JPH08292186A - Molten metal sample collecting probe - Google Patents
Molten metal sample collecting probeInfo
- Publication number
- JPH08292186A JPH08292186A JP7096981A JP9698195A JPH08292186A JP H08292186 A JPH08292186 A JP H08292186A JP 7096981 A JP7096981 A JP 7096981A JP 9698195 A JP9698195 A JP 9698195A JP H08292186 A JPH08292186 A JP H08292186A
- Authority
- JP
- Japan
- Prior art keywords
- molten metal
- sample
- probe
- inflow port
- introducing pipe
- 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.)
- Withdrawn
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、金属の精錬工程におい
て、溶融金属の成分分析に供する試料を採取するための
溶融金属試料採取プローブに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a molten metal sampling probe for collecting a sample to be used for component analysis of molten metal in a metal refining process.
【０００２】[0002]
【従来の技術】金属を精錬する場合、先ず溶融金属を試
料として採取し、次に、この採取した試料の成分を分析
器によって分析し、その分析結果をもとに精錬条件を種
々制御する。2. Description of the Related Art When refining a metal, first, a molten metal is sampled, and then the components of the sample are analyzed by an analyzer, and various refining conditions are controlled based on the analysis result.
【０００３】従来から、発光分光分析用の溶融金属試料
採取プローブとして、図１に示す円盤状の試料採取容器
が一般に良く使われている。このプローブ１は溶融金属
中に浸漬すると、先ず、その下端に設けられたキャップ
２が溶融金属の熱によって溶損する。すると、それ迄キ
ャップ２に覆われていた導入管３が露出して、溶融金属
がその管内を経て試料採取容器４の室内に流入する。流
入した溶融金属は、試料採取容器４の内部で冷却され、
次第に凝固し始める。図に示すように、この試料採取容
器４の一部から下方に首部４ａが垂下し、首部の内面に
環状の突起４ｂが設けられている。この管状の突起４ｂ
は、導入管３を経て流入した溶融金属が所定以上の高温
であっても溶融金属が容器４の外へ流出するのを阻止す
る小径の導入部を構成する。Conventionally, a disk-shaped sample-collecting container shown in FIG. 1 has been commonly used as a molten metal sample-collecting probe for emission spectroscopy. When the probe 1 is immersed in the molten metal, first, the cap 2 provided at the lower end of the probe 1 is melted by the heat of the molten metal. Then, the introducing pipe 3 which has been covered with the cap 2 until then is exposed, and the molten metal flows into the chamber of the sampling container 4 through the pipe. The inflowing molten metal is cooled inside the sampling container 4,
It gradually begins to solidify. As shown in the figure, a neck portion 4a hangs downward from a part of the sample container 4, and an annular protrusion 4b is provided on the inner surface of the neck portion. This tubular protrusion 4b
Constitutes a small-diameter introducing part that prevents the molten metal flowing out of the container 4 even if the molten metal flowing in through the introduction pipe 3 has a high temperature of a predetermined value or higher.
【０００４】図２に示すように、試料採取容器４内で凝
固した試料５は円盤状で、その一側から首部の形状に対
応した円筒形の凝固片５ａが突出する。この試料５は、
採取現場に設けられた分析室または採取現場に隣接した
場所に設けられた分析室へ搬送され、そこで試料成分の
分析が行われる。この分析工程では、円盤状試料５の何
れか一方の面を研磨機で０．５ミリ程度研磨した後、発
光分光分析器で分析を行う。As shown in FIG. 2, the sample 5 solidified in the sample collection container 4 is disk-shaped, and a cylindrical solidified piece 5a corresponding to the shape of the neck projects from one side thereof. This sample 5
The sample is transported to an analysis room provided at the collection site or an analysis room provided at a place adjacent to the collection site, where the sample components are analyzed. In this analysis step, either surface of the disk-shaped sample 5 is polished by a polishing machine for about 0.5 mm and then analyzed by an emission spectroscopic analyzer.
【０００５】[0005]
【発明が解決しようとする課題】この分析には、近年、
ロボットを用いた自動分析器を導入して分析効率の向上
を図っている。ロボットは試料を握持して所要の箇所へ
搬送する働きをするが、図２に示す試料は凝固片の長さ
が３０ミリ前後に達するため、試料の方向性が悪いと凝
固片が邪魔になり、ロボットが試料を確実に握持できな
いことがあった。凝固片の長さが３０ミリ前後になる理
由は、試料採取容器の形状に原因がある。先程説明した
様に、試料採取容器には、導入部を形成するために首部
を突設しているが、この首部に更に導入管を挿入してい
るために、導入管の先端から首部の内端までの距離が少
なくとも３０ミリ前後になってしまう。In this analysis,
An automatic analyzer using a robot is introduced to improve analysis efficiency. The robot holds the sample and conveys it to the required place. However, the sample shown in Fig. 2 has a length of around 30 mm, so if the sample is not oriented properly, the sample will interfere. In some cases, the robot could not reliably hold the sample. The reason why the length of the coagulated piece is about 30 mm is due to the shape of the sampling container. As described above, the sampling container is provided with a neck portion so as to form the introduction portion.However, since the introduction pipe is further inserted into this neck portion, the inside of the neck portion from the tip of the introduction pipe is The distance to the edge is at least about 30 mm.
【０００６】そこで、本発明の目的は、試料採取容器に
工夫を凝らして、自動分析器に適した試料を採取可能な
溶融金属試料採取プローブを提供することにある。Therefore, an object of the present invention is to provide a molten metal sample collection probe capable of collecting a sample suitable for an automatic analyzer by devising a sample collection container.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するため
に、本発明の溶融金属試料採取プローブは、略々円筒形
の保護部材と、保護部材の下端を閉塞する閉塞部材と、
保護部材の内部に収納且つ閉塞部材上に立設され、略々
円盤状の試料採取室を画成する略々円盤状の金属製試料
採取容器と、閉塞部材を貫通して試料採取容器に連結さ
れた導入管とを備えて成り、試料採取容器は、その周壁
から突出しない流入口を有し、該流入口内に段差又は突
起を設けて、導入管の挿入端部を段差又は突起に係止さ
せたことを特徴とする。In order to achieve the above object, a molten metal sampling probe of the present invention comprises a substantially cylindrical protective member, and a closing member for closing the lower end of the protecting member.
A substantially disk-shaped metal sample collection container that is housed inside the protective member and is erected on the closure member to define a substantially disk-shaped sample collection chamber, and penetrates the closure member and connects to the sample collection container The sampling container has an inflow port that does not protrude from the peripheral wall thereof, and a step or a protrusion is provided in the inflow port to lock the insertion end of the introduction pipe to the step or the protrusion. It is characterized by having done.
【０００８】尚、試料採取室の厚みは約３．０乃至６．
０ミリが好ましい。又、試料採取室の下端から閉塞部材
の下端までの距離は約１０ミリが好ましい。The thickness of the sampling chamber is about 3.0 to 6.
0 mm is preferred. The distance from the lower end of the sampling chamber to the lower end of the closing member is preferably about 10 mm.
【０００９】[0009]
【実施例】以下、本発明の一実施例を図面に基づいて説
明する。An embodiment of the present invention will be described below with reference to the drawings.
【００１０】図３に示すように、本発明の溶融金属試料
採取プローブ１０は、略々円筒形の第一保護管１２と、
第一保護管１２の上端に嵌入された、同じく略々円筒形
の第二保護管１４とから成り、第１保護管１２の下端は
閉塞部材である保持栓１６によって閉塞されている。本
実施例において、第一保護管１２及び第二保護管１４は
紙製、保持栓１６は耐火モルタル、シェルモールド又は
セラミック製である。そして、この保持栓１６の上面と
第二保護管１４の下端との間に試料採取容器１８が立設
されている試料採取容器１８は金属製の円盤で、肉厚は
約３．０乃至６ミリである。試料採取容器１８は、その
内部に略々円盤状の試料採取室２０が形成されており、
その下部には円筒形の流入口２２が設けられている。こ
の流入口２２には、図４及び図５に詳細に示すように一
対の突起２４が設けられている。一方、保持栓１６にも
円筒形の取付孔２６が形成されており、流入口２２と連
通する。そして、この取付孔２６を石英製の導入管２８
が貫通した後、その一端が流入口２２の内部にも挿入さ
れ、一対の突起２４と係合することで係止される。ま
た、導入管２８には、紙又は金属製のキャップ３０が被
着され、通常、プローブの内部と外部を遮断する。保持
栓１６はその内面にも半円形の凹部３２が形成されてお
り、この凹部３２の内部に試料採取容器１８の下部が嵌
合し、これにより、試料採取容器１８はプローブ１０の
内部に確実に支持される。尚、本実施例では、導入管２
８の係止構造を一対の突起としたが、突起２４に代え
て、図６及び図７に示すように流入口２２に段差３４を
設けてもよい。As shown in FIG. 3, the molten metal sampling probe 10 of the present invention includes a first protective tube 12 having a substantially cylindrical shape,
The second protective pipe 14 is also fitted into the upper end of the first protective pipe 12 and has a substantially cylindrical shape. The lower end of the first protective pipe 12 is closed by a holding plug 16 which is a closing member. In this embodiment, the first protective tube 12 and the second protective tube 14 are made of paper, and the holding plug 16 is made of refractory mortar, shell mold or ceramic. The sample collection container 18 is provided upright between the upper surface of the holding plug 16 and the lower end of the second protective tube 14. The sample collection container 18 is a metal disk and has a wall thickness of about 3.0 to 6 It is millimeter. The sample collection container 18 has a substantially disk-shaped sample collection chamber 20 formed therein.
A cylindrical inlet 22 is provided in the lower part thereof. The inflow port 22 is provided with a pair of protrusions 24 as shown in detail in FIGS. 4 and 5. On the other hand, a cylindrical mounting hole 26 is also formed in the holding plug 16 and communicates with the inflow port 22. Then, the mounting hole 26 is connected to the introduction pipe 28 made of quartz.
After being penetrated, one end thereof is inserted into the inside of the inflow port 22 and locked by engaging with the pair of protrusions 24. A cap 30 made of paper or metal is attached to the introduction tube 28 to normally shut off the inside and outside of the probe. The holding plug 16 also has a semicircular recess 32 formed on the inner surface thereof, and the lower portion of the sample collection container 18 fits inside the recess 32, whereby the sample collection container 18 is securely placed inside the probe 10. Supported by. In this embodiment, the introduction pipe 2
Although the locking structure of 8 is a pair of protrusions, a step 34 may be provided at the inflow port 22 as shown in FIGS. 6 and 7 instead of the protrusion 24.
【００１１】図３に示す実施例において、試料採取室２
０の下端と保持栓１６の下面との間の距離Ｌは約１０ミ
リに設定されている。後程説明するように、この距離は
本発明において重要な意味をもつ。In the embodiment shown in FIG. 3, the sampling chamber 2
The distance L between the lower end of 0 and the lower surface of the holding plug 16 is set to about 10 mm. As will be described later, this distance has an important meaning in the present invention.
【００１２】次に、本発明の溶融金属試料採取プローブ
の作用を説明する。Next, the operation of the molten metal sampling probe of the present invention will be described.
【００１３】先ず、第二保護管１４の上端に金属製の棒
状部材（不図示）を嵌挿して、自動浸漬装置（不図示）
や人手によってプローブの先端部分を溶融金属槽（不図
示）内に浸漬する。浸漬すると、キャップ３０が溶融金
属の熱によって溶損し、溶融金属が導入管２８を経て試
料採取室２０に流入する。この時、試料採取室２０内の
空気はガス抜き穴３６から放出される。溶融金属が試料
採取室２０内に流入したことを確認したら、プローブ１
０全体を溶融金属槽から引き上げる。試料採取室２０内
の溶融金属は熱交換によって冷却され、凝固し始める。First, a metal rod-shaped member (not shown) is inserted into the upper end of the second protective tube 14 and an automatic dipping device (not shown).
The tip of the probe is immersed in a molten metal bath (not shown) by hand or by hand. When soaked, the cap 30 is melted by the heat of the molten metal, and the molten metal flows into the sampling chamber 20 through the introduction pipe 28. At this time, the air in the sampling chamber 20 is discharged from the gas vent hole 36. After confirming that the molten metal has flowed into the sampling chamber 20, the probe 1
The whole 0 is pulled up from the molten metal tank. The molten metal in the sampling chamber 20 is cooled by heat exchange and begins to solidify.
【００１４】プローブ１０を引き上げる時、導入管２８
の管内に流入した溶融金属はその殆どが流れ落ちる。こ
れは、導入管２８が溶融金属と濡れ性が悪く、又、石英
製で熱伝導率が低いことによる。仮に、表面張力の影響
で溶融金属が残留したとしても、その凝固部分の長さは
５ミリ以下である。保持栓１６の下面に溶融金属が若干
付着することがあるが、導入管２８が保持栓１６の下面
から突出しているので、斯かる付着金属と導入管１６内
で凝固した金属とが一体化することはない。When the probe 10 is pulled up, the introduction pipe 28
Most of the molten metal that has flowed into the pipe flows down. This is because the introduction pipe 28 has poor wettability with the molten metal, and is made of quartz and has a low thermal conductivity. Even if the molten metal remains under the influence of the surface tension, the solidified portion has a length of 5 mm or less. Some molten metal may adhere to the lower surface of the holding plug 16, but since the introducing pipe 28 projects from the lower surface of the holding plug 16, the attached metal and the metal solidified in the introducing pipe 16 are integrated. There is no such thing.
【００１５】ところで、保持栓１６の下面から試料採取
室２０の入口までに相当する導入管２８の一部に流入し
た溶融金属は、そのまま凝固する場合と、流れ落ちる場
合とがある。これは、溶融金属の温度や凝固温度に応じ
て決まる。つまり、温度が高い程、そして、凝固温度が
低い程、流れ落ちやすい。又、溶融金属の凝固温度が特
に低い場合は、試料採取室の室内に流れ込んだ溶融金属
も流れ落ちる可能性がある。試料採取室内の溶融金属が
流れ落ちると、試料不足に陥り分析が実施不能となる。
その場合、試料採取室の厚みを厚くすることが考えられ
るが、厚くし過ぎると、冷却効率が低下して、特に溶融
金属の凝固温度が高い場合は溶融金属の流入がスムーズ
でなくなる。この場合、凝固した試料の表面にシワが発
生して研磨に多くの時間を割くことになり、能率が悪
い。By the way, the molten metal flowing into a part of the introduction pipe 28 corresponding to the lower surface of the holding plug 16 to the inlet of the sampling chamber 20 may be solidified as it is or may be dropped. This depends on the temperature of the molten metal and the solidification temperature. That is, the higher the temperature is and the lower the solidification temperature is, the easier the flow is. Further, when the solidification temperature of the molten metal is particularly low, the molten metal that has flowed into the sampling chamber may also flow down. When the molten metal in the sampling chamber flows down, the sample becomes insufficient and analysis becomes impossible.
In that case, it is conceivable to increase the thickness of the sampling chamber, but if the thickness is made too thick, the cooling efficiency will decrease and the inflow of the molten metal will not be smooth especially when the solidification temperature of the molten metal is high. In this case, wrinkles are generated on the surface of the solidified sample, which requires much time for polishing, resulting in poor efficiency.
【００１６】本発明者等は、溶融金属の凝固時間が長い
場合でも十分な量の試料を採取でき且つ凝固時間が短い
場合でもシワのない良好な表面形状の試料を採取できる
試料採取室２０の肉厚を求めて実験を行ったところ、肉
厚を約３．０乃至６ミリの範囲に設定すれば、良好な試
料が得られることを突き止めた。The inventors of the present invention can collect a sufficient amount of a sample even when the molten metal has a long solidification time, and can collect a sample having a good surface shape without wrinkles even when the solidification time is short. When an experiment was conducted to obtain the wall thickness, it was found that a good sample can be obtained by setting the wall thickness in the range of about 3.0 to 6 mm.
【００１７】図８は、以上の如く構成された溶融金属試
料採取プローブ１０を用いて採取した凝固試料を示す斜
視図である。前述した様に保持栓１６の下端と試料採取
室２０の入口との間の距離に相当する導入管２８の長さ
は約１０ミリであり、仮に、保持栓から突出した部分に
相当する導入管の一部で凝固しても、その分の長さは約
５ミリであり、よって、凝固片４２は本実施例において
長くても約１５ミリであり、ロボットの握持に支障をき
たすことはない。FIG. 8 is a perspective view showing a solidified sample collected by using the molten metal sample collecting probe 10 constructed as described above. As described above, the length of the introduction pipe 28 corresponding to the distance between the lower end of the holding plug 16 and the inlet of the sampling chamber 20 is about 10 mm, and the introduction pipe corresponding to the portion protruding from the holding plug is provisionally provided. Even if it is solidified in a part of it, the length is about 5 mm. Therefore, the solidified piece 42 is about 15 mm at the longest in the present embodiment, and it does not hinder the grip of the robot. Absent.
【００１８】尚、本発明の溶融金属試料採取プローブ
に、温度センサ、温度及び酸素測定センサ、凝固温度測
定センサ、凝固室等を備える溶鋼温度測定手段を付設す
ることもできる。The molten metal sample collecting probe of the present invention may be provided with a molten steel temperature measuring means including a temperature sensor, a temperature and oxygen measuring sensor, a solidification temperature measuring sensor, a solidification chamber and the like.
【００１９】[0019]
【発明の効果】以上述べたように、本発明の溶融金属試
料採取プローブは、試料採取容器の周壁に形成した流入
口内に段差又は突起を設けて導入管を係止させせたの
で、流入口が溶融金属試料容器の周壁から突出しない。
よって、採取した溶融金属が凝固した時に、円盤状の本
体から突出する部分が従来のプローブに比べて短くする
ことができ、ロボットを使用した自動分析装置の使用に
適する。As described above, in the molten metal sample collecting probe of the present invention, the step is provided in the inlet formed on the peripheral wall of the sample collecting container so that the introducing pipe is locked. Does not protrude from the peripheral wall of the molten metal sample container.
Therefore, when the collected molten metal is solidified, the portion protruding from the disk-shaped body can be made shorter than that of the conventional probe, which is suitable for use in an automatic analyzer using a robot.
【図１】従来の溶融金属試料採取プローブを示す断面
図。FIG. 1 is a cross-sectional view showing a conventional molten metal sampling probe.
【図２】図１に示す溶融金属試料採取プローブによって
採取された試料の斜視図。FIG. 2 is a perspective view of a sample collected by the molten metal sample collection probe shown in FIG.
【図３】本発明の一実施例に係る溶融金属試料採取プロ
ーブを示す断面図。FIG. 3 is a sectional view showing a molten metal sampling probe according to an embodiment of the present invention.
【図４】図３に示す溶融金属試料採取プローブから取り
出した試料採取室を示す図。4 is a view showing a sampling chamber taken out from the molten metal sampling probe shown in FIG.
【図５】図４に示す試料採取室の底面図。5 is a bottom view of the sampling chamber shown in FIG.
【図６】図４に示す試料採取室の変更例を示す図。FIG. 6 is a diagram showing a modification of the sampling chamber shown in FIG.
【図７】図６に示す試料採取室の底面図。FIG. 7 is a bottom view of the sampling chamber shown in FIG.
【図８】図３の溶融金属試料採取プローブによって採取
された試料の斜視図。8 is a perspective view of a sample taken by the molten metal sampling probe of FIG.
１０ 溶融金属試料採取プローブ １２ 第一保護管１２ １４ 第二保護管１４ １６ 保持栓１６ １８ 試料採取容器 ２０ 試料採取室 ２２ 流入口 ２８ 導入管 ３０ キャップ 10 Molten Metal Sampling Probe 12 First Protective Tube 12 14 Second Protective Tube 14 16 Retaining Plug 16 18 Sampling Container 20 Sampling Chamber 22 Inlet 28 Inlet Pipe 30 Cap
───────────────────────────────────────────────────── フロントページの続き (72)発明者 恩田 考二 千葉県市川市鬼高３−28−23 大阪酸素工 業株式会社市川工場内 (72)発明者 竹添 英隆 兵庫県加古川市金沢町１番地 株式会社神 戸製鋼所加古川製鉄所内 (72)発明者 井上 文雄 兵庫県加古川市金沢町１番地 株式会社神 戸製鋼所加古川製鉄所内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kenji Onda 3-28-23 Onitaka, Ichikawa City, Chiba Prefecture Ichikawa Plant, Osaka Oxygen Industrial Co., Ltd. (72) Hidetaka Takezoe 1 Kanazawa Town, Kakogawa City, Hyogo Prefecture Kadogawa Steel Works, Kakogawa Steel Works Co., Ltd. (72) Fumio Inoue 1 Kanazawa-machi, Kakogawa City, Hyogo Prefecture Kadogawa Steel Works, Kakogawa Steel Works
Claims (4)
させる溶融金属試料採取プローブであって、 略々円筒形の保護部材と、 該保護部材の下端を閉塞する閉塞部材と、 前記保護部材の内部に収納且つ前記閉塞部材上に立設さ
れ、略々円盤状の試料採取室を画成する略々円盤状の金
属製試料採取容器と、 前記閉塞部材を貫通して前記試料採取容器に連結された
導入管とを備え、 前記試料採取容器は、その周壁から突出しない流入口を
有し、該流入口内に段差又は突起を設けて、前記導入管
の挿入端部を該段差又は突起に係止させたことを特徴と
する溶融金属試料採取プローブ。1. A molten metal sample collection probe for collecting and solidifying a molten metal as a sample, comprising a substantially cylindrical protection member, a closing member closing the lower end of the protection member, and a protection member of the protection member. A substantially disk-shaped metallic sample collecting container that is housed inside and is erected on the closing member to define a substantially disk-shaped sample collecting chamber; and a sample collecting container that penetrates through the closing member and is connected to the sample collecting container. The sample collection container has an inflow port that does not protrude from the peripheral wall thereof, and a step or a protrusion is provided in the inflow port so that the insertion end of the introduction pipe is engaged with the step or the protrusion. A molten metal sampling probe characterized by being stopped.
６．０ミリである請求項１に記載の溶融金属試料採取プ
ローブ。2. The molten metal sampling probe according to claim 1, wherein the thickness of the sampling chamber is about 3.0 to 6.0 mm.
の下端までの距離は約１０ミリである請求項１又は２に
記載の溶融金属試料採取プローブ。3. The molten metal sampling probe according to claim 1, wherein the distance from the lower end of the sampling chamber to the lower end of the closing member is about 10 mm.
３の何れかに記載の溶融金属試料採取プローブ。4. The molten metal sampling probe according to claim 1, wherein the introduction tube is made of quartz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7096981A JPH08292186A (en) | 1995-04-21 | 1995-04-21 | Molten metal sample collecting probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7096981A JPH08292186A (en) | 1995-04-21 | 1995-04-21 | Molten metal sample collecting probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08292186A true JPH08292186A (en) | 1996-11-05 |
Family
ID=14179399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7096981A Withdrawn JPH08292186A (en) | 1995-04-21 | 1995-04-21 | Molten metal sample collecting probe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08292186A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100951877B1 (en) * | 2008-03-04 | 2010-04-12 | 우진 일렉트로나이트(주) | Sampling device for direct forwarding of analytical sample |
| KR101715527B1 (en) * | 2015-12-22 | 2017-03-13 | 현대제철 주식회사 | Device for sampler of molten steel |
| CN110487593A (en) * | 2019-09-30 | 2019-11-22 | 倪枫荷 | A kind of liquid metal casting melt sampling analysis device |
-
1995
- 1995-04-21 JP JP7096981A patent/JPH08292186A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100951877B1 (en) * | 2008-03-04 | 2010-04-12 | 우진 일렉트로나이트(주) | Sampling device for direct forwarding of analytical sample |
| KR101715527B1 (en) * | 2015-12-22 | 2017-03-13 | 현대제철 주식회사 | Device for sampler of molten steel |
| CN110487593A (en) * | 2019-09-30 | 2019-11-22 | 倪枫荷 | A kind of liquid metal casting melt sampling analysis device |
| CN110487593B (en) * | 2019-09-30 | 2020-05-15 | 江西鑫航精密铸造有限公司 | Liquid metal pouring melt sampling and analyzing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20020702 |