High-temperature pressure-bearing type organic heat carrier furnace flange sealing structure

Abstract

The utility model discloses a high temperature pressure type organic heat carrier furnace flange sealing structure, including organic heat carrier furnace, the both ends of organic heat carrier furnace are connected with liquid inlet pipe and liquid outlet pipe, and one end of liquid inlet pipe and liquid outlet pipe is connected with sealing assembly, is provided with auxiliary assembly on liquid inlet pipe, and sealing assembly and auxiliary assembly mutually cooperate, realized the stable, safe delivery of organic heat carrier under high temperature pressure condition, on one hand, sealing assembly has guaranteed the high sealing property of the connection between liquid inlet pipe, liquid outlet pipe and delivery pipe, has effectively prevented the leakage of organic heat carrier under high temperature high pressure working condition, has guaranteed the safety, stability and high efficiency of production process, has avoided the fire, environmental pollution etc. accident caused by medium leakage, on the other hand, can filter organic heat carrier in auxiliary assembly, intercepts the impurity in it, prevents the impurity from piling up in the pipeline and blocking the pipeline.

Description

Technical Field

[0001] This utility model relates to the field of organic heat carrier furnace technology, and more specifically, to a flange sealing structure for a high-temperature pressure-bearing organic heat carrier furnace. Background Technology

[0002] The pressure-bearing flange sealing structure of an organic heat carrier furnace is a key component used in organic heat carrier furnace systems. Organic heat carrier furnaces, as advanced heat transfer equipment, are widely used in numerous industrial fields such as petrochemicals, textile printing and dyeing, and food processing. Their main function is to achieve efficient heat transfer and exchange through the circulation of organic heat carriers (such as heat transfer oil) within the system. The flange sealing structure is installed at the connection between the inlet and outlet pipes of the organic heat carrier furnace, ensuring the sealing of the pipe connection under harsh conditions such as high temperature and high pressure. This prevents leakage of the organic heat carrier, ensuring the safety, stability, and efficiency of the entire production process. It plays a crucial role in maintaining the normal operation of the production unit and preventing accidents such as fires and environmental pollution caused by media leakage.

[0003] However, the traditional high-temperature pressure-bearing organic heat carrier furnace flange sealing structure currently on the market has some shortcomings. Under high-temperature environments, the sealing performance of the flange connection often decreases due to flange deformation caused by thermal expansion and degradation of sealing material performance, which can easily lead to leakage of organic heat carrier from the sealing surface. In addition, under high-pressure conditions, the sealing structure is difficult to effectively resist the medium pressure, and the sealing elements are prone to being washed away, squeezed out or damaged, which further reduces the reliability of the seal. Moreover, the existing sealing structure lacks effective filtration measures for impurities that may be contained in the organic heat carrier. Impurities are easy to accumulate in the pipeline, which can not only block the pipeline, but also cause wear on the sealing surface, exacerbating the risk of seal failure and affecting the long-term stable operation of the entire organic heat carrier furnace system. It is difficult to meet the requirements of modern industrial production for high temperature, high pressure, high sealing performance and long service life.

[0004] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content

[0005] In view of the problems in related technologies, this utility model proposes a high-temperature pressure-bearing organic heat carrier furnace flange sealing structure to overcome the above-mentioned technical problems existing in the existing related technologies.

[0006] Therefore, the specific technical solution adopted by this utility model is as follows:

[0007] A high-temperature pressure-bearing organic heat carrier furnace flange sealing structure includes an organic heat carrier furnace. The two ends of the organic heat carrier furnace are connected to an inlet pipe and an outlet pipe. A sealing assembly is connected to one end of the inlet pipe and the outlet pipe. An auxiliary assembly is provided on the inlet pipe. The sealing assembly includes a sealing component one and a sealing component two. The sealing component one is provided at one end of the inlet pipe and the outlet pipe, and the sealing component two is provided on the sealing component one.

[0008] Furthermore, the sealing component includes a connecting flange, which is respectively disposed at one end of the inlet pipe and the outlet pipe. Connecting grooves are provided at equal intervals on one side of the connecting flange, and sealing protrusions are provided inside the connecting grooves.

[0009] Furthermore, a sealing gasket is provided on the sealing protrusion, a connecting flange is provided on one side of the sealing protrusion, and a conveying pipe is provided on one side of the connecting flange.

[0010] Furthermore, the second sealing component includes a clamp, which is disposed around the periphery of the first connecting flange and the second connecting flange. Bolts are installed between the clamps. Sealing springs are symmetrically arranged at equal intervals on the inner wall of the clamp. A sealing gasket is installed at one end of the sealing spring, and the sealing gasket is in contact with one side of the first connecting flange and the second connecting flange.

[0011] Furthermore, the auxiliary components include a connecting cylinder and a guide cylinder. One end of the connecting cylinder and the guide cylinder are respectively connected to a section of the conveying pipe. The inner wall of the guide cylinder is provided with a guide plate, and the interior of the connecting cylinder is provided with a drive blade, on which a rotating rod is provided.

[0012] Furthermore, the rotating rod is mounted on the inner wall of the connecting cylinder via a mounting bracket, and a filter screen is mounted on the rotating rod via a bearing, with the outer wall of the filter screen fixedly mounted on the inner wall of the connecting cylinder.

[0013] Furthermore, a cleaning scraper is provided on the rotating rod, and the cleaning scraper is in contact with one side of the filter screen.

[0014] The beneficial effects of this utility model are as follows: the sealing component and the auxiliary component work together to achieve stable and safe transportation of organic heat carriers under high temperature and pressure conditions. On the one hand, the sealing component ensures high sealing performance between the inlet pipe, outlet pipe and delivery pipe, effectively preventing leakage of organic heat carriers under high temperature and high pressure conditions, ensuring the safety, stability and efficiency of the production process, and avoiding accidents such as fires and environmental pollution caused by media leakage. On the other hand, the auxiliary component can filter the organic heat carrier, intercept impurities, and prevent impurities from accumulating and clogging the pipes. At the same time, the cleaning scraper on the rotating rod cleans the filter screen as the rotating rod rotates, ensuring the filtration effect and smooth flow, reducing the wear of impurities on the sealing surface, reducing the risk of seal failure, and extending the service life of the organic heat carrier furnace system, enabling it to better meet the requirements of modern industrial production for high temperature, high pressure, high sealing performance and long service life. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in 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.

[0016] Figure 1 This is a schematic diagram of the overall structure of a high-temperature pressure-bearing organic heat carrier furnace flange sealing structure according to an embodiment of the present utility model;

[0017] Figure 2 This is a schematic diagram of the sealing component structure of a high-temperature pressure-bearing organic heat carrier furnace flange sealing structure according to an embodiment of the present utility model;

[0018] Figure 3 This is a partial structural breakdown of the sealing component of a high-temperature pressure-bearing organic heat carrier furnace flange sealing structure according to an embodiment of the present invention. Figure 1 ;

[0019] Figure 4 This is a partial structural diagram of a sealing component of a high-temperature pressure-bearing organic heat carrier furnace flange sealing structure according to an embodiment of the present invention. Figure 1 ;

[0020] Figure 5 This is a partial structural breakdown of the sealing component of a high-temperature pressure-bearing organic heat carrier furnace flange sealing structure according to an embodiment of the present invention. Figure 2 ;

[0021] Figure 6This is a partial structural diagram of a sealing component of a high-temperature pressure-bearing organic heat carrier furnace flange sealing structure according to an embodiment of the present invention. Figure 2 ;

[0022] Figure 7 This is a partial structural breakdown of the sealing component of a high-temperature pressure-bearing organic heat carrier furnace flange sealing structure according to an embodiment of the present invention. Figure 3 ;

[0023] Figure 8 This is a schematic diagram of the auxiliary component structure of a high-temperature pressure-bearing organic heat carrier furnace flange sealing structure according to an embodiment of the present utility model;

[0024] Figure 9 This is a partial side sectional view of an auxiliary component of a flange sealing structure for a high-temperature pressure-bearing organic heat carrier furnace according to an embodiment of the present utility model;

[0025] Figure 10 This is a partial exploded view of the auxiliary components of a flange sealing structure for a high-temperature pressure-bearing organic heat carrier furnace according to an embodiment of the present invention.

[0026] In the picture:

[0027] 1. Organic heat carrier furnace; 2. Inlet pipe; 3. Outlet pipe; 4. Auxiliary components; 5. Sealing component one; 6. Sealing component two; 7. Connecting flange one; 8. Connecting groove; 9. Sealing protrusion; 10. Sealing gasket one; 11. Connecting flange two; 12. Conveying pipe; 13. Clamp; 14. Bolt; 15. Sealing spring; 16. Sealing gasket two; 17. Cleaning scraper; 18. Connecting cylinder; 19. Guide cylinder; 20. Guide plate; 21. Drive blade; 22. Rotating rod; 23. Filter screen. Detailed Implementation

[0028] 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.

[0029] Example 1:

[0030] like Figures 1-7As shown, a high-temperature pressure-bearing organic heat carrier furnace flange sealing structure according to an embodiment of the present utility model includes an organic heat carrier furnace 1. The two ends of the organic heat carrier furnace 1 are connected to an inlet pipe 2 and an outlet pipe 3. One end of the inlet pipe 2 and the outlet pipe 3 is connected to a sealing assembly. The sealing assembly includes a sealing component 1 5 and a sealing component 2 6. The sealing component 1 5 is disposed at one end of the inlet pipe 2 and the outlet pipe 3, and the sealing component 2 6 is disposed on the sealing component 1 5.

[0031] The sealing component 5 includes a connecting flange 7, which is respectively disposed at one end of the inlet pipe 2 and the outlet pipe 3. A connecting groove 8 is provided at equal intervals on one side of the connecting flange 7. A sealing protrusion 9 is provided inside the connecting groove 8. A sealing gasket 10 is provided on the sealing protrusion 9. A connecting flange 2 11 is provided on one side of the sealing protrusion 9. A delivery pipe 12 is provided on one side of the connecting flange 2 11.

[0032] Sealing component 2 6 includes a clamp 13, which is located around the connecting flange 1 7 and connecting flange 2 11. Bolts 14 are installed between the clamps 13. Sealing springs 15 are symmetrically arranged at equal intervals on the inner wall of the clamp 13. The sealing springs 15 are disc springs with a preload of 5-8 kN and are equidistantly arranged around the clamp 13 (spacing ≤ 30 mm). Under high temperature conditions, the springs are compressed and deformed, pushing the sealing gasket 2 16 to tightly adhere to the side wall of the flange to compensate for thermal expansion gaps. Sealing gasket 2 16 is installed at one end of the sealing spring 15, and sealing gasket 2 16 is in contact with one side of connecting flange 1 7 and connecting flange 2 11.

[0033] Example 2:

[0034] like Figure 1 , Figures 8-10As shown, according to an embodiment of the present invention, a high-temperature pressure-bearing organic heat carrier furnace flange sealing structure includes an auxiliary component 4 on the inlet pipe 2. The auxiliary component 4 includes a connecting cylinder 18 and a guide cylinder 19. One end of the connecting cylinder 18 and the guide cylinder 19 are respectively connected to a section of the conveying pipe 12. A guide plate 20 is provided on the inner wall of the guide cylinder 19. A drive blade 21 is provided inside the connecting cylinder 18. When the organic heat carrier flows through the drive blade 21, it drives the rotating rod 22 to rotate. The cleaning scraper 17 (made of polytetrafluoroethylene coated stainless steel) scrapes off impurities on the surface of the filter screen 23 at a 45° angle. The pore size of the filter screen 23 is... The filter screen is 0.1-0.3mm thick and made of 316L stainless steel. A rotating rod 22 is installed on the drive blade 21. The rotating rod 22 is mounted on the inner wall of the connecting cylinder 18 via a mounting bracket. A filter screen 23 is mounted on the rotating rod 22 via a bearing. The outer wall of the filter screen 23 is fixed to the inner wall of the connecting cylinder 18 via a snap-fit ​​annular bracket. The bracket is made of 316L stainless steel and the snap-fit ​​spacing is 10mm to ensure that the filter screen 23 does not shift under high pressure. The outer wall of the filter screen 23 is fixedly mounted on the inner wall of the connecting cylinder 18. A cleaning scraper 17 is installed on the rotating rod 22 and contacts one side of the filter screen 23.

[0035] To facilitate understanding of the above-mentioned technical solutions of this utility model, the working principle or operation method of this utility model in actual process will be described in detail below.

[0036] In summary, with the help of the above-mentioned technical solution of this utility model, when the high-temperature pressure-bearing organic heat carrier furnace 1 is working, the organic heat carrier is first heated in the organic heat carrier furnace 1, and then the organic heat carrier enters the system through the liquid inlet pipe 2. At this time, the auxiliary component 4 on the liquid inlet pipe 2 starts to work, and the organic heat carrier flows into the connecting cylinder 18, driving the drive blade 21 to rotate. The drive blade 21 drives the rotating rod 22 to rotate. The filter screen 23 on the rotating rod 22 filters the organic heat carrier and intercepts impurities. At the same time, the cleaning scraper 17 on the rotating rod 22 rotates with the rotating rod 22 to clean the filter screen 23, preventing impurities from accumulating and clogging the filter screen 23, and ensuring the filtration effect and smooth flow.

[0037] The filtered organic heat carrier continues to flow, guided by the guide plate 20 inside the guide tube 19, changing the flow direction and velocity distribution, so that the organic heat carrier enters the subsequent pipeline more evenly and reduces the impact on the sealing structure. When the organic heat carrier passes through the sealing component 5, the sealing protrusion 9 on the connecting flange 7 presses the sealing gasket 10 to form a preliminary seal to prevent leakage of the organic heat carrier. At the same time, the clamp 13 in the sealing component 6 is fitted around the connecting flange 7 and the connecting flange 11 and fixed by bolts 14. The sealing spring 15 on the inner wall of the clamp 13 presses the sealing gasket 16. The sealing gasket 16 is in close contact with the connecting flange 7 and the connecting flange 11, further enhancing the sealing effect. Under high temperature conditions, the sealing spring 15 is deformed by pressure, pushing the sealing gasket 16 to fit more tightly against the flange sidewall, compensating for the gap caused by thermal expansion and ensuring the reliability of the seal.

[0038] After heat exchange, the organic heat carrier flows back to the organic heat carrier furnace 1 through the liquid outlet pipe 3. Throughout the process, the sealing components and auxiliary components 4 work together to ensure the stable and safe transport of the organic heat carrier under high temperature and pressure conditions, prevent leakage, and ensure the normal operation of the organic heat carrier furnace system.

[0039] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. 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 flange sealing structure for a high-temperature pressure-bearing organic heat carrier furnace, comprising an organic heat carrier furnace (1), characterized in that, The organic heat carrier furnace (1) is connected to an inlet pipe (2) and an outlet pipe (3) at both ends. A sealing assembly is connected to one end of the inlet pipe (2) and the outlet pipe (3). An auxiliary assembly (4) is provided on the inlet pipe (2). The sealing assembly includes a sealing component one (5) and a sealing component two (6). The sealing component one (5) is provided at one end of the inlet pipe (2) and the outlet pipe (3), and the sealing component two (6) is provided on the sealing component one (5).

2. The high-temperature pressure-bearing organic heat carrier furnace flange sealing structure according to claim 1, characterized in that, The sealing component 1 (5) includes a connecting flange 1 (7), which is respectively located at one end of the inlet pipe (2) and the outlet pipe (3). A connecting groove (8) is provided at equal intervals on one side of the connecting flange 1 (7), and a sealing protrusion (9) is provided inside the connecting groove (8).

3. The high-temperature pressure-bearing organic heat carrier furnace flange sealing structure according to claim 2, characterized in that, A sealing gasket (10) is provided on the sealing protrusion (9), a connecting flange (11) is provided on one side of the sealing protrusion (9), and a conveying pipe (12) is provided on one side of the connecting flange (11).

4. The high-temperature pressure-bearing organic heat carrier furnace flange sealing structure according to claim 3, characterized in that, The sealing component 2 (6) includes a clamp (13), which is located on the periphery of the connecting flange 1 (7) and the connecting flange 2 (11). Bolts (14) are provided between the clamps (13). Sealing springs (15) are symmetrically arranged at equal intervals on the inner wall of the clamp (13). Sealing gasket 2 (16) is provided at one end of the sealing spring (15), and sealing gasket 2 (16) is in contact with one side of the connecting flange 1 (7) and the connecting flange 2 (11).

5. The high-temperature pressure-bearing organic heat carrier furnace flange sealing structure according to claim 3, characterized in that, The auxiliary component (4) includes a connecting cylinder (18) and a guide cylinder (19). One end of the connecting cylinder (18) and the guide cylinder (19) are respectively connected to a section of the conveying pipe (12). The inner wall of the guide cylinder (19) is provided with a guide plate (20). The interior of the connecting cylinder (18) is provided with a drive blade (21), and a rotating rod (22) is provided on the drive blade (21).

6. The high-temperature pressure-bearing organic heat carrier furnace flange sealing structure according to claim 5, characterized in that, The rotating rod (22) is mounted on the inner wall of the connecting cylinder (18) via a mounting bracket. A filter screen (23) is mounted on the rotating rod (22) via a bearing, and the outer wall of the filter screen (23) is fixedly mounted on the inner wall of the connecting cylinder (18).

7. The high-temperature pressure-bearing organic heat carrier furnace flange sealing structure according to claim 6, characterized in that, A cleaning scraper (17) is provided on the rotating rod (22), and the cleaning scraper (17) is in contact with one side of the filter screen (23).

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