Lining pipeline

Abstract

The utility model discloses a lining pipeline which comprises a pipe shell and a lining layer, an embedding groove is formed in the inner wall of the pipe shell, an embedding block capable of being embedded into the embedding groove is arranged on the lining layer, a plurality of partition grooves which are arranged in a crossed mode are formed in the inner side face of the lining layer, the lining layer is divided into a plurality of lining blocks through the partition grooves, and the lining blocks are arranged on the lining layer. Flanges are arranged on the outer sides of the two ends of the pipe shell, threaded grooves are formed in the positions, close to the inner sides, of the two ends of the pipe shell and the ends of the flanges, the two ends of the lining layer extend out of the ends of the pipe shell and are attached to the threaded grooves, sealing grooves are further formed in the ends of the flanges, and sealing gaskets are arranged on the sealing grooves. The inner wall of the pipe shell is provided with the embedded groove, and the inner lining layer is provided with the embedded block, so that when the inner lining layer is transition on the inner wall of the pipe shell, the embedded block of the inner lining layer can be inserted into the embedded layer of the pipe shell, the inner lining layer and the pipe shell are integrated more easily, and the fixing firmness of the inner lining layer is improved.

Description

Technical Field

[0001] This utility model belongs to the field of pipeline technology, and in particular relates to an inner-lined pipeline. Background Technology

[0002] To improve the wear resistance and high temperature resistance of pipelines, an inner lining is usually added inside the pipeline to expand its application scenarios.

[0003] Regarding lined pipes, in the prior art, a search reveals a utility model patent with Chinese patent authorization announcement number CN220851074U that discloses a high-temperature resistant ceramic pipe, such as... Figure 1 As shown, it mainly consists of a pipe shell, and the pipe shell is bonded with a pipe lining b.

[0004] In the actual implementation of existing technologies, similar lined pipes have been found to have areas for improvement: the lining is not embedded into the inner wall of the pipe during fixing, resulting in a need to improve its fixing firmness. Utility Model Content

[0005] In view of the shortcomings and defects in the existing technology, the purpose of this utility model is to provide a lined pipe that solves the problem that the inner lining of the pipe is not embedded into the inner wall of the pipe during fixing, resulting in the need to improve its fixing firmness.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a lined pipe, comprising a pipe shell and an inner lining layer, wherein the inner wall of the pipe shell is provided with an embedding groove, the inner lining layer is provided with an embedding block that can be embedded into the embedding groove, the inner side of the inner lining layer is provided with multiple intersecting dividing grooves, the dividing grooves dividing the inner lining layer into multiple lining blocks, flanges are provided on the outer sides of both ends of the pipe shell, threaded grooves are opened near the inner side of both ends of the pipe shell and the flange ends, the two ends of the inner lining layer extend out of the pipe shell ends and are attached to the threaded grooves, the flange ends are also provided with sealing grooves, and sealing gaskets are provided on the sealing grooves.

[0007] As a further improvement of this utility model, the embedding groove is a dovetail groove.

[0008] As a further improvement of this utility model, the dividing grooves between adjacent liner blocks are arranged alternately.

[0009] As a further improvement of this utility model, the inner lining layer includes, in sequence, a high-temperature resistant layer, an anti-corrosion layer, and an explosion-proof layer from the side away from the outer casing to the side closer to the outer casing.

[0010] Compared with the prior art, this utility model has the following advantages:

[0011] 1. By setting grooves on the inner wall of the pipe shell and setting blocks on the inner lining, the blocks of the inner lining can be inserted into the inner lining of the pipe shell when the inner lining is laid on the inner wall of the pipe shell, making it easier for the inner lining and the pipe shell to fuse together and increasing the fixation of the inner lining. In addition, multiple dividing grooves are set on the inner lining, which divide the inner lining into multiple lining blocks. First, when transporting liquids of different temperatures, the deformation of the inner lining caused by thermal expansion and contraction is reduced, and the wrinkles and fall off of the inner lining are reduced. Second, when laying or pouring the inner lining, the deformation capacity of the inner side of the inner lining is increased, and the problem of poor connection caused by operational or manufacturing errors is compensated.

[0012] 2. By staggering the dividing grooves between adjacent lining blocks, the splitting of the inner lining layer is reduced. Attached Figure Description

[0013] The present invention will be further described below with reference to the accompanying drawings:

[0014] Figure 1 This is a schematic diagram of the existing technology;

[0015] Figure 2 This is a schematic diagram of the structure of this utility model;

[0016] Figure 3 for Figure 2 A sectional view;

[0017] Figure 4 for Figure 3 Enlarged view at point A;

[0018] Figure 5 for Figure 3 Enlarged view at point B;

[0019] In the diagram: 1. Outer shell; 2. Inner liner; 3. Insert groove; 4. Insert block; 5. Dividing groove; 6. Liner block; 7. Flange; 8. Threaded groove; 9. Sealing gasket; 10. Sealing groove. Detailed Implementation

[0020] The following is in conjunction with the appendix Figure 2-5 The present invention will be described in further detail below. For clarity, only the structures relevant to the inventive features of the present invention are shown in the figures.

[0021] For ease of description, the coordinate system is defined as follows: Figure 2 As shown, the left and right directions are horizontal, the front and back directions are vertical, and the up and down directions are vertical.

[0022] This utility model discloses an inner-lined pipe. (Refer to...) Figure 2 and Figure 3 A lined pipe includes a pipe shell 1 and an inner lining layer 2, and additionally, as Figure 4As shown, the inner wall of the outer casing 1 is provided with an embedding groove 3, which is a dovetail groove, and the inner lining layer 2 is provided with an embedding block 4 that can be embedded into the embedding groove 3, such as... Figure 2 As shown, the inner surface of the inner lining layer 2 is provided with multiple intersecting dividing grooves 5, which divide the inner lining layer 2 into multiple lining blocks 6. The dividing grooves 5 between adjacent lining blocks 6 are arranged alternately to reduce the splitting of the inner lining layer 2. In addition, the inner lining layer 2 includes a high-temperature resistant layer, an anti-corrosion layer, and an explosion-proof layer in sequence from the side away from the outer casing 1 to the side closer to the outer casing 1.

[0023] like Figure 2 , Figure 3 and Figure 5 As shown, flanges 7 are provided on the outer sides of both ends of the pipe shell 1. Threaded grooves 8 are provided on the inner sides of both ends of the pipe shell 1 and the ends of the flanges 7. The inner lining 2 extends out of the ends of the pipe shell 1 and is attached to the threaded grooves 8. A sealing groove 10 is also provided at the end of the flange 7. A sealing gasket 9 is provided on the sealing groove 10.

[0024] This invention features an embedded groove 3 on the inner wall of the outer casing 1 and an embedded block 4 on the inner lining layer 2. Therefore, when the inner lining layer 2 is laid on the inner wall of the outer casing 1, the embedded block 4 of the inner lining layer 2 can be inserted into the embedded layer of the outer casing 1, making it easier for the inner lining layer 2 and the outer casing 1 to fuse together, thus increasing the stability of the inner lining layer 2. Furthermore, multiple dividing grooves 5 are provided on the inner lining layer 2, dividing it into multiple lining blocks 6. This serves two purposes: firstly, it reduces deformation of the inner lining layer 2 due to thermal expansion and contraction when transporting liquids at different temperatures, reducing wrinkles and detachment; secondly, it increases the deformation capacity of the inner side of the inner lining layer 2 during laying or casting, compensating for poor alignment caused by operational or manufacturing errors.

[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. It should be understood that the specific embodiments described herein are only for understanding this utility model and are not intended to limit this utility model. All other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this utility model.

Claims

1. A lined pipe, comprising a pipe shell and an inner lining layer, characterized in that: The inner wall of the outer casing is provided with an embedding groove, and the inner lining layer is provided with an embedding block that can be embedded into the embedding groove. The inner side of the inner lining layer is provided with multiple intersecting dividing grooves, which divide the inner lining layer into multiple lining blocks. Flanges are provided on the outer sides of both ends of the outer casing. Threaded grooves are opened near the inner side of both ends of the outer casing and the flange ends. The two ends of the inner lining layer extend out of the ends of the outer casing and are attached to the threaded grooves. The flange ends are also provided with sealing grooves, and sealing gaskets are provided on the sealing grooves.

2. The lining pipe according to claim 1, characterized in that: The embedded groove is a dovetail groove.

3. The lining pipe according to claim 1, characterized in that: The dividing grooves between adjacent liner blocks are arranged alternately.

4. A lined pipe according to any one of claims 1-3, characterized in that: The inner lining layer, from the side furthest from the outer casing to the side closest to the outer casing, includes, in sequence, a high-temperature resistant layer, a corrosion-resistant layer, and an explosion-proof layer.

Images