Sumito Ozawa

Title: Sumito Ozawa: Innovator in Blast Furnace Technology

Introduction

Sumito Ozawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of blast furnace technology, holding a total of 4 patents. His innovative approaches have enhanced the efficiency and effectiveness of blast furnace operations.

Latest Patents

Ozawa's latest patents include a method of operating a blast furnace and an auxiliary burner for electric furnaces. The method of operating a blast furnace involves generating regenerative methane gas using a blast furnace by-product gas. This method also includes blowing a blast gas and a reducing agent into the blast furnace from a tuyere, where the blast gas is oxygen gas. The regenerative methane gas is utilized as at least part of the reducing agent, and both the oxygen gas and the regenerative methane gas are preheated before being introduced into the blast furnace. The auxiliary burner for an electric furnace is designed to efficiently burn solid fuel, such as coal, alongside gas fuel. This burner features a structure where a solid fuel injection tube, a gas fuel injection tube, and a combustion-supporting gas injection tube are arranged coaxially.

Career Highlights

Throughout his career, Ozawa has worked with notable companies, including JFE Steel Corporation and Chugai Ro Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative technologies.

Collaborations

Ozawa has collaborated with esteemed colleagues, including Yoshihiro Miwa and Koichi Tsutsumi. These partnerships have contributed to the advancement of his research and inventions.

Conclusion

Sumito Ozawa's contributions to blast furnace technology demonstrate his commitment to innovation and efficiency. His patents reflect a deep understanding of the complexities involved in blast furnace operations, making him a key figure in this field.