Pipeline protection device for natural gas extraction
By designing a natural gas mining pipeline protection device including a protective frame and a coating drum, the problem of rainwater corrosion during outdoor mining connections in the prior art is solved, and effective corrosion protection and long-life use of the pipeline is achieved.
Patent Information
- Application Number
- CN202421513152.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-06-28
AI Technical Summary
When the existing natural gas mining pipeline protection devices are connected outdoors, they are susceptible to external rainwater corrosion, resulting in damage to the flange support frame and damage to the pipeline.
A pipeline protection device including mining pipes, flange fixing bolts, pipeline flanges and mining pipe installation components is designed. A protective frame and coating drum are combined to add protective layer solution through the coating liquid addition port. The coating liquid is applied to the outside of the mining pipe through the coating drum to form an anti-corrosion seal.
Effectively prevent the surface of the natural gas mining pipeline from corrosion by external rainwater, extend the service life of the pipeline, and regularly add anti-corrosion coating liquid to achieve regular anti-corrosion protection and maintenance of the pipeline.
Smart Images

Figure CN222616352U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field related to natural gas exploitation pipeline protection, in particular to a pipeline protection device used for natural gas exploitation. Background Art
[0002] Since the distance between the natural gas extraction site and the gas distribution center is too far, the assembled natural gas pipeline will be laid on various rugged mountains. When assembling the natural gas pipeline, pipeline support devices are often used to support and fix the pipeline. The natural gas extraction pipeline protection package is supported on the natural gas extraction pipe for line pipe protection installation.
[0003] The existing natural gas extraction pipeline protection is fixed by flange support. When the natural gas extraction pipeline is connected outdoors, the surface of the natural gas extraction pipeline is corroded by external rainwater, resulting in damage to the flange support frame and corrosion damage to the natural gas extraction pipeline. Utility Model Content
[0004] The purpose of the utility model is to provide a pipeline protection device for natural gas exploitation to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A pipeline protection device for natural gas production, comprising a production pipe, a flange fixing bolt, a pipeline flange and a production pipe installation assembly, wherein the connection part on the production pipe is installed with a pipeline flange, the fixing part on the pipeline flange is penetrated by a flange fixing bolt, the assembly part on the production pipe installation assembly is installed with a pipeline flange, and also includes:
[0007] A protective coating assembly installed on the production pipe;
[0008] A coating application assembly is arranged on the mining pipe;
[0009] Among them, a protective frame and a fixed flange are provided at the movable part of the mining pipe, a coating roller is installed at the movable part of the protective frame, a support rod is threadedly connected to the front end of the protective frame, a coating liquid addition port is fixedly installed at the top of the protective frame, and a pipeline connection flange is fixedly installed at the end of the mining pipe.
[0010] The pipeline protection device for natural gas extraction as described above: the protection frame is slid into the interior of the pipeline flange through the coating roller.
[0011] The pipeline protection device for natural gas production as described above: the protection frame and the fixing flange are fastened to the outside of the production pipe by flange fixing bolts.
[0012] The pipeline protection device for natural gas extraction as described above: the protective coating component includes a hidden groove opened on the pipeline flange, and fastening holes are opened around the hidden groove.
[0013] The pipeline protection device for natural gas production as described above: the hidden groove can accommodate a coating roller, and the coating roller slides into the interior of the pipeline flange through the hidden groove.
[0014] The pipeline protection device for natural gas extraction as described above: the coating application assembly includes a bearing movably mounted inside the coating roller, and a movable brush is movably mounted inside the bearing.
[0015] The pipeline protection device for natural gas production as described above: the bearing is fitted on the outside of the production pipe through a movable brush.
[0016] Compared with the prior art, the utility model has the following beneficial effects: the protective layer solution is added to the inside of the coating liquid adding port, and the coating liquid adding port is connected and installed on the protection frame. When the coating liquid in the protection frame is applied to the outside of the production pipe through the coating roller, the coating liquid inside the coating roller flows to the inside of the hidden groove and the fastening hole to perform anti-corrosion sealing. The natural gas production pipeline protection is fixed by flange support and supported by the protection frame and the pipeline flange. When the natural gas production pipeline is connected for outdoor production, the protection frame prevents the surface connection of the natural gas production pipeline from being corroded by external rainwater.
[0017] The user then seals the coating liquid adding port, and the coating liquid is applied to the outer surface of the production pipe through the coating roller and the movable brush. When the surface of the natural gas production pipeline is corroded by external rain water, the user can regularly add anti-corrosion coating liquid to the coating liquid adding port, and the natural gas production pipeline can be regularly coated for anti-corrosion protection and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0019] Figure 2 It is a schematic diagram of the structure of the protective coating assembly of the utility model;
[0020] Figure 3 It is a structural schematic diagram of the coating application component of the utility model.
[0021] In the figure: 1. mining pipe; 2. flange fixing bolt; 3. pipeline flange; 4. coating roller; 5. protection frame; 6. support rod; 7. coating liquid addition port; 8. fixing flange; 9. pipeline connection flange; 10. fastening hole; 11. hidden groove; 12. bearing; 13. movable brush. DETAILED DESCRIPTION
[0022] Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. The same reference numerals in the accompanying drawings represent elements with the same or similar functions. Although various aspects of the embodiments are shown in the accompanying drawings, the drawings are not necessarily drawn to scale unless otherwise specified.
[0023] The word “exemplary” is used exclusively herein to mean “serving as an example, example, or illustration.” Any embodiment described herein as “exemplary” is not necessarily to be construed as preferred or advantageous over other embodiments.
[0024] In addition, in order to better illustrate the present application, numerous specific details are provided in the specific embodiments below. It should be understood by those skilled in the art that the present application can also be implemented without certain specific details. In some examples, methods, means, and elements well known to those skilled in the art are not described in detail in order to highlight the subject matter of the present application.
[0025] See also Figures 1 to 3 A pipeline protection device for natural gas production is proposed, including a production pipe 1, a flange fixing bolt 2, a pipeline flange 3 and a production pipe installation assembly.
[0026] A pipeline flange 3 is installed at the connection of the production pipe 1, a flange fixing bolt 2 is passed through the fixing part of the pipeline flange 3, a pipeline flange 3 is installed at the assembly part of the production pipe installation component, a protective coating component is installed on the production pipe 1; a coating application component is arranged on the production pipe 1;
[0027] The pipeline flange 3 is fastened to the production pipe 1 through the flange fixing bolt 2, and the production pipe 1 can be externally supported and protected, and then the pipeline flange 3 is distributed and reinforced on the natural gas production pipeline;
[0028] Among them, a protective frame 5 and a fixed flange 8 are provided at the movable part of the mining pipe 1, a coating roller 4 is installed at the movable part of the protective frame 5, a support rod 6 is threadedly connected to the front end of the protective frame 5, a coating liquid addition port 7 is fixedly installed at the top of the protective frame 5, and a pipeline connection flange 9 is fixedly installed at the end of the mining pipe 1.
[0029] In this embodiment, the coating roller 4 is movably installed on the protection frame 5, and the protection frame 5 is slidably installed on the production pipe 1 through the coating roller 4. The user can add the protective layer solution to the coating liquid addition port 7, and the coating liquid addition port 7 is connected and installed on the protection frame 5. The coating liquid in the protection frame 5 is applied to the outside of the production pipe 1 through the coating roller 4, so that the user can perform regular anti-corrosion maintenance on the natural gas production pipeline. The natural gas production pipeline is supported and protected by the fixed flange 8 and the pipeline connecting flange 9.
[0030] Preferably, the protection frame 5 slides into the pipeline flange 3 through the coating roller 4. When the coating liquid in the protection frame 5 is applied to the outside of the production pipe 1 through the coating roller 4, the protection frame 5 is slidably installed inside the pipeline flange 3 through the coating roller 4 for protection merging.
[0031] Preferably, the protection frame 5 and the fixed flange 8 are fastened to the outside of the production pipe 1 by means of the flange fixing bolts 2, and the protection frame 5, the fixed flange 8 and the pipeline connecting flange 9 are fastened in the same manner, so that the flange fixing bolts 2 are distributed and snapped on the protection frame 5, the fixed flange 8 and the pipeline connecting flange 9 to perform the natural gas production pipeline protection installation.
[0032] Please refer to Figure 1 and Figure 2 In this embodiment, the protective coating assembly includes a hidden groove 11 formed on the pipeline flange 3 , and fastening holes 10 are formed around the hidden groove 11 .
[0033] The hidden groove 11 is opened at the rear end of the pipeline flange 3, so that the fastening holes 10 are opened around the hidden groove 11. The hidden groove 11 and the fastening holes 10 can be movably installed with the protection frame 5. The connection of the protection frame 5 is installed inside the hidden groove 11 and the fastening holes 10, which can protect and seal the connection of the natural gas production pipeline.
[0034] Preferably, the hidden groove 11 can place the coating roller 4, and the coating roller 4 slides into the pipeline flange 3 through the hidden groove 11. The hidden groove 11 and the fastening hole 10 can movably install the protection frame 5. When the connection of the protection frame 5 is installed in the hidden groove 11 and the fastening hole 10, the coating roller 4 on the protection frame 5 is installed in the hidden groove 11 and the fastening hole 10, and the support rod 6 is reinforced and inserted into the fastening hole 10. The protective layer solution is added to the coating liquid adding port 7, and the coating liquid adding port 7 is connected and installed on the protection frame 5. When the coating liquid in the protection frame 5 is applied to the outside of the mining pipe 1 through the coating roller 4, the coating liquid inside the coating roller 4 flows to the hidden groove 11 and the fastening hole 10 to perform anti-corrosion sealing.
[0035] Please refer to Figure 1 and Figure 3 In this embodiment, the coating application assembly includes a bearing 12 movably mounted inside the coating roller 4 , and a movable brush 13 is movably mounted inside the bearing 12 .
[0036] The bearing 12 is movably mounted inside the coating roller 4 , and the coating roller 4 is movably mounted outside the mining pipe 1 through the bearing 12 , so that the movable brush 13 on the coating roller 4 fits the outside of the mining pipe 1 .
[0037] Preferably, the bearing 12 is installed on the outside of the mining pipe 1 through a movable brush 13. When the coating liquid in the protective frame 5 is applied to the outside of the mining pipe 1 through the coating roller 4, the user seals the coating liquid addition port 7, and the coating liquid is applied to the outer surface of the mining pipe 1 through the coating roller 4 and the movable brush 13.
[0038] As can be seen from the above, the user can add the protective layer solution to the coating liquid addition port 7, which is connected and installed on the protective frame 5. The coating liquid in the protective frame 5 is applied to the outside of the production pipe 1 through the coating roller 4, so that the user can perform regular anti-corrosion maintenance on the natural gas production pipeline. The support rod 6 is reinforced and inserted into the fastening hole 10. The protective layer solution is added to the coating liquid addition port 7, which is connected and installed on the protective frame 5. When the coating liquid in the protective frame 5 is applied to the outside of the production pipe 1 through the coating roller 4, the coating liquid inside the coating roller 4 flows to the hidden groove 11 and the fastening hole 10 for anti-corrosion sealing.
[0039] When the connection of the protective frame 5 is installed inside the hidden groove 11 and the fastening hole 10, the coating roller 4 on the protective frame 5 is installed inside the hidden groove 11 and the fastening hole 10, the support rod 6 is reinforced and inserted into the fastening hole 10, and the protective layer solution is added to the coating liquid adding port 7, and the coating liquid adding port 7 is connected and installed on the protective frame 5.
[0040] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0041] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A pipeline protection device for natural gas production, comprising a production pipe (1), a flange fixing bolt (2), a pipeline flange (3) and a production pipe installation assembly, wherein the connection portion on the production pipe (1) is installed with the pipeline flange (3), the fixing portion on the pipeline flange (3) is penetrated by the flange fixing bolt (2), and the assembly portion on the production pipe installation assembly is installed with the pipeline flange (3), characterized in that: It also includes the following: A protective coating assembly mounted on the production pipe (1); A coating application component, arranged on the mining pipe (1); A protective frame (5) and a fixed flange (8) are provided at the movable part of the mining pipe (1); a coating roller (4) is installed at the movable part of the protective frame (5); a support rod (6) is threadedly connected to the front end of the protective frame (5); a coating liquid addition port (7) is fixedly installed at the top end of the protective frame (5); and a pipeline connection flange (9) is fixedly installed at the end of the mining pipe (1).
2. A pipeline protection device for natural gas production according to claim 1, characterized in that: The protection frame (5) is slid into the interior of the pipeline flange (3) by means of a coating roller (4).
3. A pipeline protection device for natural gas production according to claim 1, characterized in that: The protection frame (5) and the fixing flange (8) are fastened to the outside of the production pipe (1) via flange fixing bolts (2).
4. A pipeline protection device for natural gas production according to claim 1, characterized in that: The protective coating assembly comprises a hidden groove (11) formed on a pipeline flange (3), and fastening holes (10) are formed around the hidden groove (11).
5. A pipeline protection device for natural gas production according to claim 4, characterized in that: The hidden groove (11) can accommodate a coating roller (4), and the coating roller (4) slides into the interior of the pipeline flange (3) through the hidden groove (11).
6. A pipeline protection device for natural gas production according to claim 1, characterized in that: The coating application assembly comprises a bearing (12) movably mounted inside the coating roller (4), and a movable brush (13) is movably mounted inside the bearing (12).
7. A pipeline protection device for natural gas production according to claim 6, characterized in that: The bearing (12) is fitted on the outside of the production pipe (1) via a movable brush (13).