Unlock instant, AI-driven research and patent intelligence for your innovation.

Corrosion resistance valve for heat supply pipeline

A heating pipeline, corrosion-resistant technology, applied in the field of corrosion-resistant valves, can solve the problems of low corrosion resistance, poor high temperature resistance, short service life, etc., to increase fatigue resistance, improve comprehensive performance, and improve resistance to atmospheric corrosion. Effect

Inactive Publication Date: 2015-11-25
JIANGSU HENGCHUN INTELLIGENT TECH
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the application of valves plays a key role in many fields, because the use environment of valves is affected by their materials, and valves also have defects, such as: low corrosion resistance, poor high temperature resistance, low strength, short service life, etc. In response to these defects, the present invention proposes a corrosion-resistant valve for heating pipelines, which improves the corrosion resistance and high temperature resistance of the valve, increases its strength and service life, and reduces costs

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] This embodiment provides a corrosion-resistant valve for heating pipelines, the surface of the corrosion-resistant valve is coated with an alloy material, and the mass percentages of the chemical composition of the alloy material are: C: 0.26%, Mg: 0.27%, Mn: 1.1% , P: 0.025%, Al: 0.8%, Co: 0.38%, Ni: 0.50%, Mo: 0.20%, Zr: 0.22%, V: 0.025%, W: 0.08%, Ti: 13%, rare earth: 0.24% , the rest are Fe and trace impurities;

[0018] Among the rare earths, the following components are contained by weight percentage: Gd: 15-18%, Pr: 3-5%, Dy: 7-9%, Ac: 12.5-12.8%, Nd: 15-20%, Sm: 11- 13%, the balance is La.

Embodiment 2

[0020] This embodiment provides a corrosion-resistant valve for heating pipelines, the surface of the corrosion-resistant valve is coated with an alloy material, and the mass percentages of the chemical composition of the alloy material are: C: 0.25%, Mg: 0.26%, Mn: 1.0% , P: 0.020%, Al: 0.7%, Co: 0.35%, Ni: 0.45%, Mo: 0.15%, Zr: 0.1%, V: 0.02%, W: 0.05%, Ti: 12%, rare earth: 0.22% , the rest are Fe and trace impurities;

[0021] Among the rare earths, the following components are contained by weight percentage: Gd: 15%, Pr: 3%, Dy: 7%, Ac: 12.5%, Nd: 15%, Sm: 11%, and the balance is La.

Embodiment 3

[0023] This embodiment provides a corrosion-resistant valve for heating pipelines. The surface of the corrosion-resistant valve is coated with an alloy material. The mass percentage of the chemical composition of the alloy material is: C: 0.28%, Mg: 0.28%, Mn: 1.2% , P: 0.030%, Al: 0.9%, Co: 0.45%, Ni: 0.52%, Mo: 0.22%, Zr: 0.3%, V: 0.03%, W: 0.10%, Ti: 15%, rare earth: 0.25% , the rest are Fe and trace impurities;

[0024] Among the rare earths, the following components are contained by weight percentage: Gd: 18%, Pr: 5%, Dy: 9%, Ac: 12.8%, Nd: 20%, Sm: 13%, and the balance is La.

[0025] In this way, through the technical solution of the present invention, not only the corrosion resistance, wear resistance and oxidation resistance of the valve are improved, but also the valve can be adapted to work in various harsh environments, with high strength and long service life, which reduces the cost and improves the valve resistance. high temperature capability.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a corrosion resistance valve for a heat supply pipeline. The surface of the corrosion resistance valve is coated with an alloy material. The alloy material comprises chemical components including, by mass, 0.25-0.28% of C, 0.26-0.28% of Mg, 1.0-1.2% of Mn, 0.020-0.030% of P, 0.7-0.9% of Al, 0.35-0.45% of Co, 0.45-0.52% of Ni, 0.15-0.22% of Mo, 0.1-0.3% of Zr, 0.02-0.03% of V, 0.05-0.10% of W, 12-15% of Ti, 0.22-0.25% of rare earth, and the balance Fe and trace impurities. According to the corrosion resistance valve for the heat supply pipeline, the corrosion resistance, abrasion resistance and oxidation resistance of the valve are improved, the corrosion resistance valve can adapt to various severe environments to work, strength is high, and meanwhile the service life is long.

Description

technical field [0001] The invention relates to a valve, in particular to a corrosion-resistant valve used for heating pipelines. Background technique [0002] At present, the application of valves plays a key role in many fields, because the use environment of valves is affected by their materials, and valves also have defects, such as: low corrosion resistance, poor high temperature resistance, low strength, short service life, etc. In view of these defects, the present invention proposes a corrosion-resistant valve for heating pipelines, which improves the corrosion resistance and high temperature resistance of the valve, increases its strength and service life, and reduces costs. Contents of the invention [0003] The technical problem to be solved by the present invention is to propose a corrosion-resistant valve for heating pipelines, which not only improves the corrosion resistance, wear resistance and oxidation resistance of the valve, but also can adapt to various...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C22C38/14
Inventor 孙宏春解伟孙凡
Owner JIANGSU HENGCHUN INTELLIGENT TECH