JP4383417B2 - 廃棄物溶融炉の廃棄物装入装置の中間ホッパーのパージ方法 - Google Patents
廃棄物溶融炉の廃棄物装入装置の中間ホッパーのパージ方法 Download PDFInfo
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- JP4383417B2 JP4383417B2 JP2006047279A JP2006047279A JP4383417B2 JP 4383417 B2 JP4383417 B2 JP 4383417B2 JP 2006047279 A JP2006047279 A JP 2006047279A JP 2006047279 A JP2006047279 A JP 2006047279A JP 4383417 B2 JP4383417 B2 JP 4383417B2
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- waste
- intermediate hopper
- gas
- purge
- furnace
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- 239000002699 waste material Substances 0.000 title claims description 70
- 238000010926 purge Methods 0.000 title claims description 59
- 238000002844 melting Methods 0.000 title claims description 29
- 230000008018 melting Effects 0.000 title claims description 29
- 238000000034 method Methods 0.000 title claims description 20
- 239000007789 gas Substances 0.000 claims description 45
- 239000011261 inert gas Substances 0.000 claims description 39
- 238000002485 combustion reaction Methods 0.000 claims description 35
- 238000007664 blowing Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000010790 dilution Methods 0.000 description 4
- 239000012895 dilution Substances 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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Description
3:受入ホッパー 4:廃棄物ピット
5:廃棄物クレーン 6:上部シール弁
7:下部シール弁 8:燃焼室
9:排ガス管 10:燃焼バーナ
11:燃焼空気吹込ダクト 12:燃焼空気ファン
13:絞りダンパー 14:不活性ガス吹込用配管
15:空気導入配管 16:不活性ガスパージ弁
17:空気導入弁 18:カバー
Claims (3)
- 廃棄物溶融炉の上部に配置された廃棄物装入装置の中間ホッパーであって、中間ホッパーの上端部に廃棄物の受入時に開閉する上部シール弁が設けられるとともに、下端部に貯留廃棄物の廃棄物溶融炉内への投入時に開閉する下部シール弁が設けられた中間ホッパーのパージ方法において、
廃棄物の廃棄物溶融炉内への投入時に中間ホッパー内に侵入した炉内ガスを、最初に不活性ガスを用いてパージした後、次いで外気によりパージすることを特徴とする中間ホッパーのパージ方法。 - 前記外気によりパージする際の中間ホッパー内のガスを、廃棄物溶融炉で発生する炉内ガスを燃焼する燃焼室の燃焼空気供給系統に排出することを特徴とする請求項1記載の中間ホッパーのパージ方法。
- 前記不活性ガスによるパージは上部シール弁を全閉状態にし、下部シール弁を開けて形成した隙間から廃棄物溶融炉内へ排出させ、空気によるパージは下部シール弁を全閉状態とし、上部シール弁を半開状態に、排気側を負圧にされた燃焼空気供給系統に接続して、中間ホッパー内へ外気を吸入し、中間ホッパー内のガスを燃焼空気供給系統に吸引、排出することを特徴とする請求項1記載の中間ホッパーのパージ方法。
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JP2006047279A JP4383417B2 (ja) | 2006-02-23 | 2006-02-23 | 廃棄物溶融炉の廃棄物装入装置の中間ホッパーのパージ方法 |
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JP2006047279A JP4383417B2 (ja) | 2006-02-23 | 2006-02-23 | 廃棄物溶融炉の廃棄物装入装置の中間ホッパーのパージ方法 |
Publications (2)
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JP2007225196A JP2007225196A (ja) | 2007-09-06 |
JP4383417B2 true JP4383417B2 (ja) | 2009-12-16 |
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JP2006047279A Active JP4383417B2 (ja) | 2006-02-23 | 2006-02-23 | 廃棄物溶融炉の廃棄物装入装置の中間ホッパーのパージ方法 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5388278B2 (ja) * | 2009-02-23 | 2014-01-15 | 新日鉄住金エンジニアリング株式会社 | 廃棄物溶融炉の廃棄物装入装置の中間ホッパのパージ方法および廃棄物溶融炉の廃棄物装入装置の中間ホッパ |
JP5626860B2 (ja) * | 2010-07-20 | 2014-11-19 | 新日鉄住金エンジニアリング株式会社 | 廃棄物溶融炉の廃棄物及び副資材装入装置 |
CN107419049B (zh) * | 2017-08-01 | 2022-12-13 | 中冶焦耐(大连)工程技术有限公司 | 一种直接还原铁竖炉原料塔有害气体放散方法 |
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