CN201391717Y

CN201391717Y - Three-layered PE insulating composite tube

Info

Publication number: CN201391717Y
Application number: CN200920098997U
Authority: CN
Inventors: 王国云; 庄延鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-01-21
Filing date: 2009-01-21
Publication date: 2010-01-27
Anticipated expiration: 2019-01-21

Abstract

The utility model relates to a three-layered PE insulating composite tube, mainly solving the problem that the existing pipeline protective layer has low strength and easy breakage. The three-layered PE insulating composite tube is characterized in that the outer part of a pipeline (1) is provided with a protective layer (4). The three-layered PE insulating composite tube is characterized by high strength, good toughness and good insulating effect.

Description

Three layers of PE composite insulating pipe

Technical field:

The utility model relates to a kind of anticorrosion tubing of using on a kind of oil field, a kind of specifically three layers of PE composite insulating pipe.

Background technique:

At present along with oil field development enters the middle and later periods, the oil field water content improves constantly, the working environment of pipeline is abominable day by day simultaneously, and to having higher requirement in the protection quality and the working life of pipeline, the oil field adopts yellow jacket to coat hard polyurethane foam plastic, thermal-insulation pipeline mostly at present, what also have uses the glass wool insulation, facts have proved that yellow jacket coats hard polyurethane foam plastic, thermal-insulation pipeline, pipeline is prone to off-centre, outer clipping layer is frangible, is easily stolen outer yellow jacket skin by the people; The glass wool insulation influences environment and easily suction because outer intensity is low, gives full play to thereby influence thermal insulation property.

The model utility content:

In order to overcome low, the frangible problem of existing pipeline protection layer intensity, the utility model provides a kind of three layers of PE composite insulating pipe, and these three layers of PE composite insulating pipes have the characteristics of protective coating intensity height, good toughness, high insulating effect.

The technical solution of the utility model is: a kind of three layers of PE composite insulating pipe, comprise pipeline, and there is protective coating the metallic conduit outside.

Above-mentioned pipeline also can be nonmetallic pipe, from inside to outside anticorrosive coat, thermal insulation layer can be arranged between pipeline and the protective coating, perhaps only have the two one of.

The utlity model has following beneficial effect: owing to take such scheme, there is protective coating the pipeline outside, protective coating soaks PE glue by the reinforcing glass fiber or other impregnation solidifies back formation, intensity height, good toughness, waterproof, be convenient to construction, simultaneously ageing-resistant, antitheft, and glass fibre also can play the effect of insulation.Therefore, these three layers of PE composite insulating pipes are owing to higher intensity and toughness are arranged, and are non-friable, can prolong the working life of pipeline, saved cost.

Description of drawings:

Accompanying drawing 1 is a structural representation of the present utility model;

Accompanying drawing 2 is structural representations of the utility model preferred implementation one;

Accompanying drawing 3 is structural representations of the utility model preferred implementation two;

Accompanying drawing 4 is structural representations of the utility model preferred implementation three.

1-pipeline among the figure, 2-anticorrosive coat, 3-thermal insulation layer, 4-protective coating.

Embodiment:

The utility model is described in further detail below in conjunction with accompanying drawing:

By shown in Figure 1, a kind of three layers of PE composite insulating pipe, comprise pipeline 1, pipeline 1 can be metal tube and also can be nonmetallic pipe, and there is protective coating 4 pipeline 1 outside, and protective coating soaks PE glue by the reinforcing glass fiber or other gelling forms the back admittedly, intensity height, good toughness and waterproof, be convenient to construction, simultaneously ageing-resistant, antitheft, and glass fibre also can play the effect of insulation.Because it has intensity and toughness preferably, therefore solved the frangible problem of pipeline protection layer in the past.

Fig. 2 is the structural representation of the utility model preferred implementation one, is preferred implementation, and anticorrosive coat 2, thermal insulation layer 3 are arranged between pipeline 1 and the protective coating 4 from inside to outside successively, closely bonds between each layer.Anticorrosive coat 2 can be entwined with the PE adhesive tape, perhaps applies with coating, plays the corrosion-resistant effect; Thermal insulation layer 3 plays the effect of insulation for hole, foam or netted are arranged, and the composite insulating pipe that adopts present embodiment is when having high strength, high tenacity, and is and corrosion-resistant, low temperature resistant.

Fig. 3, Fig. 4 are the structural representations of the utility model preferred implementation two, three, and pipeline 1 outside of Fig. 3 is followed successively by anticorrosive coat 2, protective coating 4, and pipeline 1 outside of Fig. 4 is followed successively by thermal insulation layer 3, protective coating 4, and be same, close adhesion between each layer.

Above-mentioned various mode of executions can be that metal or non-metallic material are selected according to pipeline 1, no matter take which kind of mode, all have the characteristics of intensity height, good toughness, and are non-friable, prolonged pipeline working life, saved cost.

Claims

1, a kind of three layers of PE composite insulating pipe comprise pipeline (1), it is characterized in that: there is protective coating (4) metallic conduit (1) outside.

2, three layers of PE composite insulating pipe according to claim 1 is characterized in that: pipeline (1) is a nonmetallic pipe.

3, three layers of PE composite insulating pipe according to claim 1 and 2 is characterized in that: between pipeline (1) and the protective coating (4) anticorrosive coat (2) is arranged.

4, three layers of PE composite insulating pipe according to claim 1 and 2 is characterized in that: the thermal insulation layer (3) that fits tightly with it is arranged in protective coating (4).

5, three layers of PE composite insulating pipe according to claim 3 is characterized in that: between protective coating (4) and the anticorrosive coat (2) thermal insulation layer (3) is arranged.