JP2000274649A - Ash melting furnace - Google Patents
Ash melting furnaceInfo
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- JP2000274649A JP2000274649A JP11082598A JP8259899A JP2000274649A JP 2000274649 A JP2000274649 A JP 2000274649A JP 11082598 A JP11082598 A JP 11082598A JP 8259899 A JP8259899 A JP 8259899A JP 2000274649 A JP2000274649 A JP 2000274649A
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- Prior art keywords
- furnace
- furnace bottom
- electrode
- metal layer
- upper electrode
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- Processing Of Solid Wastes (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、都市ごみ、産業廃
棄物等の被焼却物を焼却した際に生成される飛灰を溶融
処理する灰溶融炉に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ash melting furnace for melting fly ash generated when incinerated materials such as municipal waste and industrial waste are incinerated.
【０００２】[0002]
【従来の技術】従来、都市ごみ等の焼却炉から排出され
る飛灰（ダスト）は埋め立て処分されていたが、埋め立
て地の枯渇や有害重金属類の溶出による地下汚染等が問
題になってきた。そのため、例えば、特開昭５８−０３
０３８２号「ダストの処理方法」、特開昭６０−０５４
７８０号「ダストの溶融処理炉」、特公昭６３−０５１
７５５号「ダストの処理方法」等においては、飛灰を灰
溶融炉で溶融処理して溶融固化を行ない、減容化及び無
害化を図っている。2. Description of the Related Art Conventionally, fly ash (dust) discharged from incinerators such as municipal solid waste has been disposed of in landfills. . Therefore, for example, Japanese Patent Application Laid-Open No. 58-03 / 1983
0382 "Dust treatment method", JP-A-60-054
No. 780 "Dust melting furnace", JP-B-63-051
In No. 755 “Dust treatment method” and the like, fly ash is melted and solidified by ash melting furnace to reduce the volume and render it harmless.
【０００３】図２に示す電気抵抗式の灰溶融炉における
溶融処理を以下に説明する。灰溶融炉１において、被溶
融物供給系２から投入口３を介して炉１内に被溶融物
（飛灰）Ｘが供給された後、電極棒昇降手段（図示せ
ず）により電極棒４の上下位置を調整して、給電手段５
の作動により、電極棒４と炉底電極６との間でアーク放
電を行なって、飛灰Ｘをアーク熱により溶融状態に導
き、溶融物が形成された後にあっては、電極棒４と炉底
電極６との間の通電加熱により、溶融状態を保持する。
このとき、発熱は炉底電極６の近傍に生じて、溶融物の
温度が、炉底電極６の近傍で高くなり（例えば１４００
℃程度）、電極棒４の回りでは温度が相対的にくなる
（例えば１２００℃程度）という温度勾配が発生してい
る。The melting process in the electric resistance type ash melting furnace shown in FIG. 2 will be described below. In the ash melting furnace 1, after a melt (fly ash) X is supplied from the melt supply system 2 into the furnace 1 through the charging port 3, the electrode rod 4 is moved by an electrode rod lifting / lowering means (not shown). The vertical position of the power supply means 5
Arc discharge is caused between the electrode rod 4 and the furnace bottom electrode 6 to fly the fly ash X into a molten state by arc heat, and after the melt is formed, the electrode rod 4 and the furnace The molten state is maintained by the electric heating between the bottom electrode 6.
At this time, heat is generated in the vicinity of the bottom electrode 6 and the temperature of the melt increases near the bottom electrode 6 (for example, 1400).
A temperature gradient around the electrode rod 4 occurs (for example, about 1200 ° C.).
【０００４】灰溶融炉１に投入された飛灰Ｘを溶融状態
に導くと、溶融物は、比重差に基づいて、比重の比較的
小さい塩層ａ、比重の中程度のスラグ層ｂ、比重の比較
的大きいＦｅ，Ｚｎ，Ｃｄ，Ｐｂ，Ｈｇ等の重金属類か
らなるメタル層ｃに分離する。メタル層ｃは、これら重
金属等が炉底電極６の上に蓄積してベースメタル部を形
成し、以下、沈降した重金属等がこのベースメタル部に
取り込まれる。When the fly ash X fed into the ash melting furnace 1 is brought into a molten state, the molten material is converted into a salt layer a having a relatively small specific gravity, a medium slag layer b having a specific gravity, and a specific gravity based on the specific gravity difference. Is separated into a metal layer c composed of heavy metals such as Fe, Zn, Cd, Pb, and Hg, which have a relatively large thickness. In the metal layer c, these heavy metals and the like accumulate on the furnace bottom electrode 6 to form a base metal portion, and thereafter, the precipitated heavy metals and the like are taken into the base metal portion.
【０００５】塩層ａ、スラグ層ｂ及びメタル層ｃの出滓
は、炉壁に設けられた塩出滓口７、スラグ出滓口８及び
メタル出銑口９を適宜開放することにより行なわれる。
このとき、メタル出銑口９から外部に取り出されるメタ
ル層ｃは、高濃度に濃縮した金属からなり、再利用する
ことができる。[0005] The slag of the salt layer a, the slag layer b and the metal layer c is formed by appropriately opening the salt slag port 7, slag slag port 8 and metal tap hole 9 provided on the furnace wall. .
At this time, the metal layer c taken out from the metal tap hole 9 is made of a highly concentrated metal and can be reused.
【０００６】また、飛灰の溶融時には、飛灰中に含まれ
ている揮発性ガス分が、飛灰とともに持ち込まれた空気
等の排ガスとともに、排ガス口１０から排ガス処理手段
１１に送り込まれる。排ガス処理手段１１では、排ガス
中に含まれる可燃性ガスやＮＯｘ，ＳＯｘ，ＨＣｌ等の
酸性ガスを捕集するとともに、この溶融の際に発生した
飛灰（以下、溶融飛灰という。）に残留している有害重
金属を重金属固定剤により固定化する等の無害化処理が
行なわれる。[0006] When the fly ash is melted, the volatile gas contained in the fly ash is sent from the exhaust gas port 10 to the exhaust gas treatment means 11 together with the exhaust gas such as air brought in with the fly ash. The exhaust gas treatment means 11 captures combustible gas and acidic gas such as NOx, SOx, HCl and the like contained in the exhaust gas, and remains in fly ash generated during the melting (hereinafter referred to as molten fly ash). Detoxification treatment is performed, such as fixing the harmful heavy metal that has been used with a heavy metal fixing agent.
【０００７】[0007]
【発明が解決しようとする課題】ところで、多量の飛灰
が処理可能な径が大きな灰溶融炉では、中心部に配する
電極棒４からの熱が十分炉壁まで伝達されず、炉壁１２
の温度が上昇し難くなる。そのため、メタル出銑口９か
らメタル層ｃの金属を出銑する際に、金属に十分な流動
性を持たせることができず、出銑が困難になるという問
題があった。この場合、金属出銑用の補助加熱機構１３
を備えることによりその問題を回避できるが、炉は複雑
になるとともにコストの上昇をまねいてしまうという問
題があった。In a large ash melting furnace capable of processing a large amount of fly ash, the heat from the electrode rods 4 disposed at the center is not sufficiently transmitted to the furnace wall, and the furnace wall 12 has a large diameter.
Temperature is difficult to rise. Therefore, when tapping the metal of the metal layer c from the metal tap hole 9, there is a problem that the metal cannot have sufficient fluidity and tapping becomes difficult. In this case, the auxiliary heating mechanism 13 for metal tapping
However, there is a problem that the furnace becomes complicated and increases the cost.
【０００８】本発明は、上述した事情に鑑みてなされた
もので、メタル層の金属の出銑口からの出銑が容易であ
り、金属出銑用の補助加熱機構を必要としない灰溶融炉
を提供する事を目的とする。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and it is easy to tap a metal of a metal layer from a tap hole and does not need an auxiliary heating mechanism for tapping metal. The purpose is to provide.
【０００９】[0009]
【課題を解決するための手段】上記目的を達成するため
の本発明は、以下の構成を採用した。請求項１に記載の
灰溶融炉は、都市ごみや産業廃棄物等の被焼却物を焼却
した際に生成される飛灰を投入する炉本体と、該炉本体
の上部に設置される上部電極と、該炉本体の炉底部に前
記上部電極と対向状態に設置される炉底電極と、前記上
部電極を昇降する電極昇降手段とを備え、前記炉本体内
に投入された飛灰を前記上部電極と前記炉底電極との間
に通電して溶融し、前記炉底部に生成される重金属から
なるメタル層を前記炉本体に設けた出銑口から排出する
ようにした灰溶融炉において、前記メタル層が形成され
る前記炉底部内面がすり鉢状に形成され、その中心部に
前記炉底電極が配置され、前記出銑口が前記炉底部内面
の傾斜面から炉外部に挿通していることを特徴とする。To achieve the above object, the present invention employs the following constitution. The ash melting furnace according to claim 1, wherein a furnace main body into which fly ash generated when incinerated objects such as municipal waste and industrial waste are incinerated, and an upper electrode installed on an upper part of the furnace main body are provided. A furnace bottom electrode installed on the furnace bottom of the furnace body in opposition to the upper electrode; and electrode lifting means for lifting and lowering the upper electrode. The fly ash charged into the furnace body is In an ash melting furnace in which an electric current is applied between the electrode and the furnace bottom electrode to be melted, and a metal layer made of a heavy metal generated in the furnace bottom is discharged from a taphole provided in the furnace body. The inner surface of the furnace bottom where the metal layer is formed is formed in a mortar shape, the furnace bottom electrode is disposed at the center thereof, and the taphole is inserted from the inclined surface of the inner surface of the furnace bottom to the outside of the furnace. It is characterized by.
【００１０】この灰溶融炉では、炉底部内面をすり鉢状
にしたので、そこに形成されるメタル層の径は小さく、
メタル層の外周は上部電極と炉底電極とを結ぶ軸線に近
い構成である。従って、メタル層は、上部電極と炉底電
極との間でアーク放電あるいは通電による加熱により溶
融しやすい。従って、通常のスラグ層を溶融する条件で
同時にメタル層も溶融させることができる。[0010] In this ash melting furnace, since the inner surface of the furnace bottom is formed in a mortar shape, the diameter of the metal layer formed there is small,
The outer periphery of the metal layer has a configuration close to the axis connecting the upper electrode and the furnace bottom electrode. Therefore, the metal layer is easily melted between the upper electrode and the furnace bottom electrode by arc discharge or heating by energization. Therefore, the metal layer can be melted at the same time under the condition that the normal slag layer is melted.
【００１１】請求項２に記載の灰溶融炉は、請求項１に
記載の灰溶融炉において、前記出銑口は、前記上部電極
の軸線を中心として該軸線に直交する水平面上に描いた
該上部電極の直径の２．５倍の円内にその開口部が位置
するように配置されていることを特徴とする。According to a second aspect of the present invention, in the ash melting furnace according to the first aspect, the tap hole is drawn on a horizontal plane orthogonal to the axis of the upper electrode. The upper electrode is arranged so that its opening is located within a circle 2.5 times the diameter of the upper electrode.
【００１２】この灰溶融炉では、出銑口の開口部は、前
記アーク放電あるいは通電による加熱によりメタル層の
金属が溶融する範囲に位置している。In this ash melting furnace, the opening of the taphole is located in a range where the metal of the metal layer is melted by the arc discharge or heating by energization.
【００１３】[0013]
【発明の実施の形態】以下、本発明に係る灰溶融炉の好
適な実施形態を図１を参照して説明する。尚、図２にお
いて既に説明した構成要素には同一の符号を付してその
説明を省略する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the ash melting furnace according to the present invention will be described below with reference to FIG. Note that the same reference numerals are given to the components already described in FIG. 2 and description thereof is omitted.
【００１４】灰溶融炉２１は、都市ごみや産業廃棄物等
の被焼却物を焼却した際に生成される飛灰を投入する炉
本体２２と、その炉本体２２の上部に設置される上部電
極２４と、その炉本体２２の炉底部２３に上部電極２４
と対向状態に設置される炉底電極２５と、上部電極２４
を昇降する電極昇降手段（図示せず）とを備え、炉本体
２２内に投入された飛灰（被溶融物）Ｘを上部電極２４
と炉底電極２５との間に通電して溶融し、炉底部２３に
形成する重金属からなるメタル層ｃを炉本体２２に設け
た出銑口２６から排出するようにしている。この灰溶融
炉２１の特徴は、メタル層ｃが形成される炉底部内面２
３ａがすり鉢状に形成され、その中心部２３ｃに炉底電
極２５が配置され、出銑口２６が炉底部内面２３ａの傾
斜面２３ｂから炉外部に挿通している点である。The ash melting furnace 21 includes a furnace body 22 into which fly ash generated when incinerated materials such as municipal waste and industrial waste are incinerated, and an upper electrode installed on the furnace body 22. 24 and an upper electrode 24 on the furnace bottom 23 of the furnace body 22.
A furnace bottom electrode 25 installed opposite to the
Electrode ascending / descending means (not shown) for elevating the fly ash (the material to be melted) X charged into the furnace body 22.
The metal layer c made of heavy metal formed in the furnace bottom 23 is discharged from a tap hole 26 provided in the furnace main body 22 by flowing electricity between the furnace bottom electrode 25 and the furnace bottom electrode 25 and melting. The feature of this ash melting furnace 21 is that the furnace bottom inner surface 2 where the metal layer c is formed
3a is formed in a mortar shape, the furnace bottom electrode 25 is disposed in the center portion 23c, and the tap hole 26 is inserted from the inclined surface 23b of the furnace bottom inner surface 23a to the outside of the furnace.
【００１５】上部電極２４は、丸棒状の炭素材等からな
る。また、炉底電極２５は、耐熱性及び導電性材料であ
る例えばＭｇＯ−Ｃ材等の導電性を有する耐火物からな
る。The upper electrode 24 is made of a round bar-shaped carbon material or the like. The furnace bottom electrode 25 is made of a heat-resistant and conductive refractory, such as a MgO-C material, which is a conductive material.
【００１６】上記灰溶融炉２１において、被溶融物供給
系２から適量の被溶融物Ｘが炉本体２２内に投入される
と、上部電極２４と炉底電極２５との間で行うアーク放
電を行い、炉内の被溶融物の溶融が開始される。溶融
は、上部電極２４の軸線から外側へ徐々に進んでいく。
そうして溶融状態になった被溶融物は、比重差に基づい
て、比重の比較的小さい塩層ａ、比重の中程度のスラグ
層ｂ、比重の比較的大きいＦｅ，Ｚｎ，Ｃｄ，Ｐｂ，Ｈ
ｇ等の重金属類からなるメタル層ｃに分離する。In the ash melting furnace 21, when an appropriate amount of the material X to be melted is supplied from the material supply system 2 into the furnace body 22, arc discharge between the upper electrode 24 and the furnace bottom electrode 25 is performed. Then, melting of the material to be melted in the furnace is started. The melting gradually proceeds from the axis of the upper electrode 24 to the outside.
Based on the specific gravity difference, the molten material in the molten state is converted into a salt layer a having a relatively low specific gravity, a slag layer b having a medium specific gravity, and Fe, Zn, Cd, Pb, having a relatively high specific gravity. H
It is separated into a metal layer c made of heavy metals such as g.
【００１７】被溶融物の分離工程が終了すると、次に、
塩層ａ、スラグ層ｂ及びメタル層ｃの出滓工程に進む。
各層の被溶融物の流動性を高めるために、上部電極２４
と炉底電極２５との間でアーク放電により被溶融物を加
熱する。そして、炉壁に設けられた塩出滓口７、スラグ
出滓口８及び出銑口２６を適宜開放することにより、出
滓を行う。After the step of separating the molten material is completed,
The process proceeds to the step of removing the salt layer a, the slag layer b, and the metal layer c.
In order to increase the fluidity of the melt in each layer, the upper electrode 24
The object to be melted is heated by arc discharge between the electrode and the furnace bottom electrode 25. Then, the tapping is performed by appropriately opening the salt tap 7, the slag tap 8, and the tap hole 26 provided on the furnace wall.
【００１８】この灰溶融炉２１では、炉底部内面２３ａ
をすり鉢状にしたので、そこに形成されるメタル層ｃの
径は小さく、メタル層ｃの外周は上部電極２４と炉底電
極２５とを結ぶ軸線に近く、その間のアーク放電あるい
は通電による加熱により温度が上昇しやすい構成であ
る。従って、通常メタル層ｃは、上記の３層のうち最も
融点が高いが、スラグ層ｂを溶融する条件で同時にメタ
ル層ｃも溶融することができ、金属出銑用の補助加熱機
構を設けなくとも、メタル層の金属を容易に出銑するこ
とができる。また、メタル層ｃが従来型の灰溶融炉に比
べて厚くなるので、金属の出銑に際して行うアーク放電
時に受ける炉底部２３の耐火物の損傷を低減できる。In the ash melting furnace 21, the furnace bottom inner surface 23a
Is formed in a mortar shape, the diameter of the metal layer c formed thereon is small, and the outer periphery of the metal layer c is close to the axis connecting the upper electrode 24 and the furnace bottom electrode 25, and is heated by arc discharge or energization therebetween. The configuration is such that the temperature easily rises. Therefore, although the metal layer c usually has the highest melting point among the above three layers, the metal layer c can also be melted at the same time under the condition of melting the slag layer b, without providing an auxiliary heating mechanism for metal tapping. In both cases, the metal of the metal layer can be easily tapped. In addition, since the metal layer c is thicker than that of the conventional ash melting furnace, damage to the refractory of the furnace bottom portion 23 which is received at the time of arc discharge performed at the time of tapping metal can be reduced.
【００１９】メタル層の金属が前記アーク放電により溶
融可能となる範囲は、通常、上部電極２４の軸線を中心
としてその軸線に直交する水平面上に描いた上部電極２
４の直径の２．５倍の円内なので、その範囲内に、出銑
口２６の開口部２６ａが位置するようにすればよい。The range in which the metal of the metal layer can be melted by the arc discharge is generally defined by the upper electrode 2 drawn on a horizontal plane centered on the axis of the upper electrode 24 and orthogonal to the axis.
4 is within a circle 2.5 times as large as the diameter of 4, so that the opening 26a of the taphole 26 may be positioned within that range.
【００２０】尚、本発明は、都市ごみ焼却炉からの飛灰
の溶融炉だけでなく、石炭灰や下水汚泥の焼却灰等、溶
融処理によってスラグ化する際に、メタルが生成する系
にも適用できる。The present invention is applicable not only to a melting furnace for fly ash from a municipal solid waste incinerator but also to a system in which metal is generated when slag is formed by melting treatment, such as coal ash or sewage sludge incineration ash. Applicable.
【００２１】[0021]
【発明の効果】以上詳細に説明したように、本発明に係
る灰溶融炉によれば、以下のような効果を奏する。As described in detail above, the ash melting furnace according to the present invention has the following effects.
【００２２】請求項１に記載の灰溶融炉によれば、炉底
部内面をすり鉢状にしたので、そこに形成されるメタル
層の径が小さくなり、メタル層の金属は上部電極と炉底
電極との間で行うアーク放電による加熱により溶融しや
すいという効果が得られる。According to the ash melting furnace of the first aspect, since the inner surface of the furnace bottom is formed in a mortar shape, the diameter of the metal layer formed thereon becomes small, and the metal of the metal layer is formed by the upper electrode and the furnace bottom electrode. Thus, the effect of being easily melted by the heating by the arc discharge performed between the steps is obtained.
【００２３】請求項２に記載の灰溶融炉によれば、上部
電極と炉底電極との間で行うアーク放電によりメタル層
の金属が溶融する範囲内に、出銑口の開口部を位置させ
たので、そのアーク放電により金属の出銑が可能であ
り、出銑用の補助加熱機構を設ける必要がないという効
果が得られる。According to the ash melting furnace of the second aspect, the opening of the tap hole is positioned within a range in which the metal of the metal layer is melted by arc discharge between the upper electrode and the furnace bottom electrode. Therefore, metal tapping is possible by the arc discharge, and there is an effect that there is no need to provide an auxiliary heating mechanism for tapping metal.
【図１】 本発明に係る灰溶融炉の好適な実施形態を示
す概略断面図である。FIG. 1 is a schematic sectional view showing a preferred embodiment of an ash melting furnace according to the present invention.
【図２】 従来の灰溶融炉の概略断面図である。FIG. 2 is a schematic sectional view of a conventional ash melting furnace.
１ 灰溶融飛灰 ４ 電極棒（上部電極） ６ 炉底電極 ９ メタル出銑口（出銑口） ２１ 灰溶融炉 ２２ 炉本体 ２３ 炉底部 ２３ａ 炉底部内面 ２３ｂ 傾斜面 ２３ｃ 中心部 ２４ 上部電極 ２５ 炉底電極 ２６ 出銑口 ２６ａ 開口部 Ｘ 飛灰 DESCRIPTION OF SYMBOLS 1 Ash melting fly ash 4 Electrode rod (upper electrode) 6 Furnace bottom electrode 9 Metal tapping hole (Taphole) 21 Ash melting furnace 22 Furnace main body 23 Furnace bottom 23a Furnace bottom inner surface 23b Inclined surface 23c Central part 24 Upper electrode 25 Furnace bottom electrode 26 Tap hole 26a Opening X Fly ash
───────────────────────────────────────────────────── フロントページの続き (72)発明者 上野 俊一朗 神奈川県横浜市磯子区新中原町１番地 石 川島播磨重工業株式会社技術研究所内 (72)発明者 松澤 克明 神奈川県横浜市磯子区新中原町１番地 石 川島播磨重工業株式会社技術研究所内 Ｆターム(参考） 3K061 NB10 NB27 4D004 AA37 BA05 CA29 CB02 CB31 CB43 DA02 DA03 DA20 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Shunichiro Ueno 1 Shin-Nakahara-cho, Isogo-ku, Yokohama-shi, Kanagawa Prefecture Inside the Research Laboratory of Ishikawajima-Harima Heavy Industries, Ltd. (72) Inventor Katsuaki Matsuzawa Shin-Nakahara-cho, Isogo-ku, Yokohama-shi, Kanagawa No. 1 Ishi Kawashima Harima Heavy Industries, Ltd. Technical Research Laboratory F term (reference) 3K061 NB10 NB27 4D004 AA37 BA05 CA29 CB02 CB31 CB43 DA02 DA03 DA20
Claims (2)
却した際に生成される飛灰を投入する炉本体と、該炉本
体の上部に設置される上部電極と、該炉本体の炉底部に
前記上部電極と対向状態に設置される炉底電極と、前記
上部電極を昇降する電極昇降手段とを備え、前記炉本体
内に投入された飛灰を前記上部電極と前記炉底電極との
間に通電して溶融し、前記炉底部に生成される重金属か
らなるメタル層を前記炉本体に設けた出銑口から排出す
るようにした灰溶融炉において、 前記メタル層が形成される前記炉底部内面がすり鉢状に
形成され、その中心部に前記炉底電極が配置され、前記
出銑口が前記炉底部内面の傾斜面から炉外部に挿通して
いることを特徴とする灰溶融炉。1. A furnace body into which fly ash generated when incinerated materials such as municipal waste and industrial waste are incinerated, an upper electrode installed on an upper part of the furnace body, A furnace bottom electrode provided on the furnace bottom in a state facing the upper electrode; and electrode lifting means for lifting and lowering the upper electrode. The fly ash supplied into the furnace body is provided with the upper electrode and the furnace bottom electrode. In the ash melting furnace in which the metal layer made of heavy metal generated at the furnace bottom is discharged from a taphole provided in the furnace main body by being energized and melted between the furnace bottom, the metal layer is formed. Ash melting characterized in that the furnace bottom inner surface is formed in a mortar shape, the furnace bottom electrode is disposed at the center thereof, and the taphole is inserted from the inclined surface of the furnace bottom inner surface to the outside of the furnace. Furnace.
に直交する水平面上に描いた該上部電極の直径の２．５
倍の円内にその開口部が位置するように配置されている
ことを特徴とする灰溶融炉。2. The ash melting furnace according to claim 1, wherein the tap hole has a diameter of 2.5 mm of the upper electrode drawn on a horizontal plane perpendicular to the axis of the upper electrode.
An ash melting furnace characterized in that the ash melting furnace is arranged so that its opening is located within a double circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11082598A JP2000274649A (en) | 1999-03-25 | 1999-03-25 | Ash melting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11082598A JP2000274649A (en) | 1999-03-25 | 1999-03-25 | Ash melting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000274649A true JP2000274649A (en) | 2000-10-03 |
Family
ID=13778933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11082598A Pending JP2000274649A (en) | 1999-03-25 | 1999-03-25 | Ash melting furnace |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000274649A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102641709A (en) * | 2012-04-28 | 2012-08-22 | 苏州市金翔钛设备有限公司 | Vertical type heating tank |
| CN102641708A (en) * | 2012-04-28 | 2012-08-22 | 苏州市金翔钛设备有限公司 | Vertical heating tank |
| CN106918045A (en) * | 2017-03-17 | 2017-07-04 | 中国恩菲工程技术有限公司 | Melting plant for processing flying dust |
| CN107052029A (en) * | 2017-05-03 | 2017-08-18 | 江苏天楹环保能源成套设备有限公司 | A kind of refuse incineration flying dust electric arc melting system |
-
1999
- 1999-03-25 JP JP11082598A patent/JP2000274649A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102641709A (en) * | 2012-04-28 | 2012-08-22 | 苏州市金翔钛设备有限公司 | Vertical type heating tank |
| CN102641708A (en) * | 2012-04-28 | 2012-08-22 | 苏州市金翔钛设备有限公司 | Vertical heating tank |
| CN106918045A (en) * | 2017-03-17 | 2017-07-04 | 中国恩菲工程技术有限公司 | Melting plant for processing flying dust |
| CN107052029A (en) * | 2017-05-03 | 2017-08-18 | 江苏天楹环保能源成套设备有限公司 | A kind of refuse incineration flying dust electric arc melting system |
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