CN214743870U - Corrosion-resistant PE pipe - Google Patents

Abstract

The utility model discloses a resistant anticorrosive PE tubular product, including body, outer anti-corrosion coating, anti-cutting layer, main part pipeline, heat preservation, interior anti-corrosion coating, external screw thread, flange, internal thread, connecting hole, sealed pad and filter screen. The utility model has the advantages that: the outer anti-corrosion layer and the inner anti-corrosion layer are made of nylon materials, paint is sprayed on the surface of the outer anti-corrosion layer, the corrosion resistance of the pipe body is improved, the anti-cutting layer is made of a steel wire mesh, the pipe body is prevented from being cut and broken due to sharp edge tools, the pipe body and the connecting flange are in threaded rotation connection through corresponding arranged external threads and internal threads, the pipe body and the connecting flange are conveniently assembled together, four connecting holes are uniformly distributed, the PE pipe is conveniently spliced and assembled together through the connecting flange, the filter net card is placed in a groove of the connecting flange, the filter net is provided with uniformly distributed filter holes, impurities in circulating liquid in the filter pipe are conveniently filtered, and pipeline blockage is avoided.

Description

Corrosion-resistant PE pipe

Technical Field

The utility model relates to a PE tubular product specifically is an anticorrosive PE tubular product, belongs to pipeline technical field.

Background

PE is an English abbreviation of polyethylene, a PE pipe is a thermoplastic resin with high crystallinity and non-polarity, the application range of a water supply pipeline of the general PE pipe is lower than 40 ℃, the PE pipe cannot be used for a hot water conveying pipeline, the appearance of original HDPE is milky white, a certain degree of translucency is formed in a micro-thin section, the PE has the characteristic of excellent resistance to most of domestic and industrial chemicals, certain types of chemicals can generate chemical corrosion, such as corrosive oxidants, aromatic hydrocarbons, halogenated hydrocarbons and the like, the traditional PE pipe is low in corrosion resistance, and the traditional PE pipe is extremely easy to corrode the pipeline under the condition of conveying corrosive liquid or long-time use, so that the anti-corrosion PE pipe needs to be designed.

Present PE tubular product structure is comparatively simple, one of them, traditional tubular product is when considering its corrosion resistance, often only set up inside corrosion resistant layer to the liquid of carrying, and tubular product is under the condition of long-time use, also can cause the corruption of different degrees to body surface not considering external environment, consequently, there are more limitations, a second one, the inside anti-cutting layer that does not set up of body, in transport construction or use, easily cut and draw because of sharp-pointed sharp edge tool and make the body fracture, thereby influence follow-up construction and use, a third one, body and flange are fixed through the welding usually, though firm in connection, but the dismantlement or the maintenance in later stage of being not convenient for, do not install the filter screen in the body simultaneously, thereby the impurity in the circulation liquid in the unable effectual filter tube, lead to the pipeline jam easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a PE tubular product that is able to resist corrosion for solving the above problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose: an anti-corrosion PE pipe comprises a pipe body, an outer anti-corrosion layer, an anti-cutting layer, a main pipeline, a heat preservation layer, an inner anti-corrosion layer, an external thread, a connecting flange, an internal thread, a connecting hole, a sealing gasket and a filter screen; the main structure of the PE pipe is composed of the pipe body, the outer anti-corrosion layer anti-cutting layer, the main pipeline, the heat preservation layer and the inner anti-corrosion layer, the main pipeline is positioned on the inner layer of the pipe body, the outer anti-corrosion layer wraps the surface of the outermost layer of the pipe body, the anti-cutting layer is arranged between the outer anti-corrosion layer and the main pipeline, the heat insulation layer is positioned on the inner layer of the main pipeline, the inner anti-corrosion layer is arranged on the innermost layer of the flow pipeline of the pipe body, the external threads are uniformly distributed on the outer surfaces of two ends of the pipe body, the connecting flanges are fixedly arranged at the two ends of the pipe body, the internal threads are arranged on the inner wall of the connecting end of the connecting flanges, the connecting flange is connected with the pipe body through external threads and internal threads, the connecting hole is communicated with and arranged at the edge of the outer side of the connecting flange, the sealing gasket is clamped at the joint of the pipe body and the connecting flange, and the filter screen is arranged between the sealing gasket and the connecting flange.

Preferably, in order to improve the corrosion resistance of the inner layer and the outer layer of the pipe body, the outer corrosion-resistant layer and the inner corrosion-resistant layer are made of nylon materials, and paint is uniformly sprayed on the surface of the outer corrosion-resistant layer.

Preferably, in order to prevent the pipe body from being cut and broken due to the cutting of a sharp tool during use, the cutting-proof layer is arranged on the surface of the outer layer of the main pipeline and is made of a steel wire mesh.

Preferably, in order to assemble the pipe body and the connecting flange together, the pipe body is arranged in the groove of the connecting flange, and the pipe body and the connecting flange are in threaded rotary connection through correspondingly arranged external threads and internal threads.

Preferably, in order to facilitate splicing and assembling the PE pipes together through the connecting flange, four connecting holes are formed in the connecting holes, and the connecting holes are uniformly distributed at the edge of the outer side of the connecting flange.

Preferably, in order to facilitate the filtration of impurities in the liquid flowing through the filter pipe, the filter net card is placed in a groove of the connecting flange, and the filter net is provided with uniformly distributed filter holes.

The utility model has the advantages that: the anti-corrosion PE pipe is reasonable in design, the outer anti-corrosion layer and the inner anti-corrosion layer are made of nylon materials, paint is uniformly sprayed on the surface of the outer anti-corrosion layer, the corrosion resistance of the inner layer and the outer layer of the pipe body can be improved, the using effect of the PE pipe in a severe environment is greatly improved, the anti-cutting layer is arranged on the surface of the outer layer of the main body pipe and is made of a steel wire mesh, the pipe body can be prevented from being cut and broken due to sharp edge tools in the using process, the service life of the PE pipe is prolonged, the pipe body is arranged in the groove of the connecting flange, the pipe body and the connecting flange are in threaded rotation connection through correspondingly arranged external threads and internal threads, the pipe body and the connecting flange are conveniently assembled together, meanwhile, an annular sealing gasket is arranged between the pipe body and the connecting flange, the connecting position can be more compact, four connecting holes are formed, and the connecting holes are uniformly distributed at the edge of the outer side of the connecting flange, be convenient for assemble together through flange with the concatenation of PE tubular product, and then make things convenient for personnel to assemble the pipeline of suitable length according to the construction requirements, filter the network card and put and settle in flange's recess, and the filter screen is equipped with evenly distributed's filtration pore, and the impurity in the circulation liquid in the filter tube of being convenient for avoids the pipeline to block up.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the tube body of the present invention;

FIG. 3 is a schematic view of the connection structure of the pipe body and the connecting flange of the present invention;

FIG. 4 is a schematic view of the sealing gasket of the present invention;

fig. 5 is a schematic view of the filter screen structure of the present invention.

In the figure: 1. the pipe comprises a pipe body, 2, an outer anti-corrosion layer, 3, a cutting-proof layer, 4, a main pipeline, 5, a heat preservation layer, 6, an inner anti-corrosion layer, 7, external threads, 8, a connecting flange, 9, internal threads, 10, a connecting hole, 11, a sealing gasket, 12 and a filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, an anti-corrosion PE pipe includes a pipe body 1, an outer anti-corrosion layer 2, an anti-cutting layer 3, a main pipeline 4, a heat insulation layer 5, an inner anti-corrosion layer 6, an external thread 7, a connecting flange 8, an internal thread 9, a connecting hole 10, a sealing gasket 11, and a filter screen 12; the PE pipe comprises a pipe body 1, an outer anti-corrosion layer 2, an anti-cutting layer 3, a main pipeline 4, a heat preservation layer 5 and an inner anti-corrosion layer 6, wherein the main pipeline 4 is positioned on the inner layer of the pipe body 1, the outer anti-corrosion layer 2 is wrapped on the outermost surface of the pipe body 1, the anti-cutting layer 3 is arranged between the outer anti-corrosion layer 2 and the main pipeline 4, the heat preservation layer 5 is positioned on the inner layer of the main pipeline 4, the inner anti-corrosion layer 6 is arranged on the innermost layer of a circulation pipeline of the pipe body 1, external threads 7 are uniformly distributed on the outer surfaces of two ends of the pipe body 1, connecting flanges 8 are fixedly arranged at two ends of the pipe body 1, internal threads 9 are arranged on the inner walls of connecting ends of the connecting flanges 8, the connecting flanges 8 are connected with the pipe body 1 through the external threads 7 and the internal threads 9, connecting holes 10 are communicated and arranged at the outer edges of the connecting flanges 8, and sealing gaskets 11 are clamped at the connecting positions of the pipe body 1 and the connecting flanges 8, the filter screen 12 is arranged between the sealing gasket 11 and the connecting flange 8.

The outer anti-corrosion layer 2 and the inner anti-corrosion layer 6 are made of nylon materials, paint is uniformly sprayed on the surface of the outer anti-corrosion layer 2, the corrosion resistance of the inner layer and the outer layer of the pipe body 1 can be improved, so that the using effect of the PE pipe in a severe environment is greatly improved, the anti-cutting layer 3 is arranged on the surface of the outer layer of the main pipeline 4, the anti-cutting layer 3 is made of a steel wire mesh, the pipe body 1 can be prevented from being cut and broken due to sharp tools in the using process, so that the service life of the PE pipe is prolonged, the pipe body 1 is arranged in the groove of the connecting flange 8, the pipe body 1 and the connecting flange 8 are in threaded rotary connection through the external threads 7 and the internal threads 9 which are correspondingly arranged, the pipe body 1 and the connecting flange 8 are conveniently assembled together, meanwhile, the annular sealing gasket 11 is arranged between the pipe body 1 and the connecting flange 8, the connection position can be more compact, and four connecting holes 10 are formed, and connecting hole 10 is in flange 8 outside edge evenly distributed, is convenient for assemble together through flange 8 with the concatenation of PE tubular product, and then makes things convenient for personnel to assemble the pipeline of suitable length according to the construction requirements, filter screen 12 card is put and is settled in flange 8's recess, and filter screen 12 is equipped with evenly distributed's filtration pore, is convenient for filter the interior impurity of circulation liquid of intraductal, avoids the pipeline to block up.

The working principle is as follows: when the anti-corrosion PE pipe is used, firstly, the filter screen 12 and the sealing gasket 11 are sequentially arranged in the groove of the connecting flange 8, the connecting flange 8 is fixedly connected with the two ends of the pipe body 1 through the external threads 7 and the internal threads 9 respectively, then the connecting bolt penetrates through the connecting hole 10, the adjacent pipe bodies 1 are spliced and assembled together through the connecting flanges 8 at the two ends, finally, paint is sprayed on the surfaces of the pipe body 1 and the connecting flange 8, and the spliced pipeline is installed according to construction planning, during the period, the outer anti-corrosion layer 2 and the inner anti-corrosion layer 6 on the inner layer and the outer layer of the pipe body 1 can improve the corrosion resistance of the pipe body 1, thereby greatly improving the use effect of the PE pipe under the severe environment, the arranged anti-cutting layer 3 can prevent the pipe body 1 from being cut and broken due to sharp devices in the use process, the service life of the PE pipe is prolonged, and meanwhile, the sealing gasket 11 can also enable the pipe body 1 and the connecting flange 8 to be connected more tightly, the connecting flange 8 is convenient for splice and assemble the PE pipes together, so that the personnel can assemble the pipeline with proper length according to the construction requirement, the filter screen 12 can effectively filter the impurities in the conveying liquid, and the pipeline blockage is avoided.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. An anticorrosion-resistant PE pipe is characterized in that: the pipe comprises a pipe body (1), an outer anti-corrosion layer (2), a cutting-resistant layer (3), a main pipeline (4), a heat-insulating layer (5), an inner anti-corrosion layer (6), external threads (7), a connecting flange (8), internal threads (9), a connecting hole (10), a sealing gasket (11) and a filter screen (12); the PE pipe comprises a pipe body (1), an outer anti-corrosion layer (2), a cutting layer (3), a main pipeline (4), a heat preservation layer (5) and an inner anti-corrosion layer (6), wherein the main pipeline (4) is positioned on the inner layer of the pipe body (1), the outer anti-corrosion layer (2) is wrapped on the outermost surface of the pipe body (1), the cutting layer (3) is arranged between the outer anti-corrosion layer (2) and the main pipeline (4), the heat preservation layer (5) is positioned on the inner layer of the main pipeline (4), the inner anti-corrosion layer (6) is arranged on the innermost layer of a circulating pipeline of the pipe body (1), the external threads (7) are uniformly distributed on the outer surfaces of the two ends of the pipe body (1), the connecting flanges (8) are fixedly arranged at the two ends of the pipe body (1), the inner threads (9) are arranged on the inner wall of the connecting flange (8), and the connecting flange (8) is connected with the pipe body (1) through the external threads (7) and the inner threads (9), connecting hole (10) intercommunication is seted up in flange (8) outside edge, sealed pad (11) card is put in the junction of body (1) and flange (8), filter screen (12) are settled between sealed pad (11) and flange (8).

2. The corrosion resistant PE pipe according to claim 1, characterized in that: the outer anti-corrosion layer (2) and the inner anti-corrosion layer (6) are made of nylon materials, and paint is sprayed on the surface of the outer anti-corrosion layer (2) uniformly.

3. The corrosion resistant PE pipe according to claim 1, characterized in that: the anti-cutting layer (3) is arranged on the surface of the outer layer of the main pipeline (4), and the anti-cutting layer (3) is made of a steel wire mesh.

4. The corrosion resistant PE pipe according to claim 1, characterized in that: the pipe body (1) is arranged in a groove of the connecting flange (8), and the pipe body (1) and the connecting flange (8) are in threaded rotation connection through the corresponding arranged external thread (7) and internal thread (9).

5. The corrosion resistant PE pipe according to claim 1, characterized in that: four connecting holes (10) are formed, and the connecting holes (10) are uniformly distributed at the edge of the outer side of the connecting flange (8).

6. The corrosion resistant PE pipe according to claim 1, characterized in that: the filter screen (12) is clamped and arranged in the groove of the connecting flange (8), and the filter screen (12) is provided with uniformly distributed filter holes.

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