JP4563241B2 - 焼却灰溶融電気炉 - Google Patents
焼却灰溶融電気炉 Download PDFInfo
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- JP4563241B2 JP4563241B2 JP2005117980A JP2005117980A JP4563241B2 JP 4563241 B2 JP4563241 B2 JP 4563241B2 JP 2005117980 A JP2005117980 A JP 2005117980A JP 2005117980 A JP2005117980 A JP 2005117980A JP 4563241 B2 JP4563241 B2 JP 4563241B2
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- Prior art keywords
- furnace
- electrode
- resistance
- heating
- incineration ash
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Gasification And Melting Of Waste (AREA)
Description
2 飛灰
3 電極
4 交流電源
5 炉用変圧器
6 計器用変流器
7 演算部
8 計器用変圧器
9 比較部
10 設定部
11 電圧切換制御部
12 電圧タップ切換器
13 電極切換制御部
14 電極駆動部
15 電極昇降装置
Claims (3)
- 3相電極に交流電流を通電し、炉内に装入された廃棄物の焼却灰を溶融する焼却灰溶融電気炉において、
前記電極を昇降させる手段と、前記電極に投入される電力を検出する手段と、この検出手段で検出された前記投入電力が設定値に低下するまでは前記電極を前記焼却灰中に挿入して抵抗加熱し、その後、前記投入電力が前記設定値以下に低下したら、前記昇降手段により前記電極を前記焼却灰から引き上げてアーク加熱に切り換える制御手段とを設けたことを特徴とする焼却灰溶融電気炉。 - 前記制御手段は前記投入電力が前記設定値以下に低下した後、この状態が所定時間継続したら、前記抵抗加熱から前記アーク加熱に切り換えることを特徴とする請求項1記載の焼却灰溶融電気炉。
- 前記制御手段は前記抵抗加熱から前記アーク加熱に切り換えた後、所定時間が経過したら、前記電極を再び前記溶融スラグ中に挿入して前記抵抗加熱に復帰させることを特徴とする請求項1記載の焼却灰溶融電気炉。
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JP2005117980A JP4563241B2 (ja) | 2005-04-15 | 2005-04-15 | 焼却灰溶融電気炉 |
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JP2005117980A JP4563241B2 (ja) | 2005-04-15 | 2005-04-15 | 焼却灰溶融電気炉 |
Publications (2)
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JP2006300348A JP2006300348A (ja) | 2006-11-02 |
JP4563241B2 true JP4563241B2 (ja) | 2010-10-13 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60164114A (ja) * | 1984-02-06 | 1985-08-27 | Ishikawajima Harima Heavy Ind Co Ltd | 燃却残渣の加熱溶融の起動方法 |
JPH11204251A (ja) * | 1998-01-19 | 1999-07-30 | Nippon Steel Corp | 灰処理用電気抵抗溶融炉の操業方法及びそのための電源装置 |
JP2000074353A (ja) * | 1998-08-31 | 2000-03-14 | Nippon Steel Corp | 灰処理用溶融炉及びその操業方法 |
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2005
- 2005-04-15 JP JP2005117980A patent/JP4563241B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60164114A (ja) * | 1984-02-06 | 1985-08-27 | Ishikawajima Harima Heavy Ind Co Ltd | 燃却残渣の加熱溶融の起動方法 |
JPH11204251A (ja) * | 1998-01-19 | 1999-07-30 | Nippon Steel Corp | 灰処理用電気抵抗溶融炉の操業方法及びそのための電源装置 |
JP2000074353A (ja) * | 1998-08-31 | 2000-03-14 | Nippon Steel Corp | 灰処理用溶融炉及びその操業方法 |
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JP2006300348A (ja) | 2006-11-02 |
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