CN115839439A - Detectable buried polyethylene water supply plastic pipe and production process - Google Patents

Abstract

The invention belongs to the technical field of polyethylene pipes, and particularly relates to a detectable buried polyethylene water supply plastic pipe, which comprises a PE pipe and a detection wire, wherein the outer surface of the detection wire is wrapped with an adhesive glue, and the detection wire is connected with the PE pipe through the adhesive glue.

Description

Detectable buried polyethylene water supply plastic pipe and production process

Technical Field

The invention belongs to the technical field of polyethylene pipes, and particularly relates to a detectable buried polyethylene water supply plastic pipe and a production process.

Background

The polyethylene pipe has the characteristics of light weight, convenient installation, corrosion resistance, good flexibility, safety, sanitation, long service life and the like;

because the polyethylene is not conductive, so bury ground after using and can't detect the position and the trend of tubular product at the earth's surface, can only lay the tracer line in addition when laying the pipeline, very inconvenient, especially non-excavation construction very easily causes the tracer line damaged and can't use, brings inconvenience for subsequent maintenance work.

Disclosure of Invention

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides a polyethylene water supply plastic pipe for the observable is buried underground, includes PE pipe, detection silk, the outer surface parcel of detection silk has the adhesion to glue, the detection silk passes through the adhesion is glued and is connected with the PE pipe.

Further, the detection wire is tangent to the outer periphery of the PE pipe.

Further, the central axes of the detection wire and the PE pipe are parallel.

Furthermore, the detection wire is a metal wire, and the metal wire comprises a copper wire and an iron wire.

Further, the nominal outer diameter of the detection wire after being wrapped with the adhesion glue is not less than 2dn.

Further, the nominal outer diameter of the detection wire is not more than 1% of the nominal outer diameter of the PE pipe, and the nominal outer diameter of the detection wire is not more than 10% of the nominal wall thickness of the PE pipe.

The invention also provides a production process of the detectable buried polyethylene water supply plastic pipe, which comprises the following steps:

s1: putting PE resin powder, color master batch, clay nano composite material, flame retardant, nano calcium carbonate, dispersing agent, antistatic agent, coupling agent, low temperature resistant plasticizer and antioxidant into a drying mixer, drying and stirring to form raw materials;

s2: putting the raw materials in the step S1 into a drawing machine for melt extrusion granulation;

s3: putting the granulated material obtained in the step S2 into an extruder, melting, extruding through a die orifice, sizing in vacuum, and carrying out spray cooling through a cooling water tank to obtain a PE pipe;

s4: carrying out high-frequency heating bonding on the PE pipe prepared in the step S3 and the metal wire coated with the adhesive glue to prepare a finished pipe;

s5: spraying and cooling the finished pipe in the step S4 again, drawing by a crawler belt, and cutting according to the fixed length;

s6: and packaging and warehousing the cut finished product pipe after online detection and data recording.

Compared with the prior art, the invention has the following beneficial effects:

the plastic and metal materials are combined, so that the high-quality characteristic of the plastic polyethylene water supply pipe is kept, the metal detectability is increased, the problem that the polyethylene pipe cannot be positioned and detected in the construction or maintenance process in the current market is solved, the polyethylene pipe can be detected conveniently in the follow-up maintenance or construction process, the pipe is prevented from being accidentally damaged, and the detection and maintenance are convenient.

Drawings

FIG. 1 is a schematic structural view of an embodiment of a detectable buried polyethylene water-feeding plastic pipe of the present invention;

FIG. 2 is a flow chart of the process for producing a detectable buried polyethylene water-feeding plastic pipe material according to the invention;

reference numerals in the drawings of the specification include:

PE pipe 1, detection silk 2, adhesion glue 3.

Detailed Description

In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example (b):

as shown in figure 1, the detectable buried polyethylene water supply plastic pipe comprises a PE pipe 1 and a detection wire 2, wherein the outer surface of the detection wire 2 is wrapped with an adhesive 3, the detection wire 2 is connected with the PE pipe 1 through the adhesive 3, the detection wire 2 is tangent to the periphery of the PE pipe 1, and the central axes of the detection wire 2 and the PE pipe 1 are parallel.

The adhesive 3 is formed by modifying polyethylene, can be melted by heating, and can be used for adhering different materials together.

Adopt plastics and metal material to combine together, remain the high-quality characteristic of plastics polyethylene feedwater PE pipe 1 material, increased metal detectability, solved the polyethylene PE pipe 1 material in the existing market and can't fix a position and the problem of surveying in construction or maintenance process, survey in convenient follow-up maintenance or the work progress, prevent unexpected damage PE pipe 1 material, conveniently detect the maintenance.

The metal wire can be detected and found by a conventional metal detecting instrument, such as metal materials of steel wires, iron wires, copper wires, aluminum wires and the like, and in addition, the metal wire can be detected to have no dirt such as oil stain, rust stain, dirt and the like on the surface and has no defects of damage, indentation and the like which are harmful to use;

the nominal outer diameter of the detection wire 2 wrapped by the adhesion glue 3 is not less than 2dn, the nominal outer diameter of the detection wire 2 is not more than 1% of the nominal outer diameter of the PE pipe 1, and the nominal outer diameter of the detection wire 2 is not more than 10% of the nominal wall thickness of the PE pipe 1.

The invention also provides a production process of the detectable buried polyethylene water supply plastic pipe, which comprises the following steps:

s1: putting PE resin powder, color master batch, clay nano composite material, flame retardant, nano calcium carbonate, dispersing agent, antistatic agent, coupling agent, low temperature resistant plasticizer and antioxidant into a drying mixer, drying and stirring to form raw materials;

s2: putting the raw materials in the step S1 into a drawing machine for melt extrusion granulation;

s3: putting the granulated material obtained in the step S2 into an extruder, melting, extruding through a die orifice, carrying out vacuum sizing, and carrying out spray cooling through a cooling water tank to obtain a PE pipe;

s4: carrying out high-frequency heating bonding on the PE pipe prepared in the step S3 and the metal wire coated with the adhesive glue to prepare a finished pipe;

s5: spraying and cooling the finished pipe in the step S4 again, drawing by a crawler belt, and cutting according to the fixed length;

s6: and packaging and warehousing the cut finished product pipe after online detection and data recording.

Compared with other process methods, the method is convenient for detection in the subsequent construction process, and has the advantages of low casting and forming production cost, high process flexibility and strong adaptability.

In the step S4, when the metal wire and the PE pipe are bonded, an elastic pinch roller is arranged beside a pipe extruder, the inner side of the pinch roller is arc-shaped and matched with the outer periphery of the PE pipe, in the process that the PE pipe is moved out of the extruder, the metal wire coated with adhesion glue is attached to the outer periphery of the PE pipe through the pinch roller, in the process that the PE pipe gradually moves, the metal wire is gradually aligned with the outer wall of the PE pipe and is conveyed along with the PE pipe, a high-frequency hot melting machine surrounding the outer periphery of the PE pipe is arranged at the next station of the pinch roller, the metal wire is heated through the high-frequency hot melting machine, so that the adhesion glue is more firmly bonded with the PE pipe, and in addition, a pinch roller is arranged at the next station of the high-frequency hot melting machine along the moving direction of the PE pipe to tightly press the metal wire on the outer periphery of the PE pipe.

The foregoing are merely exemplary embodiments of the present invention, and no attempt is made to show structural details of the invention in more detail than is necessary for the fundamental understanding of the art, the description taken with the drawings making apparent to those skilled in the art how the several forms of the invention may be embodied in practice with the teachings of the invention. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims (9)

1. The utility model provides a polyethylene feedwater plastics tubular product for the observable is buried underground, its characterized in that includes: the outer surface of the detection wire is wrapped with adhesion glue, and the detection wire is connected with the PE pipe through the adhesion glue.

2. A detectable buried polyethylene water-feeding plastic pipe material as claimed in claim 1, wherein: the detection wires are tangent to the periphery of the PE pipe.

3. A detectable buried polyethylene water supply plastic pipe material as claimed in claim 1 or 2, wherein: the central axes of the detection wire and the PE pipe are parallel.

4. A detectable buried polyethylene water-feeding plastic pipe material as claimed in claim 1, wherein: the detection wire is a metal wire.

5. A detectable buried polyethylene water supply plastic pipe as claimed in claim 4, wherein: the metal wire comprises a copper wire.

6. A detectable buried polyethylene water supply plastic pipe as claimed in claim 4, wherein: the wire comprises an iron wire.

7. A detectable buried polyethylene water supply plastic pipe material as claimed in claim 1, wherein: and the nominal outer diameter of the detection wire wrapped with the adhesion glue is not less than 2dn.

8. A detectable buried polyethylene water-feeding plastic pipe material as claimed in claim 1, wherein: the nominal outer diameter of the detection wire is not more than 1% of the nominal outer diameter of the PE pipe, and the nominal outer diameter of the detection wire is not more than 10% of the nominal wall thickness of the PE pipe.

9. A production process of a polyethylene water supply plastic pipe for detecting burying is characterized by comprising the following steps:

s1: putting PE resin powder, color master batch, clay nano composite material, flame retardant, nano calcium carbonate, dispersing agent, antistatic agent, coupling agent, low temperature resistant plasticizer and antioxidant into a drying mixer, drying and stirring to form raw materials;

s2: putting the raw materials in the step S1 into a drawing machine for melt extrusion granulation;

s3: putting the granulated material obtained in the step S2 into an extruder, melting, extruding through a die orifice, carrying out vacuum sizing, and carrying out spray cooling through a cooling water tank to obtain a PE pipe;

s4: carrying out high-frequency heating bonding on the PE pipe prepared in the step S3 and the metal wire coated with the adhesive glue to prepare a finished pipe;

s5: spraying and cooling the finished pipe in the step S4 again, drawing by a crawler belt, and cutting according to the fixed length;

s6: and packaging and warehousing the cut finished product pipe after online detection and data recording.

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