JPH0762464A - Temperature measuring instrument for molten material in converter - Google Patents
Temperature measuring instrument for molten material in converterInfo
- Publication number
- JPH0762464A JPH0762464A JP5226583A JP22658393A JPH0762464A JP H0762464 A JPH0762464 A JP H0762464A JP 5226583 A JP5226583 A JP 5226583A JP 22658393 A JP22658393 A JP 22658393A JP H0762464 A JPH0762464 A JP H0762464A
- Authority
- JP
- Japan
- Prior art keywords
- furnace
- tuyere
- converter
- temperature
- solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012768 molten material Substances 0.000 title 1
- 238000004080 punching Methods 0.000 claims abstract description 17
- 230000005855 radiation Effects 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000002244 precipitate Substances 0.000 claims description 2
- 239000013307 optical fiber Substances 0.000 abstract description 7
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000005422 blasting Methods 0.000 abstract 1
- 238000009529 body temperature measurement Methods 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 239000000155 melt Substances 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 238000007654 immersion Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000004043 responsiveness Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000005469 synchrotron radiation Effects 0.000 description 1
Landscapes
- Radiation Pyrometers (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、例えば銅転炉内溶体の
温度を測定するための測温装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a temperature measuring device for measuring the temperature of a solution in a copper converter, for example.
【０００２】[0002]
【従来の技術】銅転炉操業においては、反応途中に、珪
石や繰返し物等の副原料や、反応により上昇した炉内溶
体の温度を下げるために冷材を炉内に送入するが、これ
らの送入時期や送入量あるいは送入速度を最適に制御す
るためには、炉内溶体の温度変化を精度、応答性共よく
把握することが重要である。2. Description of the Related Art In the operation of a copper converter, cold materials are fed into the furnace during the reaction in order to lower the temperature of the auxiliary raw materials such as silica stones and repetitive materials, and the temperature of the in-furnace solution increased by the reaction. In order to optimally control the feeding timing, feeding amount or feeding speed, it is important to understand the temperature change of the in-furnace melt with good accuracy and responsiveness.
【０００３】従来、銅転炉内溶体の測温は、非接触型の
２色温度計を含む放射温度計等により炉口を通して炉内
溶体の温度を測る方法が一般的である。しかしながら、
この方法では溶体と温度計との間にダストやヒューム等
が存在し、且つその濃度が刻々と変化するため、精度、
応答性共に十分な測温が行えないといった欠点があっ
た。Conventionally, the temperature of the solution in the copper converter has been generally measured by measuring the temperature of the solution in the furnace through a furnace opening by a radiation thermometer including a non-contact type two-color thermometer. However,
In this method, dust, fumes, etc. exist between the solution and the thermometer, and the concentration thereof changes every moment, so accuracy,
It had a drawback that it could not perform sufficient temperature measurement in response.
【０００４】一方、浸漬型の温度計を炉口や羽口を通し
て炉内溶体中に挿入し直接的に炉内溶体の温度を測る方
法がある。しかしながら、この方法は高い精度で測温を
行うことができるものの、消耗型のものでは連続測定が
不可能なこと、又保護管を用いる場合にも熱的衝撃、機
械的衝撃、あるいは溶体による溶損により保護管の寿命
は短く、同様に長時間の連続測定に耐えず、且つ費用も
高いといった欠点があった。On the other hand, there is a method of directly measuring the temperature of the in-furnace melt by inserting an immersion type thermometer into the in-furnace melt through the furnace mouth and tuyere. However, although this method can measure temperature with high accuracy, continuous measurement is not possible with a consumable type, and even if a protective tube is used, thermal shock, mechanical shock, or melting due to solution Due to the loss, the life of the protective tube is short, and similarly, there is a drawback that it cannot withstand continuous measurement for a long time and is expensive.
【０００５】[0005]
【発明が解決しようとする課題】以上のような欠点を有
する測温装置に対して、精度良く、連続測温可能な装置
として実用化されているものの一つに、特公昭６０−２
３１１２６号公報に記載されているノランダ羽口温度計
がある。この温度計は、図４に示すように、光ファイバ
ー式２色温度計３０のファイバー３１先端に接続された
側視式の集光装置（潜望鏡）３２をエアシリンダにより
羽口３３内に挿入し、炉内に通じる羽口管３４の炉内側
開口端にある溶体３５の温度を測定するものである。
尚、羽口管３４先端の析出物による閉塞を打開するため
に羽口３３にパンチングロッドを挿入する際には、潜望
鏡３２はエアシリンダにより下げられ、パンチングロッ
ドの走行路から退避する機構となっている。Among the temperature measuring devices having the above-mentioned drawbacks, one of those which have been put into practical use as a device capable of measuring temperature continuously with high accuracy is disclosed in JP-B-60-2.
There is a Noranda tuyere thermometer described in Japanese Patent No. 31126. In this thermometer, as shown in FIG. 4, a side-view type condensing device (periscope) 32 connected to the tip of a fiber 31 of an optical fiber type two-color thermometer 30 is inserted into a tuyere 33 by an air cylinder, The temperature of the melt 35 at the open end of the tuyere tube 34 inside the furnace, which is open to the inside of the furnace, is measured.
Incidentally, when the punching rod is inserted into the tuyere 33 in order to break the blockage due to the deposit at the tip of the tuyere tube 34, the periscope 32 is lowered by the air cylinder and becomes a mechanism for retracting from the traveling path of the punching rod. ing.
【０００６】このノランダ羽口温度計は、非接触式の温
度計を用いるため連続測温が可能な上、ダスト、ヒュー
ム等の影響を受けず精度の高い測温ができるという長所
を備えているが、高価な上、潜望鏡駆動部の構成部材が
多く、従って構造が複雑なために故障も多く、そのメン
テナンスに労力を要するといった欠点がある。This Noranda tuyere thermometer uses a non-contact type thermometer so that it can continuously measure temperature and has an advantage that it can perform highly accurate temperature measurement without being affected by dust, fume and the like. However, there are drawbacks in that it is expensive and there are many constituent members of the periscope driving unit, and therefore the structure is complicated, so that there are many failures and maintenance is required.
【０００７】このノランダ羽口温度計に対し、特公昭６
１−３０６３８号公報に記載されている銅転炉内溶体の
測温装置は、図５に示すように、２色温度計等の非接触
式温度計４０により羽口管４１を通して炉内側開口端に
ある溶体４２の温度を測定する点ではノランダ羽口温度
計と同じであるが、次の点で異なっている。For this Nolanda tuyere thermometer,
As shown in FIG. 5, the temperature measuring device for the solution in the copper converter described in Japanese Patent Publication No. 1-30638 has a non-contact type thermometer 40, such as a two-color thermometer, through a tuyere tube 41 and an open end inside the furnace. It is the same as the Nolanda tuyere thermometer in that the temperature of the solution 42 in Fig. 2 is measured, but it is different in the following points.
【０００８】即ち、この装置では、溶体中に吹き込む空
気の羽口管先端部での流速をマッハ１以上とすることに
より、炉内側開口端の析出物による閉塞を防止し閉塞打
開のためのパンチングロッドの挿入を不要としている。
そして、羽口の炉外側開口部を透明体４３で閉じ、この
透明体４３を通して炉内溶体温度を測定するものであ
る。このように装置が固定式であるため、ノランダ羽口
温度計が有する駆動部の作動不良といったトラブルは排
除される。しかしながら、溶体中に吹込む空気をマッハ
１以上の高速で送風するためには、羽口管径を細くし、
送風圧を通常の４倍程度以上に高めて送風する必要があ
り、設備の大きな改造を伴うという問題がある。In other words, in this apparatus, the flow velocity of the air blown into the melt at the tip of the tuyere tube is set to Mach 1 or more to prevent clogging due to precipitates at the open end of the furnace and punching for cleaving. No need to insert rod.
Then, the opening of the tuyere outside the furnace is closed by the transparent body 43, and the temperature of the solution in the furnace is measured through the transparent body 43. Since the device is fixed in this way, troubles such as malfunction of the drive unit of the Nolander tuyere thermometer are eliminated. However, in order to blow the air blown into the melt at a high speed of Mach 1 or higher, the tuyere pipe diameter must be reduced,
It is necessary to increase the blowing pressure to about 4 times the normal pressure or more to blow air, which causes a problem of major modification of the equipment.
【０００９】また、特公昭６４−２１７５号公報に記載
の銅転炉内溶体の測温装置は、図６に示すように、一端
を透明体５０で閉じた直管状の誘導管５１を羽口５２の
炉外側開口部を通して羽口管５３内に挿入し、装着部で
羽口５２に固定し、この透明体５０を通して放射温度計
等の非接触式温度計５４により炉内溶体温度を測定する
ものである。この装置は、誘導管５１と羽口管５３との
間隙を流れる送風空気が羽口管５３の内周面に沿ってほ
ぼ均一な空気流のエアカーテンを形成し、これにより羽
口管５３の炉内側開口端の析出物による閉塞を有効に防
止する構成を備えている。Further, as shown in FIG. 6, the temperature measuring device for the solution in the copper converter described in Japanese Patent Publication No. Sho 64-2175 has a straight tubular guide tube 51 closed at one end with a transparent body 50 as a tuyere. It is inserted into the tuyere pipe 53 through the outer side opening of the furnace 52, is fixed to the tuyere 52 at the mounting portion, and the in-furnace melt temperature is measured by the non-contact type thermometer 54 such as a radiation thermometer through the transparent body 50. It is a thing. In this device, the blast air flowing through the gap between the guide pipe 51 and the tuyere pipe 53 forms an air curtain of a substantially uniform air flow along the inner peripheral surface of the tuyere pipe 53, whereby the air flow of the tuyere pipe 53 is reduced. It is provided with a structure that effectively prevents clogging of the open end of the furnace with deposits.
【００１０】しかしながら、実際にはこの程度のエアカ
ーテンで羽口先端の閉塞を抑制することは不可能であ
り、このため頻繁に温度計を装着部から取り外してパン
チングロッドによる打開を行うという煩瑣な作業が必要
となる。もしくは、前出の特公昭６１−３０６３８号公
報に記載の測温装置と同様に、溶体に吹込む空気の流速
をマッハ１以上とすることが必要であり、転炉設備の大
きな改造を余儀なくされるという問題がある。However, in practice, it is impossible to suppress the closure of the tuyere tip with this degree of air curtain, and therefore the thermometer is frequently removed from the mounting portion and the punching rod is used to make a break. Work is required. Alternatively, similarly to the temperature measuring device described in Japanese Patent Publication No. 61-30638, it is necessary to set the flow velocity of the air blown into the solution to Mach 1 or more, which necessitates a major modification of the converter equipment. There is a problem that
【００１１】従って、本発明の目的は、故障の原因とな
る駆動部がなく、かつ高速送風化におけるような転炉設
備の大掛かりな改造もない、簡単かつ安価な構成で、高
精度、応答性共十分な連続測温が可能な転炉内溶体の測
温装置を提供することである。Therefore, an object of the present invention is to have a simple and inexpensive structure, which has no drive unit that causes a failure, and which does not require major modification of converter equipment as in the case of high-speed air blowing, and has high accuracy and responsiveness. It is an object of the present invention to provide a temperature measuring device for a melt in a converter capable of co-sufficient continuous temperature measurement.
【００１２】[0012]
【課題を解決するための手段】上記目的は本発明に係る
転炉内溶体の測温装置にて達成される。要約すれば、本
発明は、転炉の壁部を貫通する羽口管を介して溶体温度
を測定する測温装置において、炉内溶体からの放射光を
集光する集光装置と、該集光装置により集光された放射
光を計測して溶体温度を測定する放射温度計とを有し、
前記集光装置を、前記羽口管の炉外側に取り付けられた
羽口ボックス内における、前記羽口管の炉内側開口端の
析出物を打開するために挿入するパンチングロッドの走
行路を避けた位置に固定的に配置し、かつ前記放射温度
計を炉外に配置したことを特徴とする転炉内溶体の測温
装置である。The above object can be achieved by the temperature measuring device for the solution in the converter according to the present invention. In summary, the present invention relates to a temperature measuring device for measuring a solution temperature via a tuyere tube penetrating a wall portion of a converter, and a concentrating device for concentrating radiant light from a solution in the furnace, And a radiation thermometer for measuring the solution temperature by measuring the radiated light collected by the optical device,
In the tuyere box attached to the outer side of the tuyere tube, the light concentrating device avoids a traveling path of a punching rod that is inserted to break out the deposit at the open end of the inner side of the tuyere tube. It is a temperature measuring device for a solution in a converter, which is fixedly arranged at a position and the radiation thermometer is arranged outside the furnace.
【００１３】[0013]
【実施例】以下、本発明に係る転炉内溶体の測温装置の
実施例を図面に則して更に詳しく説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a temperature measuring device for a melt in a converter according to the present invention will be described below in more detail with reference to the drawings.
【００１４】図１及び２は、本発明に係る測温装置を装
着した転炉の要部を示す断面図であり、図１は測温装置
稼動中の状態を示し、図２はパンチングロッド使用中の
状態を示している。1 and 2 are cross-sectional views showing a main part of a converter equipped with a temperature measuring device according to the present invention. FIG. 1 shows a state in which the temperature measuring device is in operation, and FIG. 2 uses a punching rod. The inside state is shown.
【００１５】図１において、転炉２０は、外壁を構成す
る転炉炉体９、及び内壁を構成し溶体１１を収容する耐
火煉瓦１０を備えている。転炉炉体９及び耐火煉瓦１０
は直管状の羽口管２により貫通され、転炉炉体９を貫通
した羽口管２には羽口ボックス１が、転炉炉体９に形成
された炉体フランジ１４及び羽口ボックス１に形成され
たフランジ１５を介して連結されている。In FIG. 1, a converter 20 is provided with a converter furnace body 9 forming an outer wall and a refractory brick 10 forming an inner wall and containing a solution 11. Converter furnace body 9 and refractory brick 10
Is pierced by a straight tubular tuyere pipe 2, and the tuyere box 1 penetrates the converter furnace body 9, and the tuyere box 1 is formed in the converter furnace body 9 and the furnace body flange 14 and the tuyere box 1 Are connected via a flange 15 formed on the.
【００１６】羽口ボックス１は、羽口管２から直線状に
延びた位置に開口した炉外側開口部６と、フランジ１５
から図面上右斜め上方に延びた位置に開口した送風空気
用開口部１６とを備え、送風空気用開口部１６には空気
管１７が連結されている。The tuyere box 1 is provided with a furnace outer opening 6 which is open at a position extending straight from the tuyere tube 2 and a flange 15.
From the drawing, the blower air opening 16 is opened at a position extending obliquely upward and rightward in the drawing, and an air pipe 17 is connected to the blower air opening 16.
【００１７】また、炉外側開口部３には案内部材１８に
案内されて、炉外側開口部６の閉鎖位置と開放位置との
間を移動するボールバルブ８が設けられている。尚、案
内部材１８はボールバルブ８が閉鎖位置にあるときに静
止する弁坐部１８ａを含んでいる。A ball valve 8 which is guided by a guide member 18 and moves between the closed position and the open position of the furnace outer opening 6 is provided in the furnace outer opening 3. The guide member 18 includes a valve seat portion 18a that is stationary when the ball valve 8 is in the closed position.
【００１８】ボールバルブ８が図１に示すように弁坐部
１８ａにあって炉外側開口部６を閉鎖しているとき、後
述する測温装置が測温可能状態となる。一方、図２に示
すように、炉外開口部６から挿入されたパンチングロッ
ド７の先端により、ボールバルブ８が案内部材１８に沿
って押し上げられ、炉外側開口部６が開放状態となり、
更に案内部材１８に形成された貫通口１８ｂを通り、パ
ンチングロッド７が羽口ボックス１及び羽口管２を貫通
して挿入される。これにより、羽口管２の炉内側開口端
に形成された閉塞溶体即ち析出物の打開が可能となる。As shown in FIG. 1, when the ball valve 8 is in the valve seat portion 18a and the furnace outer opening 6 is closed, the temperature measuring device, which will be described later, is in a temperature measuring enabled state. On the other hand, as shown in FIG. 2, the ball valve 8 is pushed up along the guide member 18 by the tip of the punching rod 7 inserted from the furnace outside opening 6, and the furnace outside opening 6 is opened.
Further, the punching rod 7 is inserted through the tuyere box 1 and the tuyere tube 2 through the through hole 18b formed in the guide member 18. As a result, it is possible to break through the clogging solution, that is, the deposit formed at the open end of the tuyere tube 2 inside the furnace.
【００１９】尚、パンチングロッド７が羽口ボックス１
から引き抜かれると、ボールバルブ８は案内部材１８に
沿って弁坐部１８ａに落下して自動的に開口部６を閉鎖
し、図１の状態となる。The punching rod 7 is the tuyere box 1.
When pulled out from the ball valve 8, the ball valve 8 falls along the guide member 18 to the valve seat portion 18a and automatically closes the opening 6, and the state shown in FIG. 1 is obtained.
【００２０】次に、測温装置について説明する。測温装
置２２は、溶体１１からの放射光を集光する集光装置
３、光ファイバ式２色温度計５、及び両者を接続する光
ファイバケーブル４から構成されている。Next, the temperature measuring device will be described. The temperature measuring device 22 is composed of a condensing device 3 that condenses the radiated light from the solution 11, an optical fiber type two-color thermometer 5, and an optical fiber cable 4 that connects the two.
【００２１】集光装置３は光ファイバケーブル４の一方
の先端に接続され、羽口ボックス１の炉外側端部の下部
近傍に埋め込まれるように固定されている。より詳しく
説明すると、羽口管２の水平面２ａに連続する羽口ボッ
クス１の底面１ａが、羽口管２の水平面２ａからわずか
に下方に傾斜しており、そして集光装置３はその最低
部、即ち羽口管２からの最遠部に、羽口管２の炉内開口
部の上部を望む様に配置されている。また、このとき集
光装置３は、図１に示すように、ボールバルブ８を案内
する案内部材１８の弁坐部１８ａの下方、即ち炉外側開
口部６近傍の下方に位置している。The light collector 3 is connected to one end of an optical fiber cable 4 and is fixed so as to be embedded in the tuyere box 1 in the vicinity of the lower part of the outer end of the furnace. More specifically, the bottom surface 1a of the tuyere box 1 which is continuous with the horizontal surface 2a of the tuyere tube 2 is inclined slightly downward from the horizontal surface 2a of the tuyere tube 2, and the condensing device 3 has its lowest part. That is, the furthest tube 2 is arranged at the farthest portion from the tuyere tube 2 so that the upper portion of the opening in the furnace of the tuyere tube 2 is desired. At this time, as shown in FIG. 1, the light collector 3 is located below the valve seat 18a of the guide member 18 that guides the ball valve 8, that is, below the furnace outer opening 6.
【００２２】従って、図２に示すように、羽口ボックス
１内のパンチングロッド７の走行路を避けた位置に固定
的に設けられた集光装置３は、析出物を打開するための
パンチングロッド７の作動に干渉することはなく、パン
チング時に集光装置３を取り外す作業を不要とすること
ができる。Therefore, as shown in FIG. 2, the condensing device 3 fixedly provided in the tuyere box 1 at a position avoiding the traveling path of the punching rod 7 has a punching rod for breaking the deposit. There is no interference with the operation of 7, and it is possible to eliminate the work of removing the light collector 3 during punching.
【００２３】また、集光装置３は、視野角の小さい、即
ち遠方の測定位置における測定径の小さい形式のものを
用いることにより、羽口管中心軸外の位置からでも、炉
内側開口端にある溶体からの放射光を測温に十分な量だ
け集光することができる。本実施例において、集光装置
３は側視式で１ｍの測定距離における測定径が１２ｍｍ
のものを用い、また集光装置の周囲に空気等を流すこと
により、集光部への異物等の付着防止及び除去、かつ送
風停止時等における集光装置の冷却を有効に行えるよう
にした。Further, by using a light collecting device 3 having a small viewing angle, that is, a small measuring diameter at a distant measuring position, even if it is located outside the central axis of the tuyere tube, the light collecting device 3 is provided at the open end of the furnace. The emitted light from a certain solution can be collected in an amount sufficient for temperature measurement. In the present embodiment, the condensing device 3 has a side-view type measuring diameter of 12 mm at a measuring distance of 1 m.
It is possible to prevent foreign substances from adhering to the light collecting part and to remove it, and to effectively cool the light collecting device when the air blow is stopped by using the above .
【００２４】尚、空気導入管１７から羽口管２を経て溶
体１１内に導かれた反応用送風空気１２が溶体内で浮力
により上方へ流れるため、羽口管２の炉内側開口端の閉
塞は下部から上部に進行する。従って集光装置３は前述
のように羽口ボックス１内の下部に設置し、図１に示す
炉内溶体観察経路１３のように、この位置から羽口管２
内を斜め上方に通過し、最後に閉塞する炉内側開口端上
部からの光を集光する構成とした。The reaction blowing air 12 introduced into the solution 11 from the air introduction tube 17 through the tuyere tube 2 flows upward due to buoyancy in the solution, so that the opening end of the tuyere tube 2 inside the furnace is blocked. Progresses from the bottom to the top. Therefore, the light collector 3 is installed in the lower part of the tuyere box 1 as described above, and the tuyere tube 2 is provided from this position like the in-furnace solution observation path 13 shown in FIG.
The light was passed obliquely upward through the inside, and the light from the upper end of the opening inside the furnace that was finally closed was collected.
【００２５】集光装置３により集光された放射光は、光
ファイバケーブル４を通って２色温度計に導かれ、溶体
温度が測定される。尚、２色温度計は、羽口管の炉内側
開口端の部分的な閉塞による滅光の影響を受けにくいの
で、非接触式の温度計として好適である。The radiated light collected by the light collector 3 is guided to the two-color thermometer through the optical fiber cable 4 and the solution temperature is measured. The two-color thermometer is suitable as a non-contact type thermometer because it is less likely to be affected by extinction due to partial blockage of the furnace inner opening end of the tuyere tube.
【００２６】図３は、上記測温装置による転炉造銅期に
おける炉内溶体温度の経時変化例を示すグラフで、図中
○印は、浸漬型熱電対を羽口を通して炉内溶体中に挿入
し、同時に計った溶体温度を併せてプロットしたもので
あるが、本実施例による測温装置と浸漬型熱電対との測
温値がよく一致していることが確認できた。また、数バ
ッチ経過後においても異物除去を行う必要はなかった。FIG. 3 is a graph showing an example of the change over time in the temperature of the molten metal in the furnace during the copper-making period of the converter by the above temperature measuring device. In the figure, the mark ○ indicates that the immersion type thermocouple was passed through the tuyere into the molten metal in the furnace. It is a plot in which the temperature of the solution that was inserted and measured at the same time was also plotted, and it was confirmed that the temperature measurement values of the temperature measurement device according to this example and the immersion thermocouple were in good agreement. Further, it was not necessary to remove foreign matter even after several batches had elapsed.
【００２７】[0027]
【発明の効果】以上の説明から明らかなように、本発明
による炉内溶体の測温装置は、炉内溶体からの放射光を
集光する集光装置と、この集光装置により集光された放
射光を計測して溶体温度を測定する放射温度計とを有
し、集光装置を、羽口管の炉外側に取り付けられた羽口
ボックス内における、羽口管の炉内側開口端の析出物を
打開するために挿入するパンチングロッドの走行路を避
けた位置に固定的に配置し、かつ放射温度計を炉外に配
置した構成とすることにより、駆動部を備えてないため
故障がなく、また高速送風化におけるような転炉設備の
大掛かりな改造も必要なく、簡単かつ安価な構成で、炉
内溶体に対する高精度な連続測温を行うことができる。As is apparent from the above description, the temperature measuring device for in-furnace melt according to the present invention collects the radiated light from the in-furnace melt, and the condensing device collects the emitted light. And a radiation thermometer for measuring the solution temperature by measuring the synchrotron radiation, and the condensing device in the tuyere box attached to the outside of the tuyere tube, inside the furnace end of the tuyere tube. By arranging the punching rod, which is inserted to break out the deposits, in a fixed position avoiding the running path, and by arranging the radiation thermometer outside the furnace, there is no drive unit, which causes failure. In addition, there is no need for major remodeling of converter equipment such as in high-speed air blowing, and a simple and inexpensive configuration enables highly accurate continuous temperature measurement of the molten metal in the furnace.
【図１】同製錬転炉に装備された本発明に係る転炉内溶
体の測温装置の一実施例を示す要部断面図である。FIG. 1 is a sectional view of an essential part showing an embodiment of a temperature measuring device for a solution in a converter according to the present invention, which is installed in the same smelting converter.
【図２】図１の転炉にパンチングロッドを挿入した状態
を示す断面図である。FIG. 2 is a cross-sectional view showing a state in which a punching rod is inserted in the converter shown in FIG.
【図３】本実施例の測温装置及び浸漬型熱電対による転
炉造銅期における炉内溶体温度の経時変化例を示すグラ
フである。FIG. 3 is a graph showing an example of changes over time in the temperature of the solution in the furnace during the copper-making period of the converter using the temperature measuring device and the immersion thermocouple of this example.
【図４】第１の従来技術を示す説明図である。FIG. 4 is an explanatory diagram showing a first conventional technique.
【図５】第２の従来技術を示す説明図である。FIG. 5 is an explanatory diagram showing a second conventional technique.
【図６】第３の従来技術を示す説明図である。FIG. 6 is an explanatory diagram showing a third conventional technique.
１ 羽口ボックス ２ 羽口管 ３ 集光装置 ４ 光ファイバケーブル ５ 放射温度計（２色高温計） ７ パンチングロッド 1 tuyere box 2 tuyere tube 3 light collector 4 optical fiber cable 5 radiation thermometer (2-color pyrometer) 7 punching rod
───────────────────────────────────────────────────── フロントページの続き (72)発明者 和田 敏郎 大分県北海部郡佐賀関町大字関３の3382番 地 日鉱金属株式会社佐賀関製錬所内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Toshiro Wada 3382, Sekiseki, Saganoseki-cho, North Sea District, Oita Prefecture 3382 Nikko Metal Co., Ltd.
Claims (1)
体温度を測定する測温装置において、炉内溶体からの放
射光を集光する集光装置と、該集光装置により集光され
た放射光を計測して溶体温度を測定する放射温度計とを
有し、前記集光装置を、前記羽口管の炉外側に取り付け
られた羽口ボックス内における、前記羽口管の炉内側開
口端の析出物を打開するために挿入するパンチングロッ
ドの走行路を避けた位置に固定的に配置し、かつ前記放
射温度計を炉外に配置したことを特徴とする転炉内溶体
の測温装置。1. A temperature measuring device for measuring a solution temperature through a tuyere tube penetrating a wall part of a converter, and a condensing device for condensing radiant light from a solution in a furnace, and the condensing device. And a radiation thermometer for measuring the solution temperature by measuring the collected radiant light, wherein the light concentrator is in the tuyere box attached to the outside of the tuyere tube, In a converter, the radiation thermometer is fixedly arranged at a position avoiding a traveling path of a punching rod inserted to break out precipitates at the open end of the furnace inside, and the radiation thermometer is arranged outside the furnace. Solution temperature measuring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5226583A JP2750995B2 (en) | 1993-08-19 | 1993-08-19 | Temperature measuring device for solution in converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5226583A JP2750995B2 (en) | 1993-08-19 | 1993-08-19 | Temperature measuring device for solution in converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0762464A true JPH0762464A (en) | 1995-03-07 |
| JP2750995B2 JP2750995B2 (en) | 1998-05-18 |
Family
ID=16847454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5226583A Expired - Lifetime JP2750995B2 (en) | 1993-08-19 | 1993-08-19 | Temperature measuring device for solution in converter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2750995B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006511702A (en) * | 2002-12-19 | 2006-04-06 | スペシャルティ ミネラルス ミシガン インク． | How to keep the ladle from adhering to the tuyere that communicates with the metallurgy container |
| CN111635976A (en) * | 2020-06-30 | 2020-09-08 | 南京宝希智能技术有限公司 | Non-contact converter molten steel temperature continuous measurement system and detection method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS585974A (en) * | 1981-07-01 | 1983-01-13 | Toshiba Corp | Combined cycle in fuel cell generation unit |
| JPS6344811A (en) * | 1986-08-13 | 1988-02-25 | 岩渕農機株式会社 | Sickle |
| JPS642175A (en) * | 1987-06-25 | 1989-01-06 | Fanuc Ltd | Convolution integrator for picture recognition device |
| JPH0227424A (en) * | 1988-07-15 | 1990-01-30 | Nec Corp | Automatic job activating system |
-
1993
- 1993-08-19 JP JP5226583A patent/JP2750995B2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS585974A (en) * | 1981-07-01 | 1983-01-13 | Toshiba Corp | Combined cycle in fuel cell generation unit |
| JPS6344811A (en) * | 1986-08-13 | 1988-02-25 | 岩渕農機株式会社 | Sickle |
| JPS642175A (en) * | 1987-06-25 | 1989-01-06 | Fanuc Ltd | Convolution integrator for picture recognition device |
| JPH0227424A (en) * | 1988-07-15 | 1990-01-30 | Nec Corp | Automatic job activating system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006511702A (en) * | 2002-12-19 | 2006-04-06 | スペシャルティ ミネラルス ミシガン インク． | How to keep the ladle from adhering to the tuyere that communicates with the metallurgy container |
| CN111635976A (en) * | 2020-06-30 | 2020-09-08 | 南京宝希智能技术有限公司 | Non-contact converter molten steel temperature continuous measurement system and detection method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2750995B2 (en) | 1998-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10378824B2 (en) | Device for measuring the temperature of a molten metal | |
| EP2799824B1 (en) | Method and apparatus for measuring the temperature of a molten metal | |
| JPH0762464A (en) | Temperature measuring instrument for molten material in converter | |
| CA1274990A (en) | Apparatus for temperature measurement in a converter | |
| CA2122291A1 (en) | Device for extraction by pouring with a regulatable flow rate of a material melted in a melter having cold walls | |
| EP0802401A1 (en) | Temperature measurement method, temperature control method and temperature measurement apparatus for high-temperature melt | |
| CN111088414A (en) | Oxygen lance with online continuous temperature measurement function and use method thereof | |
| AU2014250666C1 (en) | Method and apparatus for measuring the temperature of a molten metal | |
| JPH0567893B2 (en) | ||
| JPH0882553A (en) | Method for measuring molten iron temperature at tap hole by optical fiber thermometer | |
| DE58903220D1 (en) | DEVICE FOR THE DISCONTINUOUS MEASUREMENT DATA DETECTION OF THE MELT. | |
| JPS62132135A (en) | Continuous measurement of molten metal temperature | |
| JP2000227278A (en) | Measuring apparatus of combustion zone | |
| ES2951086T3 (en) | Immersion device for temperature measurement and method for position detection | |
| JPH0150832B2 (en) | ||
| JPH07243912A (en) | Molten metal temperature measuring device | |
| JPS63214627A (en) | Method for measuring temperature of molten metal | |
| JPH10153492A (en) | Method and device for measuring temperature of fused slag | |
| JPH0520489B2 (en) | ||
| KR20220089480A (en) | Apparatus for measuring molten iron temperature of blast furnace | |
| JPH07151607A (en) | Temperature measuring instrument | |
| SU1079671A1 (en) | Gas blowing device | |
| AU746219B2 (en) | Temperature measuring apparatus | |
| JP2680723B2 (en) | Boiler dust meter | |
| JP2001303121A (en) | Method for measuring temperature on surface in inside of refining vessel |