PE steel wire mesh framework composite pipe with good pressure resistance

Abstract

The utility model discloses a PE steel wire mesh framework composite pipe with good pressure resistance, and relates to the technical field of pipes. Comprising a pipe body, connecting joints are pressed at the two ends of the pipe body, the pipe body comprises a PE inner pipe, a steel wire winding net and a PE outer pipe, the outer surface of the PE inner pipe is coated with a first viscous resin adhesive layer, the PE inner pipe is bonded with the steel wire winding net through the first viscous resin adhesive layer, and the steel wire winding net is coated with a second viscous resin adhesive layer. According to the PE steel wire mesh framework composite pipe with the good pressure resistance, the steel wire winding net is arranged on the inner layer of the pipe, the glass fiber belt is used for wrapping to serve as a reinforcing material, the tensile strength, bending strength, impact toughness and pressure resistance of the pipe can be improved by means of the high strength and high modulus characteristics of glass fibers, the pipe can bear larger loads, and the service life of the pipe is prolonged. The rigidity of the pipe can be further enhanced through the reinforcing steel ring, the pipe can bear high pressure and is not prone to deformation or fracture, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pipe material, specifically to a PE steel wire mesh skeleton composite pipe with good pressure resistance. BACKGROUND

[0002] The steel wire mesh skeleton plastic composite pipe is a new type of steel skeleton plastic composite pipe, which is made of high-strength plastic steel wire mesh skeleton and thermoplastic polyethylene as raw materials, and the steel wire winding net is used as the skeleton reinforcing body of the polyethylene plastic pipe, with high-density polyethylene (HDPE) as the base body, and the high-performance HDPE modified adhesive resin is used to tightly connect the steel wire skeleton and the inner and outer layers of high-density polyethylene together, so that the composite effect is excellent.

[0003] The steel wire mesh skeleton polyethylene composite pipe is often used for urban water supply and drainage pipelines, and is mostly buried underground for a long time, but the existing steel wire mesh skeleton polyethylene composite pipe has low pressure resistance, and is easy to cause pipe rupture in complex soil environment. SUMMARY

[0004] The utility model provides a PE steel wire mesh skeleton composite pipe with good pressure resistance to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a PE steel wire mesh skeleton composite pipe with good pressure resistance, comprising a pipe body, and connecting joints are pressed on both ends of the pipe body;

[0006] The pipe body comprises a PE inner pipe, a steel wire winding net and a PE outer pipe, the outer surface of the PE inner pipe is coated with a first adhesive resin glue layer, and the steel wire winding net is adhered through the first adhesive resin glue layer, the steel wire winding net is coated with a second adhesive resin glue layer, and the glass fiber tape wrapping is adhered through the second adhesive resin glue layer, the glass fiber tape wrapping is coated with a third adhesive resin glue layer, and the reinforcing steel ring is adhered through the third adhesive resin glue layer, and the glass fiber tape wrapping is adhered to the PE outer pipe through the third adhesive resin glue layer.

[0007] Further, the tail end of the connecting joint is provided with an annular insertion slot, and a sealing ring is installed in the annular insertion slot.

[0008] Further, the connecting joint is inserted into the pipe body through the annular insertion slot, and the sealing ring is located between the annular insertion slot and the end face of the pipe body.

[0009] Further, the head end of the connecting joint is provided with a flange plate, and the end face of the flange plate is provided with a sealing ring positioning groove.

[0010] Further, the inner wall of the PE outer tube is coated with an acrylic adhesive layer, and a polytetrafluoroethylene inner lining is bonded through the acrylic adhesive layer.

[0011] Further, the steel wire winding net is wound on the PE inner tube, the glass fiber tape wrapping is wrapped around the steel wire winding net, the reinforcing steel rings are uniformly distributed on the glass fiber tape wrapping at equal intervals, and the PE outer tube is wrapped outside the glass fiber tape wrapping.

[0012] Compared with the prior art, the PE steel wire mesh skeleton composite pipe has the following beneficial effects:

[0013] The PE steel wire mesh skeleton composite pipe has the following beneficial effects: The steel wire winding net is used as the reinforcing material in the pipe inner layer, the high strength and high modulus characteristics of the glass fiber are used, the tensile strength, bending strength, impact toughness and pressure resistance of the pipe are improved, the pipe can bear greater load, the setting of the reinforcing steel rings can further enhance the rigidity of the pipe, the pipe can bear high pressure and is not easy to deform or break, and the service life is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 The utility model discloses a structure schematic diagram;

[0015] Fig. 2 The utility model discloses an exploded view;

[0016] Fig. 3 The utility model discloses a pipe body structure schematic diagram.

[0017] In the drawing: 1, pipe body;11, PE inner tube;12, steel wire winding net;13, PE outer tube;14, first adhesive resin glue layer;15, second adhesive resin glue layer;16, glass fiber tape wrapping;17, third adhesive resin glue layer;18, reinforcing steel ring;19, acrylic adhesive layer;110, polytetrafluoroethylene inner lining;2, connecting joint;21, annular slot;22, sealing ring;23, flange plate;24, sealing ring positioning groove. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] Please refer to Figs. 1-3The utility model discloses a PE steel wire mesh skeleton composite pipe with good pressure resistance, which comprises a pipe body 1, connecting joints 2 are pressed on both ends of the pipe body 1, in addition to being provided with a steel wire winding net 12, a glass fiber tape wrapping 16 is used as a reinforcing material in the inner layer of the pipe, the high strength and high modulus characteristics of the glass fiber are utilized to improve the tensile strength, bending strength, impact toughness and pressure resistance of the pipe, so that the pipe can bear greater load, the rigidity of the pipe can be further enhanced by the arrangement of a reinforcing steel ring 18, the pipe can bear higher pressure and is not prone to deformation or rupture, and the service life is prolonged.

[0020] The pipe body 1 comprises a PE inner pipe 11, a steel wire winding net 12 and a PE outer pipe 13, the outer surface of the PE inner pipe 11 is coated with a first adhesive resin glue layer 14, and the steel wire winding net 12 is adhered to the first adhesive resin glue layer 14, the steel wire winding net 12 is coated with a second adhesive resin glue layer 15, and the glass fiber tape wrapping 16 is adhered to the second adhesive resin glue layer 15, the glass fiber tape wrapping 16 is coated with a third adhesive resin glue layer 17, and the reinforcing steel ring 18 is adhered to the third adhesive resin glue layer 17, and the glass fiber tape wrapping 16 is adhered to the PE outer pipe 13 through the third adhesive resin glue layer 17.

[0021] Specifically, the tail end of the connecting joint 2 is provided with an annular insertion groove 21, and a sealing ring 22 is installed in the annular insertion groove 21.

[0022] In the embodiment, the main function of the connecting joint 2 is to connect different pipe sections, equipment or valves, so as to ensure the sealing property and stability of fluid or gas in the transmission process.

[0023] Specifically, the connecting joint 2 is inserted into the pipe body 1 through the annular insertion groove 21, and the sealing ring 22 is located between the annular insertion groove 21 and the end face of the pipe body 1.

[0024] In the embodiment, the annular insertion groove 21 is a fitting structure, which is used for assembling the connecting joint 2 and the pipe body 1, and the sealing ring 22 is a device for preventing liquid or gas leakage, which is usually made of elastic material and has a sealing effect.

[0025] Specifically, the head end of the connecting joint 2 is provided with a flange plate 23, and the end face of the flange plate 23 is provided with a sealing ring positioning groove 24.

[0026] In the embodiment, the flange plate 23 is an important connection mode in the industrial pipeline, can bear greater pressure, and ensures the smooth operation of the pipeline system, and the flange plates 23 are usually sealed by using a gasket, after being tightened by bolts, the gasket fills the uneven places of the sealing surface, so as to prevent liquid or gas leakage.

[0027] Specifically, the inner wall of the PE outer pipe 13 is coated with an acrylic adhesive layer 19, and a polytetrafluoroethylene inner liner 110 is bonded through the acrylic adhesive layer 19.

[0028] In this embodiment, the polytetrafluoroethylene inner liner 110 has excellent corrosion resistance, capable of resisting the corrosion of almost all strong acids, strong bases and organic solvents, which makes the polytetrafluoroethylene inner liner 110 perform well when conveying various chemicals and solvents, ensuring the long-term stable operation of the pipeline.

[0029] Specifically, the steel wire winding net 12 is wound on the PE inner pipe 11, the glass fiber tape wrapping 16 is wound on the steel wire winding net 12, the reinforcing steel rings 18 are evenly distributed on the glass fiber tape wrapping 16, and the PE outer pipe 13 is wrapped outside the glass fiber tape wrapping 16.

[0030] In this embodiment, the steel wire mesh skeleton composite pipe is tightly connected together by using high-performance HDPE modified adhesive resin to connect the steel wire skeleton and the inner and outer layers of high-density polyethylene, so as to have excellent composite effect.

[0031] In use, in addition to being provided with the steel wire winding net 12, the glass fiber tape wrapping 16 is used as a reinforcing material, and by means of the high strength and high modulus characteristics of the glass fiber, the tensile strength, bending strength, impact toughness and pressure resistance of the pipeline can be improved, so that it can withstand greater load, and the setting of the reinforcing steel rings 18 can further enhance the rigidity of the pipe, which can withstand higher pressure and is not easy to deform or break, thereby prolonging the service life.

[0032] In summary, the PE steel wire mesh skeleton composite pipe with good pressure resistance uses the glass fiber tape wrapping 16 as a reinforcing material in addition to being provided with the steel wire winding net 12, and by means of the high strength and high modulus characteristics of the glass fiber, the tensile strength, bending strength, impact toughness and pressure resistance of the pipeline can be improved, so that it can withstand greater load, and the setting of the reinforcing steel rings 18 can further enhance the rigidity of the pipe, which can withstand higher pressure and is not easy to deform or break, thereby prolonging the service life.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A PE steel wire mesh reinforced composite pipe with good compressive strength, comprising a pipe body (1), characterized in that: The two ends of the tube (1) are press-fitted with connecting joints (2); The pipe body (1) includes a PE inner tube (11), a steel wire mesh (12), and a PE outer tube (13). The outer surface of the PE inner tube (11) is coated with a first adhesive resin layer (14), and is bonded to the steel wire mesh (12) through the first adhesive resin layer (14). The steel wire mesh (12) is coated with a second adhesive resin layer (15), and is bonded to a fiberglass tape wrap (16) through the second adhesive resin layer (15). The fiberglass tape wrap (16) is coated with a third adhesive resin layer (17), and is bonded to a reinforcing steel ring (18) through the third adhesive resin layer (17). The fiberglass tape wrap (16) is bonded to the PE outer tube (13) through the third adhesive resin layer (17).

2. The PE steel wire mesh reinforced composite pipe with good compressive strength according to claim 1, characterized in that: The tail end of the connector (2) is provided with an annular slot (21), and a sealing ring (22) is installed in the annular slot (21).

3. The PE steel wire mesh reinforced composite pipe with good compressive strength according to claim 2, characterized in that: The connecting joint (2) is inserted into the tube body (1) through the annular slot (21), and the sealing ring (22) is located between the annular slot (21) and the end face of the tube body (1).

4. The PE steel wire mesh reinforced composite pipe with good compressive strength according to claim 2, characterized in that: The head end of the connecting joint (2) is provided with a flange (23), and the end face of the flange (23) is provided with a sealing ring positioning groove (24).

5. The PE steel wire mesh reinforced composite pipe with good compressive strength according to claim 1, characterized in that: The inner wall of the PE outer tube (13) is coated with an acrylic adhesive layer (19), and a polytetrafluoroethylene liner (110) is bonded to it through the acrylic adhesive layer (19).

6. The PE steel wire mesh reinforced composite pipe with good compressive strength according to claim 1, characterized in that: The wire mesh (12) is wound around the inner PE tube (11), the fiberglass tape wrap (16) is wound around the wire mesh (12), the reinforcing steel ring (18) is evenly distributed on the fiberglass tape wrap (16), and the outer PE tube (13) is wrapped around the fiberglass tape wrap (16).

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