JPS61221620A - Coil cooling device for electromagnetic level gauge for molten metal in mold - Google Patents

Coil cooling device for electromagnetic level gauge for molten metal in mold

Info

Publication number
JPS61221620A
JPS61221620A JP6468885A JP6468885A JPS61221620A JP S61221620 A JPS61221620 A JP S61221620A JP 6468885 A JP6468885 A JP 6468885A JP 6468885 A JP6468885 A JP 6468885A JP S61221620 A JPS61221620 A JP S61221620A
Authority
JP
Japan
Prior art keywords
coil
cooling
box
water
mold
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
Application number
JP6468885A
Other languages
Japanese (ja)
Inventor
Masami Nakamura
雅巳 中村
Tomoyoshi Koyama
小山 朝良
Terutsune Nishio
西尾 照常
Junichi Murakami
純一 村上
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Sumitomo Heavy Industries Ltd
Original Assignee
Sumitomo Heavy Industries Ltd
Sumitomo Metal Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sumitomo Heavy Industries Ltd, Sumitomo Metal Industries Ltd filed Critical Sumitomo Heavy Industries Ltd
Priority to JP6468885A priority Critical patent/JPS61221620A/en
Publication of JPS61221620A publication Critical patent/JPS61221620A/en
Pending legal-status Critical Current

Links

Landscapes

  • Continuous Casting (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)

Abstract

PURPOSE:To maintain the function of a coil in use in a high temperature state and to improve the durability by arranging the coil in a coil box to which cooling gas is supplied and covering it with a water cooling jacket. CONSTITUTION:A coil box 1 made of a nonmagnetic material having high temperature strength is provided while insulated from a mold copper plate 4, the water cooling jacket 7 which covers the coil 6 is incorporated in the box 1, and piping 10 for purging connected to a cooling gas source is inserted. Then, the coil 6 in the box 1 is cooled with cooling water which flows in the water cooling jacket 7 and cooling air fed through the piping 11 for purging, so that the coil 6 is cooled securely even in a high temperature state. Consequently, the function of the coil is maintained even during the use in the high temperature state and the durability is improved.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、連続鋳造機に設置された電磁式モールド内湯
面レベル計(以下rEMBJと云う)のコイルを冷却す
るための装置に関するものである。
DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a device for cooling the coil of an electromagnetic mold level gauge (hereinafter referred to as rEMBJ) installed in a continuous casting machine. .

(従来の技術) 連続鋳造モールド内溶融金属の湯面レベルを精度良く安
定して計測し、一定レベルに制御することは鋳片品質の
向上、省力化及び操業の安定化の面で極めて重要である
。このために、モールド内湯面レベルの計測に使用され
るレベル計には、検出精度、応答性はもちろん耐久性、
取扱い易さが、それもかなり高度のものが要求される。
(Prior technology) Accurately and stably measuring the level of molten metal in a continuous casting mold and controlling it to a constant level is extremely important in terms of improving slab quality, saving labor, and stabilizing operations. be. For this reason, the level meter used to measure the level of the hot water inside the mold has not only detection accuracy and responsiveness, but also durability.
A fairly high degree of ease of handling is required.

ところでEMBは、放射線を利用したT線透過式(81
式)のモールド内湯面レベル計に比べて安全性が高い、
モールド銅板上端面に設置するため、取付け・取外しが
簡単で作業性が良い。また、検出精度および応答性にも
優れており、モールドパウダーの影響がない、更に、検
出特性の計時変化がない等の多くの利点がある。このた
め、逝年このEMBの開発が進められ(特開昭54−5
3621号)、実際の操業にも使用されるに至っている
By the way, EMB is a T-ray transmission type (81
It is safer than the in-mold level meter (formula).
Since it is installed on the upper end surface of the molded copper plate, installation and removal are easy and workability is good. It also has excellent detection accuracy and responsiveness, and has many advantages such as no influence of mold powder and no change in detection characteristics over time. For this reason, the development of this EMB was advanced in the year of his death (Japanese Unexamined Patent Publication No. 54-5
No. 3621), which has come to be used in actual operations.

(発明が解決しようとする問題点) しかしながら、従来のEMBでは、冷却水通路を加工し
たコイルブロックを製作し、このブロックにコイルを装
着したものをモールド銅板上端面に取付けたものである
ため、穴加工、セラミックコーティング等コイルブロッ
クの製作が繁雑で、製作コストが高くなり、また、コイ
ル本体に比してコイルブロックが、大きさ、重量ともに
がなり嵩ぼるという問題があった。
(Problems to be Solved by the Invention) However, in the conventional EMB, a coil block with a cooling water passage is manufactured, and a coil is attached to this block on the upper end surface of a molded copper plate. There are problems in that the manufacturing of the coil block is complicated, such as hole drilling and ceramic coating, and the manufacturing cost is high, and the coil block is bulky in size and weight compared to the coil body.

そこで、本出願人はこれを解決するための手段として、
特願昭59−197860号を提案した。
Therefore, as a means to solve this problem, the applicant
Patent Application No. 197860/1983 was proposed.

この発明は先に述べた従来の問題点を解決できる有益な
る発明であるが、高熱状態下での使用時における、コイ
ル機能の維持と耐久性の点においてまだ問題があった。
Although this invention is a useful invention that can solve the above-mentioned conventional problems, there are still problems in maintaining the coil function and durability when used under high temperature conditions.

本発明は、本出願人が先に提案した発明における問題点
を解決し、高熱状態下での使用時における、コイル機能
の維持と耐久性の向上をも十分満足できる電磁式モール
ド湯面レベル計のコイル(以下11MBコイル」と云う
)冷却装置を提供せんとするものである。
The present invention solves the problems in the invention previously proposed by the applicant, and provides an electromagnetic molded water level meter that satisfactorily maintains the coil function and improves durability when used under high temperature conditions. 11MB coil (hereinafter referred to as 11MB coil) cooling device.

(問題点を解決するための手段) 本発明は、電磁式モールド内湯面レベル計のコイルを内
設した非磁性で、かつ、高温強度の高い材質よりなるコ
イルボックスをモールド銅板と絶縁して設け、該コイル
ボックスには、前記コイルを覆う水冷ジャケットを内装
すると共に、冷却ガス源と接続されたパージ用配管を挿
設したことを要旨とする電磁式モールド湯面レベル計の
コイル冷却装置である。
(Means for Solving the Problems) The present invention provides a coil box made of a non-magnetic and high-temperature strength material in which a coil of an electromagnetic mold level gauge is installed, and is insulated from the mold copper plate. , a coil cooling device for an electromagnetic molded water level meter, wherein the coil box is equipped with a water cooling jacket that covers the coil, and a purge pipe connected to a cooling gas source is inserted. .

(作用) 本発明に係る電磁式モールド内湯面レベル計のコイル冷
却装置にあっては、コイルボックス内のコイルは、水冷
ジャケットを流れる冷却水による冷却とパージ用配管を
介して給送される冷却エアーによる冷却によって、高熱
状態下においても確実に冷却することができる。
(Function) In the coil cooling device for the electromagnetic mold level meter according to the present invention, the coil in the coil box is cooled by the cooling water flowing through the water cooling jacket and cooled by the cooling water supplied via the purge piping. Cooling with air allows reliable cooling even under high temperature conditions.

(実施例) 以下本発明を添付図面に示す実施例に基づいて説明する
(Example) The present invention will be described below based on an example shown in the accompanying drawings.

図面において、1は非磁性でかつ高温強度の高い材質、
例えばステンレス鋼で形成されたコイルボックスであり
、該コイルボックス1の長手方向端部には、後述するパ
ージ用配管の挿入用孔2と該孔2と同じ側に開口する排
気用の孔3が設けられている。そして、このコイルボッ
クスlは、前記孔2.3がモールドの外側に開口するよ
うに該モールド銅板4の上端に絶縁物5を介して取付け
られている。
In the drawing, 1 is a material that is non-magnetic and has high high temperature strength;
For example, it is a coil box made of stainless steel, and the longitudinal end of the coil box 1 has a hole 2 for inserting a purge pipe, which will be described later, and an exhaust hole 3 that opens on the same side as the hole 2. It is provided. The coil box 1 is attached to the upper end of the molded copper plate 4 via an insulator 5 so that the hole 2.3 opens to the outside of the mold.

6は前記コイルボックスl内に配設されたEMBコイル
であり、該EMBコイル6の例えば上面および一方側面
は水冷ジャケット7によって覆われている。なお、8は
前記水冷ジャケット7に冷却水を供給するための給水管
、9は同じく冷却水を排出するための排水管であり、コ
イルボックズ1の側壁を貫通して水冷ジャケット7に設
けられている。
Reference numeral 6 denotes an EMB coil disposed within the coil box 1, and the top surface and one side of the EMB coil 6 are covered with a water cooling jacket 7, for example. Note that 8 is a water supply pipe for supplying cooling water to the water cooling jacket 7, and 9 is a drain pipe for discharging the cooling water, which is provided in the water cooling jacket 7 by penetrating the side wall of the coil box 1. .

10はエアーパージ用の配管であり、該配管IOの一端
が前記挿入孔2を通してコイルボックスl内に挿入され
、他端は図示しない冷却空気源と接続されている。
Reference numeral 10 designates an air purge pipe, one end of which is inserted into the coil box l through the insertion hole 2, and the other end is connected to a cooling air source (not shown).

11は前記EMBコイル6と結線されたリード線であり
、該リード線llは例えば前記エアーパージ用配管10
内に配置されている。このように、リード線11をエア
ーパージ用配管lO内に配置した場合には、該配管10
内を供給される冷却エアーによって冷却され、かつ、乾
燥されるため、絶縁不良を生じることがない。このこと
は、配管10内に配置されない場合にあっても、コイル
ボックスl内に供給される冷却エアーによって冷却され
、乾燥されるために同様である。
A lead wire 11 is connected to the EMB coil 6, and the lead wire 11 is connected to the air purge pipe 10, for example.
located within. In this way, when the lead wire 11 is disposed inside the air purge piping lO, the piping 10
Since it is cooled and dried by the cooling air supplied inside, there is no possibility of insulation failure. This is true even when the coil box 1 is not placed inside the pipe 10 because it is cooled and dried by the cooling air supplied into the coil box 1.

第3図は本発明に係る冷却装置の他の実施例を示した図
面であり、これは、前記水冷ジャケット7を冷却エアー
ジャケット7′に代え、冷却エアーとして、前記エアー
パージ用配管10内を供給される冷却エアーを使用する
場合のものを示している。
FIG. 3 is a drawing showing another embodiment of the cooling device according to the present invention, in which the water cooling jacket 7 is replaced with a cooling air jacket 7', and the inside of the air purge pipe 10 is used as cooling air. The figure shows the case where supplied cooling air is used.

第4図はエアーパージ用配管10を、接続する場合の実
施例を示したものであり、該配管10内に配置されるリ
ード線11はコネクター12を介して接続され、また、
配管10は接続ソケット13を介して連結されている。
FIG. 4 shows an embodiment in which the air purge piping 10 is connected, and the lead wire 11 disposed inside the piping 10 is connected via a connector 12, and
The pipes 10 are connected via connection sockets 13.

なお、図中14は0リングである。In addition, 14 in the figure is an 0 ring.

(発明の効果) 以上述べた如く本発明は、EMBコイルを冷却ガスが供
給されるコイルボックス内に配設すると共に水冷ジャケ
ットにより覆うことによってEMBコイルを冷却するた
め、冷却ガスのみによって冷却する場合と比較してより
確実に冷却できる。
(Effects of the Invention) As described above, the present invention cools the EMB coil by arranging the EMB coil in a coil box to which cooling gas is supplied and covering it with a water cooling jacket. It can be cooled more reliably compared to

ちなみに、冷却ガスのみの場合には約100℃であった
ものが、本発明装置の場合には50℃以下に保つことが
できる。
Incidentally, in the case of only cooling gas, the temperature was approximately 100°C, but in the case of the apparatus of the present invention, it can be maintained at 50°C or less.

また、本発明によれば、リード線およびケーブルの接続
部を冷却ガスにより冷却かつ乾燥できる為、EMBコイ
ルの耐久性向上に役立つ。
Furthermore, according to the present invention, the connecting portions of the lead wires and cables can be cooled and dried using cooling gas, which helps improve the durability of the EMB coil.

更に、本発明によれば、コイルボックスを、コイルの機
能を損わないよう非磁性で、かつ、熱変形しないよう高
温強度の高い材質で形成した為、その大きさはコイルお
よび水冷ジャケットを収納し、かつ、パージ用配管を挿
入しうる程度で済み、低コストでコンパクトかつ軽量な
ものに製作できるという極めて大なる効果を有する。
Furthermore, according to the present invention, the coil box is made of a material that is non-magnetic so as not to impair the function of the coil and has high strength at high temperatures so as not to be deformed by heat, so that its size is large enough to accommodate the coil and water cooling jacket. Moreover, it has the extremely great effect of being able to be manufactured at low cost, compact and lightweight, with only the insertion of a purge pipe.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本発明の一実施例を一部破断して示す斜視図、
第2図は第1図における矢視■図、第3図は本発明の他
の実施例を断面して示す平面図、第4図はパージ用配管
の他実施例を示す断面図である。 1はコイルボックス、4はモールド銅板、5は絶縁物、
6はEMBコイル、7は水冷ジャケット、10はエアー
パージ用配管。 特許出願人  住友金属工業株式会社 同    住友重機械工業株式会社 第1図 、I? ル 第2図 第3図 第4図 頁の続き 明 者  村 上   純 −新居浜市惣開町5番2号
製造所内 住友重機械工業株式会社新居浜
FIG. 1 is a partially cutaway perspective view of an embodiment of the present invention;
FIG. 2 is a view taken in the direction of arrow 2 in FIG. 1, FIG. 3 is a cross-sectional plan view showing another embodiment of the present invention, and FIG. 4 is a cross-sectional view showing another embodiment of the purge piping. 1 is a coil box, 4 is a molded copper plate, 5 is an insulator,
6 is the EMB coil, 7 is the water cooling jacket, and 10 is the air purge piping. Patent applicant: Sumitomo Metal Industries, Ltd. Sumitomo Heavy Industries, Ltd. Figure 1, I? Figure 2 Figure 3 Figure 4 Continued on page Person: Jun Murakami - 5-2 Sokai-cho, Niihama City, Sumitomo Heavy Industries, Ltd. Niihama

Claims (1)

【特許請求の範囲】[Claims] (1)電磁式モールド内湯面レベル計のコイルを内設し
た非磁性で、かつ、高温強度の高い材質よりなるコイル
ボツクスをモールド銅板と絶縁して設け、該コイルボツ
クスには、前記コイルを覆う水冷ジヤケツトを内装する
と共に、冷却ガス源と接続されたパージ用配管を挿設し
たことを特徴とする電磁式モールド湯面レベル計のコイ
ル冷却装置。
(1) A coil box made of a non-magnetic and high-temperature strength material containing a coil of an electromagnetic mold level gauge is provided insulated from the molded copper plate, and the coil box is provided with a coil box that covers the coil. A coil cooling device for an electromagnetic molded water level gauge, characterized by having a water cooling jacket inside and a purge pipe connected to a cooling gas source inserted therein.
JP6468885A 1985-03-27 1985-03-27 Coil cooling device for electromagnetic level gauge for molten metal in mold Pending JPS61221620A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6468885A JPS61221620A (en) 1985-03-27 1985-03-27 Coil cooling device for electromagnetic level gauge for molten metal in mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6468885A JPS61221620A (en) 1985-03-27 1985-03-27 Coil cooling device for electromagnetic level gauge for molten metal in mold

Publications (1)

Publication Number Publication Date
JPS61221620A true JPS61221620A (en) 1986-10-02

Family

ID=13265342

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6468885A Pending JPS61221620A (en) 1985-03-27 1985-03-27 Coil cooling device for electromagnetic level gauge for molten metal in mold

Country Status (1)

Country Link
JP (1) JPS61221620A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUD20100159A1 (en) * 2010-08-09 2012-02-10 Danieli Automation Spa DEVICE FOR DETECTION OF LIQUID METAL LEVEL IN A CASTING EQUIPMENT AND ITS PROCEDURE
CN106092261A (en) * 2016-07-26 2016-11-09 罗燕 Nested type liquid metals level sensor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUD20100159A1 (en) * 2010-08-09 2012-02-10 Danieli Automation Spa DEVICE FOR DETECTION OF LIQUID METAL LEVEL IN A CASTING EQUIPMENT AND ITS PROCEDURE
WO2012020298A3 (en) * 2010-08-09 2012-04-05 Danieli Automation Spa Device to detect the level of liquid metal in a casting apparatus and relative method
US9404786B2 (en) 2010-08-09 2016-08-02 Danieli Automation Spa Device to detect the level of liquid metal in a casting apparatus and relative method
CN106092261A (en) * 2016-07-26 2016-11-09 罗燕 Nested type liquid metals level sensor

Similar Documents

Publication Publication Date Title
US3463005A (en) Immersion molten metal sampler device
FI77731B (en) NEDSAENKBAR MAETSOND FOER MAETNINGAR AV METALLER I VAETSKEFORM.
CN103954375B (en) Measuring probe for measurements in melted metal or slag
US5015825A (en) Furnace for tensile/fatigue testing
JP5558559B2 (en) Sensor and method for measuring molten metal level
JPS61221620A (en) Coil cooling device for electromagnetic level gauge for molten metal in mold
US5104234A (en) Air cooled thermocouple lance
US5184894A (en) Method of using an immersible air cooled thermocouple
US4261202A (en) Apparatus for determining carbon contents in molten metal
CZ377292A3 (en) Stopper for a metallurgical casting vessel
US4468009A (en) Refractory protection tube for immersion molten metal devices
JPS6176914A (en) Cooling device of molten bath level meter coil in electromagnetic mold
CN110749616B (en) Bottom pouring type experimental device and method for testing hot cracking tendency of alloy
CN209764288U (en) Thermocouple mounting block connected in series into crawler-type heater
KR19990063784A (en) Slag detection method and apparatus
JPS59109819A (en) Electromagnetic flowmeter
CN212748077U (en) Continuous temperature measuring device for casting ladle
US3764395A (en) Immersion thermocouple
JPH0259629A (en) Continuous temperature measuring instrument for molten metal
JPS6314809A (en) Temperature measuring method for bottom of blast furnace
JPS6228626A (en) Continuous temperature measuring meter for molten metal
JPH0443956A (en) Heat resistance type eddy current detector
JPS6428520A (en) Measuring jig
JPS5932906Y2 (en) Blast furnace gas temperature measuring device
JPH04559Y2 (en)