CN211591222U

CN211591222U - Heat insulation device for flexible composite high-pressure heat preservation pipe

Info

Publication number: CN211591222U
Application number: CN201922323884.5U
Authority: CN
Inventors: 高雄; 田美鹏
Original assignee: Xianyang Xinde'an New Material Technology Co ltd
Current assignee: Xianyang Xinde'an New Material Technology Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-09-29
Anticipated expiration: 2029-12-20

Abstract

The utility model relates to a high-pressure hose technical field's a heat-proof device for flexible compound high-pressure heat preservation pipe aims at solving and carries out heat retaining problem to the flexible compound high-pressure heat preservation pipe that gets into in the extruder, and it includes the conveyer pipe, conveyer pipe one end is established to the import, and the other end is established to the export, the perisporium ring that the conveyer pipe is close to import one end is equipped with first flange, the perisporium ring that the conveyer pipe is close to export one end is equipped with the second flange, one section conveyer pipe perisporium between first flange and the second flange is wrapped up in with thermal insulation material, the cover is equipped with the chucking subassembly of butt respectively with first flange lateral wall and. The utility model discloses have and carry out heat retaining effect to flexible compound high pressure insulating tube in getting into the extruder.

Description

Heat insulation device for flexible composite high-pressure heat preservation pipe

Technical Field

The utility model belongs to the technical field of the technique of high-pressure hose and specifically relates to a heat-proof device for flexible composite high-pressure heat preservation pipe is related to.

Background

At present, a flexible composite pipe is a novel high-performance composite pipeline, which comprises an inner layer pipe, a reinforcing layer and an outer protective layer, and is applied to the fields of production and manufacturing of land oil, gas and water gathering and transportation pipelines, high-pressure water injection pipelines, hot washing pipelines, marine oil production risers and the like. On the inner layer pipe formed by extruding thermoplastic plastics, polyester filament or other industrial filament is wound in a staggered mode to form a reinforcing layer, then a polyester tape is wound on the outer layer of the reinforcing layer, and finally the thermoplastic plastics are extruded to serve as an outer protective layer. In the lower region of temperature, the oil can reduce fast in the transportation temperature, and when the temperature was less than the temperature of appearing of paraffin in the oil, paraffin can appear and condense on oil pipe's inner wall from the oil for the flow reduces, thereby can reduce the conveying efficiency of oil, so people cover on conventional composite pipe outer protective layer and establish one deck insulation material, and insulation material overlaps outward again and establishes one deck and wraps up the layer, realizes playing the heat preservation effect to the oil that flows through inner pipe.

In the prior art, chinese patent with publication number CN205350626U discloses a flexible heat-insulating compression-resistant composite oil pipe, which comprises an anticorrosive and wear-resistant polyethylene plastic conveying pipe, wherein the polyethylene plastic conveying pipe is an ultra-high molecular weight polyethylene pipe or a heat-resistant polyethylene pipe or a high-density polyethylene pipe, a non-metallic fiber reinforcing layer is wound on the outer wall of the polyethylene plastic conveying pipe, a heat-insulating layer is arranged outside the reinforcing layer, an aluminum film capable of insulating heat is also wound outside the heat-insulating layer, and a plastic protective layer is arranged outside the aluminum film.

The working process is as follows: the innermost layer of the flexible heat-insulation compression-resistant composite oil pipe is a polyethylene plastic conveying pipe and plays a first role in heat insulation; the outer wall of the polyethylene plastic conveying pipe is wound with a non-metallic fiber reinforced layer to play a second role in heat preservation; the heat preservation layer formed by coating the nano felt arranged on the outer side of the enhancement layer plays a third role in heat preservation; an aluminum film capable of insulating heat is also wound on the outer side of the heat-insulating layer to play a fourth role in heat insulation; the plastic protective layer is arranged on the outer side of the aluminum film and is extruded by an extruder, and the plastic protective layer is a polyolefin layer and has the effects of compression resistance and fifth heat preservation.

The above prior art solutions have the following drawbacks: in the above scheme, the plastic heat-insulating layer at the outermost layer of the flexible heat-insulating compression-resistant composite oil pipe is extruded by an extruder, the temperature in the extruder is very high, and the non-metallic fiber reinforcing layer, the heat-insulating layer coated by the nano felt and the aluminum film are easily extruded and deformed by the high temperature in the extruder, so that the production requirement is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a heat-proof device for flexible composite high-pressure heat preservation pipe, which has the beneficial effect of heat preservation of the flexible composite high-pressure heat preservation pipe in the extruder.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a heat-proof device for flexible compound high pressure insulating tube, includes the conveyer pipe, conveyer pipe one end is established to the import, and the other end is established to the export, the conveyer pipe is close to the perisporium ring of import one end and is equipped with first flange, the perisporium ring that the conveyer pipe is close to export one end is equipped with the second flange, one section conveyer pipe perisporium between first flange and the second flange is wrapped up in and is had thermal insulation material, the cover is equipped with the chucking subassembly that is equipped with first flange lateral wall and second flange lateral wall butt respectively on the thermal.

Through adopting above-mentioned technical scheme, operating personnel wraps up in with thermal insulation material earlier and attaches to the conveyer pipe perisporium, first flange and second flange play limiting displacement to the thermal insulation material of conveyer pipe interlude, the chucking subassembly carries out the chucking to wrapping up in the thermal insulation material that attaches to on the conveyer pipe, prevent that the heat of extruder from transmitting to the conveyer pipe in through the gap, put into the conveyer pipe again and extrude gluey processing to the outmost of flexible composite high pressure insulating tube in the extruder, thermal insulation material's setting has realized carrying out thermal-insulated processing to the conveyer pipe that gets into the extruder, prevent that the high temperature in the extruder from being heated the shrink to the heat preservation of the flexible composite high.

The present invention may be further configured in a preferred embodiment as: the conveying pipe inlet end is provided with a conical pipe which is sleeved on the outer wall of the conveying pipe and is fixedly connected with the conveying pipe.

By adopting the technical scheme, the inner wall of the conveying pipe is used for shaping the entering flexible composite high-pressure heat-insulation pipe, and the conical pipe is used for guiding the entering flexible composite high-pressure heat-insulation pipe in the conveying pipe, so that the heat-insulation layer is prevented from being scratched by one end of the conveying pipe.

The present invention may be further configured in a preferred embodiment as: and threaded holes which are distributed in a circumferential array manner by taking the axis of the conical pipe as the circle center are formed in the second flange.

Through adopting above-mentioned technical scheme, the setting of screw hole has realized the fixed between conical tube and the extruder.

The present invention may be further configured in a preferred embodiment as: the heat insulating material is made of heat insulating asbestos.

Through adopting above-mentioned technical scheme, because thermal-insulated asbestos has low heat conductivity, stability is high and compressive strength is high, thermal insulation material sets up to thermal-insulated asbestos to have realized insulating against heat the conveyer pipe that gets into the extruder, prevents that the high temperature in the extruder from being heated the shrink to the heat preservation of the flexible composite high pressure insulating tube of carrying in the conveyer pipe.

The present invention may be further configured in a preferred embodiment as: the conveying pipe is arranged at the joint of the conical pipe and is in a horn mouth shape, and the outer wall of the horn mouth-shaped connecting pipe is fixedly connected with the inner wall of the conical pipe.

Through adopting above-mentioned technical scheme, conveyer pipe and toper union coupling department set up to horn mouth form and horn mouth form connecting tube outer wall and toper intraductal wall fixed connection, have realized the integrative fixed connection between conveyer pipe and the toper pipe, prevent that flexible composite high pressure insulating tube thermal insulation layer is by the scratch.

The present invention may be further configured in a preferred embodiment as: the clamping assembly comprises a first clamping piece and a second clamping piece fixedly connected with the first clamping piece through a bolt.

Through adopting above-mentioned technical scheme, the setting of first chucking spare and second chucking spare has realized the fixed to thermal-insulated asbestos.

The present invention may be further configured in a preferred embodiment as: both the two clamping components are provided with openings, a fixing rope for fixing heat insulation materials is wound between the two clamping components, and two ends of the fixing rope are fixedly connected with the two openings respectively.

Through adopting above-mentioned technical scheme, the setting of trompil has realized the fixed to fixed rope, and the setting of fixed rope has realized the fastening to thermal-insulated asbestos, makes thermal-insulated asbestos hug closely the conveyer pipe and keeps the temperature.

The present invention may be further configured in a preferred embodiment as: the inner wall of the conveying pipe is plated with lubricating paint.

By adopting the technical scheme, the arrangement of the lubricating paint prevents the flexible composite high-pressure heat-insulating pipe from being scratched when entering the conveying pipe, and improves the smoothness of the inner wall of the conveying pipe.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the conveying pipe entering the extruder is subjected to heat insulation treatment through the designed heat insulation material, so that the heat insulation layer of the flexible composite high-pressure heat insulation pipe conveyed in the conveying pipe is prevented from being heated and shrunk by high temperature in the extruder;

2. the guide of the flexible composite high-pressure heat-insulation pipe entering the conveying pipe is realized through the designed conical pipe, and the heat-insulation layer is prevented from being scratched by one end of the conveying pipe;

3. the fastening of the heat-insulating asbestos is realized through the designed fixing rope, so that the heat-insulating asbestos is tightly attached to the conveying pipe to keep the temperature.

Drawings

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

In the figure, 1, a clamping assembly; 11. a delivery pipe; 12. fixing a rope; 13. a first clamping member; 14. a second clamping member; 15. an outlet; 16. opening a hole; 17. a second flange; 18. a thermal insulation material; 19. a threaded hole; 20. a first flange; 21. a tapered tube; 22. and (4) an inlet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a heat insulation device for flexible composite high-pressure heat preservation pipe, including a conveying pipe 11, in order to prevent the flexible composite high-pressure heat preservation pipe from being scratched when entering the conveying pipe 11, improve the smoothness of the inner wall of the conveying pipe 11, the inner wall of the conveying pipe 11 is plated with a lubricating paint, one end of the conveying pipe 11 is set as an inlet 22, the other end is set as an outlet 15, in order to limit the heat insulation material 18 at the middle section of the conveying pipe 11, a first flange 20 is arranged on the peripheral wall ring at the end of the conveying pipe 11 close to the inlet 22, a second flange 17 is arranged on the peripheral wall ring at the end of the conveying pipe 11 close to the outlet 15, in order to fix the tapered pipe 21 and the extruder, a threaded hole 19 which is circumferentially distributed with the axis of the tapered pipe 21 as the center of a circle is arranged on the, in order to realize the heat insulation treatment of the conveying pipe 11 entering the extruder and prevent the heat insulation layer of the flexible composite high-pressure heat insulation pipe conveyed in the conveying pipe 11 from being heated and shrunk by high temperature in the extruder, the peripheral wall of one section of the conveying pipe 11 between the first flange 20 and the second flange 17 is wrapped with a heat insulation material 18, and the heat insulation material 18 is made of heat insulation asbestos.

Referring to fig. 1, in order to fix the heat insulation asbestos, the heat insulation asbestos is sleeved with a clamping assembly 1 respectively abutted against a side wall of a first flange 20 and a side wall of a second flange 17, the clamping assembly 1 comprises a first clamping piece 13 and a second clamping piece 14 fixedly connected with the first clamping piece 13 through a bolt, both the two clamping assemblies 1 are provided with an opening 16, further, in order to fasten the heat insulation asbestos, the heat insulation asbestos is tightly attached to a conveying pipe 11 to maintain the temperature, a fixing rope 12 for fixing a heat insulation material 18 is wound between the two clamping assemblies 1, two ends of the fixing rope 12 are respectively fixedly connected with the two openings 16, and in the embodiment, the fixing rope 12 is fixedly connected with the two openings 16 in a welding manner.

Referring to fig. 1, in order to realize the guide to getting into the flexible compound high pressure insulating tube in conveyer pipe 11, prevent that conveyer pipe 11 one end from causing the scratch to the heat preservation, conveyer pipe 11 import 22 one end is provided with the cover locate conveyer pipe 11 outer wall and with conveyer pipe 11 fixed connection's conical tube 21, fixed connection between conveyer pipe 11 and the conical tube 21 welds as an organic whole in this embodiment, conveyer pipe 11 and conical tube 21 junction establish to the horn mouth form, horn mouth form connecting tube outer wall and conical tube 21 inner wall fixed connection, fixed connection is the welding in this embodiment.

The implementation principle of the embodiment is as follows: the operating personnel wraps up in at the conveyer pipe 11 perisporium with thermal insulation material 18 earlier, first flange 20 and second flange 17 play limiting displacement to the thermal insulation material 18 of conveyer pipe 11 interlude, chucking subassembly 1 carries out the chucking to the thermal-insulated asbestos of wrapping up in on conveyer pipe 11, prevent that the heat of extruder from transmitting to conveyer pipe 11 in through the gap, put into the extruder with conveyer pipe 11 again and intraductally carry out crowded gluey processing to the outmost layer of flexible composite high pressure insulating tube, thermal-insulated asbestos realizes the thermal-insulated processing to the conveyer pipe 11 that gets into the extruder, prevent that the high temperature in the extruder from being heated the shrink to the heat preservation of the flexible composite high pressure insulating tube of conveyer pipe 11.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a heat-proof device for flexible compound high pressure insulating tube which characterized in that: including conveyer pipe (11), conveyer pipe (11) one end is established to import (22), and the other end is established to export (15), conveyer pipe (11) are close to the perisporium ring of import (22) one end and are equipped with first flange (20), conveyer pipe (11) are close to the perisporium ring of export (15) one end and are equipped with second flange (17), one section conveyer pipe (11) perisporium between first flange (20) and second flange (17) is wrapped up in and is had thermal insulation material (18), the cover is equipped with chucking subassembly (1) with first flange (20) lateral wall and second flange (17) lateral wall butt respectively on thermal insulation material (18).

2. The heat insulation device for the flexible composite high-pressure heat preservation pipe according to claim 1, characterized in that: one end of the inlet (22) of the conveying pipe (11) is provided with a conical pipe (21) which is sleeved on the outer wall of the conveying pipe (11) and is fixedly connected with the conveying pipe (11).

3. The heat insulation device for the flexible composite high-pressure heat preservation pipe according to claim 1, characterized in that: the second flange (17) is provided with threaded holes (19) which are distributed in a circumferential array by taking the axis of the conical pipe (21) as the center of a circle.

4. The heat insulation device for the flexible composite high-pressure heat preservation pipe according to claim 1, characterized in that: the heat insulating material (18) is provided as heat insulating asbestos.

5. The heat insulation device for the flexible composite high-pressure heat preservation pipe according to claim 1, characterized in that: conveyer pipe (11) and conical tube (21) junction establish to the horn mouth form, horn mouth form connecting tube outer wall and conical tube (21) inner wall fixed connection.

6. The heat insulation device for the flexible composite high-pressure heat preservation pipe according to claim 1, characterized in that: the clamping assembly (1) comprises a first clamping piece (13) and a second clamping piece (14) fixedly connected with the first clamping piece (13) through a bolt.

7. The thermal insulation device for the flexible composite high-pressure heat preservation pipe according to claim 6, characterized in that: both the two clamping components (1) are provided with holes (16), a fixing rope (12) for fixing a heat insulation material (18) is wound between the two clamping components (1), and two ends of the fixing rope (12) are fixedly connected with the two holes (16) respectively.

8. The heat insulation device for the flexible composite high-pressure heat preservation pipe according to claim 1, characterized in that: the inner wall of the conveying pipe (11) is plated with lubricating paint.