thyssenkrupp Steel concludes successful hydrogen injection tests

thyssenkrupp Steel has successfully completed the first phase of hydrogen tests on Blast Furnace 9 in Duisburg, Germany, and can now transfer its technology for large-scale industrial use.

In an announcement released today (3rd Feb), the company said it has gained important findings in its recent assessments, enabling it to extend the trials to all tuyères in the next step.

A particular focus of the first test phase was on findings on plant technology with the use of hydrogen. With this in mind, injection of hydrogen was tested on one of the 28 tuyères of “Blast furnace 9” at the Duisburg site.

Based on continual data collection and analyses during the 24-hour tests, the team was able to gather information on the positioning of the hydrogen lance in the furnace, on flow and pressure conditions and on the interaction between elevated temperatures and plant technology.

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