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1. 发明专利

JPH06198235A TOOL FOR TREATING OUTER SURFACE OF WIRE ROPE 失效
公开(公告)号：JPH06198235A
公开(公告)日：1994-07-19
申请号：JP21231993
申请日：1993-08-04
申请人： HONSHU SHIKOKU RENKAKUKYO , NIPPON STEEL CORP , DAI ICHI HIGH FREQUENCY CO LTD
发明人： YAMAMOTO NORIO , FURUYA KAZUHIKO , SUGIYAMA TAKASHI , KANEDA KYOICHI , TSUCHIDA ISAMU , TANIGUCHI YASUYUKI , KISHIHARA SHIGEKI , KOBAYASHI RYOJI
IPC分类号： B05C1/06 , B05C17/00 , B08B1/04 , D07B7/00
摘要： PURPOSE:To provide a tool capable of easily applying fretting treatment to the entire outer surface of a wire rope having a large twist by a brush. CONSTITUTION:A rotatable holder 6 is attached to the outer periphery of a cartridge 5 holding a brush 4 having flocked bristles 3 inwardly arranged thereto in a circumferential state so that the tips thereof are brought into contact with the outer surface of a wire rope 2 to be treated so as to surround the rope 2. When the holder 6 is moved along the wire rope 2 by grasping a handle, the brush 4 engaged with the twist on the outer surface of the wire rope 2 spirally moves along the twist to certainly come into contact with the whole of the protruding and recessed parts of the outer surface of the wire rope 2 to perform the rust-removing or coating of the wire rope 2.

2. 发明专利

JPH08209210A MOVING TYPE GAS BLOWING DEVICE AND BLAST FURNACE OPERATION METHOD 失效
公开(公告)号：JPH08209210A
公开(公告)日：1996-08-13
申请号：JP3293695
申请日：1995-01-31
申请人： NIPPON STEEL CORP
发明人： SHINOTAKE AKIHIKO , SUGIYAMA TAKASHI
IPC分类号： C21B5/00 , C21B7/00 , C21B7/24
摘要： PURPOSE: To provide a device which prevents the degradation in air permeability and liquid permeability in the core part of a blast furnace or improves these properties when being degraded, and provide an proved operation method. CONSTITUTION: This device is constituted by mounting a pipe which is connected with a gas blowing device and is drivable forward and backward at a vehicle 1. The device improves the air permeability and the liquid permeability by pushing this pipe as a lance 2 into the furnace core part from a blast furnace tuyere. The contents of the blast furnace are sampled by the pipe 2 as a probe at the time of blowing off of the blast furnace and thereafter, this probe is replaced with a lance and the lance is selectively pushed into the tuyeres of a high powder rate, by which the air permeability and the liquid permeability are improved.

3. 发明专利

JPH06279820A OPERATION OF BLAST FURNACE 失效
公开(公告)号：JPH06279820A
公开(公告)日：1994-10-04
申请号：JP8697393
申请日：1993-03-23
申请人： NIPPON STEEL CORP
发明人： SUGIYAMA TAKASHI
IPC分类号： C21B5/00 , C21B7/24
摘要： PURPOSE:To reduce the holdup of fine powder in a blast furnace and carry out a stable operation by controlling grain diameter of the blowing powdery material based on pressure loss estimated value at the lower part of the furnace when the differential pressure between the pressure at the lower part of the furnace and blasting pressure exceeds a specific control limit value. CONSTITUTION:The pressure in the furnace and the blasting pressure measured at the pressure detecting end 2 arranged at the lower part of the blast furnace 1 and at the pressure detecting end 3 arranged at an annular tube 4 for blasting the blow for the powdery material into a tuyere 6 in the blast furnace are inputted into a differential pressure detecting device 10 to detect this differential pressure. When this differential pressure exceeds the control limit of >=0.5kg/cm , the pressure variation is instructed and also a spatial ratio epsilon and the holdup are computed from this differential pressure. Successively, by taking the effect of the holdup of powdery material into the pressure variation, the pressure loss at the lower part of the furnace is estimated and the optimum grain diameter of the powdery material is computed to control the grain diameter of the blowing powdery material into the furnace. At that time, the grain diameter of the powdery material is desirable to be controlled to

4. 发明专利

JPH0578718A METHOD FOR CONTROLLING SI CONCENTRATION IN MOLTEN IRON IN BLAST FURNACE 失效
公开(公告)号：JPH0578718A
公开(公告)日：1993-03-30
申请号：JP26856991
申请日：1991-09-20
申请人： NIPPON STEEL CORP
发明人： SUGIYAMA TAKASHI , MATSUZAKI SHINROKU
IPC分类号： C21B5/00
摘要： PURPOSE:To operate a blast furnace so as to further quickly and surely approach Si concn. in a molten iron to the aimed value by controlling SiO2 quantity charged into a blast furnace. CONSTITUTION:By adjusting coal supplying quantities in plural coal supplying machines 10, 11 at respective bunkers 8, 9, the distributing ratio of the coals discharged from each bunker is controlled according to the Si concn. in the molten iron in the blast furnace to adjust SiO2 quantity injected from a tuyere 3. By this method, gaseous SiO2 quantity generated in a combustion zone is controlled to control the Si concn. in the molten iron. Further, since the Si concn. in the molten iron discharged from an iron tapping hole 4 in the blast furnace 1 can be reduced, the consumption of fuel in the blast furnace 1 can be reduced. At the same time, since the unit consumption of lime stone in a steel-making process being the following process can be reduced, the reduction in the cost is attained.

5. 发明专利

JPH04350108A METHOD FOR CONTROLLING BLAST FURNACE 失效
公开(公告)号：JPH04350108A
公开(公告)日：1992-12-04
申请号：JP15087991
申请日：1991-05-28
申请人： NIPPON STEEL CORP
发明人： SUGIYAMA TAKASHI
IPC分类号： C21B5/00
摘要： PURPOSE:To operate a blast furnace under stable condition by fitting various kinds of measuring instruments and detecting terminals in the furnace, obtaining gas flow velocity distribution in the furnace based on the data obtd. from them, comparing it with the preset aimed gas flow velocity distribution and controlling the distribution of charging materials according to the difference. CONSTITUTION:A gas flow meter 1, gas pressure measuring terminal 2, gas concn. measuring terminal 3 and gas temp. measuring terminal 4 in a shaft sonde, are fitted so as to be capable of measuring around in the radius direction of the furnace. The obtd. data are transmitted to an arithmetic mechanisms 10, 12 and ventilating condition and reducing condition of the gas are estimated and the gas flow velocity distribution is calculated from this value. The difference to the preset gas flow velocity pattern is calculated and the distribution of charged material is predicted with charging material arithmetic mechanism 15. Thus, the following charging material is controlled according to charging material control mechanism 16.

6. 发明专利

JP2001329799A METHOD FOR CARRYING IN SEGMENT 失效
公开(公告)号：JP2001329799A
公开(公告)日：2001-11-30
申请号：JP2000148447
申请日：2000-05-19
申请人： NIPPON STEEL CORP , OKUMURA CORP
发明人： HASEGAWA HISASHI , OSHIMA TOSHIKAZU , SUGIYAMA TAKASHI , UEMATSU KATSUYUKI , ITO HIROMOTO
IPC分类号： E21D11/40 , E21F13/02
摘要： PROBLEM TO BE SOLVED: To provide a method for carrying in segments, allowing the segments to be carried into the shield machine side through a narrow space part at the side of a gas pipe in laying the gas pipe in a tunnel abreast with boring the tunnel, and allowing segment lining along with boring of the shield machine even during work of welding the gas pipes to each other. SOLUTION: A conveying truck with several segments loaded in a vertically placed state travels on a rail parallel with the gas pipe laid in the tunnel, to convey the segments to a segment storage place behind the shield machine, and the segments on the conveying truck are transferred onto a set-off truck behind the segment storage place. The segments on the set-off truck are then lifted by a lifting device travelable in the longitudinal direction, and loaded in the segment storage place. Since the conveying truck cannot travel during work of welding the gas pipes to each other, the segments stocked in the segment storage place are fed to the shield machine side and assembled along with boring the tunnel.

7. 发明专利

JPH07228905A OPERATION OF BLAST FURNACE 失效
公开(公告)号：JPH07228905A
公开(公告)日：1995-08-29
申请号：JP4176394
申请日：1994-02-17
申请人： NIPPON STEEL CORP
发明人： SUGIYAMA TAKASHI
IPC分类号： C21B5/00 , C21B5/02
摘要： PURPOSE:To reuse plastic waste by mixing the plastic waste pulverized into powder state with pulverized coal and blowing this mixed material from a tuyere of a blast furnace. CONSTITUTION:The plastic waste is received into a hopper 5 and dried. The dried plastic waste is pulverized with a pulverizing system 6 and screened with a screening system 7 and the one having the prescribed grain size or larger is again pulverized. The plastic powder is stored into a supplying hopper 8. The pulverized coal from a hopper 9 for pulverized coal and the plastic powder from this supplying hopper 8, are supplied and fed into a distributor 13 with the carrying air 12 and blow into the blast furnace through a tuyere 2 from a nozzle 3 arranged in a blast branched pipe 4 of the blast furnace through a carrying piping 14. The plastic powder is converted as the reduction gas at >=2000oC high temp. in the blast furnace and risen. Mixed glass is melted and shifted into slag and metals is oxidized and shifted into the slag.

8. 发明专利

JPH05311219A 失效
公开(公告)号：JPH05311219A
公开(公告)日：1993-11-22
申请号：JP14367192
申请日：1992-05-11
申请人： NIPPON STEEL CORP
发明人： SUGIYAMA TAKASHI , MATSUZAKI SHINROKU
IPC分类号： C21B5/00 , C21B7/14 , F27D3/14
摘要： PURPOSE:To smoothly execute molten material flow and to stably operate a blast furnace by removing powdery material in the furnace core in the blast furnace to make the furnace core active in comparatively early time. CONSTITUTION:Pipe 3, 4 are inserted into the blast furnace from an iron tapping hole 2, and by controlling an inserting depth and the position of discharging molten iron in the radius direction is changed. By this method, the flowing path of the molten material in the furnace core is changed and the powdery and unmelting material are removed and the furnace core is activated.

9. 发明专利

JPH05237364A 失效
公开(公告)号：JPH05237364A
公开(公告)日：1993-09-17
申请号：JP29459891
申请日：1991-11-11
申请人： NIPPON STEEL CORP
发明人： SHIMOMURA HAJIME , MATSUZAKI SHINROKU , SUGIYAMA TAKASHI , NAGAO SHOZO
IPC分类号： B01J4/02 , B01J8/00
摘要： PURPOSE:To quantitatively discharge the sample of granule by injecting compressed air to granular substance on a table which is cut out and transferred by rotation of the table, allowing the granular substance to fall from the table and discharging the same. CONSTITUTION:Granule is quantitatively discharged by using a bottom face rotary type table feeder wherein granular substance in a storage tank or a hopper 1 is cut out on the table by rotating the bottom face table. In this case, compressed air is injected to granular substance on the table 2 which is cut out and transferred by rotation of the table 2. The granular substance is allowed to fall and discharged. Especially compressed air is injected at a prescribed angle to the surface of the table 2 and simultaneously at a prescribed angle to the tangential direction of the table 2. The air flow is injected in the direction opposed to the direction of rotation of the table 2 and injected in such the direction that the air flow does not directly touches a cut-out port 5 and the granular substance just after being cut out on the table 2 while keeping injected air quantity. As a result, trouble for stopping rotation of the table is prevented.

10. 发明专利

JPS6277410A OPERATING METHOD FOR BLAST FURNACE 失效
公开(公告)号：JPS6277410A
公开(公告)日：1987-04-09
申请号：JP21580385
申请日：1985-09-28
申请人： NIPPON STEEL CORP
发明人： SUGIYAMA TAKASHI , SUGATA MASAYASU , SUZUKI NOBUKUNI
IPC分类号： C21B5/00 , C21B7/24
摘要： PURPOSE:To stabilize a blast furnace operation by measuring the pressure drop in the furnace, predicting an inert state in the lower part of the furnace and changing the reduction degradation index of raw material in accordance therewith. CONSTITUTION:The theoretical value of the pressure distribution is determined by calculation and is inputted to a setter 12 for the theoretical value of the pressure distribution while the blast furnace 1 is operated at the degradation rate below the tolerance. The pressures in the furnace are measured by pressure detectors 6-10 installed to a furnace top 4 and furnace wall 5 and are inputted to a pressure distribution measuring mechanism 11, by which the pressure distribution is determined. The difference between the actually measured pressure distribution value outputted from the pressure distribution measuring mechanism 11 and the calculated pressure distribution value is detected by a deviation detecting mechanism 13. The reduction degradation index of the raw material in a setter 14 for the reduction degradation index is changed to reset the blast furnace operation to the normal state when the difference between both exceeds the reference value. The charge descending in the blast furnace is stabilized and the gas flow is smoothed by such operating method.

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