JP3094761B2 - Pouring pot with induction heating device - Google Patents
Pouring pot with induction heating deviceInfo
- Publication number
- JP3094761B2 JP3094761B2 JP05309955A JP30995593A JP3094761B2 JP 3094761 B2 JP3094761 B2 JP 3094761B2 JP 05309955 A JP05309955 A JP 05309955A JP 30995593 A JP30995593 A JP 30995593A JP 3094761 B2 JP3094761 B2 JP 3094761B2
- Authority
- JP
- Japan
- Prior art keywords
- induction heating
- heating device
- pouring pot
- molten metal
- pouring
- 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 - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/005—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like with heating or cooling means
- B22D41/01—Heating means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- General Induction Heating (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、溶解炉などから注湯
ポットが受湯した鋳鉄などの導電性金属の溶湯を、鋳型
などに注湯するときに使用する注湯ポットに関し、特に
誘導加熱装置を備える注湯ポットに係わる。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pouring pot used for pouring a molten metal of a conductive metal such as cast iron, which has been received by a pouring pot from a melting furnace or the like, into a mold or the like, and particularly to induction heating. The present invention relates to a pouring pot provided with a device.
【０００２】[0002]
【従来の技術】注湯ポットは高温の溶湯を蓄えて運搬
し、注湯するための容器である。注湯ポットの外被は溶
湯の重量を支えるために構造用鋼板で構成され、内面は
溶湯の熱に耐えるために耐火材で内張りされる。注湯ポ
ットの上部の周辺の１か所には、鋳型に溶湯を注ぎやす
くするための出湯口が形成される。2. Description of the Related Art Pouring pots are containers for storing, transporting, and pouring hot molten metal. The jacket of the pouring pot is made of a structural steel plate to support the weight of the molten metal, and the inner surface is lined with a refractory material to withstand the heat of the molten metal. At one location around the top of the pouring pot, a tap hole is formed to make it easier to pour the molten metal into the mold.
【０００３】溶解炉で溶解された溶湯は注湯ポットに入
れられた後に、クレーン、ホイストなどの運搬手段によ
り鋳型のあるところまで運ばれる。そこで溶湯は注湯ポ
ットから複数の鋳型に注がれる。一般に、注湯ポット一
杯の溶湯で１０個から４０個ぐらいまでの鋳型に注がれ
る。注湯ポットが溶湯を溶解炉から受けた後に、鋳型に
注ぎ終わるまで１０分から３０分位までの時間を要す
る。この間、溶湯の温度は降下し続けるので鋳造に最低
限必要な温度を下回り、鋳込み不良品を出すことが多く
なる。このため、不良品の発生を防止するため、まだ溶
湯が残っていても、その温度が鋳造に最低限必要な温度
を下回ると、そこで注湯作業は打ち切られる。注湯ポッ
トに残った溶湯は溶解炉に戻されて昇温され、再度、注
湯ポットに入れられて鋳型に鋳込まなければならないの
で、無駄な作業になる。[0003] The molten metal melted in the melting furnace is put into a pouring pot and then transported to a place where a mold is located by a transporting means such as a crane or a hoist. There, the molten metal is poured from a pouring pot into a plurality of molds. Generally, from 10 to about 40 molds are poured with a full pot of molten metal. After the pouring pot receives the molten metal from the melting furnace, it takes about 10 to 30 minutes to finish pouring into the mold. During this time, the temperature of the molten metal continues to fall, so that it falls below the minimum temperature required for casting, and defective castings are often produced. Therefore, in order to prevent the occurrence of defective products, even if the molten metal still remains, if the temperature falls below the minimum temperature required for casting, the pouring operation is stopped there. The molten metal remaining in the pouring pot must be returned to the melting furnace, heated, and again put into the pouring pot and cast into a mold, which is a wasteful operation.
【０００４】このように温度降下した溶湯を再び溶解炉
に戻す無駄な作業を無くすために、予め温度降下を見越
して余分に溶湯を加熱しておくこともされるが、溶湯を
余分に加熱するために無駄なエネルギを必要とする。こ
のような無駄な作業があり、無駄なエネルギを必要とす
るという問題を解決するために、従来、溶湯の温度降下
を補償する誘導加熱装置を備える注湯ポットがある。図
７は従来例１の正面図、図８は従来例２の正面図であ
る。図７は普通の注湯ポット７１、図８は取鍋形の注湯
ポット７２である。図７において、吊り耳７４を持つ注
湯ポット７１は、外被７２の内面が耐火材７３で内張り
されて溶湯１を蓄え、傾動すればつ出湯口７５から溶湯
１を出湯する。溶湯１の温度降下を補償するために注湯
ポット７１の底部にみぞ形誘導加熱装置７６を備える。
図８において、吊り耳８４を持つ注湯ポット８１は、外
被８２の内面が耐火材８３で内張りされて溶湯１を蓄
え、傾動すればつ出湯口８５から溶湯１を出湯する。溶
湯１の温度降下を補償するために注湯ポット７１の底部
にるつぼ形誘導加熱装置８６を備える。In order to eliminate the wasteful work of returning the molten metal whose temperature has dropped in this way to the melting furnace again, it is possible to heat the molten metal in advance in anticipation of the temperature drop. However, the molten metal is heated excessively. Energy is wasted. In order to solve the problem that such wasteful work is required and wasteful energy is required, there has conventionally been a pouring pot provided with an induction heating device for compensating a temperature drop of the molten metal. FIG. 7 is a front view of Conventional Example 1, and FIG. 8 is a front view of Conventional Example 2. 7 shows a normal pouring pot 71, and FIG. 8 shows a ladle-shaped pouring pot 72. In FIG. 7, a pouring pot 71 having hanging ears 74 has an inner surface of a jacket 72 lined with a refractory material 73 to store the molten metal 1, and discharges the molten metal 1 from a tap hole 75 when tilted. A groove-shaped induction heating device 76 is provided at the bottom of the pouring pot 71 to compensate for the temperature drop of the molten metal 1.
In FIG. 8, a pouring pot 81 having hanging ears 84 stores the molten metal 1 with the inner surface of a jacket 82 lined with a refractory material 83, and discharges the molten metal 1 from a tap hole 85 when tilted. A crucible-shaped induction heating device 86 is provided at the bottom of the pouring pot 71 to compensate for the temperature drop of the molten metal 1.
【０００５】[0005]
【発明が解決しようとする課題】前記の両従来例におい
て、溶湯の温度降下を補償できるが、注湯ポット１個に
誘導加熱装置１個を必要とし、注湯ポットに誘導加熱装
置を結合することが大きな作業となる。また、誘導加熱
装置の耐火材が絶えず高温に曝され、事実上１日に１回
の耐火材の補修が必要であり、その都度誘導加熱装置へ
の電気配線と冷却配管を着脱しなければならない。In both of the above conventional examples, the temperature drop of the molten metal can be compensated, but one pouring pot requires one induction heating device, and the pouring pot is connected to the induction heating device. That is a big task. In addition, the refractory material of the induction heating device is constantly exposed to high temperatures, so it is necessary to repair the refractory material once a day, and the electric wiring and the cooling pipe to the induction heating device must be attached and detached each time. .
【０００６】この発明の目的は、溶湯の温度降下が補償
でき、注湯ポットごとに誘導加熱装置を必要とせず、注
湯ポットに誘導加熱装置を結合する作業を不必要とし耐
火材の寿命が長い誘導加熱装置を備える注湯ポットを提
供することにある。SUMMARY OF THE INVENTION It is an object of the present invention to compensate for a temperature drop of a molten metal, eliminate the need for an induction heating device for each pouring pot, eliminate the need for an operation of connecting the induction heating device to the pouring pot, and extend the life of the refractory material. It is to provide a pouring pot provided with a long induction heating device.
【０００７】[0007]
【課題を解決するための手段】発明１の誘導加熱装置を
備える注湯ポットは、注湯ポットと分離して独立し、か
つ溶湯を加熱するための誘導加熱装置の平板状の誘導コ
イルを注湯ポットが蓄える溶湯に隙間を介して対向さ
せ、注湯ポットが傾動するとき、注湯ポットの内周と誘
導加熱装置の外周とが、相互に干渉しない形状と配置と
を持つものである。The pouring pot provided with the induction heating device according to the first aspect of the present invention is independent of the pouring pot and independent of the pouring pot, and is provided with a flat induction coil of the induction heating device for heating the molten metal. The molten metal stored in the hot water pot is opposed to the molten metal via a gap, and when the pouring pot is tilted, the inner periphery of the pouring pot and the outer periphery of the induction heating device have a shape and an arrangement that do not interfere with each other.
【０００８】このとき、発明２は、注湯ポットの外被が
非磁性材から構成されるものであり、発明３は、誘導加
熱装置の誘導コイルの裏面に継鉄を配置するものであ
り、発明４は、誘導加熱装置が商用周波数で駆動される
ものであり、発明５は、誘導加熱装置が垂直方向に移動
可能な昇降装置を備えるものであり、発明６は、注湯ポ
ットの傾動中心が注湯ポットの出湯口の近傍に配置され
るものである。At this time, a second invention is that the jacket of the pouring pot is made of a non-magnetic material, and a third invention is that a yoke is arranged on the back surface of the induction coil of the induction heating device. The invention 4 is that the induction heating device is driven at a commercial frequency, the invention 5 is that the induction heating device is provided with a vertically movable device that can move vertically, and the invention 6 is the tilting center of the pouring pot. Are located near the tap of the pouring pot.
【０００９】[0009]
【作用】発明１によれば、誘導加熱装置は注湯ポットと
分離して独立するから、注湯ポットごとに誘導加熱装置
を必要とせず、注湯ポットに誘導加熱装置を結合する作
業も不必要である。また、平板状の誘導加熱装置は注湯
ポットの溶湯と隙間を介して対向するから、溶湯を加熱
して温度降下を補償するとともに、誘導加熱装置の耐火
材の寿命が長い。注湯ポットが傾動するとき、注湯ポッ
トの内周と誘導加熱装置の外周とが相互に干渉しないか
ら、鋳型への注湯を続けて注湯ポットを傾動させても、
誘導加熱装置が注湯ポットに当たることがなく傾動を進
めることができる。According to the first aspect of the present invention, since the induction heating device is separated and independent from the pouring pot, no induction heating device is required for each pouring pot, and the work of connecting the induction heating device to the pouring pot is not required. is necessary. Further, since the flat induction heating device is opposed to the molten metal of the pouring pot via a gap, the molten metal is heated to compensate for the temperature drop, and the life of the refractory material of the induction heating device is long. When the pouring pot is tilted, since the inner periphery of the pouring pot and the outer periphery of the induction heating device do not interfere with each other, even if the pouring pot is tilted by continuously pouring the mold,
The tilting can be advanced without the induction heating device hitting the pouring pot.
【００１０】発明２によれば、注湯ポットの外被が非磁
性材であるから、磁束が溶湯に鎖交することを妨げない
し、外被が加熱することもない。発明３によれば、継鉄
は磁束密度を上げるとともに、溶湯への磁束の鎖交を容
易にする。発明４によれば、商用周波数で駆動される誘
導加熱装置の電気効率がよい。発明５によれば、溶湯か
ら誘導加熱装置までの高さが溶湯から注湯ポットの上縁
までの高さより小さいときに、昇降装置で一度上昇させ
ておいた誘導加熱装置の下へ注湯ポットを水平に移動で
きる。発明６によれば、傾動中心が出湯口の近傍に配置
されるから、出湯を続けて溶湯が減少しても、出湯口に
よって位置が定まる溶湯の表面は常に傾動中心の近傍に
一定する。このため、床面に対して傾動中心の高さと誘
導加熱装置の高さとを一定に保っても、溶湯と誘導加熱
装置との隙間は常に一定に保たれて適正で誘導加熱が継
続する。また、出湯口の近傍を傾動中心として注湯ポッ
トは傾動するので、出湯口から静かに自然落下する溶湯
の流れの軌跡は殆ど変わらないから、出湯を続けて溶湯
が減少しても、床面に対して鋳型などの位置を調節する
ことなく一定でよい。According to the second aspect, since the jacket of the pouring pot is a non-magnetic material, it does not prevent the magnetic flux from interlinking with the molten metal and the jacket is not heated. According to the third aspect, the yoke increases the magnetic flux density and facilitates the linkage of the magnetic flux to the molten metal. According to the fourth aspect, the electric efficiency of the induction heating device driven at the commercial frequency is high. According to invention 5, when the height from the molten metal to the induction heating device is smaller than the height from the molten metal to the upper edge of the pouring pot, the pouring pot is placed under the induction heating device once raised by the elevating device. Can be moved horizontally. According to the sixth aspect, since the tilting center is arranged near the tap, even if the molten metal decreases as the tapping continues, the surface of the molten metal determined by the tap is always constant near the tilting center. For this reason, even if the height of the center of tilt and the height of the induction heating device with respect to the floor surface are kept constant, the gap between the molten metal and the induction heating device is always kept constant and the induction heating is continued properly and properly. In addition, since the pouring pot is tilted with the vicinity of the tap hole as the center of tilt, the trajectory of the flow of the molten metal that falls naturally from the tap port almost does not change. It may be constant without adjusting the position of the mold or the like.
【００１１】[0011]
【実施例】図１は実施例１の正面図、図２は実施例２の
正面図、図３は図１又は図２の誘導加熱装置の縦断面
図、図４は図３のＡ−Ａ断面を一部に示した平面図、図
５は図２の磁束分布図、図６は実施例３の誘導コイルの
平面図である。従来例及び各図において同一符号をつけ
るものはおよそ同一機能を持ち、重複説明を省くことも
ある。1 is a front view of the first embodiment, FIG. 2 is a front view of the second embodiment, FIG. 3 is a longitudinal sectional view of the induction heating apparatus of FIG. 1 or FIG. 2, and FIG. 5 is a magnetic flux distribution diagram of FIG. 2, and FIG. 6 is a plan view of the induction coil of the third embodiment. In the conventional example and each drawing, the components denoted by the same reference numerals have approximately the same functions, and redundant description may be omitted.
【００１２】図１において、吊り耳用の取手１１を持つ
普通の注湯ポット１２は、外被１３の内面が耐火材１４
で内張りされて溶湯１を蓄え、傾動すればつ出湯口１５
から溶湯１を出湯する。溶湯１の温度降下を補償するた
め、注湯ポット１２が蓄える溶湯１に注湯ポット１２と
分離して独立する誘導加熱装置３１の平板状の誘導コイ
ル３２を隙間を介して対向させる。注湯ポット１２が傾
動するとき、注湯ポット１２の内周と誘導加熱装置３１
の外周とが、相互に干渉しない形状と配置とを持つ。In FIG. 1, an ordinary pouring pot 12 having a handle 11 for hanging ears has a casing 13 whose inner surface is made of a refractory material 14.
To store the molten metal 1 and tilt it if it tilts.
The molten metal 1 In order to compensate for the temperature drop of the molten metal 1, a flat induction coil 32 of an induction heating device 31 that is separated from the molten metal pot 12 and is independent from the molten metal pot 12 is opposed to the molten metal 1 stored in the molten metal pot 12 via a gap. When the pouring pot 12 is tilted, the inner periphery of the pouring pot 12 and the induction heating device 31
Has a shape and arrangement that do not interfere with each other.
【００１３】注湯ポット１２の外被１３は非磁性材から
構成され、誘導加熱装置３１の誘導コイル３２の裏面に
継鉄３３を配置して、誘導加熱装置３１を商用周波数
（５０又は６０Ｈｚ）で駆動する。誘導加熱装置３１が
垂直方向に移動可能な昇降装置３４を備えるとよい。注
湯ポット１２は、取手１１に図示しない吊り耳を掛けて
クレーンなどで移動し、固定したころコンベア１６ａに
載せられ、傾動するころコンベア１６ｂで傾動する。傾
動中心は、出湯口１５の近くのピン１７にあり、移動し
て来た注湯ポット１２のピン１７は固定したフック１８
に嵌まる。The jacket 13 of the pouring pot 12 is made of a non-magnetic material, and a yoke 33 is disposed on the back surface of the induction coil 32 of the induction heating device 31 so that the induction heating device 31 is operated at a commercial frequency (50 or 60 Hz). Drive with The induction heating device 31 may include a vertically movable device 34 that can move in the vertical direction. The pouring pot 12 is moved by a crane or the like with a hanging ear (not shown) attached to the handle 11, placed on a fixed roller conveyor 16a, and tilted by a roller conveyor 16b. The tilting center is located on a pin 17 near the tap hole 15, and the pin 17 of the pouring pot 12 that has moved is fixed to a hook 18.
Fit in.
【００１４】図２に示す実施例２は注湯ポットが取鍋形
の注湯ポット２２である以外は図１と同一構造であり、
取手１１、非磁性の外被２３、耐火材１４、出湯口１
５、ころコンベア１６ａ、１６ｂ、出湯口１５の近くの
ピン１７及びフック１８から構成される。溶湯１に誘導
加熱装置３１の平板状の誘導コイル３２を対向させる。
注湯ポット２２が傾動するとき、注湯ポット２２の内周
と誘導加熱装置３１の外周とが、相互に干渉しない形状
と配置とを持つ。誘導加熱装置３１は継鉄３３を持ち商
用周波数で駆動され、昇降装置３４を持つことも図１と
同一である。Embodiment 2 shown in FIG. 2 has the same structure as FIG. 1 except that the pouring pot is a ladle-shaped pouring pot 22.
Handle 11, non-magnetic jacket 23, refractory material 14, taphole 1
5. Roller conveyors 16a and 16b, a pin 17 near the tap 15 and a hook 18. A flat induction coil 32 of an induction heating device 31 is opposed to the molten metal 1.
When the pouring pot 22 is tilted, the inner periphery of the pouring pot 22 and the outer periphery of the induction heating device 31 have shapes and arrangements that do not interfere with each other. The induction heating device 31 has a yoke 33 and is driven at a commercial frequency, and has an elevating device 34 as in FIG.
【００１５】前記両実施例によれば、誘導加熱装置３１
は注湯ポット１２又は２２と分離して独立するから、注
湯ポットごとに誘導加熱装置３１を必要とせず、注湯ポ
ット１２又は２２に誘導加熱装置３１を結合する作業も
不必要である。また、平板状の誘導加熱装置３１は注湯
ポット１２又は２２の溶湯１と隙間を介して対向するか
ら、溶湯１を加熱して温度降下を補償するとともに、誘
導加熱装置３１の耐火材１４の寿命が長い。注湯ポット
１２又は２２が傾動するとき、注湯ポット１２又は２２
の内周と誘導加熱装置３１の外周とが相互に干渉しない
から、鋳型１９への注湯を続けて注湯ポット１２又は２
２を傾動させても、誘導加熱装置３１が注湯ポットに当
たることがなく傾動を進めることができる。According to the above two embodiments, the induction heating device 31
Is independent of the pouring pot 12 or 22, so that no induction heating device 31 is required for each pouring pot, and the work of connecting the induction heating device 31 to the pouring pot 12 or 22 is unnecessary. In addition, since the flat induction heating device 31 faces the molten metal 1 of the pouring pot 12 or 22 with a gap therebetween, the molten metal 1 is heated to compensate for the temperature drop, and the refractory material 14 of the induction heating device 31 is heated. Long service life. When the pouring pot 12 or 22 tilts, the pouring pot 12 or 22
And the outer periphery of the induction heating device 31 do not interfere with each other.
Even if 2 is tilted, the tilting can be advanced without the induction heating device 31 hitting the pouring pot.
【００１６】そして、注湯ポット１２又は２２の外被１
３又は２３が非磁性材であるから、磁束が溶湯１に鎖交
することを妨げないし、外被１３又は２３が加熱するこ
ともない。継鉄３３は磁束密度を上げるとともに、溶湯
１への磁束の鎖交を容易にする。商用周波数で駆動され
る誘導加熱装置３１の電気効率がよい。溶湯１から誘導
加熱装置３１までの高さが溶湯１から注湯ポット１２又
は２２の上縁までの高さより小さいときに、昇降装置３
４で一度上昇させておいた誘導加熱装置３１の下へ注湯
ポット１２又は２２を水平に移動できる。傾動中心が出
湯口１５の近傍に配置されから、出湯を続けて溶湯１が
減少しても、出湯口１５によって位置が定まる溶湯１の
表面は常に傾動中心の近傍に一定する。このため、床面
に対して傾動中心の高さと誘導加熱装置３１の高さとを
一定に保っても、溶湯１と誘導加熱装置３１との隙間は
常に一定に保たれて適正で誘導加熱が継続する。また、
出湯口１５の近傍を傾動中心として注湯ポット１２又は
２２は傾動するので、出湯口１５から静かに自然落下す
る溶湯の流れの軌跡は殆ど変わらないから、出湯を続け
て溶湯が減少しても、床面に対して鋳型１９などの位置
を調節することなく一定でよい。The jacket 1 of the pouring pot 12 or 22
Since 3 or 23 is a non-magnetic material, it does not prevent the magnetic flux from interlinking with the molten metal 1 and the jacket 13 or 23 is not heated. The yoke 33 increases the magnetic flux density and facilitates the linkage of the magnetic flux to the molten metal 1. The electric efficiency of the induction heating device 31 driven at the commercial frequency is good. When the height from the melt 1 to the induction heating device 31 is smaller than the height from the melt 1 to the upper edge of the pouring pot 12 or 22, the lifting device 3
4, the pouring pot 12 or 22 can be moved horizontally below the induction heating device 31 which has been raised once. Since the tilting center is located near the tap hole 15, even if the molten metal 1 is reduced by continuing the tapping, the surface of the melt 1 whose position is determined by the tap hole 15 is always constant near the tilting center. For this reason, even if the height of the tilting center with respect to the floor surface and the height of the induction heating device 31 are kept constant, the gap between the molten metal 1 and the induction heating device 31 is always kept constant and the induction heating is continued properly and properly. I do. Also,
Since the pouring pot 12 or 22 is tilted with the vicinity of the tap hole 15 as a tilt center, the trajectory of the flow of the molten metal that falls naturally from the tap port 15 is almost unchanged. Alternatively, it may be constant without adjusting the position of the mold 19 or the like with respect to the floor surface.
【００１７】図３及び図４により、誘導加熱装置３１の
詳細な構造を説明する。誘導コイル３２は２段の平板渦
巻状をなし、その裏面（上面）と水平方向とに放射状の
継鉄３３を配置する。誘導コイル３２と継鉄３３の表面
に、絶縁物３５と断熱材３６とを順次に重ねる。そして
継鉄３３と断熱材３６との表面と外周とに耐火性のキャ
スタブル３７を施し、表面の中央部の一部を除いて表面
と外周と裏面とを外枠３８で囲む。外枠３８の裏面から
下方へ延びる吊りフック３９で絶縁物３５を吊り、止め
金具４０でキャスタブル３７を吊る。外枠３８の裏面に
昇降装置３４のための脚４１を固着する。外枠３８の裏
面からは水冷形の誘導コイル３２の端子４２が引き出さ
れ、外枠３８に冷却パイプ４３を当接させて外部から冷
却水を供給し、誘導加熱装置３１を冷却する。Referring to FIGS. 3 and 4, the detailed structure of the induction heating device 31 will be described. The induction coil 32 has a two-stage flat plate spiral shape, and a radial yoke 33 is arranged on the back surface (upper surface) and in the horizontal direction. On the surfaces of the induction coil 32 and the yoke 33, an insulator 35 and a heat insulating material 36 are sequentially stacked. Then, a refractory castable 37 is applied to the surface and the outer periphery of the yoke 33 and the heat insulating material 36, and the surface, the outer periphery, and the back surface are surrounded by an outer frame 38 except for a part of the center of the surface. The insulator 35 is hung by the hanging hook 39 extending downward from the back surface of the outer frame 38, and the castable 37 is hung by the stopper 40. A leg 41 for the lifting device 34 is fixed to the back surface of the outer frame 38. A terminal 42 of the water-cooled induction coil 32 is drawn out from the back surface of the outer frame 38, and a cooling pipe 43 is brought into contact with the outer frame 38 to supply cooling water from outside, thereby cooling the induction heating device 31.
【００１８】図５に示す図２の磁束分布図において、中
心部の磁束は密度が高いので図示を省略する。磁束が溶
湯１に鎖交しているのがよく判る。周波数は１５０Ｈｚ
〜１０ｋＨｚの中周波数より５０又は６０Ｈｚの商用周
波数のほうが電気効率がよいことが実験で確かめられ
た。図６に示す実施例３の誘導コイル６０は平板方形状
をなすが、平板渦巻状の誘導コイル３２に代えて平板方
形状の誘導コイル６０を使用してもよい。In the magnetic flux distribution diagram of FIG. 2 shown in FIG. 5, since the magnetic flux at the center has a high density, illustration is omitted. It can be clearly seen that the magnetic flux is linked to the molten metal 1. Frequency is 150Hz
Experiments have shown that a commercial frequency of 50 or 60 Hz has better electrical efficiency than a medium frequency of 10 kHz. Although the induction coil 60 of the third embodiment shown in FIG. 6 has a flat rectangular shape, a flat rectangular induction coil 60 may be used instead of the flat spiral induction coil 32.
【００１９】[0019]
【発明の効果】発明１の誘導加熱装置を備える注湯ポッ
トによれば、誘導加熱装置は注湯ポットと分離して独立
する。このため、注湯ポットごとに誘導加熱装置を必要
とせず、注湯ポットに誘導加熱装置を結合する作業も不
必要であり、平板状の誘導加熱装置は傾動中も注湯ポッ
トの溶湯と隙間を介して対向するから、溶湯を加熱して
温度降下を補償するとともに、誘導加熱装置の耐火材の
寿命が長いという効果がある。According to the pouring pot provided with the induction heating device of the first aspect, the induction heating device is separated and independent from the pouring pot. For this reason, an induction heating device is not required for each pouring pot, and the work of coupling the induction heating device to the pouring pot is unnecessary. Therefore, there is an effect that the molten metal is heated to compensate for the temperature drop and the life of the refractory material of the induction heating device is long.
【００２０】このとき、発明２によれば、注湯ポットの
外被が非磁性材であるから、磁束が溶湯に鎖交すること
を妨げないし、外被が加熱することもないという効果が
ある。発明３によれば、継鉄は磁束密度を上げるととも
に、溶湯への磁束の鎖交を容易にするという効果があ
る。発明４によれば、商用周波数で駆動される誘導加熱
装置の電気効率がよいという効果がある。発明５によれ
ば、溶湯から誘導加熱装置までの高さが溶湯から注湯ポ
ットの上縁までの高さより小さいときに、昇降装置で一
度上昇させておいた誘導加熱装置の下へ注湯ポットを水
平に移動できるという効果がある。発明６によれば、傾
動中心が出湯口の近傍に配置されるから、出湯口によっ
て位置が定まる溶湯の表面は常に傾動中心の近傍に一定
し、床面に対して傾動中心の高さと誘導加熱装置の高さ
とを一定に保っても、溶湯と誘導加熱装置との隙間は常
に一定に保たれて適正な誘導加熱が継続するという効果
があり、また、出湯口の近傍を傾動中心として注湯ポッ
トは傾動するので、出湯口から静かに自然落下する溶湯
の流れの軌跡は殆ど変わらないから、出湯を続けて溶湯
が減少しても、床面に対して鋳型などの位置を調節する
ことなく一定でよいという効果がある。In this case, according to the second aspect of the present invention, since the jacket of the pouring pot is made of a non-magnetic material, there is an effect that the magnetic flux does not interfere with the molten metal and the jacket is not heated. . According to the third aspect, the yoke has the effect of increasing the magnetic flux density and facilitating the linkage of the magnetic flux to the molten metal. According to the fourth aspect, there is an effect that the induction heating device driven at the commercial frequency has good electric efficiency. According to invention 5, when the height from the molten metal to the induction heating device is smaller than the height from the molten metal to the upper edge of the pouring pot, the pouring pot is placed under the induction heating device once raised by the elevating device. There is an effect that can be moved horizontally. According to the sixth aspect, since the tilting center is disposed near the tap, the surface of the molten metal determined by the tap is always constant near the tilting center, and the height of the tilting center with respect to the floor surface and the induction heating Even if the height of the device is kept constant, the gap between the molten metal and the induction heating device is always kept constant, so that proper induction heating can be continued. Because the pot tilts, the trajectory of the flow of the molten metal that falls naturally from the tap is almost the same, so even if the molten metal continues to drop and the molten metal decreases, without adjusting the position of the mold etc. with respect to the floor surface This has the effect of being constant.
【図１】実施例１の正面図FIG. 1 is a front view of a first embodiment.
【図２】実施例２の正面図FIG. 2 is a front view of a second embodiment.
【図３】図１又は図２の誘導加熱装置の縦断面図FIG. 3 is a longitudinal sectional view of the induction heating device of FIG. 1 or 2;
【図４】図３のＡ−Ａ断面を一部に示した平面図FIG. 4 is a plan view partially showing an AA cross section of FIG. 3;
【図５】図２の磁束分布図FIG. 5 is a magnetic flux distribution diagram of FIG. 2;
【図６】実施例３の誘導コイルの平面図FIG. 6 is a plan view of an induction coil according to a third embodiment.
【図７】従来例１の正面図FIG. 7 is a front view of Conventional Example 1.
【図８】従来例２の正面図FIG. 8 is a front view of Conventional Example 2.
１ 溶湯 １１ 取手 １２ 注湯ポット １３ 外被 １４ 耐火材 １５ 出湯口 １６ａ ころコンベア １６ｂ ころコン
ベア １７ ピン １８ フック １９ 鋳型 ２２ 注湯ポッ
ト ２３ 外被 ３１ 誘導加熱
装置 ３２ 誘導コイル ３３ 継鉄REFERENCE SIGNS LIST 1 molten metal 11 handle 12 pouring pot 13 jacket 14 refractory material 15 tap hole 16a roller conveyor 16b roller conveyor 17 pin 18 hook 19 mold 22 pouring pot 23 jacket 31 induction heating device 32 induction coil 33 yoke
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平２−247074（ＪＰ，Ａ) 特開 昭51−52333（ＪＰ，Ａ) 特開 昭48−103424（ＪＰ，Ａ) 特開 平３−125898（ＪＰ，Ａ) 実開 平５−60657（ＪＰ，Ｕ) 実開 昭60−181256（ＪＰ，Ｕ) 実開 昭57−92452（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) B22D 41/015 B22D 41/05 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-2-247707 (JP, A) JP-A-51-52333 (JP, A) JP-A-48-103424 (JP, A) 125898 (JP, A) Japanese Utility Model 5-60657 (JP, U) Japanese Utility Model 60-181256 (JP, U) Japanese Utility Model Application 57-92452 (JP, U) (58) Fields surveyed (Int. 7 , DB name) B22D 41/015 B22D 41/05
Claims (6)
加熱するための誘導加熱装置の平板状の誘導コイルを注
湯ポットが蓄える溶湯に隙間を介して対向させ、注湯ポ
ットが傾動するとき、注湯ポットの内周と誘導加熱装置
の外周とが、相互に干渉しない形状と配置とを持つこと
を特徴とする誘導加熱装置を備える注湯ポット。 1. The molten metal is separated and independent from a pouring pot.
Inject the flat induction coil of the induction heating device for heating
When the pouring pot is inclined, the inner periphery of the pouring pot and the outer periphery of the induction heating device have a shape and an arrangement that do not interfere with each other when the molten metal stored in the hot water pot is opposed to the molten metal via a gap. Pouring pot with induction heating device.
ポットにおいて、注湯ポットの外被が非磁性材から構成
されることを特徴とする誘導加熱装置を備える注湯ポッ
ト。2. A pouring pot provided with the induction heating device according to claim 1, wherein the jacket of the pouring pot is made of a non-magnetic material.
る注湯ポットにおいて、誘導加熱装置の平板状の誘導コ
イルの裏面に継鉄を配置することを特徴とする誘導加熱
装置を備える注湯ポット。3. A pouring pot provided with the induction heating device according to claim 1 or 2, wherein a yoke is arranged on the back surface of the flat induction coil of the induction heating device. Hot water pot.
備える注湯ポットにおいて、誘導加熱装置が商用周波数
で駆動されることを特徴とする誘導加熱装置を備える注
湯ポット。4. A pouring pot provided with the induction heating device according to claim 1, 2 or 3, wherein the induction heating device is driven at a commercial frequency.
置を備える注湯ポットにおいて、溶湯を加熱するための
誘導加熱装置が垂直方向に移動可能な昇降装置を備える
ことを特徴とする誘導加熱装置を備える注湯ポット。5. A pouring pot provided with the induction heating device according to claim 1, wherein the induction heating device for heating the molten metal has a vertically movable device capable of moving vertically. A pouring pot provided with an induction heating device.
熱装置を備える注湯ポットにおいて、注湯ポットの傾動
中心が注湯ポットの出湯口の近傍に配置されることを特
徴とする誘導加熱装置を備える注湯ポット。6. A pouring pot provided with the induction heating device according to claim 1, wherein the tilting center of the pouring pot is arranged near the outlet of the pouring pot. Pouring pot equipped with an induction heating device.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05309955A JP3094761B2 (en) | 1993-12-10 | 1993-12-10 | Pouring pot with induction heating device |
| TW083110987A TW272953B (en) | 1993-12-10 | 1994-11-25 | |
| MYPI94003208A MY111808A (en) | 1993-12-10 | 1994-12-02 | Molten metal pouring pot with induction heater |
| DE69424380T DE69424380T2 (en) | 1993-12-10 | 1994-12-07 | Casting ladle with an induction heater, for molten metal |
| EP94119315A EP0657236B1 (en) | 1993-12-10 | 1994-12-07 | Molten metal pouring pot with induction heater |
| CN94112901A CN1056326C (en) | 1993-12-10 | 1994-12-09 | Molten metal pouring pot with induction heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05309955A JP3094761B2 (en) | 1993-12-10 | 1993-12-10 | Pouring pot with induction heating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07155934A JPH07155934A (en) | 1995-06-20 |
| JP3094761B2 true JP3094761B2 (en) | 2000-10-03 |
Family
ID=17999370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP05309955A Expired - Fee Related JP3094761B2 (en) | 1993-12-10 | 1993-12-10 | Pouring pot with induction heating device |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0657236B1 (en) |
| JP (1) | JP3094761B2 (en) |
| CN (1) | CN1056326C (en) |
| DE (1) | DE69424380T2 (en) |
| MY (1) | MY111808A (en) |
| TW (1) | TW272953B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9144631B2 (en) | 2003-01-27 | 2015-09-29 | Benedicte Asius | Ceramic-based injectable implants which are used to fill wrinkles, cutaneous depressions and scars, and preparation method thereof |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100402193C (en) * | 2004-05-18 | 2008-07-16 | 深圳派瑞科冶金材料有限公司 | Liquid metal container bottom heating device and application thereof |
| TWI386262B (en) | 2004-09-01 | 2013-02-21 | Commw Scient Ind Res Org | Alloy casting apparatus |
| JP2016107333A (en) * | 2014-11-28 | 2016-06-20 | 白岩 慎一郎 | Nonferrous metal melting furnace, nonferrous metal melting method and nonferrous metal melting equipment |
| CN107511474B (en) * | 2017-08-04 | 2019-12-10 | 福建圣力智能工业科技股份有限公司 | Heating mechanism for continuous casting machine |
| CN109175340A (en) * | 2018-11-08 | 2019-01-11 | 山东杰创机械有限公司 | A kind of casting positioning casting ladle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH439603A (en) * | 1966-05-25 | 1967-07-15 | Olsson Ag Erik | Casting vessel for metallic melts |
| SE415535B (en) * | 1978-06-13 | 1980-10-13 | Asea Ab | DEVICE FOR CONTINUOUS CASTING, LIKE STRING CASTING |
| DE2906634A1 (en) * | 1979-02-09 | 1980-08-21 | Bbc Brown Boveri & Cie | INDUCTION OVENS |
| JPS5756143A (en) * | 1980-09-22 | 1982-04-03 | Kawasaki Steel Corp | Method for heating molten steel in tandish in continuous casting process |
| GB2226261B (en) * | 1988-12-20 | 1992-10-14 | Rolls Royce Plc | Apparatus for pouring molten metals |
| GB8829689D0 (en) * | 1988-12-20 | 1989-02-15 | Rolls Royce Plc | Clean melting of superalloys |
-
1993
- 1993-12-10 JP JP05309955A patent/JP3094761B2/en not_active Expired - Fee Related
-
1994
- 1994-11-25 TW TW083110987A patent/TW272953B/zh active
- 1994-12-02 MY MYPI94003208A patent/MY111808A/en unknown
- 1994-12-07 EP EP94119315A patent/EP0657236B1/en not_active Expired - Lifetime
- 1994-12-07 DE DE69424380T patent/DE69424380T2/en not_active Expired - Fee Related
- 1994-12-09 CN CN94112901A patent/CN1056326C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9144631B2 (en) | 2003-01-27 | 2015-09-29 | Benedicte Asius | Ceramic-based injectable implants which are used to fill wrinkles, cutaneous depressions and scars, and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1056326C (en) | 2000-09-13 |
| MY111808A (en) | 2001-01-31 |
| TW272953B (en) | 1996-03-21 |
| DE69424380D1 (en) | 2000-06-15 |
| EP0657236A1 (en) | 1995-06-14 |
| CN1109807A (en) | 1995-10-11 |
| EP0657236B1 (en) | 2000-05-10 |
| JPH07155934A (en) | 1995-06-20 |
| DE69424380T2 (en) | 2000-08-24 |
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