Stainless steel polytetrafluoroethylene pipeline

Abstract

The utility model discloses a stainless steel polytetrafluoroethylene pipeline, which relates to the technical field of stainless steel lining pipes and comprises a pipeline main body, a first limiting sleeve is fixed on one side of the bottom of the pipeline main body, a second limiting sleeve is fixed on one side of the top of the pipeline main body, and supporting plates are fixed on two sides of the first limiting sleeve and two sides of the second limiting sleeve. Through the arrangement of the first limiting sleeve, the second limiting sleeve, the reinforcing ring, the supporting plate, the bolt and the nut, after one pipeline is placed, the other pipeline is placed from top to bottom, so that the two pipelines are connected, meanwhile, the two pipelines are limited through the first limiting sleeve and the second limiting sleeve, the situation that the two pipelines are separated forwards, backwards, leftwards or rightwards is avoided, and the safety is improved. Then secondary limiting can be completed only by screwing the two bolts and the two nuts, upward or downward separation of the two pipelines is avoided, and therefore separation of the two pipelines is effectively avoided; quick dismounting and mounting are convenient, construction and subsequent maintenance and replacement are facilitated, the structural strength is high, and loosening and breaking are not prone to occurring.

Description

Technical Field

[0001] The utility model relates to the technical field of stainless steel lined pipes, in particular to a stainless steel polytetrafluoroethylene pipe. Background Art

[0002] Stainless steel pipes with a PTFE lining layer are usually called: stainless steel PTFE pipes, stainless steel lined PTFE pipes, etc. PTFE is known as the king of plastics and has excellent temperature resistance and corrosion resistance. Therefore, stainless steel PTFE pipes are ideal for conveying highly corrosive media such as nitric acid, sulfuric acid, hydrofluoric acid, phosgene, chlorine, aqua regia, mixed acid, bromide and other organic solvents, and are widely used in the chemical industry.

[0003] Existing stainless steel PTFE pipes are usually fixed with flanges at both ends, forming connections between pipes, valves, and equipment through flanges. During installation and subsequent disassembly and replacement, several, dozens, or even dozens of bolts need to be manipulated, making the disassembly and assembly operations very time-consuming and labor-intensive. Utility Model Content

[0004] Based on this, the purpose of the present invention is to provide a stainless steel polyfluorocarbon pipe to solve the technical problems mentioned in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a stainless steel polyfluoroethylene pipe, comprising a pipe body, a first limit sleeve fixed to one side of the bottom of the pipe body, a second limit sleeve fixed to one side of the top of the pipe body, and support plates fixed on both sides of the first limit sleeve and the second limit sleeve, reinforcement rings fixed to the outer surfaces of the first limit sleeve and the second limit sleeve, a bolt passing through the bottom of the first limit sleeve, and a nut sleeved on the outside of the bolt.

[0006] By adopting the above technical solution, after placing one pipe, the other pipe is placed from top to bottom, so that the two pipes are connected, and at the same time, the two pipes are limited by the first limit sleeve and the second limit sleeve to prevent the two pipes from separating forward, backward, left or right. After that, only two bolts and nuts need to be tightened to complete the secondary limitation, preventing the two pipes from separating upward or downward, thereby effectively preventing the two pipes from separating, effectively reducing the number of bolt operations, thereby reducing time and effort; after tightening the structure, the thickness of the outer ring of the first support sleeve and the second support sleeve is increased by the reinforcement ring, and the sides of the first limit sleeve and the second limit sleeve are supported and reinforced by the support plate to prevent the first limit sleeve and the second limit sleeve from bending under pressure on both sides, resulting in an increase in the gap between the pipes, thereby increasing the stability of the structure.

[0007] Furthermore, the first limiting sleeve and the second limiting sleeve are both in the shape of a semicircular ring.

[0008] By adopting the above technical solution, the two pipes are limited by the first limiting sleeve and the second limiting sleeve to prevent the two pipes from separating forward, backward, left or right.

[0009] Furthermore, the cross section of the reinforcement ring is semicircular, and the longitudinal section of the reinforcement ring is annular.

[0010] By adopting the above technical solution, the thickness of the outer rings of the first support sleeve and the second support sleeve is increased by the reinforcement ring, thereby preventing the first limit sleeve and the second limit sleeve from bending under pressure on both sides, thereby preventing the gap between them and the pipeline from increasing.

[0011] Furthermore, the support plate is triangular.

[0012] By adopting the above technical solution, the side surfaces of the first limiting sleeve and the second limiting sleeve are supported and reinforced by the support plate, thereby further increasing the structural stability and preventing the first limiting sleeve and the second limiting sleeve from bending under pressure.

[0013] Furthermore, a plurality of support plates are provided, and the plurality of support plates are distributed in a fan-shaped array.

[0014] By adopting the above technical solution, the number of support plates is increased, thereby increasing the support points, thereby increasing the structural strength, so as to facilitate supporting both sides of the first limiting sleeve and the second limiting sleeve.

[0015] Furthermore, a lining layer is provided inside the pipe body.

[0016] By adopting the above technical solution, during the process of transporting fluid, the pipeline is supported by the pipeline body to prevent the pipeline from expanding or sinking. At the same time, the fluid is isolated by the lining layer to prevent the transported fluid from corroding the pipeline body.

[0017] Furthermore, the pipeline body is made of stainless steel, and the inner lining layer is made of polytetrafluoroethylene.

[0018] By adopting the above technical solution, the pipeline body is made of stainless steel material, which has good structural strength and is convenient for supporting the pipeline. The inner lining layer is made of polytetrafluoroethylene material, which has good corrosion resistance and prevents the pipeline from being corroded by the transported fluid.

[0019] Furthermore, sealing gaskets are attached to both sides of the pipeline body, and the sealing gaskets are polytetrafluoroethylene seals.

[0020] By adopting the above technical solution, the gap between the two pipes is filled with a sealing gasket, thereby preventing leakage of the fluid transported in the pipes.

[0021] In summary, the present invention has the following beneficial effects:

[0022] The utility model is provided with a first limiting sleeve, a second limiting sleeve, a reinforcement ring, a support plate, a bolt and a nut. After one pipe is placed, the other pipe is placed from top to bottom, thereby connecting the two pipes. At the same time, the two pipes are limited by the first limiting sleeve and the second limiting sleeve, preventing the two pipes from separating forward, backward, left or right. After that, only the two bolts and nuts need to be tightened to complete the secondary limiting, preventing the two pipes from separating upward or downward, thereby effectively preventing the two pipes from separating, effectively reducing the number of bolt operations, thereby reducing time and effort. After the structure is tightened, the thickness of the first support sleeve and the second support sleeve outer ring is increased by the reinforcement ring, and the side surfaces of the first limiting sleeve and the second limiting sleeve are supported and reinforced by the support plate, preventing the first limiting sleeve and the second limiting sleeve from bending after being subjected to pressure, resulting in an increase in the gap between the first limiting sleeve and the second limiting sleeve and the pipe, thereby increasing the stability of the structure. It is convenient and quick to disassemble and assemble, so as to facilitate construction and subsequent maintenance and replacement, and the structure has high strength and is not easy to loosen or break. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural diagram of the utility model;

[0024] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0025] Figure 3 This is a schematic diagram of the structure of the utility model when assembled;

[0026] Figure 4 This is a schematic diagram of the structure of the utility model after assembly.

[0027] In the figure: 1. Pipe body; 2. Inner lining; 3. Sealing gasket; 4. First limiting sleeve; 5. Second limiting sleeve; 6. Reinforcement ring; 7. Support plate; 8. Bolt; 9. Nut. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0029] The following describes an embodiment of the present invention based on its overall structure.

[0030] Example 1:

[0031] A stainless steel PTFE pipe, such as Figures 1-4As shown, it includes a pipe body 1, a first limiting sleeve 4 is fixed to one side of the bottom of the pipe body 1, and a second limiting sleeve 5 is fixed to one side of the top of the pipe body 1. The first limiting sleeve 4 and the second limiting sleeve 5 are both semicircular. The two pipes are limited by the first limiting sleeve 4 and the second limiting sleeve 5 to prevent the two pipes from separating forward, backward, left or right; support plates 7 are fixed on both sides of the first limiting sleeve 4 and the second limiting sleeve 5. The support plates 7 are triangular, and a plurality of support plates 7 are provided. The plurality of support plates 7 are distributed in a fan-shaped array. The sides of the first limiting sleeve 4 and the second limiting sleeve 5 are supported and reinforced; the outer surfaces of the first limiting sleeve 4 and the second limiting sleeve 5 are fixed with reinforcement rings 6, the cross section of the reinforcement ring 6 is semicircular, and the longitudinal section of the reinforcement ring 6 is circular, and the thickness of the outer ring of the first support sleeve and the second support sleeve is increased by the reinforcement ring 6; a bolt 8 passes through the bottom of the first limiting sleeve 4, and a nut 9 is sleeved on the outside of the bolt 8. Tightening the two bolts 8 and nuts 9 can complete the secondary limiting, preventing the two pipes from separating upward or downward, thereby effectively preventing the two pipes from separating.

[0032] See Figures 1-4 In the above embodiment, an inner lining layer 2 is provided inside the pipe body 1. The pipe body 1 is made of stainless steel, and the inner lining layer 2 is made of polytetrafluoroethylene. During the process of transporting fluid, the stainless steel pipe body 1 supports the entire pipe to prevent the pipe from expanding or sinking. At the same time, the polytetrafluoroethylene inner lining layer 2 isolates the fluid to prevent the transported fluid from corroding the pipe body 1.

[0033] Example 2:

[0034] On the basis of the above embodiment 1, in order to prevent fluid leakage, the following settings are now adopted.

[0035] See Figures 1-4 In the above embodiment, sealing gaskets 3 are attached to both sides of the pipeline body 1. The sealing gaskets 3 are polytetrafluoroethylene seals. The sealing gaskets 3 fill the gap between the two pipelines, thereby preventing leakage of the fluid transported in the pipeline.

[0036] The implementation principle of the utility model is as follows: first, during the construction and installation process, the worker places one pipe and then places the other pipe from top to bottom, so that the two pipes are connected. At the same time, the two pipes are limited by the first limiting sleeve 4 and the second limiting sleeve 5 to prevent the two pipes from separating forward, backward, left or right. After that, the worker only needs to tighten the two bolts 8 and nuts 9 to complete the secondary limiting, preventing the two pipes from separating upward or downward, thereby effectively preventing the two pipes from separating;

[0037] After the structure is tightened, the thickness of the outer rings of the first and second support sleeves is increased by the reinforcement ring 6, and the side surfaces of the first and second limiting sleeves 4, 5 are supported and reinforced by the support plate 7 to prevent the first and second limiting sleeves 4, 5 from bending under pressure, thereby increasing the gap between the first and second limiting sleeves 4, 5 and the pipeline, thereby increasing the stability of the structure;

[0038] During the process of transporting fluid, the pipeline is supported by the stainless steel pipeline body 1 to prevent the pipeline from expanding or sinking. At the same time, the fluid is isolated by the tetrafluoroethylene lining layer 2 to prevent the transported fluid from corroding the pipeline body 1. At the same time, the gap between the two pipelines is filled by the sealing gasket 3 to prevent the fluid transported in the pipeline from leaking.

[0039] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not limitations on the present invention. The specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and purpose of the present invention, but as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A stainless steel polyfluorocarbon pipe, comprising a pipe body (1), characterized in that: A first limiting sleeve (4) is fixed to one side of the bottom of the pipe body (1), a second limiting sleeve (5) is fixed to one side of the top of the pipe body (1), and support plates (7) are fixed on both sides of the first limiting sleeve (4) and the second limiting sleeve (5), and reinforcement rings (6) are fixed to the outer surfaces of the first limiting sleeve (4) and the second limiting sleeve (5), a bolt (8) passes through the bottom of the first limiting sleeve (4), and a nut (9) is sleeved on the outside of the bolt (8).

2. A stainless steel polyfluorocarbon pipe according to claim 1, characterized in that: The first limiting sleeve (4) and the second limiting sleeve (5) are both semicircular in shape.

3. The stainless steel polyfluorocarbon pipe according to claim 1, characterized in that: The cross section of the reinforcement ring (6) is semicircular, and the longitudinal section of the reinforcement ring (6) is annular.

4. The stainless steel polyfluorocarbon pipe according to claim 1, characterized in that: The support plate (7) is triangular in shape.

5. The stainless steel polyfluorocarbon pipe according to claim 4, characterized in that: A plurality of support plates (7) are provided, and the plurality of support plates (7) are distributed in a fan-shaped array.

6. The stainless steel PTFE pipe according to claim 1, characterized in that: An inner lining layer (2) is provided inside the pipe body (1).

7. The stainless steel polyfluorocarbon pipe according to claim 6, characterized in that: The pipeline body (1) is made of stainless steel, and the inner lining layer (2) is made of polytetrafluoroethylene.

8. The stainless steel polyfluorocarbon pipe according to claim 1, characterized in that: Sealing pads (3) are adhered to both sides of the pipeline body (1), and the sealing pads (3) are polytetrafluoroethylene seals.

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