WO2011007618A1 - 流動床式ボイラの燃焼方法、及び流動床式ボイラ - Google Patents
流動床式ボイラの燃焼方法、及び流動床式ボイラ Download PDFInfo
- Publication number
- WO2011007618A1 WO2011007618A1 PCT/JP2010/058672 JP2010058672W WO2011007618A1 WO 2011007618 A1 WO2011007618 A1 WO 2011007618A1 JP 2010058672 W JP2010058672 W JP 2010058672W WO 2011007618 A1 WO2011007618 A1 WO 2011007618A1
- Authority
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- WIPO (PCT)
- Prior art keywords
- fluidized bed
- bed boiler
- furnace body
- fluidized
- boiler
- Prior art date
Links
- 238000009841 combustion method Methods 0.000 title claims abstract description 14
- 239000002893 slag Substances 0.000 claims abstract description 70
- 239000000446 fuel Substances 0.000 claims abstract description 47
- 239000000463 material Substances 0.000 claims description 56
- 238000003723 Smelting Methods 0.000 claims description 36
- 239000012530 fluid Substances 0.000 claims description 23
- 239000003513 alkali Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 11
- 229910000863 Ferronickel Inorganic materials 0.000 abstract description 39
- 239000002028 Biomass Substances 0.000 abstract description 24
- 229910052910 alkali metal silicate Inorganic materials 0.000 abstract description 14
- 238000011084 recovery Methods 0.000 abstract description 14
- 150000001875 compounds Chemical class 0.000 abstract description 11
- 239000011777 magnesium Substances 0.000 abstract description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- 239000000395 magnesium oxide Substances 0.000 description 37
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 37
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 37
- 238000002485 combustion reaction Methods 0.000 description 26
- 230000008018 melting Effects 0.000 description 26
- 238000002844 melting Methods 0.000 description 26
- 238000006243 chemical reaction Methods 0.000 description 18
- 239000011248 coating agent Substances 0.000 description 18
- 238000000576 coating method Methods 0.000 description 18
- 239000007789 gas Substances 0.000 description 16
- 230000005496 eutectics Effects 0.000 description 14
- 229910004298 SiO 2 Inorganic materials 0.000 description 13
- 239000002245 particle Substances 0.000 description 12
- 230000007246 mechanism Effects 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 10
- 230000006698 induction Effects 0.000 description 9
- 239000000155 melt Substances 0.000 description 7
- 239000011734 sodium Substances 0.000 description 7
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 6
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 6
- 239000000347 magnesium hydroxide Substances 0.000 description 6
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 6
- 238000010587 phase diagram Methods 0.000 description 6
- 239000011591 potassium Substances 0.000 description 6
- 229910052700 potassium Inorganic materials 0.000 description 6
- 239000010882 bottom ash Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000010881 fly ash Substances 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 239000001095 magnesium carbonate Substances 0.000 description 5
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 5
- 229940031958 magnesium carbonate hydroxide Drugs 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000002265 prevention Effects 0.000 description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 4
- 239000002956 ash Substances 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 230000001629 suppression Effects 0.000 description 4
- 238000005054 agglomeration Methods 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 229910001021 Ferroalloy Inorganic materials 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000010344 co-firing Methods 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003832 thermite Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/01—Fluidised bed combustion apparatus in a fluidised bed of catalytic particles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/30—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having a fluidised bed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/02—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed
- F23C10/04—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/70—Blending
- F23G2201/701—Blending with additives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2203/00—Furnace arrangements
- F23G2203/50—Fluidised bed furnace
- F23G2203/501—Fluidised bed furnace with external recirculation of entrained bed material
Definitions
- biomass fuel to fluidized bed boilers (also called “CFB boilers”) is required.
- CFB boilers fluidized bed boilers
- low-grade biomass fuels such as fir shells and EFB (Empty Fruit Bunches) contain a large amount of alkali components, and these alkali components generate low melting point compounds. Since the low melting point compound may adhere to the fluidized material (also referred to as “bed material”) and cause poor flow, the furnace temperature should be set to a level that does not produce a low melting point compound, specifically 750 ° C. or less. Control such as holding is necessary (see Patent Document 1).
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
Description
図2(b)に示されるように、溶融誘発メカニズムのアグロメXは、低融点化合物(アルカリ珪酸塩)の融体Mが流動材Faの表面に付着したボトムアッシュ粒子群が互いに集まって起こり、このメカニズムの制御因子は、局部温度と燃料灰組成とであり、高濃度のアルカリ成分と塩素とが含まれた燃焼灰では、溶融誘発メカニズムを通してアグロメXが形成される傾向にある。
図2(a)に示されるように、コーティング誘発メカニズムのアグロメXは、流動材Faの表面での共晶コーティング(アルカリ珪酸塩相)Cが形成されたボトムアッシュ粒子群が、それらの共晶コーティングCにより接合と離散とを繰り返し、その結果、粒子凝集が開始され、徐々にネック(流動阻害要因)になるアグロメXの形成に到り、このメカニズムの主要な制御因子は、共晶コーティング厚さ(接合離間のし易さ)、共晶コーティング組成(接合強度)および局所温度である。
さらに、ボイラ蒸気過熱器伝熱チューブへの強固なファウリングおよびデポ付着に対して、それらの除去効果およびボイラ蒸気過熱器伝面チューブ腐食抑制効果が期待できる。
Claims (6)
- アルカリ成分含有の燃料を用いた流動床式ボイラの燃焼方法において、
鉱石の製錬によって生じる製錬スラグを前記燃料に加えて前記流動床式ボイラで燃焼させることを特徴とする流動床式ボイラの燃焼方法。 - 前記流動床式ボイラの流動材として前記製錬スラグを用いることを特徴とする請求項1記載の流動床式ボイラの燃焼方法。
- 前記流動床式ボイラは、炉本体と、前記炉本体から排出された排ガス中の流動材を前記排ガスから分離する分離部と、前記分離部で分離された前記流動材を前記炉本体からの逆流を防止しながら前記炉本体の内部に戻す循環シール部と、を備え、
前記製錬スラグを前記循環シール部に供給することを特徴とする請求項1または2記載の流動床式ボイラの燃焼方法。 - アルカリ成分含有の燃料を用いた流動床式ボイラであって、
鉱石の製錬によって生じる製錬スラグが加えられた前記燃料を燃焼する炉本体を備えることを特徴とする流動床式ボイラ。 - 前記炉本体には、流動材として前記製錬スラグが投入されていることを特徴とする請求項4記載の流動床式ボイラ。
- 前記炉本体から排出された排ガス中の流動材を前記排ガスから分離する分離部と、前記分離部で分離された前記流動材を前記炉本体からの逆流を防止しながら前記炉本体の内部に戻す循環シール部と、を更に備え、
前記製錬スラグは前記循環シール部に供給されることを特徴とする請求項4または5記載の流動床式ボイラ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SG2011087467A SG176248A1 (en) | 2009-07-13 | 2010-05-21 | Combustion method for fluidized bed boiler, and fluidized bed boiler |
KR1020147002627A KR101460668B1 (ko) | 2009-07-13 | 2010-05-21 | 유동상식 보일러의 연소방법, 및 유동상식 보일러 |
JP2011522758A JP5536063B2 (ja) | 2009-07-13 | 2010-05-21 | 流動床式ボイラの燃焼方法、及び流動床式ボイラ |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009-164926 | 2009-07-13 | ||
JP2009164926 | 2009-07-13 |
Publications (1)
Publication Number | Publication Date |
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WO2011007618A1 true WO2011007618A1 (ja) | 2011-01-20 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2010/058672 WO2011007618A1 (ja) | 2009-07-13 | 2010-05-21 | 流動床式ボイラの燃焼方法、及び流動床式ボイラ |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP5536063B2 (ja) |
KR (2) | KR20120028972A (ja) |
MY (1) | MY162205A (ja) |
SG (1) | SG176248A1 (ja) |
WO (1) | WO2011007618A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018079119A1 (ja) * | 2016-10-24 | 2018-05-03 | 住友重機械工業株式会社 | 凝集抑制方法、凝集抑制材、化合物調整方法、流動床ボイラ、及び流動物 |
WO2020138484A1 (ja) * | 2018-12-28 | 2020-07-02 | 川崎重工業株式会社 | 流動床炉 |
CN114716173A (zh) * | 2022-04-26 | 2022-07-08 | 武汉理工大学 | 一种循环流化床炉渣资源化利用方法 |
JP2022135631A (ja) * | 2021-03-05 | 2022-09-15 | 宇部マテリアルズ株式会社 | 循環流動層ボイラ用凝集抑制材、循環流動層ボイラ用凝集抑制材の製造方法、及び循環流動層ボイラ用流動材 |
JP7530316B2 (ja) | 2021-03-05 | 2024-08-07 | 宇部マテリアルズ株式会社 | 循環流動層ボイラの運転方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102212188B1 (ko) * | 2018-06-01 | 2021-02-04 | 주)썬텍에너지 | 유동층 연소로에 사용되는 층물질 |
KR102105555B1 (ko) * | 2018-09-28 | 2020-04-28 | 주식회사 포스코건설 | 페로니켈 슬래그의 재활용 방법 |
KR102433328B1 (ko) * | 2020-10-12 | 2022-08-18 | 한국생산기술연구원 | 층물질의 유동 제어 가능한 순환 유동층 시스템 |
KR102467830B1 (ko) * | 2021-07-28 | 2022-11-16 | (주)거우에스앤씨 | 유동상식 보일러용 페로니켈 유동사 조성물 |
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JPH02503925A (ja) * | 1987-06-24 | 1990-11-15 | エイ.アフルストロム コーポレーション | アルカリ含有燃料の燃焼 |
JP2005068297A (ja) * | 2003-08-25 | 2005-03-17 | Ebara Corp | ガス生成装置及びガス生成方法 |
JP2005226930A (ja) * | 2004-02-13 | 2005-08-25 | Kawasaki Heavy Ind Ltd | バイオマス燃料焚き流動層燃焼方法及びその装置 |
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WO2002050214A2 (en) * | 2000-12-21 | 2002-06-27 | Future Energy Resources Corporation | Biomass gasification system and method |
JP6057831B2 (ja) | 2013-05-07 | 2017-01-11 | 株式会社椿本チエイン | 冷凍保管装置 |
-
2009
- 2009-07-13 MY MYPI2011005668A patent/MY162205A/en unknown
-
2010
- 2010-05-21 WO PCT/JP2010/058672 patent/WO2011007618A1/ja active Application Filing
- 2010-05-21 JP JP2011522758A patent/JP5536063B2/ja active Active
- 2010-05-21 SG SG2011087467A patent/SG176248A1/en unknown
- 2010-05-21 KR KR1020127000712A patent/KR20120028972A/ko not_active Ceased
- 2010-05-21 KR KR1020147002627A patent/KR101460668B1/ko active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH02503925A (ja) * | 1987-06-24 | 1990-11-15 | エイ.アフルストロム コーポレーション | アルカリ含有燃料の燃焼 |
JP2005068297A (ja) * | 2003-08-25 | 2005-03-17 | Ebara Corp | ガス生成装置及びガス生成方法 |
JP2005226930A (ja) * | 2004-02-13 | 2005-08-25 | Kawasaki Heavy Ind Ltd | バイオマス燃料焚き流動層燃焼方法及びその装置 |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018079119A1 (ja) * | 2016-10-24 | 2018-05-03 | 住友重機械工業株式会社 | 凝集抑制方法、凝集抑制材、化合物調整方法、流動床ボイラ、及び流動物 |
WO2020138484A1 (ja) * | 2018-12-28 | 2020-07-02 | 川崎重工業株式会社 | 流動床炉 |
JP2020106244A (ja) * | 2018-12-28 | 2020-07-09 | 川崎重工業株式会社 | 流動床炉 |
CN113227652A (zh) * | 2018-12-28 | 2021-08-06 | 川崎重工业株式会社 | 流化床炉 |
JP7251978B2 (ja) | 2018-12-28 | 2023-04-04 | 川崎重工業株式会社 | 流動床炉 |
JP2022135631A (ja) * | 2021-03-05 | 2022-09-15 | 宇部マテリアルズ株式会社 | 循環流動層ボイラ用凝集抑制材、循環流動層ボイラ用凝集抑制材の製造方法、及び循環流動層ボイラ用流動材 |
JP7530316B2 (ja) | 2021-03-05 | 2024-08-07 | 宇部マテリアルズ株式会社 | 循環流動層ボイラの運転方法 |
CN114716173A (zh) * | 2022-04-26 | 2022-07-08 | 武汉理工大学 | 一种循环流化床炉渣资源化利用方法 |
CN114716173B (zh) * | 2022-04-26 | 2023-08-15 | 武汉理工大学 | 一种循环流化床炉渣资源化利用方法 |
Also Published As
Publication number | Publication date |
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SG176248A1 (en) | 2012-01-30 |
KR101460668B1 (ko) | 2014-11-12 |
KR20140022111A (ko) | 2014-02-21 |
JP5536063B2 (ja) | 2014-07-02 |
KR20120028972A (ko) | 2012-03-23 |
MY162205A (en) | 2017-05-31 |
JPWO2011007618A1 (ja) | 2012-12-27 |
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