JP5844943B2 - 脱硝触媒の再生方法 - Google Patents
脱硝触媒の再生方法 Download PDFInfo
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- JP5844943B2 JP5844943B2 JP2015507820A JP2015507820A JP5844943B2 JP 5844943 B2 JP5844943 B2 JP 5844943B2 JP 2015507820 A JP2015507820 A JP 2015507820A JP 2015507820 A JP2015507820 A JP 2015507820A JP 5844943 B2 JP5844943 B2 JP 5844943B2
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- denitration catalyst
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- 239000003054 catalyst Substances 0.000 title claims description 89
- 238000011069 regeneration method Methods 0.000 title claims description 9
- 238000011144 upstream manufacturing Methods 0.000 claims description 40
- 238000000227 grinding Methods 0.000 claims description 36
- 239000000428 dust Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 16
- 230000001172 regenerating effect Effects 0.000 claims description 12
- 230000003247 decreasing effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 229910010413 TiO 2 Inorganic materials 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003426 co-catalyst Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J38/00—Regeneration or reactivation of catalysts, in general
-
- 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
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—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
- B01D53/96—Regeneration, reactivation or recycling of reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/02—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other
- B24C3/06—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other movable; portable
- B24C3/065—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other movable; portable with suction means for the abrasive and the waste material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/32—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks
- B24C3/325—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks for internal surfaces, e.g. of tubes
- B24C3/327—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks for internal surfaces, e.g. of tubes by an axially-moving flow of abrasive particles without passing a blast gun, impeller or the like along the internal surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
- B24C9/006—Treatment of used abrasive material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Description
本実施形態で用いる研削装置の概略構成を図1に、その要部断面を図2にそれぞれ示す。
本実施形態で用いる研削装置の要部断面を図3に、その被研削部材の横断面を図4にそれぞれ示す。なお、本実施形態は、被研削部材を変更した以外の研削装置の概要は上述した実施形態と同様であり、同一作用を示す部材には、同一符号を付して重複する説明は省略する。
断面外径が150mm×150mmで、長さが860mmであり、目開き6mmで、6mm×6mmの断面矩形の貫通孔を7mmピッチで400有するハニカム型の脱硝触媒1を上述した実施形態1の研削装置に配置し、研削材として#46のアルミナを用い、目標研削量100μmで研削した。この時の脱硝触媒1の前後の差圧は5.4kPaであった。
試験例1と同様な脱硝触媒1の径方向外側に、断面積で10%となるダミーセル2を均一に配置したものを被研削部材とし、規制部材25を外した以外は、実施形態2と同様な研削装置で、試験例1と同様な試験を行った。
10 上流固定部材
20 下流固定部材
30 上流側連結部材
40 混合部
50 コンプレッサー
60 下流側連結部材
70 分級部
80 集塵部
Claims (4)
- 脱硝触媒からなる被研削部材の一端部に、当該被研削部材の断面積より大きな断面積の拡開部を具備する上流固定部材を連結する一方、前記被研削部材の他端部に、当該被研削部材との連結側端部から所定寸法だけ一定断面積の流路を具備する下流固定部材を連結し、
前記上流固定部材の上流側には、研削材と気体とを混合する混合部を前記拡開部より小さな断面積の流路を有する上流側連結部材で連結すると共に前記拡開部の内方の前記被研削部材側に所定目開きのスクリーン部材を配置し、一方、前記下流固定部材の下流側には前記一定断面積より小さな断面積の下流側連結部材が連結され、当該下流側連結部材の下流側には、前記被研削部材の貫通孔を通過した研削材と当該研削材により研削された被研削物とを分離する分級部と、該分級部を介して前記混合部の気体を吸引する集塵部とを連結し、
前記集塵部による吸引により、前記混合部からの前記気体に混合された研削材を前記上流固定部材に送り、前記拡開部で流速を低下させて前記気体と研削材との混合物を一時的に滞留させた後、当該混合物を前記脱硝触媒の貫通孔及び前記下流固定部材を通過させて当該貫通孔の内壁を研削し、その後、前記分級部を介して前記集塵部で集塵する
ことを特徴とする脱硝触媒の再生方法。 - 請求項1に記載の脱硝触媒の再生方法において、前記下流固定部材の前記分級部側には流路の中央部の流れを規制する規制部材を配置したことを特徴とする脱硝触媒の再生方法。
- 請求項1又は2に記載の脱硝触媒の再生方法において、前記被研削部材は、脱硝触媒の外周にダミーセルを配置したものであることを特徴とする脱硝触媒の再生方法。
- 請求項1〜3の何れか一項に記載の脱硝触媒の再生方法において、前記被研削部材を立設状態で保持して当該被研削部材の下端部を前記上流固定部材で固定すると共に、上端部を前記下流固定部材で固定することを特徴とする脱硝触媒の再生方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2013/059382 WO2014155628A1 (ja) | 2013-03-28 | 2013-03-28 | 脱硝触媒の再生方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP5844943B2 true JP5844943B2 (ja) | 2016-01-20 |
JPWO2014155628A1 JPWO2014155628A1 (ja) | 2017-02-16 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2015507820A Active JP5844943B2 (ja) | 2013-03-28 | 2013-03-28 | 脱硝触媒の再生方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US10335780B2 (ja) |
EP (1) | EP2979761A4 (ja) |
JP (1) | JP5844943B2 (ja) |
KR (1) | KR101844362B1 (ja) |
CN (1) | CN105377430A (ja) |
CA (1) | CA2908177C (ja) |
WO (1) | WO2014155628A1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6433199B2 (ja) * | 2014-08-28 | 2018-12-05 | ブラスト工業株式会社 | ブラスト加工装置及びブラスト加工方法 |
JP2016047585A (ja) * | 2014-08-28 | 2016-04-07 | ブラスト工業株式会社 | ブラスト加工装置及びブラスト加工方法 |
WO2018151278A1 (ja) * | 2017-02-17 | 2018-08-23 | 学校法人早稲田大学 | 担持触媒および炭素ナノ構造体の製造方法 |
JP6848598B2 (ja) * | 2017-03-29 | 2021-03-24 | 中国電力株式会社 | 脱硝触媒の再利用方法 |
WO2018211549A1 (ja) * | 2017-05-15 | 2018-11-22 | 中国電力株式会社 | 脱硝触媒の研削装置 |
JP7002964B2 (ja) * | 2018-02-28 | 2022-01-20 | 中国電力株式会社 | 脱硝触媒の研磨時間決定方法及び脱硝触媒の再生方法 |
CN110385649A (zh) * | 2019-08-15 | 2019-10-29 | 襄阳新东特锻造有限公司 | 一种抛丸清理机的丸渣清理机构 |
WO2021171628A1 (ja) * | 2020-02-28 | 2021-09-02 | 中国電力株式会社 | 脱硝触媒研磨装置 |
WO2021171624A1 (ja) * | 2020-02-28 | 2021-09-02 | 中国電力株式会社 | 脱硝触媒研磨装置 |
WO2021171625A1 (ja) * | 2020-02-28 | 2021-09-02 | 中国電力株式会社 | 脱硝触媒研磨装置 |
WO2021245841A1 (ja) * | 2020-06-03 | 2021-12-09 | 中国電力株式会社 | 脱硝触媒研磨装置 |
WO2021245842A1 (ja) * | 2020-06-03 | 2021-12-09 | 中国電力株式会社 | 脱硝触媒研磨装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62241555A (ja) * | 1986-04-11 | 1987-10-22 | Kawasaki Heavy Ind Ltd | 触媒の乾式再生方法 |
JPH07116523A (ja) * | 1993-10-28 | 1995-05-09 | Ishikawajima Harima Heavy Ind Co Ltd | 脱硝触媒の再生方法および再生装置 |
JP2000325801A (ja) * | 1999-05-21 | 2000-11-28 | Shikoku Electric Power Co Inc | 劣化触媒再生用の投射装置 |
Family Cites Families (12)
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US3981685A (en) * | 1973-12-26 | 1976-09-21 | United Technologies Corporation | Monolithic catalytic converter having fluidized abrasive particles bed for maintaining catalyst activity |
JPS5239568A (en) | 1975-09-25 | 1977-03-26 | Jgc Corp | Process for removing dust sticked to inside of reactor |
JPH01119343A (ja) | 1987-11-04 | 1989-05-11 | Ishikawajima Harima Heavy Ind Co Ltd | 脱硝触媒の再生処理方法 |
JPH02245241A (ja) | 1989-03-20 | 1990-10-01 | Ishikawajima Harima Heavy Ind Co Ltd | 触媒の再生装置 |
JPH04197451A (ja) | 1990-11-29 | 1992-07-17 | Japan Carlit Co Ltd:The | 脱硝触媒の再生方法 |
US5391356A (en) * | 1993-03-26 | 1995-02-21 | International Paper Company | Flow distributor for a fluidized bed reactor |
JP3936238B2 (ja) * | 2002-05-20 | 2007-06-27 | 株式会社デンソー | 触媒体および触媒体の製造方法 |
JP4578048B2 (ja) * | 2002-06-21 | 2010-11-10 | 中国電力株式会社 | 脱硝触媒再生方法 |
US20040001781A1 (en) * | 2002-06-27 | 2004-01-01 | Engelhard Corporation | Multi-zone catalytic converter |
JP5555551B2 (ja) * | 2010-06-14 | 2014-07-23 | 株式会社日高ファインテクノロジーズ | 研削加工装置及び研削加工方法 |
JP5799938B2 (ja) * | 2012-11-20 | 2015-10-28 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
JP7014486B2 (ja) * | 2018-01-25 | 2022-02-01 | 株式会社デンソーテン | 配線パターン構造及び電子機器 |
-
2013
- 2013-03-28 CN CN201380075151.7A patent/CN105377430A/zh active Pending
- 2013-03-28 KR KR1020157030261A patent/KR101844362B1/ko active IP Right Grant
- 2013-03-28 WO PCT/JP2013/059382 patent/WO2014155628A1/ja active Application Filing
- 2013-03-28 US US14/780,894 patent/US10335780B2/en active Active
- 2013-03-28 EP EP13880088.3A patent/EP2979761A4/en not_active Withdrawn
- 2013-03-28 JP JP2015507820A patent/JP5844943B2/ja active Active
- 2013-03-28 CA CA2908177A patent/CA2908177C/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62241555A (ja) * | 1986-04-11 | 1987-10-22 | Kawasaki Heavy Ind Ltd | 触媒の乾式再生方法 |
JPH07116523A (ja) * | 1993-10-28 | 1995-05-09 | Ishikawajima Harima Heavy Ind Co Ltd | 脱硝触媒の再生方法および再生装置 |
JP2000325801A (ja) * | 1999-05-21 | 2000-11-28 | Shikoku Electric Power Co Inc | 劣化触媒再生用の投射装置 |
Also Published As
Publication number | Publication date |
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US10335780B2 (en) | 2019-07-02 |
US20160051976A1 (en) | 2016-02-25 |
CA2908177A1 (en) | 2014-10-02 |
KR20160002805A (ko) | 2016-01-08 |
EP2979761A1 (en) | 2016-02-03 |
WO2014155628A1 (ja) | 2014-10-02 |
CA2908177C (en) | 2020-01-14 |
JPWO2014155628A1 (ja) | 2017-02-16 |
KR101844362B1 (ko) | 2018-04-02 |
CN105377430A (zh) | 2016-03-02 |
EP2979761A4 (en) | 2017-01-18 |
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