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Steel tube for conveying fluid

A technology for conveying fluids and steel pipes, applied in the direction of pipes, rigid pipes, pipes/pipe joints/fittings, etc., which can solve the problems of poor compression resistance, heat resistance and sealing performance, easy damage of steel pipes, and impact on quality, etc., to achieve The effect of high reliability, precise positioning and fast indexing speed

Inactive Publication Date: 2014-03-26
WUXI 369 STEEL PIPE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In actual engineering design, procurement and construction, it is often found that structural steel pipes are mixed or replaced by steel pipes for fluid transportation, which will affect the quality, cause hidden dangers or cause accidents, which is not allowed
[0003] However, the steel pipes used to transport fluids often transport flammable, explosive, toxic, corrosive, temperature and pressure media, and the compression resistance, heat resistance and sealing performance will deteriorate, making the steel pipes easy to damage

Method used

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Examples

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Embodiment Construction

[0011] The technical solutions in the embodiments of the present invention will be described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0012] The embodiments of the present invention include:

[0013] A steel pipe for conveying fluids, comprising: a manganese vanadium boron steel pipe body, a pressure strengthening layer, a sealing strengthening layer, a titanium alloy layer, a super heat-resistant alloy layer and a nickel-copper-cadmium alloy layer. The titanium alloy layer is provided on the inner surface, the super heat-resistant alloy layer is provided on the inner surface of the titanium alloy layer, and the outer surface of the manganese-vanadium-boron s...

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Abstract

The invention discloses a steel tube for conveying fluid. The steel tube for conveying fluid comprises a manganese-vanadium-boron steel tube body, a pressure strengthening layer, a seal strengthening layer, a titanium alloy layer, a super heat resistance alloy layer and a nickel-copper-cadmium alloy layer. The titanium alloy layer is arranged on the inner surface of the manganese-vanadium-boron steel tube body, the super heat resistance alloy layer is arranged on the inner surface of the titanium alloy layer, and the outer surface of the manganese-vanadium boron steel tube body is sequentially provided with the nickel-copper-cadmium alloy layer, the pressure strengthening layer and the seal strengthening layer. The steel tube for conveying fluid is durable in use, and the compression resistance performance, the heat resistance performance and the sealing performance are not changed after the steel tube is frequently used for conveying inflammable, explosive, poisonous, corrosive, high-temperature and high-pressure media.

Description

Technical field [0001] The invention relates to the field of steel pipes, in particular to a steel pipe used for conveying fluids. Background technique [0002] Steel pipes for fluid transportation are mainly used for fluid transportation under pressure. In addition to ensuring the strength and rigidity that meet the corresponding requirements, they also require tightness. That is, the steel pipes are required to be subjected to a hydraulic test before they leave the factory. For pressure pipelines, the medium it transports is often flammable, explosive, toxic, corrosive, temperature, and pressure medium, so steel pipes for fluid transportation should be used. In actual engineering design, procurement and construction, it is often found that structural steel pipes are mixed or replaced with steel pipes for fluid transportation, which affects quality, causes hidden dangers or causes accidents, which is not allowed. [0003] However, the steel pipes used to transport fluids often tr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L9/04
CPCF16L9/04
Inventor 吴伟良
Owner WUXI 369 STEEL PIPE
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