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公开(公告)号：US11940215B2
公开(公告)日：2024-03-26
申请号：US17040537
申请日：2019-03-25
发明人： Yusuke Kashihara , Yuki Okamoto , Natsuo Ishiwata
CPC分类号： F27B1/28 , B65G11/206 , C21B7/18 , F27B1/20 , F27D3/0024 , F27D3/0031 , F27D3/10 , G01S13/89 , B65G2201/045 , B65G2203/02 , B65G2203/042 , F27D2003/0075 , F27D2003/0089
摘要： Disclosed is a blast furnace apparatus includes: a rotating chute; a profile measurement device configured to measure surface profiles of a burden charged into the furnace; and a tilt angle controller configured to control a tilt angle of the chute, in which the device includes a radio wave distance meter installed on the furnace top and configured to measure the distance to the surface of the burden, derives the profiles on a basis of distance data for the entire furnace obtained by scanning a detection wave of the distance meter in the furnace in a circumferential direction, and includes at least one of arithmetic units configured to command during rotation, on a basis of the surface profiles obtained, the controller to change the tilt angle of the chute, or a controller to change a rotational speed of the chute or a feed speed of the burden fed to the chute.
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公开(公告)号：US11512899B2
公开(公告)日：2022-11-29
申请号：US17040977
申请日：2019-03-25
发明人： Yusuke Kashihara , Yuki Okamoto , Natsuo Ishiwata
IPC分类号： F27B1/26 , C21B5/00 , C21B7/16 , C21B7/20 , C21B7/24 , F27D3/10 , F27D3/18 , F27D21/02 , F27D19/00
摘要： Disclosed is a blast furnace apparatus includes: a rotating chute; a plurality of tuyeres; a profile measurement device configured to measure surface profiles of a burden charged into the blast furnace through the rotating chute; and a blowing amount controller configured to control a blowing amount of at least one of hot blast or pulverized coal in each of the plurality of tuyeres, in which the profile measurement device includes: a radio wave distance meter installed on the blast furnace top and configured to measure the distance to the surface of the burden charged; and an arithmetic unit configured to derive the surface profiles of the burden on a basis of distance data for the entire blast furnace related to distances to the surface of the burden obtained by scanning a detection wave of the radio wave distance meter in the blast furnace in a circumferential direction.
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