JP6743433B2 - 二酸化炭素の回収方法及び回収装置 - Google Patents
二酸化炭素の回収方法及び回収装置 Download PDFInfo
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Description
3 圧縮機
5 膨張機
11 冷却器
13 脱硝装置
15 熱交換器
17 ヒーター
19 検出器
21 流量計
SP 分離装置
DR 乾燥装置
RG 再生システム
SU 補充システム
C1,C2,C3,C4 カラム
X サイレンサ
M 動力源
A 吸着剤
H 吸湿剤
G ガス
G’ 残部ガス
C 二酸化炭素
N 補充ガス
Claims (9)
- 圧力変動による二酸化炭素の吸着剤に対する吸着及び脱着を利用してガスから二酸化炭素を分離し、二酸化炭素が除去された残部ガスを排出する分離装置と、
前記分離装置へ供給されるガスを乾燥するための吸湿剤を有する乾燥装置と、
前記分離装置から排出される残部ガスを、前記乾燥装置の吸湿剤を再生するための再生ガスとして前記乾燥装置に供給する再生システムと、
前記再生ガスの流量が所定量になるように、前記分離装置から排出される前記残部ガスの流量に応じて外部から補充ガスを前記残部ガスに供給する補充システムと
を有し、前記補充システムは、
前記乾燥装置に供給される再生ガスの流量を測定する流量計と、
前記流量計と電気的に接続され、測定される流量に応じて前記補充ガスの供給を調整するための流量調整弁と
を有する二酸化炭素の回収装置。 - 前記補充システムは、酸素製造装置から廃棄される窒素ガスを前記補充ガスとして供給するラインを有し、前記分離装置の吸着剤は、金属−有機構造体を有する請求項1に記載の二酸化炭素の回収装置。
- 前記分離装置は、前記吸着剤が二酸化炭素を吸着可能な圧力になるように、前記分離装置へ供給されるガスを加圧する加圧装置を有し、
前記補充システムは、更に、前記加圧装置によって加圧されたガスと前記乾燥装置へ供給される再生ガスとを熱交換する熱交換器を有し、
前記熱交換器における熱交換によって、前記再生ガスが加熱されると共に、前記加圧されたガスが冷却されて前記乾燥装置及び前記分離装置へ供給される請求項1又は2に記載の二酸化炭素の回収装置。 - 前記熱交換器が熱交換する再生ガスは、前記補充ガスが供給された前記残部ガスである請求項3に記載の二酸化炭素の回収装置。
- 前記分離装置は、前記吸着剤を収容する対になったカラムと、前記吸着剤に吸着された二酸化炭素が脱着可能な圧力に前記カラム内の圧力を低下させる減圧装置とを有する請求項3又は4に記載の二酸化炭素の回収装置。
- 前記加圧装置は、ガスを圧縮する圧縮機を有し、前記減圧装置は、前記圧縮機と協働するように構成される膨張機を有する請求項5に記載の二酸化炭素の回収装置。
- 更に、前記分離装置へ供給されるガスから窒素酸化物を除去するための脱硝装置を有する請求項1〜6の何れか一項に記載の二酸化炭素の回収装置。
- 前記脱硝装置は、ガスから凝縮する凝縮水を分離する気液分離器を有し、これにより前記凝縮水に含まれる窒素酸化物を除去する請求項7に記載の二酸化炭素の回収装置。
- 圧力変動による二酸化炭素の吸着剤に対する吸着及び脱着を利用してガスから二酸化炭素を分離し、二酸化炭素が除去された残部ガスを排出する分離処理と、
前記分離処理へ供給されるガスを、吸湿剤を用いて乾燥する乾燥処理と、
前記分離処理から排出される残部ガスを、吸湿剤を再生する再生ガスとして前記乾燥処理で用いた前記吸湿剤に供給する再生処理と、
前記再生ガスの流量が所定量になるように、前記分離処理から排出される前記残部ガスの流量に応じて外部から補充ガスを供給する補充処理と
を有し、前記補充処理は、
前記乾燥処理に供給される再生ガスの流量を、流量計を用いて測定する流量測定と、
測定される流量に応じて前記補充ガスの供給を、流量調整弁を用いて調整する流量調整と
を有する二酸化炭素の回収方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP2016051910A JP6743433B2 (ja) | 2016-03-16 | 2016-03-16 | 二酸化炭素の回収方法及び回収装置 |
PCT/JP2017/000945 WO2017159017A1 (ja) | 2016-03-16 | 2017-01-13 | 二酸化炭素の回収方法及び回収装置 |
AU2017234497A AU2017234497B2 (en) | 2016-03-16 | 2017-01-13 | Carbon dioxide recovery method and recovery device |
CA3017323A CA3017323C (en) | 2016-03-16 | 2017-01-13 | Carbon dioxide recovery method and recovery device |
US15/960,745 US10682603B2 (en) | 2016-03-16 | 2018-04-24 | Carbon dioxide recovery method and recovery device |
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AU (1) | AU2017234497B2 (ja) |
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WO (1) | WO2017159017A1 (ja) |
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