Huan Chang

Title: Huan Chang: Innovator in Steelmaking Technology

Introduction

Huan Chang is a notable inventor based in Beijing, China. He has made significant contributions to the field of steelmaking through his innovative methods. His work focuses on improving the efficiency and effectiveness of steel production processes.

Latest Patents

Huan Chang holds a patent for a method for controlling nitrogen in steelmaking by spraying hydrogen-containing plasma. This innovative application provides a technique for denitrification of molten steel by utilizing a mixture of hydrogen-rich gas and argon gas. The method involves generating hydrogen plasma during various stages of steel production, including arc furnace smelting, ladle refining, VOD refining, and RH refining. By spraying this mixture into molten steel through a hollow electrode and plasma torch, the method effectively removes nitrogen, reduces electrode consumption, and lowers electricity consumption per ton of steel. Additionally, it minimizes arc radiation heat loss and improves the heating rate, ultimately shortening smelting time and reducing production costs.

Career Highlights

Huan Chang has worked with prominent organizations, including Xuanhua Iron and Steel Group Co., Ltd. and the University of Science and Technology Beijing. His experience in these institutions has allowed him to apply his innovative ideas in practical settings, contributing to advancements in steelmaking technology.

Collaborations

Huan Chang has collaborated with notable colleagues such as Hongbin Wang and Guangsheng Wei. Their joint efforts have furthered research and development in the field of steel production.

Conclusion

Huan Chang's contributions to steelmaking technology through his innovative patent demonstrate his commitment to improving industrial processes. His work not only enhances efficiency but also reduces costs, making a significant impact on the steel industry.