JPH0720553Y2 - Open well type reflective melting furnace with stirrer - Google Patents
Open well type reflective melting furnace with stirrerInfo
- Publication number
- JPH0720553Y2 JPH0720553Y2 JP1988074340U JP7434088U JPH0720553Y2 JP H0720553 Y2 JPH0720553 Y2 JP H0720553Y2 JP 1988074340 U JP1988074340 U JP 1988074340U JP 7434088 U JP7434088 U JP 7434088U JP H0720553 Y2 JPH0720553 Y2 JP H0720553Y2
- Authority
- JP
- Japan
- Prior art keywords
- melting
- furnace
- open well
- open
- stirrer
- 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 - Lifetime
Links
Landscapes
- Manufacture And Refinement Of Metals (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Description
【考案の詳細な説明】 ［産業上の利用分野］ 本考案は、アルミニウム、銅などの非鉄金属とそれらの
合金を溶解するのに使用する溶解炉に関し、特に、オー
プンウェル型と呼ばれるスターラー付反射炉の構造に関
する。[Detailed Description of the Invention] [Industrial application] The present invention relates to a melting furnace used for melting non-ferrous metals such as aluminum and copper and their alloys, and in particular, an open-well type reflector with a stirrer. Regarding the structure of the furnace.
［従来の技術］ コーヒー、ジュース、ビールなどに加え、日本酒、茶な
どの飲料容器のアルミ缶化が急速に進むのに伴って、各
家庭や食堂などからの空缶の排出も急増している。一
方、電気機器、OA機器、家電製品などのハウジング、ケ
ースなどへのアルミニウム合金の使用量が多いことと、
回路部材として銅や銅合金もかなり多量に使用されてい
ることから、それらの製品を製造するメーカーの生産現
場で発生するプレス作業などによる金属抜き屑、旋盤や
ミリング作業での切削屑、いわゆるダライ粉などの自家
発生スクラップを溶解により再生する分をも含み、比較
的小容量で設備費も低額な溶解炉の使用が増加してい
る。このような要望に適するものの一つとして、重油な
どの低価格の燃料を使用できる反射型の溶解炉が挙げら
れる。[Prior art] In addition to coffee, juice, beer, etc., as cans for sake, tea, and other beverage containers are rapidly becoming aluminum cans, empty cans from households and cafeterias are also rapidly increasing. . On the other hand, the large amount of aluminum alloy used in housings, cases, etc. of electrical equipment, OA equipment, home appliances, etc.
Since copper and copper alloys are also used in large quantities as circuit members, metal scraps generated by press work, etc. generated at the production sites of manufacturers who manufacture these products, cutting scraps in lathes and milling work, so-called Dalai The use of smelting furnaces, which have a relatively small capacity and low equipment costs, is increasing, including the recycling of self-generated scrap such as powder by melting. One of those suitable for such a demand is a reflection-type melting furnace capable of using low-cost fuel such as heavy oil.
反射型溶解炉の中でも第２図（Ａ）と同図（Ｂ）とに示
すようなオープンウェル型反射溶解炉10では、オープン
ウェル部12の天井が開放されていてスクラップなどの装
入に好都合であり、一方このオープンウェル部12とそれ
に隣接する溶解室11との間は、溶融金属の浴面よりもや
や下まで延びて外気の侵入を阻止する扉13により遮断さ
れていて、溶解室は天井で覆われその内部では、溶湯の
酸化をある程度防止して溶解作業を行なうことが可能で
あることかからなり広く採用されている。Among the reflection type melting furnaces, the open well type reflection melting furnace 10 as shown in FIGS. 2 (A) and 2 (B) has an open well portion 12 having an open ceiling, which is convenient for charging scraps and the like. On the other hand, between the open well portion 12 and the melting chamber 11 adjacent to the open well portion 12 is blocked by a door 13 that extends slightly below the bath surface of the molten metal to prevent the invasion of outside air. It is widely used because it is covered with a ceiling and inside it can be melted by preventing oxidation of the molten metal to some extent.
［考案が解決しようとする課題］ しかしながら、一般に使用されているオープンウェル型
反射溶解炉10では、第２図（Ａ）と同図（Ｂ）とに示す
ように、溶解室11とオープンウェル部12とは、横断方向
の幅W1とW2が同一であり、それぞれの形状とともに溶解
炉全体としての平面形状も矩形になっている。[Problems to be Solved by the Invention] However, in the commonly used open-well type reflective melting furnace 10, as shown in FIGS. 2 (A) and 2 (B), the melting chamber 11 and the open-well part are 12 has the same widths W 1 and W 2 in the transverse direction, and the planar shape of the melting furnace as a whole is rectangular along with the respective shapes.
そのため、溶解室11とオープンウェル部12との境界部の
左右両側にあって扉13と上下に案内し支持する支柱部14
が溶湯の流動を阻害し、また、オープンウェル部12の入
り口側の左右両側と溶解室11の奥の左右両側の隅角部が
直角であるため、これまた溶湯の流動が円滑でなく、こ
れらの影響によりスターラー16の攪拌力による溶湯移動
の効果が減殺され溶湯の循環が十分でないという欠点が
あった。Therefore, it is located on both the left and right sides of the boundary between the melting chamber 11 and the open well portion 12, and the door 13 and the pillar portion 14 that vertically guides and supports the door 13.
Hinders the flow of the molten metal, and because the corners on the left and right sides of the inlet of the open well section 12 and on the left and right sides of the back of the melting chamber 11 are at right angles, the flow of the molten metal is not smooth either. Due to the influence of, the effect of moving the molten metal by the stirring force of the stirrer 16 is diminished and there is a drawback that the circulation of the molten metal is not sufficient.
［課題を解決するための手段］ 反射溶解炉のオープンウェル部の内部平面形状を半円弧
形とすることによりオープンウェル部での溶湯の流れを
半円弧形炉壁に沿ってスムースに流動させる。またこの
半円弧部の直径、すなわちオープンウェル部と溶解室の
境界部での横断方向の幅W2を溶解室の幅W1よりも大きく
して扉を支持する支柱部などを設ける必要をなくするこ
とでも溶湯の流れを円滑にすることができる。[Means for Solving the Problems] By making the internal plane shape of the open well portion of the reflective melting furnace into a semi-arc shape, the flow of the molten metal in the open well portion smoothly flows along the semi-arc shaped furnace wall. Let Also, the diameter of this semi-circular portion, that is, the width W 2 in the transverse direction at the boundary between the open well portion and the melting chamber is made larger than the width W 1 of the melting chamber, so that it is not necessary to provide a column portion for supporting the door. By doing so, the flow of molten metal can be made smooth.
これらの２手段、つまり、オープンウェル部の内部平面
形状を半円弧形にするとともにオープンウェル部と溶解
室の境界部での横断方向の幅W2を溶解室の幅W1よりも大
きくすれば一層効果的である。These two means, that is, the internal plane shape of the open well portion is made into a semi-arcuate shape, and the width W 2 in the transverse direction at the boundary portion between the open well portion and the melting chamber is set larger than the width W 1 of the melting chamber. It is even more effective.
また、溶湯の流れを円滑にする手段に付加してオープン
ウェル部の左右両側の一方に、ドロス掻きだし口を設け
る。このドロス掻きだし口に対し横断方向で反対側の炉
底の直下には、オープンウェル部から溶解室の領域にま
たがって延在する電磁攪拌装置（スターラー）を設け
る。スターラーはその全長の約３分の１がオープンウェ
ル部にかかるようにする。In addition to the means for smoothing the flow of molten metal, a dross scraping port is provided on one of the left and right sides of the open well part. An electromagnetic stirrer (stirrer) extending from the open well portion over the region of the melting chamber is provided immediately below the furnace bottom on the side opposite to the dross scraping port in the transverse direction. The stirrer should cover approximately one-third of its total length in the open well section.
［作用］ オープンウェル部の炉壁が、平面図で見て炉と溶解室の
境界部から手前に向かって幅が減少する半円形状にさ
れ、および／または、オープンウェル部と溶解室の境界
部の横断方向の幅W2が溶解室の幅W1よりも大きくされれ
ば、スターラーにより移送される溶湯がオープンウェル
部に流入する際にその流動が阻害されることはない。[Function] The furnace wall of the open well portion is formed in a semicircular shape in which the width decreases from the boundary portion between the furnace and the melting chamber toward the front in a plan view, and / or the boundary between the open well portion and the melting chamber If the width W 2 in the transverse direction of the section is made larger than the width W 1 of the melting chamber, the flow of the molten metal transferred by the stirrer will not be obstructed when flowing into the open well section.
また、扉はオープンウェル部から溶解室に入る境界部の
端壁に沿って上下に案内されることになり、溶解作業中
に扉の下端を流れる溶湯が溶解室の側壁から内方に突出
する案内支柱などにより流動が阻害される現象も解消さ
れる。Further, the door will be guided up and down along the end wall of the boundary part entering the melting chamber from the open well part, and the molten metal flowing at the lower end of the door during the melting work projects inward from the side wall of the melting chamber. The phenomenon that the flow is obstructed by the guide columns is also eliminated.
このように、従来技術によるオープンウェル型反射溶解
炉において溶湯の流動を阻害していた要因をすべて解消
することができる。As described above, it is possible to eliminate all the factors that have hindered the flow of the molten metal in the conventional open-well type reflective melting furnace.
ドロス掻きだし口を設けスターラーと併用することによ
りドロスの掻き出しも効果的になる。By providing a dross scraping port and using it together with a stirrer, the dross can be effectively scraped out.
［実施例］ 第１図は、本考案の好適な実施例を示す平面断面図であ
る。この実施例では、オープンウェル部の内部平面形状
を半円弧形とする手段，オープンウェル部の半円弧部の
直径、すなわちオープンウェル部と溶解室の境界部での
横断方向の幅W2を溶解室の幅W1よりも大きくする手段、
さらにオープンウェル部にドロスの掻きだし口を付加す
る手段などの全てを適用した状態を示した。[Embodiment] FIG. 1 is a plan sectional view showing a preferred embodiment of the present invention. In this embodiment, the means for making the internal plane shape of the open well portion into a semi-arc shape, the diameter of the semi-arc portion of the open well portion, that is, the width W 2 in the transverse direction at the boundary portion between the open well portion and the dissolution chamber is Means for making the width W 1 of the melting chamber larger,
Furthermore, a state in which all means for adding a dross scraping opening to the open well portion is applied is shown.
図面中、先行技術の反射溶解炉の部材や部分と同一のも
のには同一の符号を用いて説明する。In the drawings, the same components and parts as those of the prior art reflective melting furnace are designated by the same reference numerals.
符号10は本考案によるオープンウェル型反射溶解炉で、
11は溶解室で、17は加熱用バーナーで、12はオープンウ
ェル部である。図から明らかなように、オープンウェル
部の溶解室との境界部の幅W2は溶解室の幅W1よりも大き
くされているので、溶解室とオープンウェル部を接続す
る炉壁18は溶解室から横断方向外方に突出し扉13のガイ
ドを兼ね、溶湯の流動を阻害するような突出した部分を
必要としない。Reference numeral 10 is an open well type reflective melting furnace according to the present invention,
11 is a melting chamber, 17 is a heating burner, and 12 is an open well part. As is clear from the figure, since the width W 2 of the boundary portion between the open well portion and the melting chamber is made larger than the width W 1 of the melting chamber, the furnace wall 18 connecting the melting chamber and the open well portion is melted. There is no need for a protruding portion that protrudes outward in the transverse direction from the chamber and also serves as a guide for the door 13 and that obstructs the flow of the molten metal.
また、オープンウェル部の炉壁は、ほぼ半円弧形の曲面
にされていて、スターラー15により移動される溶湯を炉
壁18に沿って矢印のように半円形の流線を成してスムー
スに流動させる。Further, the furnace wall of the open well portion is formed into a curved surface of a substantially semi-arc shape, and the molten metal moved by the stirrer 15 is smoothly formed along the furnace wall 18 in a semicircular streamline as shown by an arrow. Fluidize.
溶解室の奥の両隅は符合19で示すように隅取りされてい
る。Both corners at the back of the melting chamber are chamfered as indicated by reference numeral 19.
オープンウェル部の炉壁の、炉体の横断方向でスターラ
ー15と反対側にはドロス掻きだし口16を設け、スターラ
ー15により溶解室からオープンウェル部に向かって移動
される溶湯表面のドロスを排出する。A dross scraping port 16 is provided on the side of the furnace wall of the open well part opposite to the stirrer 15 in the transverse direction of the furnace body, and the dross on the surface of the molten metal that is moved from the melting chamber toward the open well part by the stirrer 15 is discharged. To do.
［効果］ オープンウェル部の炉壁が、溶解室の境界部から手前に
向かって幅が減少する半円弧状にされているため、オー
プンウェル部内での溶湯は半円弧状の炉壁に沿ってスム
ースに流動し、さらにオープンウェル部と溶解室の境界
部の幅W2が溶解室の幅W1よりも大きくされていることか
ら、境界部において溶湯の流動を阻害する要因がすべて
解消される。[Effect] Since the furnace wall of the open well part has a semi-arcuate shape whose width decreases from the boundary of the melting chamber toward you, the molten metal in the open well part follows the semi-arcuate furnace wall. Smooth flow, and since the width W 2 of the boundary between the open well and the melting chamber is made larger than the width W 1 of the melting chamber, all the factors that obstruct the flow of the molten metal at the boundary are eliminated. .
また、スターラー15と反対側にドロス掻きだし口16を設
けたことにより、前記の炉室の形状の改良によってスム
ースに流動するようにされた溶湯の表面からドロスを有
効に掻き出すという効果も達成される。Further, by providing the dross scraping port 16 on the side opposite to the stirrer 15, the effect of effectively scraping the dross from the surface of the molten metal that is made to smoothly flow by the improvement of the shape of the furnace chamber is achieved. It
第１図は本考案のオープンウェル型反射溶解炉の炉体の
構造を示す平面図で、第２図（Ａ）は従来技術によるオ
ープンウェル型反射溶解炉の炉体の平面図であり、第２
図（Ｂ）は同じくその側面図である。 図面中の符号 10:オープンウェル型反射溶解炉,11:溶解室,12:オープ
ンウェル部,13:扉,14:支柱、15:スターラー、16:ドロス
掻きだし口。FIG. 1 is a plan view showing a structure of a furnace body of an open well type reflective melting furnace of the present invention, and FIG. 2 (A) is a plan view of a furnace body of a conventional open well type reflective melting furnace. Two
FIG. 3B is a side view of the same. Reference numeral 10 in the drawing: open-well type reflective melting furnace, 11: melting chamber, 12: open-well part, 13: door, 14: strut, 15: stirrer, 16: dross scraping opening.
Claims (2)
のオープンウェル部と、装入された素材を溶解するため
に前記オープンウェル部に連続して配置されて炉壁と天
井とにより外気から遮断された溶解室と、前記オープン
ウェル部と溶解室との境界に配置され横断方向左右の炉
壁から横断方向内方に突出する一対の支柱部と、この支
柱部に案内されて溶湯表面のやや下方と上方との間を上
下動され前記オープンウェル部と溶解室とを仕切る扉
と、前記オープンウェル部と溶解室とに跨って炉体の下
方に配置されたスターラーを有し全体として平面図とし
て矩形のオープンウェル型反射溶解炉において： 前記オープンウェル部に代えて、前記溶解室との接続部
を直径とし、この接続部と反対側側端部を頂点とし、ほ
ぼ半円弧状の炉室を画制して形成され、この半円弧状の
炉室の直径に相当する接続部の幅は溶解室の横断方向の
内側幅よりも大きくされたオープンウェル部と、前記支
持柱に代えて溶解室とオープンウェル部の境界部の段差
のある炉壁が前記の扉を上下動可能に案内するガイドと
されていることを特徴とするスターラー付オープンウェ
ル型反射溶解炉。1. An open well part for charging a material of a non-ferrous metal to be melted, and a furnace wall and a ceiling arranged continuously to the open well part for melting the charged material. A melting chamber that is shielded from the outside air, a pair of pillar portions that are arranged at the boundary between the open well portion and the melting chamber and project inward in the lateral direction from the furnace walls on the left and right in the transverse direction, and the molten metal guided by these pillar portions. A door that is vertically moved between a lower side and an upper side of the surface to partition the open well portion and the melting chamber, and a stirrer arranged below the furnace body across the open well portion and the melting chamber. In a rectangular open-well type reflective melting furnace as a plan view: In place of the open well part, the connecting part with the melting chamber has a diameter, and the end on the opposite side to this connecting part has an apex, and is approximately a semi-arc shape. To control the furnace room of The width of the connecting portion corresponding to the diameter of the semicircular arc-shaped furnace chamber is larger than the inner width of the melting chamber in the transverse direction, and the melting column and the open well instead of the supporting column. An open-well type reflex melting furnace with a stirrer, characterized in that a furnace wall having a step at the boundary of the parts serves as a guide for vertically moving the door.
炉において、前記オープンウェル部の横断方向で前記ス
ターラーの反対側にドロス掻きだし口が設けられている
ことを特徴とするスターラー付オープンウェル型反射溶
解炉。2. The open well type reflective melting furnace according to claim 1, wherein a dross scraping opening is provided on the side opposite to the stirrer in the transverse direction of the open well portion. Type reflective melting furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988074340U JPH0720553Y2 (en) | 1988-06-06 | 1988-06-06 | Open well type reflective melting furnace with stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988074340U JPH0720553Y2 (en) | 1988-06-06 | 1988-06-06 | Open well type reflective melting furnace with stirrer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01178594U JPH01178594U (en) | 1989-12-21 |
| JPH0720553Y2 true JPH0720553Y2 (en) | 1995-05-15 |
Family
ID=31299457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988074340U Expired - Lifetime JPH0720553Y2 (en) | 1988-06-06 | 1988-06-06 | Open well type reflective melting furnace with stirrer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0720553Y2 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57200555U (en) * | 1981-06-12 | 1982-12-20 | ||
| JPS61185993U (en) * | 1985-05-02 | 1986-11-20 | ||
| JPS62229784A (en) * | 1986-03-31 | 1987-10-08 | 神鋼電機株式会社 | Electromagnetic stirrer of molten metal and melting furnace |
-
1988
- 1988-06-06 JP JP1988074340U patent/JPH0720553Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01178594U (en) | 1989-12-21 |
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