KR100697840B1 - 연소장치에서 황산화물, 바나듐산화물과 질소산화물의저감시스템 - Google Patents
연소장치에서 황산화물, 바나듐산화물과 질소산화물의저감시스템 Download PDFInfo
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- KR100697840B1 KR100697840B1 KR1020060000542A KR20060000542A KR100697840B1 KR 100697840 B1 KR100697840 B1 KR 100697840B1 KR 1020060000542 A KR1020060000542 A KR 1020060000542A KR 20060000542 A KR20060000542 A KR 20060000542A KR 100697840 B1 KR100697840 B1 KR 100697840B1
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- combustion device
- sulfur
- oxides
- reducing agent
- combustion
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 48
- 230000009467 reduction Effects 0.000 title claims description 9
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title abstract description 128
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 title abstract description 22
- 229910001935 vanadium oxide Inorganic materials 0.000 title abstract description 11
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 title abstract description 10
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 title description 4
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 33
- 238000010531 catalytic reduction reaction Methods 0.000 claims abstract description 23
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 20
- 230000023556 desulfurization Effects 0.000 claims abstract description 20
- 239000000654 additive Substances 0.000 claims abstract description 13
- 230000000996 additive effect Effects 0.000 claims abstract description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 62
- 229910021529 ammonia Inorganic materials 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 24
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 14
- 239000004202 carbamide Substances 0.000 claims description 14
- 238000006722 reduction reaction Methods 0.000 claims description 10
- 238000006555 catalytic reaction Methods 0.000 claims description 9
- 239000000395 magnesium oxide Substances 0.000 claims description 9
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 9
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 9
- 239000011777 magnesium Substances 0.000 claims description 7
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 3
- 239000000347 magnesium hydroxide Substances 0.000 claims description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 3
- 239000003344 environmental pollutant Substances 0.000 claims 1
- 231100000719 pollutant Toxicity 0.000 claims 1
- 238000002407 reforming Methods 0.000 claims 1
- 229910052815 sulfur oxide Inorganic materials 0.000 abstract description 22
- 239000000446 fuel Substances 0.000 abstract description 12
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 6
- 239000011593 sulfur Substances 0.000 abstract description 6
- 238000003915 air pollution Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000002378 acidificating effect Effects 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 5
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 239000002803 fossil fuel Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010881 fly ash Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 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 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 238000010517 secondary reaction Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 1
- 238000001321 HNCO Methods 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- OWIKHYCFFJSOEH-UHFFFAOYSA-N Isocyanic acid Chemical compound N=C=O OWIKHYCFFJSOEH-UHFFFAOYSA-N 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- -1 and Chemical compound 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000002829 nitrogen Chemical class 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000005436 troposphere Substances 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/64—Heavy metals or compounds thereof, e.g. mercury
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2067—Urea
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/402—Alkaline earth metal or magnesium compounds of magnesium
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
Claims (4)
- 연소장치(100)의 운전으로 발생되는 오염물질을 개질전환시키는 저감시스템에 있어서,선택적 비촉매환원법에 기초로 하여 저장조(21)와 개량공급모듈(22)을 갖추고, 상기 저장조(21)에 보관된 환원제가 흐름경로를 따라 상기 연소장치(100) 내부에 하나 이상의 분무기(110)를 통해 분사하는 제2탈질설비(20)와;저장조(31)와 개량공급모듈(32)을 갖춰, 상기 저장조(31)에 보관된 첨가제가 흐름경로를 따라 상기 연소장치(100) 내부에 하나 이상의 분무기(110)를 통해 분사하는 탈황·탈바나듐설비(30) 및;선택적 촉매환원법에 기초로 하여 저장조(11)와 개량공급모듈(12) 및 촉매반응탑(13)을 갖춰 상기 연소장치(100)의 하류흐름 상에 배열되되, 상기 저장조(11)에 보관된 환원제가 상기 연소장치(100)에서 배출될 배기가스를 흐름경로를 따라 상기 촉매반응탑(13)으로 제공하는 제1탈질설비(10);로 이루어진 것을 특징으로 하는 황산화물과 질소산화물의 저감시스템.
- 제1항에 있어서, 상기 환원제는 요소 또는 암모니아로 이루어진 것을 특징으로 하는 저감시스템.
- 제1항 또는 제2항에 있어서, 상기 첨가제는 마그네슘(Mg), 산화마그네슘(MgO), 수산화마그네슘(Mg(OH2))의 그룹에서 선택되어 탈황·탈바나듐용 환원제로 사용되는 것을 특징으로 하는 저감시스템.
- 제1항에 있어서, 상기 분무기(110)는 상기 연소장치(100)의 상단, 더욱 구체적으로 연소장치의 내부온도가 850 내지 1,100℃ 범위 내에 위치되고, 상기 환원제와 첨가제를 15 내지 30m/s 이상으로 분무하는 것을 특징으로 하는 저감시스템.
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KR1020060000542A KR100697840B1 (ko) | 2006-01-03 | 2006-01-03 | 연소장치에서 황산화물, 바나듐산화물과 질소산화물의저감시스템 |
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KR1020060000542A KR100697840B1 (ko) | 2006-01-03 | 2006-01-03 | 연소장치에서 황산화물, 바나듐산화물과 질소산화물의저감시스템 |
Publications (1)
Publication Number | Publication Date |
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KR100697840B1 true KR100697840B1 (ko) | 2007-03-20 |
Family
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KR1020060000542A Active KR100697840B1 (ko) | 2006-01-03 | 2006-01-03 | 연소장치에서 황산화물, 바나듐산화물과 질소산화물의저감시스템 |
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KR (1) | KR100697840B1 (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100876161B1 (ko) * | 2008-03-24 | 2008-12-31 | 박정봉 | 질소산화물의 저감시스템 |
CN101890279A (zh) * | 2010-03-10 | 2010-11-24 | 张作保 | 一种高效氨法脱硝工艺及其装置 |
KR20230114863A (ko) * | 2022-01-25 | 2023-08-02 | 세명대학교 산학협력단 | 질소산화물 저감형 축열식 연소 산화 시스템 및 그 질소산화물 저감방법 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS574213A (en) | 1980-06-09 | 1982-01-09 | Fuji Kasui Kogyo Kk | Desulfurizing method of waste gas |
US4830840A (en) | 1987-03-13 | 1989-05-16 | Uop | Process for removing sulfur oxide and nitrogen oxide |
KR19990007067A (ko) * | 1997-06-20 | 1999-01-25 | 루돌프 프라이, 부르노 안드레올리 | 연소 배기 가스의 탈질 방법 |
KR20020059495A (ko) * | 2001-01-06 | 2002-07-13 | 김철수 | 습식흡수탑을 이용하는 배연탈황장치 순환수 중의 아황산이온 농도를 조절하는 방법 |
KR20030081231A (ko) * | 2003-09-16 | 2003-10-17 | 박정봉 | 요소를 환원제로 사용하는 선택적 촉매 환원법을 통한질소산화물의 저감시스템 |
KR20050043355A (ko) * | 2003-11-06 | 2005-05-11 | 한국동서발전(주) | 보일러 열효율 향상 및/또는 가시 백연 제거 방법, 및이를 위한 연료 첨가제 |
-
2006
- 2006-01-03 KR KR1020060000542A patent/KR100697840B1/ko active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS574213A (en) | 1980-06-09 | 1982-01-09 | Fuji Kasui Kogyo Kk | Desulfurizing method of waste gas |
US4830840A (en) | 1987-03-13 | 1989-05-16 | Uop | Process for removing sulfur oxide and nitrogen oxide |
KR19990007067A (ko) * | 1997-06-20 | 1999-01-25 | 루돌프 프라이, 부르노 안드레올리 | 연소 배기 가스의 탈질 방법 |
KR20020059495A (ko) * | 2001-01-06 | 2002-07-13 | 김철수 | 습식흡수탑을 이용하는 배연탈황장치 순환수 중의 아황산이온 농도를 조절하는 방법 |
KR20030081231A (ko) * | 2003-09-16 | 2003-10-17 | 박정봉 | 요소를 환원제로 사용하는 선택적 촉매 환원법을 통한질소산화물의 저감시스템 |
KR20050043355A (ko) * | 2003-11-06 | 2005-05-11 | 한국동서발전(주) | 보일러 열효율 향상 및/또는 가시 백연 제거 방법, 및이를 위한 연료 첨가제 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100876161B1 (ko) * | 2008-03-24 | 2008-12-31 | 박정봉 | 질소산화물의 저감시스템 |
CN101890279A (zh) * | 2010-03-10 | 2010-11-24 | 张作保 | 一种高效氨法脱硝工艺及其装置 |
KR20230114863A (ko) * | 2022-01-25 | 2023-08-02 | 세명대학교 산학협력단 | 질소산화물 저감형 축열식 연소 산화 시스템 및 그 질소산화물 저감방법 |
KR102802552B1 (ko) * | 2022-01-25 | 2025-05-07 | 주식회사 이엠솔루션 | 질소산화물 저감형 축열식 연소 산화 시스템 및 그 질소산화물 저감방법 |
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