JPH07305970A - Device for air-cooling solidification of molten slag - Google Patents
Device for air-cooling solidification of molten slagInfo
- Publication number
- JPH07305970A JPH07305970A JP6123136A JP12313694A JPH07305970A JP H07305970 A JPH07305970 A JP H07305970A JP 6123136 A JP6123136 A JP 6123136A JP 12313694 A JP12313694 A JP 12313694A JP H07305970 A JPH07305970 A JP H07305970A
- Authority
- JP
- Japan
- Prior art keywords
- molten slag
- pan
- air
- molten
- cooling
- 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.)
- Pending
Links
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Furnace Details (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、廃棄物溶融処理炉より
排出される溶融スラグおよび溶融金属を空冷により小塊
状に固形化するための装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for solidifying molten slag and molten metal discharged from a waste melting treatment furnace into small pieces by air cooling.
【０００２】[0002]
【従来の技術】都市ゴミ焼却残渣，汚泥焼却残渣等の廃
棄物をアーク式の溶融処理炉により溶融し、その溶融ス
ラグを水槽中に落下させて急冷し小塊状に固化してから
埋立投棄することにより、該廃棄物中から重金属類，そ
の他の有害物質が地中に溶出する虞れをなくし二次公害
発生を防止しようとすることが従来から行なわれてい
る。2. Description of the Related Art Wastes such as municipal waste incineration residue and sludge incineration residue are melted in an arc type melting treatment furnace, and the molten slag is dropped into a water tank, rapidly cooled and solidified into small lumps, and then landfilled for disposal. Thus, it has been conventionally attempted to prevent the occurrence of secondary pollution by eliminating the risk that heavy metals and other harmful substances will be eluted into the ground from the waste.
【０００３】[0003]
【発明が解決しようとする課題】ところで上記の処理方
法においては、溶融処理炉より排出される溶融スラグを
水中に落下させ急冷することにより固形化させていた
が、このような水冷による固形化方法では多量の冷却水
を必要としその冷却により汚染された水の処理が新らた
な問題となるものであった。また水冷されたスラグはス
ラグ中に繊維状あるいは多孔性のスラグが多く混在しス
ラグの強度を弱めたり、スラグの取扱に安全上の問題が
あった。In the treatment method described above, the molten slag discharged from the melting treatment furnace is solidified by dropping it into water and rapidly cooling it. Therefore, a large amount of cooling water was required, and the treatment of water contaminated by the cooling was a new problem. Further, in the water-cooled slag, many fibrous or porous slags are mixed in the slag to weaken the strength of the slag, and there is a safety problem in handling the slag.
【０００４】そこで空冷により溶融スラグを冷却するこ
とが考えられたが、通常の空冷によっては溶融スラグを
急冷し難いために大きな塊状になり、スラグ中には金属
も混入しているので破砕は容易でなく、その後の搬送，
貯留，再利用，埋立て等の処理を難くするという問題が
あった。Therefore, it has been considered to cool the molten slag by air cooling, but it is difficult to rapidly cool the molten slag by ordinary air cooling, so that the molten slag becomes a large lump, and the metal is also mixed in the slag, so that the crushing is easy. Not afterwards,
There was a problem that it was difficult to process such as storage, reuse, and landfill.
【０００５】[0005]
【課題を解決するための手段】本発明の溶融スラグ空冷
固形化装置は上記課題を解決しようとするもので、底面
に突条を形成することにより複数のブロックに仕切され
た浅皿状のパンを廃棄物溶融処理炉の溶融スラグ排出口
にコンベヤにより一定方向に移動するように配設してな
ることを特徴とする。SUMMARY OF THE INVENTION The molten slag air-cooling and solidifying device of the present invention is intended to solve the above-mentioned problems, and is a pan in the shape of a shallow plate partitioned into a plurality of blocks by forming a ridge on the bottom surface. Is disposed at the molten slag discharge port of the waste melting treatment furnace so as to be moved in a certain direction by a conveyor.
【０００６】また本発明の溶融スラグ空冷固形化装置
は、浅皿状のパンを廃棄物溶融処理炉の溶融スラグ排出
口にコンベヤにより一定方向に移動するように配設する
と共に、該パン内に排出された溶融スラグを吹付圧力に
より複数のブロックに仕切するノズルを該パンの底面に
向けて圧縮空気が吹出されるように配設してなることを
特徴とする。In the molten slag air-cooling and solidifying device of the present invention, a pan in the shape of a shallow dish is arranged at the molten slag discharge port of the waste melting treatment furnace so as to be moved in a certain direction by a conveyor, and the pan is placed in the pan. A nozzle for partitioning the discharged molten slag into a plurality of blocks by spraying pressure is arranged so that compressed air is blown toward the bottom surface of the pan.
【０００７】また本発明の溶融スラグ空冷固形化装置
は、底面に突条を形成することにより複数のブロック状
に仕切された浅皿状のパンを廃棄物溶融処理炉の溶融ス
ラグ排出口にコンベヤにより一定方向に移動するように
配設すると共に、該パン内に排出された溶融スラグを吹
付圧力により複数のブロックに仕切するノズルを該パン
の底面に向けて圧縮空気が吹出されるように配設してな
ることを特徴とする。Further, in the molten slag air-cooling and solidifying device of the present invention, a shallow plate-shaped pan partitioned into a plurality of blocks by forming a ridge on the bottom surface is conveyed to a molten slag discharge port of a waste melting treatment furnace by a conveyor. The nozzle for partitioning the molten slag discharged into the pan into a plurality of blocks by the spraying pressure is arranged so that the compressed air is blown toward the bottom surface of the pan. It is characterized by being installed.
【０００８】[0008]
【作用】パン底面の突条またはノズルからの圧縮空気の
吹付圧力により該パン内の溶融スラグおよび溶融金属が
複数のブロックに分離して冷却され固形化する。これに
よって小塊状の固形化物が得られる。The molten slag and the molten metal in the pan are separated into a plurality of blocks by the pressure of the compressed air blown from the ridges or nozzles on the bottom of the pan and are cooled and solidified. As a result, a small solid substance is obtained.
【０００９】[0009]
【実施例】次に本発明の一実施例を図面と共に説明す
る。図において、１ａ〜１ｆはコンベヤ７上に支持され
矢印の方向に略々水平に進行移動する方形浅皿状のパン
で、該パンは鋼材等の耐熱性の材料により成形され、底
面には進行方向と直交する突条２が定間隔で一体に形成
されている。なお突条２の高さは固形化物の離脱性をも
考慮し数センチ以下にするのが望ましい。また該突条２
は図示したように横断面台形状に形成することにより固
形化物の離脱性が良いように考慮されている。An embodiment of the present invention will be described with reference to the drawings. In the figure, 1a to 1f are square shallow pan-shaped pans supported on the conveyor 7 and moving substantially horizontally in the direction of the arrow. The pans are formed of a heat-resistant material such as steel, and the pans are formed on the bottom surface. The ridges 2 orthogonal to the direction are integrally formed at regular intervals. The height of the ridges 2 is preferably several cm or less in consideration of the detachability of the solid material. In addition, the ridge 2
As shown in the figure, it is considered that the solidified product can be easily released by forming the trapezoidal cross section.
【００１０】３は廃棄物溶融処理炉の溶融スラグ排出口
で、溶融スラグ４は該排出口３から移動するパン１ａ〜
１ｆ中に略々一定量宛排出される。排出された溶融スラ
グ４中の溶融金属４′は図３に示したようにパン内底部
に沈み少なくとも該溶融金属４′は複数のブロックに仕
切られるようにする。Reference numeral 3 denotes a molten slag discharge port of a waste melting treatment furnace, and molten slag 4 has pans 1a to 1a moving from the discharge port 3.
It is discharged to a fixed amount during 1f. The molten metal 4'in the discharged molten slag 4 sinks to the inner bottom of the pan as shown in FIG. 3 so that at least the molten metal 4'is divided into a plurality of blocks.
【００１１】５ａ，５ｂは該排出口３よりパンの進行方
向下流側に設けられた圧縮空気ヘッダで、該各ヘッダの
下面には複数のノズル６，６，６，…が進行方向に沿っ
て配設され、ブロワ（図示せず）から該各ヘッダに圧送
された圧縮空気か該ノズル６，６，６，…から高速で吹
出し、その吹付圧力によりパン内の溶融スラグ４が図４
に示したようにさらに複数のブロックに仕切られるよう
にする。Reference numerals 5a and 5b denote compressed air headers provided on the downstream side of the outlet 3 in the traveling direction of the pan, and a plurality of nozzles 6, 6, 6, ... Are provided on the lower surface of each header along the traveling direction. Compressed air, which is provided and blown from a blower (not shown) to each header, is blown out at high speed from the nozzles 6, 6, 6, ..., And the molten slag 4 in the pan is blown by the blowing pressure.
It is divided into multiple blocks as shown in.
【００１２】このようにパン１ａ〜１ｆに排出された溶
融スラグおよび溶融金属は、圧縮空気の吹付圧力および
突条２により複数のブロック状に仕切された状況で矢印
の方向に移動し空冷されそのまま固形化する。このため
該固形化物には圧縮空気が当たっていた部分および突条
２部分に溝が出来て肉薄になり、該パンを裏返して該固
形化物を離脱させたときに衝撃により簡単に複数の小塊
状に分離する。The molten slag and molten metal discharged to the pans 1a to 1f in this way move in the direction of the arrow and are air-cooled as they are in the state of being divided into a plurality of blocks by the blowing pressure of compressed air and the ridges 2. Solidify. As a result, the solidified material has a groove in the portion where the compressed air hit and the ridge 2 and becomes thin, and when the pan is turned over to separate the solidified material, a plurality of small lumps can be easily formed by impact. To separate.
【００１３】なおこの実施例はパン内底面に突条２を設
けると同時に圧縮空気を吹出すノズル６，６，６，…を
設けた例であるが、突条２を設けただけでも、或いはノ
ズル６，６，６，…を設けただけでもパン内の溶融スラ
グおよび溶融金属を複数のブロックに仕切することがで
きる。ただし両方を併用することにより固形化物の上下
両面に仕切溝を形成できるので分断が一層容易になる利
点がある。In this embodiment, the ridge 2 is provided on the inner bottom surface of the pan and the nozzles 6, 6, 6, ... That blow compressed air are provided at the same time. However, the ridge 2 alone may be provided, or It is possible to partition the molten slag and molten metal in the pan into a plurality of blocks simply by providing the nozzles 6, 6, 6, .... However, by using both of them together, it is possible to form partition grooves on the upper and lower surfaces of the solidified product, so that there is an advantage that the division becomes easier.
【００１４】なお、ノズル６，６，６，…と直交する方
向にも別途に複数のノズルを設ける場合には、図示しな
いが該ノズルがパン１ａ〜１ｆと同調して移動するよう
にし該ノズルから吹出す圧縮空気が移動中も該パン内の
同じ位置に常に吹付けられるよにするのがよい。また冷
却効果を上げるために該パンの近くに冷風扇を設けた
り、或いは該パンの外周面に放熱用のフィンを設ける等
の手段を採るのもよい。When a plurality of nozzles are separately provided in the direction orthogonal to the nozzles 6, 6, 6, ..., The nozzles are arranged so as to move in synchronization with the pans 1a to 1f (not shown). It is advisable to ensure that the compressed air blown out of is always blown to the same position in the pan during movement. Further, in order to improve the cooling effect, a means such as providing a cool air fan near the pan or providing a fin for heat radiation on the outer peripheral surface of the pan may be adopted.
【００１５】[0015]
【発明の効果】このように本発明の溶融スラグ空冷固形
化装置によれば、溶融スラグおよび溶融金属を容易に小
塊状に固形化できるので、その後の搬送，貯蔵，磁力選
別，或いは埋立て等の再利用を行い易くする有益な効果
がある。また、水砕と異なり繊維状のスラグ、多孔性の
スラグが発生せず、充実した粒形の固化スラグを造形す
ることができるという効果がある。As described above, according to the molten slag air-cooling and solidifying apparatus of the present invention, the molten slag and the molten metal can be easily solidified into small pieces, so that subsequent transportation, storage, magnetic separation, landfilling, etc. It has the beneficial effect of making it easier to reuse. Further, unlike water granulation, fibrous slag and porous slag are not generated, and solid grained solidified slag can be molded.
【図１】本発明に係る溶融スラグ空冷固形化装置の一実
施例を示した要部の斜視図。FIG. 1 is a perspective view of a main part showing an embodiment of a molten slag air-cooling and solidifying device according to the present invention.
【図２】本発明に係る溶融スラグ空冷固形化装置の一実
施例を示した縦断面図。FIG. 2 is a vertical cross-sectional view showing an embodiment of a molten slag air-cooling and solidifying device according to the present invention.
【図３】図１のＡーＡ線断面図。FIG. 3 is a sectional view taken along the line AA of FIG.
【図４】図１のＢーＢ線断面図。FIG. 4 is a sectional view taken along line BB of FIG.
１ａ〜１ｆ パン ２ 突条 ３ 溶融スラグ排出口 ４ 溶融スラグ ４′ 溶融金属 ５ａ，５ｂ 圧縮空気ヘッダ ６ ノズル ７ コンベヤ 1a-1f Pan 2 Ridges 3 Molten slag discharge port 4 Molten slag 4'Molten metal 5a, 5b Compressed air header 6 Nozzle 7 Conveyor
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｃ０４Ｂ 5/00 Ｂ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Internal reference number FI technical display location C04B 5/00 B
Claims (3)
ブロックに仕切された浅皿状のパンを廃棄物溶融処理炉
の溶融スラグ排出口にコンベヤにより一定方向に移動す
るように配設してなることを特徴とした溶融スラグ空冷
固形化装置。1. A shallow plate-shaped pan divided into a plurality of blocks by forming a ridge on the bottom surface is arranged at a molten slag discharge port of a waste melting treatment furnace so as to move in a certain direction by a conveyor. A molten slag air-cooling solidification device characterized by the following.
スラグ排出口にコンベヤにより一定方向に移動するよう
に配設すると共に、該パン内に排出された溶融スラグを
吹付圧力により複数のブロックに仕切するノズルを該パ
ンの底面に向けて圧縮空気が吹出されるように配設して
なることを特徴とする溶融スラグ空冷固形化装置。2. A shallow dish-shaped pan is arranged at a molten slag discharge port of a waste melting treatment furnace so as to be moved in a certain direction by a conveyor, and a plurality of molten slag discharged into the pan is blown by a spraying pressure. 2. A molten slag air-cooling and solidifying device, characterized in that a nozzle for partitioning the block is arranged so that compressed air is blown toward the bottom surface of the pan.
ブロック状に仕切された浅皿状のパンを廃棄物溶融処理
炉の溶融スラグ排出口にコンベヤにより一定方向に移動
するように配設すると共に、該パン内に排出された溶融
スラグを吹付圧力により複数のブロックに仕切するノズ
ルを該パンの底面に向けて圧縮空気が吹出されるように
配設してなることを特徴とする溶融スラグ空冷固形化装
置。3. A shallow plate-shaped pan, which is divided into a plurality of blocks by forming a ridge on the bottom surface, is arranged at a molten slag discharge port of a waste melting treatment furnace so as to be moved in a certain direction by a conveyor. In addition, a nozzle for partitioning the molten slag discharged into the pan into a plurality of blocks by a spraying pressure is arranged so that compressed air is blown toward the bottom surface of the pan. Slag air cooling solidification device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6123136A JPH07305970A (en) | 1994-05-11 | 1994-05-11 | Device for air-cooling solidification of molten slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6123136A JPH07305970A (en) | 1994-05-11 | 1994-05-11 | Device for air-cooling solidification of molten slag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07305970A true JPH07305970A (en) | 1995-11-21 |
Family
ID=14853082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6123136A Pending JPH07305970A (en) | 1994-05-11 | 1994-05-11 | Device for air-cooling solidification of molten slag |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07305970A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009107908A (en) * | 2007-10-31 | 2009-05-21 | Jfe Mineral Co Ltd | Method for producing artificial stone material |
| JP2013177291A (en) * | 2012-01-31 | 2013-09-09 | Jfe Steel Corp | Shape control apparatus for solidified slag, shape control method for solidified slag, and solidified slag |
| JP2013177292A (en) * | 2012-01-31 | 2013-09-09 | Jfe Steel Corp | Heat recovery system and heat recovery method for solidified slag |
| JP2014131950A (en) * | 2012-12-04 | 2014-07-17 | Jfe Steel Corp | Coagulation slag production apparatus, production apparatus of coarse aggregate for concrete, coagulation slag production method, and production method of coarse aggregate for concrete |
| KR102201227B1 (en) * | 2019-07-30 | 2021-01-11 | 주식회사 제이피에스 | System for processing slag by unit solidification |
-
1994
- 1994-05-11 JP JP6123136A patent/JPH07305970A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009107908A (en) * | 2007-10-31 | 2009-05-21 | Jfe Mineral Co Ltd | Method for producing artificial stone material |
| JP2013177291A (en) * | 2012-01-31 | 2013-09-09 | Jfe Steel Corp | Shape control apparatus for solidified slag, shape control method for solidified slag, and solidified slag |
| JP2013177292A (en) * | 2012-01-31 | 2013-09-09 | Jfe Steel Corp | Heat recovery system and heat recovery method for solidified slag |
| JP2014131950A (en) * | 2012-12-04 | 2014-07-17 | Jfe Steel Corp | Coagulation slag production apparatus, production apparatus of coarse aggregate for concrete, coagulation slag production method, and production method of coarse aggregate for concrete |
| KR102201227B1 (en) * | 2019-07-30 | 2021-01-11 | 주식회사 제이피에스 | System for processing slag by unit solidification |
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