KR100817152B1 - Device for measuring temperature of slab - Google Patents

Device for measuring temperature of slab Download PDF

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KR100817152B1
KR100817152B1 KR1020010083667A KR20010083667A KR100817152B1 KR 100817152 B1 KR100817152 B1 KR 100817152B1 KR 1020010083667 A KR1020010083667 A KR 1020010083667A KR 20010083667 A KR20010083667 A KR 20010083667A KR 100817152 B1 KR100817152 B1 KR 100817152B1
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South Korea
Prior art keywords
blade
thermocouple
thermocouples
attached
temperature
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KR1020010083667A
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Korean (ko)
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KR20030053715A (en
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김병완
정현모
조성문
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주식회사 포스코
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00—Thermometers specially adapted for specific purposes
    • G01K13/04—Thermometers specially adapted for specific purposes for measuring temperature of moving solid bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • B21B38/006—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring temperature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
    • H01L27/0203—Particular design considerations for integrated circuits
    • H01L27/0248—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection
    • H01L27/0251—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices
    • H01L27/0259—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices using bipolar transistors as protective elements
    • H01L27/0262—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices using bipolar transistors as protective elements including a PNP transistor and a NPN transistor, wherein each of said transistors has its base coupled to the collector of the other transistor, e.g. silicon controlled rectifier [SCR] devices

Abstract

본 발명은 날판 측온장치에 관한 것으로, 날판의 진행방향과 직교되는 위치에서 필요에 따라 전후진가능하게 설치된 'ㄷ'형상의 이동대차프레임과; 상기 이동대차프레임의 각 단부에 서로 대칭되게 설치되고 날판의 상하단면을 향해 승하강가능하게 배설된 한쌍의 실린더와; 상기 실린더의 로드 단부에 회전가능하게 고정되고 서로 일정거리 이격되게 배치되도록 중공형샤프트에 고정되는 원통형롤과; 상기 원통형롤의 외주면에 부착되고 기록계와 연결된 열전대와; 상기 열전대의 인접측에 부착되고 필요에 따라 상기 열전대를 800℃까지 예열시키는 히터와; 상기 열전대와 구별되면서 그 인접측에 부착되고 다수의 회로에 의해 계측된 온도를 가지고 상기 히터의 발열작동을 제어하는 시스형 열전대를 포함하여 구성된다.

본 발명에 따르면, 날판의 온도를 연속적으로 측정하여 그 편차에 맞게 날판을 압연 제어함으로써 제품의 품질을 향상시키는 효과가 있다.

Figure R1020010083667

The present invention relates to a blade plate temperature measuring apparatus, and a 'c'-shaped moving cart frame installed to be capable of moving forward and backward as needed at a position perpendicular to a traveling direction of the blade; A pair of cylinders symmetrically installed at each end of the moving trolley frame and disposed to be able to move up and down toward the upper and lower end surfaces of the blade; A cylindrical roll rotatably fixed to the rod end of the cylinder and fixed to the hollow shaft so as to be spaced apart from each other by a predetermined distance; A thermocouple attached to an outer circumferential surface of the cylindrical roll and connected to a recording system; A heater attached to an adjacent side of the thermocouple and preheating the thermocouple to 800 ° C. as necessary; And a sheath-type thermocouple which is distinguished from the thermocouple and attached to its adjacent side and has a temperature measured by a plurality of circuits to control the heating operation of the heater.

According to the present invention, by continuously measuring the temperature of the blade and rolling control the blade in accordance with the deviation there is an effect of improving the quality of the product.

Figure R1020010083667

Description

날판 측온장치{DEVICE FOR MEASURING TEMPERATURE OF SLAB}Blade temperature measuring device {DEVICE FOR MEASURING TEMPERATURE OF SLAB}

도 1은 일반적인 열간압연 공정의 구성도,1 is a block diagram of a general hot rolling process,

도 2는 본 발명 장치의 구성도,2 is a block diagram of an apparatus of the present invention;

도 3은 도 2의 A-A선 단면도,3 is a cross-sectional view taken along the line A-A of FIG.

도 4는 본 발명 장치의 설치상태도,Figure 4 is an installation state of the device of the present invention,

도 5 내지 도 7은 본 발명 장치를 제어하기 위한 회로도.5 to 7 are circuit diagrams for controlling the apparatus of the present invention.

* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

2,2a : 중공형샤프트 3,3a : 원통형롤2,2a: Hollow shaft 3,3a: Cylindrical roll

4,5 : 열전대 6 : 절연보호관4,5 thermocouple 6: insulation protection tube

8 : 히터 9 : 시스형 열전대8 heater 9 sheath type thermocouple

12 : 고정볼트 18 : 절연재12: fixing bolt 18: insulating material

20 : 날판 23 : 이동대차프레임20: blade 23: moving bogie frame

24 : 실린더 26 : 워터쟈켓24: cylinder 26: water jacket

본 발명은 써모커플을 이용하여 날판에 직접 접촉시켜 측온함으로써 가열로 의 소재 온도를 조정하고 측정온도의 편차에 따른 제품결함을 방지하여 최적의 품질을 확보함과 동시에 안정된 상태로 연속압연작업이 가능하도록 한 날판 측온장치에 관한 것이다.The present invention adjusts the temperature of the material of the heating furnace by measuring temperature by directly contacting the blade by using a thermocouple and preventing product defects due to the deviation of the measurement temperature to ensure optimum quality and at the same time continuous rolling work in a stable state. It relates to a blade temperature measuring device.

도 1의 도시와 같이, 날판(제품 슬라브)(20)은 가열로(19)에서 1000~1250℃로 가열된 다음 다수의 압연기(22a,b)를 거치면서 일정한 두께로 압연되어 열연코일 및 후판제품으로 생산되게 된다.As shown in Figure 1, the blade (product slab) 20 is heated to 1000 ~ 1250 ℃ in the heating furnace 19 and then rolled to a certain thickness while passing through a number of rolling mills (22a, b) hot rolled coil and thick plate To be produced as a product.

이때, 날판(20)을 일정한 두께로 압연하기 위해 가열로(19)에서 날판(20)을 균일하게 가열한 다음 로 외로 추출하게 되지만 실제 날판의 온도는 상, 하 및 길이방향별로 심한 온도편차를 보이게 되어 압연전, 후에서 방사온도계(21a,b)를 이용하여 날판(20)의 각 부위별 온도를 측정하고 그에 따라 압연기의 압하율을 조정하거나 혹은 가열로(19)에서의 가열시간을 조정하여 온도편차에 의한 날판(20) 두께의 불균일을 방지함과 동시에 연속적인 압연작업을 유도하게 된다.At this time, in order to roll the blade 20 to a certain thickness, the blade 20 is uniformly heated in the heating furnace 19 and then extracted outside the furnace, but the actual temperature of the blade is severely varied in the upper, lower and longitudinal directions. Before and after rolling, the temperature of each part of the blade 20 is measured using the radiation thermometers 21a and b, and accordingly, the rolling reduction of the rolling mill is adjusted or the heating time in the heating furnace 19 is adjusted. This prevents the non-uniformity of the thickness of the blade 20 due to the temperature deviation and at the same time induce a continuous rolling operation.

그러나, 압연시 발생되는 수증기, 공장내 조도에 따른 측정온도의 오차가 심하게 발생됨은 물론 생산 강종별, 측정온도별로 적용방사율값이 달라 정확한 온도계측이 어렵고, 특히 날판(20)의 상하부간의 온도편차가 심하여 제품두께의 불균일한 압연 및 형상결함은 제어하기 곤란하였다.However, it is difficult to accurately measure the temperature of the measured temperature according to the steam generated during rolling and the roughness in the factory, as well as the applied emissivity value by production steel type and measurement temperature, and in particular, the temperature deviation between the upper and lower parts of the blade 20. It was so severe that uneven rolling and shape defects of the product thickness were difficult to control.

본 발명은 상술한 바와 같은 종래 기술이 갖는 제반 문제점을 감안하여 이를 해결하고자 창출한 것으로, 날판 온도를 그 부위별로 정확하게 직접 접촉하여 계측함으로써 후속 압연공정시 유발되는 두께 편차의 결함을 미연에 방지할 수 있도록 한 날판 측온장치를 제공함에 그 목적이 있다.The present invention was created in view of the above-described problems of the prior art, and solves this problem, and by accurately measuring the blade temperature by direct contact with each part, it is possible to prevent defects in thickness variation caused in the subsequent rolling process. The purpose is to provide a blade temperature measurement device.

본 발명의 상기한 목적은 날판의 진행방향과 직교되는 위치에서 필요에 따라 전후진가능하게 설치된 'ㄷ'형상의 이동대차프레임과; 상기 이동대차프레임의 각 단부에 서로 대칭되게 설치되고 날판의 상하단면을 향해 승하강가능하게 배설된 한쌍의 실린더와; 상기 실린더의 로드 단부에 회전가능하게 고정되고 서로 일정거리 이격되게 배치되도록 중공형샤프트에 고정되는 원통형롤과; 상기 원통형롤의 외주면에 부착되고 기록계와 연결된 열전대와; 상기 열전대의 인접측에 부착되고 필요에 따라 상기 열전대를 800℃까지 예열시키는 히터와; 상기 열전대와 구별되면서 그 인접측에 부착되고 다수의 회로에 의해 계측된 온도를 가지고 상기 히터의 발열작동을 제어하는 시스형 열전대를 포함하여 구성되는 것을 특징으로 하는 날판 측온장치를 제공함에 의해 달성된다.The above object of the present invention includes a 'c' shaped moving cart frame installed in a forward and backward direction as needed at a position orthogonal to the traveling direction of the blade; A pair of cylinders symmetrically installed at each end of the moving trolley frame and disposed to be able to move up and down toward the upper and lower end surfaces of the blade; A cylindrical roll rotatably fixed to the rod end of the cylinder and fixed to the hollow shaft so as to be spaced apart from each other by a predetermined distance; A thermocouple attached to an outer circumferential surface of the cylindrical roll and connected to a recording system; A heater attached to an adjacent side of the thermocouple and preheating the thermocouple to 800 ° C. as necessary; It is achieved by providing a blade temperature measuring device, characterized in that it comprises a sheath-type thermocouple which is distinguished from the thermocouple and attached to its adjacent side and has a temperature measured by a plurality of circuits and controls the heating operation of the heater. .

이하에서는, 첨부도면을 참고하여 본 발명을 보다 상세하게 설명한다.Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

도 2는 본 발명 장치의 구성도이다.2 is a block diagram of the apparatus of the present invention.

도 2에 따르면, 본 발명 측온장치(1)는 중공샤프트(2,2a)와, 중앙 선단부에는 원통형롤(3,3a)을 갖추고, 상기 중공샤프트(2,2a)의 외측에는 베어링(10)이 양쪽으로 장착된다.According to Figure 2, the temperature measuring device 1 of the present invention is provided with a hollow shaft (2, 2a), a cylindrical roll (3, 3a) at the central front end, a bearing (10) outside the hollow shaft (2, 2a) It is mounted on both sides.

상기 원통형롤(3,3a)에는 원주방향으로 "+", "-" 열전대(4,5)가 부착되고, 상기 열전대(4,5)와 슬립링(14)과 연결되는 열전대(4a)와 용접 접속되며, 상기 열전대(4a)의 "+", "-" 접지를 방지하기 위해 절연보호관(6)으로 분리함과 동시에 상 기 열전대(4,5)와 원통형롤(3,3a) 간의 접촉성을 높이기 위해 원통형롤(3,3a) 표면을 모따기 가공함이 바람직하다.Thermocouples 4 and 5 are attached to the cylindrical rolls 3 and 3a in the circumferential direction, and the thermocouples 4a are connected to the thermocouples 4 and 5 and the slip ring 14. It is welded and connected to the thermocouples 4 and 5 and the cylindrical rolls 3 and 3a while being separated by an insulating protective tube 6 to prevent "+" and "-" grounding of the thermocouple 4a. It is preferable to chamfer the surfaces of the cylindrical rolls 3 and 3a in order to increase the properties.

온도검출 속도를 향상하기 위하여 원통형롤(3,3a)과 고정링(7) 사이에 히터(8)를 원주방향으로 설치하고, 고정링(7)을 원통형롤(3,3a)에 볼트(12)로 고정하며, 상기 열전대(4,5)의 예열온도를 측정하기 위하여 원통형롤(3,3a)의 측부에는 시스형(SHEATHED TYPE) 열전대(9)가 부착된다.
이때, 시스형 열전대(9)는 보통 금속보호관에 열전대 소선을 넣고, MgO를 충진한 후 인발하여 만든 열전대를 말한다.In order to improve the temperature detection speed, the heater 8 is circumferentially installed between the cylindrical rolls 3 and 3a and the fixing ring 7, and the fixing ring 7 is attached to the cylindrical rolls 3 and 3a with the bolt 12. In order to measure the preheating temperature of the thermocouples 4 and 5, a sheathed type thermocouple 9 is attached to the sides of the cylindrical rolls 3 and 3a.
At this time, the sheath type thermocouple 9 refers to a thermocouple made by drawing a thermocouple element wire in a metal protective tube and filling it with MgO.

상기 히터(8)는 상술한 날판(20)의 온도범위를 감안하여 그 측온시간을 단축할 수 있도록 대략 800℃까지 발열되고, 그 발열에 의해 상기 열전대(4,5)가 예열될 수 있도록 하여줌이 바람직하다.The heater 8 heats up to approximately 800 ° C. to shorten the temperature measurement time in consideration of the temperature range of the blade 20 described above, and the thermocouples 4 and 5 may be preheated by the heat generation. Zoom is preferred.

상기 열전대(4,5)의 "+", "-" 사이의 간격을 3mm 미만일 경우 접지가 발생되고, 6mm 이상일 경우 기전력저하로 정확한 온도측정이 어려우므로 3~5mm를 유지시킴이 바람직하다.If the interval between the "+", "-" of the thermocouple (4,5) is less than 3mm, the ground is generated, if more than 6mm it is preferable to maintain 3 ~ 5mm because accurate temperature measurement is difficult due to electromotive force reduction.

또한, 상기 원통형롤(3,3a)들간의 이격거리는 서로 접촉되지 않을 정도인 1.5mm가 적당하다.Also, the separation distance between the cylindrical rolls 3 and 3a is suitably 1.5 mm, which is not in contact with each other.

그리고, 회전중 간격유지가 되지 않을 경우를 대비하여, 상기 원통형롤(3,3a) 간은 고정볼트(11)에 의해 그 간격이 유지되며, 또한 절연재(18)가 그 사이에 개재된다.In addition, the gap between the cylindrical rolls 3 and 3a is maintained by the fixing bolts 11 in case the gaps are not maintained during rotation, and the insulating material 18 is interposed therebetween.

이와 같이 구성된 본 발명 측온장치(1)는 도 4의 도시와 같이, 이동대차프레임(23)상에 날판(20)을 사이에 두고 서로 마주보는 상태로 배치된다.The temperature measuring device 1 of the present invention configured as described above is disposed in a state facing each other with the blade plate 20 interposed therebetween, as shown in FIG. 4.

상기 이동대차프레임(23)은 대략 'ㄷ'형상을 갖고 그 각 단부에는 상기 측온 장치(1)를 승하강시킬 수 있는 실린더(24)가 수직으로 설치되고, 상기 실린더(24)는 별도의 제어신호에 의해 상기 측온장치(1)를 승하강시켜 측온장치(1)의 원통형롤(3,3a)이 날판(20)의 상하단면과 접촉가능하게 하여 준다.The moving bogie frame 23 has a substantially 'c' shape, and at each end thereof, a cylinder 24 capable of raising and lowering the temperature measuring device 1 is vertically installed, and the cylinder 24 has a separate control. The temperature measuring device 1 is raised and lowered by a signal so that the cylindrical rolls 3 and 3a of the temperature measuring device 1 are in contact with the upper and lower end surfaces of the blade 20.

상기 이동대차프레임(23)은 가이드레일(27)을 따라 전후진 가능하게 배설되는 바, 이를 위해 이동대차프레임(23)의 후단에는 구동모터(28)가 설치되고, 상기 구동모터(28)는 기어박스(29)와 연결되어 구름수단인 캐스터(25)를 구동시키도록 구성된다.The moving bogie frame 23 is disposed to be moved forward and backward along the guide rails 27. For this purpose, a driving motor 28 is installed at the rear end of the moving bogie frame 23, and the driving motor 28 is It is connected to the gearbox 29 and configured to drive the caster 25 which is a rolling means.

아울러, 상기 측온장치(1)에는 도 4와 같은 워터쟈켓(26)이 부설되어 방산열에 의한 설비의 손상을 방지하도록 하여줌이 바람직하다.In addition, it is preferable that the water jacket 26 as shown in FIG. 4 is installed in the temperature measuring device 1 to prevent damage to the equipment due to heat of dissipation.

이러한 구성으로 이루어진 본 발명은 다음과 같은 작동관계를 갖는다.The present invention made up of such a configuration has the following operational relationship.

평상시에는 압연기(도 1의 "22a,b")의 전후단 외측에 대기하고 있다가 날판(20)의 온도측정이 요구되었을 때 구동모터(28)를 구동시켜 이동대차프레임(23)을 전진시킨다.Usually, it waits outside the front-rear end of the rolling mill ("22a, b" of FIG. 1), and when the temperature measurement of the blade 20 is requested | required, the drive motor 28 is driven and the moving cart frame 23 is advanced. .

측온장치(1)가 날판(20)의 상하면에 위치되었을 때 실린더(24)를 승하강시켜 날판(20)의 상하단면과 측온장치(1)의 원통형롤(3,3a)에 설치된 열전대(4,5)가 구름접촉되도록 하여 준다.When the temperature measuring device 1 is positioned on the upper and lower surfaces of the blade plate 20, the cylinder 24 is moved up and down, and the thermocouple 4 provided on the upper and lower end surfaces of the blade plate 20 and the cylindrical rolls 3 and 3a of the temperature measuring device 1. 5) make contact with the cloud.

이때, 도 5 내지 도 7과 같은 회로도에 의하여 제어동작이 수행되는 바, 이를 테면 시스형 열전대(9)에서 원통형롤(3,3a)의 온도에 비례한 기전력을 출력하게 되면 출력된 mV를 V로 변환하는 회로(30)에 의해 1~5V로 변환하고, 온도조절부로 출력되어 조절하고자 하는 온도와 비교한 다음 그 차이만큼 출력치를 전압과 전류로 변환하는 회로(32)로 송출하게 된다.At this time, the control operation is performed according to the circuit diagram as shown in Figs. 5 to 7, for example, when outputting an electromotive force proportional to the temperature of the cylindrical rolls (3, 3a) in the sheath-type thermocouple (9) is the output mV V 1 to 5V is converted by the circuit 30 to convert to, and is output to the temperature controller to compare with the temperature to be adjusted, and then outputs the output value to the circuit 32 for converting the output value by the difference.

상기 전압과 전류를 변환하는 회로(32)에서는 SCR 유닛(33)의 제어신호인 4~20mA 전류로 변환하고, 히터(8)에 공급되는 전원을 조절하여 열전대(4,5)의 온도를 재조절하게 된다.In the circuit 32 for converting the voltage and the current, the temperature of the thermocouples 4 and 5 is reset by converting the current into a 4-20 mA current which is a control signal of the SCR unit 33 and adjusting the power supplied to the heater 8. Will be adjusted.

열전대(4,5)에 의해 날판(20)의 온도에 비례하여 발생된 기전력 mV를 슬립링(13)을 통해 전달받아 mV를 V로 변환하는 회로(34)에 의해 1~5V로 변환한 다음 이를 기록 저장하는 기록계(15)로 보내지고 연속적인 측정작업이 이루어진다.The electromotive force mV generated in proportion to the temperature of the blade 20 by the thermocouples 4 and 5 is received through the slip ring 13 and converted into 1 to 5 V by a circuit 34 for converting mV to V. This is sent to the recorder 15 which records and stores and continuous measurement work is performed.

이상에서 상세히 설명한 바와 같이, 본 발명에 따르면 날판의 온도를 연속적으로 측정하여 그 편차에 맞게 날판을 압연 제어함으로써 제품의 품질을 향상시키는 효과가 있다.As described in detail above, according to the present invention by continuously measuring the temperature of the blade and rolling control the blade according to the deviation has the effect of improving the quality of the product.

Claims (5)

날판(20)의 진행방향과 직교되는 위치에서 필요에 따라 전후진가능하게 설치된 'ㄷ'형상의 이동대차프레임(23)과;A 'c' shaped moving trolley frame 23 installed forward and backward as needed at a position orthogonal to the traveling direction of the blade 20; 상기 이동대차프레임(23)의 각 단부에 서로 대칭되게 설치되고 날판(20)의 상하단면을 향해 승하강가능하게 배설된 한쌍의 실린더(24)와;A pair of cylinders 24 installed symmetrically at each end of the moving cart frame 23 and disposed to be able to move up and down toward the upper and lower end surfaces of the blade 20; 상기 실린더(24)의 로드 단부에 회전가능하게 고정되고 서로 일정거리 이격되게 배치되도록 중공형샤프트(2,2a)에 고정되는 원통형롤(3,3a)과;Cylindrical rolls 3 and 3a rotatably fixed to the rod ends of the cylinders 24 and fixed to the hollow shafts 2 and 2a so as to be spaced apart from each other by a predetermined distance; 상기 원통형롤(3,3a)의 외주면에 부착되고 기록계(15)와 연결된 열전대(4,5)와;Thermocouples (4, 5) attached to the outer circumferential surfaces of the cylindrical rolls (3, 3a) and connected to the recorder (15); 상기 열전대(4,5)의 인접측에 부착되고 필요에 따라 상기 열전대(4,5)를 800℃까지 예열시키는 히터(8)와;A heater (8) attached to an adjacent side of said thermocouples (4,5) and preheating said thermocouples (4,5) to 800 deg. 상기 열전대(4,5)와 구별되면서 그 인접측에 부착되고 다수의 회로에 의해 계측된 온도를 가지고 상기 히터(8)의 발열작동을 제어하는 시스형 열전대(9)를 포함하여 구성되는 것을 특징으로 하는 날판 측온장치.And a sheath type thermocouple (9) which is distinguished from the thermocouples (4, 5) and attached to its adjacent side and has a temperature measured by a plurality of circuits to control the heating operation of the heater (8). Blade thermostat. 제1항에 있어서, 상기 원통형롤(3,3a)은 적어도 1.5mm 이상 이격설치되는 것을 특징으로 하는 날판 측온장치.2. The blade temperature measurement apparatus according to claim 1, wherein the cylindrical rolls (3, 3a) are installed at least 1.5 mm apart. 제1항에 있어서, 상기 원통형롤(3,3a)은 고정볼트(12)에 의해 그 이격거리가 고정되고, 그 사이에는 절연재(18)가 개재되는 것을 특징으로 하는 날판 측온장치.2. The blade temperature measurement apparatus according to claim 1, wherein the cylindrical rolls (3, 3a) are fixed at a separation distance by a fixing bolt (12), and an insulating material (18) is interposed therebetween. 제1항에 있어서, 상기 열전대(4,5)는 서로 3~5mm 이격되게 설치되는 것을 특징으로 하는 날판 측온장치.According to claim 1, The thermocouples (4, 5) blade plate temperature measurement device, characterized in that installed to be spaced from each other 3 ~ 5mm. 제1항에 있어서, 상기 열전대(4,5)가 설치된 원통형롤(3,3a)의 인접 외측에는 냉각수가 관류되는 워터쟈켓(26)이 부설된 것을 특징으로 하는 날판 측온장치.2. The blade temperature measurement apparatus according to claim 1, wherein a water jacket (26) through which coolant flows is disposed on an outer side of the cylindrical roll (3,3a) provided with the thermocouples (4,5).
KR1020010083667A 2001-12-22 2001-12-22 Device for measuring temperature of slab KR100817152B1 (en)

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KR860008324U (en) * 1984-12-28 1986-07-24 포항종합제철 주식회사 Surface contact thermocouple for temperature measurement
KR950016966A (en) * 1993-12-29 1995-07-20 조말수 Thermocouple for surface temperature measurement

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR860008324U (en) * 1984-12-28 1986-07-24 포항종합제철 주식회사 Surface contact thermocouple for temperature measurement
KR950016966A (en) * 1993-12-29 1995-07-20 조말수 Thermocouple for surface temperature measurement

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