Leakage-proof oil pipeline
By setting up multiple sealing structures and anti-rust devices on the flange of the oil pipeline, the leakage problem caused by flange exposure is solved, and three-layer seal protection and bolt hiding are achieved, ensuring the safety of the pipeline and the reduction of maintenance costs.
Patent Information
- Application Number
- CN202420016218.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-04
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-01-04
AI Technical Summary
The flange of the oil pipeline is exposed to the external environment for a long time, which causes the bolts to rust, causing the refined oil to leak, and the single sealing structure is difficult to effectively prevent oil leakage.
A leak-proof oil pipeline was designed, and a three-layer sealing protection is formed by setting up a multi-channel sealing structure and anti-rust device on the flange, including a sealing ring, a sealing groove and an anti-rust device, to form a three-layer sealing protection to prevent oil leakage and hide bolts to avoid Rust.
It effectively avoids oil leakage, reduces the cost of later maintenance, and ensures the long-term safety of the pipeline through multiple sealing structures and anti-rust devices.
Smart Images
Figure CN222297244U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of oil pipelines, in particular to a leakage-proof oil pipeline. Background Art
[0002] Oil and gas pipelines are the lifeblood of the oil industry, and the safety of oil pipelines plays a very important role in the entire oil industry. The pipes of finished oil pipelines are generally steel pipes, and multiple sections of pipes are connected into long-distance pipelines mainly by welding and flanges. The operation process is complicated and time-consuming, which restricts the progress of pipeline construction.
[0003] Since the pipelines and flanges are exposed to the external environment for a long time, the exposed bolts are easily corroded, causing the finished oil in the pipeline to leak from the flange. In addition, when the pipelines are connected by flanges, the pipelines are only sealed by a single sealing structure, which makes it easy for the finished oil in the pipeline to leak. Utility Model Content
[0004] In order to solve the problem raised in the above background technology that the exposed bolts are easily corroded due to the pipeline and flange being exposed to the external environment for a long time, resulting in leakage of the finished oil in the pipeline from the flange, and the pipelines are only sealed by a single sealing structure when the pipelines are connected by flanges, which makes it easy for the finished oil in the pipeline to leak, the utility model provides the following technical solutions:
[0005] A leak-proof oil pipeline comprises a pipeline 1 and a pipeline 2 for oil transportation, wherein the pipe body of the pipeline 1 is provided with a flange 1 for connecting with the pipeline 2, the pipe body of the pipeline 2 is provided with a flange 2 for connecting with the flange 1 to connect the pipeline 1 and the pipeline 2, and an anti-rust device for rust-proofing the connection between the flange 2 and the flange 1 is provided on the right side of the flange 2.
[0006] A sealing ring 1 is arranged on the right side wall of the flange 1 for cooperating with the flange 2 to seal the pipe 1 and the pipe 2, a sealing ring 2 is arranged on the right side wall of the flange 1 for cooperating with the flange 2 to seal the pipe 1 and the pipe 2, and the sealing ring 2 is located on the inner side of the sealing ring 1, and a sealing groove 1 is opened on the right side wall of the flange 1 for cooperating with the flange 2 to seal the pipe 1 and the pipe 2.
[0007] A sealing groove 2 is provided on the left side wall of the flange 2 for movably connecting the sealing ring 1 and sealing the pipes 1 and 2. A sealing groove 3 is provided on the left side wall of the flange 2 for movably connecting the sealing ring 2 and sealing the pipes 1 and 2. A sealing ring 3 is fixedly installed on the left side wall of the flange 2 for inserting into the sealing groove 1 and sealing the pipes 1 and 2.
[0008] Furthermore, a threaded hole is provided on the right side wall of flange one for connection with flange two, and there are a plurality of threaded holes, which are distributed in a circular array on the right side wall of flange one.
[0009] Furthermore, the flange body of flange 2 is provided with bolts for inserting into the hole cavity of the threaded hole to threadably fix flange 1 and flange 2, and there are multiple bolts, which are threadably connected to multiple flanges 1 in a circular array.
[0010] Furthermore, a countersunk hole for sinking the bolt head of the bolt into the flange body of flange 2 is opened on the right side wall of flange 2, and there are a plurality of countersunk holes, which are distributed in a circular array on the right side wall of flange 2.
[0011] Furthermore, a slot is provided on the right side wall of the flange 2 for engaging with the anti-rust device to cover the plurality of countersunk holes, and there are two slots, which are symmetrically distributed on the upper and lower sides of the plurality of countersunk holes. A disassembly hole is provided on the right side wall of the flange 2 for facilitating the removal of the anti-rust device from the hole groove of the slot.
[0012] Furthermore, the anti-rust device comprises a clamping block which is engaged with the disassembly hole, and a clamping plate for sealing and covering the countersunk hole is fixedly mounted on the top of the clamping block.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] By arranging sealing ring 1, sealing ring 2, sealing ring 3, sealing groove 1, sealing groove 2, sealing groove 3 and anti-rust device, sealing ring 2 on flange 1 is inserted into sealing groove 3 to form a first sealing mechanism, sealing ring 3 on flange 2 is inserted into sealing groove to form a second sealing structure, and sealing ring 1 on flange 1 is inserted into sealing groove 2 to form a third sealing structure. Through the three sealing structures, oil leakage can be avoided; the oil pipeline has three layers of sealing protection, reducing the later maintenance cost; and by clamping the two clamping blocks at the bottom of the clamping plate into the groove of the clamping groove, the clamping plate can be used to cover the countersunk hole to prevent the bolts from further rusting and falling off, thereby further preventing oil leakage in the oil pipeline. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 This is a cross-sectional view of a flange of the utility model;
[0017] Figure 3 This is a second sectional view of the flange of the utility model;
[0018] Figure 4 This is a schematic diagram of the structure of flange 2 of the utility model;
[0019] Figure 5 This is a schematic diagram of the structure of the rust prevention device of the utility model.
[0020] In the accompanying drawings, the names of the components represented by the reference numerals are listed as follows:
[0021] 100-Pipeline 1;
[0022] 200-Pipeline 2;
[0023] 300-flange 1, 301-threaded hole, 302-sealing ring 1, 303-sealing groove 1, 304-sealing ring 2;
[0024] 400-flange 2, 401-bolt, 402-sealing groove 2, 403-sealing ring 3, 404-sealing groove 3, 405-slot, 406-countersunk hole, 407-disassembly hole;
[0025] 500-anti-rust device, 510-clip board, 520-clip block. DETAILED DESCRIPTION
[0026] The preferred specific implementation methods for implementing the present utility model are described in detail below, and a clear and complete description is made in conjunction with the accompanying drawings.
[0027] See also Figure 1-Figure 5 The utility model provides a leakage-proof oil pipeline.
[0028] Oil and gas pipelines are the lifeblood of the oil industry, and the safety of oil pipelines occupies a very important position in the entire oil industry. The pipes of the finished oil pipeline are generally steel pipes, and welding and flanges are mainly used to connect multiple sections of pipes into long-distance pipelines. The operation process is complicated and time-consuming, which restricts the progress of pipeline construction. Flange connection; because the pipeline and the flange are exposed to the external environment for a long time, the exposed bolts are easily corroded, causing the finished oil in the pipeline to leak from the flange. In addition, when the pipelines are connected by flanges, the pipelines are only sealed by a single sealing structure, which is easy to leak the finished oil in the pipeline. Therefore, it is necessary to improve it, which includes a pipeline 100 and a pipeline 200 for oil transportation, a flange 1300 for connecting with the pipeline 200 is provided on the pipe body of the pipeline 100, and a flange 2400 for connecting with the flange 1300 is provided on the pipe body of the pipeline 200. The flange 2400 is used to connect the pipeline 100 and the pipeline 200. The right side of the flange 2400 is provided with a rust-proof device 500 for rust-proofing the connection between the flange 2400 and the flange 1300;
[0029] The right side wall of flange 1 300 is provided with a sealing ring 1 302 for cooperating with flange 2 400 to seal pipeline 1 100 and pipeline 2 200, the right side wall of flange 1 300 is provided with a sealing ring 2 304 for cooperating with flange 2 400 to seal pipeline 1 100 and pipeline 2 200, and the sealing ring 2 304 is located on the inner side of the sealing ring 1 302, and the right side wall of flange 1 300 is provided with a sealing groove 1 303 for cooperating with flange 2 400 to seal pipeline 1 100 and pipeline 2 200, and The sealing groove 1 303 is located between the sealing ring 1 302 and the sealing ring 2 304, and the sealing ring 1 302, the sealing ring 2 304 and the flange 1 300 are integrated, so that the pipeline 1 100 and the pipeline 2 200 can be conveniently connected through the flange 1 300 and the flange 2 400, so as to ensure the long-distance transportation of oil, and under the sealing between the sealing ring 1 302 and the sealing groove 2 402, the sealing ring 2 304 and the sealing groove 3 404, the oil can be effectively prevented from leaking from the connection between the pipeline 1 100 and the pipeline 2 200;
[0030] The left wall of the flange 400 is provided with a sealing groove 402 for movably connecting the sealing ring 302 and sealing the pipeline 100 and the pipeline 200. The left wall of the flange 400 is provided with a sealing groove 304 for movably connecting the sealing ring 304 and sealing the pipeline 100 and the pipeline 200. The left wall of the flange 400 is provided with a sealing groove 303 for inserting into the sealing groove 304 and sealing the pipeline 100 and the pipeline 200. 0, so that when the pipeline 100 is connected to the pipeline 200, the sealing ring 1 302 on the flange 1 300 can be inserted into the sealing groove 2 402, the sealing ring 2 304 can be inserted into the sealing groove 3 404, and the sealing ring 3 403 on the flange 2 400 can be inserted into the sealing groove 301, so that a three-stage sealing structure can be realized, thereby preventing oil leakage; the oil pipeline has three layers of sealing protection, reducing the later maintenance cost;
[0031] The right side wall of flange 1 300 is provided with threaded holes 301 for connection with flange 2 400, and there are a plurality of threaded holes 301, which are distributed in a circular array on the right side wall of flange 1 300, and the threaded holes 301 are sinking holes, so as to avoid the bolts 401 being exposed to the outside when flange 1 300 and flange 2 400 are fixed by bolts 401, and the bolts 401 being rusted over a long period of time;
[0032] The flange body of the second flange 400 is provided with bolts 401 for inserting into the hole cavity of the threaded hole 301 to threadably fix the flange 1 300 and the second flange 400, and there are a plurality of bolts 401, and the plurality of bolts 401 are threadably connected with the plurality of flanges 1 300 in a circumferential array, so that when the pipe 1 100 is connected with the pipe 2 200, the plurality of bolts 401 can be threadably connected to the plurality of threaded holes 301, so that the flange 1 300 and the second flange 400 can be fixed; the right side wall of the second flange 400 is provided with a plurality of bolts 401, and the plurality of bolts 401 are threadably connected to the plurality of flanges 1 300. There are countersunk holes 406 for sinking the bolt heads of bolts 401 into the flange body of flange 2 400, and there are a plurality of countersunk holes 406, which are distributed in a circular array on the right wall of flange 2 400, so that when a plurality of bolts 401 are threadedly connected to a plurality of threaded holes 301, the screw heads of bolts 401 are located in the flange body of flange 2 400, and then the bolts 401 can be hidden by tightening the anti-rust device 500, thereby solving the problem of rusting of bolts 401 caused by long-term exposure to the air;
[0033] A slot 405 is provided on the right side wall of the flange 2 400 for engaging with the rust prevention device 500 to cover the plurality of countersunk holes 406, and there are two slots 405, which are symmetrically distributed on the upper and lower sides of the plurality of countersunk holes 406. A disassembly hole 407 is provided on the right side wall of the flange 2 400 for facilitating the disassembly of the rust prevention device 500 from the hole groove of the slot 405, and there are two disassembly holes 407, which are symmetrically distributed on the right side wall of the flange 2 400. When it is necessary to disassemble the flange 1 300 from the flange 2 400, a screwdriver can be inserted into the two disassembly holes 407 to remove the rust prevention device 500 from the slot 405, and then the plurality of bolts 401 can be screwed out from the threaded holes 301, and the flange 1 300 and the flange 2 400 can be disassembled.
[0034] The anti-rust device 500 includes a clamping block 520 that is snap-connected to the disassembly hole 407, and a clamping plate 510 for sealing and covering the countersunk hole 406 is fixedly installed on the top of the clamping block 520, so that when the bolt 401 is tightly covered, the two clamping blocks 520 located at the bottom end of the clamping plate 510 can be clamped into the groove of the clamping groove 405, and the clamping plate can be used to cover the countersunk hole 406 to prevent the bolt 401 from further rusting and falling off.
[0035] Based on the above content and the accompanying drawings, those skilled in the art can understand and implement the utility model. In addition, any non-creative modifications made to the utility model by those skilled in the art without making creative work still fall within the scope of protection of the utility model.
Claims
1. A leak-proof oil pipeline, comprising a pipeline 1 (100) and a pipeline 2 (200) for oil transportation, characterized in that: The pipe body of the first pipe (100) is provided with a flange 1 (300) for connecting with the second pipe (200), the pipe body of the second pipe (200) is provided with a flange 2 (400) for connecting with the flange 1 (300) to connect the first pipe (100) and the second pipe (200), and the right side of the flange 2 (400) is provided with a rust prevention device (500) for preventing rust at the connection between the flange 2 (400) and the first flange (300); The right side wall of the flange 1 (300) is provided with a sealing ring 1 (302) for cooperating with the flange 2 (400) to seal the pipeline 1 (100) and the pipeline 2 (200); the right side wall of the flange 1 (300) is provided with a sealing ring 2 (304) for cooperating with the flange 2 (400) to seal the pipeline 1 (100) and the pipeline 2 (200); the sealing ring 2 (304) is located on the inner side of the sealing ring 1 (302); the right side wall of the flange 1 (300) is provided with a sealing groove 1 (303) for cooperating with the flange 2 (400) to seal the pipeline 1 (100) and the pipeline 2 (200); The left side wall of the flange 2 (400) is provided with a sealing groove 2 (402) for flexibly connecting the sealing ring 1 (302) and sealing the pipeline 1 (100) and the pipeline 2 (200); the left side wall of the flange 2 (400) is provided with a sealing groove 3 (404) for flexibly connecting the sealing ring 2 (304) and sealing the pipeline 1 (100) and the pipeline 2 (200); the left side wall of the flange 2 (400) is fixedly provided with a sealing ring 3 (403) for inserting into the sealing groove 1 (303) and sealing the pipeline 1 (100) and the pipeline 2 (200).
2. The anti-leakage oil pipeline according to claim 1, characterized in that: The right side wall of the flange 1 (300) is provided with a threaded hole (301) for connecting with the flange 2 (400), and there are a plurality of threaded holes (301), which are distributed in a circular array on the right side wall of the flange 1 (300).
3. The anti-leakage oil pipeline according to claim 2, characterized in that: The flange body of the second flange (400) is provided with bolts (401) for inserting into the hole cavity of the threaded hole (301) to threadably fix the first flange (300) and the second flange (400), and there are a plurality of bolts (401), and the plurality of bolts (401) are arranged in a circular array and threadably connected with the plurality of first flanges (300).
4. The anti-leakage oil pipeline according to claim 3, characterized in that: The right side wall of the flange 2 (400) is provided with a countersunk hole (406) for sinking the bolt head of the bolt (401) into the flange body of the flange 2 (400), and there are a plurality of countersunk holes (406), which are distributed in a circular array on the right side wall of the flange 2 (400).
5. The anti-leakage oil pipeline according to claim 4, characterized in that: The right side wall of the second flange (400) is provided with a slot (405) for engaging with the anti-rust device (500) to cover the plurality of countersunk holes (406), and there are two slots (405), which are symmetrically distributed on the upper and lower sides of the plurality of countersunk holes (406). The right side wall of the second flange (400) is provided with a disassembly hole (407) for facilitating disassembly of the anti-rust device (500) from the hole groove of the slot (405).
6. The anti-leakage oil pipeline according to claim 5, characterized in that: The anti-rust device (500) comprises a clamping block (520) that is clamped and connected to the disassembly hole (407), and a clamping plate (510) for sealing and covering the counterbore (406) is fixedly mounted on the top of the clamping block (520).