High-antibacterial-performance austenitic stainless steel applied to chemical production

A technology of austenitic stainless steel and performance, which is applied in the field of high antibacterial performance austenitic stainless steel and its preparation to achieve the effect of reducing the killing time

Active Publication Date: 2018-11-02
INST OF METAL RESEARCH - CHINESE ACAD OF SCI
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is necessary to use antibacterial functional 304LN-Cu austenitic stainless steel for the chemical environment containing bacteria and microorganisms. However, due to the high concentration of bacteria in the chemical environment, it is affected by the limitations of the current antibacterial functional stainless steel. Provide A kind of austenitic stainless steel with high antibacterial performance and its preparation method is an effective way

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

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • High-antibacterial-performance austenitic stainless steel applied to chemical production
  • High-antibacterial-performance austenitic stainless steel applied to chemical production
  • High-antibacterial-performance austenitic stainless steel applied to chemical production

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] According to the chemical composition range set by the high antibacterial performance austenitic stainless steel material, the present invention adopts 15 kilograms of vacuum induction furnaces to smelt 10 kilograms of the high antibacterial performance austenitic stainless steel for the embodiment and the comparative example, and its chemical composition is shown in Table 1.

[0025] The main chemical composition (wt.%) of the high antibacterial performance austenitic stainless steel of table 1 embodiment and comparative example

[0026]

[0027] According to the parameter range of the heat treatment method set by the high antibacterial performance austenitic stainless steel of the present invention, the detailed parameters of solid solution and aging heat treatment formulated are shown in Table 2.

[0028] The heat treatment process parameter of table 2 embodiment and comparative example

[0029]

[0030] 1. In vitro antibacterial performance test

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 aims to provide a high-antibacterial-performance austenitic stainless steel applied to chemical production and a manufacturing method thereof. The high-antibacterial-performance austenitic stainless steel and the manufacturing method thereof aim to achieve the effects that under the solid solution and aging heat treatment states of the austenitic stainless steel, a function of effectively resisting high-concentration bacteria (larger than (4-5)*10<6> CFU / mL) is achieved, and the corrosion risk of bacteria microorganisms caused by the use of the titanium alloy material is remarkably reduced. The high-antibacterial-performance austenitic stainless steel comprises the following chemical components of, by weight, 18.0-20.0% of Cr, 8.0-10.5% of Ni, 2.0-4.0% of Cu, 0.5-2% of Ga, 0.1-0.16% of N, less than or equal to 0.03% of C, less than or equal to 0.75% of Si, less than or equal to 2.0% of Mn, less than or equal to 0.045% of P, less than or equal to 0.03% of S and the balanceFe. The high-antibacterial-performance austenitic stainless steel is widely applied to the chemical production containing the high-concentration bacteria, and a storage container and a liquid conveying pipeline are mainly involved.

Description

technical field [0001] The invention relates to the technical field of austenitic stainless steel materials, in particular to an austenitic stainless steel with high antibacterial performance applied to chemical production and a preparation method thereof. Background technique [0002] Conventional stainless steel equipment for transporting or storing liquids, after long-term use, the accumulated scale or impurities will adhere to the inner wall of the pipeline to breed microorganisms. When the amount of liquid in the storage container or pipeline is small or there is no liquid circulation , the residual microorganisms will form a large flora after a certain period of time, which will cause extensive corrosion of the container or pipeline, and the quality of the liquid will also be polluted. With the improvement of people's living standards, antibacterial, antibacterial and antiviral health management has become an issue of great concern in today's society. The traditional w...

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): C22C38/42C22C38/02C22C38/04C22C33/04C21D8/00
CPCC21D8/005C21D2211/001C22C33/04C22C38/001C22C38/002C22C38/02C22C38/04C22C38/42
Inventor 赵金龙席通杨柯杨春光
Owner INST OF METAL RESEARCH - CHINESE ACAD OF SCI
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products