JPH0747736Y2 - Composite probe for molten metal - Google Patents
Composite probe for molten metalInfo
- Publication number
- JPH0747736Y2 JPH0747736Y2 JP9193289U JP9193289U JPH0747736Y2 JP H0747736 Y2 JPH0747736 Y2 JP H0747736Y2 JP 9193289 U JP9193289 U JP 9193289U JP 9193289 U JP9193289 U JP 9193289U JP H0747736 Y2 JPH0747736 Y2 JP H0747736Y2
- Authority
- JP
- Japan
- Prior art keywords
- probe
- sensor
- holding member
- molten metal
- measuring
- 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.)
- Expired - Lifetime
Links
Landscapes
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
Description
【考案の詳細な説明】 産業上の利用分野 本考案は溶融金属の温度測定あるいは酸素濃度などの成
分濃度測定と、成分分析用の試料採取を同時に行う複合
プローブに関する。DETAILED DESCRIPTION OF THE INVENTION Industrial Field of the Invention The present invention relates to a composite probe for simultaneously measuring the concentration of a molten metal such as temperature or oxygen concentration and sampling for component analysis.
従来の技術 従来、製鋼工程等において溶鋼の温度測定あるいは酸素
等の成分濃度測定と、分光分析等を行うための試料の採
取はそれぞれ専用のプローブを用いて行われていたが、
最近では作業時間の短縮あるいは省力化のために、温度
あるいは成分濃度測定と試料採取とを同時に行う場合が
多くなり、そのための複合プローブが用いられている。Conventional technology Conventionally, in the steelmaking process, etc., the temperature measurement of molten steel or the concentration measurement of components such as oxygen, and the sampling for spectroscopic analysis etc. were performed using dedicated probes, respectively.
Recently, in order to shorten the working time or save labor, the temperature or component concentration measurement and the sampling are often performed at the same time, and a composite probe for that purpose is used.
第９図にそのような一従来例としての複合プローブ１を
示す。FIG. 9 shows a composite probe 1 as such a conventional example.
プローブ１は、紙管２の先端部にシェル即ち砂型等の耐
火物で構成される保持部材３を介して温度あるいは成分
濃度測定用センサー４と試料採取容器５とを取り付けて
構成され、例えば熱電対（図示せず）等の測定部６と湯
道７とが紙管２の先端即ち保持部材３の先端面８から突
出している。９はセンサー保護用キャップ、11は湯道保
護用キャップである。この場合、保持部材３の先端面８
についてはセンサー４の保持部分の先端面と採取容器５
の保持部分の先端面とが大略同一面となるように形成さ
れ、測定部６と湯道７の流入口12とはほぼ同程度に突出
しており、比較的に近接している。The probe 1 is constructed by attaching a temperature or component concentration measuring sensor 4 and a sampling container 5 to the tip of a paper tube 2 via a holding member 3 made of a refractory such as a shell, that is, a sand mold. A pair of measuring units 6 (not shown) and the runner 7 project from the tip of the paper tube 2, that is, the tip surface 8 of the holding member 3. 9 is a sensor protection cap, and 11 is a runner protection cap. In this case, the tip surface 8 of the holding member 3
About the tip of the holding part of the sensor 4 and the collection container 5
Is formed so as to be substantially flush with the front end surface of the holding portion of the measurement part 6, and the measurement part 6 and the inflow port 12 of the runner 7 project to approximately the same extent and are relatively close to each other.
考案が解決しようとする課題 以上のごとき構成とされた複合プローブ１においては、
センサー４の周囲の保持部材の容量が大きく、プローブ
１が溶融金属に浸漬された時に保持部材３の先端面８か
ら多くのガスが発生する。このガス、及び保持部材３自
体や湯道保護キャップ11の影響によってセンサー４の測
定部６付近の温度低下、温度不均一が生じ、測定波形が
乱れたり、測定値に誤差が生じる。Problems to be Solved by the Invention In the composite probe 1 configured as described above,
The holding member around the sensor 4 has a large capacity, and a large amount of gas is generated from the tip surface 8 of the holding member 3 when the probe 1 is immersed in the molten metal. Due to the influence of this gas, the holding member 3 itself, and the runner protection cap 11, temperature drop and temperature non-uniformity occur near the measurement portion 6 of the sensor 4, and the measurement waveform is disturbed and the measurement value has an error.
また、溶解したセンサー保護キャップ９の鉄、アルミ、
銅あるいは紙等の成分がすぐ近くにある流入口12から流
入して採取試料中に混入し、正確な成分分析が出来な
い。In addition, the iron, aluminum, and
A component such as copper or paper flows in from a nearby inlet 12 and mixes into a sample to be collected, which prevents accurate component analysis.
さらに、センサー４と採取容器５とが近接して配置され
ているので、センサー４内に有る熱電対補償接点部やセ
ンサ４とコネクタ13とを結ぶリード線等（図示せず）が
採取容器内に入った溶融金属のもつ熱の影響を受け、正
確な測定が出来ない場合が有る。Furthermore, since the sensor 4 and the collection container 5 are arranged in close proximity to each other, the thermocouple compensation contact portion in the sensor 4 and the lead wire (not shown) connecting the sensor 4 and the connector 13 are arranged in the collection container. Accurate measurement may not be possible due to the heat of the molten metal that enters.
課題を解決するための手段 本考案は上記課題を解決するためになされたもので有
り、本考案に係る溶融金属用複合プローブは、溶融金属
の温度測定あるいは酸素等の成分濃度測定用センサと試
料採取容器とを、耐火物からなる保持部材を介してプロ
ーブ紙管内に取り付けた溶融金属用複合プローブにおい
て、前記センサの保持部材の外端面が前記試料採取容器
の保持部材の外端面より突出させ、かつ前記センサの測
定部が前記試料採取容器の試料流入口より突出させた事
を特徴とする。このように構成することにより、ガスを
発生するセンサ保持部材の端面を小さくできるとともに
保持部材そのものの容量も小さくでき、かつセンサの測
定部と試料採取容器の流入口との距離を遠ざける事が出
来る。Means for Solving the Problems The present invention has been made to solve the above problems, and a composite probe for molten metal according to the present invention comprises a sensor and a sample for measuring the temperature of molten metal or measuring the concentration of components such as oxygen. A sampling container and a composite probe for molten metal mounted in the probe paper tube through a holding member made of a refractory, the outer end surface of the holding member of the sensor is projected from the outer end surface of the holding member of the sample collecting container, Moreover, the measuring part of the sensor is projected from the sample inlet of the sample collecting container. With this structure, the end surface of the sensor holding member that generates gas can be made small, the capacity of the holding member itself can be made small, and the distance between the measuring portion of the sensor and the inlet of the sampling container can be increased. .
実施例 以下、本考案の実施例を図面に基づき説明する。Embodiment Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
第１図は本考案の実施例に係るプローブ20の断面図、第
２図はその側面図である。なお、第９図に示した従来例
と同じ部材については同じ参照番号を用い、その詳細な
説明は省略する。FIG. 1 is a sectional view of a probe 20 according to an embodiment of the present invention, and FIG. 2 is a side view thereof. The same members as those in the conventional example shown in FIG. 9 are designated by the same reference numerals, and detailed description thereof will be omitted.
図から明らかなように本実施例においては、センサー４
を紙管２内に取り付ける保持部材21と、容器５を紙管２
内に取り付ける保持部材22とは、保持部材21の外端面21
aが保持部材22の外端面22aより紙管２から突出し、かつ
センサ４の測定部６が試料採取容器５の試料流入口12よ
り十分に突出させた構成とされている。なおセンサ用の
保持部材21の試料流入口12側の側面21bは第２図に明ら
かなように円弧状に形成され、それにより、保持部材21
の外端面21aの大きさは、従来例のほぼ1/3になってい
る。尚、この側面は第３図に示すように平面の両端側を
大きく面取り加工した形状としても良い。As is clear from the figure, in this embodiment, the sensor 4
Holding member 21 for mounting the inside of the paper tube 2 and the container 5
The holding member 22 attached inside means the outer end surface 21 of the holding member 21.
a is projected from the outer end surface 22a of the holding member 22 from the paper tube 2, and the measuring portion 6 of the sensor 4 is sufficiently projected from the sample inlet 12 of the sample container 5. The side surface 21b of the sensor holding member 21 on the sample inlet 12 side is formed in an arc shape as is apparent from FIG.
The size of the outer end surface 21a is approximately 1/3 of that of the conventional example. It should be noted that this side surface may have a shape in which both ends of the flat surface are largely chamfered as shown in FIG.
また本実施例においては、センサー４用の保持部材21と
試料採取容器５用の保持部材22とは、センサー４と容器
５とを同時にインサートモールドした一体物として形成
して、センサー４と容器５とをユニット化しているが、
それぞれ別体の物として形成されても良い。尚、保持部
材21、22は全体が耐火物で構成される必要はなく、例え
ば紙管２内に別の紙管等を用いて取り付け、溶融金属に
触れる部分に耐火物を盛るようにしてもよい。Further, in this embodiment, the holding member 21 for the sensor 4 and the holding member 22 for the sample collection container 5 are formed as an integrated body by insert-molding the sensor 4 and the container 5 at the same time. And are unitized,
They may be formed separately. The holding members 21 and 22 do not have to be made entirely of refractory material. For example, another paper tube or the like may be used in the paper tube 2 to attach the refractory material to the portion in contact with the molten metal. Good.
次に本考案のプローブと従来例のプローブとにより、温
度測定と試料採取を行い、その結果を第４図と第５図に
それぞれ示される温度測定専用のプローブと試料採取専
用のプローブとによる結果と比較して第６図乃至第８図
に示す。尚、本実験においては、取鍋中の温度が1550な
いし1600℃、炭素濃度が約0.13％の炭素鋼内に各プロー
ブを浸漬して行った。浸漬を行った各プローブの仕様を
表１に、センサー４の測定値を第６図に、またセンサー
４の測定波形を第７図に、そして採取試料の分析結果を
第８図に示す。Next, the probe of the present invention and the probe of the conventional example were used for temperature measurement and sample collection, and the results are shown in FIG. 4 and FIG. 5, respectively, for the temperature measurement probe and sample collection probe. 6 to 8 in comparison with FIG. In this experiment, each probe was immersed in carbon steel having a ladle temperature of 1550 to 1600 ° C. and a carbon concentration of about 0.13%. The specifications of the dipped probes are shown in Table 1, the measured values of the sensor 4 are shown in FIG. 6, the measured waveforms of the sensor 4 are shown in FIG. 7, and the analysis results of the collected samples are shown in FIG.
これによると、第６図に示されるように従来のプローブ
は温度測定専用のプローブに比べ、測温値は低く、その
測定波形も第７図に示されるように応答性が悪く、かつ
乱れている。また、第８図に示されるように、従来のプ
ローブは採取試料のアルミの分析値がアルミ製であるセ
ンサー保護キャップ９の影響を受けて大きくバラツキ、
且異常に高いものが有り、実質的にはアルミニュームの
分析は不可能である。これに対して本考案によるプロー
ブの測温、試料採取に関する性能は温度測定専用プロー
ブ、試料採取専用プローブのそれとほぼ同等である。According to this, as shown in FIG. 6, the conventional probe has a lower temperature measurement value than the probe dedicated to the temperature measurement, and the measured waveform also has poor responsiveness and is disturbed as shown in FIG. There is. Further, as shown in FIG. 8, in the conventional probe, the analytical value of aluminum of the sample to be sampled greatly varies due to the influence of the sensor protection cap 9 made of aluminum,
However, there are some that are abnormally high, and it is virtually impossible to analyze aluminum. On the other hand, the performance of the probe according to the present invention regarding temperature measurement and sampling is almost the same as that of the temperature measurement probe and sampling probe.
考案の効果 以上の説明から明らかなように、本考案による複合プロ
ーブは、保持部材の外端面から発生するガス、保持部材
あるいは湯道保護用キャップによるセンサへの影響と、
センサ保護用キャップによる採取試料の成分への影響を
殆ど無くすことが出来、正確な温度、成分濃度測定が出
来、正しい成分の試料を採取することが出来る。 EFFECTS OF THE INVENTION As is clear from the above description, the composite probe according to the present invention is characterized in that the gas generated from the outer end surface of the holding member, the influence of the holding member or the runner protection cap on the sensor,
The influence of the sensor protection cap on the components of the sample collected can be almost eliminated, accurate temperature and component concentration can be measured, and the sample of the correct component can be collected.
【図面の簡単な説明】 第１図は本考案の一実施例に係る複合プローブの断面
図、第２図はその側面図、第３図は他の実施例の側面
図、第４図は温度測定専用のプローブの断面図、第５図
は試料採取専用のプローブの断面図、第６図は各プロー
ブのセンサの測定値を比較して示すグラフ、第７図は各
プローブのセンサの測定波形を示す波形図、第８図は各
プローブにより採取された試料のアルミニュームについ
ての成分分析結果を比較して示すグラフ、第９図は従来
例の複合プローブを示す断面図である。 2:紙管、4:センサ、5:試料採取容器、6:測定部、7:湯
道、9:センサ保護用キャップ、11:湯道保護用キャッ
プ、12:試料流入口、21:センサー保持部材、21a:外端
面、22:容器保持部材、22a:外端面BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a sectional view of a composite probe according to an embodiment of the present invention, FIG. 2 is a side view thereof, FIG. 3 is a side view of another embodiment, and FIG. Sectional view of the probe dedicated to measurement, Figure 5 is a sectional view of the probe dedicated to sampling, Figure 6 is a graph showing the measured values of the sensors of each probe in comparison, and Figure 7 is the measured waveform of the sensor of each probe. FIG. 8 is a graph showing comparative results of component analysis of aluminum samples of samples collected by the respective probes, and FIG. 9 is a sectional view showing a composite probe of a conventional example. 2: Paper tube, 4: Sensor, 5: Sampling container, 6: Measuring part, 7: Runway, 9: Sensor protection cap, 11: Runway protection cap, 12: Sample inlet, 21: Sensor holding Member, 21a: outer end surface, 22: container holding member, 22a: outer end surface
Claims (1)
濃度測定用センサと試料採取容器とを、耐火物からなる
保持部材を介してプローブ紙管内に取り付けた溶融金属
用複合プローブにおいて、前記センサの保持部材の外端
面が前記試料採取容器の保持部材の外端面より突出し、
前記センサの測定部が前記試料採取容器の試料流入口よ
り突出していることを特徴とする溶融金属用複合プロー
ブ。1. A composite probe for molten metal in which a sensor for measuring the temperature of molten metal or for measuring the concentration of components such as oxygen and a sampling container are mounted in a probe paper tube through a holding member made of a refractory material. The outer end surface of the holding member of the protruding from the outer end surface of the holding member of the sampling container,
A composite probe for molten metal, wherein a measuring portion of the sensor projects from a sample inlet of the sampling container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9193289U JPH0747736Y2 (en) | 1989-08-04 | 1989-08-04 | Composite probe for molten metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9193289U JPH0747736Y2 (en) | 1989-08-04 | 1989-08-04 | Composite probe for molten metal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0330860U JPH0330860U (en) | 1991-03-26 |
| JPH0747736Y2 true JPH0747736Y2 (en) | 1995-11-01 |
Family
ID=31641388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9193289U Expired - Lifetime JPH0747736Y2 (en) | 1989-08-04 | 1989-08-04 | Composite probe for molten metal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0747736Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101211999B1 (en) | 2010-09-29 | 2012-12-13 | 우진 일렉트로나이트(주) | Dual Sampler Comprehensive Probe |
-
1989
- 1989-08-04 JP JP9193289U patent/JPH0747736Y2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101211999B1 (en) | 2010-09-29 | 2012-12-13 | 우진 일렉트로나이트(주) | Dual Sampler Comprehensive Probe |
| CN103154698A (en) * | 2010-09-29 | 2013-06-12 | 又进电侧骑士有限公司 | Combination probe for dual sampler |
| CN103154698B (en) * | 2010-09-29 | 2016-06-29 | 又进电侧骑士有限公司 | Combination probe for dual sampler |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0330860U (en) | 1991-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20140119404A1 (en) | Measuring probe for measurements in molten metal or slag | |
| JPH0747736Y2 (en) | Composite probe for molten metal | |
| KR960010691B1 (en) | Probe for measuring concentration of impurity element in molten metal | |
| CN211652634U (en) | Precise thermal expansion measuring system compatible with mechanical and electrical signal displacement acquisition method | |
| KR101318831B1 (en) | Complex probe gathering sample of molten metal and slag simultaneously | |
| CN112461878B (en) | Method for measuring content of ferronickel in carbonyl ferronickel alloy powder | |
| JPH0645888Y2 (en) | Temperature measuring device with sampling function for molten metal | |
| CN107764802A (en) | Trace Al in a kind of measure pure iron, chromium, copper, manganese, the method for nickel and element silicon | |
| KR100668079B1 (en) | Hybrid single combination probe | |
| KR100599884B1 (en) | A ceramic block for multi probe | |
| CN216012515U (en) | Compound probe for measuring temperature, silicon and sample of molten iron | |
| Teape et al. | An evaluation of the use of electrophoresis and carbon furnace atomic absorption spectrometry to determine the copper level in separated serum protein fractions | |
| JP3697956B2 (en) | Probe for measuring characteristics of molten metal and method for attaching the probe to a sub lance | |
| JPS6319797Y2 (en) | ||
| CN2533458Y (en) | Quick integrative thermometric sampling sensor | |
| JPS6213007Y2 (en) | ||
| CN108918753A (en) | The measuring method of content of strontium in al-sr alloy | |
| JPH0233130Y2 (en) | ||
| CN1032830C (en) | Determination of hydrogen content in metals by melting extraction | |
| KR900006568Y1 (en) | Slag sampler | |
| JP3439974B2 (en) | Method and apparatus for analyzing oxygen or oxide by type of oxide in analysis sample | |
| JPH10324907A (en) | Integrated probe for molten metal | |
| RU66252U1 (en) | DEVICE FOR MEASURING PARAMETERS AND TAKING METAL SAMPLES IN THE CONVERTER | |
| CN205538779U (en) | Gaseous dew point hygrometer of filtration formula | |
| SU1137382A1 (en) | Gas humidity determination method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |