CN215568561U - High-temperature-resistant plastic-sprayed steel-plastic composite pipe - Google Patents

High-temperature-resistant plastic-sprayed steel-plastic composite pipe Download PDF

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Publication number
CN215568561U
CN215568561U CN202121266517.7U CN202121266517U CN215568561U CN 215568561 U CN215568561 U CN 215568561U CN 202121266517 U CN202121266517 U CN 202121266517U CN 215568561 U CN215568561 U CN 215568561U
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pipe
steel
steel pipe
plastic
wall
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CN202121266517.7U
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屠立均
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Chongqing Giant Tube Port Industry Co ltd
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Chongqing Giant Tube Port Industry Co ltd
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Abstract

The utility model relates to a high-temperature-resistant plastic-sprayed steel-plastic composite pipe which comprises a core pipe, wherein a first steel pipe is arranged on the outer wall of the core pipe, a second steel pipe is arranged on the outer wall of the first steel pipe, a sleeve is arranged on the outer wall of the second steel pipe, and a heat-insulating layer is filled between the first steel pipe and the second steel pipe. This high temperature resistant spouts plastic-steel and moulds compound pipe, moreover, the steam generator is simple in structure, and possess inside and outside multistage compressive capacity, avoid this steel to mould compound pipe because of the too big and broken circumstances emergence of intraductal pressure or the too big and broken circumstances of outside pressure, stereotype the heat preservation through first steel pipe and second steel pipe simultaneously, avoid this steel to mould compound pipe because of local extrusion deformation lead to the condition emergence such as thermal insulation performance difference, wrap through the inside of core pipe and sleeve pipe to first steel pipe and the outer wall of second steel pipe, thereby avoid first steel pipe and second steel pipe and external corrosive fluid contact to cause the circumstances of life weak point to take place, reach the effect of simple facilitate the use and multiple protection.

Description

High-temperature-resistant plastic-sprayed steel-plastic composite pipe
Technical Field
The utility model relates to the technical field of steel-plastic composite pipes, in particular to a high-temperature-resistant plastic-sprayed steel-plastic composite pipe.
Background
A steel-plastic composite pipe, called steel-plastic pipe for short, is a composite pipe material, is an upgraded product of the traditional galvanized pipe, and is made by taking a seamless steel pipe and a welded steel pipe as base pipes, coating polyethylene powder paint or epoxy resin paint with high adhesive force, corrosion resistance and food-grade sanitation on the inner wall, adopting the processes of pretreatment, preheating, inner coating, leveling and post-treatment, generally adopting threaded connection, and is a new composite pipe material, wherein the steel refers to a spiral pipe, a seamless spiral pipe, a straight-seam pipe, an elbow and the like; the plastic refers to plastic, and the plastic in the steel-plastic composite pipe is generally High Density Polyethylene (HDPE).
The traditional steel-plastic composite pipe is generally poor in heat insulation performance, so that the situation that most of heat of fluid in the pipe is lost to cause large energy consumption occurs, the pressure resistance is poor, the pipe body is easy to deform and break, and the like occurs, and therefore the high-temperature-resistant plastic-sprayed steel-plastic composite pipe is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a high-temperature-resistant plastic-injection plastic-plastic composite pipe which has the advantages of long service life and the like, and solves the problems that the traditional plastic-injection plastic-plastic composite pipe is poor in heat insulation performance generally, most of heat of fluid in the pipe is lost, so that the energy consumption is large, and the pipe body is easy to deform and break due to poor pressure resistance.
In order to achieve the purpose, the utility model provides the following technical scheme: the high-temperature-resistant plastic-sprayed plastic-plastic composite pipe comprises a core pipe, wherein a first steel pipe is arranged on the outer wall of the core pipe, a second steel pipe is arranged on the outer wall of the first steel pipe, a sleeve is arranged on the outer wall of the second steel pipe, and a heat-insulating layer is filled between the first steel pipe and the second steel pipe.
Further, the sleeve is a high-density polyethylene protective pipe.
Further, the heat-insulating layer is made of rigid polyurethane foam.
Further, the core pipe is a heat-resistant polyethylene pipe.
Further, the first steel pipe and the second steel pipe are both galvanized steel pipes or stainless steel pipes.
Further, the outer walls of the first steel pipe and the second steel pipe are both provided with thread line protrusions.
Further, the inner walls of the first steel pipe and the second steel pipe are provided with spiral grooves.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. this high temperature resistant spouts plastic-steel-plastic composite pipe, simple structure, and possess inside and outside multistage compressive capacity, avoid this plastic-steel composite pipe to take place because of the too big condition of intraductal pressure or the too big broken condition of outside of tubes pressure, stereotype the heat preservation through first steel pipe and second steel pipe simultaneously, avoid this plastic-steel composite pipe to warp because of local extrusion and lead to the condition such as thermal insulation performance poor to take place, further improved this plastic-steel-plastic composite pipe's practicality, reach simple facilitate the use and multiple protective effect.
2. This high temperature resistant plastic-injection steel-plastic composite pipe, fill the clearance between first steel pipe and the second steel pipe through rigid polyurethane foam, and rigid polyurethane foam possesses certain bonding strength, make first steel pipe and second steel pipe and heat preservation layer form a whole, it is spacing to core pipe and sleeve pipe spare that the line of thread arch and the spiral recess on rethread first steel pipe and the second steel pipe make the bonding stability of this steel-plastic composite pipe better, avoid this steel-plastic composite pipe to take place the condition emergence that drops or shift in the use, further improved this steel-plastic composite pipe's stability in use and prolonged this steel-plastic composite pipe's life, make this steel-plastic composite pipe facilitate promotion.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: 1 core pipe, 2 first steel pipes, 3 heat preservation layers, 4 second steel pipes and 5 sleeves.
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.
Referring to fig. 1, the high temperature resistant plastic-injection-molded plastic composite pipe in this embodiment includes a core pipe 1, the core pipe 1 is a heat resistant polyethylene pipe, a first steel pipe 2 is disposed on an outer wall of the core pipe 1, internal pressure resistance of the core pipe 1 is primarily enhanced by the first steel pipe 2, a second steel pipe 4 is disposed on an outer wall of the first steel pipe 2, external pressure resistance of a sleeve 5 is enhanced by the second steel pipe 4, the first steel pipe 2 and the second steel pipe 4 are both galvanized steel pipes or stainless steel pipes, thread protrusions are disposed on outer walls of the first steel pipe 2 and the second steel pipe 4, spiral grooves are disposed on inner walls of the first steel pipe 2 and the second steel pipe 4, a sleeve 5 is disposed on an outer wall of the second steel pipe 4, the sleeve 5 is a high density polyethylene protective pipe, a heat insulation layer 3 is filled between the first steel pipe 2 and the second steel pipe 4, the heat insulation layer 3 is made of rigid polyurethane foam, heat insulation ability of the first steel pipe 2 and the second steel pipe 4 is enhanced by the heat insulation layer 3, and internal heat flow of the core pipe 1 is reduced And the effects of energy conservation and emission reduction are realized.
In this embodiment, the heat-insulating layer 3 is not only the heat-insulating structure of the steel-plastic composite pipe, but also the connecting structure of the first steel pipe 2 and the second steel pipe 4.
The working principle of the above embodiment is as follows:
the inside compressive capacity of core pipe 1 is tentatively strengthened through first steel pipe 2, the outside compressive capacity of 4 pressure boost sleeve pipes 5 of rethread second steel pipe, realize the effect of simple and convenient inside and outside multistage resistance to compression, thereby avoid this steel-plastic composite pipe to take place because of the too big and broken condition of intraductal pressure or the outside of tubes pressure, wrap the inside of first steel pipe 2 and the outer wall of second steel pipe 4 through core pipe 1 and sleeve pipes 5, thereby avoid first steel pipe 2 and second steel pipe 4 and external corrosive fluid contact to cause the condition of life weak point to take place, design the protection to heat preservation 3 through first steel pipe 2 and second steel pipe 4, avoid this steel-plastic composite pipe to take place because of the condition such as local extrusion deformation leads to its thermal insulation performance poor, the practicality of this plastic-plastic composite pipe has further been improved.
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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a high temperature resistant spouts plastic-steel and moulds compound pipe, includes core pipe (1), its characterized in that: the outer wall of core pipe (1) is provided with first steel pipe (2), the outer wall of first steel pipe (2) is provided with second steel pipe (4), the outer wall of second steel pipe (4) is provided with sleeve pipe (5), it has heat preservation (3) to fill between first steel pipe (2) and second steel pipe (4).
2. The high temperature resistant plastic-injection plastic-plastic composite pipe according to claim 1, wherein: the sleeve (5) is a high-density polyethylene protective pipe.
3. The high temperature resistant plastic-injection plastic-plastic composite pipe according to claim 1, wherein: the heat-insulating layer (3) is made of rigid polyurethane foam plastic.
4. The high temperature resistant plastic-injection plastic-plastic composite pipe according to claim 1, wherein: the core pipe (1) is a heat-resistant polyethylene pipe.
5. The high temperature resistant plastic-injection plastic-plastic composite pipe according to claim 1, wherein: the first steel pipe (2) and the second steel pipe (4) are both galvanized steel pipes or stainless steel pipes.
6. The high temperature resistant plastic-injection plastic-plastic composite pipe according to claim 1, wherein: the outer walls of the first steel pipe (2) and the second steel pipe (4) are both provided with thread line protrusions.
7. The high temperature resistant plastic-injection plastic-plastic composite pipe according to claim 1, wherein: the inner walls of the first steel pipe (2) and the second steel pipe (4) are provided with spiral grooves.
CN202121266517.7U 2021-06-08 2021-06-08 High-temperature-resistant plastic-sprayed steel-plastic composite pipe Active CN215568561U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121266517.7U CN215568561U (en) 2021-06-08 2021-06-08 High-temperature-resistant plastic-sprayed steel-plastic composite pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121266517.7U CN215568561U (en) 2021-06-08 2021-06-08 High-temperature-resistant plastic-sprayed steel-plastic composite pipe

Publications (1)

Publication Number Publication Date
CN215568561U true CN215568561U (en) 2022-01-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121266517.7U Active CN215568561U (en) 2021-06-08 2021-06-08 High-temperature-resistant plastic-sprayed steel-plastic composite pipe

Country Status (1)

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CN (1) CN215568561U (en)

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