CN210600511U

CN210600511U - Polyurethane composite thermal insulation pipe

Info

Publication number: CN210600511U
Application number: CN201921649110.5U
Authority: CN
Inventors: 王增光
Original assignee: Tianjin Xin Yutong Corrosion Insulation Engineering Co ltd
Current assignee: Tianjin Xin Yutong Corrosion Insulation Engineering Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-05-22
Anticipated expiration: 2029-09-30

Abstract

The utility model provides a compound insulating tube of polyurethane, including the work steel pipe, a serial communication port, the outside parcel of work steel pipe has the aluminium foil layer, the outside parcel on aluminium foil layer has the noise damping layer, the outside parcel on noise damping layer has the polyphenylene ether pipe, the outside parcel of polyphenylene ether pipe has aerogel layer, aerogel layer's outside parcel has the filling layer, the outside parcel of filling layer has rubber support, be equipped with a plurality of elastic rubber pipes along circumference on rubber support's the outer wall, rubber support's outside parcel has the polyurethane heat preservation, the outside parcel of polyurethane heat preservation has the enhancement layer, the inside of enhancement layer is equipped with a plurality of strengthening ribs, the outside parcel of enhancement layer has the oversheath. The aerogel layer, the polyurethane heat-insulating layer, the cross-linked polyethylene foaming layer and the perlite cotton layer which are arranged in the utility model greatly improve the heat-insulating effect of the heat-insulating pipe and reduce the heat loss; and the steel wire armor layer, the glass steel structural layer and the enhancement layer that set up have also great improvement the intensity of insulating tube, and the result of use is better.

Description

Polyurethane composite thermal insulation pipe

Technical Field

The utility model relates to a thermal insulation pipe technical field especially relates to a polyurethane composite insulation pipe.

Background

The heat insulation pipe is a short name of heat insulation pipeline, is used for conveying liquid, gas and other media, and is mainly applied to heat insulation engineering of pipelines of petroleum, chemical engineering, aerospace, central heating, central air conditioning, municipal administration and the like; polyurethane insulating tube among the prior art is mostly only by work steel pipe, polyurethane, glass wool heat preservation, polyethylene or steel pipe make outer pillar and constitute, and its heat preservation effect is relatively poor to cause calorific loss great, and the intensity of insulating tube is also relatively poor, and the result of use is not good.

Disclosure of Invention

The utility model discloses just to above technical problem, provide a polyurethane composite insulation pipe.

The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: the utility model provides a polyurethane composite heat preservation pipe, including the work steel pipe, a serial communication port, the outside parcel of work steel pipe has the aluminium foil layer, the outside parcel on aluminium foil layer has the noise damping layer, the outside parcel on noise damping layer has the polyphenylene ether pipe, the outside parcel of polyphenylene ether pipe has aerogel layer, aerogel layer's outside parcel has the filling layer, the outside parcel of filling layer has rubber support, be equipped with a plurality of elastic rubber pipe along circumference on rubber support's the outer wall, rubber support's outside parcel has the polyurethane heat preservation, it has the polyurethane foaming layer to fill in the cavity that forms between polyurethane heat preservation and the rubber support, the outside parcel of polyurethane heat preservation has the enhancement layer, the inside of enhancement layer is equipped with a plurality of strengthening ribs, the outside parcel of enhancement layer has the oversheath.

The outer wall of the working steel pipe is provided with a spiral groove extending along the length direction of the working steel pipe, and an electric heating wire is installed in the spiral groove.

The noise reduction layer is made of sound absorption plate materials, and a plurality of sound absorption holes are formed in the noise reduction layer.

The filling layer comprises a crosslinked polyethylene foaming layer arranged outside the aerogel layer, a steel wire armor layer arranged outside the crosslinked polyethylene foaming layer, a pearl rock wool layer arranged outside the steel wire armor layer and a glass fiber reinforced plastic structure layer arranged outside the perlite rock wool layer.

The whole thickness of the crosslinked polyethylene foaming layer, the steel wire armor layer, the pearl rock wool layer and the glass fiber reinforced plastic structure layer is not less than 20 mm.

Compared with the prior art, the beneficial effects of the utility model are that: the aerogel layer, the polyurethane heat-insulating layer, the cross-linked polyethylene foaming layer and the perlite cotton layer which are arranged in the utility model greatly improve the heat-insulating effect of the heat-insulating pipe and reduce the heat loss; and the steel wire armor layer, the glass steel structural layer and the enhancement layer that set up have also great improvement the intensity of insulating tube, and the result of use is better.

Drawings

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

FIG. 2 is a schematic structural diagram of the filling layer of the present invention;

in the figure: 1. working steel pipes; 2. an aluminum foil layer; 3. a sound-deadening layer; 4. a polyphenylene ether tube; 5. an aerogel layer; 6. a filling layer; 7. a rubber support; 8. an elastic rubber tube; 9. a polyurethane heat-insulating layer; 10. a reinforcing layer; 11. reinforcing ribs; 12. an outer sheath; 13. a crosslinked polyethylene foam layer; 14. a steel wire armor layer; 15. a pearl rock wool layer; 16. and a glass fiber reinforced plastic structure layer.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

firstly, the proportion of the working steel pipe and the structures of the layers wrapped outside the working steel pipe in the drawings is only schematic and does not represent the actual size of each working steel pipe, so as to show the structures of the layers more clearly;

as shown in the figure, a compound insulating tube of polyurethane, including work steel pipe 1, the outside parcel of work steel pipe 1 has aluminium foil layer 2, the outside parcel of aluminium foil layer 2 has noise damping layer 3, noise damping layer 3's outside parcel has polyphenylene ether pipe 4, polyphenylene ether pipe 4's outside parcel has aerogel layer 5, aerogel layer 5's outside parcel has filling layer 6, filling layer 6's outside parcel has rubber support 7, be equipped with a plurality of elastic rubber pipe 8 along circumference on rubber support 7's the outer wall, rubber support 7's outside parcel has polyurethane heat preservation 9, it has the polyurethane foaming layer to fill in the cavity that forms between polyurethane heat preservation 9 and the rubber support 7, the outside parcel of polyurethane heat preservation 9 has enhancement layer 10, the inside of enhancement layer 10 is equipped with a plurality of strengthening ribs 11, the outside parcel of enhancement layer 10 has oversheath 12.

The outer wall of the working steel pipe 1 is provided with a spiral groove extending along the length direction of the working steel pipe, and an electric heating wire is installed in the spiral groove.

The noise reduction layer 3 is made of a sound absorption plate material, and a plurality of sound absorption holes are formed in the noise reduction layer 3.

The filling layer 6 comprises a cross-linked polyethylene foaming layer 13 arranged outside the aerogel layer 5, a steel wire armor layer 14 arranged outside the cross-linked polyethylene foaming layer 13, a perlite cotton layer 15 arranged outside the steel wire armor layer 14 and a glass fiber reinforced plastic structure layer 16 arranged outside the perlite cotton layer 15.

The whole thickness of the crosslinked polyethylene foaming layer 13, the steel wire armor layer 14, the perlite cotton layer 15 and the glass fiber reinforced plastic structure layer 16 is not less than 20 mm.

The aerogel layer 5, the polyurethane heat-insulating layer 9, the cross-linked polyethylene foam layer 13 and the perlite cotton layer 15 which are arranged in the utility model greatly improve the heat-insulating effect of the heat-insulating pipe and reduce the heat loss; the strength of the heat preservation pipe is greatly improved by the arrangement of the steel wire armor layer 14, the glass fiber reinforced plastic structure layer 16 and the reinforcing layer 10; the noise that produces when amortization layer 3 and the sound absorbing hole that sets up can also effectual reduction insulating tube inside conveying medium, the result of use is better.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.

Claims

1. A polyurethane composite heat-insulating pipe comprises a working steel pipe (1), and is characterized in that the outside of the working steel pipe (1) is wrapped with an aluminum foil layer (2), the outside of the aluminum foil layer (2) is wrapped with a sound-deadening layer (3), the outside of the sound-deadening layer (3) is wrapped with a polyphenylene ether pipe (4), the outside of the polyphenylene ether pipe (4) is wrapped with an aerogel layer (5), the outside of the aerogel layer (5) is wrapped with a filling layer (6), the outside of the filling layer (6) is wrapped with a rubber support (7), the outer wall of the rubber support (7) is circumferentially provided with a plurality of elastic rubber pipes (8), the outside of the rubber support (7) is wrapped with a polyurethane heat-insulating layer (9), a cavity formed between the polyurethane heat-insulating layer (9) and the rubber support (7) is filled with a polyurethane foaming layer, the outside of the polyurethane heat-insulating layer (9) is wrapped with a reinforcing layer (10), and the inside of the reinforcing layer, the outer part of the reinforcing layer (10) is wrapped with an outer sheath (12).

2. The polyurethane composite insulating pipe according to claim 1, characterized in that the outer wall of the working steel pipe (1) is provided with a spiral groove extending along the length direction thereof, and an electric heating wire is installed in the spiral groove.

3. The polyurethane composite thermal insulation pipe as claimed in claim 1, wherein the sound-absorbing layer (3) is made of sound-absorbing board material, and the sound-absorbing holes are formed on the sound-absorbing layer (3).

4. The polyurethane composite thermal insulation pipe according to claim 1, wherein the filling layer (6) comprises a cross-linked polyethylene foam layer (13) disposed outside the aerogel layer (5), a steel wire armor layer (14) disposed outside the cross-linked polyethylene foam layer (13), a pearl rock wool layer (15) disposed outside the steel wire armor layer (14), and a glass fiber reinforced plastic structure layer (16) disposed outside the pearl rock wool layer (15).

5. The polyurethane composite thermal insulation pipe according to claim 4, wherein the overall thickness of the crosslinked polyethylene foam layer (13), the steel wire armor layer (14), the pearl rock wool layer (15) and the glass fiber reinforced plastic structure layer (16) is not less than 20 mm.