Device for prolonging service life of vertical filling well pipeline
By wrapping a protective layer around the outer wall of the wear area and utilizing a protective structure composed of guide plates and metal mesh, the problem of severe wear in vertical filling well pipelines has been solved, resulting in a longer pipeline lifespan and improved safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-18
- Publication Date
- 2026-04-03
AI Technical Summary
The vertical filling well pipes suffer severe wear during the flow of the paste, resulting in a high risk of leakage and making pipe replacement difficult, thus affecting safety and efficiency.
A protective layer is formed by wrapping the outer wall of the wear area with a cladding layer. The protective structure composed of a baffle plate and a metal mesh prevents the paste from directly washing over the pipe. By forming a solidified protective layer in the wear area, the service life of the pipe is extended.
This effectively prevents grease leakage, extends the service life of pipes, reduces the risk and difficulty of pipe replacement, and ensures safety and efficiency.
Smart Images
Figure CN224079801U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of non-ferrous metal paste filling technology, and in particular to a device for extending the service life of vertical filling well pipelines. Background Technology
[0002] The widespread application of paste filling technology has provided strong protection for the personal safety of underground workers in metal and non-metal mines. Pipelines, as the carriers of paste, are deployed in vertical boreholes, filling shafts, horizontal tunnels, inclined shafts, and ramps as the depth of the underground mining area increases. The pipelines are affected by the flow velocity and properties of the paste, causing increased wear as the filling volume increases, posing a significant risk to the safe long-distance transportation of high-concentration paste. Especially in filling shafts, the paste flows through vertical pipes with high velocity and strong impact, generating enormous scouring forces on the filling pipes within the shaft, often causing point-like or vertical linear wear and leakage in specific areas of the filling shaft. The usual method to address this wear is to replace the filling pipes to ensure the continued use of the entire vertical pipeline in the filling shaft; however, this method presents challenges such as the difficulty and time required for replacement within the filling shaft, and the high safety risks to personnel. To address the above issues and extend the service life of vertical filling well pipelines, a device for extending the service life of vertical filling well pipelines was developed. Utility Model Content
[0003] To address or partially address the problems existing in related technologies, this application provides a device for extending the service life of vertical filling well pipelines. In areas of severe wear or through-wear, the outer wall of the pipeline is wrapped with tiles and welded to form a protective layer outside the wear area. Ultimately, the flowing paste is directly flushed onto the solidified paste in the wrapped area, thereby extending the service life of the filling well pipeline.
[0004] The first aspect of this application provides a device for extending the service life of a vertical filling well pipeline, comprising: a cladding layer, a guide plate, a metal mesh, and a sealing plate. The cladding layer consists of at least two fan-shaped arc-shaped plates forming a reserved space on the outside of the vertical filling pipeline, and the reserved space forms a sealed structure based on the sealing plate. The guide plate is arranged along the inner wall of the fan-shaped arc-shaped plate, forming a funnel-shaped structure within the reserved space. An installation groove is provided on the guide plate, and a metal mesh is installed within the installation groove. The metal mesh is arranged in the interval area between the guide plates and connected in pairs.
[0005] The cladding layer includes four 90° fan-shaped arc plates, and the guide plates are four inclined triangular plates.
[0006] The end of the guide plate has an arc-shaped transition structure, and the curvature of the inward arc is consistent with the curvature of the original pipe outer wall.
[0007] The guide plate has an arc-shaped mounting groove on each side, and an elastic rubber pad is placed inside the arc-shaped mounting groove.
[0008] The metal mesh has a curved structure and consists of four pieces. The metal mesh pieces are connected in pairs by buckles in the reserved space to form a protective frame.
[0009] The technical solution provided in this application may include the following beneficial effects:
[0010] This application provides a device for extending the service life of vertical filling well pipes. By welding a metal sheet around the outer wall of the pipe in severely worn or worn areas, the severely worn or worn areas are wrapped inside, forming a protective layer outside the worn area of the vertical filling pipe in the filling well. This allows the flowing paste during filling to be repeatedly flushed onto the solidified paste in the protective layer, effectively preventing paste leakage without replacing the pipe. The scouring effect on the outside of the pipe wall also increases the service life of the vertical filling pipe.
[0011] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and do not limit this application. Attached Figure Description
[0012] The above and other objects, features and advantages of this application will become more apparent from the more detailed description of exemplary embodiments thereof in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components in the exemplary embodiments thereof.
[0013] Figure 1 This is an installation schematic diagram of the device for extending the service life of vertical filling well pipelines shown in the embodiments of this application;
[0014] Figure 2 This is a schematic diagram of the internal structure of a device for extending the service life of vertical filling well pipes, as shown in an embodiment of this application;
[0015] Figure label:
[0016] In the diagram, 1-filling well; 2-vertical filling pipe; 3-sealing plate; 4-cladding layer; 5-metal mesh; 6-guide plate. Detailed Implementation
[0017] Embodiments of this application will now be described in more detail with reference to the accompanying drawings. While embodiments of this application are shown in the drawings, it should be understood that this application may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to make this application more thorough and complete, and to fully convey the scope of this application to those skilled in the art.
[0018] It should be understood that although the terms "first," "second," "third," etc., may be used in this application to describe various information, this information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of this application, first information may also be referred to as second information, and similarly, second information may also be referred to as first information. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.
[0019] In the description of this application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.
[0020] Unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.
[0021] The technical solutions of the embodiments of this application are described in detail below with reference to the accompanying drawings.
[0022] A device for extending the service life of a vertical filling well 1 pipeline includes: a cladding layer 4, a guide plate 6, a metal mesh 5, and a sealing plate 3. For example... Figure 2As shown, the cladding layer 4 includes four 90° fan-shaped arc plates, forming a reserved space outside the vertical filling pipe 2. The reserved space forms a sealed structure based on the upper and lower sealing plates 3. Four triangular plates, inclined along the inner wall of the fan-shaped arc plates, are guide plates 6. The ends of the guide plates 6 extend to the vertical filling pipe 2, forming a converging funnel-shaped structure within the reserved space. This guides the flowing paste into the reserved space, preventing "flow around" and ensuring complete filling of the reserved space during subsequent filling. The ends of the guide plates 6 have an arc-shaped transition structure, and the curvature of the inward arc is consistent with the curvature of the original pipe outer wall. The arc design reduces the "cutting resistance" to the paste, preventing eddies generated by right-angle edges from intensifying the local scouring of the pipe outer wall by the paste. Furthermore, the arc surface guides some paste to "flow along the pipe outer wall," further filling the bottom of the reserved space.
[0023] Each side of the guide plate 6 has an arc-shaped mounting groove, with an elastic pad inside. A metal mesh 5 is installed within each groove, and each mesh 5 is held in place by two arc-shaped grooves (a total of 8 grooves, 2 for each mesh). When the mesh 5 is inserted, the elastic pads are compressed, causing elastic deformation that fills the gap between the mesh and the groove, eliminating movement. Friction provides a "flexible fixation," preventing wear from hard contact. Four curved mesh 5s are provided, their height matching the reserved space to ensure complete coverage. This ensures the mesh does not obstruct the flow of the upper paste or affect the filling of the lower paste. The mesh 5s are arranged in the intervals between the guide plates 6, limited by the mounting grooves on both sides. Adjacent mesh 5s are connected by clips, forming a ring of mesh 5 within the reserved space. The mesh aperture matches the paste particle size, and after filling, the paste forms a "composite material protective layer" with the mesh, improving the device's erosion resistance.
[0024] like Figure 1 As shown, the vertical filling pipe 2 is arranged inside the filling well 1. A device for extending the service life of the pipe in the vertical filling well 1 is installed in the area where the pipe wall of the vertical filling pipe 2 is worn through. The assembly process is as follows:
[0025] Inspect the worn areas of the pipeline to determine the extent of the enclosure, and clean rust and impurities from the outer wall of the pipeline. Weld the guide plate 6 to the inner wall of the four-lobed clasp, prefabricate the metal mesh 5, and install barbed clips on both upper edges. All components are coated with two coats of epoxy resin paint for corrosion protection.
[0026] After determining the pipeline installation location underground, the four-lobed sheaths are sequentially fastened onto the outside of the pipeline, achieving precise alignment using positioning pins. The concentricity of the sheaths and the original pipeline is adjusted, and a feeler gauge is used to check for uniformity of the gaps. The sheath joints are welded, and after welding, they are allowed to cool for 10 minutes to prevent thermal deformation from affecting structural stability. From the top of the sheaths, the metal mesh 5 is sequentially inserted into the gap between the two guide plates 6. After all the meshes are inserted, they are manually pushed and pulled to check for any displacement. Then, the barbs of adjacent metal mesh 5 are fastened to secure them, ultimately connecting the metal mesh 5 in pairs. Finally, the upper and lower ends of the device are sealed with sealing plates 3, and the welds around the area where the sheath layer 4 is worn through to the pipe wall are sealed. After the paste is filled, it solidifies within the reserved space of the sheath layer 4, forming a protective layer outside the wear area of the vertical filling pipe in the filling well 1. During refilling, the flowing paste directly washes over the solidified paste in the protective layer, preventing leakage in the wear area and eliminating the need for replacement, thus extending the service life of the vertical filling pipe 2.
[0027] Finally, it should be noted that in this document, relationships such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "include," "contain," or any other variations are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus.
[0028] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.
[0029] The various embodiments of this application have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen to best explain the principles, practical application, or improvement of the technology in the market, or to enable others skilled in the art to understand the embodiments disclosed herein.
Claims
1. A device for extending the service life of vertical filling well pipes, characterized in that, include: The system comprises a cladding layer, a flow guide plate, a metal mesh, and a sealing plate. The cladding layer consists of at least two fan-shaped arc-shaped plates forming a reserved space on the outside of the vertical filling pipe. The reserved space forms a sealed structure based on the sealing plate. The flow guide plate is arranged along the inner wall of the fan-shaped arc-shaped plate, forming a funnel-shaped structure within the reserved space. The flow guide plate has an installation groove, and the metal mesh is installed within the installation groove. The metal mesh is arranged in the interval area between the flow guide plates and connected in pairs.
2. The device for extending the service life of vertical filling well pipelines according to claim 1, characterized in that, The cladding layer includes four 90° fan-shaped arc plates, and the guide plate consists of four inclined triangular plates.
3. The device for extending the service life of vertical filling well pipelines according to claim 2, characterized in that, The end of the guide plate has an arc-shaped transition structure, and the curvature of the inward arc is consistent with the curvature of the original pipe outer wall.
4. The device for extending the service life of vertical filling well pipelines according to claim 1, characterized in that, An arc-shaped mounting groove is provided on each side of the guide plate, and an elastic rubber pad is provided in the arc-shaped mounting groove.
5. The device for extending the service life of vertical filling well pipelines according to claim 1, characterized in that, The metal mesh has a curved structure and consists of four pieces. The metal mesh pieces are connected in pairs by snaps within the reserved space to form a protective frame.