CN215152717U - Winding type fluorine lining pipeline - Google Patents
Winding type fluorine lining pipeline Download PDFInfo
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- CN215152717U CN215152717U CN202121411283.0U CN202121411283U CN215152717U CN 215152717 U CN215152717 U CN 215152717U CN 202121411283 U CN202121411283 U CN 202121411283U CN 215152717 U CN215152717 U CN 215152717U
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- shell
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- steel wire
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Abstract
The utility model discloses a winding type fluorine lining pipeline, which comprises a shell and a winding type lining arranged in the shell, wherein the lining is adhered in the shell through a bonding agent, a plurality of through holes penetrating through the shell are arranged on the shell, and the bonding agent is at least partially accommodated in the through holes; the inside lining includes the polytetrafluoroethylene layer, gathers perfluor ethylene propylene layer and glass fiber layer, and the polytetrafluoroethylene layer bonds in the glass fiber layer through gathering perfluor ethylene propylene layer, has buried the steel wire underground in the polytetrafluoroethylene layer. Through the through holes formed in the shell, air between the shell and the lining can be conveniently discharged through the through holes during bonding, and meanwhile, the bonding agent enters the through holes, so that the contact area between the bonding agent and the shell is increased, and the bonding strength is improved; the steel wire is used for replacing a metal net, so that the steel wire can be wound in the polytetrafluoroethylene layer more tightly, and the thermal expansion and cold contraction resistance of the polytetrafluoroethylene layer is improved.
Description
Technical Field
The utility model relates to a pipeline corrosion prevention technical field especially relates to a wound form lining fluorine pipeline.
Background
The corrosion problem of production equipment is very prominent in the industrial departments of chemical industry, oil refining, light industry, metallurgy and the like. One solution to this problem is to use a thin layer of corrosion resistant material, such as teflon, to line the shell, which may be made of steel or other materials, to provide a corrosion resistant lined product. The product has the excellent performances of corrosion resistance and pressure resistance, but has the defect of no negative pressure resistance, and the defect is more obvious when the product size is larger and the working temperature is higher. Therefore, in the case of negative pressure operation or improper operation to generate negative pressure, the lining layer is often sucked and deflated, the interior of the device is blocked, and normal production is damaged. In order to solve the problem of shedding of the fluoroplastic under thermal expansion, a technical scheme of reinforcing by using a metal mesh is provided.
However, in the process of implementing the technical solution of the present invention in the embodiment of the present application, the inventors of the present application find that the above-mentioned technology has at least the following problems:
when bonding the wound form inside lining at the casing inside, can not be convenient with the air between casing and the inside lining completely discharge, lead to appearing the swell in the pipeline, reduced bonding strength.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wound form lining fluorine pipeline makes it can normally work under the negative pressure, especially under high negative pressure operating condition.
The utility model discloses a realize through following technical scheme:
a winding type fluorine lining pipeline comprises a shell and a winding type lining arranged in the shell, wherein the lining is adhered in the shell through a bonding agent, a plurality of through holes penetrating through the shell are formed in the shell, and the bonding agent is at least partially accommodated in the through holes; the inside lining includes the polytetrafluoroethylene layer, gathers perfluor ethylene propylene layer and glass fiber layer, and the polytetrafluoroethylene layer bonds in the glass fiber layer through gathering perfluor ethylene propylene layer, has buried the steel wire underground in the polytetrafluoroethylene layer.
Further, the steel wire is helically arranged in the polytetrafluoroethylene layer.
Further, the diameter of the steel wire is 0.1-5 mm.
Further, the binder is an epoxy resin.
Furthermore, a plug is arranged on one side, away from the lining, of the through hole.
The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:
1. through the through holes formed in the shell, air between the shell and the lining can be conveniently discharged through the through holes during bonding, and meanwhile, the bonding agent enters the through holes, so that the contact area between the bonding agent and the shell is increased, and the bonding strength is improved;
2. the steel wire is used for replacing a metal net, so that the steel wire can be wound in the polytetrafluoroethylene layer more tightly, and the thermal expansion and cold contraction resistance of the polytetrafluoroethylene layer is improved.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
In the drawings, there is shown: 1. a housing; 11. a through hole; 12. a plug; 2. a binder; 3. a liner; 31. a polytetrafluoroethylene layer; 32. a layer of fluorinated ethylene propylene; 33. a glass fiber layer; 34. a steel wire.
Detailed Description
For better understanding of the above technical solutions, the following detailed descriptions will be made in conjunction with the accompanying drawings and the detailed description of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the winding type fluorine lining pipeline comprises a shell 1 and a winding type lining 3 arranged in the shell 1, wherein the lining 3 is adhered in the shell 1 through a bonding agent 2, the shell 1 is provided with a plurality of through holes 11 penetrating through the shell, and the bonding agent 2 is at least partially accommodated in the through holes 11; the liner 3 comprises a polytetrafluoroethylene layer 31, a fluorinated ethylene propylene layer 32 and a glass fiber layer 33, wherein the polytetrafluoroethylene layer 31 is bonded in the glass fiber layer 33 through the fluorinated ethylene propylene layer 32, and a steel wire 34 is embedded in the polytetrafluoroethylene layer 31.
Specifically, the shell 1 and the lining 3 are both of a cylindrical structure, the lining 3 sequentially comprises a polytetrafluoroethylene layer 31, a steel wire 34 layer, the polytetrafluoroethylene layer 31, a fluorinated ethylene propylene layer 32 and a glass fiber layer from inside to outside, the diameter of the steel wire 34 is 0.1-5mm, and specifically determined according to the caliber of the shell 1, the larger the caliber of the shell 1 is, the larger the diameter of the steel wire is; the steel wire 34 is spirally wound on the inner polytetrafluoroethylene layer 31; utilize steel wire 34 to replace the metal mesh, can twine steel wire 34 in polytetrafluoroethylene layer 31 more closely, improved the thermal expansion resistance and cold contraction performance of polytetrafluoroethylene layer 31.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
1. through the through holes formed in the shell, air between the shell and the lining can be conveniently discharged through the through holes during bonding, and meanwhile, the bonding agent enters the through holes, so that the contact area between the bonding agent and the shell is increased, and the bonding strength is improved;
2. the steel wire is used for replacing a metal net, so that the steel wire can be wound in the polytetrafluoroethylene layer more tightly, and the thermal expansion and cold contraction resistance of the polytetrafluoroethylene layer is improved.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be understood that the dimensions of the various features shown in the drawings are not drawn to scale for ease of illustration. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element in question must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a winding type fluorine lining pipeline, includes the casing and sets up the winding type inside lining in the casing, the inside lining passes through the binder and bonds in the casing which characterized in that:
the shell is provided with a plurality of through holes penetrating through the shell, and the adhesive is at least partially accommodated in the through holes;
the inside lining includes the polytetrafluoroethylene layer, gathers perfluor ethylene propylene layer and glass fiber layer, the polytetrafluoroethylene layer passes through gather perfluor ethylene propylene layer and bond in the glass fiber layer, the steel wire has been buried underground in the polytetrafluoroethylene layer.
2. A coiled fluorine lined pipe according to claim 1, wherein the steel wire is helically arranged in the polytetrafluoroethylene layer.
3. The coiled fluorine lined pipe of claim 1, wherein the steel wire has a diameter of 0.1-5 mm.
4. The coiled fluorine lined pipe of claim 1, wherein the adhesive is an epoxy resin.
5. The wound fluorine lined pipe of claim 1, wherein a side of the through hole away from the lining is provided with a plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121411283.0U CN215152717U (en) | 2021-06-24 | 2021-06-24 | Winding type fluorine lining pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121411283.0U CN215152717U (en) | 2021-06-24 | 2021-06-24 | Winding type fluorine lining pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215152717U true CN215152717U (en) | 2021-12-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121411283.0U Active CN215152717U (en) | 2021-06-24 | 2021-06-24 | Winding type fluorine lining pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215152717U (en) |
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2021
- 2021-06-24 CN CN202121411283.0U patent/CN215152717U/en active Active
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