CN213629270U

CN213629270U - Polyurethane thermal insulation pipe

Info

Publication number: CN213629270U
Application number: CN202022561060.4U
Authority: CN
Inventors: 张卫东; 王胜涛; 付华辉; 林晓旭; 张记
Original assignee: Cangzhou Rongtong Pipeline Equipment Co ltd
Current assignee: Cangzhou Rongtong Pipeline Equipment Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-07-06
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a polyurethane insulating tube, including the working tube, the inboard of working tube is equipped with the anticorrosive coating, the outside of working tube is equipped with first heat preservation, supporting layer, second heat preservation and protection outer tube in proper order, the supporting layer with be equipped with first insulating layer between the second heat preservation, the second heat preservation with be equipped with the second insulating layer between the protection outer tube, the outside of protection outer tube is equipped with the line that wear-resistants of bar, the outside coating of the line that wear-resistants has anticorrosive paint, the working tube with be connected with the reinforcement muscle of V-arrangement between the protection outer tube, the reinforcement muscle with the junction of working tube is equipped with the clamp plate. The utility model adopts the above structure a polyurethane insulating tube, it is effectual to keep warm, and intensity is high, and stable in structure prolongs its life.

Description

Polyurethane thermal insulation pipe

Technical Field

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

Background

The heat preservation pipe is a short name of a heat insulation pipeline, is used for conveying liquid, gas and other media, and is used for heat preservation of heat insulation engineering of pipelines of petroleum, chemical engineering, aerospace, hot springs, military, central heating, central air conditioning, municipal administration and the like. The heat preservation pipe is suitable for conveying various media within the temperature range of-50-150 ℃, and is widely applied to the conveying of central heating, cooling and hot oil and the heat preservation and cold insulation engineering of the industries such as a heating room, a refrigeration house, a coal mine, petroleum, chemical engineering and the like. Polyurethane insulating tube is often used in hot oil transportation, and the insulating tube is under the ground most probably needs to be buried when being under construction, and in this work progress, soil and rock can strike the insulating tube to with the production friction between the insulating tube.

The existing polyurethane heat-insulating pipe is more traditional in design, so that the structure stability is general, the capacity of bearing external force is not strong, the heat-insulating pipe is easy to deform and wear, the worn part is gradually changed to be more and more serious after long-time use, and the heat-insulating pipe is easy to break.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a polyurethane insulating tube, it is effectual to keep warm, and intensity is high, and stable in structure prolongs its life.

In order to realize the above object, the utility model provides a polyurethane insulating tube, including the working tube, the inboard of working tube is equipped with the anticorrosive coating, the outside of working tube is equipped with first heat preservation, supporting layer, second heat preservation and protection outer tube in proper order, the supporting layer with be equipped with first insulating layer between the second heat preservation, the second heat preservation with be equipped with the second insulating layer between the protection outer tube, the outside of protection outer tube is equipped with the line that wear-resistants of bar, the outside coating of the line that wear-resistants has anticorrosive paint, the working tube with be connected with the reinforcement muscle of V-arrangement between the protection outer tube, the reinforcement muscle with the junction of working tube is equipped with the clamp plate.

Preferably, the working pipe, the protective outer pipe, the reinforcing ribs and the pressing plate are all made of high-temperature-resistant materials, and the working pipe and the protective outer pipe are connected with the reinforcing ribs through welding.

Preferably, the first heat-insulating layer is made of an aluminum silicate heat-insulating material.

Preferably, the support layer is formed by staggering high-temperature-resistant support bars to form a hollow shape.

Preferably, the second insulating layer is a polyurethane insulating layer.

Preferably, the first thermal insulation layer and the second thermal insulation layer are both made of aerogel materials.

Therefore, the utility model adopts the above structure a polyurethane insulating tube, it is effectual to keep warm, and intensity is high, and stable in structure prolongs its life.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

FIG. 1 is a cross-sectional view of a polyurethane thermal insulation pipe of the present invention;

fig. 2 is a partial schematic view of a polyurethane thermal insulation pipe of the present invention.

Reference numerals:

1. a working pipe; 2. an anticorrosive layer; 3. a first insulating layer; 4. a support layer; 5. a second insulating layer; 6. a first insulating layer; 7. a second thermal insulation layer; 8. protecting the outer tube; 9. wear-resistant lines; 10. reinforcing ribs; 11. and (7) pressing a plate.

Detailed Description

The technical solution of the present invention is further explained by the accompanying drawings and examples.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Examples

Fig. 1 is the utility model relates to a polyurethane insulating tube cross section, fig. 2 is the utility model relates to a polyurethane insulating tube's local schematic diagram, as shown in the figure, the utility model provides a polyurethane insulating tube, including working tube 1, working tube 1's inboard is equipped with anticorrosive coating 2, improves working tube 1's corrosion resistance, avoids the liquid corrosion working tube 1 inner wall of carrying. The outside of working tube 1 is equipped with first heat preservation 3, supporting layer 4, second heat preservation 5 and protection outer tube 8 in proper order, is connected with the reinforcement muscle 10 of V-arrangement between working tube 1 and the protection outer tube 8, and the junction of reinforcement muscle 10 and working tube 1 is equipped with clamp plate 11, and the radian of clamp plate 11 is unanimous with the radian of working tube 1.

The working pipe 1, the protection outer pipe 8, the reinforcing ribs 10 and the pressing plate 11 are made of high-temperature-resistant materials, the working pipe 1 and the protection outer pipe 8 are connected with the reinforcing ribs 10 through welding, and the reinforcing ribs 10 guarantee stable connection among all layers of the heat-insulation pipe. And the V-shaped reinforcing ribs 10 and the protective outer pipe 8 form a stable triangular structure, so that the supporting strength of the reinforcing ribs 10 is further improved, and the possibility of deformation of the heat-insulating pipe is reduced. The arc-shaped pressing plate 11 is arranged to disperse the pressure at the end part of the reinforcing rib 10, so that the stability of the heat-insulating pipe structure is further improved. The outer side of the protective outer pipe 8 is provided with strip-shaped wear-resistant lines 9, so that the extrusion and the abrasion of the outer part of the heat-insulating pipe to the heat-insulating pipe are reduced, and the anti-skid performance of the heat-insulating pipe in the transportation process is improved while the polyurethane heat-insulating layer is protected. The outer side of the wear-resistant line 9 is coated with an anticorrosive coating, so that the anticorrosive performance of the protective outer pipe 8 is improved.

The first heat preservation layer 3 is made of aluminum silicate heat preservation materials, and is used for preserving heat of the working pipe 1 and reducing heat loss. The second heat-insulating layer 5 is a polyurethane heat-insulating layer, and the polyurethane heat-conducting coefficient is low, so that the heat-insulating treatment can be more effectively carried out on the waste heat of the heat-insulating pipe, and the energy conservation and emission reduction can be realized. Be equipped with first insulating layer 6 between supporting layer 4 and the second heat preservation 5, be equipped with second insulating layer 7 between second heat preservation 5 and the protection outer tube 8, first insulating layer 6 is made with second insulating layer 7 and is aerogel material, avoids higher temperature to conduct the polyurethane layer and causes the destruction to it, plays the effect of protection polyurethane heat preservation.

The supporting layer 4 is formed by high temperature resistant supporting bars in a staggered way to be hollow, and plays a role in buffering and protecting the heat preservation pipe. The setting of high temperature resistance support bar can improve the intensity of whole insulating tube, prevents that protection outer tube 8 from taking place deformation under the squeezing action that receives a large amount of soil. The support bars are arranged in a staggered mode to form a sealed support cavity, so that the support bars in all directions can be stressed uniformly, the local support bars are effectively prevented from being broken, and the support capacity of the support bars is enhanced. The sealed supporting cavity not only reduces the pressure to the polyurethane heat-insulating layer in the pipe, but also can reduce the influence of the temperature in the working pipe 1 on the polyurethane heat-insulating layer, thereby prolonging the service life of the polyurethane heat-insulating layer and improving the heat-insulating effect of the heat-insulating pipe. And the hollow structure reduces the weight of the heat preservation pipe, and is convenient for conveying the heat preservation pipe.

Therefore, the utility model adopts the above structure a polyurethane insulating tube is equipped with the supporting layer and adds the intensity and the structural stability that the muscle has improved the insulating tube to have good heat preservation effect, prolong its life.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.

Claims

1. A polyurethane insulating tube is characterized in that: the anti-corrosion device comprises a working pipe, the inboard of working pipe is equipped with the anticorrosive coating, the outside of working pipe is equipped with first heat preservation, supporting layer, second heat preservation and protection outer tube in proper order, the supporting layer with be equipped with first insulating layer between the second heat preservation, the second heat preservation with be equipped with the second insulating layer between the protection outer tube, the outside of protection outer tube is equipped with the line that wear-resistants of bar, the outside coating of the line that wear-resistants has anticorrosive paint, the working pipe with be connected with the reinforcement muscle of V-arrangement between the protection outer tube, reinforcement muscle with the junction of working pipe is equipped with the clamp plate.

2. The polyurethane insulating pipe according to claim 1, wherein: the working pipe, the protection outer pipe, the reinforcing ribs and the pressing plate are all made of high-temperature-resistant materials, and the working pipe and the protection outer pipe are connected with the reinforcing ribs through welding.

3. The polyurethane insulating pipe according to claim 1, wherein: the first heat-insulating layer is made of aluminum silicate heat-insulating material.

4. The polyurethane insulating pipe according to claim 1, wherein: the supporting layer is formed in a hollow shape by staggering high-temperature resistant supporting bars.

5. The polyurethane insulating pipe according to claim 1, wherein: the second heat-insulating layer is a polyurethane heat-insulating layer.

6. The polyurethane insulating pipe according to claim 1, wherein: the first heat insulation layer and the second heat insulation layer are both made of aerogel materials.