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公开(公告)号：US11364467B2
公开(公告)日：2022-06-21
申请号：US16603931
申请日：2018-09-18
发明人： Satoru Sugita , Tetsu Ushiku , Ryozo Sasaki , Naoyuki Yoshizumi , Tsuyoshi Miyachi , Seiji Kagawa
摘要： Provided is a desulfurization device that allows for the easy and accurate disposition of a spray pipe inside an absorption tower. Provided is a desulfurization device including: an absorption tower (10); and a spray pipe (20) disposed inside the absorption tower (10). The spray pipe (20) includes: a cylindrical pipe portion (21), the leading end of which is closed; and an attachment flange (24) attached to the pipe portion (21). The absorption tower (10) includes: an opening hole (14e) opening toward the side; and a flange (14a) disposed around the opening hole (14e). The attachment flange (24) and the flange (14a) are detachably attached.
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公开(公告)号：US10471382B2
公开(公告)日：2019-11-12
申请号：US16086477
申请日：2017-02-21
发明人： Tsuyoshi Miyachi , Seiji Kagawa , Naoyuki Kamiyama , Tetsu Ushiku
IPC分类号： B01D53/34 , B01D53/60 , B01D53/76 , B01D53/50 , B01D53/78 , B01D53/90 , B03C3/019 , F23J15/08 , B01D53/86 , F23J15/00 , B03C3/017 , B01D53/58 , F23J15/02 , F23J15/06
摘要： An air pollution control system includes a denitration device that removes nitrogen oxide in flue gas from a boiler; a heat transfer tube for recovering part of heat of the flue gas after denitration; a precipitator that removes soot and dust in the flue gas after heat recovery; a desulfurization device that removes sulfur oxide in the flue gas discharged from the precipitator; a heat transfer tube for heating the flue gas discharged from the desulfurization device; a circulation pump that circulates a heat medium between the heat transfer tubes; a heat medium heater provided to the circulation pipe to heat the heat medium; and a control device that controls the heat medium heater based on an ammonia concentration at an outlet of the denitration device. The control device causes the heat medium heater to heat the heat medium when the ammonia concentration is higher than a certain value.
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公开(公告)号：US20190270049A1
公开(公告)日：2019-09-05
申请号：US16319939
申请日：2017-10-11
发明人： Toshihiro Fukuda , Satoru Sugita , Tetsu Ushiku , Seiji Kagawa
摘要： A spray flying system for drying wastewater to be dried includes: an exhaust as introduction line for introducing the exhaust gas discharged from an exhaust gas generation source, the exhaust gas introduction line being connected to a plurality of exhaust gas ducts for allowing the exhaust gas to flow through; and at least one spray drying device connected to the exhaust gas introduction line and configured to bring the exhaust gas introduced from the exhaust gas introduction line into contact with the wastewater. The number of spray drying device is smaller than the number of the plurality of exhaust gas ducts.
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公开(公告)号：US09895658B2
公开(公告)日：2018-02-20
申请号：US14762296
申请日：2014-01-24
发明人： Toshihiro Fukuda , Seiji Kagawa , Naoyuki Kamiyama , Yoshito Tanaka , Takuro Soeda , Jun Satou , Nobuyuki Ukai
IPC分类号： B01D53/50 , B01D53/79 , F26B3/12 , C02F9/00 , F23J15/00 , F23J15/02 , F23J15/04 , B01D53/75 , B01D53/80 , B01D53/86 , B01D1/18 , B01D21/24 , B01D33/048 , B04B5/00 , C02F1/12 , C02F1/28 , C02F1/42 , C02F1/56 , C02F11/12 , C02F11/14
CPC分类号： B01D53/505 , B01D1/18 , B01D21/24 , B01D33/048 , B01D53/75 , B01D53/79 , B01D53/80 , B01D53/8631 , B01D2251/404 , B01D2258/0283 , B04B5/00 , C02F1/12 , C02F1/28 , C02F1/42 , C02F1/56 , C02F9/00 , C02F11/12 , C02F11/14 , F23J15/003 , F23J15/006 , F23J15/025 , F23J15/04 , F23J2219/20 , F23J2219/40 , F26B3/12 , Y02P70/40
摘要： Provided is an air pollution control system including: a denitration apparatus; an air heater; a precipitator; a desulfurization apparatus; a dehydrator; a spray drying apparatus provided with a spray unit that is configured to spray dehydrated filtrate supplied from the dehydrator; a flue gas introduction line through which a branch gas branched from the flue gas is introduced to the spray drying apparatus; a flue gas supply line through which a flue gas from the spray drying apparatus returns to a main flue gas duct; a solid content separator that performs a solid-gas separation on solid contents contained in the flue gas; and a kneader that performs kneading and immobilizing treatment on the separated solid contents together with an immobilization aid.
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公开(公告)号：US09700839B2
公开(公告)日：2017-07-11
申请号：US14764078
申请日：2013-11-18
发明人： Toshihiro Fukuda , Seiji Kagawa , Jun Satou , Susumu Okino
IPC分类号： B01D53/50 , B01D53/78 , B01D53/79 , B01D1/18 , B01D53/75 , F26B3/12 , F23J15/00 , F23J15/04 , F23L11/00 , F23L15/04 , B01D53/86
CPC分类号： B01D53/504 , B01D1/18 , B01D53/505 , B01D53/75 , B01D53/78 , B01D53/8625 , B01D2251/2062 , B01D2251/2067 , B01D2251/404 , B01D2257/602 , B01D2258/0283 , B01D2259/65 , F23J15/003 , F23J15/04 , F23J2215/10 , F23J2215/20 , F23J2219/40 , F23L11/00 , F23L15/04 , F26B3/12 , Y02A50/2348 , Y02E20/348 , Y02P70/34 , Y02P70/40
摘要： Provided is an air pollution control system including: a denitration apparatus; an air heater; a precipitator; a desulfurization apparatus; a dehydrator; a spray drying apparatus provided with a spray unit that is configured to spray dehydrated filtrate as desulfurization wastewater supplied from the dehydrator; a flue gas introduction line through which a branch gas branched from the flue gas is introduced to the spray drying apparatus; a flue gas supply line through which flue gas returns to a main flue gas duct, the flue gas being obtained after the dehydrated filtrate is dried by the spray drying apparatus; and a powder supply apparatus that is configured to supply a powder to the flue gas introduction line.
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公开(公告)号：US20160325203A1
公开(公告)日：2016-11-10
申请号：US15214574
申请日：2016-07-20
IPC分类号： B01D1/20 , B01D46/00 , B03C3/017 , B01D47/00 , B01D1/14 , F23J15/04 , C02F1/04 , C02F1/12 , F26B3/12 , B01D53/78 , B01D53/50 , B01D45/12 , B01D1/18
CPC分类号： B01D1/20 , B01D1/18 , B01D53/502 , B01D53/504 , B01D53/505 , B01D2251/404 , B01D2257/404 , B01D2257/602 , B01D2258/0283 , B01J2/04 , C02F1/048 , C02F1/12 , C02F2101/101 , C02F2103/18 , F26B3/12
摘要： A spray drying apparatus includes: a gas inlet provided in a side wall in the vicinity of a top (lid) portion of the spray drying apparatus, for introducing a flue gas for drying a spray of dehydrated filtrate; flow-adjusting plates provided in a body of the spray drying apparatus, for decelerating the introduced flue gas so as to change the flow of the flue gas to a laminar flow; a spray nozzle for spraying the dehydrated filtrate from the desulfurization waste water into the flue gas having been changed to the laminar flow; and a joining unit for joining a bottom portion of the body of the spray drying apparatus to a gas supply line that is a main flue gas duct for the flue gas so as to discharge spray-dried solids to the main flue gas duct.
摘要翻译： 喷雾干燥装置包括：设置在喷雾干燥装置的顶部（盖）部附近的侧壁中的气体入口，用于引入用于干燥脱水滤液喷雾的烟道气; 设置在喷雾干燥装置的主体中的流量调节板，用于使引入的烟道气减速以将烟道气的流量改变为层流; 用于将脱硫滤液从脱硫废水中喷射到已经变成层流的废气中的喷嘴; 以及接合单元，用于将喷雾干燥装置的主体的底部连接到作为烟道气的主烟道的气体供应管线，以将喷雾干燥的固体排出到主烟道。
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公开(公告)号：US20160250588A1
公开(公告)日：2016-09-01
申请号：US15149419
申请日：2016-05-09
IPC分类号： B01D53/50 , C02F1/04 , C02F1/44 , F23J15/00 , B01D1/18 , B01D53/80 , B01D53/14 , C02F1/28 , C02F1/12 , B01D1/20
CPC分类号： B01D53/505 , B01D1/14 , B01D1/18 , B01D1/20 , B01D53/1425 , B01D53/1481 , B01D53/50 , B01D53/501 , B01D53/80 , B01D53/8625 , B01D53/96 , B01D2251/404 , B01D2257/302 , B01D2257/602 , C02F1/048 , C02F1/12 , C02F1/281 , C02F1/441 , C02F1/4693 , C02F1/52 , C02F2001/5218 , C02F2101/101 , C02F2101/106 , C02F2101/108 , C02F2101/12 , C02F2101/20 , C02F2103/18 , F23J15/00 , F23J15/003 , F23J15/022 , F23J15/04 , Y02P70/34
摘要： To include a boiler 11 that burns fuel F, an air heater 13 that recovers heat of flue gas 18 from the boiler 11, a first precipitator 14 that reduces dust in the flue gas 18 after heat recovery, a desulfurizer 15 that reduces sulfur oxides in the flue gas 18 after dust reduction by an absorbent, a dewaterer 32 that reduces gypsum 31 from desulfurization discharged water 30 discharged from the desulfurizer 15, a spray drying device 34 including an atomizer that atomizes a dewatering filtration fluid 33 discharged from the dewaterer 32, and a flue-gas introducing line L11 that introduces a part of the flue gas 18 into the spray drying device 34.
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公开(公告)号：US20160243498A1
公开(公告)日：2016-08-25
申请号：US15025783
申请日：2015-01-22
发明人： Naoyuki Kamiyama , Seiji Kagawa , Toshihiro Fukuda , Tetsu Ushiku
CPC分类号： B01D53/50 , B01D53/501 , B01D53/56 , B01D53/64 , B01D53/75 , B01D53/869 , B01D2251/404 , B01D2251/602 , B01D2251/604 , B01D2251/606 , B01D2257/302 , B01D2257/404 , F23J15/003 , F23J15/04 , F23J15/06 , F23J2215/10 , F23J2215/20 , F23J2219/10 , F23J2219/60 , F23L15/04 , Y02A50/2348 , Y02E20/348
摘要： Provided are: an NOx removal unit to remove nitrogen oxide; an air preheater on a downstream side of the NOx removal unit to recover heat; a precipitator on a downstream side of the air preheater to remove ash dust; a gas-liquid contact type desulfurization unit on a downstream side of the precipitator to remove sulfur oxide; an SO3 removing agent supply unit to supply an SO3 removing agent at a supply unit on an upstream side of the precipitator; and a wet state processing unit between the air preheater and the supply unit to supply water to a flue gas to be made into a wet state; the wet state processing unit having a stand-up portion, a partition unit and a droplet supply unit.
摘要翻译： 提供：除去氮氧化物的NOx去除单元; 在NOx去除单元的下游侧的空气预热器，用于回收热量; 在空气预热器的下游侧具有除尘器以除灰尘; 在除尘器的下游侧的气液接触型脱硫单元，以除去硫氧化物; SO 3去除剂供给单元，其在所述除尘器的上游侧的供给单元供给SO 3除去剂; 以及空气预热器和供给单元之间的湿态处理单元，用于向待制成湿态的烟道气供水; 湿状态处理单元具有支撑部分，分隔单元和液滴供应单元。
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公开(公告)号：US10926217B2
公开(公告)日：2021-02-23
申请号：US16479111
申请日：2017-01-27
发明人： Ryozo Sasaki , Tetsu Ushiku , Satoru Sugita , Tatsuto Nagayasu , Seiji Kagawa , Naoyuki Kamiyama , Yusuke Watanabe
摘要： A ship desulfurization device for desulfurizing exhaust gas discharged from an exhaust gas generation device mounted to a ship includes: an absorber including an absorber body unit defining an interior space having a longitudinal direction and having an exhaust gas introducing port formed on an end portion of the absorber body unit with respect to the longitudinal direction, the exhaust gas introducing port being in communication with the interior space; and an exhaust gas introducing device for introducing exhaust gas discharged from the exhaust gas generation device to the absorber body unit. When L is a maximum length of the interior space of the absorber body unit with respect to the longitudinal direction, and W is a maximum width of the interior space of the absorber body unit with respect to a lateral direction that is orthogonal to the longitudinal direction, a ratio (W:L) of the maximum width W to the maximum length L is within a range of 1:over 1.1 and 1:6.0 or under 6.0.
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10.发明授权公开(公告)号：US10646820B2
公开(公告)日：2020-05-12
申请号：US15745794
申请日：2016-07-15
IPC分类号： B01D53/14 , B01D53/18 , B01D53/50 , B01D53/80 , B01D53/78 , B01D53/30 , B01D53/79 , B01D53/34
摘要： Flue gas generated when fuel is subjected to combustion by a combustor such as a boiler is supplied, and a sulfur oxide is reduced or removed from the supplied flue gas. A desulfurization apparatus 10A includes an absorber 11, a gas introduction unit 13a, an absorbent jetting unit 15, a plurality of water flow oxidation devices 20, an absorbent supplying unit 25, a demister 30, a gas discharging unit 13b, and a control device 40 that varies the number of water flow oxidation devices 20 that jet absorbent 14 and air 21 based on a rate of the sulfur compound in the absorbent 14 within an absorbent storage tank 11A.
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