WO2010119777A1 - 溶湯処理設備と溶湯処理方法およびそれを用いた溶湯搬送ライン - Google Patents
溶湯処理設備と溶湯処理方法およびそれを用いた溶湯搬送ライン Download PDFInfo
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- WO2010119777A1 WO2010119777A1 PCT/JP2010/055924 JP2010055924W WO2010119777A1 WO 2010119777 A1 WO2010119777 A1 WO 2010119777A1 JP 2010055924 W JP2010055924 W JP 2010055924W WO 2010119777 A1 WO2010119777 A1 WO 2010119777A1
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- molten metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/20—Measures not previously mentioned for influencing the grain structure or texture; Selection of compositions therefor
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- 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
- B22D41/06—Equipment for tilting
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1026—Alloys containing non-metals starting from a solution or a suspension of (a) compound(s) of at least one of the alloy constituents
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- the present invention relates to a facility for performing graphite spheroidizing treatment and cutting (slag) removal in a molten metal conveying line in a casting factory, and a method for performing graphite spheroidizing treatment and cutting using the facility.
- Patent Document 1 JP-A-11-207458
- Patent Document 1 has a problem in that since the graphite spheroidizing treatment place and the slotting place are separated from each other, the entire facility becomes large, increasing the cost and enlarging the entire route for conveying the molten metal. In addition, since the graphite spheroidizing process is performed and the sheet is transported to the slot removing position, there is a problem that the time leads to the extension of the cycle time of pouring the mold into the mold.
- the present invention can realize a space saving of the molten metal conveyance line to make the equipment compact, and the time for sending to the next process (for example, a pouring process) is shortened.
- An object of the present invention is to provide a molten metal treatment facility that can reduce the cycle time.
- the molten metal treatment facility of the present invention is a method of spheroidizing graphite using a graphite spheroidizing agent on the molten metal in the capped ladle, opening and closing the lid and performing the graphite spheroidizing treatment of the molten metal in the ladle.
- a graphite spheroidizing device that spheroidizes graphite by adding an agent, a lid opening and closing device that opens and closes the lid by raising and lowering the lid of the ladle, and tilting the ladle transport support device together with the ladle It features a ladle tilting device.
- the graphite spheroidization treatment and the subsequent slotting are performed in the same place, so that the equipment can be made compact, cost reduction and space saving of the molten metal conveying line can be realized. Further, since the time to be sent to the next process is shortened, cycle time can be shortened.
- FIG. 2 is a diagram illustrating a first embodiment of a molten metal transport line using the molten metal processing facility of the present invention.
- FIG. 5 is a diagram showing a second embodiment of a molten metal transport line using the molten metal processing facility of the present invention.
- FIG. 1 is a diagram showing an embodiment of the present invention, and is a schematic view of a molten metal conveyance line using a molten metal processing facility.
- the molten metal treatment facility A is disposed along the molten metal conveyance line B.
- the molten metal transfer line B travels on a track B1 from a melting facility E having a melting furnace for melting a material such as iron or a holding furnace for holding the molten metal to a pouring facility F for casting the molten metal into a mold.
- a melting facility E having a melting furnace for melting a material such as iron or a holding furnace for holding the molten metal to a pouring facility F for casting the molten metal into a mold.
- the ladle C used in the present invention is used in the molten metal conveyance line B, and a lid D is placed so as to close the upper part.
- the lid D is provided with an inlet D1 for introducing the graphite spheroidizing agent and a handle D2 for lifting the lid at the top.
- FIG. 2 is a schematic front view of the molten metal treatment facility according to the embodiment of the present invention.
- the molten metal treatment equipment A has a gantry frame A1 made of H steel or the like, and the ladle C for conveying and supporting the ladle C inside the cradle frame A1.
- a pan conveyance support device 1 is arranged.
- the ladle conveyance support device 1 is configured to stop a ladle at a predetermined position, a roller conveyor 1a including a plurality of rollers 1aA and a roller driving device 1aB that rotates the rollers forward and backward. It consists of a backrest 1b for supporting when tilting.
- the ladle is supported by the roller 1aA and moves on the roller 1aA by the rotation of the roller by the roller driving device 1aB.
- the said roller conveyor B3 used with the said molten metal conveyance line B is the same as the roller conveyor 1a of the said ladle conveyance support apparatus.
- the upper ladle frame A1 in which the ladle C is transported to a predetermined position inside the gantry frame A1 by the ladle conveyance support device 1 includes a graphite spheroidizing device 2 and a lid opening and closing device 3. And are installed.
- the graphite spheroidizing apparatus 2 is for spheroidizing graphite by introducing Mg wire A2 which is a graphite spheroidizing agent through an inlet D1 provided in the lid D.
- the graphite spheroidizing apparatus 2 takes out the Mg wire A2 as a linear Mg wire A2 from an Mg roll (not shown) bundled in a coil shape, and sends it out while drawing a circular arc and a straight line.
- the wire guide 2b guides the Mg wire A2 toward the insertion port D1.
- the lid opening / closing device 3 includes an opening / closing arm 3a for supporting the handle D2 of the lid D of the ladle C at a predetermined position from below, and a lid lifting / lowering device 3b for moving the opening / closing arm 3a up and down.
- the ladle tilting device 4 is a cylinder 4a that tilts the ladle transporting support device 1 about the tilting axis A3.
- the cylinder 4a is connected to the ladle transporting support device 1 as shown in FIG. Two are arranged.
- the front end 4b of the cylinder 4a is pivotally supported by a tilting bracket 4c attached to the ladle conveyance support device 1, respectively.
- the ladle C that has received the molten metal from the melting equipment E of the molten metal conveying line B shown in FIG. 1 is closed by a lid closing means (not shown) that closes the lid so that the molten metal does not cool.
- the ladle C is conveyed to the molten metal treatment facility A of the present invention.
- the ladle C that has been transported is moved in the direction of arrow G1 by the ladle transport support device 1 and transported to a predetermined position of the molten metal treatment facility A. This predetermined position is also a position in contact with the backrest 1b on the ladle transport support device 1. As a result, the ladle C can be stopped at a fixed position.
- the wire supply device 2a of the graphite spheroidizing device 2 is activated, and the Mg wire A2 is introduced from the Mg roll along the wire guide 2b into the inlet D1 of the lid and into the molten metal in the ladle C.
- the molten metal is spheroidized into graphite.
- the graphite spheroidizing treatment is performed by wire injection using Mg wire, but the graphite spheroidizing agent is not particularly limited as long as it makes graphite spheroidizing.
- the graphite spheroidizing treatment using the graphite spheroidizing agent is performed, but it can be applied not only to the graphite spheroidizing but also to an improved treatment using another inoculum.
- the lid D is subjected to a graphite spheroidizing process while being closed. This is to prevent the molten metal from splashing from the ladle C due to the graphite spheroidization treatment.
- gas since gas is generated, it is for preventing gas from divergence.
- the lid lifting / lowering device 3b of the lid opening / closing device 3 is operated to lift the lid D while supporting the lower part of the lid handle D2 by the opening / closing arm 3a.
- the ladle tilting device 4 is operated, and as shown in FIG. 3, the ladle C is tilted in the direction of the arrow G2 together with the ladle transporting support device 1 about the tilting axis A3.
- the ladle C is supported by the backrest 1b.
- the slot in the ladle C is removed.
- the removal for example, the removal can be carried out at the removal operation position A4 or a removal device can be used.
- the ladle tilting device 4 is operated, and the lid lifting device 3 is operated to return to the original position as shown in FIG.
- the graphite spheroidization treatment and the slotting are performed at the same place.
- FIG. 5 shows a first embodiment of a molten metal transport line using the molten metal processing facility of the present invention.
- a melting furnace E for melting a material such as iron or a holding furnace for holding the molten metal
- a melting facility E for receiving the molten metal into a ladle C
- a ladle A molten metal treatment facility A for performing spheroidizing treatment on the molten metal and removing the paste
- a pouring facility F for casting the molten metal into the mold
- a track B1 communicating between the melting facility and the pouring facility
- a ladle And a carriage B2 that travels on the track B1.
- the molten metal processing equipment A is arranged along the track B1. Furthermore, the pouring equipment F includes a plurality of automatic pouring apparatuses F1.
- the operation of the molten metal conveyance line configured as described above will be described.
- the ladle C is always placed on the carriage B2 and moved.
- the cart B2 travels on the track B1, moves the ladle C to the melting equipment E, and receives the molten metal in the ladle C with the melting equipment E.
- the ladle C that has received the molten metal moves again on the track B1 by the carriage B2, and is conveyed to the position of the molten metal processing facility A.
- the molten metal in the ladle C transported to the molten metal processing facility A is subjected to graphite spheroidization processing or removal by the molten metal processing facility A.
- the ladle C that has been subjected to the molten metal treatment in the molten metal treatment facility A moves again on the track B1 by the carriage B2, and is conveyed to the pouring facility.
- the ladle C receives the molten metal at the melting equipment E, is treated with the molten metal processing equipment A, and is conveyed to the pouring equipment F.
- the track B1 can take various routes depending on the layout of the foundry, and there may be a plurality of carts B2 traveling on the track B1 as shown in FIG. As long as there are a plurality of ladles, a plurality of automatic pouring apparatuses can be quickly handled, and the ladle transport interval can be shortened.
- a single pouring device can be used, and if there are a plurality of automatic pouring apparatuses, the interval between pouring can be shortened or a high-speed mold making machine can be used.
- FIG. 6 shows a second embodiment of the molten metal conveying line using the molten metal processing facility of the present invention.
- the molten metal conveying line shown in FIG. 6 includes a melting furnace E for melting a material such as iron or a holding furnace for holding the molten metal, and a melting facility E for receiving the molten metal into the ladle C; Adjacent to the melting equipment, the molten metal processing equipment A for performing spheroidizing treatment on the molten metal inside and removing the paste, the pouring equipment F provided with a plurality of automatic pouring devices F1 for casting the molten metal into the mold A first track B1a, a first cart B2a on which a ladle is placed and travels on the first track B1a, a first roller conveyor B3a that is orthogonal to the first track B1a and receives the ladle C from the first cart B2a A second roller conveyor B3b that communicates with a position corresponding
- the molten metal processing facility A is arranged along the first track B1a.
- the operation of the molten metal conveyance line configured as described above will be described.
- the first carriage B2a travels on the first track B1a, moves the ladle C to the melting equipment E, and receives the molten metal in the ladle C with the melting equipment E.
- the ladle C that has received the molten metal moves again on the first track B1a by the first carriage B2a and is conveyed to the position of the molten metal processing facility A.
- the molten metal in the ladle C transported to the molten metal processing facility A is subjected to graphite spheroidization processing or removal by the molten metal processing facility A.
- the ladle C that has been subjected to the molten metal treatment in the molten metal treatment facility A is moved again on the first track B1a by the first carriage B2a, and is transferred to the first roller conveyor B3a.
- the first roller conveyor B3a is operated to move the ladle C onto the second carriage B2b on the second track B1b.
- the second carriage B2b travels on the second track B1b and transfers the ladle C to the second roller conveyor B3b.
- the second roller conveyor B3b is operated to convey the ladle C to the automatic pouring device F1 of the pouring equipment F.
- the ladle C receives the molten metal in the melting equipment E, is melted in the molten metal processing equipment A, and is transported to the pouring equipment F.
- the number of second roller conveyors B3b can be further increased depending on the number of automatic pouring devices F1 of the pouring equipment F. In that case, it is possible to cope with a high-speed mold making machine.
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- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
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Abstract
Description
図1は、本発明の一実施の形態を示す図であって、溶湯処理設備を用いた溶湯搬送ラインの概略図である。
本発明で用いられる取鍋Cは、前記溶湯搬送ラインBで使用されるもので、上部を塞ぐように蓋Dが載置されている。該蓋Dは、黒鉛球状化剤を投入するための投入口D1と、上部に前記蓋を持ち上げるための取手D2が設けられている。
図2に示すように、溶湯処理設備Aは、H鋼などによって架台フレームA1が構成されており、前記架台フレームA1に囲まれた内部に、取鍋Cを搬送し、支持するための前記取鍋搬送支持装置1が配置されている。
なお、前記溶湯搬送ラインBで使用される前記ローラコンベヤB3は、前記取鍋搬送支持装置のローラコンベヤ1aと同じものである。
図1に示される溶湯搬送ラインBの溶解設備Eから溶湯を受け取った取鍋Cは、溶湯が冷めないよう蓋を閉める蓋閉手段(図示せず)により蓋Dを閉められる。
つぎに、図2に示されるように、前記取鍋Cは、本発明の溶湯処理設備Aに搬送されてくる。搬送されてきた前記取鍋Cは、取鍋搬送支持装置1によって矢印G1の方向へ動かされ、溶湯処理設備Aの所定位置まで搬送される。この所定位置とは、前記取鍋搬送支持装置1上で、バックレスト1bと接触する位置でもある。これによって常に決まった位置で前記取鍋Cを停止させることができる。
ここで、前記蓋Dは、閉めたまま黒鉛球状化処理を行う。これは、黒鉛球状化処理に伴い、溶湯が跳ね、取鍋Cから溶湯が飛び散らないようにするためである。また、ガスが発生するのでガスが発散しないようにするためである。
つぎに、本発明の溶湯処理設備を用いた溶湯搬送ラインについて説明する。図5は、本発明の溶湯処理設備を用いた溶湯搬送ラインの第1の実施の形態を示している。
図5に示す溶湯搬送ラインは、鉄などの材料を溶解させる溶解炉もしくは溶解させた溶湯を保持する保持炉を有するとともに該溶湯を取鍋Cへ受湯させる溶解設備Eと、取鍋の中の溶湯に黒鉛球状化処理を行うとともにノロを除去する溶湯処理設備Aと、鋳型へ溶湯を鋳込む注湯設備Fと、溶解設備と注湯設備との間を連絡する軌道B1と、取鍋が載置され軌道B1上を走行する台車B2とで構成されている。
取鍋Cは、常に台車B2に載置されて移動する様になっている。そして、前記台車B2は軌道B1上を走行し前記取鍋Cを溶解設備Eまで移動させて、溶解設備Eで取鍋Cに溶湯を受湯する。次いで、溶湯を受湯した取鍋Cは、再び前記台車B2によって前記軌道B1上を移動して、溶湯処理設備Aの位置まで搬送される。次いで、溶湯処理設備Aに搬送された取鍋Cの溶湯は、溶湯処理設備Aで黒鉛球状化処理やノロ取りをされる。そして、溶湯処理設備Aで溶湯処理された取鍋Cは、再び前記台車B2によって前記軌道B1上を移動して、注湯設備まで搬送される。
つぎに、図6は、本発明の溶湯処理設備を用いた溶湯搬送ラインの第2の実施の形態を示している。図6に示す溶湯搬送ラインは、鉄などの材料を溶解させる溶解炉もしくは溶解させた溶湯を保持する保持炉を有するとともに該溶湯を取鍋Cへ受湯させる溶解設備Eと、取鍋Cの中の溶湯に黒鉛球状化処理を行うとともにノロを除去する溶湯処理設備Aと、鋳型へ溶湯を鋳込む複数の自動注湯装置F1を備えている注湯設備Fと、溶解設備に隣接される第1軌道B1aと、取鍋が載置され第1軌道B1a上を走行する第1台車B2aと、第1軌道B1aと直交し第1台車B2aから前記取鍋Cを受け取る第1ローラコンベアB3aと、注湯設備の複数の自動注湯装置F1それぞれに対応する位置へ連絡する第2ローラコンベアB3bと、第1ローラコンベアと第2ローラコンベアとの間に配置された第2軌道B1bと、第2軌道B1b上を走行し、取鍋Cを第1ローラコンベアB3aから第2ローラコンベアB3bに移し変える第2台車B2bとから構成されている。
第1台車B2aは、第1軌道B1a上を走行し、取鍋Cを溶解設備Eまで移動させて、溶解設備Eで取鍋Cに溶湯を受湯する。次いで、溶湯を受湯した取鍋Cは、再び前記第1台車B2aによって前記第1軌道B1a上を移動して、溶湯処理設備Aの位置まで搬送される。次いで、溶湯処理設備Aに搬送された取鍋Cの溶湯は、溶湯処理設備Aで黒鉛球状化処理やノロ取りをされる。次いで、溶湯処理設備Aで溶湯処理された取鍋Cは、再び前記第1台車B2aによって前記第1軌道B1a上を移動して、第1ローラコンベアB3aに移される。
1a ローラコンベヤ
1aA ローラ
1aB ローラ駆動装置
1b バックレスト
2 黒鉛球状化処理装置
2a ワイヤ供給装置
2b ワイヤガイド
3 蓋開閉装置
3a 開閉アーム
3b 蓋昇降装置
4 取鍋傾動装置
4a シリンダ
4b シリンダ先端
4c 傾動用ブラケット
A 溶湯処理設備
A1 架台フレーム
A2 Mgワイヤ
A3 傾動軸
A4 ノロ取り作業位置
B 溶湯搬送ライン
B1 軌道
B2 台車
B3 ローラコンベヤ
C 取鍋
D 蓋
D1 投入口
D2 取手
E 溶解設備
F 注湯設備
Claims (8)
- 蓋をした取鍋の中の溶湯に黒鉛球状化剤を用いて黒鉛球状化処理をし、蓋を開閉するとともに黒鉛球状化処理を行った取鍋内の溶湯のノロを除去する溶湯処理設備であって、
前記取鍋を所定位置まで搬送するとともに、傾動時に前記取鍋を支える取鍋搬送支持装置と、
所定位置に搬送された前記取鍋内の溶湯に接種剤を投入することで黒鉛球状化させる黒鉛球状化処理装置と、
前記取鍋の蓋を昇降させることで前記蓋を開閉する蓋開閉装置と、
前記取鍋搬送支持装置を前記取鍋とともに傾動させる取鍋傾動装置
とを備えた溶湯処理設備。 - 請求項1記載の溶湯処理設備を用いた溶湯処理方法であって、
溶湯を取鍋に受湯する工程と、
該取鍋を所定位置まで搬送する搬送工程と、
前記取鍋内の溶湯に接種剤を投入する黒鉛球状化処理工程と、
該黒鉛球状化処理工程を経た前記取鍋の蓋を開ける蓋上昇工程と、
前記取鍋を傾動させる取鍋傾動工程と、
前記取鍋からノロを除去するノロ取り工程、
とを含み、
黒鉛球状化処理工程とノロ取り工程が同一の場所で行われることを特徴とした溶湯処理方法。 - 請求項1記載の溶湯処理設備を配置した溶湯を溶解設備から自動注湯装置まで搬送する溶湯搬送ラインであって、
該溶湯搬送ラインは、
材料を溶解させる溶解炉もしくは溶解させた溶湯を保持する保持炉を有するとともに該溶湯を取鍋へ受湯させる溶解設備と、
前記取鍋の中の溶湯に黒鉛球状化処理を行うとともにノロを除去する溶湯処理設備と、
鋳型へ溶湯を鋳込む注湯設備と、
前記溶解設備と前記注湯設備との間を連絡する軌道と、
前記取鍋が載置され前記軌道上を走行する台車
とを備えたことを特徴とする溶湯搬送ライン。 - 前記注湯設備が、複数の自動注湯装置を備えていることを特徴とする請求項3記載の溶湯搬送ライン。
- 前記溶湯処理設備が前記軌道に沿って配置されていることを特徴とする請求項3または4記載の溶湯搬送ライン。
- 請求項1記載の溶湯処理設備を配置した溶湯を溶解設備から自動注湯装置まで搬送する溶湯搬送ラインであって、
材料を溶解させる溶解炉もしくは溶解させた溶湯を保持する保持炉を有するとともに該溶湯を取鍋へ受湯させる溶解設備と、
前記取鍋の中の溶湯に黒鉛球状化処理を行うとともにノロを除去する溶湯処理設備と、
鋳型へ溶湯を鋳込む複数の自動注湯装置を備えている注湯設備と、
前記溶解設備に隣接される第1軌道と、
前記取鍋が載置され前記第1軌道上を走行する第1台車と、
前記第1軌道と直交し前記第1台車から前記取鍋を受け取る第1ローラコンベアと、
前記注湯設備の複数の自動注湯装置それぞれに対応する位置へ連絡する第2ローラコンベアと、
前記第1ローラコンベアと前記第2ローラコンベアとの間に配置された第2軌道と、
前記第2軌道上を走行し、前記取鍋を前記第1ローラコンベアから前記第2ローラコンベアに移し変える第2台車
とを備えたことを特徴とする溶湯搬送ライン。 - 前記溶湯処理設備が前記第1軌道に沿って配置されていることを特徴とする請求項6記載の溶湯搬送ライン。
- 前記溶湯処理設備が前記第2軌道に沿って配置されていることを特徴とする請求項6または7記載の溶湯搬送ライン。
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US10239114B2 (en) | 2016-01-29 | 2019-03-26 | Honda Motor Co., Ltd. | Systems and methods for transporting material |
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US10239114B2 (en) | 2016-01-29 | 2019-03-26 | Honda Motor Co., Ltd. | Systems and methods for transporting material |
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