CN215488122U - Corrosion-resistant high-temperature-resistant low-carbon austenitic stainless steel seamless pipe - Google Patents

Corrosion-resistant high-temperature-resistant low-carbon austenitic stainless steel seamless pipe Download PDF

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Publication number
CN215488122U
CN215488122U CN202121445601.5U CN202121445601U CN215488122U CN 215488122 U CN215488122 U CN 215488122U CN 202121445601 U CN202121445601 U CN 202121445601U CN 215488122 U CN215488122 U CN 215488122U
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steel pipe
pipe
stainless steel
resistant
corrosion
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张凯
张洪金
朱伟
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Xinpu Special Materials Group Co ltd
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Zhejiang Xinpu Metal Material Co ltd
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Abstract

The utility model discloses a corrosion-resistant high-temperature-resistant low-carbon austenitic stainless steel seamless pipe which comprises an outer steel pipe, an inner steel pipe and a support, wherein the inner steel pipe is arranged inside the outer steel pipe, the support is connected between the outer steel pipe and the inner steel pipe in a welding mode, the side surface of the support is respectively provided with an upper welding spot and a lower welding spot, and the top of the upper welding spot is connected with the outer steel pipe. This corrosion-resistant high temperature resistant low carbon austenite stainless steel seamless pipe, the inside interior steel tube structure of outer steel tube combination through being equipped with, the problem that traditional stainless steel seamless pipe is high temperature resistant effect poor when using has been solved, in this stainless steel seamless pipe in-process of using like this, in case outer steel tube receives when coming from outside high temperature influence, the temperature will be separated by outer steel tube and clearance between the interior steel tube to inside transmission, make the inside object of interior steel tube not receive the influence of high temperature, thereby stainless steel seamless pipe high temperature resistant effect has been realized, overall structure is simple, and high functionality.

Description

Corrosion-resistant high-temperature-resistant low-carbon austenitic stainless steel seamless pipe
Technical Field
The utility model relates to the technical field of stainless steel pipes, in particular to a corrosion-resistant high-temperature-resistant low-carbon austenitic stainless steel seamless pipe.
Background
Stainless steel pipe is a hollow long round steel material, and is widely used mainly for industrial transportation pipelines such as petroleum, chemical industry, medical treatment, food, light industry, mechanical instruments, and mechanical structural parts, and also widely used for manufacturing mechanical parts and engineering structures because of its light weight when it has the same bending and torsional strength, and seamless pipe is a long steel material having a hollow cross section and having no joint at its periphery.
Most of the stainless steel seamless pipes on the market have the following problems in use:
1. the traditional stainless steel seamless pipe is mostly of a single-layer structure, the steel pipe cannot achieve a strong high-temperature resistant effect when in use, and external high temperature is easily transmitted to the inside through the single-layer steel pipe, so that wires or fluid and the like in the steel pipe are affected;
2. most stainless steel seamless pipe often is when using in adverse circumstances, is corroded by outside liquid that has corrosivity very easily, and when the liquid that has corrosivity contacts with stainless steel seamless pipe for a long time, produces the erosion of different degree to the steel pipe easily to lead to the body of stainless steel seamless pipe to appear damaged, protective properties is relatively poor during the use, has indirectly reduced the life of stainless steel pipe, can not use for a long time in adverse circumstances.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a corrosion-resistant high-temperature-resistant low-carbon austenitic stainless steel seamless pipe, which solves the problems that the existing stainless steel seamless pipe is mostly of a single-layer structure, the steel pipe can not achieve a strong high-temperature-resistant effect when in use, the external high temperature can be easily transmitted to the inside through the single-layer steel pipe, so that wires or fluids and the like in the steel pipe are influenced, the high-temperature-resistant effect is poor in the application process, certain limitation exists when in use, meanwhile, when the majority of stainless steel seamless pipes are often used in a severe environment, the stainless steel seamless pipes are easily corroded by external corrosive liquid, when the corrosive liquid is contacted with the stainless steel seamless pipe for a long time, the steel seamless pipe is easily corroded to different degrees, so that the body of the stainless steel seamless pipe is damaged, the protective performance is poor when in use, and the service life of the stainless steel pipe is indirectly shortened, the long-term use in a severe environment is not possible.
(II) technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a corrosion-resistant high temperature resistant low carbon austenite stainless steel seamless pipe, includes outer steel pipe, interior steel pipe and support, the inside of outer steel pipe is equipped with interior steel pipe, through welded mode linking bridge between outer steel pipe and the interior steel pipe, the side of support is equipped with solder joint and lower solder joint respectively, go up outer steel pipe of top connection of solder joint, interior steel pipe is connected to the bottom of solder joint down.
Preferably, the inside of the outer steel pipe is connected with a supporting block in a bonding mode, and the other end of the supporting block is connected with the inner steel pipe in a bonding mode.
Preferably, a partition plate is arranged inside the supporting block, the supporting block is filled with the rubber block, and the partition plate is located on the side face of the rubber block.
Preferably, the surface of the outer steel pipe is provided with an outer coating, the outside of the outer steel pipe is sleeved with a protective pipe, and the outer coating is positioned between the outer steel pipe and the protective pipe.
Preferably, the supports are evenly distributed, and a gap is formed between the outer steel pipe and the inner steel pipe.
(III) advantageous effects
The utility model provides a corrosion-resistant high-temperature-resistant low-carbon austenitic stainless steel seamless pipe. The method has the following beneficial effects:
(1) the corrosion-resistant high-temperature-resistant low-carbon austenitic stainless steel seamless pipe has the advantages that the problem of poor high-temperature resistance effect of the traditional stainless steel seamless pipe in use is solved by combining the arranged outer steel pipe with the inner steel pipe structure, and because the gap is formed between the outer steel pipe and the inner steel pipe and the plurality of brackets are welded between the outer steel pipe and the inner steel pipe for supporting and fixing, in the process of using the stainless steel seamless pipe, once the outer steel pipe is influenced by high temperature from the outside, the temperature is transmitted to the inside and is blocked by the gap between the outer steel pipe and the inner steel pipe, so that objects in the inner steel pipe are not influenced by high temperature, and the high-temperature resistance effect of the stainless steel seamless pipe is realized;
(2) the corrosion-resistant high-temperature-resistant low-carbon austenitic stainless steel seamless pipe is characterized in that a protective pipe is additionally arranged outside an outer steel pipe, and an outer coating is coated on the surface of the outer steel pipe, wherein the outer coating is made of corrosion-resistant material, so when the stainless steel seamless pipe is used in a severe environment, once the external corrosive liquid contacts with the steel pipe, the external corrosive liquid does not directly contact with the outer steel pipe, but is contacted with the external protective pipe firstly, thereby playing the role of isolation, only when the protective pipe is corroded, then the outer coating is corroded, so that corrosive liquid can be contacted with the outer steel pipe, the corrosion resistance of the stainless steel seamless pipe can be greatly improved, the pipe can be used in a severe environment for a long time, the service life of the pipe is indirectly prolonged, and the practicability is high.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is an overall cross-sectional view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2A of the present invention;
FIG. 4 is a schematic view of the internal structure of the support block of the present invention.
In the figure, an outer steel pipe-1, an inner steel pipe-2, a bracket-3, an upper welding point-4, a lower welding point-5, a protective pipe-6, a supporting block-7, an outer coating-8, a clapboard-9 and a rubber block-10.
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. 1-4, an embodiment of the present invention provides a technical solution: a corrosion-resistant high-temperature-resistant low-carbon austenitic stainless steel seamless pipe comprises an outer steel pipe 1, an inner steel pipe 2 and a support 3, wherein the inner steel pipe 2 is arranged inside the outer steel pipe 1, the adopted outer steel pipe 1 is combined with the inner steel pipe 2 structure, the heat-resistant effect of the seamless pipe is improved, the support 3 is connected between the outer steel pipe 1 and the inner steel pipe 2 in a welding mode, the side surfaces of the support 3 are respectively provided with an upper welding point 4 and a lower welding point 5, the structures of the upper welding point 4 and the lower welding point 5 are arranged, the connecting strength and the stability between the support 3 and the outer steel pipe 1 and between the support 3 and the inner steel pipe 2 can be improved, the top of the upper welding point 4 is connected with the outer steel pipe 1, the bottom of the lower welding point 5 is connected with the inner steel pipe 2, the outer steel pipe 1 is combined with the inner steel pipe 2 structure through the arrangement, once the outer steel pipe 1 is influenced by high temperature from the outside, the temperature is transmitted to the inside and can be blocked by a gap between the outer steel pipe 1 and the inner steel pipe 2, so that the objects in the inner steel tube 2 are not affected by high temperature, thereby realizing the effect of high temperature resistance of the stainless steel seamless tube.
The inside of outer steel pipe 1 is through the mode connection supporting shoe 7 that bonds, steel pipe 2 in the other end of supporting shoe 7 is connected through the mode that bonds, through a plurality of supporting shoes 7 that are equipped with, can improve the joint strength between outer steel pipe 1 and the interior steel pipe 2, stability is strong.
The inside of supporting shoe 7 is equipped with baffle 9, the inside packing rubber piece 10 of supporting shoe 7, baffle 9 is located the side of rubber piece 10, is equipped with polylith rubber piece 10 at supporting shoe 7, can play the effect that improves supporting shoe 7 intensity, and the functionality is stronger.
The surface of outer steel pipe 1 is equipped with external coating 8, protective tube 6 is cup jointed to the outside of outer steel pipe 1, external coating 8 is located between outer steel pipe 1 and protective tube 6, through the external coating 8 that is equipped with, can play the corrosion-resistant purpose of improvement.
Support 3 is the evenly distributed form, be equipped with the clearance between outer steel pipe 1 and the interior steel pipe 2, through be equipped with the clearance between outer steel pipe 1 and interior steel pipe 2, can play the effect of isolated heat transfer, the practicality is stronger.
The working principle is as follows: when the corrosion-resistant high-temperature-resistant low-carbon austenitic stainless steel seamless pipe is applied, the stainless steel seamless pipe is only required to be placed at a corresponding position, then the effects of conveying and protecting wires or fluid inside can be realized, and meanwhile, in the application process of the stainless steel seamless pipe, a single layer of protective pipe 6 is additionally arranged outside the outer steel pipe 1, a layer of outer coating 8 is coated on the surface of the outer steel pipe 1, and the outer coating 8 is made of corrosion-resistant materials, so that when the stainless steel seamless pipe is used in a severe environment, once the corrosive liquid outside is contacted with the steel pipe, the outer steel pipe 1 cannot be directly contacted, but is contacted with the outer protective pipe 6 firstly, so that the isolation effect can be realized, only when the protective pipe 6 is corroded, and then the outer coating 8 is corroded, therefore, corrosive liquid can be contacted with the outer steel pipe 1, the corrosion resistance of the stainless steel seamless pipe can be greatly improved, the stainless steel seamless pipe can be used in a severe environment for a long time, the service life of the pipe is indirectly prolonged, and similarly, if the stainless steel seamless pipe is used in an environment with high temperature for a long time outside, the stainless steel seamless pipe can also have the effect of high temperature resistance because the outer steel pipe 1 is combined with the inner steel pipe 2 structure inside, and because a gap is arranged between the outer steel pipe 1 and the inner steel pipe 2, and a plurality of brackets 3 are welded between the outer steel pipe 1 and the inner steel pipe 2 for supporting and fixing, when the outer steel pipe 1 is influenced by high temperature from outside, the temperature is transmitted to the inside and is blocked by the gap between the outer steel pipe 1 and the inner steel pipe 2, so that objects inside the inner steel pipe 2 are not influenced by high temperature, thereby realizing the effect of high temperature resistance of the stainless steel seamless pipe, the function is stronger, has satisfied staff's user demand, and the practicality is stronger.
The utility model relates to an outer steel pipe 1, an inner steel pipe 2, a bracket 3, an upper welding point 4, a lower welding point 5, a protective pipe 6, a supporting block 7, an outer coating 8, a clapboard 9 and a rubber block 10, wherein the components are all universal standard components or components known by technicians in the field, the structure and the principle of the components can be known by technical manuals or conventional experimental methods, and the utility model solves the problems that through the mutual combination of the components, the outer steel pipe 1 is combined with the inner steel pipe 2 structure, because a gap is arranged between the outer steel pipe 1 and the inner steel pipe 2, and a plurality of brackets 3 are welded between the outer steel pipe 1 and the inner steel pipe 2 for supporting and fixing, in the using process of the stainless steel seamless pipe, once the outer steel pipe 1 is influenced by high temperature from the outside, the temperature is blocked by the gap between the outer steel pipe 1 and the inner steel pipe 2, the object inside the inner steel pipe 2 is not affected by high temperature, thereby realizing the effect of high temperature resistance of the stainless steel seamless pipe, simultaneously, because the independent protective pipe 6 is additionally arranged outside the outer steel pipe 1, and the surface of the outer steel pipe 1 is coated with a layer of outer coating 8, wherein the outer coating 8 is made of corrosion-resistant material, when the stainless steel seamless pipe is used in a severe environment, once the corrosive liquid outside contacts with the steel pipe, the outer steel pipe 1 can not be directly contacted, but the outer protective pipe 6 is contacted first, thereby playing the role of isolation, only when the protective pipe 6 is corroded, then the outer coating 8 is corroded, the corrosive liquid can be contacted with the outer steel pipe 1, thereby greatly improving the corrosion resistance of the stainless steel seamless pipe, and being capable of being used in a severe environment for a long time, the service life of the pipe is indirectly prolonged, and the practicability is strong.
While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. The utility model provides a corrosion-resistant high temperature resistant low carbon austenite stainless steel seamless pipe which characterized in that: including outer steel pipe (1), interior steel pipe (2) and support (3), the inside of outer steel pipe (1) is equipped with interior steel pipe (2), through welded mode linking bridge (3) between outer steel pipe (1) and interior steel pipe (2), the side of support (3) is equipped with solder joint (4) and lower solder joint (5) respectively, outer steel pipe (1) is connected at the top of going up solder joint (4), interior steel pipe (2) are connected to the bottom of solder joint (5) down.
2. The corrosion-resistant high-temperature-resistant low-carbon austenitic stainless steel seamless pipe according to claim 1, characterized in that: the inner part of the outer steel pipe (1) is connected with a supporting block (7) in a bonding mode, and the other end of the supporting block (7) is connected with the inner steel pipe (2) in a bonding mode.
3. The corrosion-resistant high-temperature-resistant low-carbon austenitic stainless steel seamless tube according to claim 2, characterized in that: the rubber support is characterized in that a partition plate (9) is arranged inside the support block (7), a rubber block (10) is filled inside the support block (7), and the partition plate (9) is located on the side face of the rubber block (10).
4. The corrosion-resistant high-temperature-resistant low-carbon austenitic stainless steel seamless pipe according to claim 1, characterized in that: the surface of the outer steel pipe (1) is provided with an outer coating (8), the outer part of the outer steel pipe (1) is sleeved with a protective pipe (6), and the outer coating (8) is located between the outer steel pipe (1) and the protective pipe (6).
5. The corrosion-resistant high-temperature-resistant low-carbon austenitic stainless steel seamless pipe according to claim 1, characterized in that: the support (3) is in an evenly distributed form, and a gap is formed between the outer steel pipe (1) and the inner steel pipe (2).
CN202121445601.5U 2021-06-28 2021-06-28 Corrosion-resistant high-temperature-resistant low-carbon austenitic stainless steel seamless pipe Active CN215488122U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121445601.5U CN215488122U (en) 2021-06-28 2021-06-28 Corrosion-resistant high-temperature-resistant low-carbon austenitic stainless steel seamless pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121445601.5U CN215488122U (en) 2021-06-28 2021-06-28 Corrosion-resistant high-temperature-resistant low-carbon austenitic stainless steel seamless pipe

Publications (1)

Publication Number Publication Date
CN215488122U true CN215488122U (en) 2022-01-11

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CN202121445601.5U Active CN215488122U (en) 2021-06-28 2021-06-28 Corrosion-resistant high-temperature-resistant low-carbon austenitic stainless steel seamless pipe

Country Status (1)

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Address after: 323700 Lot 5, phase II, Jingang Industrial Park, Tashi Township, Longquan City, Lishui City, Zhejiang Province

Patentee after: Xinpu Special Materials Group Co.,Ltd.

Address before: 323700 Lot 5, phase II, Jingang Industrial Park, Tashi Township, Longquan City, Lishui City, Zhejiang Province

Patentee before: Zhejiang Xinpu metal material Co.,Ltd.

CP01 Change in the name or title of a patent holder