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1. 发明专利

JPH03199364A SHEET TEMPERATURE CONTROL METHOD FOR ALLOYING FURNACE 失效
公开(公告)号：JPH03199364A
公开(公告)日：1991-08-30
申请号：JP33818889
申请日：1989-12-28
申请人： MITSUBISHI HEAVY IND LTD , KAWASAKI STEEL CO
发明人： TAUCHI KUNIAKI , SHIGEMOTO HARUMI , IKENAGA YUJI , IDE RYOICHI
IPC分类号： C23C2/28
摘要： PURPOSE:To lessen the change in sheet temp. and to improve the yield by adding the fresh gaseous fuel computed in correspondence to a change in sheet thickness, sheet speed, etc., at the time of controlling the heating temp. of the steel sheet by the flow rate of the gaseous fuel of a direct fire type burner. CONSTITUTION:The steel sheet is immersed into a hot dip plating bath and is then pulled up. The heating temp. of the steel sheet is controlled by regulating the flow rate of the gaseous fuel of the direct fire type burner of the alloying furnace. If the sheet thickness, sheet speed, target value of the sheet temp. and/or the target value of a plating deposition change, the fresh fuel gas is supplied at the flow rate computed by using equation (where, F: the additional flow rate of the fresh gaseous fuel, D: the change rate of the sheet thickness, Tss: the change rate of the target value of the sheet temp., Qds: the change rate of the target value of the plating deposition, V: the change rate of the sheet speed, C1 to C4: the constant) according to the above-mentioned change rates.

2. 发明专利

JPH1060692A METHOD FOR CONTROLLING PLATING LIQUID BATH VOLUME OF CONTINUOUS ELECTROPLATING EQUIPMENT 失效
公开(公告)号：JPH1060692A
公开(公告)日：1998-03-03
申请号：JP21960196
申请日：1996-08-21
申请人： KAWASAKI STEEL CO
发明人： IKENAGA YUJI
IPC分类号： C25D21/14
摘要： PROBLEM TO BE SOLVED: To control the total bath volume of a plating liquid with the least possible loss of the plating liquid and with high accuracy. SOLUTION: Liquid discharge equipment 18 to be used when the plating liquid is made excessive by the deficiency of the water evaporation capacity of an evaporator 16 and a mixing device 20 which replenishes the plating liquid with water when the plating liquid decreases are arranged in the continuous electroplating equipment. At least one of three operation terminals consisting of the evaporator, the liquid discharge equipment and pure water supplying equipment is determined and operated in such a manner the total bath volume of the plating liquid is maintained at the target value of the bath volume with the least possible loss of the plating liquid by using at least one element of ZFF, ZFB and ΔV from the predicted controlled variable ZFF which is the total sum of the inflow rate of the water obtd. by measuring the volume of the water flowing into the plating equipment from the outside of the system, the deviation ΔV between the measured value of the total bath volume over the entire part of the plating equipment and the predetermined target value of the bath volume and the feedback controlled variable ZFB determined in accordance with the deviation ΔV.

3. 发明专利

JP2001234251A METHOD FOR CONTROLLING TEMPERATURE IN THICKNESS DIRECTION OF CONTINUOUS STRIP 失效
公开(公告)号：JP2001234251A
公开(公告)日：2001-08-28
申请号：JP2000050673
申请日：2000-02-28
申请人： KAWASAKI STEEL CO
发明人： HORI TAKAYUKI , IKENAGA YUJI
IPC分类号： C21D1/26 , C21D9/56
摘要： PROBLEM TO BE SOLVED: To stabilize the plating quality by unifying the temperature in the width direction of a plate at terminal ends even in an increasing-width case where the plate width of a succeeding coil is larger than the plate coil of a preceding coil. SOLUTION: At least a part of a cooling facility of a cooling zone 30 is adjustable in temperature in the plate width direction, and in the increasing- width case, the cooling facility of the cooling zone 30 is controlled so that the temperature at an end of the strip on the outlet side of the cooling zone 30 is higher than that of a center taking into consideration the cooling of the end of the succeeding coil 10B due to the heat transfer to an end of a roll 20 not in contact with the preceding coil 10A.

4. 发明专利

JPH11181592A METHOD FOR CONTROLLING POSITION OF EDGE MASK IN ELECTROPLATING 失效
公开(公告)号：JPH11181592A
公开(公告)日：1999-07-06
申请号：JP34940797
申请日：1997-12-18
申请人： KAWASAKI STEEL CO
发明人： IKENAGA YUJI
IPC分类号： G01B21/00 , C25D7/06 , G05D3/00
摘要： PROBLEM TO BE SOLVED: To automatically detect the interference between an edge mask and a steel sheet in the control of the position of an edge mask which allows an edge mask to fllow upon the change of the position of the edge of an electroplated steel sheet. SOLUTION: The peak value of the load of a driving source 23 allowing an edge mask 21 to follow in accordance with the movement of the edge part in the width direction of a steel sheet 10 is detected, based on the detected value and the signal from an edge mask position controller 26, the interference between the edge mask 21 and the steel sheet 10 is detected, and the detected information is fed back to the edge mask position controller 26.

5. 发明专利

JPH0913199A ELECTROPLATING EQUIPMENT 失效
公开(公告)号：JPH0913199A
公开(公告)日：1997-01-14
申请号：JP16523095
申请日：1995-06-30
申请人： KAWASAKI STEEL CO
发明人： OHARA KENICHI , IKENAGA YUJI , IMAMURA MASATO , KAMETANI TAKEFUMI , SAKAI NAOKI , KATOU JIYUNYA
IPC分类号： C25D21/02
摘要： PURPOSE: To provide an electroplating equipment not causing the drastic change in layout or increase in cost even when applied to an existing electroplating equipment in the technique to enhance the energy efficiency of an electroplating equipment and whereby the temp. of a plating soln. is precisely controlled. CONSTITUTION: A heat exchanger 6 is provided to a plating soln. feed pipeline 4 between an electroplating tank 1 and a circulating tank 3, and an upstream pipline 4a and a downstream pipeline 4b are connected to the high-temp. liq. side. The upstream pipeline 4a and the downstream pipeline 4b are communicated with a bypass pipeline 4c, and a flow control valve 41 is furnished in the middle of the bypass pipeline 4c. The flow control valve 41 is connected to the electrode 11 of the tank 1 through a controller 22. The water feed pipes 10a and 10b between the washing water storage tank 7 for a washing tank 2 and a pure water feeder 9 are connected to the low-temp. liq. side of the heat exchanger 6. The amt. of plating soln. to be heat-exchanged in accordance with a current strength I is controlled by the controller 22.

6. 发明专利

JPH07238385A METHOD FOR CONTROLLING CONCENTRATION OF CHEMICAL CHROMATING SOLUTION 失效
公开(公告)号：JPH07238385A
公开(公告)日：1995-09-12
申请号：JP2920494
申请日：1994-02-28
申请人： KAWASAKI STEEL CO
发明人： IKENAGA YUJI
IPC分类号： C23C22/24 , C23C22/73
摘要： PURPOSE:To keep the concn. of a chromating soln. within control limits without any manual operation by learning the reaction consumption of chromium per unit area of a steel strip from the feedback-controlled chemical supply and automatically tuning the control gain. CONSTITUTION:The number of spray zones is changed in accordance with a line speed to fix the treating time in the device for chromatmng a steel strip. When the concns. of Cr(III) (Cr ) and free acid (FA) are controlled, the reaction consumption per unit area of the strip is learned from the width of the strip, the number of spray zones and the chemical supply, the amt. of chromium (Cr ) to be replenished and the supply of a pH regulator are determined from the result, and the concn. of the chromating soln. is controlled. Further, the reaction consumption should be accurately learned when the feedback control level and concn. are within control limits.

7. 发明专利

JPH03199365A SHEET TEMPERATURE CONTROL METHOD FOR ALLOYING FURNACE 失效
公开(公告)号：JPH03199365A
公开(公告)日：1991-08-30
申请号：JP33818989
申请日：1989-12-28
申请人： MITSUBISHI HEAVY IND LTD , KAWASAKI STEEL CORP
发明人： TAUCHI KUNIAKI , SHIGEMOTO HARUMI , IKENAGA YUJI , IDE RYOICHI
IPC分类号： C23C2/28
摘要： PURPOSE:To rapidly follow up a change in operating conditions and to obtain a stable prescribed sheet temp. by determining a fresh set value of the furnace temp. by using a sheet temp. characteristic model with the alloying furnace for heating a steel sheet by combination use of induction and direct fire heating systems. CONSTITUTION:The steel sheet 20 is immersed into a hot dip plating bath 22 and is passed through a wiping nozzle section 23; thereafter, supply electric power is controlled in a 1st heating zone 1 of an induction heating system 3 to attain a set value. The furnace temp. is controlled to control the steel sheet temp. until the set value is attained in a 2nd heating zone 2. The fresh set value of the furnace temp. of the 2nd heating zone 2 is determined from the operating conditions, such as sheet thickness, sheet width and line speed, and the pressure of the wiping nozzles 23 by using the sheet temp. characteristic model in the 2nd heating zone 2 at the time when the above-mentioned operating conditions change. The set value is updated by using the sheet temp. characteristic model in the 1st and 2nd heating zones 1, 2.

8. 发明专利

JP2001278516A STEEL STRIP PASSING METHOD IN CONTINUOUS LINE 失效
公开(公告)号：JP2001278516A
公开(公告)日：2001-10-10
申请号：JP2000091247
申请日：2000-03-29
申请人： KAWASAKI STEEL CO
发明人： TAJIMA TOSHIAKI , IKENAGA YUJI
IPC分类号： B65H23/02 , B05D3/00 , B05D7/14 , C25D7/06
摘要： PROBLEM TO BE SOLVED: To provide a steel strip passing method capable of increasing 7 roll life by preventing a roll from being worn locally and capable of preventing a steel strip from being broken by the reciprocating movement of a steering roll into lateral direction. SOLUTION: A steel strip is synchronized by a plurality of steering rolls and passed while being reciprocatingly moved in the lateral direction.

9. 发明专利

JP2001011695A METHOD AND DEVICE FOR REMOVAL OF IMPURITY GENERATED AT THE TIME OF DISSOLVING METAL 失效
公开(公告)号：JP2001011695A
公开(公告)日：2001-01-16
申请号：JP18480399
申请日：1999-06-30
申请人： KAWASAKI STEEL CO
发明人： TAJIMA TOSHIAKI , IKENAGA YUJI
IPC分类号： C25D21/14 , C25D21/18
摘要： PROBLEM TO BE SOLVED: To discharge impurities, which are accumulated in a solution during the component adjustment process for adjusting components of liquid by dissolving metallic substances, to the outside of a system. SOLUTION: The liquid is extracted from a dissolver 105 in the component adjustment process for adjusting the components of the liquid by dissolving fine metallic nickel, the solution is filtered at an original liquid inlet pressure of 4.9×104 to 1.6×105 Pa by using a carbon filter 8 of a system making carbon adsorbed on plastic fibers, is returned to the dissolver and carbon is discharged by pure water to the outside of the system from an impurity discharging path 14.

10. 发明专利

JP2000275158A AUTOMATIC VISCOSITY-MEASURING DEVICE AND METHOD AND CONTINUOUS COATING FACILITY 失效
公开(公告)号：JP2000275158A
公开(公告)日：2000-10-06
申请号：JP8504299
申请日：1999-03-29
申请人： KAWASAKI STEEL CO
发明人： TANOGUCHI ICHIRO , IMAMURA MASATO , IKENAGA YUJI
IPC分类号： B05C11/00 , G01N11/06
摘要： PROBLEM TO BE SOLVED: To provide a device and method for measuring viscosity automatically that can be configured inexpensively and can automatically measure the viscosity of application liquid without casing the application liquid in a circulation system to stagnate, and a continuous coating facility for controlling viscosity automatically with the automatic viscosity-measuring device. SOLUTION: An automatic viscosity-measuring device is provided with a container 1 with specific dimensions having an opening 1A at an upper part and a hole 1B at a bottom part; a liquid-feeding pipe 2 that has an automatic opening/closing valve 2A, and can intermittently supply liquid to the opening by opening/closing the valve 2A; a light-transmission/reception-type sensor 3 with a detection region (light axis LX) immediately below the hole, a trestle 4 for fixing and supporting the container, guiding flow-down liquid L1 from the hole into the detection region, and guiding overflow-flow liquid L2 from the opening to the outside of the detection region; and a timer 6 for counting time when the automatic opening/closing valve is closed to the time when the sensor is emitted.

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