JPH05340524A - Furnace for waste disposal, and method therefor - Google Patents
Furnace for waste disposal, and method thereforInfo
- Publication number
- JPH05340524A JPH05340524A JP4153514A JP15351492A JPH05340524A JP H05340524 A JPH05340524 A JP H05340524A JP 4153514 A JP4153514 A JP 4153514A JP 15351492 A JP15351492 A JP 15351492A JP H05340524 A JPH05340524 A JP H05340524A
- Authority
- JP
- Japan
- Prior art keywords
- waste
- furnace
- section
- melting
- combustion
- 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.)
- Granted
Links
- 239000002699 waste material Substances 0.000 title claims abstract description 166
- 238000000034 method Methods 0.000 title claims description 11
- 238000002844 melting Methods 0.000 claims abstract description 67
- 230000008018 melting Effects 0.000 claims abstract description 67
- 230000002093 peripheral effect Effects 0.000 claims abstract description 12
- 238000002485 combustion reaction Methods 0.000 claims description 55
- 239000002893 slag Substances 0.000 claims description 39
- 238000007599 discharging Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 abstract description 20
- 239000002956 ash Substances 0.000 abstract description 17
- 239000000428 dust Substances 0.000 abstract description 16
- 150000002013 dioxins Chemical class 0.000 abstract description 11
- 239000000567 combustion gas Substances 0.000 abstract description 7
- 239000010801 sewage sludge Substances 0.000 abstract description 6
- 239000002440 industrial waste Substances 0.000 abstract description 5
- 238000007664 blowing Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 abstract description 3
- 235000002918 Fraxinus excelsior Nutrition 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000003895 groundwater pollution Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- -1 Incombustibles Substances 0.000 description 1
- VYEVVQZCRCIDJX-UHFFFAOYSA-N Cl.Cl.Cl.Cl.O1C=COC=C1 Chemical compound Cl.Cl.Cl.Cl.O1C=COC=C1 VYEVVQZCRCIDJX-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920006328 Styrofoam Polymers 0.000 description 1
- 231100000770 Toxic Equivalency Factor Toxicity 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000008261 styrofoam Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Gasification And Melting Of Waste (AREA)
- Incineration Of Waste (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、廃棄物の処理方法に係
り、詳しくは自動車シュレッダーダスト，産業廃棄物，
都市ごみ，下水汚泥等の廃棄物を燃焼させると共に、そ
れらの焼却灰を高温で溶融して無害化するようにした廃
棄物処理炉および廃棄物処理炉による廃棄物の処理方法
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for treating waste, and more specifically, automobile shredder dust, industrial waste,
The present invention relates to a waste treatment furnace for burning waste such as municipal waste and sewage sludge, and melting the incinerated ash at high temperature to render it harmless, and a waste treatment method by the waste treatment furnace.
【０００２】[0002]
【従来の技術】周知のように、近年では廃棄物の処理が
社会問題化している。即ち、廃棄物は埋立て処分したり
焼却処分されていたが、近年では大都市域における処分
地の確保が困難になり、また処分地の遠距離化に伴う処
分コストの上昇というような問題や、埋立て処分後にお
ける重金属類の地下水汚染等の二次公害の発生という問
題を抱えていた。そこで、最近では減容化による埋立地
の延命化や重金属類のスラグ中への封じ込みによる地下
水汚染防止やスラグの有効活用等の観点から廃棄物を焼
却・溶融する技術が注目されるようになってきている。As is well known, the treatment of waste has become a social problem in recent years. In other words, waste was disposed of by landfill or incineration, but in recent years it has become difficult to secure land for disposal in metropolitan areas, and there are problems such as an increase in disposal costs due to the distant disposal of land. However, there was a problem of secondary pollution such as groundwater pollution of heavy metals after landfill disposal. Therefore, recently, the technology to incinerate and melt waste has been attracting attention from the viewpoints of extending the life of landfills by reducing volume, preventing groundwater pollution by containing heavy metals in slag, and effectively utilizing slag. It has become to.
【０００３】下水汚泥等の廃棄物を焼却すると共に、焼
却により生じた焼却灰を溶融処理する技術は、例えば、
特開昭６１−７０３１４号公報において開示されてい
る。以下、上記技術に係る旋回流式燃焼溶融炉を、その
一部切欠き斜視図の図３を参照しながらその概要を説明
すると、図に示す符号５１は、傾斜円筒状の炉体、符号
５２はこの炉体５１の先端部に設けられたバーナであ
り、このバーナ５２はオイル供給管５３とオイル圧送用
の圧縮空気供給管５４とオイル燃焼用の圧縮空気供給管
５５から供給されるオイルを燃焼させ、高温の燃焼ガス
を炉体５１の内部に吹込むものである。A technique for incinerating waste such as sewage sludge and melting the incinerated ash produced by the incineration is, for example,
It is disclosed in Japanese Patent Laid-Open No. 61-70314. Hereinafter, the outline of the swirl-flow combustion melting furnace according to the above technique will be described with reference to FIG. 3 which is a partially cutaway perspective view. Reference numeral 51 in the drawing indicates a slanted cylindrical furnace body, reference numeral 52. Is a burner provided at the tip of the furnace body 51. The burner 52 supplies oil supplied from an oil supply pipe 53, a compressed air supply pipe 54 for oil pressure feed, and a compressed air supply pipe 55 for oil combustion. The combustion gas is burned and a high-temperature combustion gas is blown into the furnace body 51.
【０００４】また、符号５６は炉体５１のバーナ５２に
近い先方部に炉体５１の内壁に対して接線方向に設けら
れた原料噴射管で、下水汚泥等を乾燥させた乾燥汚泥の
ような粉体原料をファンにより供給する原料供給管５７
と燃焼用熱風を供給する熱風供給管５８とを備え、粉体
原料を燃焼用熱風に乗せて炉体５１の内部へ接線方向に
噴射するものである。Further, reference numeral 56 is a raw material injection pipe provided tangentially to the inner wall of the furnace body 51 at the end portion near the burner 52 of the furnace body 51, such as dry sludge obtained by drying sewage sludge and the like. Raw material supply pipe 57 for supplying powder raw material by a fan
And a hot air supply pipe 58 for supplying hot air for combustion, and the powder raw material is placed on the hot air for combustion and jetted tangentially into the inside of the furnace body 51.
【０００５】従って、噴射された乾燥汚泥等の粉体原料
および燃焼用熱風は、炉体５１の内部を旋回しながらバ
ーナ５２による加熱で燃焼されると共に、その焼却灰は
溶融スラグとなる。この溶融スラグは、断面が縮小され
た炉体基部の炉出口部５９から下方へ流下すると共に、
溶融スラグ排出口６２から排出される。Therefore, the sprayed powdered raw material such as dried sludge and the hot air for combustion are burned by heating by the burner 52 while swirling inside the furnace body 51, and the incinerated ash becomes molten slag. The molten slag flows down from the furnace outlet 59 of the furnace base having a reduced cross section,
It is discharged from the molten slag discharge port 62.
【０００６】なお、この場合、炉出口部５９から３０〜
２５０ｍｍ程度の近い位置には３００〜５００℃程度の
高温の燃焼用熱風を上記噴射により生じる旋回流と同一
方向に噴射する熱風噴射管６０が設けられており、これ
により炉体５１内の炉出口部５９に近い部分に熱風によ
るエアーカーテンを形成して未燃物や未溶融の焼却灰が
炉外への流出を防止するようにしている。In this case, from the furnace outlet 59 to 30-
A hot air injection pipe 60 for injecting hot combustion hot air of about 300 to 500 ° C. in the same direction as the swirling flow generated by the above injection is provided at a position close to about 250 mm, whereby the furnace outlet in the furnace body 51 is provided. An air curtain is formed by hot air near the portion 59 to prevent unburned materials and unmelted incinerated ash from flowing out of the furnace.
【０００７】[0007]
【発明が解決しようとする課題】上記旋回流式燃焼溶融
炉の場合、発熱量や形状が一定で安定している下水汚泥
のような廃棄物の場合には燃焼が安定するので特に問題
が生じないが、例えばプラスチック，ゴム，金属，木
片，ガラス等の可燃物および不燃物が混合され、かつ形
状もさまざまで数μｍ〜数１０ｃｍものまで含まれてい
る一般の産業廃棄物，自動車シュレッダーダスト，都市
ごみ等の廃棄物では燃焼が不安定になり、炉の燃焼温度
が低い場合にはスラグ化率が悪くなるだけでなく、ダイ
オキシン類等の有害物質が多量に排出されてしまうとい
う解決すべき課題が生じる。In the case of the above swirl flow type combustion melting furnace, combustion is stable in the case of waste such as sewage sludge, which has a stable calorific value and shape, and a particular problem occurs. However, for example, general industrial waste mixed with combustible and incombustible materials such as plastic, rubber, metal, wood chips, glass, etc., and having various shapes up to several μm to several tens of cm, automobile shredder dust, Combustion becomes unstable with waste such as municipal waste, and when the combustion temperature of the furnace is low, not only the slag conversion rate deteriorates, but also a large amount of harmful substances such as dioxins are emitted. Challenges arise.
【０００８】従って、本発明の目的とするところは、自
動車シュレッダーダスト，産業廃棄物，都市ごみ，下水
汚泥等の廃棄物を確実に燃焼させると共に高温度で溶融
し、ダイオキシン類の発生を抑制することを可能ならし
める廃棄物処理炉および廃棄物処理炉による廃棄物の処
理方法を提供するにある。[0008] Therefore, the object of the present invention is to reliably combust waste such as automobile shredder dust, industrial waste, municipal solid waste, and sewage sludge, and at the same time melt at high temperature to suppress the generation of dioxins. It is to provide a waste treatment furnace and a method for treating waste by the waste treatment furnace that enables the above.
【０００９】[0009]
【課題を解決するための手段】本発明は、上記課題を解
決するためになされたものであって、従って本発明の請
求項１に係る廃棄物処理炉の特徴とするところは、先端
部に燃焼バーナを備え、かつ内周壁に対する接線方向に
廃棄物が燃焼用空気と共に吹込まれる廃棄物供給孔を少
なくとも２つ備えた円筒状の廃棄物焼却炉部と、該廃棄
物焼却炉部の反燃焼バーナ側の炉出口部が内周壁に対し
て接線方向から連通し、下部に溶融スラグを排出するス
ラグ排出口を備えたサイクロン式溶融炉部とからなる構
成にしたところにある。SUMMARY OF THE INVENTION The present invention has been made to solve the above problems. Therefore, the feature of the waste treatment furnace according to claim 1 of the present invention lies in the tip. A cylindrical waste incinerator section provided with a combustion burner and provided with at least two waste supply holes into which waste is blown together with combustion air in a tangential direction to the inner peripheral wall, and a reversal of the waste incinerator section. The combustion outlet side of the combustion burner is tangentially connected to the inner peripheral wall, and the cyclone type melting furnace section is provided with a slag discharge port for discharging the molten slag in the lower part.
【００１０】また、本発明の請求項２に係る廃棄物処理
炉の特徴とするところは、先端部に燃焼バーナを備え、
かつ内周壁に対する接線方向に廃棄物が燃焼用空気と共
に吹込まれる廃棄物供給孔を備えた円筒状の廃棄物焼却
炉部と、該廃棄物焼却炉部の反燃焼バーナ側の炉出口部
が接線方向から連通し、旋回流方向に加熱炎を噴射させ
る溶融用加熱装置を備え、かつ同方向に溶融させる廃棄
物が空気輸送により吹込まれる廃棄物供給孔を備えると
共に、下部に溶融スラグを排出するスラグ排出口を備え
たサイクロン式溶融炉部とからなる構成にしたところに
ある。Further, the feature of the waste treatment furnace according to claim 2 of the present invention is that a combustion burner is provided at the tip end,
In addition, a cylindrical waste incinerator section having a waste supply hole through which waste is blown together with combustion air in a tangential direction to the inner peripheral wall, and a furnace outlet section on the anti-combustion burner side of the waste incinerator section are provided. It is equipped with a melting heating device that communicates from the tangential direction and injects a heating flame in the swirling direction, and also has a waste supply hole through which the waste to be melted in the same direction is blown by pneumatic transportation, and a molten slag is provided at the bottom. It is composed of a cyclone type melting furnace section having a slag discharge port for discharging.
【００１１】また、本発明の請求項３に係る廃棄物の処
理方法の特徴とするところは、請求項２記載の廃棄物処
理炉による廃棄物の処理方法において、廃棄物を予め可
燃分が多い廃棄物と不燃分が多い廃棄物とに選別し、選
別した可燃分が多い廃棄物を廃棄物焼却炉部に供給する
一方、選別した不燃分の多い廃棄物をサイクロン式溶融
炉部に供給するところにある。A feature of the waste treatment method according to claim 3 of the present invention is that in the waste treatment method by the waste treatment furnace according to claim 2, the waste has a large amount of combustible components in advance. The waste is sorted into waste with a large amount of incombustibles, and the sorted waste with a large amount of combustibles is supplied to the waste incinerator section, while the sorted waste with a large amount of incombustibles is supplied to the cyclone melting furnace section. Where it is.
【００１２】[0012]
【作用】本発明の請求項１に係る廃棄物処理炉によれ
ば、廃棄物供給孔が少なくとも２つ設けられているの
で、燃焼バーナ側よりの廃棄物供給孔から可燃物の多い
廃棄物を供給し、他の廃棄物供給孔から不燃物の多い廃
棄物を供給することにより、廃棄物焼却炉部における燃
焼を安定させることができるので、サイクロン式溶融炉
部内温度を高温に保持することができる。In the waste treatment furnace according to the first aspect of the present invention, since at least two waste supply holes are provided, the waste supply hole from the combustion burner side is used to remove waste with a large amount of combustible substances. It is possible to stabilize the combustion in the waste incinerator section by supplying waste and supplying waste with a large amount of incombustible from other waste supply holes, so it is possible to maintain the temperature inside the cyclone melting furnace section at a high temperature. it can.
【００１３】本発明の請求項２に係る廃棄物処理炉によ
れば、溶融用加熱装置によってサイクロン式溶融炉部の
炉内をより高温にすることができるので、廃棄物燃焼炉
部からサイクロン式溶融炉部内に流入した廃棄物の未燃
分や未燃ガスを確実に燃焼させ、かつ焼却灰や不燃物を
高温で溶融することができる。According to the waste treatment furnace of the second aspect of the present invention, since the inside of the cyclone type melting furnace section can be heated to a higher temperature by the heating device for melting, the waste combustion furnace section is changed to the cyclone type furnace. It is possible to surely burn unburned matter and unburned gas of the waste that has flowed into the melting furnace portion, and to incinerate incinerated ash and incombustible matter at a high temperature.
【００１４】本発明の請求項３に係る廃棄物の処理方法
によれば、可燃分が多い廃棄物が廃棄物焼却炉部に供給
されるので、供給される廃棄物は旋回されながら燃焼バ
ーナによる加熱によって安定して燃焼され、その焼却灰
は炉出口部を通ってサイクロン式溶融炉部に到り、この
サイクロン式溶融炉部内において旋回されながら溶融用
加熱装置による加熱により溶融される一方、サイクロン
式溶融炉部に供給された不燃分の多い廃棄物は旋回され
ながら、その可燃分が燃焼されると共にその焼却灰と不
燃分が溶融用加熱装置による加熱により溶融される。According to the waste treatment method of the third aspect of the present invention, since the waste having a large amount of combustibles is supplied to the waste incinerator section, the supplied waste is swirled by the combustion burner. Stable combustion by heating, the incinerated ash reaches the cyclone type melting furnace section through the furnace outlet, is melted by the heating by the melting heating device while being swirled in the cyclone type melting furnace section, while the cyclone While the waste containing a large amount of incombustible supplied to the type melting furnace section is swirled, its combustibles are burned and the incinerated ash and the incombustibles are melted by the heating by the melting heating device.
【００１５】[0015]
【実施例】以下、本発明に係る廃棄物処理炉の実施例
を、その側面断面構成説明図の図１と、図１のＡ−Ａ線
断面図の図２とを参照しながら説明すると、この廃棄物
処理炉１は、図１から良く理解されるように、廃棄物焼
却炉部２とサイクロン式溶融炉部３とで一体的に構成さ
れてなるものである。EXAMPLES Examples of the waste treatment furnace according to the present invention will be described below with reference to FIG. 1 which is a side sectional configuration explanatory view and FIG. 2 which is a sectional view taken along the line AA of FIG. As is well understood from FIG. 1, the waste treatment furnace 1 is composed of a waste incinerator section 2 and a cyclone type melting furnace section 3 which are integrally formed.
【００１６】より詳しくは、廃棄物焼却炉部２は、図１
における左先端が若干上向きになるように傾斜した円筒
状に形成され、その先端部には燃焼バーナ２ａが設けら
れており、この燃焼バーナ２ａには図示しないオイル供
給管とオイル微粒化用の圧縮空気供給管とオイル燃焼用
の圧縮空気供給管とが連通している。この燃焼バーナ２
ａは供給されたオイルを燃焼させ、高温の燃焼ガスを廃
棄物焼却炉部２内に吹込むものである。More specifically, the waste incinerator unit 2 is shown in FIG.
Is formed in a cylindrical shape that is inclined so that its left tip end is slightly upward, and a combustion burner 2a is provided at its tip end. This combustion burner 2a has an oil supply pipe (not shown) and a compression for oil atomization. The air supply pipe and the compressed air supply pipe for oil combustion communicate with each other. This combustion burner 2
Reference character a is for burning the supplied oil and blowing hot combustion gas into the waste incinerator section 2.
【００１７】また、廃棄物焼却炉部２の上記燃焼バーナ
２ａに近い先方部には、この廃棄物焼却炉部２の内周壁
に対して接線方向に向いて開口する廃棄物供給孔２ｂ，
２ｃが所定の間隔で設けられており、これら廃棄物供給
孔２ｂ，２ｃは廃棄物を図示しないファンにより供給管
を通して燃焼用熱風と共にこの廃棄物焼却炉部２の内部
へ接線方向に噴射するものである。このように、廃棄物
を接線方向に噴射するのは、旋回させることにより廃棄
物を高温の炉内周壁に押つけ、かつ滞留時間を長くして
廃棄物の可燃分をより完全に燃焼させるためである。Further, in the front part of the waste incinerator section 2 near the combustion burner 2a, a waste material supply hole 2b opening tangentially to the inner peripheral wall of the waste incinerator section 2,
2c are provided at a predetermined interval, and these waste supply holes 2b and 2c tangentially inject waste into the inside of this waste incinerator part 2 together with hot air for combustion through a supply pipe by a fan (not shown). Is. In this way, the waste is tangentially injected in order to press the waste against the high temperature inner wall of the furnace by swirling it, and to prolong the residence time to burn the combustibles of the waste more completely. Is.
【００１８】従って、廃棄物供給孔２ｂ，２ｃから炉内
周壁に対して接線方向に噴射された廃棄物は、廃棄物焼
却炉部２の内部を旋回しつつ燃焼バーナ２ａによる加熱
によって燃焼されると共に、焼却灰，廃棄物の未燃分，
不燃物，燃焼ガス等は断面が縮小された炉体基部の炉出
口部２ｄを通って後述する構成になるサイクロン式溶融
炉部３に流入する。Therefore, the waste injected from the waste supply holes 2b and 2c in the tangential direction to the inner peripheral wall of the furnace is burned by the combustion burner 2a while swirling inside the waste incinerator section 2. Along with incineration ash, unburned waste,
Incombustibles, combustion gas, etc. flow into the cyclone-type melting furnace section 3 having a configuration described later through the furnace outlet section 2d of the furnace body base section having a reduced cross section.
【００１９】上記サイクロン式溶融炉部３は、周知のサ
イクロンの内部形状と同等の内部形状を有するもので、
廃棄物焼却炉部２の反燃焼バーナ２ａ側の炉出口部２ｄ
が接線方向から連通する上部に内径が同径の円胴部を備
え、下部に漏斗状部を備える一方、炉出口部２ｄの連通
部より若干下方位置には、円胴部の内周壁に対して接線
方向に開口し、オイルの供給を受けて燃焼ガスを接線方
向に吹出す溶融用バーナ３ａが設けられている。燃焼ガ
スを接線方向に吹出すのは、旋回させることにより焼却
灰や不燃物を高温の炉内周壁に押つけ、かつ滞留時間を
長くしてより完全に溶融させてスラグ化率を向上させる
ためである。The cyclone type melting furnace section 3 has an internal shape equivalent to that of a known cyclone.
Furnace outlet 2d on the side of the anti-combustion burner 2a of the waste incinerator 2
Is provided with a circular cylinder part having the same inner diameter in the upper part communicating with the tangential direction and a funnel-shaped part in the lower part, while at a position slightly lower than the communication part of the furnace outlet part 2d, with respect to the inner peripheral wall of the circular cylinder part Is provided in the tangential direction, and a melting burner 3a is provided which receives the supply of oil and blows out the combustion gas in the tangential direction. The combustion gas is blown out in a tangential direction in order to press the incineration ash and incombustibles against the high temperature inner wall of the furnace by swirling and to lengthen the residence time to melt more completely and improve the slag formation rate. Is.
【００２０】さらに、漏斗状部の円胴部に近い位置に
は、例えば空送される不燃廃棄物あるいは不燃分を多く
含む廃棄物を内周壁の接線方向に吹込む廃棄物供給孔３
ｂが設けられている。なお、円胴部の上部から屈曲して
外方に連通してなるものは、排ガスを排出する排ガスダ
クト部３ｃであり、また下方に開口しているものは溶融
スラグＳを排出するスラグ排出口３ｄであり、このスラ
グ排出口３ｄは後述する構成になるスラグ抜出し装置４
に連通している。Further, at a position close to the cylindrical portion of the funnel-shaped portion, for example, a waste material supply hole 3 for injecting an incombustible waste material or a waste material containing a large amount of incombustible material in the tangential direction of the inner peripheral wall, for example.
b is provided. In addition, what is bent from the upper part of the cylindrical portion and communicates with the outside is the exhaust gas duct portion 3c that discharges the exhaust gas, and the one that opens downward is the slag discharge port that discharges the molten slag S. 3d, and this slag discharge port 3d has a configuration described later.
Is in communication with.
【００２１】上記スラグ抜出し装置４は、傾斜配設され
たケーシング４ａ内に多数のモールド４ｂを搬送するチ
ェーンコンベア４ｃと、その下方側にモールド４ｂから
落下したスラグをケーシング４ａ外に排出するスクリュ
フィーダ４ｄが内設され、チェーンコンベア４ｃの搬送
先側の下方位置に２重スライドゲート４ｅを有するスラ
グ排出部を備えている。上記チェーンコンベア４ｃはケ
ーシング４ａの上部に設けた駆動モータ４ｆにより駆動
されるように構成されている。The slag extracting device 4 includes a chain conveyor 4c that conveys a large number of molds 4b in a casing 4a that is inclined, and a screw feeder that discharges the slag that has fallen from the mold 4b to the outside of the casing 4a. 4d is provided internally, and a slag discharge part having a double slide gate 4e is provided at a lower position on the transport destination side of the chain conveyor 4c. The chain conveyor 4c is configured to be driven by a drive motor 4f provided above the casing 4a.
【００２２】そのため、サイクロン式溶融炉部３の内壁
を伝ってスラグ排出口３ｄから自然流下する溶融スラグ
Ｓはモールド４ｂの中へ入れられ、チェーンコンベア４
ｃによる搬送中に冷却・固化され、２重スライドゲート
４ｅを経てスラグ排出部の下方のスラグコンテナ５に貯
えられ、このスラグコンテナ５が固化したスラグで満た
されると所定の場所に移動・集積されると共に、固化し
たスラグは例えば建築資材等として有効活用に供され
る。Therefore, the molten slag S that naturally flows down from the slag discharge port 3d along the inner wall of the cyclone type melting furnace section 3 is put into the mold 4b, and the chain conveyor 4
It is cooled and solidified during the transportation by c and stored in the slag container 5 below the slag discharge part through the double slide gate 4e. In addition, the solidified slag is effectively used as a building material, for example.
【００２３】なお、サイクロン式溶融炉部３の下方は温
度が低下し易く、流下中に溶融スラグＳが固まってこの
サイクロン式溶融炉部３のスラグ排出口３ｄに閉塞トラ
ブルが発生する恐れがあるので、ケーシング４ａの外方
にエジェクター４ｇを設けて、高温の排ガスをスラグ抜
出し装置４のケーシング４ａ内に吸引し、吸引した排ガ
スによりスラグ抜出し装置４を加熱するようにしてい
る。The temperature below the cyclone type melting furnace section 3 is likely to drop, and the molten slag S may be solidified during the flowing down, which may cause a clogging trouble in the slag discharge port 3d of the cyclone type melting furnace section 3. Therefore, the ejector 4g is provided outside the casing 4a to suck the high-temperature exhaust gas into the casing 4a of the slag extracting device 4 and heat the slag extracting device 4 by the sucked exhaust gas.
【００２４】以下、上記構成になる廃棄物処理炉１の作
用態様を説明すると、上流側の廃棄物供給孔２ｂからは
発熱量の高い廃棄物を、また下流側の廃棄物供給孔２ｃ
からは発熱量の低い廃棄物をそれぞれ選別供給する。上
流側の廃棄物供給孔２ｂから発熱量の高い廃棄物が供給
されるので、燃焼バーナ２ａによる加熱によりこの廃棄
物が燃焼されて廃棄物燃焼炉部２の内部温度が高くな
る。さすれば、高い炉温によって下流側の廃棄物供給孔
２ｃから供給された発熱量の低い廃棄物が効果的に燃焼
されるので、廃棄物燃焼炉部２における廃棄物の燃焼が
安定する。The operation mode of the waste treatment furnace 1 having the above structure will be described below. Waste having a high calorific value is discharged from the waste supply hole 2b on the upstream side and waste supply hole 2c on the downstream side.
Will select and supply the waste with low calorific value. Since waste having a high calorific value is supplied from the waste supply hole 2b on the upstream side, the internal temperature of the waste combustion furnace part 2 becomes high because the waste is burned by the heating by the combustion burner 2a. Then, since the waste having a low calorific value supplied from the waste supply hole 2c on the downstream side is effectively burned by the high furnace temperature, the combustion of the waste in the waste combustion furnace section 2 is stabilized.
【００２５】上記廃棄物燃焼炉部２では、廃棄物の大部
分、好ましくは８０％以上をガス化・燃焼させる。次い
で、その可燃分の残量やガス化されたＣＯ、Ｈ2 等の未
燃ガスは炉出口部２ｄを通ってサイクロン式溶融炉部３
に流入するが、このサイクロン式溶融炉部３には溶融用
バーナ３ａが設けられていて、これにより加熱されてい
るので、上記可燃分の残量やガス化されたＣＯ、Ｈ2 等
の未燃ガスは完全燃焼されてしまうこととなる。この場
合、溶融用バーナ３ａは廃棄物燃焼炉部２から流入する
排ガス温度が低い場合に活用されるもので、排ガス温度
が高く灰の融点以上である場合には活用する必要がない
ものである。In the waste combustion furnace section 2, most of the waste, preferably 80% or more, is gasified and combusted. Next, the remaining amount of combustibles and unburned gas such as gasified CO and H 2 pass through the furnace outlet 2d and the cyclone type melting furnace 3
However, since the cyclone type melting furnace section 3 is provided with a melting burner 3a and is heated by the melting burner 3a, the remaining amount of combustible components and CO, H 2 etc. The fuel gas will be completely burned. In this case, the melting burner 3a is used when the temperature of the exhaust gas flowing from the waste combustion furnace section 2 is low, and does not need to be used when the temperature of the exhaust gas is high and equal to or higher than the melting point of ash. ..
【００２６】また、廃棄物燃焼炉部２から流入する排ガ
ス中に未燃物，未燃ガスが多量に含まれている場合も、
溶融用バーナ３ａに燃料を供給せず、燃焼空気のみまた
は酸素富化空気のみを供給してこれらを完全燃焼させて
サイクロン式溶融炉部３の炉内温度を灰の溶融点以上に
保持することができる。Further, when the exhaust gas flowing from the waste combustion furnace section 2 contains a large amount of unburned substances and unburned gas,
Fuel is not supplied to the melting burner 3a, but only combustion air or oxygen-enriched air is supplied to completely burn these and maintain the temperature inside the cyclone-type melting furnace section 3 above the melting point of ash. You can
【００２７】ところで、不燃物と可燃物とが混在してい
る自動車シュレッダーダスト，産業廃棄物，都市ごみ等
の廃棄物では、事前に不燃分の多い廃棄物と可燃分の多
い廃棄物とに選別し、可燃分の多い廃棄物を廃棄物燃焼
炉部２に供給すると共に、不燃分の多い廃棄物を廃棄物
供給孔３ｂからサイクロン式溶融炉部３に供給すること
も可能である。By the way, in the case of waste such as automobile shredder dust, industrial waste, and municipal waste in which incombustibles and combustibles are mixed, it is preliminarily sorted into wastes with a large amount of incombustibles and wastes with a large amount of combustibles. However, it is also possible to supply waste with a large amount of combustible content to the waste combustion furnace section 2 and supply waste with a large amount of incombustible content to the cyclone-type melting furnace section 3 through the waste material supply hole 3b.
【００２８】廃棄物を選別する場合、例えば廃棄物が自
動車シュレッダーダストである場合には、３ｍｍの篩目
を有する篩装置（図示省略）によって自動車シュレッダ
ーダストを選別し、３ｍｍ以上の自動車シュレッダーダ
ストを廃棄物燃焼炉部２に、また３ｍｍ未満の自動車シ
ュレッダーダストをサイクロン式溶融炉部３に供給すれ
ば良い。When the waste is sorted, for example, when the waste is automobile shredder dust, the automobile shredder dust is sorted by a sieving device (not shown) having 3 mm sieve mesh, and the automobile shredder dust of 3 mm or more is sorted. It suffices to supply the waste combustion furnace section 2 and the automobile shredder dust of less than 3 mm to the cyclone type melting furnace section 3.
【００２９】つまり、自動車シュレッダーダストをこの
ように篩い分けすると、自動車シュレッダーダストの性
状から必然的に大きさが３ｍｍ以上のものには可燃分が
多く含まれ、逆に大きさが３ｍｍ未満のものには不燃分
が多く含まれることになるからである。このように、篩
装置の篩目を３ｍｍとしたのは、繰り返し試験によって
知見したものであって、篩目が３ｍｍ未満や、３ｍｍを
超える場合には何れも自動車シュレッダーダストを効果
的に選別することが難しいからである。That is, when the automobile shredder dust is sieved in this way, the size of 3 mm or more inevitably contains a large amount of combustible components due to the properties of the automobile shredder dust, and conversely the size is less than 3 mm. This is because a large amount of incombustibles will be contained in. As described above, the reason why the sieve mesh of the sieving device is set to 3 mm is the result of the repeated test, and when the sieve mesh is less than 3 mm or exceeds 3 mm, the automobile shredder dust is effectively selected. Because it is difficult.
【００３０】その他、廃棄物を風力選別により選別し
て、最も軽い紙類，スポンジ，発泡スチロール等の発熱
量の高いものを廃棄物燃焼炉部１の廃棄物供給孔２ｂ
に、プラスチック，ゴム等のように少し燃焼性が悪いも
のを廃棄物供給孔２ｃに供給すると共に、ガラス，アル
ミニウム，銅等の不燃物を廃棄物供給孔３ｂからサイク
ロン式溶融炉部３に供給することも可能で、とくに支障
のないことを確認した。In addition, the waste is sorted by wind sorting, and the lightest paper, sponge, styrofoam, etc., which has a high calorific value, is supplied to the waste feed hole 2b of the waste combustion furnace section 1.
In addition, a material such as plastic, rubber, etc. having a slightly poor flammability is supplied to the waste supply hole 2c, and an incombustible material such as glass, aluminum, and copper is supplied to the cyclone-type melting furnace section 3 from the waste supply hole 3b. It was possible to do so, and it was confirmed that there was no particular problem.
【００３１】以上では、サイクロン式溶融炉部３に燃料
の燃焼による溶融用バーナ３ａを設けた例を説明した
が、例えば発電プラント付の廃棄物処理場においては安
価な電気を使用することが可能であり、このような溶融
用バーナ３ａに代えてプラズマトーチ（図示省略）を使
用することができ、サイクロン式溶融炉部３の炉内温度
の高温化に対して多大な効果がある。Although the example in which the cyclone type melting furnace section 3 is provided with the melting burner 3a for burning the fuel has been described above, it is possible to use inexpensive electricity in a waste treatment plant equipped with a power plant, for example. Therefore, a plasma torch (not shown) can be used in place of such a melting burner 3a, which has a great effect on raising the temperature inside the cyclone type melting furnace section 3.
【００３２】周知のように、プラズマは非常に高温であ
って、ダイオキシン類等の有害物質を分解する能力が極
めて大きいからである。また、燃料の燃焼による溶融用
バーナ３ａを用いる場合に比較して排ガス量が少なくな
るので、同一投入熱量ならば排ガス処理設備の小型化が
可能になるという経済効果もある。As is well known, plasma is extremely high in temperature and has an extremely large ability to decompose harmful substances such as dioxins. Further, since the amount of exhaust gas is smaller than that in the case of using the melting burner 3a by combustion of fuel, there is also an economic effect that the exhaust gas treatment equipment can be downsized with the same amount of heat input.
【００３３】このように、廃棄物は廃棄物溶融炉２内で
安定燃焼され、そしてこの廃棄物溶融炉２から廃棄物の
未燃分が排出されても、この未燃分と焼却灰とはサイク
ロン式溶融炉部３内において高温度に晒されることによ
り未燃分は確実に燃焼される一方、焼却灰や不燃物等が
高温で溶融されるので、スラグ化率が向上し、しかもダ
イオキシン類が効果的に分解されるので、排ガス中のダ
イオキシン類の含有量を大幅に削減することが可能にな
る。As described above, the waste is stably burned in the waste melting furnace 2, and even if the unburned content of the waste is discharged from the waste melting furnace 2, the unburned content and the incinerated ash are different from each other. While unburned components are surely burned by being exposed to high temperature in the cyclone type melting furnace section 3, incineration ash, incombustibles, etc. are melted at high temperature, so that the slag conversion rate is improved and dioxins are also improved. Is effectively decomposed, so that the content of dioxins in the exhaust gas can be significantly reduced.
【００３４】因みに、この溶融処理炉によって自動車シ
ュレッダーダストを下記の条件で処理した事例を示す。 廃棄物：自動車シュレッダーダスト 処理量：１２５ｋｇ／ｈ 燃焼室バーナ：天燃ガス；８Ｎｍ3 ／ｈ、空気比；
１．０ サイクロン溶融炉バーナ：天然ガス；５Ｎｍ3 ／
ｈ、空気比；１．０ 廃棄物輸送空気：６００Ｎｍ3 ／ｈIncidentally, an example of treating automobile shredder dust under the following conditions by this melting treatment furnace is shown. Waste: Automobile shredder dust Processing amount: 125 kg / h Combustion chamber burner: Natural gas; 8 Nm 3 / h, air ratio;
1.0 Cyclone melting furnace burner: natural gas; 5 Nm 3 /
h, air ratio; 1.0 Waste transport air: 600 Nm 3 / h
【００３５】自動車シュレッダーダストをこのような条
件で廃棄物処理炉１で処理した結果、サイクロン式溶融
炉部３の排ガス排出ダクト部３ｃから排出される排ガス
の組成は、Ｏ2 が７．２３％、ＣＯ2 が１０．２７％、
ＣＯが１５ｐｐｍ、ＮＯX が１２５ｐｐｍ、ダイオキシ
ン類が０．４３（毒性等価換算値）であり、また自動車
シュレッダーダストのスラグ化率は９２．７％であっ
た。また、固化したスラグ中に含まれている有害物質の
成分は表１のようになっていた。As a result of treating automobile shredder dust in the waste treatment furnace 1 under such conditions, the composition of the exhaust gas discharged from the exhaust gas discharge duct section 3c of the cyclone type melting furnace section 3 is 7.23% O 2. , CO 2 is 10.27%,
CO was 15 ppm, NO x was 125 ppm, dioxins were 0.43 (toxic equivalent conversion value), and the slag formation rate of automobile shredder dust was 92.7%. Table 1 shows the components of the harmful substances contained in the solidified slag.
【００３６】[0036]
【表１】 [Table 1]
【００３７】以上の結果から明らかなように、通常の焼
却炉では２，３，７，８の四塩化ダイオキシン毒性等価
換算値で２．０以上のダイオキシン類が排出されるのに
対して、本発明によれば０．４３であって、通常の焼却
炉の約１／５以上になっており、ダイオキシン類の削減
化に対して極めて大きな効果がある一方、スラグの全成
分に対して全く問題のない範囲であり、処分後のこれら
の流出による二次公害の恐れも少なくなることとなる。As is clear from the above results, in the normal incinerator, dioxins of 2,3,7,8, which are equivalent to the toxicity equivalent of 2,3,7,8 tetrachloride dioxin, of 2.0 or more are discharged. According to the invention, it is 0.43, which is about ⅕ or more of that of an ordinary incinerator, and it has an extremely great effect on reduction of dioxins, but has no problem for all components of slag. There is no risk of secondary pollution due to spillage of these substances after disposal.
【００３８】なお、以上では、廃棄物焼却炉部２に二つ
の廃棄物供給孔２ｂと２ｃとが設けられている例を説明
したが、廃棄物供給孔は３以上であっても良いのは勿論
のこと、１つであっても良い。但し、廃棄物供給孔が１
つの場合には、当然、廃棄物焼却炉部２には可燃物およ
び不燃物が混合されてなる廃棄物が供給されるので燃焼
が不安定になり，不燃物と共に多量の可燃物の未燃分、
未燃ガスがサイクロン式溶融炉部３に送られるが、これ
ら可燃物の未燃分、未燃ガスはこのサイクロン式溶融炉
部３内において溶融用バーナあるいは溶融用プラズマト
ーチによる加熱によって燃焼されると共に灰分や不燃物
が溶融されるので、燃焼の安定性では劣るものの、その
効果は二つの廃棄物供給孔を有する場合とほぼ同等であ
る。In the above description, the waste incinerator unit 2 is provided with the two waste supply holes 2b and 2c, but the waste supply holes may be three or more. Of course, it may be one. However, the waste supply hole is 1
In the case of two, as a matter of course, the waste incinerator unit 2 is supplied with the waste that is a mixture of the combustible material and the incombustible material, so that the combustion becomes unstable, and the incombustible material and a large amount of the unburned combustible material ,
The unburned gas is sent to the cyclone type melting furnace section 3, but the unburned components and unburned gas of these combustibles are burned in the cyclone type melting furnace section 3 by heating by a melting burner or a melting plasma torch. At the same time, since ash and incombustibles are melted, the combustion stability is inferior, but the effect is almost the same as in the case of having two waste supply holes.
【００３９】[0039]
【発明の効果】以上詳述したように、本発明に係る廃棄
物処理炉および廃棄物処理炉による廃棄物の処理方法に
よれば、廃棄物の選別供給により廃棄物燃焼炉部におけ
る廃棄物の燃焼が安定化するのに加えて、焼却灰，廃棄
物の未燃分並びに未燃ガス等がサイクロン式溶融炉部に
おいて溶融用バーナあるいは溶融用プラズマトーチによ
り高温加熱されて確実に燃焼され、かつ灰分や不燃物も
確実に溶融されるので、廃棄物のスラグ化率の向上と、
ダイオキシン類の削減とに対して極めて多大な効果があ
る。As described in detail above, according to the waste treatment furnace and the waste treatment method by the waste treatment furnace according to the present invention, the waste in the waste combustion furnace section can be selected and supplied. In addition to stabilization of combustion, incineration ash, unburned components of waste, unburned gas, etc. are reliably burned by being heated to a high temperature by a melting burner or a melting plasma torch in a cyclone type melting furnace section, and As ash and incombustibles are also reliably melted, improving the slag conversion rate of waste,
It has an extremely great effect on the reduction of dioxins.
【図１】本発明の実施例に係る廃棄物処理炉の側面断面
構成説明図である。FIG. 1 is a side sectional configuration explanatory diagram of a waste treatment furnace according to an embodiment of the present invention.
【図２】図１のＡ−Ａ線断面図である。FIG. 2 is a sectional view taken along the line AA of FIG.
【図３】従来技術に係る旋回流式燃焼溶融炉の一部切欠
き斜視図である。FIG. 3 is a partially cutaway perspective view of a swirl type combustion melting furnace according to a conventional technique.
１…廃棄物処理炉、２…廃棄物焼却炉部、２ａ…燃焼バ
ーナ、２ｂ，２ｃ…廃棄物供給孔、２ｄ…炉出口部、３
…サイクロン式溶融炉部、３ａ…溶融用バーナ、３ｂ…
廃棄物供給孔、３ｃ…排ガスダクト部、３ｄ…スラグ排
出口、４…スラグ抜出し装置、５…スラグコンテナ、Ｓ
…溶融スラグ。1 ... Waste treatment furnace, 2 ... Waste incinerator section, 2a ... Combustion burner, 2b, 2c ... Waste supply hole, 2d ... Furnace outlet section, 3
... Cyclone type melting furnace part, 3a ... Melting burner, 3b ...
Waste supply hole, 3c ... Exhaust gas duct part, 3d ... Slag discharge port, 4 ... Slag extraction device, 5 ... Slag container, S
… Molten slag.
Claims (3)
に対する接線方向に廃棄物が燃焼用空気と共に吹込まれ
る廃棄物供給孔を少なくとも２つ備えた円筒状の廃棄物
焼却炉部と、該廃棄物焼却炉部の反燃焼バーナ側の炉出
口部が内周壁に対して接線方向から連通し、下部に溶融
スラグを排出するスラグ排出口を備えたサイクロン式溶
融炉部とからなることを特徴とする廃棄物処理炉。1. A cylindrical waste incinerator section having a combustion burner at its tip and at least two waste supply holes through which waste is blown together with combustion air in a tangential direction to the inner peripheral wall, A furnace outlet on the side of the non-combustion burner of the waste incinerator section is connected to the inner peripheral wall in a tangential direction, and is composed of a cyclone type melting furnace section having a slag discharge port for discharging molten slag at the lower part. Characteristic waste treatment furnace.
に対する接線方向に廃棄物が燃焼用空気と共に吹込まれ
る廃棄物供給孔を備えた円筒状の廃棄物焼却炉部と、該
廃棄物焼却炉部の反燃焼バーナ側の炉出口部が接線方向
から連通し、旋回流方向に加熱炎を噴射させる溶融用加
熱装置を備え、かつ同方向に溶融させる廃棄物が空気輸
送により吹込まれる廃棄物供給孔を備えると共に、下部
に溶融スラグを排出するスラグ排出口を備えたサイクロ
ン式溶融炉部とからなることを特徴とする廃棄物処理
炉。2. A cylindrical waste incinerator section having a combustion burner at a tip end thereof and a waste supply hole into which waste is blown together with combustion air in a tangential direction to an inner peripheral wall, and the waste. The incinerator section has a furnace outlet on the anti-combustion burner side that communicates from the tangential direction. A waste treatment furnace comprising a cyclone-type melting furnace section having a waste supply hole and a slag discharge port for discharging molten slag at a lower portion.
分が多い廃棄物とに選別し、選別した可燃分が多い廃棄
物を廃棄物焼却炉部に供給する一方、選別した不燃分の
多い廃棄物をサイクロン式溶融炉部に供給することを特
徴とする請求項２記載の廃棄物処理炉による廃棄物の処
理方法。3. The waste is preliminarily sorted into a waste with a large amount of combustible content and a waste with a large amount of incombustible content, and the sorted waste with a large amount of combustible content is supplied to the waste incinerator unit, while the sorted noncombustible content is selected. The waste treatment method by the waste treatment furnace according to claim 2, wherein a large amount of waste is supplied to the cyclone-type melting furnace section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4153514A JP2531901B2 (en) | 1992-06-12 | 1992-06-12 | Waste treatment furnace and waste treatment method by the waste treatment furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4153514A JP2531901B2 (en) | 1992-06-12 | 1992-06-12 | Waste treatment furnace and waste treatment method by the waste treatment furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05340524A true JPH05340524A (en) | 1993-12-21 |
| JP2531901B2 JP2531901B2 (en) | 1996-09-04 |
Family
ID=15564206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4153514A Expired - Lifetime JP2531901B2 (en) | 1992-06-12 | 1992-06-12 | Waste treatment furnace and waste treatment method by the waste treatment furnace |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2531901B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005106327A1 (en) * | 2004-04-29 | 2005-11-10 | Adplatech Corporation | Cyclonic plasma pyrolysis system |
| JP2024510016A (en) * | 2021-03-17 | 2024-03-05 | ロックウール アクティーゼルスカブ | gas combustion furnace |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59186633U (en) * | 1983-05-26 | 1984-12-11 | 深町 武一郎 | garbage incinerator |
| JPS6170314A (en) * | 1984-09-11 | 1986-04-11 | Ngk Insulators Ltd | Whirling stream type fired melting furnace |
| JPH0336413A (en) * | 1989-06-30 | 1991-02-18 | Ebara Infilco Co Ltd | Multistage revolving melting furnace |
-
1992
- 1992-06-12 JP JP4153514A patent/JP2531901B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59186633U (en) * | 1983-05-26 | 1984-12-11 | 深町 武一郎 | garbage incinerator |
| JPS6170314A (en) * | 1984-09-11 | 1986-04-11 | Ngk Insulators Ltd | Whirling stream type fired melting furnace |
| JPH0336413A (en) * | 1989-06-30 | 1991-02-18 | Ebara Infilco Co Ltd | Multistage revolving melting furnace |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005106327A1 (en) * | 2004-04-29 | 2005-11-10 | Adplatech Corporation | Cyclonic plasma pyrolysis system |
| US7665407B2 (en) | 2004-04-29 | 2010-02-23 | Adplatech Corporation | Cyclonic plasma pyrolysis/vitrification system |
| JP2024510016A (en) * | 2021-03-17 | 2024-03-05 | ロックウール アクティーゼルスカブ | gas combustion furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2531901B2 (en) | 1996-09-04 |
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