CN102284306B - Scr催化剂孔道的清洗疏通装置 - Google Patents
Scr催化剂孔道的清洗疏通装置 Download PDFInfo
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- CN102284306B CN102284306B CN 201110235622 CN201110235622A CN102284306B CN 102284306 B CN102284306 B CN 102284306B CN 201110235622 CN201110235622 CN 201110235622 CN 201110235622 A CN201110235622 A CN 201110235622A CN 102284306 B CN102284306 B CN 102284306B
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- CN
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- Prior art keywords
- cleaning
- casing
- catalyst
- duct
- dredging device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003054 catalyst Substances 0.000 title claims abstract description 105
- 238000004140 cleaning Methods 0.000 title claims abstract description 67
- 238000010531 catalytic reduction reaction Methods 0.000 title abstract description 4
- 239000011148 porous material Substances 0.000 title abstract description 3
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 230000001105 regulatory effect Effects 0.000 claims abstract description 19
- 230000005587 bubbling Effects 0.000 claims abstract description 10
- 238000005273 aeration Methods 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 33
- 239000007789 gas Substances 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
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- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201110235622 CN102284306B (zh) | 2011-08-17 | 2011-08-17 | Scr催化剂孔道的清洗疏通装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201110235622 CN102284306B (zh) | 2011-08-17 | 2011-08-17 | Scr催化剂孔道的清洗疏通装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102284306A CN102284306A (zh) | 2011-12-21 |
CN102284306B true CN102284306B (zh) | 2012-12-12 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201110235622 Expired - Fee Related CN102284306B (zh) | 2011-08-17 | 2011-08-17 | Scr催化剂孔道的清洗疏通装置 |
Country Status (1)
Country | Link |
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CN (1) | CN102284306B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104368399B (zh) * | 2014-10-31 | 2016-09-14 | 浙江浙能催化剂技术有限公司 | 一种疏通蜂窝式再生scr催化剂孔道的装置 |
EP4065823A1 (en) * | 2019-11-25 | 2022-10-05 | Volvo Truck Corporation | Method for unblocking pores in a selective catalytic reduction catalyst |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100577258C (zh) * | 2003-02-21 | 2010-01-06 | 恩威吉环境能源工程建设有限公司 | 用于从一束通道内清除污染物和/或堵塞的方法 |
CN102120220A (zh) * | 2010-12-17 | 2011-07-13 | 广东工业大学 | 一种光催化金属网的超声波清洗装置及其清洗方法 |
CN202219168U (zh) * | 2011-08-17 | 2012-05-16 | 常州市肯创环境工程技术有限公司 | Scr催化剂孔道的清洗疏通装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5670841A (en) * | 1979-11-13 | 1981-06-13 | Ngk Insulators Ltd | Method of catalyst regeneration |
US6913026B2 (en) * | 2003-02-25 | 2005-07-05 | Enerfab, Inc. | Methods for cleaning catalytic converters |
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2011
- 2011-08-17 CN CN 201110235622 patent/CN102284306B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100577258C (zh) * | 2003-02-21 | 2010-01-06 | 恩威吉环境能源工程建设有限公司 | 用于从一束通道内清除污染物和/或堵塞的方法 |
CN102120220A (zh) * | 2010-12-17 | 2011-07-13 | 广东工业大学 | 一种光催化金属网的超声波清洗装置及其清洗方法 |
CN202219168U (zh) * | 2011-08-17 | 2012-05-16 | 常州市肯创环境工程技术有限公司 | Scr催化剂孔道的清洗疏通装置 |
Non-Patent Citations (1)
Title |
---|
JP昭56-70841A 1981.06.13 |
Also Published As
Publication number | Publication date |
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CN102284306A (zh) | 2011-12-21 |
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Address after: 213022, No. 406, north, innovation and technology building, Xinbei hi tech park, Changzhou, Jiangsu Applicant after: COUNTRY JIANGSU ENVIRONMENT TECHNOLOGY CO., LTD. Applicant after: South China University of Technology Address before: Wujin District of Jiangsu city of Changzhou province Dingan road 213161 No. 35 Tian Lu Plaza F4-1 Applicant before: Hangzhou Kenchuang Environment Engineering Technology Co., Ltd. Applicant before: South China University of Technology |
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Free format text: CORRECT: APPLICANT; FROM: CHANGZHOU KENCHUANG ENVIRONMENTAL ENGINEERING TECHNIQUE CO., LTD. TO: JIANGSU COUNTRY ENVIRONMENTAL TECHNOLOGIES CO., LTD. |
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Owner name: JIANGSU KENCHUANG CATALYST REGENERATION TECHNOLOGY Free format text: FORMER OWNER: JIANGSU COUNTRY ENVIRONMENTAL TECHNOLOGIES CO., LTD. Effective date: 20140814 |
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Effective date of registration: 20140814 Address after: 213022, No. 88, ring Garden Road, Jincheng Town, Changzhou City, Jiangsu, Jintan Patentee after: COUNTRY JIANGSU CATALYST REGENERATION TECHNOLOGIES CO., LTD. Patentee after: South China University of Technology Address before: 213022, No. 406, north, innovation and technology building, Xinbei hi tech park, Changzhou, Jiangsu Patentee before: COUNTRY JIANGSU ENVIRONMENT TECHNOLOGY CO., LTD. Patentee before: South China University of Technology |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20180817 |
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CF01 | Termination of patent right due to non-payment of annual fee |