JPS59129382A - Measuring device for temperature of charge into furnace - Google Patents
Measuring device for temperature of charge into furnaceInfo
- Publication number
- JPS59129382A JPS59129382A JP354583A JP354583A JPS59129382A JP S59129382 A JPS59129382 A JP S59129382A JP 354583 A JP354583 A JP 354583A JP 354583 A JP354583 A JP 354583A JP S59129382 A JPS59129382 A JP S59129382A
- Authority
- JP
- Japan
- Prior art keywords
- furnace
- temperature
- waveguide
- contents
- microwave
- 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.)
- Pending
Links
Landscapes
- Blast Furnaces (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
この発明は、炉内装入物の温度測定装置に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an apparatus for measuring the temperature of contents in a furnace.
高炉炉内のコークス、鉱石等の炉内装入物の温度を測定
することは、高炉を効率良く操業するうえで重要である
。BACKGROUND OF THE INVENTION Measuring the temperature of contents inside a blast furnace, such as coke and ore, is important for efficiently operating a blast furnace.
しかし、従来、炉内装入物の温度を直接測定する方法は
なく、炉内ガスの測定温度値を用いて伝熱計算を高炉の
高さ方向について行々い、これにより炉内装入物の温度
を推定していた。However, conventionally, there is no method to directly measure the temperature of the contents in the furnace, and heat transfer calculations are performed in the height direction of the blast furnace using the measured temperature values of the gas in the furnace. was estimated.
従って、炉内装入物の温度を直接測定する装置の開発が
望まれている。Therefore, it is desired to develop a device that directly measures the temperature of the contents in the furnace.
この発明は、上述のような観点から、炉内装入物の温度
を簡単かつ確実に測定することができる温度測定装置を
一提供するものであって5先端部を耐火物で閉塞した導
波管と、前記導波管の周囲に固定した水冷管と、前記導
波管により受信し−だマイクロ波を電気信号に変換する
マイクロ波放射計と、前記マイクロ波放射計からの電気
信号を温度に変換し1表示する表示器とから構成される
ことに特徴を有する。From the above-mentioned viewpoint, the present invention provides a temperature measuring device that can easily and reliably measure the temperature of the contents in a furnace, and includes a waveguide whose tip end is closed with a refractory material. a water-cooled tube fixed around the waveguide, a microwave radiometer that converts the microwaves received by the waveguide into an electrical signal, and a microwave radiometer that converts the electrical signal from the microwave radiometer into a temperature signal. It is characterized in that it is composed of a display device that converts and displays one image.
この発明の一態様を図面を参照しながら説明する。One embodiment of the present invention will be described with reference to the drawings.
第1図は、この発明の一態様の断面図である。FIG. 1 is a cross-sectional view of one embodiment of the present invention.
第1図において、lは先端部を耐火物2で閉塞1−だ導
波管、3は導波管lの周囲に固定され、導波管1を冷−
aするとともにこね、を補強する作用を有する水冷管、
4け導波管]により受信したマイクロ波を電気信号に変
換する1例えば、4.’7 CIHz(Cバント帯)の
マイクロ波放射計、5は導波管〕とマイクロ波放射計4
とを電気的に接続する導波ケーブル、そして−6d:マ
イクロ波放射計4からの電気信号を幅度に変換し表示す
る表示器である。In FIG. 1, l is a waveguide whose tip is closed with a refractory 2, 3 is fixed around the waveguide l, and the waveguide 1 is cooled.
A water-cooled pipe that has the effect of reinforcing kneading as well as a.
For example, 4. converting microwaves received by a 4-piece waveguide into an electrical signal. '7 CIHz (C band band) microwave radiometer, 5 is a waveguide] and microwave radiometer 4
and -6d: a display that converts the electrical signal from the microwave radiometer 4 into width and displays it.
上記構成からなる温度測定装置の導波管lを第2図に示
されるように高炉7内に水平に挿入すると、炉内のコー
クスや鉱石等の炉内装入物から放射され〜るマイク・導
波は、導波管コの先端部から導波管lおよび導波ケーブ
ル5を介してマイクロ波数身j割4に入り、ここで電気
信号に変換される。When the waveguide l of the temperature measuring device having the above configuration is inserted horizontally into the blast furnace 7 as shown in FIG. The wave enters the microwave number 4 from the tip of the waveguide 1 through the waveguide 1 and the waveguide cable 5, where it is converted into an electrical signal.
この電気信号−二表示器うで温度に変換されるとともに
炉内装入物の温度として表示される。This electrical signal is converted into temperature by two indicators and is displayed as the temperature of the contents in the furnace.
マイクロ阪放射計4からの出力電圧Vと炉内装入物の温
度との関係は一マイクロ波の波長が極めて長いところか
ら次式に示すように比例関係を示す。The relationship between the output voltage V from the Micro Osaka radiometer 4 and the temperature of the contents in the furnace shows a proportional relationship as shown in the following equation since the wavelength of one microwave is extremely long.
■−ε・n−T+b ・(])但し、ε、炉内
装入物のマイクロ波領域での放射率。■-ε・n-T+b ・(]) However, ε is the emissivity of the furnace contents in the microwave region.
O,、b:定数。O,, b: constant.
従って1表示器6は、上記(1)式の演算機能および演
算結果の表示機能を有するものとする。Therefore, it is assumed that the 1-display device 6 has a calculation function of the above equation (1) and a function of displaying the calculation result.
導波管]は水冷管3により冷却されるので、導波管1が
炉内に挿入されても熱損傷することがなく、シかも水冷
管3により補強されるので炉内装入物により導波管1が
被損されることもない。The waveguide] is cooled by the water-cooled tube 3, so even if the waveguide 1 is inserted into the furnace, it will not be damaged by heat, and since it is reinforced by the water-cooled tube 3, the waveguide will not be damaged by the contents inside the furnace. The pipe 1 will not be damaged.
導波管lの先端部はマイクロ波の透過率が1に近い耐火
物2で閉塞されているので一炉内装入物が導波管1内に
入り込むことを防止する。Since the tip of the waveguide 1 is closed with a refractory 2 whose microwave transmittance is close to 1, the contents of the furnace are prevented from entering the waveguide 1.
第3図に、上記温度測定装置を炉内に水平に挿入したと
きの炉の径方向の炉内装入物の温度分布の一例を示し、
第4図に、上記温度測定装置を炉内に水平に固定したと
きの炉内装入物の温度の時間的変化の一例を示す。FIG. 3 shows an example of the temperature distribution of the contents in the furnace in the radial direction of the furnace when the temperature measuring device is inserted horizontally into the furnace,
FIG. 4 shows an example of a temporal change in the temperature of the contents in the furnace when the temperature measuring device is horizontally fixed in the furnace.
以上説明したように、この発明によれば、以下のような
効果がもたらされる。As explained above, according to the present invention, the following effects are brought about.
■ 炉内装入物の習4度を直接、炉内ガスの影響を受け
ずに高精度で測定することができる。これは−炉内ガス
の放射率1dマイクロ波領域でほぼOであるので、マイ
クロ波放射計からの出力信号は5固体の炉内装入物から
放射されるマイクロ波のみによる出カイ言号となるから
である。■ It is possible to directly measure the X-4 degree of the contents in the furnace with high accuracy without being affected by the gas in the furnace. This is because the emissivity of the reactor gas is approximately O in the 1d microwave region, so the output signal from the microwave radiometer is an output signal due only to the microwaves emitted from the solid reactor contents. It is from.
■ 赤外放射温度計のようにレンズ系を使用していない
ので、レンズの汚れによる測定誤差の問題がない。■ Unlike infrared radiation thermometers, it does not use a lens system, so there is no problem of measurement errors due to lens dirt.
■ 赤外放射温度計と異なり、(1)式から明らかなよ
うに出力時1つ日が線形であるので、常温から1500
℃まで赤外放射温度計と比べて測定高度範囲が広範囲で
ある。■ Unlike an infrared radiation thermometer, as is clear from equation (1), the output time is linear, so the temperature range from room temperature to 1500
The measurement altitude range is wider than that of an infrared radiation thermometer, up to ℃.
第1図は、との発明の温度測定装置の一態様を示す断面
Iン]、第2図は、同装置の使用状態を示す説明図、第
3図は、炉の径方向の炉内装入物の温度分布を示す図、
゛第4図は、炉内一点における炉内装入物の温度の時間
的変化を示す図である。図面において。
1・・・導波管 2 許1火物3・・・水冷
管 4・・マイクロ波放射計5・・導波ケー
ブル 6 表示器
7・・・高炉
出願人 日本鋼管株式会社
代理人 潮 谷 奈津夫(他2名)学1図
3
ポ3図
1FIG. 1 is a cross-sectional view showing one embodiment of the temperature measuring device of the invention, FIG. 2 is an explanatory diagram showing the usage state of the device, and FIG. 3 is a radial direction of the furnace interior. A diagram showing the temperature distribution of an object,
゛Figure 4 is a diagram showing temporal changes in the temperature of the contents in the furnace at one point in the furnace. In the drawing. 1... Waveguide 2 Fireworks 3... Water-cooled tube 4... Microwave radiometer 5... Waveguide cable 6 Display device 7... Blast furnace applicant Natsu Shioya, representative of Nippon Kokan Co., Ltd. Husband (and 2 others) Manabu 1 Figure 3 Port 3 Figure 1
Claims (1)
に固定した水冷管と、前記導波管により受信したマイク
ロ波を電気信号に変換するマイクロ波放射側と、前記マ
イクロ波放射計からの電気信号を温度に変換し表示する
表示器とから構成されることを特徴とする、炉内装入物
の11情度測定装置0a waveguide whose tip end is closed with a refractory material, a water-cooled tube fixed around the waveguide, a microwave radiation side that converts the microwave received by the waveguide into an electrical signal, and the microwave 11 Temperature measurement device for furnace contents, characterized by comprising a display device that converts an electric signal from a radiometer into temperature and displays it.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP354583A JPS59129382A (en) | 1983-01-14 | 1983-01-14 | Measuring device for temperature of charge into furnace |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP354583A JPS59129382A (en) | 1983-01-14 | 1983-01-14 | Measuring device for temperature of charge into furnace |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS59129382A true JPS59129382A (en) | 1984-07-25 |
Family
ID=11560383
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP354583A Pending JPS59129382A (en) | 1983-01-14 | 1983-01-14 | Measuring device for temperature of charge into furnace |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59129382A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4693614A (en) * | 1983-06-20 | 1987-09-15 | Sumitomo Metal Industries, Ltd. | Apparatus for detecting slag outflow |
JPH0492697A (en) * | 1990-08-09 | 1992-03-25 | Okayama Pref Gov | Rotary drum type washing machine |
-
1983
- 1983-01-14 JP JP354583A patent/JPS59129382A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4693614A (en) * | 1983-06-20 | 1987-09-15 | Sumitomo Metal Industries, Ltd. | Apparatus for detecting slag outflow |
JPH0492697A (en) * | 1990-08-09 | 1992-03-25 | Okayama Pref Gov | Rotary drum type washing machine |
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