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公开(公告)号：US09987586B2
公开(公告)日：2018-06-05
申请号：US15397373
申请日：2017-01-03
CPC分类号： B01D53/1412 , B01D53/1425 , B01D53/1475 , B01D53/18 , B01D53/346 , B01D53/62 , B01D53/78 , B01D2252/20478 , B01D2256/22 , B01D2258/0283 , C01B32/50 , F23J15/04 , F23J2215/50 , F23J2219/40 , Y02A50/2342 , Y02C10/04 , Y02C10/06 , Y02E20/326
摘要： A CO2 recovery unit includes a CO2-absorber that causes a gas containing CO2 to contact a CO2-absorbing solution and that causes the CO2 in the gas to be absorbed into the CO2-absorbing solution; a CO2-regenerator that heats the CO2-absorbing solution, releases the CO2 from the CO2-absorbing solution, and regenerates the CO2-absorbing solution; and a CO2 recovery amount controller that: calculates a computed target value of a CO2 recovery amount and a computed target value of a CO2 recovery rate based on a set value of the CO2 recovery rate, actual measured values of CO2 concentration, gas flow rate, and temperature of the gas, and calculates a maximum value of the CO2 recovery amount in the CO2-absorber and a maximum value of the CO2 recovery amount in the CO2-regenerator.
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公开(公告)号：US10427093B2
公开(公告)日：2019-10-01
申请号：US15100124
申请日：2015-01-09
发明人： Takuya Hirata , Hiroshi Tanaka , Hiromitsu Nagayasu , Yoshiki Sorimachi , Daisuke Shimada , Tsuyoshi Oishi
摘要： A CO2 recovery apparatus is provided with: a CO2 absorption tower for bringing exhaust gas into contact with a CO2 absorbing liquid and making the CO2 absorbing liquid absorb the CO2 contained in the exhaust gas; a CO2 absorbing liquid regeneration tower for heating the CO2 absorbing liquid with steam and releasing CO2 from the CO2 absorbing liquid and regenerating the CO2 absorbing liquid; a flowmeter for determining the flow rates of the exhaust gas introduced into the CO2 absorption tower; and a control unit for classifying the flow rates of the exhaust gas into multiple flow rate ranges, and controlling the flow rate of the CO2 absorbing liquid supplied to the CO2 absorption tower and the flow rate of steam supplied to the CO2 absorbing liquid regeneration tower on the basis of prescribed set load values which have been previously established in accordance with the multiple flow rate ranges.
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公开(公告)号：US20160114283A1
公开(公告)日：2016-04-28
申请号：US14898855
申请日：2015-01-21
发明人： Shinichi Okamoto , Masaru Chiyomaru , Hiroshi Tanaka , Hiromitsu Nagayasu , Takuya Hirata , Tsuyoshi Oishi , Daisuke Shimada
IPC分类号： B01D53/14
CPC分类号： B01D53/1425 , B01D53/14 , B01D53/1412 , B01D53/1475 , B01D53/1493 , B01D53/30 , B01D53/52 , B01D53/62 , B01D53/77 , B01D2252/204 , B01D2257/504 , B01D2258/0283 , Y02A50/2342 , Y02C10/06
摘要： When CO2 gas is absorbed by using an absorbent circulating in an absorption tower and an absorbent regeneration tower, a first sampling part at which a lean solution sample is collected in the vicinity of an inlet for a lean solution supply line in the absorption tower, a second sampling part at which a rich solution sample is collected in the vicinity of an outlet for a rich solution supply line in the absorption tower, and an analyzing device which analyzes the collected lean solution sample and rich solution sample are provided; the lean solution sample at the first sampling part and the rich solution sample at the second sampling part are collected, respectively, in the same time period, and concentrations of CO2 gas in the lean solution sample and the rich solution sample are measured, and then the gas absorbing/regenerating operation is controlled based on measured results.
摘要翻译： 当通过使用在吸收塔和吸收再生塔中循环的吸收剂来吸收CO 2气体时，在吸收塔中用于贫溶液供应管线的入口附近收集贫溶液样品的第一取样部分， 提供了在吸收塔中的富溶液供应管线的出口附近收集富溶液样品的第二取样部分和分析收集的贫溶样品和富溶液样品的分析装置; 在同一时间段分别收集第一取样部分的稀溶液样品和第二取样部分的富溶液样品，并测量贫溶液样品和富溶液样品中二氧化碳气体的浓度，然后 基于测量结果控制气体吸收/再生操作。
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公开(公告)号：US10016718B2
公开(公告)日：2018-07-10
申请号：US14898855
申请日：2015-01-21
发明人： Shinichi Okamoto , Masaru Chiyomaru , Hiroshi Tanaka , Hiromitsu Nagayasu , Takuya Hirata , Tsuyoshi Oishi , Daisuke Shimada
CPC分类号： B01D53/1425 , B01D53/14 , B01D53/1412 , B01D53/1475 , B01D53/1493 , B01D53/30 , B01D53/52 , B01D53/62 , B01D53/77 , B01D2252/204 , B01D2257/504 , B01D2258/0283 , Y02A50/2342 , Y02C10/06
摘要： When CO2 gas is absorbed by using an absorbent circulating in an absorption tower and an absorbent regeneration tower, a first sampling part at which a lean solution sample is collected in the vicinity of an inlet for a lean solution supply line in the absorption tower, a second sampling part at which a rich solution sample is collected in the vicinity of an outlet for a rich solution supply line in the absorption tower, and an analyzing device which analyzes the collected lean solution sample and rich solution sample are provided; the lean solution sample at the first sampling part and the rich solution sample at the second sampling part are collected, respectively, in the same time period, and concentrations of CO2 gas in the lean solution sample and the rich solution sample are measured, and then the gas absorbing/regenerating operation is controlled based on measured results.
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公开(公告)号：US20170113177A1
公开(公告)日：2017-04-27
申请号：US15397373
申请日：2017-01-03
CPC分类号： B01D53/1412 , B01D53/1425 , B01D53/1475 , B01D53/18 , B01D53/346 , B01D53/62 , B01D53/78 , B01D2252/20478 , B01D2256/22 , B01D2258/0283 , C01B32/50 , F23J15/04 , F23J2215/50 , F23J2219/40 , Y02A50/2342 , Y02C10/04 , Y02C10/06 , Y02E20/326
摘要： A CO2 recovery unit includes a CO2-absorber that causes a gas containing CO2 to contact a CO2-absorbing solution and that causes the CO2 in the gas to be absorbed into the CO2-absorbing solution; a CO2-regenerator that heats the CO2-absorbing solution, releases the CO2 from the CO2-absorbing solution, and regenerates the CO2-absorbing solution; and a CO2 recovery amount controller that: calculates a computed target value of a CO2 recovery amount and a computed target value of a CO2 recovery rate based on a set value of the CO2 recovery rate, actual measured values of CO2 concentration, gas flow rate, and temperature of the gas, and calculates a maximum value of the CO2 recovery amount in the CO2-absorber and a maximum value of the CO2 recovery amount in the CO2-regenerator.
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公开(公告)号：US09901873B2
公开(公告)日：2018-02-27
申请号：US14420248
申请日：2013-07-31
发明人： Tsuyoshi Oishi , Hiromitsu Nagayasu , Hiroshi Tanaka , Takuya Hirata , Takashi Kamijo , Daisuke Shimada
CPC分类号： B01D53/62 , B01D19/0015 , B01D19/0042 , B01D53/1425 , B01D53/1475 , B01D53/78 , B01D2252/204 , B01D2252/20478 , B01D2257/104 , B01D2258/0283 , C01B32/50 , Y02C10/04 , Y02C10/06 , Y02P20/152
摘要： CO2 absorber includes a CO2 absorbing section in which a CO2-containing flue gas and a CO2 absorbent are brought into contact with each other to remove CO2, and an aqueous cleaning section in which a decarbonated flue gas and rinsing water are brought into contact with each other to remove an accompanying substance. A lean solution is re-used in the absorber. The CO2 recovery device includes a degassing basin which is interposed in a rich solution supply line that supplies the rich solution from the CO2 absorber to the absorbent regenerator, and which includes a retaining section configured to remove oxygen in the rich solution.
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公开(公告)号：US20170113178A1
公开(公告)日：2017-04-27
申请号：US15397433
申请日：2017-01-03
CPC分类号： B01D53/1412 , B01D53/1425 , B01D53/1475 , B01D53/18 , B01D53/346 , B01D53/62 , B01D53/78 , B01D2252/20478 , B01D2256/22 , B01D2258/0283 , F23J15/04 , Y02C10/04 , Y02C10/06 , Y02E20/326
摘要： A CO2 recovery unit includes a CO2 absorber in which a gas containing CO2 contacts a CO2-absorbing solution that absorbs the CO2 in the gas; a CO2-absorbing solution regenerator that heats the CO2-absorbing solution that has absorbed the CO2, releases the CO2 from the CO2-absorbing solution, and regenerates the CO2-absorbing solution; and at least one of a CO2 recovery rate controller that controls a difference between an actual measured value and a target value of a recovery rate of the CO2 to be within a predetermined range; and a CO2 recovery amount controller that controls a difference between an actual measured value and a target value of a recovery amount of CO2 to be within a predetermined range.
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公开(公告)号：US20170106332A1
公开(公告)日：2017-04-20
申请号：US15100124
申请日：2015-01-09
发明人： Takuya Hirata , Hiroshi Tanaka , Hiromitsu Nagayasu , Yoshiki Sorimachi , Daisuke Shimada , Tsuyoshi Oishi
CPC分类号： B01D53/1475 , B01D53/1412 , B01D53/346 , B01D53/62 , B01D2252/20478 , B01D2258/0283 , C01B32/50 , Y02C10/06 , Y02P20/152
摘要： A CO2 recovery apparatus is provided with: a CO2 absorption tower for bringing exhaust gas into contact with a CO2 absorbing liquid and making the CO2 absorbing liquid absorb the CO2 contained in the exhaust gas; a CO2 absorbing liquid regeneration tower for heating the CO2 absorbing liquid with steam and releasing CO2 from the CO2 absorbing liquid and regenerating the CO2 absorbing liquid; a flowmeter for determining the flow rates of the exhaust gas introduced into the CO2 absorption tower; and a control unit for classifying the flow rates of the exhaust gas into multiple flow rate ranges, and controlling the flow rate of the CO2 absorbing liquid supplied to the CO2 absorption tower and the flow rate of steam supplied to the CO2 absorbing liquid regeneration tower on the basis of prescribed set load values which have been previously established in accordance with the multiple flow rate ranges.
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公开(公告)号：US20150217227A1
公开(公告)日：2015-08-06
申请号：US14420248
申请日：2013-07-31
发明人： Tsuyoshi Oishi , Hiromitsu Nagayasu , Hiroshi Tanaka , Takuya Hirata , Takashi Kamijo , Daisuke Shimada
CPC分类号： B01D53/62 , B01D19/0015 , B01D19/0042 , B01D53/1425 , B01D53/1475 , B01D53/78 , B01D2252/204 , B01D2252/20478 , B01D2257/104 , B01D2258/0283 , C01B32/50 , Y02C10/04 , Y02C10/06 , Y02P20/152
摘要： CO2 absorber includes a CO2 absorbing section in which a CO2-containing flue gas and a CO2 absorbent are brought into contact with each other to remove CO2, and an aqueous cleaning section in which a decarbonated flue gas and rinsing water are brought into contact with each other to remove an accompanying substance. A lean solution is re-used in the absorber. The CO2 recovery device includes a degassing basin which is interposed in a rich solution supply line that supplies the rich solution from the CO2 absorber to the absorbent regenerator, and which includes a retaining section configured to remove oxygen in the rich solution.
摘要翻译： CO 2吸收器包括CO 2吸收段，其中使含CO 2的烟道气和CO 2吸收剂彼此接触以除去CO 2;以及水性清洁区，其中脱碳烟气和漂洗水与每个 除去附带的物质。 在吸收器中重新使用精益解决方案。 二氧化碳回收装置包括一个脱气池，该脱气池插入富含溶液供应管线中，该富含溶液供应管路将富含溶液从CO 2吸收器供应到吸收剂再生器，并且其包括构造成去除富溶液中的氧的保留部分。
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