Location History:
- Colraine, MN (US) (2013)
- Coleraine, MN (US) (2015 - 2016)
Company Filing History:
Years Active: 2013-2016
Title: Innovations and Achievements of David W Hendrickson in DRI Processing
Introduction
David W Hendrickson, an esteemed inventor based in Coleraine, MN, has made significant contributions to the field of Direct Reduced Iron (DRI) processing. With a total of four patents to his name, he has focused on innovative methods that enhance efficiency and productivity in steel manufacturing. His work has garnered attention for its practicality and impact on the industry.
Latest Patents
Among his notable inventions, Hendrickson’s most recent patents include a method for reclaiming and inhibiting activation of DRI dust and fines. This method involves the formation of a moving stream or pile containing DRI pellets and fines, which are then coated with an alkane mixture in the C15 to C40 range. This coating process allows DRI fines to adhere together and to the pellets, forming agglomerates that can be efficiently utilized in steel production. The coating material, such as mineral oil, is applied at a rate of 0.2 to 2.0 gallons per ton of DRI processed.
Another remarkable patent addresses the creation of a processed DRI material with an average surface roughness (Ra) of less than 1.5 µm. The associated method and system feature a rotatable chamber equipped with an internal screen to support DRI during tumbling, ensuring the effective removal of fines. This innovative approach is pivotal for improving the quality of processed DRI material used in steelmaking.
Career Highlights
Hendrickson's career is marked by his tenure at Nu-Iron Technology, LLC, where he has played an essential role in advancing DRI processing techniques. His inventions not only contribute to the company's reputation but also aim to redefine standards within the steel industry.
Collaborations
Throughout his career, David has collaborated with talented individuals such as John Brandon and Les Hart. Together, they have combined their expertise to enhance the development and implementation of innovative DRI solutions, further underscoring the significance of teamwork in the field of industrial innovations.
Conclusion
David W Hendrickson exemplifies the spirit of innovation in the DRI processing industry. His patents demonstrate a profound understanding of material science and engineering, specifically within the context of steel production. As he continues to develop and implement groundbreaking technologies, Hendrickson's contributions will undoubtedly leave a lasting impact on the industry, paving the way for future advancements in DRI processing.