公开(公告)号：US20240327937A1

公开(公告)日：2024-10-03

申请号：US18701877

申请日：2022-10-18

Applicant: CALIX LTD

Inventor： Mark SCEATS ,  Andrew ADIPURI ,  Matthew BOOT-HANDFORD ,  Matthew GILL ,  Thomas DUFTY ,  Adam VINCENT

IPC: C21B13/02 ,  C21B13/00

CPC classification number: C21B13/026 ,  C21B13/0033 ,  C21B13/0073 ,  C21B2100/22 ,  C21B2100/44

Abstract: An externally heated vertical reactor for reduction of iron ore, the reactor including: (a) a reactor tube positioned vertically adjacent to a furnace; (b) an external furnace positioned vertically adjacent at least one wall of the reactor tube to provide heat to be conducted through the at least one wall; (c) an input port at a base of the reactor tube, wherein the reducing gases are heated and injected into the input port such that the reducing gases rise upward through the reactor tube; (d) a gas exhaust positioned adjacent a top surface of the reactor; (e) a gas filter positioned adjacent an entrance to the gas exhaust; and (f) a bed positioned at the base of the reactor tube, wherein the reduced iron powder product is collected in the bed at the base of the reactor tube.