Converter bottom blowing system capable of allowing multiple media to share bottom blowing lances and method for using same

US12123063B2 · kind B2 · utility

Assignees

• University of Science and Technology Beijing · CN
• Beijing Kemi Rongcheng Energy Technology Co., Ltd. · CN

Inventors

• Kai Dong · Shanghai, CN
• Xin Ren · 安丰镇, CN
• Rong ZHU · Beijing, CN
• Guangsheng WEI · Beijing, CN
• Chao Feng · San Jose, US
• Rongfang Su · Beijing, CN
• Shaoyan HU · Suzhou, CN
• Yun Zhou · West Lafayette, US
• Chunyang Wang · Hefei, CN
• Zhitao Xue · Beijing, CN
• Linghui Meng · Framingham, US

Key dates

• Filing date: Aug 30, 2023
• Grant date: Oct 22, 2024
• Expiry date: Aug 30, 2043

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P10/20
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A converter bottom blowing system comprises a first gas source connected in parallel with a lime powder silo, a lime powder blowing tank and a first injector, where a first cut-off valve is arranged between the lime powder blowing tank and the first injector; a second gas source connected in parallel with the biochar powder silo, the biochar powder blowing tank and the second injector, where a second cut-off valve is arranged between the biochar powder blowing tank and the second injector; a converter, where a plurality of bottom blowing lances are arrayed at a bottom of a converter, the bottom blowing lances are connected with the first injector and the second injector through a three-way valve, a third cut-off valve is arranged between the first injector and the three-way valve, and a fourth cut-off valve is arranged between the second injector and the three-way valve.