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公开(公告)号：US09289720B2
公开(公告)日：2016-03-22
申请号：US14398079
申请日：2012-05-31
申请人： Seiji Kagawa , Hideaki Sakurai , Nobuyuki Ukai , Susumu Okino , Tatsuto Nagayasu
发明人： Seiji Kagawa , Hideaki Sakurai , Nobuyuki Ukai , Susumu Okino , Tatsuto Nagayasu
CPC分类号： B01D53/64 , B01D53/50 , B01D53/56 , B01D53/60 , B01D53/75 , B01D53/8625 , B01D2251/2062 , B01D2253/102 , B01D2257/602 , B01D2258/0283
摘要： A system for treating mercury in flue gas is provided. The system includes a mercury adsorbent supply device to adsorb the mercury with the mercury adsorbent; a precipitator to collect the mercury adsorbent with adsorbed mercury and soot in the flue gas; a mercury adsorption assistant supply device to remove mercury remaining in the flue gas; and a desulfurization device to remove sulfur oxide (SOx) in the flue gas.
摘要翻译： 提供了一种处理废气中汞的系统。 该系统包括用汞吸附剂吸附汞的汞吸附剂供应装置; 一种除尘器，用于在烟道气中吸收汞和烟灰来收集汞吸附剂; 汞吸附助剂供应装置，用于去除废气中剩余的汞; 以及除去烟道气中的硫氧化物（SOx）的脱硫装置。
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公开(公告)号：US20150086457A1
公开(公告)日：2015-03-26
申请号：US14398079
申请日：2012-05-31
申请人： Seiji Kagawa , Hideaki Sakurai , Nobuyuki Ukai , Susumu Okino , Tatsuto Nagayasu
发明人： Seiji Kagawa , Hideaki Sakurai , Nobuyuki Ukai , Susumu Okino , Tatsuto Nagayasu
CPC分类号： B01D53/64 , B01D53/50 , B01D53/56 , B01D53/60 , B01D53/75 , B01D53/8625 , B01D2251/2062 , B01D2253/102 , B01D2257/602 , B01D2258/0283
摘要： A system for treating mercury in flue gas is provided. The system includes a mercury adsorbent supply device to adsorb the mercury with the mercury adsorbent; a precipitator to collect the mercury adsorbent with adsorbed mercury and soot in the flue gas; a mercury adsorption assistant supply device to remove mercury remaining in the flue gas; and a desulfurization device to remove sulfur oxide (SOx) in the flue gas.
摘要翻译： 提供了一种处理烟气中汞的系统。 该系统包括用汞吸附剂吸附汞的汞吸附剂供应装置; 一种除尘器，用于在烟道气中吸收汞和烟灰来收集汞吸附剂; 汞吸附助剂供应装置，用于去除废气中剩余的汞; 以及除去烟道气中的硫氧化物（SOx）的脱硫装置。
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公开(公告)号：US08398944B2
公开(公告)日：2013-03-19
申请号：US13059852
申请日：2010-02-25
CPC分类号： C02F1/5236 , B01D53/343 , B01D53/40 , B01D53/50 , B01D53/54 , B01D53/75 , B01D53/96 , B01D2251/502 , B01D2257/602 , B01D2258/0283 , C02F1/04 , C02F1/441 , C02F1/4693 , C02F1/72 , C02F11/121 , C02F11/123 , C02F11/127 , C02F2101/12 , C02F2101/14 , C02F2101/20 , C02F2103/18 , F23J15/006 , F23J2215/10 , F23J2215/20 , F23J2215/60 , F23L7/002
摘要： An air pollution control system 10A according to the present invention includes: a boiler 11 that burns fuel; NOx removal equipment 12 that decomposes nitrogen oxides in flue gas 25 discharged from the boiler 11; a desulfurizer 15 that causes sulfur oxides in the flue gas 25 having passed through the NOx removal equipment 12 to be absorbed by an absorbent, thereby reducing sulfur oxides in the flue gas 25, a waste-water treatment device 16 including a solid-liquid separating unit 31 that separates desulfurized waste water 28 discharged from the desulfurizer 15 into a solid fraction and a liquid fraction, and a mercury removing unit 32 that removes mercury in the desulfurized waste water 28; and a treated waste-water returning unit (a makeup water line) 17 that returns at least a part of treated waste water 40 treated by the waste-water treatment device 16 to the desulfurizer 15.
摘要翻译： 根据本发明的空气污染控制系统10A包括：燃烧燃料的锅炉11; 将从锅炉11排出的烟道气25中的氮氧化物分解的NOx去除装置12; 使通过NOx去除设备12的烟道气25中的硫氧化物被吸收剂吸收的脱硫剂15，从而减少废气25中的硫氧化物;废水处理装置16，包括固液分离 将从脱硫器15排出的脱硫废水28分离成固体成分和液体馏分的单元31，除去脱硫废水28中的汞的除汞部32; 以及处理废水返回单元（补充水管线）17，其将由废水处理装置16处理的处理废水40的至少一部分返回到脱硫器15。
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公开(公告)号：US08071036B2
公开(公告)日：2011-12-06
申请号：US12640599
申请日：2009-12-17
IPC分类号： B01D53/64
CPC分类号： B01D53/8625 , B01D53/501 , B01D53/64 , B01D53/90 , B01D2251/206 , B01D2251/2062 , B01D2251/404 , B01D2251/502 , B01D2251/606 , B01D2257/602
摘要： A mercury reduction system includes an NH4Cl supplying unit that sprays an NH4Cl solution into a flue of the boiler, a reduction denitration apparatus that includes a denitration catalyst for reducing NOx in the flue gas with NH3 and oxidizing Hg in the presence of HCl, and a wet desulfurization apparatus for reducing Hg oxidized in the reduction denitration apparatus with limestone-gypsum slurry. The NH4Cl supplying unit includes an NH4Cl solution feed pipe that supplies the NH4Cl solution into the flue in a liquid state, a blow pipe that is inserted into the flue so as to surround the NH4Cl solution feed pipe and through which air is injected into the flue, and a two-fluid nozzle that is fitted to an end of the NH4Cl solution feed pipe and through which the NH4Cl solution is injected. Through the two-fluid nozzle, the NH4Cl solution is injected and sprayed in fine liquid droplets. NH3 is supplied by an ammonia supplying unit and HCl is supplied by a hydrogen chloride supplying unit wherein both units are located between the NH4Cl agent supplying unit and the reduction denitration apparatus.
摘要翻译： 一种汞还原系统包括将NH 4 Cl溶液喷射到锅炉烟道中的NH4Cl供应单元，还原脱硝装置包括用于在HCl存在下用NH 3还原NOx和氧化Hg的脱硝催化剂，以及 湿法脱硫装置，用于在还原脱硝装置中用石灰石 - 石膏浆料还原Hg。 NH4Cl供给单元包括以液态将NH 4 Cl溶液供给到烟道中的NH4Cl溶液进料管，吹入管，其插入到烟道中，以便包围NH 4 Cl溶液进料管并将空气注入到烟道中 ，以及安装在NH 4 Cl溶液进料管的端部并通过其注入NH 4 Cl溶液的双流体喷嘴。 通过双流体喷嘴，将NH 4 Cl溶液注入并喷射成细液滴。 NH 3由氨供应单元供应，HCl由氯化氢供应单元供应，其中两个单元位于NH 4 Cl剂供应单元和还原脱硝设备之间。
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5.发明申请公开(公告)号：US20110002828A1
公开(公告)日：2011-01-06
申请号：US12640629
申请日：2009-12-17
CPC分类号： B01D53/8625 , B01D53/501 , B01D53/64 , B01D53/90 , B01D2251/206 , B01D2251/2062 , B01D2251/404 , B01D2251/502 , B01D2251/606 , B01D2257/602 , Y10S423/05
摘要： A mercury reduction system according to the present embodiment is a mercury reduction system that reduces NOx and Hg in flue gas discharged from a boiler, and includes a chemical supplying unit that mixes an NH4Cl solution, an NH3 solution, and an HCl solution in liquid states, and supplies a mixed solution into a flue provided downstream of the boiler, a reduction denitration apparatus that includes a denitration catalyst reducing NOx in the flue gas with NH3 and oxidizing Hg in the presence of HCl, and a wet desulfurization apparatus that reduces Hg oxidized in the reduction denitration apparatus with limestone-gypsum slurry.
摘要翻译： 根据本实施方案的汞还原系统是减少从锅炉排出的烟道气中的NOx和Hg的汞还原系统，并且包括将NH 4 Cl溶液，NH 3溶液和HCl溶液以液态混合的化学供应单元 并将混合溶液供应到设置在锅炉下游的烟道中，还原脱硝装置包括脱硝催化剂，其在NH 3存在下还原NH 3和在氧化汞中还原废气中的NO x，以及减少Hg氧化的湿式脱硫装置 在具有石灰石 - 石膏浆料的还原脱硝装置中。
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公开(公告)号：US08388917B2
公开(公告)日：2013-03-05
申请号：US13059870
申请日：2010-02-25
CPC分类号： C02F9/00 , B01D53/1481 , B01D53/50 , B01D53/75 , B01D53/8625 , B01D2251/206 , B01D2251/2062 , B01D2251/2067 , B01D2251/404 , B01D2257/20 , B01D2257/302 , B01D2257/404 , B01D2257/602 , B01D2258/0283 , C02F1/001 , C02F1/385 , C02F1/441 , C02F1/4693 , C02F1/5236 , C02F1/683 , C02F2101/106 , C02F2101/108 , C02F2101/12 , C02F2101/14 , C02F2101/20 , C02F2103/18 , Y02A50/2348
摘要： An air pollution control system 10A includes a boiler 11 that burns fuel, an air heater 13 that recovers heat of flue gas 17 from the boiler 11, and a desulfurizer 15 that reduces sulfur oxides contained in the flue gas 17 after heat recovery by an absorbent, and waste-water supplying units P0 to P5 that supply desulfurized waste water 28 discharged from the desulfurizer 15 to at least one of a path for supplying fuel to the boiler 11, inside of a furnace of the boiler 11, and the inside of a flue gas duct between the boiler 11 and the air heater 13 are installed. With this configuration, an amount of desulfurized waste water to be returned into the flue gas duct per unit time can be increased as compared to conventional systems, without increasing the size of the entire air pollution control system.
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公开(公告)号：US20110268637A1
公开(公告)日：2011-11-03
申请号：US13059870
申请日：2010-02-25
CPC分类号： C02F9/00 , B01D53/1481 , B01D53/50 , B01D53/75 , B01D53/8625 , B01D2251/206 , B01D2251/2062 , B01D2251/2067 , B01D2251/404 , B01D2257/20 , B01D2257/302 , B01D2257/404 , B01D2257/602 , B01D2258/0283 , C02F1/001 , C02F1/385 , C02F1/441 , C02F1/4693 , C02F1/5236 , C02F1/683 , C02F2101/106 , C02F2101/108 , C02F2101/12 , C02F2101/14 , C02F2101/20 , C02F2103/18 , Y02A50/2348
摘要： An air pollution control system 10A includes a boiler 11 that burns fuel, an air heater 13 that recovers heat of flue gas 17 from the boiler 11, and a desulfurizer 15 that reduces sulfur oxides contained in the flue gas 17 after heat recovery by an absorbent, and waste-water supplying units P0 to P5 that supply desulfurized waste water 28 discharged from the desulfurizer 15 to at least one of a path for supplying fuel to the boiler 11, inside of a furnace of the boiler 11, and the inside of a flue gas duct between the boiler 11 and the air heater 13 are installed. With this configuration, an amount of desulfurized waste water to be returned into the flue gas duct per unit time can be increased as compared to conventional systems, without increasing the size of the entire air pollution control system.
摘要翻译： 空气污染控制系统10A包括燃烧燃料的锅炉11，从锅炉11回收烟道气17的热量的空气加热器13，以及通过吸收剂回收热量而还原烟气17中所含的硫氧化物的脱硫器15 以及将从脱硫装置15排出的脱硫废水28供给至锅炉11的内部供给燃料的路径，锅炉11的炉内部以及内部的废水供给装置P0〜P5 安装在锅炉11和空气加热器13之间的烟气管道。 利用这种结构，与常规系统相比，可以增加每单位时间返回到烟道气管道中的脱硫废水量，而不增加整个空气污染控制系统的尺寸。
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8.发明授权公开(公告)号：US07906090B2
公开(公告)日：2011-03-15
申请号：US12640725
申请日：2009-12-17
CPC分类号： B01D53/64 , B01D53/501 , B01D53/8625 , B01D53/90 , B01D2251/2062 , B01D2251/404 , B01D2251/502 , B01D2251/606 , B01D2257/602 , Y10S423/05
摘要： A mercury reduction system according to the present embodiment is a mercury reduction system that reduces NOx and Hg in flue gas discharged from a boiler, and includes an NH4Cl solution spraying unit that sprays an NH4Cl solution into a flue of the boiler in a liquid state, a mixed gas spraying unit that is provided downstream of the NH4Cl solution spraying unit and sprays mixed gas containing NH3 gas and HCl gas into the flue, a reduction denitration apparatus that includes a denitration catalyst reducing NOx in the flue gas with NH3 and oxidizing Hg in the presence of HCl, and a wet desulfurization apparatus that reduces Hg oxidized in the reduction denitration apparatus with a limestone-gypsum slurry.
摘要翻译： 根据本实施方式的汞还原系统是减少从锅炉排出的烟道气中的NOx和Hg的汞还原系统，并且包括以液体状态将NH 4 Cl溶液喷射到锅炉的烟道中的NH 4 Cl溶液喷射单元， 一种混合气体喷射装置，其设置在NH 4 Cl溶液喷射装置的下游，并将含有NH 3气体和HCl气体的混合气体喷射到烟道中;还原脱硝装置，其包括脱硝催化剂，其用NH 3还原废气中的NO x并将Hg氧化 HCl的存在，以及用石灰石 - 石膏浆料还原还原脱硝装置中的Hg氧化的湿式脱硫装置。
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9.发明授权公开(公告)号：US07901645B2
公开(公告)日：2011-03-08
申请号：US12640629
申请日：2009-12-17
CPC分类号： B01D53/8625 , B01D53/501 , B01D53/64 , B01D53/90 , B01D2251/206 , B01D2251/2062 , B01D2251/404 , B01D2251/502 , B01D2251/606 , B01D2257/602 , Y10S423/05
摘要： A mercury reduction system according to the present embodiment is a mercury reduction system that reduces NOx and Hg in flue gas discharged from a boiler, and includes a chemical supplying unit that mixes an NH4Cl solution, an NH3 solution, and an HCl solution in liquid states, and supplies a mixed solution into a flue provided downstream of the boiler, a reduction denitration apparatus that includes a denitration catalyst reducing NOx in the flue gas with NH3 and oxidizing Hg in the presence of HCl, and a wet desulfurization apparatus that reduces Hg oxidized in the reduction denitration apparatus with limestone-gypsum slurry.
摘要翻译： 根据本实施方案的汞还原系统是减少从锅炉排出的烟道气中的NOx和Hg的汞还原系统，并且包括将NH 4 Cl溶液，NH 3溶液和HCl溶液以液态混合的化学供应单元 并将混合溶液供应到设置在锅炉下游的烟道中，还原脱硝装置包括脱硝催化剂，其在NH 3存在下还原NH 3和在氧化汞中还原废气中的NO x，以及减少Hg氧化的湿式脱硫装置 在具有石灰石 - 石膏浆料的还原脱硝装置中。
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10.发明申请公开(公告)号：US20110002829A1
公开(公告)日：2011-01-06
申请号：US12640725
申请日：2009-12-17
CPC分类号： B01D53/64 , B01D53/501 , B01D53/8625 , B01D53/90 , B01D2251/2062 , B01D2251/404 , B01D2251/502 , B01D2251/606 , B01D2257/602 , Y10S423/05
摘要： A mercury reduction system according to the present embodiment is a mercury reduction system that reduces NOx and Hg in flue gas discharged from a boiler, and includes an NH4Cl solution spraying unit that sprays an NH4Cl solution into a flue of the boiler in a liquid state, a mixed gas spraying unit that is provided downstream of the NH4Cl solution spraying unit and sprays mixed gas containing NH3 gas and HCl gas into the flue, a reduction denitration apparatus that includes a denitration catalyst reducing NOx in the flue gas with NH3 and oxidizing Hg in the presence of HCl, and a wet desulfurization apparatus that reduces Hg oxidized in the reduction denitration apparatus with a limestone-gypsum slurry.
摘要翻译： 根据本实施方式的汞还原系统是减少从锅炉排出的烟道气中的NOx和Hg的汞还原系统，并且包括以液体状态将NH 4 Cl溶液喷射到锅炉的烟道中的NH 4 Cl溶液喷射单元， 一种混合气体喷射装置，其设置在NH 4 Cl溶液喷射装置的下游，并将含有NH 3气体和HCl气体的混合气体喷射到烟道中;还原脱硝装置，其包括脱硝催化剂，其用NH 3还原废气中的NO x并将Hg氧化 HCl的存在，以及用石灰石 - 石膏浆料还原还原脱硝装置中的Hg氧化的湿式脱硫装置。
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