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|1. (WO2018139061) PRESSURIZATION TYPE STEAM-AGING DEVICE|
|Applicants:||NIPPON STEEL & SUMITOMO METAL CORPORATION
|Title:||PRESSURIZATION TYPE STEAM-AGING DEVICE|
A device for performing pressurization type steam-aging on steel slag, b which steel slag is aged using pressurized steam, wherein said pressurization type steam-aging device comprises a slag accommodation vessel, a pressure vessel, first piping, and second piping. The second piping comprises a main pipe part and a branch pipe part having jet orifices formed in the side surface thereof. Taking H (mm) to be the dimension in the height direction of an accommodation region of the slag accommodation vessel, the jet orifices are disposed in a height direction region of 0.3 × H to 0.6 × H in the accommodation region.