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1. 发明专利

JPS6334419A METHOD OF CONTROLLING COMBUSTION OF SUCTION TYPE RADIANT TUBE BURNER 失效
公开(公告)号：JPS6334419A
公开(公告)日：1988-02-15
申请号：JP17944586
申请日：1986-07-30
申请人： NIPPON STEEL CORP , NITTETSU PLANT DESIGNING CORP
发明人： IOHARA NOBORU , KAMIYAMA MASAAKI
IPC分类号： F23N5/02 , F23D14/12 , F23N1/02 , F23N3/00
摘要： PURPOSE:To eliminate the variation in the air-fuel ratio caused by the change in the preheating temperature of combustion air by calculating the ejector air flow rate necessary in accordance with the temperature detected value of combustion air of the title burner. CONSTITUTION:In a method of controlling the combustion of a suction type radiant tube burner 2 used for heating a material to be processed in a heat processing furnace, the temperature of combustion air on the inlet side of the burner is detected by a temperature meter 20. A control operating apparatus 21 calculates an ejector air flow rate from a relation formula of a ratio between a predetermined combustion air and air (ejector air flow rate/fuel flow rate) from the detected temperature. Based on this calculated value, the ejector air flow rate is controlled. As a result, it is possible to eliminate the variation in the fuel-air ratio caused by the variation in the preheating temperature of combustion air.

2. 发明专利

JPH0255902A MEASURING METHOD FOR DEPTH OF MINUTE GROOVE ON STEEL SHEET 失效
公开(公告)号：JPH0255902A
公开(公告)日：1990-02-26
申请号：JP20787488
申请日：1988-08-22
申请人： NIPPON STEEL CORP
发明人： NAKAMURA ETSUHISA , NAGANUMA YOICHI , MATSUOKA YOSHIAKI , IOHARA NOBORU
IPC分类号： G01B7/26 , G01B7/00 , G01N27/83
摘要： PURPOSE:To accurately measure the depth of a minute groove existing on a material to be measured by correcting the effect of a variation of the gap amount between a magnetosensitive element and the material to be measured or the effect of a size of the groove width. CONSTITUTION:When the material to be measured is magnetized by a magnetizer 2, a magnetism is made to leak from the discontinued part blocking the magnetic flux, e.g. from the part where the minute groove etc., are existent if any. This leaked magnetism is detected by the magnetosensitive element 3 and amplified by a signal processing circuit 6. In an arithmetically processing device 5 for the signal, a signal voltage on a reference gap amount is calculated from the signal voltage, gap amount, signal voltage characteristic value which is obtained from the relation of groove width/depth against the gap amount shown in a figure 3, and groove width value measured separately. Next, from the signal voltage V1 obtained by this process and the relation of the groove depth against the signal voltage characteristic value with a parameter of the groove width in a figure 2, the groove depth d1 is immediately obtained from the figure 2, as the signal voltage obtained by a process to calculate the groove depth is V1 and the groove width is W1. The accurate groove depth which the gap amount for the groove width is corrected, is expressed by the value obtained from these arithmetic process.

3. 发明专利

JPS605823A CONTROLLING METHOD OF DIRECT HEAT TREATING INSTALLATION FOR STEEL WIRE ROD 失效
公开(公告)号：JPS605823A
公开(公告)日：1985-01-12
申请号：JP11192683
申请日：1983-06-23
申请人： MITSUBISHI HEAVY IND LTD , NIPPON STEEL CORP
发明人： TAUCHI KUNIAKI , HAYAMA YASUNOBU , TAKASAKI MUNEAKI , HANASAKI MIKI , SAKAMOTO KENICHI , IOHARA NOBORU
IPC分类号： C21D9/52 , C21D1/64 , C21D9/573 , C21D11/00
摘要： PURPOSE:To control adequately the temp. of a refrigerant even if conveyance of a steel wire rod is interrupted for short time when an operating condition is changed in a method for controlling an installation which subjects the steel wire rod after hot rolling to a direct heat exchange by specifying the control when the conveyance of the steel wire rod is interrupted and resumed. CONSTITUTION:A steel wire rod 1 in a looped state is immersed in a refrigerant, for example, molten salt 3, in a cooling vessel 2 and is thus cooled. The refrigerant 3 heated by the wire rod is circulated between the vessel 2 and a heat exchanger 5 by a pump 4 so as to be subjected to a heat exchange with cooling water 6, by which the refrigerant is cooled. When the final end of a preceding material 1 passes through the vessel 2 owing to a change in an operating condition such as a change in a wire diameter, a calculator 14 applies the target value T2 of the refrigerant temp. in the vessel 2 calculated from the input data for the operating condition of the succeeding material to a temp. control device 7 by which a flow rate adjusting system is controlled until the temperature detected with a detector 8 attains T2. The quantity of the heat extraction is thus decreased as far as possible while the supply of the water to the heat exchanger and the circulation of the refrigerant are continued. When the front end of the succeeding material passes through the vessel 2 and the temp. detected with the thermometer 13 rises to the permissiblemin. temp. or above, the refrigerant temp. T21 on the inlet side of the vessel 2 for the succeeding material calculated by the calculator 14 is applied to the device 7.

4. 发明专利

JPS59118891A Device for controlling washing of steel wire rod 失效
标题翻译：用于控制钢丝绳清洗的装置
公开(公告)号：JPS59118891A
公开(公告)日：1984-07-09
申请号：JP22655282
申请日：1982-12-27
申请人： Mitsubishi Heavy Ind Ltd , Nippon Steel Corp
发明人： TAUCHI KUNIAKI , YANAGI KENICHI , ABE MITSUHIRO , HANASAKI MIKI , SADANO YUTAKA , IKUNO ITSUO , ITOU KATSUTO , IOHARA NOBORU
IPC分类号： C23G3/02 , G05D21/00
摘要： PURPOSE: To maintain the residual amt. of the refrigerant to be adhered on a steel wire rod and to enable feedback control by constituting a cascade control system for the concn. of a molten salt which is a refrigerant and the flow rate of washing water thereby controlling the washing of the steel wire rod.
CONSTITUTION: The concn. of a molten salt which is a refrigerant in a washing water tank 6 is detected with a concn. detector 11 dipped in the molten salt, and the detection signal thereof is inputted to a density controller 12. The controller 12 compares the concn. balance value corresponding to the permissible value of the residual amt. of the refrigerant to be stuck on the steel wire rod and the detected value and feeds the output signal corresponding to the difference, i.e., the concn. to be controlled to a flow rate controller 9 for washing water. The control 9 controls a control valve 10 of a washing water course 3 upon receiving the output signal and upon receiving the flow rate signal for the washing water detected with a flow rate detector 8 disposed in the course 3.
COPYRIGHT: (C)1984,JPO&Japio
摘要翻译：目的：维持残余量。的制冷剂被粘附在钢丝杆上，并且通过构成用于该钢丝绳的级联控制系统来实现反馈控制。作为制冷剂的熔融盐和洗涤水的流量，由此控制钢丝线的洗涤。构成：检测作为洗涤水箱6内的制冷剂的熔融盐。检测器11浸入熔盐中，其检测信号被输入到浓度控制器12中。余额值对应于残差的允许值。的被粘附在钢丝线上的制冷剂和检测值，并且将与该差异相对应的输出信号，即，被控制到用于洗涤水的流量控制器9。控制器9在接收到输出信号时接收洗涤水道3的控制阀10，并且接收到用设置在路线3中的流量检测器8检测出的洗涤水的流量信号。

5. 发明专利

JPS62180232A TEMPERATURE MEASURING METHOD FOR TUBULAR BODY 失效
公开(公告)号：JPS62180232A
公开(公告)日：1987-08-07
申请号：JP2262686
申请日：1986-02-04
申请人： NIPPON STEEL CORP
发明人： IOHARA NOBORU
IPC分类号： G01J5/00 , G01J5/02 , G01J5/10
摘要： PURPOSE:To measure internal temperature accurately over the entire length of a steel tube in a furnace by making a scan on the internal surface of the steel tube in the furnace and measuring the temperature by a scanning type radiation thermometer to its overall lengthwise length, and obtaining the lengthwise temperature distribution of the tube from measured values of temperature. CONSTITUTION:The radiation thermometer 10 is so installed as to scan the internal surface from the close tube end 1a of the steel tube 1 to the distant tube end 1b through an observation hole 4 made in the wall of the furnace 5. Then, a nonreflective, nonradiative member 19 is provided on the wall of the furnace 5 on the opposite side from the distant tube end 1b of the steel tube 1 to prevent radiant energy from inside the furnace 5 from reaching the thermometer 10 through the inside of the steel tube 1 from the distant tube end 1b of the steel tube 1. Thus, the thermometer 10 makes a scan between a nearly horizontal direction and a direction indicating the close tube end 1a of the steel tube 1. When the scanning position reaches the internal surface of the tube end 1b, an abrupt change point of incident energy to the thermometer 10 is detected by a tube end detecting circuit 17 to find the position of the tube end 1a of the steel tube 1 from the change point. This position is regarded as a reference position to obtain the lengthwise temperature measurement point of the tube and its temperature distribution.

6. 发明专利

JPS636428A MEASURING METHOD FOR SURFACE TEMPERATURE OF BODY 失效
公开(公告)号：JPS636428A
公开(公告)日：1988-01-12
申请号：JP15103986
申请日：1986-06-27
申请人： NIPPON STEEL CORP
发明人： NAKAZONO ATSUSHI , IOHARA NOBORU , TSUTSUI KIYOMI , FUJIWARA YASUHIKO , KOMORI TERUHISA
IPC分类号： G01J5/00
摘要： PURPOSE:To measure temperature with high accuracy by considering both regularly reflected radiation and diffuse reflected radiation and finding the reflected radiation energy in plural diffusion directions as to the diffuse reflection. CONSTITUTION:Light from a light generator 1 is guided to a light source 2 and projected upon the surface of a steel plate P at an angle theta. The quantity A of its regular reflection is detected by a light quantity detector 3. Further, the quantities S1, S2, and S3 of diffuse reflection in plural directions are guided to a computing element 7 through plural light quantity detectors 4, 5, and 6 arranged on a spherical surface having its center at the irradiation point of the steel plate P, thereby finding a regular reflection factor (a) and diffuse reflection factors S1, S2, and S3. A radiometer 8, on the other hand, measures radiation energy E in the direction of the steel plate P and a temperature measuring instrument 9 in the conjugation direction of the radiometer 8 and temperature measuring instruments 10, 11, and 12 in plural directions measure respective environmental temperatures Tr, T1, T2, and T3, from which the surface temperature of the steel plate P is found.

7. 发明专利

JPS62180231A TEMPERATURE MEASURING METHOD FOR TUBULAR BODY 失效
公开(公告)号：JPS62180231A
公开(公告)日：1987-08-07
申请号：JP2262586
申请日：1986-02-04
申请人： NIPPON STEEL CORP
发明人： IOHARA NOBORU , KANEKO RYUZO
IPC分类号： G01J5/00 , G01J5/02 , G01J5/10
摘要： PURPOSE:To measure internal surface temperature accurately over the entire length of a steel tube in a furnace by making a scan and measuring the temperature by a radiation thermometer to the overall length of a tubular body and obtaining the lengthwise temperature distribution of the tubular body from measured values of temperature. CONSTITUTION:The radiation thermometer 10 is so installed as to scan the internal surface of the steel tube 1 from its close tube end 1a to its distant tube end 1b through an observation hole 4 made in the wall of the furnace 5. Then, a nonreflective, nonradiative member 17 is provided on the wall of the furnace 5 on the opposite side from the distant tube end 1b of the steel tube 1 to prevent radiant energy from inside the furnace 5 from reaching the thermometer 10 through the inside of the steel tube 1 from the distant tube end 1b of the steel tube 1. Thus, the internal surface of the steel tube 1 is scanned by the thermometer 10 to its overall length and the lengthwise temperature distribution of the steel tube 1 is obtained from the measured values of temperature.

8. 发明专利

JPS60187619A METHOD FOR CONTROLLING QUANTITY OF HEAT EXTRACTION OF HEAT EXCHANGER 失效
公开(公告)号：JPS60187619A
公开(公告)日：1985-09-25
申请号：JP4144184
申请日：1984-03-06
申请人： NIPPON STEEL CORP
发明人： SAKAMOTO KENICHI , IKUNO ITSUO , IOHARA NOBORU
IPC分类号： F28F27/00 , C21D1/00 , C21D1/46 , C21D1/64 , C21D9/52
摘要： PURPOSE:To control satisfactorily temp. even if the operation of a heat exchanger is in a transient state in a titled method for the heat exchanger in which a refrigerent is used as high- temp. fluid and water as low-temp. fluid by adjusting the water feed rate of the heat exchanger while preventing the abnormal water level of the heat exchanger. CONSTITUTION:A heated salt 3 is circulated between a cooling tank 2 and a heat exchanger 5 by a pump 4 and is thus cooled with a direct heat treating installation which immerses a steel material 1 after hot rolling into the molten salt 3 in the tank 2. A calculator 17 determines the target of the temp. difference of the prescribed equation by the prescribed heat balance equation for the cooling tank and applies the same as a set value DELTAt to a control device 16 for the difference between inlet and outlet. The device 16 calculates the difference t1-t2 detected by thermometers 13, 8 for the molten salt in the inlet and outlet and controls the set water level value of a device 15 for water level of the exchanger 5 so that the difference coincides with the value DELTAt. The device 15 controls the set value of the water feed flow rate of a control device 9 for the water feed flow rate so that the water level detected by a water level gage 14 coincides with the set water level value. The device 15 operates thereafter a water feed valve 11 so that the flow rate detected by a feed water flowmeter 10 coincides with the set value of the water feed flow rate.

9. 发明专利

JPS59215216A Method for marking and reading mark in process control of steel material 失效
标题翻译：钢材过程控制标记与标注方法
公开(公告)号：JPS59215216A
公开(公告)日：1984-12-05
申请号：JP8276283
申请日：1983-05-13
申请人： Maakutetsuku:Kk , Nippon Steel Corp
发明人： MATSUKAWA HIDEFUMI , IOHARA NOBORU , YOSHITANI NAOHARU
IPC分类号： B21C51/00 , B41M5/00
CPC分类号： B21C51/005
摘要： PURPOSE:To perform automatically marking and reading a mark in a process control of steel material by marking a bar code on the surface of steel material with the aid of a paint spraying device and reading the bar code with the aid of an optical detecting device to treat the read signal. CONSTITUTION:A fillet-shaped mark is marked on a steel pipe B by on-off controlling marking guns 1 while rotating the pipe B. the marking guns 1, the number of which are made equal to the number of digits of control marks, and are turned ON or kept OFF in accordance with a BCD code corresponding to the mark at every time. Next, a paint spraying device A is shifted by a width portion corresponding to one bit with the aid of a motor, and each gun 1 is on-off controlled in accordance with the BCD code, and the code is completed by the sprays of total 4 times. The pipe B is advanced in the direction of an arrow mark 21 and is irradiated by a black light 22, and the excited fluorescence is sensed by an optical detecting device 26 after passing through a slit 23, an UV filter 24, and a TR filter 22. The sensed signal 27 is decoded to an original character-signal by a microprocessor.
摘要翻译：目的：通过借助于喷漆装置在钢材表面上标记条形码，借助于光学检测装置读取条形码，在钢材的过程控制中自动标记和读取标记。处理读取信号。构成：在钢管B上标有圆角状的标记，通过在旋转管道B的同时开启控制标记枪1，标记枪1的数量等于控制标记的位数，以及根据每次对应于该标记的BCD码，被接通或保持关闭。接下来，借助于电动机，喷漆装置A偏移对应于一位的宽度部分，并且根据BCD码对每个喷枪1进行开关控制，并且通过总喷雾完成代码 4次。管B沿箭头21的方向前进，并被黑光22照射，并且激发的荧光在通过狭缝23，UV过滤器24和TR过滤器之后由光学检测装置26感测感测信号27由微处理器解码为原始字符信号。

10. 发明专利

JPS59118816A Control device of installation for direct heat treatment of steel wire rod 失效
标题翻译：钢丝绳直接热处理安装控制装置
公开(公告)号：JPS59118816A
公开(公告)日：1984-07-09
申请号：JP22849682
申请日：1982-12-25
申请人： Mitsubishi Heavy Ind Ltd , Nippon Steel Corp
发明人： TAUCHI KUNIAKI , HAYAMA YASUNOBU , YANAGI KENICHI , HANASAKI MIKI , INOUE SATORU , SANO MASAYOSHI , IKUNO ITSUO , IOHARA NOBORU
IPC分类号： C21D9/52 , C21D1/607 , C21D1/64 , C21D9/58 , C21D11/00
CPC分类号： C21D1/64
摘要： PURPOSE:To cool securely a steel wire rod to a prescribed temp. and to make the property thereof uniform by measuring the temp. of a refrigerant for cooling the steel wire rod, comparing the same with a target value and controlling the refrigerant temp. so that the refrigerant temp. attains always the target value. CONSTITUTION:A steel wire rod 3 of a high temp. is passed through the refrigerant 2 in a cooling tank 1 and is thus cooled. The refrigerant 2 heated to a high temp. is pumped 4 to a heat exchanger 5 where it is cooled with water and the refrigerant 2 cooled to a low temp. is again returned to the tank 1. The temp. of the refrigerant 2 in the tank 1 is detected with a detector 7 and the measured temp. T2 thereof is outputted to a temp. control device 8. The device 8 compares the optimum target temp. T2' of the refrigerant 2 calculated in an arithmetic device 9 and the temp. T2 and controls a cooling rate control device 10 so that the temp. T2 attains the target temp. T2'. The device 10 regulates the cooling of the refrigerant 2 in the heat exchanger 5 by regulating the water feed valve 11 for the cooling water 6 thereby maintaining the temp. of the refrigerant 2 in the tank 1 constant.
摘要翻译：目的：将钢丝绳安全地冷却至规定的温度。并通过测量温度使其性质均匀。用于冷却钢线材的制冷剂，将其与目标值进行比较并控制制冷剂温度。使制冷剂温度始终达到目标值。构成：高温钢丝绳3。在冷却槽1内通过制冷剂2，从而被冷却。制冷剂2加热到高温泵送4到热交换器5，在那里用水冷却，制冷剂2冷却到低温。再次返回到坦克1。用检测器7检测罐1中的制冷剂2的测量温度。 T2输出到温度控制装置8.装置8比较最佳目标温度。在算术装置9中算出的制冷剂2的T2' T2并控制冷却速度控制装置10， T2达到目标温度。 T2' 。装置10通过调节冷却水6的供水阀11来调节热交换器5中的制冷剂2的冷却，从而保持温度。的罐1中的制冷剂2的常数。

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