JPH0140884B2 - - Google Patents
Info
- Publication number
- JPH0140884B2 JPH0140884B2 JP12433584A JP12433584A JPH0140884B2 JP H0140884 B2 JPH0140884 B2 JP H0140884B2 JP 12433584 A JP12433584 A JP 12433584A JP 12433584 A JP12433584 A JP 12433584A JP H0140884 B2 JPH0140884 B2 JP H0140884B2
- Authority
- JP
- Japan
- Prior art keywords
- aluminum
- constant speed
- molten
- transfer mold
- deoxidizing
- 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
Links
- 229910052782 aluminium Inorganic materials 0.000 claims description 100
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 100
- 238000004519 manufacturing process Methods 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 11
- 238000005520 cutting process Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 description 13
- 238000005266 casting Methods 0.000 description 13
- 239000010959 steel Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 229910000655 Killed steel Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 229910001336 Semi-killed steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/068—Decarburising
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Continuous Casting (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、溶鋼中の酸素を脱酸処理するのに利
用される脱酸用アルミニウム加工品及びその製造
装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a deoxidizing aluminum processed product used for deoxidizing oxygen in molten steel, and an apparatus for manufacturing the same.
銑鉄から鋼に精錬する場合、溶銑中に多量の酸
素を吹き込み、溶銑中の不要な各種元素を酸化除
去して成分調整すると共にこの時の酸化熱によつ
てその溶融状態を維持するが、この酸化精錬の過
程において諸元素の除去に寄与しない大部分の酸
素は鋼浴中にそのまま残留することになる。この
鋼中酸素は、鋼塊を造るのに不要であるばかり
か、用途によつてはむしろ有害となり、特にキル
ド鋼又はセミキルド鋼を造塊する上で、脱酸処理
は必要不可欠となる。
When refining pig iron into steel, a large amount of oxygen is blown into the hot metal to oxidize and remove various unnecessary elements in the hot metal to adjust its composition, and the heat of oxidation at this time maintains its molten state. During the oxidative refining process, most of the oxygen that does not contribute to the removal of various elements remains in the steel bath. This oxygen in steel is not only unnecessary for making steel ingots, but can even be harmful depending on the use, and deoxidation treatment is essential especially when making killed or semi-killed steel ingots.
鋼浴中に含まれる如上の酸素の一部は、同じ浴
中のマンガン及びシリコンと反応して脱酸される
が、これだけでは脱酸が不十分であるから、一般
的には強脱酸剤として還元力の強いアルミニウム
材を使用し、これを鋼浴中に投入して脱酸処理を
行なつている。 Some of the above oxygen contained in the steel bath is deoxidized by reacting with manganese and silicon in the same bath, but this alone is insufficient for deoxidizing, so a strong deoxidizing agent is generally used. An aluminum material with a strong reducing power is used as a material, and this material is placed in a steel bath for deoxidation treatment.
前記アルミニウム材として、小さい粒状形に整
形されたもの（一般にシヨツトアルミと称され
る）、或いは断面が台形や半円形などの形状をし
た比較的大きな形状物（一般にバンカーアルミと
称される）が使用されている。 The aluminum material used is one shaped into small granules (generally referred to as shot aluminum), or a relatively large one with a trapezoidal or semicircular cross section (generally referred to as bunker aluminum). has been done.
上記のアルミニウム加工品を製造する方法とし
ては従来より諸種あるが、一般に、シヨツトアル
ミの場合、第４図に示すノズル３より滴下した溶
融アルミニウム２を冷却板上に落として凝固さ
せ、第５図ａに示すようなボタン形状のアルミニ
ウム加工品２′を製造するものであり、またバン
カーアルミの場合、第３図に示すように複数の鋳
造凹部１ａ……を形成した鋳型１を用い、第４図
に示すように溶融アルミニウム２をノズル３から
断続的に滴下し、これを上記鋳造凹部１ａ……で
受けて凝固させた後、この鋳型１を反転して取り
出して第５図ｂに示すようなアルミニウム加工品
２″を製造していた。 There are various conventional methods for manufacturing the above-mentioned aluminum products, but in general, in the case of shot aluminum, the molten aluminum 2 dripped from the nozzle 3 shown in Fig. 4 is dropped onto a cooling plate and solidified, as shown in Fig. 5a. In the case of bunker aluminum, a mold 1 having a plurality of casting recesses 1a as shown in FIG. As shown in FIG. 5, molten aluminum 2 is intermittently dripped from the nozzle 3, and after being received and solidified by the casting recess 1a, the mold 1 is turned over and taken out to form a mold as shown in FIG. 5b. The company was manufacturing aluminum processed products 2".
ところが、前者のアルミニウム加工品２′を製
造する方法では、滴下した溶融アルミニウムの表
面張力を利用して成形するものであるから、バン
カーアルミのような大きな加工品を製造すること
が出来ず、またこの方法から得られたアルミニウ
ム加工品２′は、第５図ａに示す加工品２′の頂部
付近２a′に酸化皮膜が厚く形成される。 However, in the former method of manufacturing the aluminum processed product 2', the surface tension of the dropped molten aluminum is used to form the product, so it is not possible to manufacture large processed products such as bunker aluminum. The aluminum workpiece 2' obtained by this method has a thick oxide film formed near the top 2a' of the workpiece 2' as shown in FIG. 5a.
また後者のアルミニウム加工品２″を製造する
方法では、鋳型１の所定の鋳造凹部１ａに溶融ア
ルミニウム２を流下し、この流下湯が所定量だけ
流入後に切れて鋳造凹部１ａに入り込む際、最後
に流入する溶融アルミニウムの細流が落下の衝撃
を受けて鋳造凹部１ａの開口上端部付近で揺動し
ながら第５図ｂに示すアルミニウム加工品２″の
台形底面部２a″が形成されるので、空気中酸素と
の撹拌混合に近似した作用によつて、アルミニウ
ム加工品２″の外表面全域、特に台形底面部２
a″には厚いに酸化膜すなわちアルミナ層が形成さ
れる。 In addition, in the latter method of manufacturing the aluminum processed product 2'', molten aluminum 2 is poured into a predetermined casting recess 1a of the mold 1, and when this flowing molten metal breaks after flowing in a predetermined amount and enters the casting recess 1a, the final The trickle of molten aluminum flowing in is subjected to the impact of falling and swings near the upper end of the opening of the casting recess 1a, forming the trapezoidal bottom surface 2a'' of the aluminum workpiece 2'' shown in FIG. By an action similar to stirring and mixing with medium oxygen, the entire outer surface of the aluminum workpiece 2″, especially the trapezoidal bottom part 2
A thick oxide film, that is, an alumina layer, is formed on a″.
上記のように、アルミニウム加工品２′，２″に
厚いアルミナ層が形成されていると、この加工品
を鋼浴中に投入しても、加工品２′，２″の外表面
が溶融するまで鋼中酸素との反応が鈍く、反応に
比較的時間が掛かると共に、アルミニウム加工品
２′，２″の酸化歩留りを悪くするという欠点があ
つた。 As mentioned above, if a thick alumina layer is formed on the aluminum workpieces 2', 2'', the outer surfaces of the workpieces 2', 2'' will melt even if the workpieces are placed in a steel bath. Until recently, the reaction with oxygen in the steel was slow, the reaction took a relatively long time, and the oxidation yield of aluminum processed products 2' and 2'' was poor.
また後者の場合、多数の鋳造凹部１ａ……に溶
融アルミニウムを断続的に注入するので、生産能
率が悪いばかりか、各鋳造凹部１ａ……へ滴下す
る溶融アルミニウム２の定量供給が困難なところ
から注入量にバラツキを生じ易い。例えば、８ｇ
重量のシヨツトアルミを製造する場合、約６〜10
ｇ重量となつてしまい、±２ｇの重量誤差が生じ
るのが通常である。その上、重量の変動に伴なつ
て形状にもバラツキが生じることになるので、ロ
ータリーフイーダ等を用いてシヨツトアルミを鋼
浴中に定量供給する場合、供給量に変動を来たす
原因となる。 In the latter case, since molten aluminum is intermittently injected into a large number of casting recesses 1a..., not only is production efficiency low, but it is also difficult to supply a constant quantity of molten aluminum 2 dripping into each casting recess 1a... Variations in injection amount are likely to occur. For example, 8g
When producing heavy shot aluminum, approximately 6 to 10
It is normal for the weight to be 1.5 g, resulting in a weight error of ±2 g. Furthermore, variations in weight also cause variations in shape, which causes variations in the supply amount when a rotary feeder or the like is used to supply shot aluminum in a fixed amount into a steel bath.
更に、１つの鋳造凹部１ａから次位の鋳造凹部
１ａへと溶融アルミニウム２を順次移行して滴下
する際、鋳造凹部１ａの外へ溶融アルミニウム２
の一部を引いたりこぼれたりし易く、その結果、
得られるアルミニウム加工品２″には第５図ｂに
示す如くバリ２b″が生じることになる。このバリ
２b″は、上記したロータリーフイーダによる定量
供給において引掛かりの原因となり、供給を円滑
に行なう上で妨げになると共に、炉内への供給量
に変動を招来する原因ともなる。 Furthermore, when the molten aluminum 2 is sequentially transferred and dripped from one casting recess 1a to the next casting recess 1a, the molten aluminum 2 is transferred out of the casting recess 1a.
It is easy to pull or spill parts of the product, resulting in
The resulting aluminum workpiece 2'' has burrs 2b'' as shown in FIG. 5b. This burr 2b'' causes a catch in the quantitative feeding by the rotary feeder described above, hinders smooth feeding, and also causes fluctuations in the amount fed into the furnace.
本発明は、従来の如上の欠点を解消し、脱酸効
果の高いアルミニウム加工品と、このアルミニウ
ム加工品を重量、形状にバラツキを生じさせるこ
となく能率よく大量生産することの出来る製造装
置を提供することを目的とするものである。
The present invention eliminates the above-mentioned drawbacks of the prior art and provides an aluminum processed product with a high deoxidizing effect and a manufacturing device that can efficiently mass-produce this aluminum processed product without causing variations in weight or shape. The purpose is to
本発明の脱酸用アルミニウム加工品は、外表面
の一部を切断面として、溶融アルミニウムが凝固
する際に外表面に出来るアルミナ層で被覆されな
い面を形成して脱酸効果の高いアルミニウム加工
品としたことを特徴とするものである。
The deoxidizing aluminum processed product of the present invention is an aluminum processed product that has a high deoxidizing effect by using a part of the outer surface as a cut surface to form a surface that is not covered with the alumina layer that is formed on the outer surface when molten aluminum solidifies. It is characterized by the following.
又、本発明の脱酸用アルミニウム加工品の製造
装置は、溶融アルミニウムを連続的に定量流下す
る定量供給手段と、この定量供給手段より流下さ
れる溶融アルミニウムを受けこれを一定速度で連
続的に移送してアルミニウム棒状体を鋳造する定
速移送鋳型路と、この定速移送鋳型路の途中以降
に設けられ移送鋳型路上で鋳造されたアルミニウ
ム棒状体を冷却する冷却手段を、該冷却手段より
送り出され冷却凝固したアルミニウム棒状体を順
次定寸カツトするカツターとを備えたことを特徴
とするものである。 Further, the apparatus for manufacturing aluminum processed products for deoxidization of the present invention includes a fixed quantity supply means for continuously flowing down a fixed amount of molten aluminum, and a fixed quantity supply means for receiving the molten aluminum flowing down from the fixed quantity supply means and continuously supplying the molten aluminum at a constant speed. A constant speed transfer mold path for transferring and casting an aluminum rod, and a cooling means provided after the middle of this constant speed transfer mold path for cooling the aluminum rod cast on the transfer mold path, the cooling means being sent out from the cooling means. The apparatus is characterized by comprising a cutter for successively cutting the cooled and solidified aluminum rod-shaped body to a fixed size.
本発明の脱酸用アルミニウム加工品の一実施例
を第１図に示す。
An embodiment of the deoxidizing aluminum processed product of the present invention is shown in FIG.
このアルミニウム加工品５′は、一定断面（こ
の例では滑らかな外形をなす台形状）をなす棒状
アルミニウム材を一定間隔に切断して、両端に切
断面５ａ，５ａを有する形状体としたものであ
る。 This aluminum processed product 5' is made by cutting a bar-shaped aluminum material with a constant cross section (in this example, a trapezoidal shape with a smooth external shape) at regular intervals to form a shaped body having cut surfaces 5a, 5a at both ends. be.
次に本発明の脱酸用アルミニウム加工品の製造
装置の一実施例を第２図に基づいて説明する。 Next, an embodiment of the apparatus for manufacturing a deoxidizing aluminum processed product of the present invention will be described with reference to FIG.
６は溶融アルミニウムを受けこれを一定速度で
連続的に移送しながらアルミニウム棒状体１７を
鋳造するための定速移送鋳型路であつて、該定速
移送鋳型路６はキヤタピラ型の無端コンベア軌道
をなし、そのコンベア面に棒状体を鋳造するため
の鋳型９を形成している。この定速移送鋳型路６
は、駆動ドラム７と従動ドラム８間に懸装され、
一定速度で走行するように駆動される。 Reference numeral 6 denotes a constant speed transfer mold path for casting aluminum rod-shaped bodies 17 while receiving molten aluminum and continuously transferring it at a constant speed. No, a mold 9 for casting a rod-shaped body is formed on the conveyor surface. This constant speed transfer mold path 6
is suspended between the driving drum 7 and the driven drum 8,
It is driven to run at a constant speed.
上記定速移送鋳型路６の始端部上方には、溶融
アルミニウムのるつぼ１０が設けられる一方、こ
のるつぼ１０の下方には、注出口１１ａを前記定
速移送鋳型路６の始端部鋳型９面上に臨ませた湯
口１１が配置され、これらにより溶融アルミニウ
ムを連続的に定量流下する定量供給手段が構成さ
れる。尚、上記のるつぼ１０を省略して、アルミ
ニウム溶解炉から直接、前記定速移送鋳型路６の
始端部鋳型９面に溶融アルミニウムを注湯しても
良いことは勿論である。湯口１１に溶融アルミニ
ウムを注湯するためのるつぼ１０底部の湯送孔１
０ａは、ストツパー棒１２により開閉するように
構成されている。１３はるつぼ１０内の溶融アル
ミニウムの温度を測定するための熱電対である。 A crucible 10 for molten aluminum is provided above the starting end of the constant speed transfer mold path 6, while a spout 11a is provided below the crucible 10 on the surface of the mold 9 at the starting end of the constant speed transfer mold path 6. A sprue 11 facing the molten aluminum is disposed, and these constitute a fixed quantity supply means for continuously flowing down molten aluminum in a fixed quantity. It goes without saying that the crucible 10 described above may be omitted and molten aluminum may be poured directly from the aluminum melting furnace onto the surface of the mold 9 at the starting end of the constant speed transfer mold path 6. Molten metal feed hole 1 at the bottom of the crucible 10 for pouring molten aluminum into the sprue 11
0a is configured to be opened and closed by a stopper rod 12. 13 is a thermocouple for measuring the temperature of molten aluminum in the crucible 10.
前記定速移送鋳型路６の途中以降には冷却水槽
１４が配設され、自然冷却されながら凝固して上
記定速移送鋳型路６により移送されて来たアルミ
ニウム棒状体１７は、上記冷却水槽１４の内部を
経由して、次の送りローラー１５へ送り込まれる
ように構成されている。 A cooling water tank 14 is disposed in the middle of the constant speed transfer mold path 6, and the aluminum rod-shaped body 17 that has been solidified while being naturally cooled and transferred through the constant speed transfer mold path 6 is placed in the cooling water tank 14. The paper is configured to be fed to the next feed roller 15 via the inside of the paper.
前記送りローラー１５の次段には間欠的に駆動
するカツター１６が設けられ、上下一対の送りロ
ーラー１５より定速で送られて来る冷却凝固した
アルミニウム棒状体１７を、上記カツター１６に
より定寸長さに切断するように構成されている。 A cutter 16 that is driven intermittently is provided next to the feed roller 15, and the cutter 16 cuts the cooled and solidified aluminum bar 17, which is fed at a constant speed from the pair of upper and lower feed rollers 15, into a fixed length. Configured to cut at the right angle.
以上の構成の製造装置により、アルミニウム加
工品５を得る場合、先ず、るつぼ１０内で溶製さ
れた純アルミニウム材が所定の溶融温度域にある
と、図示しないモータを駆動して定速移送鋳型路
６を定速走行させる。次に、るつぼ１０のストツ
パー棒１２を引き上げて湯送孔１０ａより湯口１
１内へ溶融アルミニウムを流下し、この溶融アル
ミニウムを湯口１１の注出口１１ａより定速移送
鋳型路６の始端部鋳型９上に連続的に定量供給す
る。定速走行する鋳型９上に連続的に供給される
溶融アルミニウムは、鋳型９の進行に伴つて走行
方向に向け棒状に延びながら或る程度の自然冷却
により凝固され、次段の冷却水槽１４内を潜るこ
とにより完全に冷却されて凝固する。 When obtaining the aluminum processed product 5 using the manufacturing apparatus having the above configuration, first, when the pure aluminum material melted in the crucible 10 is in a predetermined melting temperature range, a motor (not shown) is driven to form a constant speed transfer mold. Run road 6 at a constant speed. Next, pull up the stopper rod 12 of the crucible 10 and insert the sprue 1 from the sprue hole 10a.
Molten aluminum flows down into the mold 1, and this molten aluminum is continuously and quantitatively supplied from the spout 11a of the sprue 11 onto the mold 9 at the starting end of the constant speed transfer mold path 6. The molten aluminum that is continuously supplied onto the mold 9 that is traveling at a constant speed is solidified by a certain degree of natural cooling while extending in the direction of travel in the shape of a rod as the mold 9 advances, and then flows into the cooling water tank 14 of the next stage. By submerging it, it is completely cooled and solidified.
冷却凝固したアルミニウム棒状体１７は送りロ
ーラー１５を経てカツター１６配設位置へ定速移
送され、一定時間毎に間欠駆動するカツター１６
により一定の長さに切断され、これにより両端に
切断面５ａ，５ａを有するアルミニウム加工品５
が得られる。 The cooled and solidified aluminum rod-shaped body 17 is transferred at a constant speed via a feed roller 15 to a cutter 16 installation position, and the cutter 16 is driven intermittently at regular intervals.
The aluminum workpiece 5 is cut to a certain length by the above method, and has cut surfaces 5a, 5a at both ends.
is obtained.
このようにして得られるアルミニウム加工品５
の断面形状は、湯口１１からの供給量、湯口の注
出口１１ａの幅寸法、定速移送鋳型路６の走行速
度等により異なり、又その断面形状は溶融アルミ
ニウムを受ける鋳型９の細長い溝形状に倣うこと
になる。 Aluminum processed product obtained in this way 5
The cross-sectional shape varies depending on the amount of supply from the sprue 11, the width dimension of the spout 11a of the sprue, the running speed of the constant-speed transfer mold passage 6, etc., and the cross-sectional shape corresponds to the elongated groove shape of the mold 9 that receives the molten aluminum. I will follow suit.
尚、本発明の装置を使用すれば、鋳型９の溝形
状及びカツター１６による間欠切断速度等を任意
に変更調節することによつて、シヨツトアルミか
らバンカーアルミまであらゆる形状及び大きさの
アルミニウム加工品５を容易に製造することが出
来る。 By using the apparatus of the present invention, by arbitrarily changing and adjusting the groove shape of the mold 9 and the intermittent cutting speed of the cutter 16, it is possible to produce aluminum processed products 5 of all shapes and sizes, from shot aluminum to bunker aluminum. can be easily manufactured.
本発明の脱酸用アルミニウム加工品は、外表面
の一部に切断面が形成されているから、溶融アル
ミニウムの冷却凝固の際に形成される外表面の酸
化膜、即ちアルミナ層が切断面において除去さ
れ、鋼浴中において外表面の溶融を待たずに直ち
に鋼中酸素と反応し、その脱酸処理を短時間のう
ちに行なうことが出来ると共に、溶解も速いので
大量にアルミニウム加工品を投入した場合に一部
に未溶解のものが生じて利用歩留りを悪くすると
いつた不都合も回避できる。更に切断面の存在
は、外表面の一部にエツジ状部が併存することを
意味するので、外表面全体が滑らかな曲面をなす
従来例の場合に比べて、外表面積が広くなり、そ
れだけ脱酸反応面積が増大し脱酸効果を一層向上
するなどの利点がある。
Since the deoxidizing aluminum processed product of the present invention has a cut surface formed on a part of the outer surface, the oxide film on the outer surface, that is, the alumina layer that is formed when molten aluminum is cooled and solidified, is formed on the cut surface. It is removed and immediately reacts with the oxygen in the steel without waiting for the outer surface to melt in the steel bath, making it possible to deoxidize it in a short time and melting quickly, so a large amount of aluminum processed products can be used. It is also possible to avoid the inconvenience of a portion of undissolved material resulting in a poor utilization yield. Furthermore, the presence of a cut surface means that an edge-like part coexists with a part of the outer surface, so the outer surface area is wider than in the case of the conventional example where the entire outer surface is a smooth curved surface. This has the advantage of increasing the acid reaction area and further improving the deoxidizing effect.
又、本発明のアルミニウム加工品の製造装置
は、定速走行する定速移送鋳型路の始端部鋳型面
上に溶融アルミニウムを定量流下して、これを連
続する棒状体に鋳造し、更に冷却手段により冷却
凝固してカツターで定寸長さに切断して連続的に
アルミニウム加工品を製造するようにしたもので
あるから、従来の断続滴下方式の場合のように、
アルミニウム加工品の外表面に厚い酸化皮膜すな
わちアルミナ層が形成されることがなく、しかも
重量・形状にバラツキを生じることがなく、常に
重量および形状が一定のアルミニウム加工品を得
ることが出来る。 In addition, the apparatus for manufacturing aluminum processed products of the present invention allows a fixed amount of molten aluminum to flow down onto the mold surface at the starting end of a constant-speed transfer mold path that travels at a constant speed, casts the molten aluminum into a continuous rod-shaped body, and further includes a cooling means. This method allows aluminum products to be manufactured continuously by cooling and solidifying the product and cutting it into fixed lengths with a cutter, so unlike the conventional intermittent dripping method,
A thick oxide film, that is, an alumina layer, is not formed on the outer surface of the aluminum processed product, and there is no variation in weight or shape, and the aluminum processed product can always have a constant weight and shape.
例えば、本発明の装置により８ｇ重量のアルミ
ニウム加工品を得る場合、その上下限値は7.5〜
8.5ｇでありその誤差は±0.5ｇであつて、上記従
来方式の場合の重量誤差±２ｇに比べて大幅に改
善される。そして、重量・形状が均一になること
によりロータリーフイーダ等を用いてアルミニウ
ム加工品を鋼浴中に定量供給する場合に、供給量
に変動を生じることなく正確な定量供給が可能と
なる。又、従来方式の場合のように、アルミニウ
ム加工品にバリが生じないので、上記定量供給時
においてバリにより引掛かりが生じて円滑な供給
を妨げるといつた不都合も回避できる。 For example, when obtaining an aluminum processed product weighing 8g using the apparatus of the present invention, the upper and lower limits are 7.5~
The weight error is 8.5g, and the error is ±0.5g, which is much improved compared to the weight error of ±2g in the conventional method. Since the weight and shape are uniform, when a rotary feeder or the like is used to supply aluminum processed products in a fixed quantity into a steel bath, accurate fixed quantity supply is possible without causing fluctuations in the supply amount. Further, unlike in the case of the conventional method, burrs do not form on the aluminum workpiece, so that it is possible to avoid the inconvenience of the burrs being caught during the above-mentioned quantitative supply and preventing smooth supply.
その上、棒状に冷却凝固されたアルミニウム材
を定寸長さに切断してアルミニウム加工品を形成
するものであるから、製造工程の一部が切断面の
形成を兼ねることになり、外表面に酸化被膜の少
ない、即ち脱酸効果の高いアルミニウム加工品を
容易に製造することが出来る。 Furthermore, since aluminum products are formed by cutting aluminum material that has been cooled and solidified into rods into fixed lengths, part of the manufacturing process also serves as the formation of the cut surfaces, and the outer surface Aluminum processed products with less oxide film, that is, with high deoxidizing effect, can be easily produced.
しかも、冷却凝固されて連続的に繰り出される
アルミニウム棒状体を、順次カツターで定寸長さ
に切断してアルミニウム加工品を得る構成である
から、その量産化が極めて容易であり、製造コス
トを大幅に低減できる等の効果を奏しうる。 Moreover, since aluminum rods are cooled and solidified and are continuously fed out, they are sequentially cut into fixed lengths using a cutter to obtain processed aluminum products, making mass production extremely easy and significantly reducing manufacturing costs. It is possible to achieve effects such as being able to reduce the amount of water.
更に、定速移送鋳型路の鋳型面形状やカツター
による間欠切断速度等を任意に調節することによ
つて、シヨツトアルミからバンカーアルミまで幅
広く製造し得る利点がある。 Furthermore, by arbitrarily adjusting the mold surface shape of the constant speed transfer mold path, the intermittent cutting speed of the cutter, etc., there is an advantage that a wide range of products from shot aluminum to bunker aluminum can be manufactured.
第１図は本発明に係る脱酸用アルミニウム加工
品の一例を示す斜視図、第２図は本発明の一実施
例を示す脱酸用アルミニウム加工品の製造装置の
全体概略側面図、第３図は従来の断続滴下方式で
用いられる鋳型の斜視図、第４図は従来の方式に
より溶融アルミニウムをノズルから滴下する状態
を示す説明図、第５図ａ，ｂはそれぞれ従来の方
法で得られた脱酸用アルミニウム加工品の斜視図
である。
５はアルミニウム加工品、５ａは切断面、６は
定速移送鋳型路、９は鋳型、１０はるつぼ、１１
は湯口、１１ａは注出口、１４は冷却水槽、１５
は送りローラー、１６はカツター、１７はアルミ
ニウム棒状体である。
FIG. 1 is a perspective view showing an example of a deoxidizing aluminum processed product according to the present invention, FIG. 2 is an overall schematic side view of an apparatus for manufacturing a deoxidizing aluminum processed product according to an embodiment of the present invention, The figure is a perspective view of a mold used in the conventional intermittent dripping method, Figure 4 is an explanatory diagram showing the state in which molten aluminum is dripped from a nozzle by the conventional method, and Figures 5a and b are each obtained by the conventional method. FIG. 2 is a perspective view of a deoxidizing aluminum processed product. 5 is an aluminum processed product, 5a is a cut surface, 6 is a constant speed transfer mold path, 9 is a mold, 10 is a crucible, 11
is a sprue, 11a is a spout, 14 is a cooling water tank, 15
1 is a feed roller, 16 is a cutter, and 17 is an aluminum bar.
Claims (1)
を特徴とする脱酸用アルミニウム加工品。 ２ 溶融アルミニウムを連続的に定量流下する定
量供給手段と、この定量供給手段より流下される
溶融アルミニウムを受けこれを一定速度で連続的
に移送してアルミニウム棒状体を鋳造する定速移
送鋳型路と、この定速移送鋳型路の途中以降に設
けられ移送鋳型路上で鋳造されたアルミニウム棒
状体を冷却する冷却手段と、該冷却手段より送り
出され冷却凝固したアルミニウム棒状体を順次定
寸カツトするカツターとを備えたことを特徴とす
る脱酸用アルミニウム加工品の製造装置。[Scope of Claims] 1. An aluminum processed product for deoxidizing, characterized in that a cut surface is formed on a part of the outer surface. 2. A quantitative supply means for continuously flowing down a fixed amount of molten aluminum, and a constant speed transfer mold path that receives the molten aluminum flowing down from the quantitative supply means and continuously transfers it at a constant speed to cast an aluminum bar-shaped body. , a cooling means provided after the middle of the constant speed transfer mold path for cooling the aluminum rods cast on the transfer mold path, and a cutter for successively cutting the cooled and solidified aluminum rods fed from the cooling means to a fixed size. A manufacturing device for deoxidizing aluminum processed products, characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12433584A JPS613823A (en) | 1984-06-15 | 1984-06-15 | Worked aluminum article for deoxidation and producing device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12433584A JPS613823A (en) | 1984-06-15 | 1984-06-15 | Worked aluminum article for deoxidation and producing device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS613823A JPS613823A (en) | 1986-01-09 |
| JPH0140884B2 true JPH0140884B2 (en) | 1989-09-01 |
Family
ID=14882793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12433584A Granted JPS613823A (en) | 1984-06-15 | 1984-06-15 | Worked aluminum article for deoxidation and producing device thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS613823A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021039764A1 (en) * | 2019-08-30 | 2021-03-04 | 京浜ラムテック株式会社 | Multilayer structure and method for producing multilayer structure |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2538138B2 (en) * | 1991-06-18 | 1996-09-25 | セントラル硝子株式会社 | Glass plate loading spacer, transfer method and apparatus for the glass plate |
| JP3390615B2 (en) | 1996-11-18 | 2003-03-24 | セントラル硝子株式会社 | Method and apparatus for mounting spacer for loading glass plate |
| KR20050025696A (en) * | 2003-09-08 | 2005-03-14 | 김성수 | Manufacturing apparatus of deoxidization agent for reducing density of excess oxygen remaining in blast furnace aften oxidation refinery |
| KR100775501B1 (en) | 2006-12-19 | 2007-11-12 | 주식회사 포스코 | Apparatus for delivery in slab of continuous casting line |
-
1984
- 1984-06-15 JP JP12433584A patent/JPS613823A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021039764A1 (en) * | 2019-08-30 | 2021-03-04 | 京浜ラムテック株式会社 | Multilayer structure and method for producing multilayer structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS613823A (en) | 1986-01-09 |
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