CN112128484A

CN112128484A - High-temperature material transportation flexible composite pipe with heat insulation and preservation functions

Info

Publication number: CN112128484A
Application number: CN202011163284.8A
Authority: CN
Inventors: 仲宝付; 孙祥正; 黄祥; 李新年; 郭爱平
Original assignee: Jiangsu Shenshi New Material Technology Co ltd
Current assignee: Jiangsu Shenshi New Material Technology Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2020-12-25

Abstract

The invention discloses a high-temperature material transportation flexible composite pipe with heat insulation and preservation functions, which comprises: the surface of the inner wall of the outer protective layer is fixedly connected with a first spiral steel glass fiber reinforced layer, and the surface of the inner wall of the first spiral steel glass fiber reinforced layer is fixedly connected with a second spiral steel glass fiber reinforced layer; according to the invention, through the installed glass fiber heat-insulation interlayer and the heat-insulation assembly, the glass fiber heat-insulation interlayer is specifically formed by weaving the glass fibers in a left-right crossed manner, so that heat conduction can be isolated, the heat-insulation performance of the composite pipe can be improved, and the vacuum chamber between the first armor layer and the second armor layer is in a vacuum state, so that heat conduction can also be isolated, and heat loss of materials in the inner core pipe to the outside can be further avoided, so that the materials in the inner core pipe are kept in a high-temperature state all the time, the blocking phenomenon caused by material cooling is avoided, and the composite pipe can be suitable for transportation of various high-temperature materials.

Description

High-temperature material transportation flexible composite pipe with heat insulation and preservation functions

Technical Field

The invention relates to the technical field of flexible composite pipes, in particular to a high-temperature material transportation flexible composite pipe with heat insulation and preservation functions.

Background

Along with the increasing exhaustion of land oil, the exploitation of human beings to the ocean gradually turns to, and accelerate to move to the deep sea field that oil gas resource is abundant, the marine pipeline is connecting each well head in seabed and well head and marine floating production facility, be as one of the essential ocean engineering equipment of carrying oil gas resource, the rational design of marine pipeline has great significance to the safety and the rapid development of ocean undertaking, according to the pipeline bending rigidity difference, the marine pipeline can be divided into steel pipe and flexible pipe, at present on a large scale the labour is steel pipeline, but its corrosion-resistant fatigue resistance can be poor, difficult installation and maintenance, gradually by strong, the installation effectiveness is high, but flexible pipe that the recoverability is strong replaces, the flexible pipe has become the development focus of ocean engineering equipment.

Composite reinforced flexible pipes used in marine engineering are generally of a three-layer structure: inner liner, enhancement layer and outer protective layer, the enhancement layer adopts the cross winding of the fibrous zone that combined material constitutes to form, very big improvement the anti interior pressure ability of flexible pipe for the flexible pipe has different anti interior pressure and stretch-proofing ability through changing fibrous zone winding angle moreover.

However, the conventional flexible pipe has the following disadvantages when in use:

1. when the high-temperature material is conveyed by the traditional flexible pipe, the heat of the material in the pipe can be lost greatly, and the phenomenon causes the phenomenon of pipeline blockage due to the fact that the material with higher viscosity is reduced in temperature and then is increased greatly.

2. Traditional flexible pipe need drag it when using for the flexible pipe outside can rub on ground, and the time is one long, appears the outside serious condition of wearing and tearing of flexible pipe easily, thereby reduces its life.

Disclosure of Invention

The invention aims to provide a high-temperature material transportation flexible composite pipe with heat insulation and preservation functions, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a high temperature material transportation flexible composite pipe with thermal-insulated heat preservation function includes:

the inner wall surface of the first spiral steel glass fiber reinforced layer is fixedly connected with a second spiral steel glass fiber reinforced layer, and a glass fiber heat-insulating interlayer is fixedly arranged between the inner wall of the second spiral steel glass fiber reinforced layer and the outer wall of the inner core tube through a glue layer;

an inner core tube;

wherein, the inner core pipe is positioned at the inner side of the outer protective layer.

Preferably, the method further comprises the following steps:

the heat insulation assembly comprises a first armor layer and a second armor layer, a supporting partition plate is fixedly arranged between the first armor layer and the second armor layer, and the supporting partition plate divides the space between the first armor layer and the second armor layer into a plurality of vacuum chambers;

the first armor layer and the second armor layer are fixedly connected with the outer protective layer respectively.

Preferably, the method further comprises the following steps:

the wear-resistant assembly is provided with a plurality of groups, the wear-resistant assembly comprises a wear-resistant outer support, a plurality of ball sleeves are fixedly arranged on the surface of one end of the wear-resistant outer support, and balls are arranged in the ball sleeves in a rolling manner;

and the wear-resistant outer support is fixedly arranged on the surface of the outer wall of the outer protection layer.

Preferably, the vacuum chamber is filled with heat insulation cotton.

Preferably, the glass fiber heat-insulating interlayer is specifically formed by weaving glass fibers in a left-right crossed manner.

Preferably, the outer protective layer is made of polyvinyl chloride.

Preferably, the inner core tube is made of a high-molecular polyethylene resin material and is processed by an extrusion molding technology.

Preferably, a plurality of wear-resistant components are uniformly distributed on the surface of the outer wall of the outer protection layer, and the distance between every two adjacent wear-resistant components is consistent.

Preferably, one third of the area of the ball is located outside the ball sleeve.

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

1. according to the invention, through the installed glass fiber heat-insulation interlayer and the heat-insulation assembly, the glass fiber heat-insulation interlayer is specifically formed by weaving the glass fibers in a left-right crossed manner, so that heat conduction can be isolated, the heat-insulation performance of the composite pipe can be improved, and the vacuum chamber between the first armor layer and the second armor layer is in a vacuum state, so that heat conduction can also be isolated, and heat loss of materials in the inner core pipe to the outside can be further avoided, so that the materials in the inner core pipe are kept in a high-temperature state all the time, the blocking phenomenon caused by material cooling is avoided, and the composite pipe can be suitable for transportation of various high-temperature materials.

2. According to the composite pipe, through the installed wear-resistant assembly, when the composite pipe is tiled on the ground, the wear-resistant outer support can be in contact with the ground, the composite pipe can be erected, the circulation of air on the surface of the composite pipe is facilitated, the situation that the composite pipe is corroded due to the fact that the composite pipe is in contact with the ground for a long time is avoided, when the composite pipe is dragged and moved, the balls can roll in the ball sleeve, meanwhile, the balls exposed from the ball sleeve can be in contact with the ground, the composite pipe can move through the balls, the friction force between the composite pipe and the ground can be effectively reduced, the composite pipe can be dragged and moved conveniently by people, the wear resistance of the composite pipe can be improved, and the service life of the composite pipe is effectively prolonged.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic cross-sectional view of an outer passivation layer according to the present invention;

FIG. 4 is a schematic view of the construction of the thermal insulation assembly of the present invention;

fig. 5 is a schematic view of the wear assembly of the present invention.

In the figure: 10-an outer protective layer; 11-a heat insulation and preservation component; 111-a first armor layer; 112-a second armor layer; 113-a vacuum chamber; 114-a supporting bulkhead; 115-heat preservation cotton; 20-a first spun steel fiberglass reinforced layer; 30-a second spun steel fiberglass reinforced layer; 40-glue layer; 50-glass fiber heat-insulating layer; 60-inner core tube; 70-a wear resistant component; 71-wear-resistant outer support; 72-ball sleeve; 73-ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1-5, the present invention provides a technical solution: a high temperature material transportation flexible composite pipe with thermal-insulated heat preservation function includes: an outer protective layer 10 and an inner core tube 60.

The glass fiber heat-insulating inner wall protection structure comprises an outer protection layer 10, a first spiral steel glass fiber reinforced layer 20 is fixedly connected to the surface of the inner wall of the outer protection layer 10, a second spiral steel glass fiber reinforced layer 30 is fixedly connected to the surface of the inner wall of the first spiral steel glass fiber reinforced layer 20, and a glass fiber heat-insulating interlayer 50 is fixedly mounted between the inner wall of the second spiral steel glass fiber reinforced layer 30 and the outer wall of an inner core pipe 60 through a glue layer 40.

Further, the glass fiber heat-insulating interlayer 50 can improve the heat-insulating performance of the composite pipe, and avoid the loss of material heat in the pipeline.

Wherein, the inner core tube 60 is positioned at the inner side of the outer protection layer 10.

The glass fiber heat-insulating interlayer 50 is specifically formed by weaving glass fibers in a left-right crossed manner.

Furthermore, the heat conduction can be isolated, so that the heat insulation performance of the composite pipe can be improved, and the tearing resistance performance of the composite pipe can also be improved.

The outer protection layer 10 is made of polyvinyl chloride.

Furthermore, the composite pipe can be protected, and the service life of the composite pipe is prolonged.

The inner core tube 60 is made of a high molecular polyethylene resin material, and is processed by an extrusion molding technology.

By integrating the above embodiments, the glass fiber insulation interlayer 50 is specifically formed by weaving glass fibers in a left-right crossed manner, so that heat conduction can be isolated, and the thermal insulation performance of the composite pipe can be improved, so that the material inside the inner core pipe is kept in a high-temperature state all the time, the blocking phenomenon caused by material cooling is avoided, and the composite pipe can be suitable for transportation of various high-temperature materials.

Example 2:

referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a high temperature material transportation flexible composite pipe with thermal-insulated heat preservation function, still includes: a heat insulating and preserving component 11.

The heat insulation and preservation assembly 11 comprises a first armor layer 111 and a second armor layer 112, a supporting partition plate 114 is fixedly installed between the first armor layer 111 and the second armor layer 112, and the supporting partition plate 114 divides the space between the first armor layer 111 and the second armor layer 112 into a plurality of vacuum chambers 113.

Furthermore, the vacuum chamber 113 between the first armor layer 111 and the second armor layer 112 is in a vacuum state, and can also isolate heat conduction, so that heat loss of the material in the inner core tube 60 to the outside can be further avoided, the material in the inner core tube 60 is kept in a high-temperature state all the time, and the blocking phenomenon caused by material cooling is avoided.

Furthermore, the supporting partition plate 114 may be made of rubber, and the supporting partition plate 114 can support and fix the first armor layer 111 and the second armor layer 112 together, and can also divide the space between the first armor layer 111 and the second armor layer 112 into a plurality of vacuum chambers 113, so that when the composite pipe is cut, only the vacuum chamber 113 at the cut position is disabled, and the vacuum state in the other vacuum chambers 113 is not affected.

The first armor layer 111 and the second armor layer 112 are respectively fixedly connected with the outer protection layer 10.

The vacuum chamber 113 is filled with insulating cotton 115.

Further, the heat insulation cotton 115 can further improve the heat insulation performance of the composite pipe.

In combination with the above embodiments, the vacuum chamber 113 between the first armor layer 111 and the second armor layer 112 is in a vacuum state, and can also isolate heat conduction, so that heat loss of the material in the inner core tube 60 can be further prevented, the material in the inner core tube 60 is kept in a high temperature state all the time, a blocking phenomenon caused by material cooling is avoided, and the composite tube can be suitable for transportation of various high temperature materials.

Example 3:

referring to fig. 2 and 5, the present invention provides a technical solution: the utility model provides a high temperature material transportation flexible composite pipe with thermal-insulated heat preservation function, still includes: a wear assembly 70.

Wherein, wear-resisting component 70 is equipped with a plurality of groups, wear-resisting component 70 includes that wear-resisting outer props 71, wear-resisting outer 71 end fixed surface of propping installs ball cover 72, and ball cover 72 is equipped with a plurality of, the inside rolling installation of ball cover 72 has ball 73.

Further, when this compound pipe tiling is on ground, wear-resisting outer support 71 can contact ground, then can make somebody a mere figurehead with compound pipe, be favorable to compound pipe surface air's circulation, avoid compound pipe long time contact ground and the condition of corruption appears, when dragging the removal to compound pipe, ball 73 can roll in ball cover 72, the ball 73 of simultaneously following ball cover 72 exposure can contact ground, make compound pipe can remove through the ball, then can effectively reduce the frictional force between compound pipe and the ground.

Wherein, the wear-resistant outer support 71 is fixedly arranged on the outer wall surface of the outer protection layer 10.

The wear-resistant assemblies 70 are uniformly distributed on the outer wall surface of the outer protection layer 10, and the distance between every two adjacent wear-resistant assemblies 70 is consistent.

Further, it is ensured that when the composite pipe is laid flat on the ground, at least two wear-resistant outer supports 71 will contact the ground.

Wherein one third of the area of the ball 73 is located outside the ball sleeve 72.

Further, the balls 73 are allowed to contact the ground without affecting the rolling of the balls 73 in the ball housing 72.

Synthesize above embodiment when this compound pipe tiling is subaerial, wear-resisting outer support 71 can contact ground, then can make somebody a mere figurehead with compound pipe, be favorable to the circulation of compound pipe surface air, avoid compound pipe long time to contact ground and the condition of corruption appears, when pulling the removal to compound pipe, ball 73 can roll in ball cover 72, the ball 73 of simultaneously exposing from ball cover 72 can contact ground, make compound pipe can remove through the ball, then can effectively reduce the frictional force between compound pipe and the ground, the removal of pulling of people to compound pipe not only can be convenient for, can also improve the wearability of this compound pipe, the life of this compound pipe has effectively been prolonged.

In the several embodiments provided in the present invention, it should be understood that the disclosed apparatus may be implemented in other ways. The welding or screwing or winding of the parts to be welded or screwed together as shown or discussed can be assisted by means of devices such as welding torches, screwing with wrenches, etc., and the parts of the device can be made of various materials, such as metal materials, for example, aluminum alloys, steel and copper, by casting or by mechanical stamping.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a high temperature material transportation flexible composite pipe with thermal-insulated heat preservation function which characterized in that includes:

the glass fiber insulation core comprises an outer protection layer (10), wherein a first spiral steel glass fiber reinforced layer (20) is fixedly connected to the surface of the inner wall of the outer protection layer (10), a second spiral steel glass fiber reinforced layer (30) is fixedly connected to the surface of the inner wall of the first spiral steel glass fiber reinforced layer (20), and a glass fiber insulation interlayer (50) is fixedly installed between the inner wall of the second spiral steel glass fiber reinforced layer (30) and the outer wall of an inner core pipe (60) through an adhesive layer (40);

an inner core tube (60);

wherein, the inner core tube (60) is positioned at the inner side of the outer protective layer (10).

2. The flexible composite pipe for transporting high-temperature materials with the functions of heat insulation and heat preservation according to claim 1, is characterized by further comprising:

the heat insulation and preservation assembly (11) comprises a first armor layer (111) and a second armor layer (112), a supporting partition plate (114) is fixedly installed between the first armor layer (111) and the second armor layer (112), and the supporting partition plate (114) divides the space between the first armor layer (111) and the second armor layer (112) into a plurality of vacuum chambers (113);

the first armor layer (111) and the second armor layer (112) are fixedly connected with the outer protection layer (10) respectively.

3. The flexible composite pipe for transporting high-temperature materials with the functions of heat insulation and heat preservation according to claim 1, is characterized by further comprising:

the wear-resistant assembly (70), the wear-resistant assembly (70) is provided with a plurality of groups, the wear-resistant assembly (70) comprises a wear-resistant outer support (71), a plurality of ball sleeves (72) are fixedly arranged on the surface of one end of the wear-resistant outer support (71), and balls (73) are arranged in the ball sleeves (72) in a rolling manner;

the wear-resistant outer support (71) is fixedly arranged on the surface of the outer wall of the outer protection layer (10).

4. The high-temperature material transportation flexible composite pipe with the heat insulation and preservation functions as claimed in claim 2, wherein: the vacuum chamber (113) is filled with heat insulation cotton (115).

5. The high-temperature material transportation flexible composite pipe with the heat insulation and preservation functions as claimed in claim 1, wherein: the glass fiber heat-insulating interlayer (50) is specifically formed by weaving glass fibers in a left-right crossed winding manner.

6. The high-temperature material transportation flexible composite pipe with the heat insulation and preservation functions as claimed in claim 1, wherein: the outer protection layer (10) is made of polyvinyl chloride materials.

7. The high-temperature material transportation flexible composite pipe with the heat insulation and preservation functions as claimed in claim 1, wherein: the inner core pipe (60) is made of high-molecular polyethylene resin materials and is processed by an extrusion molding technology.

8. The high-temperature material transportation flexible composite pipe with the heat insulation and preservation functions as claimed in claim 3, wherein: the wear-resistant components (70) are uniformly distributed on the outer wall surface of the outer protection layer (10), and the distance between every two adjacent wear-resistant components (70) is consistent.

9. The high-temperature material transportation flexible composite pipe with the heat insulation and preservation functions as claimed in claim 3, wherein: one third of the area of the ball (73) is located outside the ball sleeve (72).