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1. 发明专利

JPH0586442B2 失效
公开(公告)号：JPH0586442B2
公开(公告)日：1993-12-13
申请号：JP186387
申请日：1987-01-09
申请人： NIPPON KOKAN KK
发明人： TAKEBE TAKASHI , YAMAOKA YOJIRO , OONO YOTARO
IPC分类号： C21B5/00

2. 发明专利

JPH0135054B2 失效
公开(公告)号：JPH0135054B2
公开(公告)日：1989-07-24
申请号：JP1346085
申请日：1985-01-29
申请人： NIPPON KOKAN KK
发明人： YAMAOKA YOJIRO , TAKEMOTO KATSUHIRO , FURUKAWA KAZUHIRO
IPC分类号： C22B1/20 , C22B1/16

3. 发明专利

JPS6318651B2 失效
公开(公告)号：JPS6318651B2
公开(公告)日：1988-04-19
申请号：JP2638083
申请日：1983-02-21
申请人： NIPPON KOKAN KK
发明人： YAMAOKA YOJIRO , NODA HIDETOSHI , TANAKA KUNIO , FURUKAWA KAZUHIRO , KITAJIMA KAZUTSUGU , NAGANO MASANORI
IPC分类号： C22B1/20 , C22B1/16

4. 发明专利

JPS62228404A METHOD FOR MEASURING FLOW RATE OF GAS IN BLAST FURNACE 失效
公开(公告)号：JPS62228404A
公开(公告)日：1987-10-07
申请号：JP7126186
申请日：1986-03-31
申请人： NIPPON KOKAN KK
发明人： TAKAHASHI IKUO , KIMURA RYOSUKE , YAMAOKA YOJIRO , TAKEBE TAKASHI
IPC分类号： C21B5/00 , C21B7/24 , G01P5/10
摘要： PURPOSE:To measure the instantaneous flow rate value of the gas in a blast furnace with good accuracy by measuring the gas temp. in the many positions spaced from each other at a slight section in the height direction of the lump zone in the furnace, calculating the temp. difference of the solid raw material therefrom to determine a heat flow ratio and measuring the flow rate of the gas from the heat flow ratio and raw material descending speed. CONSTITUTION:Gas temp. detecting points 1-4 consisting of 4 points of thermocouple spaced from each other at the slight spacing L of about 10cm are provided in the solid raw material layer in the blast furnace 30. The descending speed of the solid raw material 31 in the gas temp. detecting part is measured and the moving time of the raw material 31 is calculated from the distance L in the above-mentioned slight section. The temp. measurement data measured at the above-mentioned 4 points of the temp. detecting points is blocked at every interval of the calculated moving time and the temp. measurement data is averaged at every blocking section. The raw material temp. difference in the slight section is calculated from the value thereof and the heat flow ratio is calculated from the raw material temp. and temp. difference of the gas in said section. The flow rate of the gas in the blast furnace is then quickly calculated from the heat flow ratio obtd. in such a manner, the raw material descending speed and the specific heats of the gas and the raw material.

5. 发明专利

JPS5838495B2 失效
公开(公告)号：JPS5838495B2
公开(公告)日：1983-08-23
申请号：JP11471580
申请日：1980-08-22
申请人： NIPPON KOKAN KK
发明人： YAMAOKA YOJIRO , NAGANO MASANORI , OOZEKI SHOICHIRO , FURUKAWA KAZUHIRO , YANAKA HIDEOMI
IPC分类号： C22B1/16 , G01N33/24

6. 发明专利

JPH0345264B2 失效
公开(公告)号：JPH0345264B2
公开(公告)日：1991-07-10
申请号：JP12039585
申请日：1985-06-05
申请人： NIPPON KOKAN KK , ASAHI GARASU KK
发明人： YAMAOKA YOJIRO , KURIHARA TAIZO , AOBA HIDEKI , HOSHI NAOTADA , TSUCHIMOTO YOSHIHIRO , TAKESA KAZUHIKO
IPC分类号： F16K1/22

7. 发明专利

JPH0320628B2 失效
公开(公告)号：JPH0320628B2
公开(公告)日：1991-03-19
申请号：JP12039485
申请日：1985-06-05
申请人： NIPPON KOKAN KK , ASAHI GARASU KK
发明人： YAMAOKA YOJIRO , KURIHARA TAIZO , AOBA HIDEKI , HOSHI NAOTADA , TSUCHIMOTO YOSHIHIRO , TAKESA KAZUHIKO
IPC分类号： F16K1/22

8. 发明专利

JPH0135055B2 失效
公开(公告)号：JPH0135055B2
公开(公告)日：1989-07-24
申请号：JP1346185
申请日：1985-01-29
申请人： NIPPON KOKAN KK
发明人： YAMAOKA YOJIRO , TAKEMOTO KATSUHIRO , FURUKAWA KAZUHIRO
IPC分类号： C22B1/20 , C22B1/16

9. 发明专利

JPS6365730B2 失效
公开(公告)号：JPS6365730B2
公开(公告)日：1988-12-16
申请号：JP21871884
申请日：1984-10-19
申请人： NIPPON KOKAN KK , ASAHI GARASU KK
发明人： YAMAOKA YOJIRO , IINO BUNGO , IZUMI MASARO , TSUCHIMOTO YOSHIHIRO , TAKESA KAZUHIKO , FURUKAWA KAZUHIRO
IPC分类号： C21B5/00 , C21B7/14

10. 发明专利

JPS63166914A HIGH OXYGEN-RICH BLASTING BLAST FURNACE 失效
公开(公告)号：JPS63166914A
公开(公告)日：1988-07-11
申请号：JP30913686
申请日：1986-12-27
申请人： NIPPON KOKAN KK
发明人： TAKEBE TAKASHI , YAMAOKA YOJIRO , ONO YOTARO , MATSUURA MASAHIRO
IPC分类号： C21B7/00
摘要： PURPOSE:To enable drastic changes of oxygen-rich ratio and rapidly changing using ratio of fine powdered coal by functional use by arranging both hot blast tuyeres and oxygen tuyeres. CONSTITUTION:In a high oxygen-rich blasting blast furnace providing plural preheated gas blowing nozzle, plural hot blast tuyeres 2 for blasting the hot blast and plural oxygen tuyeres 3 for blowing oxygen, fine powdered coal and temp. adjusting agent in front of tuyeres are arranged on the furnace wall 1. For example, the different kinds of tuyeres 2, 3 are alternately set. By controlling gas quantity from two kinds of tuyeres 2, 3, the oxygen-rich ratio is changed. By this mechanism, changes in raw material blending, the variation of furnace condition, etc., can be rapidly coped with.

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