JPS63315819A - Waste melting furnace - Google Patents
Waste melting furnaceInfo
- Publication number
- JPS63315819A JPS63315819A JP14952687A JP14952687A JPS63315819A JP S63315819 A JPS63315819 A JP S63315819A JP 14952687 A JP14952687 A JP 14952687A JP 14952687 A JP14952687 A JP 14952687A JP S63315819 A JPS63315819 A JP S63315819A
- Authority
- JP
- Japan
- Prior art keywords
- take
- melted
- melting furnace
- disposed
- substance
- 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
- 238000002844 melting Methods 0.000 title claims abstract description 31
- 230000008018 melting Effects 0.000 title claims abstract description 31
- 239000002699 waste material Substances 0.000 title claims description 13
- 239000000463 material Substances 0.000 claims description 21
- 238000007599 discharging Methods 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract 7
- 239000000779 smoke Substances 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 18
- 239000002893 slag Substances 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000012768 molten material Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000003570 air Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000013502 plastic waste Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Landscapes
- Gasification And Melting Of Waste (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、被処理物を充填状態で自重下降させる環状供
給路に、その全周にわたって溶融室を連通接続するとと
もに、前記溶融室の底部中央に溶融処理物を高温排ガス
と共に排出する通路を設け、前記排出通路からの溶融処
理物を受止めて貯留する二次溶融炉を設け、前記二次溶
融炉に、そこからの溶融処理物を自然流下により取出す
取出部を設けると共に、前記排出通路からの高温排ガス
を排出する煙道を接続してある廃棄物溶融炉に関する。Detailed Description of the Invention [Industrial Field of Application] The present invention provides a method for connecting a melting chamber over its entire circumference to an annular supply channel through which the processed material is lowered under its own weight in a filled state, A passage for discharging the melted material together with high-temperature exhaust gas is provided in the center, a secondary melting furnace is provided for receiving and storing the melted material from the discharge passage, and the melted material from there is provided in the secondary melting furnace. The present invention relates to a waste melting furnace which is provided with a take-out portion for taking out the waste by gravity flow and is connected to a flue for discharging high-temperature exhaust gas from the discharge passage.
従来の上記廃棄物溶融炉では、取出部を二次溶融炉の底
部に配置し、煙道を溶融処理物の貯留レベルよりも高い
位置に接続してあった(例えば特開昭58−49824
号公報)。In the conventional waste melting furnace mentioned above, the take-out part was arranged at the bottom of the secondary melting furnace, and the flue was connected to a position higher than the storage level of the melted material (for example, Japanese Patent Application Laid-Open No. 58-49824
Publication No.).
しかし、取出部から溶融処理物をスムーズに取出すには
、取出部に専用の加熱装置を設けて、溶融処理物の流動
状態を維持しなければ、自然放熱によって流動性を失っ
てしまう欠点があった。However, in order to smoothly take out the molten material from the take-out section, a special heating device must be installed in the take-out section to maintain the fluidity of the molten material, otherwise it will lose its fluidity due to natural heat radiation. Ta.
本発明の目的は、取出部に専用の加熱装置を設けなくて
も、溶融処理物をスムーズに取出せるようにする点にあ
る。An object of the present invention is to make it possible to smoothly take out the melted product without providing a dedicated heating device in the take-out section.
本発明の廃棄物溶融炉の特徴構成は、取出部をオーバー
フローによって溶融処理物を取出すように溶融処理物の
貯留レベル近くに配置し、煙道を前記取出部に接続して
あることにあり、その作用効果は次の通りである。The characteristic configuration of the waste melting furnace of the present invention is that the take-out part is disposed near the storage level of the melted product so as to take out the melted product by overflow, and the flue is connected to the take-out part, Its effects are as follows.
つまり、二次溶融炉からの高温排ガスは、取出部を通っ
て煙道に流れながら、取出部からオーバーフローによっ
て取出される溶融処理物に熱エネルギーを与え、溶融処
理物の流動性を維持する。In other words, the high-temperature exhaust gas from the secondary melting furnace flows into the flue through the take-out part and gives thermal energy to the melted material taken out by overflow from the take-out part, thereby maintaining the fluidity of the melted material.
従って、取出し部に専用の加熱装置を設けなくとも、溶
融処理物をその流動性を維持した状態でスムーズに取出
すことができ、簡単な構造によって廃棄物の溶融処理に
おけるイニシャルコスト及びランニングコストを下げる
ことができるに至った。Therefore, it is possible to smoothly take out the melted material while maintaining its fluidity without installing a dedicated heating device in the take-out section, and the simple structure reduces the initial cost and running cost of waste melting processing. I was able to do this.
次に、本発明の実施例を、図面に基づいて説明する。 Next, embodiments of the present invention will be described based on the drawings.
第1図に示すように、供給貯留部(1)から供給される
被処理物を、炉外周壁(2)の上側部分(2a)に対す
る下側部分(2b)の駆動回転により全周にわたって分
散させ、被処理物を充填状態で自重下降させる環状供給
路(R)を構成し、前記環状供給路(R)に、その全周
にわたって溶融室(3)を連通接続するとともに、前記
溶融室(3)の底部中央に溶融処理物を高温排ガスと共
に排出する通路(4)を設け、通路(4)からの溶融処
理物を受止めて貯留すると共に、溶融処理物中に含まれ
る未溶融物を滞留させて完全に溶融させるために、プラ
ズマトーチ(5)を付設した二次溶融炉(6)を設け、
二次溶融炉(6)に、そこからの溶融処理物を自然流下
により取出す取出部(11)を、オーバーフローによっ
て溶融処理物を取出すように溶融処理物の貯留レベル近
くに配置し、前記通路(4)からの高温排ガスを排出す
る煙道(7)を、取出部(11)に接続し、煙道(7)
には、その下流側にボイラー等の廃熱回収装置(8)を
設けて、下水汚泥、し原汚泥、都市ゴミ残渣、並びに、
プラスチックゴミ等の夫々の単独物又は混合物を溶融処
理する廃棄物溶融炉を構成してある。As shown in Fig. 1, the workpiece supplied from the supply reservoir (1) is distributed over the entire circumference by driving rotation of the lower part (2b) relative to the upper part (2a) of the outer peripheral wall (2) of the furnace. The melting chamber (3) is connected to the annular supply path (R) over its entire circumference, and the melting chamber (3) is connected to the annular supply path (R) over its entire circumference. 3) is provided with a passageway (4) in the center of the bottom for discharging the melted material together with the high-temperature exhaust gas, which receives and stores the melted material from the passageway (4) and removes unmelted materials contained in the melted material. A secondary melting furnace (6) equipped with a plasma torch (5) is provided to retain and completely melt the melt.
In the secondary melting furnace (6), a take-out part (11) for taking out the melted product from there by gravity flow is arranged near the storage level of the melted product so as to take out the melted product by overflow, and the passage ( Connect the flue (7) for discharging high-temperature exhaust gas from 4) to the extraction part (11), and
A waste heat recovery device (8) such as a boiler is installed downstream of the sewage sludge, raw sludge, municipal waste residue, and
A waste melting furnace is configured to melt plastic waste and other individual objects or mixtures thereof.
前記プラズマトーチ(5)は、放電させるための受電設
備(10)と、エアー、窒素、アルゴンガス、水性ガス
等の内の一種のプロセスガスを加熱対象に高圧で噴出さ
せるプロセスガス供給装置(9)を備え、プロセスガス
を放電エネルギーによって高温のプラズマにして吹出す
ように形成してあり、前記溶融室(3)では1350℃
〜1450℃に加熱された処理物が、二次溶融炉(6)
内の貯留室(6A)では、1500℃〜1600℃にプ
ラズマで加熱され未溶融物でも完全に溶融される。尚、
プロセスガスとしては、処理物中に有機分の多い場合は
エアーを使い、無機質の多い場合は窒素ガスを使う。The plasma torch (5) includes a power receiving equipment (10) for discharging, and a process gas supply device (9) for ejecting a type of process gas such as air, nitrogen, argon gas, water gas, etc. to a heating target at high pressure. ), the process gas is turned into high-temperature plasma by discharge energy, and is blown out.
The processed material heated to ~1450°C is transferred to the secondary melting furnace (6)
The storage chamber (6A) inside is heated by plasma to 1500°C to 1600°C, and even unmelted materials are completely melted. still,
As the process gas, air is used if the processed material contains a large amount of organic matter, and nitrogen gas is used if the material contains a large amount of inorganic material.
前記取出部(11)の下方には、オーバーフローして落
下した溶融処理物を連続的に受止めて、外部からの冷却
空気を供給によって2〜bの冷却速度で冷やし、900
℃になったところで系外に排出されるロータリークーラ
ー(12)を設けてあり、このロータリークーラー(1
2)から排出されるスラグは、結晶徐冷化されて出て来
る。The lower part of the take-out part (11) continuously receives the melted material that has overflowed and fallen, and cools it at a cooling rate of 2 to 900 m by supplying cooling air from the outside.
A rotary cooler (12) is provided, which is discharged from the system when the temperature reaches ℃.
The slag discharged from 2) is slowly cooled into crystals.
尚、ロータリークーラー(12)から排ガスは、排ガス
ダクト(13)を介して煙道に排出される。Note that the exhaust gas from the rotary cooler (12) is discharged into the flue via the exhaust gas duct (13).
前記煙道(7)には、取出部(11)からの高温排ガス
を、溶融処理物と共に下方に向けて並流した後、上方の
二次燃焼室(14)にニーターンさせるニーターン経路
(U)を形成してあり、二次燃焼室(14)では、外部
からのエアーの供給によって、排ガス中の未燃焼ガスを
完全燃焼させるように構成してある。The flue (7) has a knee-turn path (U) in which the high-temperature exhaust gas from the take-out part (11) flows downward together with the molten material and then knee-turns into the upper secondary combustion chamber (14). The secondary combustion chamber (14) is configured to completely burn unburned gas in the exhaust gas by supplying air from the outside.
図中(15)は、水冷ジャケットで取出部(11)の耐
火度を維持してある。In the figure (15), the fire resistance of the extraction part (11) is maintained by a water cooling jacket.
前記プラズマトーチ(5)は、1本以外に複数本でも良
く、燃焼式の加熱バーナであっても良い。The plasma torch (5) may be one or more, and may be a combustion type heating burner.
前記煙道(7)には、第2図に示すように、排ガス中か
ら回収された低沸点重金属を含有する・ダストに対する
低温溶融装置(16)を、二次燃焼室(14)の出口の
下流側に配設して、排ガスの熱エネルギーを利用してダ
ストを溶融するように構成しても良く、図中(17)は
ダスト供給装置で、(18)は、スラグ搬出装置である
。As shown in Figure 2, the flue (7) is equipped with a low-temperature melting device (16) for dust containing low-boiling heavy metals recovered from the exhaust gas at the outlet of the secondary combustion chamber (14). It may be arranged on the downstream side to melt the dust using the thermal energy of the exhaust gas. In the figure, (17) is a dust supply device, and (18) is a slag transport device.
又、1600℃で溶融したスラグの利用方法によっては
、空冷ロータリークーラー(12)以外の水冷式のフラ
イドコンベア等でも可能となり、この時のスラグは、一
般に水滓スラグと呼ばれている。Furthermore, depending on how the slag melted at 1600° C. can be used, it may be possible to use a water-cooled fried conveyor other than the air-cooled rotary cooler (12), and the slag at this time is generally called slag slag.
尚、特許請求の範囲の項に図面との対照を便利にする為
に符号を記すが、該記入により本発明は添付図面の構造
に限定されるものではない。Incidentally, although reference numerals are written in the claims section for convenient comparison with the drawings, the present invention is not limited to the structure shown in the accompanying drawings.
図面は本発明に係る廃棄物溶融炉の実施例を示し、第1
図は全体の断面図、第2図は要部の別実施例を示す断面
図である。
(3)・・・・・・溶融室、(4)・・・・・・通路、
(6)・・・・・・二次溶融炉、(7)・・・・・・煙
道、(11)・・・・・・取出部、(R)・・・・・・
環状供給路。The drawings show an embodiment of the waste melting furnace according to the present invention.
The figure is a sectional view of the whole, and FIG. 2 is a sectional view showing another embodiment of the main part. (3)... Melting chamber, (4)... Passage,
(6)... Secondary melting furnace, (7)... Flue, (11)... Taking out part, (R)...
Circular supply channel.
Claims (1)
に、その全周にわたって溶融室(3)を連通接続すると
ともに、前記溶融室(3)の底部中央に溶融処理物を高
温排ガスと共に排出する通路(4)を設け、前記排出通
路(4)からの溶融処理物を受止めて貯留する二次溶融
炉(6)を設け、前記二次溶融炉(6)に、そこからの
溶融処理物を自然流下により取出す取出部(11)を設
けると共に、前記排出通路(4)からの高温排ガスを排
出する煙道(7)を接続してある廃棄物溶融炉であって
、前記取出部(11)をオーバーフローによって溶融処
理物を取出すように溶融処理物の貯留レベル近くに配置
し、前記煙道(7)を前記取出部(11)に接続してあ
る廃棄物溶融炉。Annular supply path (R) that lowers the processed material under its own weight in a filled state
A melting chamber (3) is connected to the melting chamber (3) over its entire circumference, and a passage (4) is provided at the center of the bottom of the melting chamber (3) for discharging the melted material together with high-temperature exhaust gas, and from the discharge passage (4) A secondary melting furnace (6) is provided for receiving and storing the melted material, and the secondary melting furnace (6) is provided with a take-out part (11) for taking out the melted material from there by gravity, A waste melting furnace is connected to a flue (7) for discharging high-temperature exhaust gas from the discharge passageway (4), and the waste melting furnace is configured to take out the melted product by overflowing the take-out section (11). a waste melting furnace located close to the storage level of the waste melting furnace, said flue (7) being connected to said removal point (11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14952687A JPS63315819A (en) | 1987-06-15 | 1987-06-15 | Waste melting furnace |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14952687A JPS63315819A (en) | 1987-06-15 | 1987-06-15 | Waste melting furnace |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63315819A true JPS63315819A (en) | 1988-12-23 |
Family
ID=15477062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14952687A Pending JPS63315819A (en) | 1987-06-15 | 1987-06-15 | Waste melting furnace |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63315819A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH038739A (en) * | 1989-05-18 | 1991-01-16 | Tetronics Res & Dev Co Ltd | Treatment of liquid material |
JPH0355411A (en) * | 1989-07-25 | 1991-03-11 | Ebara Infilco Co Ltd | Melting disposing device for incinerated ash |
WO1994020791A1 (en) * | 1993-03-08 | 1994-09-15 | Kabushiki Kaisha Kobe Seiko Sho | Plasma fusion furnace and method of its operation |
US5771818A (en) * | 1996-05-20 | 1998-06-30 | Prometron Technics Co., Ltd. | Cooling system for waste disposal device |
US20130309153A1 (en) * | 2012-05-17 | 2013-11-21 | Strategic Environmental & Energy Resources, Inc. | Waste disposal |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5063774A (en) * | 1973-10-09 | 1975-05-30 | ||
JPS52155880A (en) * | 1976-06-21 | 1977-12-24 | Kubota Ltd | Incinerator of melting type |
JPS55140025A (en) * | 1979-04-17 | 1980-11-01 | Hitachi Plant Eng & Constr Co Ltd | Fusing furnace of waste material |
JPS5916199A (en) * | 1982-07-16 | 1984-01-27 | Nec Corp | Storage device |
-
1987
- 1987-06-15 JP JP14952687A patent/JPS63315819A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5063774A (en) * | 1973-10-09 | 1975-05-30 | ||
JPS52155880A (en) * | 1976-06-21 | 1977-12-24 | Kubota Ltd | Incinerator of melting type |
JPS55140025A (en) * | 1979-04-17 | 1980-11-01 | Hitachi Plant Eng & Constr Co Ltd | Fusing furnace of waste material |
JPS5916199A (en) * | 1982-07-16 | 1984-01-27 | Nec Corp | Storage device |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH038739A (en) * | 1989-05-18 | 1991-01-16 | Tetronics Res & Dev Co Ltd | Treatment of liquid material |
JPH0355411A (en) * | 1989-07-25 | 1991-03-11 | Ebara Infilco Co Ltd | Melting disposing device for incinerated ash |
WO1994020791A1 (en) * | 1993-03-08 | 1994-09-15 | Kabushiki Kaisha Kobe Seiko Sho | Plasma fusion furnace and method of its operation |
US5771818A (en) * | 1996-05-20 | 1998-06-30 | Prometron Technics Co., Ltd. | Cooling system for waste disposal device |
US20130309153A1 (en) * | 2012-05-17 | 2013-11-21 | Strategic Environmental & Energy Resources, Inc. | Waste disposal |
US8870735B2 (en) * | 2012-05-17 | 2014-10-28 | Strategic Environmental & Energy Resources, Inc. | Waste disposal |
US9393519B2 (en) | 2012-05-17 | 2016-07-19 | Strategic Environmental & Energy Resources, Inc. | Waste disposal |
WO2014134408A1 (en) * | 2013-03-01 | 2014-09-04 | Strategic Environmental & Energy Resources, Inc. | Waste disposal |
GB2523062A (en) * | 2013-03-01 | 2015-08-12 | Strategic Environmental & Energy Resources Inc | Waste disposal |
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