JP7342185B2 - 酸化アルミニウムを利用したバイオマス混焼または専用ボイラーのファウリング、スラッギング及び腐食を防止する方法及び添加剤組成物 - Google Patents
酸化アルミニウムを利用したバイオマス混焼または専用ボイラーのファウリング、スラッギング及び腐食を防止する方法及び添加剤組成物 Download PDFInfo
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Description
韓国登録韓国特許第10-1542076号“固体燃料の燃焼添加剤組成物及びこの利用方法”では水100質量部に対して、銅前駆体0.1~20質量部、マグネシウム前駆体10~300質量部を含む固体燃料の燃焼添加剤組成物を提示しており、
韓国登録韓国特許第10-0642146号“耐寒性向上及びスラグ防止とクリンカーが効果的に除去される燃料添加剤組成物”では水溶性溶媒30~86.98重量%、燃焼促進剤5~20重量%、安定化剤0.01~5重量%、アルカリ金属化合物5~25重量%、金属化合物0.01~5重量%及び界面活性剤化合物3~15重量%を含む燃料添加剤組成物を提示しており、
韓国登録韓国特許第10-1586430号“ペレットと石炭燃料及び焼却用廃棄物の燃焼率向上のための燃料添加剤組成物”ではケイ酸ナトリウム100重量部に対して過酸化水素5~15重量部、水酸化ナトリウム30~45重量部、硼砂1~10重量部、酸素水10~50重量部、グリセロール2~5重量部、脂肪酸エステル1~3重量部、界面活性剤2~5重量部、セラミックボール10~30重量部からなる燃料添加剤組成物を提示している。
(灰の溶融温度を約1000℃に上昇させる)
(2)Al2O3・2SiO2+2H2O+2Na(OH)->Al2O3・2SiO2・Na2O+3H2O
(灰の溶融温度を約1200℃に上昇させる)
上記反応式によってアルミナ添加剤組成物の投入後、バイオマス燃料内の無機物の溶融温度はボイラーの燃焼温度を上回るようになり、溶融状態の無機物が引き起こすスラッギング及びファウリング現象を化学的に抑制する効果を期待することができる。
酸化アルミニウム(酸化アルミニウム、Al2O3)とカリウム(K)との関係を考察するため、循環流動層火力発電所のボイラーに一日平均919トンの有煙炭及び2,144トンのウッドペレットの燃料と、酸化アルミニウム4トン(燃料100質量部に対して0.131質量部)及び火力発電所の石炭灰5トン(燃料100質量部に対して0.163質量部)を投入して9日間で一日平均22時間稼動した。
燃料に対する酸化アルミニウムの適正量を考察するため、循環流動層火力発電所ボイラーに5基に一日平均900トンの有煙炭及び2,100トンのウッドペレットの燃料(総3000トンの燃料)と、酸化アルミニウムを下記実施例1ないし4及び比較例1のようにそれぞれ異にしてファウリング、スラッギング及び腐食防止に対する効果を測定した。
燃料3000トンに対して酸化アルミニウム1.5トンを投入した。(燃料100質量部に対する酸化アルミニウム0.05質量部)
[実施例2]
燃料3000トンに対して酸化アルミニウム3トンを投入した。(燃料100質量部に対する酸化アルミニウム0.1質量部)
[実施例3]
燃料3000トンに対して酸化アルミニウム150トンを投入した。(燃料100質量部に対する酸化アルミニウム5質量部)
[実施例4]
燃料3000トンに対して酸化アルミニウム165トンを投入した。(燃料100質量部に対する酸化アルミニウム5.5質量部)
[比較例1]
燃料3000トンに対して酸化アルミニウム未投入
Claims (4)
- 酸化アルミニウムを利用したバイオマス混焼又は専用の循環流動層ボイラーのファウリング、スラッギング及び腐食を防止する方法であって、
前記バイオマス混焼又は専用の循環流動層ボイラーに投入される燃料100質量部に対して、粒度は50~500μmである酸化アルミニウムが0.1~5質量部、及び、火力発電所のボイラーで既に燃焼過程を経た石炭灰0.1~5質量部を投入すること、並びに、
前記燃料、前記酸化アルミニウム及び前記石炭灰が投入された前記バイオマス混焼又は専用の循環流動層ボイラー内で燃焼過程を行うこと
を含む方法。 - 前記燃料100質量部に対して、アルミニウム製錬において、Bayer法によってボーキサイトからアルミナを採取した残渣であるAl 2 O 3 が含有されたシリカ0.1~10質量部を投入することをさらに含む、請求項1に記載の方法。
- バイオマス混焼又は専用の循環流動層ボイラーのファウリング、スラッギング及び腐食を、酸化アルミニウムを利用して防止する添加剤組成物であって、
酸化アルミニウム及び火力発電所のボイラーで既に燃焼過程を経た石炭灰を含み、
前記酸化アルミニウムは、粒度は、50~500μmであり、
前記バイオマス混焼又は専用ボイラーに投入される燃料100質量部に対して、前記酸化アルミニウムが0.1~5質量部、前記石炭灰が0.1~5質量部となるように、前記バイオマス混焼又は専用ボイラーに投入するための、添加剤組成物。 - 前記添加剤組成物はアルミニウム製錬において、Bayer法によってボーキサイトからアルミナを採取した残渣であるAl2O3が含有されたシリカをさらに含む、
前記バイオマス混焼又は専用の循環流動層ボイラーに投入される燃料100質量部に対して、前記Al2O3が含有されたシリカが0.1~10質量部となるように、前記バイオマス混焼又は専用ボイラーに投入するための、請求項3に記載の添加剤組成物。
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| Application Number | Priority Date | Filing Date | Title |
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| JP2023139720A JP2023155408A (ja) | 2018-10-30 | 2023-08-30 | 酸化アルミニウムを利用したバイオマス混焼または専用ボイラーのファウリング、スラッギング及び腐食を防止する方法及び添加剤組成物 |
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| KR10-2018-0130326 | 2018-10-30 | ||
| KR1020180130326A KR102005375B1 (ko) | 2018-10-30 | 2018-10-30 | 알루미나를 이용한 바이오매스 혼소 또는 전용 보일러의 파울링, 슬래깅 및 부식 방지용 첨가제 조성물 |
| JP2020005542A JP2020090674A (ja) | 2018-10-30 | 2020-01-17 | 酸化アルミナを利用したバイオマス混焼または専用ボイラーのファウリング、スラッギング及び腐食防止用添加剤組成物 |
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| JP2022069693A Active JP7342185B2 (ja) | 2018-10-30 | 2022-04-20 | 酸化アルミニウムを利用したバイオマス混焼または専用ボイラーのファウリング、スラッギング及び腐食を防止する方法及び添加剤組成物 |
| JP2023139720A Pending JP2023155408A (ja) | 2018-10-30 | 2023-08-30 | 酸化アルミニウムを利用したバイオマス混焼または専用ボイラーのファウリング、スラッギング及び腐食を防止する方法及び添加剤組成物 |
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| KR102005375B1 (ko) * | 2018-10-30 | 2019-07-30 | 주식회사 블루오션 산업 | 알루미나를 이용한 바이오매스 혼소 또는 전용 보일러의 파울링, 슬래깅 및 부식 방지용 첨가제 조성물 |
| JPWO2022254842A1 (ja) * | 2021-05-31 | 2022-12-08 | ||
| JP7371795B2 (ja) * | 2021-05-31 | 2023-10-31 | 株式会社Ihi | ボイラシステム、および、ボイラシステムの運転方法 |
| KR102354218B1 (ko) | 2021-08-05 | 2022-02-08 | 주식회사 이비알 | 석탄재와 유동사 혼합물질을 활용한 유동층 보일러 장애를 해소하는 물질 및 이를 이용한 유동층 보일러 시스템 |
| KR102391820B1 (ko) | 2022-03-16 | 2022-05-09 | 주식회사 한국분체 | 저품위 납석과 재생 산화알루미나를 포함하는 클링커 방지용 연소첨가제 |
| CN114703001B (zh) * | 2022-04-12 | 2024-05-31 | 中国电建集团西北勘测设计研究院有限公司 | 一种协同抑制cfb锅炉结渣和腐蚀的添加剂及制备方法 |
| JP7726952B2 (ja) * | 2022-07-19 | 2025-08-20 | 株式会社ブルーオーシャン産業 | パーム空果房ペレットの製造方法 |
| KR102861700B1 (ko) * | 2022-07-19 | 2025-09-18 | 주식회사 블루오션 산업 | 바이오매스 연소용 첨가제 조성물 |
| JP7550918B2 (ja) * | 2022-07-19 | 2024-09-13 | ジョン,クウォンホ | ウッドペレット製造方法 |
| KR102828934B1 (ko) * | 2022-08-30 | 2025-07-04 | 주식회사 블루오션 산업 | 우드 펠릿 제조 방법 |
| KR102680204B1 (ko) * | 2023-06-29 | 2024-07-02 | 주식회사 블루오션 산업 | 연료 조성물 |
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| JP2002285179A (ja) | 2001-03-23 | 2002-10-03 | Taiho Ind Co Ltd | スラッギング防止用燃料添加剤及び燃料の燃焼方法 |
| JP2012149140A (ja) | 2011-01-18 | 2012-08-09 | Taihokohzai:Kk | 固形状燃料 |
| WO2018185804A1 (ja) | 2017-04-03 | 2018-10-11 | 株式会社Ihi | 燃料製造方法 |
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| ZA874124B (en) * | 1986-06-10 | 1988-04-27 | Thompson Jeffrey | Solid fuel composition from waste products |
| JP3771687B2 (ja) * | 1997-09-03 | 2006-04-26 | 三菱重工業株式会社 | 石炭焚きボイラの灰付着抑制方法 |
| JP2010235822A (ja) * | 2009-03-31 | 2010-10-21 | Taihokohzai:Kk | 石炭用スラッギング防止剤及び石炭の燃焼方法 |
| CN101775324A (zh) * | 2010-03-23 | 2010-07-14 | 农业部规划设计研究院 | 一种生物质固体成型燃料抗结渣添加剂及制备方法 |
| US8921628B2 (en) * | 2011-03-10 | 2014-12-30 | Kior, Inc. | Refractory mixed-metal oxides and spinel compositions for thermo-catalytic conversion of biomass |
| CN102277218A (zh) * | 2011-07-08 | 2011-12-14 | 唐东波 | 一种防止秸秆成型燃料结焦的抑制剂 |
| KR102005375B1 (ko) * | 2018-10-30 | 2019-07-30 | 주식회사 블루오션 산업 | 알루미나를 이용한 바이오매스 혼소 또는 전용 보일러의 파울링, 슬래깅 및 부식 방지용 첨가제 조성물 |
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- 2019-10-23 MY MYPI2020002301A patent/MY203989A/en unknown
- 2019-10-23 WO PCT/KR2019/013975 patent/WO2020091296A1/ko not_active Ceased
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002285179A (ja) | 2001-03-23 | 2002-10-03 | Taiho Ind Co Ltd | スラッギング防止用燃料添加剤及び燃料の燃焼方法 |
| JP2012149140A (ja) | 2011-01-18 | 2012-08-09 | Taihokohzai:Kk | 固形状燃料 |
| WO2018185804A1 (ja) | 2017-04-03 | 2018-10-11 | 株式会社Ihi | 燃料製造方法 |
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| Publication number | Publication date |
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| JP2022113677A (ja) | 2022-08-04 |
| WO2020091296A1 (ko) | 2020-05-07 |
| MY203989A (en) | 2024-07-29 |
| US20200131449A1 (en) | 2020-04-30 |
| KR102005375B1 (ko) | 2019-07-30 |
| JP2023155408A (ja) | 2023-10-20 |
| CA3042523A1 (en) | 2020-04-30 |
| JP2020090674A (ja) | 2020-06-11 |
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