Anti-cracking corrosion-resistant high-pressure pipe

Abstract

The utility model discloses an anti-cracking corrosion-resistant high-pressure pipe which comprises an inner pipe layer, a flow guide groove distributed in a spiral shape is formed in the inner wall of the inner pipe layer, and the section of the flow guide groove is semicircular. A reinforcing layer is arranged on the outer side of the inner pipe layer, and a plurality of reinforcing rods which are evenly distributed at equal angles are arranged in the reinforcing layer. A transition layer is arranged on the outer surface of the reinforcing layer, an outer protective layer is arranged on the outer surface of the transition layer, and a plurality of reinforcing ribs which are longitudinally and transversely distributed in a staggered mode are arranged on the outer surface of the outer protective layer. According to the high-pressure pipe, the inner pipe layer is made of the modified polyether-ether-ketone material, so that the high-pressure pipe has excellent corrosion resistance, the inner pipe layer can adapt to conveying of various corrosive media, and the corrosion resistance of the high-pressure pipe is improved; by arranging the reinforcing layer made of polyphenylene sulfide and the reinforcing rod made of stainless steel, the overall strength and the anti-pressure capacity of the high-pressure pipe are enhanced, and the high-pressure pipe can bear higher pressure and is not prone to deformation or cracking.

Description

TECHNICAL FIELD

[0001] The utility model relates to high pressure pipe technical field, concretely relates to a kind of anti-cracking corrosion-resistant high pressure pipe. BACKGROUND

[0002] In industrial production and many fields, the application of high pressure pipe is extremely wide, for example, in petroleum chemical industry, natural gas delivery and high pressure fluid transmission scene, high pressure pipe bears the key medium delivery task. When existing high pressure pipe bears high pressure and complex external force, crack can appear in weak part of pipe wall;When the fluid transported is corrosive, the inner surface of pipe body will be eroded, further weaken the strength of pipe wall, accelerate the generation and extension of crack, greatly affect the service life and safety of high pressure pipe.

[0003] Based on the above situation, the utility model provides a kind of anti-cracking corrosion-resistant high pressure pipe, which can effectively solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at the condition of prior art, overcomes the above defects, and provides a kind of anti-cracking corrosion-resistant high pressure pipe.

[0005] The utility model realizes by the following technical scheme:

[0006] A kind of anti-cracking corrosion-resistant high pressure pipe, including inner tube layer, the inner wall of the inner tube layer is opened with the flow guide groove that is distributed in spiral, the section of the flow guide groove is semicircular;The outside of the inner tube layer is provided with reinforcing layer, the inside of the reinforcing layer is provided with multiple reinforcing bars that are equiangularly and uniformly distributed;The outer surface of the reinforcing layer is provided with transition layer, the outer surface of the transition layer is provided with outer protective layer, the outer surface of the outer protective layer is equipped with multiple longitudinal and transverse staggered distribution reinforcing ribs, the section layer of the reinforcing rib is semicircular.

[0007] According to the above technical scheme, as the further preferred technical scheme of the above technical scheme, the inner tube layer is made of modified polyether ether ketone material.

[0008] According to the above technical scheme, as the further preferred technical scheme of the above technical scheme, the reinforcing layer is made of polyphenylene sulfide, and the reinforcing rod is made of stainless steel.

[0009] According to the above technical scheme, as the further preferred technical scheme of the above technical scheme, the transition layer is made of thermoplastic elastomer material.

[0010] According to the above technical scheme, as the further preferred technical scheme of the above technical scheme, the outer protective layer is made of fluororubber material.

[0011] Compared with prior art, the utility model has the following advantages and beneficial effects:

[0012] The anti-cracking corrosion-resistant high-pressure pipe has the advantages that the inner pipe layer is made of modified polyether ether ketone material, has excellent corrosion resistance, can adapt to the transportation of various corrosive media, and improves the corrosion resistance of the high-pressure pipe; the inner wall of the inner pipe layer is provided with spiral distribution, can guide the smooth flow of fluid, and reduces the resistance and turbulence phenomenon in the flow process of fluid; the reinforcing layer made of polyphenylene sulfide and the reinforcing rod made of stainless steel are arranged, the overall strength and pressure resistance of the high-pressure pipe are improved, so that the high-pressure pipe can withstand higher pressure without being easily deformed or cracked; the transition layer made of thermoplastic elastomer material is arranged, has good elasticity and flexibility, and improves the overall impact resistance of the high-pressure pipe; the outer protective layer made of fluororubber material is arranged, has excellent weather resistance and aging resistance, can effectively protect the layers of the high-pressure pipe from the erosion of the external environment, and prolongs the service life of the high-pressure pipe; meanwhile, the reinforcing ribs are arranged on the outer surface of the outer protective layer, can provide support and protection in different directions of the outer protective layer, and enhance the protection effect. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the utility model. DETAILED DESCRIPTION

[0014] In order to make the technical personnel in the art better understand the technical scheme of the utility model, the preferred implementation scheme of the utility model is described below in combination with specific embodiments, but it should be understood that the drawings are only used for exemplary description, and cannot be understood as the limitation to the patent; in order to better illustrate the embodiments, some components in the drawings can be omitted, enlarged or reduced, and do not represent the size of the actual product; for the technical personnel in the art, it is understandable that some well-known structures in the drawings and their description can be omitted. The positional relationship described in the drawings is only used for exemplary description, and cannot be understood as the limitation to the patent.

[0015] An anti-cracking corrosion-resistant high-pressure pipe, comprising an inner pipe layer 1, the inner wall of the inner pipe layer 1 is provided with a spiral distribution of flow guide grooves 11, and the cross section of the flow guide groove 11 is semicircular; the outer side of the inner pipe layer 1 is provided with a reinforcing layer 2, the inside of the reinforcing layer 2 is provided with a plurality of reinforcing rods 21 which are evenly distributed at equal angles; the outer surface of the reinforcing layer 2 is provided with a transition layer 3, the outer surface of the transition layer 3 is provided with an outer protective layer 4, the outer surface of the outer protective layer 4 is provided with a plurality of reinforcing ribs 41 which are longitudinally and transversely staggered, and the cross section of the reinforcing rib is semicircular.

[0016] The utility model discloses a spiral distribution flow guide groove 11 is seted up in the inner tube layer 1 inner wall, can guide the more smooth flow of fluid, reduce the resistance and turbulence phenomenon in the fluid flow process, through setting up the reinforcing layer 2 and the reinforcing rod 21, the overall strength and the compression resistance of high pressure pipe are enhanced, make it can bear higher pressure and not easy to deform or crack, through setting up the reinforcing rib 41, can provide support and protection in different directions of outer protective layer 4, enhance its protection effect.

[0017] Further, in another embodiment, the inner tube layer 1 is made of modified polyether ether ketone material.

[0018] By setting the inner tube layer 1 made of modified polyether ether ketone material, it has excellent corrosion resistance, so that the inner tube layer 1 can adapt to the transportation of various corrosive media, and improves the corrosion resistance of the high pressure pipe.

[0019] Further, in another embodiment, the reinforcing layer 2 is made of polyphenylene sulfide, and the reinforcing rod 21 is made of stainless steel.

[0020] By setting the reinforcing layer 2 made of polyphenylene sulfide, it can provide reliable strength support for the high pressure pipe; at the same time, the internal reinforcing rod is made of stainless steel, which, in combination with the reinforcing layer 2 made of polyphenylene sulfide, makes it not easy to deform or crack when bearing high pressure, and improves the overall compression resistance of the high pressure pipe.

[0021] Further, in another embodiment, the transition layer 3 is made of thermoplastic elastomer material.

[0022] By setting the transition layer 3 made of thermoplastic elastomer material, it has good elasticity and flexibility, and plays a role in buffering and transition, can absorb certain external impact, and improves the overall impact resistance of the high pressure pipe.

[0023] Further, in another embodiment, the outer protective layer 4 is made of fluororubber material.

[0024] By setting the outer protective layer 4 made of fluororubber material, it has excellent weather resistance and aging resistance, can effectively protect the internal structure of the high pressure pipe from the erosion of the external environment, and prolongs the service life of the high pressure pipe.

[0025] According to the description and drawings of the utility model, those skilled in the art can easily manufacture or use the anti-cracking and corrosion-resistant high pressure pipe, and can produce the positive effects described in the utility model.

[0026] Unless otherwise stated and limited, the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like, as used herein, refer to the orientation or position of the device or element shown in the drawings, and are used only to facilitate the description of the present application and simplify the description, and do not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore the terms describing the orientation or position of the device or element herein are only used for exemplary description, and cannot be understood as a limitation on the patent. For those skilled in the art, the specific meanings of the above terms can be understood in conjunction with the drawings and according to the specific circumstances.

[0027] Unless otherwise stated and limited, the terms "set", "connected" and "connected" in the present application should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication between the two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Any simple modification or equivalent change of the above embodiment according to the technical essence of the present application falls within the scope of protection of the present application.

Claims

1. A crack-resistant, corrosion-resistant, high-pressure pipe, characterized by: The application relates to a spiral flow guide pipe, which comprises an inner pipe layer (1), the inner wall of the inner pipe layer (1) is provided with helically distributed flow guide grooves (11), the cross section of the flow guide grooves (11) is semicircular; the outer side of the inner pipe layer (1) is provided with a reinforcing layer (2), the inside of the reinforcing layer (2) is provided with a plurality of equiangularly and uniformly distributed reinforcing rods (21); the outer surface of the reinforcing layer (2) is provided with a transition layer (3), the outer surface of the transition layer (3) is provided with an outer protective layer (4), the outer surface of the outer protective layer (4) is provided with a plurality of longitudinally and transversely staggered reinforcing ribs (41), and the cross section of the reinforcing ribs (41) is semicircular.

2. A corrosion resistant high pressure pipe resistant to cracking according to claim 1, characterized in that: The inner pipe layer (1) is made of modified polyether ether ketone material.

3. The corrosion resistant high pressure pipe with resistance to cracking according to claim 1, characterized in that: The reinforcing layer (2) is made of polyphenylene sulfide, and the reinforcing rods (21) are made of stainless steel.

4. The corrosion resistant high pressure pipe with resistance to cracking according to claim 1, characterized in that: The transition layer (3) is made of thermoplastic elastomer material.

5. The corrosion resistant high pressure pipe with resistance to cracking according to claim 1, characterized in that: The outer protective layer (4) is made of fluororubber material.

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