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Frontiers of Engineering Management

ISSN 2095-7513

ISSN 2096-0255(Online)

CN 10-1205/N

Postal Subscription Code 80-905

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Front. Eng    2016, Vol. 3 Issue (2) : 165-170    https://doi.org/10.15302/J-FEM-2016023
ENGINEERING MANAGEMENT REPORTS
The Application and the Prospect of Remanufacturing Technologies in the Metallurgical Industry
Jie Xiong(),Jian-cheng Fan,Jv Yuan
Equipment Department of Baoshan Iron & Steel Co. Ltd., Shanghai, 201900, China
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Abstract

Metallurgical equipment is subjected to severe working conditions and the components suffer from various types of physical damages such as abrasion, corrosion and crack. Advanced surface engineering technologies and resistant coatings on the damaged surface can improve surface properties, extend service lives, reduce maintenance costs and improve product quality in the metallurgical industry. This paper introduces remanufacturing technologies, including electroplating, overlaying welding, thermal spraying and laser surface cladding and their applications in the metallurgical industry, and analyzes the development tendency and prospect of remanufacturing technologies.
Keywords remanufacturing technology      electroplating      overlaying welding      thermal spraying      laser surface cladding     
Corresponding Author(s): Jie Xiong   
Online First Date: 13 September 2016    Issue Date: 22 September 2016
 Cite this article:   
Jie Xiong,Jian-cheng Fan,Jv Yuan. The Application and the Prospect of Remanufacturing Technologies in the Metallurgical Industry[J]. Front. Eng, 2016, 3(2): 165-170.
 URL:  
https://academic.hep.com.cn/fem/EN/10.15302/J-FEM-2016023
https://academic.hep.com.cn/fem/EN/Y2016/V3/I2/165
Machine set Equipment name Service lives(without chrome plating) Service lives(with chrome plating)
Pickling line Pinch roller 3 months 6 months
Turning roller 3 months 6 months
Cold rolling mill Turning roller 2 months 24 months
Tinning line Tension roller 3–6 months 12–24 months
Furnace roller 20 months 30 months
Hot-dipped galvanizing line Turning roller 6 months 24 months
Tab.1  The Comparison of Service Lives between the Rollers with and without Chrome Plating
Fig.1  Service life and surface treatment of continue casting mold. (Hou, Ren, Gao, & Wang, 2012)
Fig.2  The spiral conveyor blade and the turning plate coating of DRI stock distributor blade.
Machine set Equipment name Service life(without chrome plating) Service life(with thermal spraying)
Cold rolling mill Measuring tension roller 2–3 months 12–18 months
Pickling line Scale breaking roller 1 month 3–6 months
Working roller of tension leveller 0.5 month(surface quenching) 3–4 months
Leveling roller of tension leveller 1 month 6–8 months
Hot-dipped galvanizing line Tension roller 12 months 15 months
Tab.2  The Comparison of Service Lives between the Rollers with and without Chrome Coatings
Fig.3  The comparison of protecting effect with and without coating on furnace roller in heat treatment line for heavy plate (after service 12 months).
Fig.4  The comparison of protecting effect whether it has the coating on TRT impeller.
Fig.5  On-site laser cladding repair of rolling-mill housing.
Fig.6  Laser cladding repair of large air compressor impeller.
1 Chen, X., Fan, J., & Yuan, J. (2009). Application and prospect of surface technology in Baoshan iron and steel plant. Metallurgical Equipment, Special Issue, 92–93.
2 Chen, X., Fu, W., & Yuan, J. (2009). Research on laser cladding of mill housing. Surface Engineering, 38, 87–89.
3 Hou, F., Ren, Q., Gao, J., & Wang, Q. (2012). Research and application of remanufacturing technology in continuous casting core equipments. 7th China International Steel Congress.
4 Hu, C. (1994). Thermal spraying principles and application. Science and Technology of China Press, 3.
5 Liu, Z., & Fan, J. (2007). Analysis and repair measures of crack of centrifugal compressor. Compressor Blower & Fan Technology, 5, 34–39.
6 Xu, B. (2010). The situation and frontier of remanufacturing. Transactions of Materials and Heat Treatment, 31, 10–14.
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