groove (18) is used for butt joint with the sealing ring (19).

5. A dual catalytic column structure of a cracking apparatus according to claim 4, characterized by: The inner part of the connecting barrel (17) is fixedly connected with a spring two (21), and one end of the spring two (21) is fixedly connected with a clamping block (22).

6. A dual catalytic column structure of a cracking apparatus according to claim 5, characterized by: The clamping block (22) is used for clamping the sealing ring (19), and the outer wall of the connecting pipe two (4) is fixedly connected with a sealing ring (20) on one side.

7. The dual catalytic column structure of a cracking apparatus according to claim 1, characterized by: The upper surface of the upper tower body (1) is fixedly connected with an oil gas inlet (23).

8. The dual catalytic column structure of a cracking apparatus according to claim 1, characterized by: The lower surface of the lower tower body (2) is fixedly connected with an oil gas outlet (24).

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