CN103133097B - 柴油发动机排气后处理用气液外混合式喷射***及方法 - Google Patents
柴油发动机排气后处理用气液外混合式喷射***及方法 Download PDFInfo
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- CN103133097B CN103133097B CN201310060436.5A CN201310060436A CN103133097B CN 103133097 B CN103133097 B CN 103133097B CN 201310060436 A CN201310060436 A CN 201310060436A CN 103133097 B CN103133097 B CN 103133097B
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- 239000007788 liquid Substances 0.000 title claims abstract description 132
- 238000002347 injection Methods 0.000 title claims abstract description 22
- 239000007924 injection Substances 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000002156 mixing Methods 0.000 title abstract description 6
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 225
- 238000003860 storage Methods 0.000 claims abstract description 39
- 239000007789 gas Substances 0.000 claims description 79
- 238000012958 reprocessing Methods 0.000 claims description 27
- 238000004891 communication Methods 0.000 claims description 26
- 239000012530 fluid Substances 0.000 claims description 24
- 238000005086 pumping Methods 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 9
- 230000003197 catalytic effect Effects 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 7
- 239000000443 aerosol Substances 0.000 claims description 6
- 230000003467 diminishing effect Effects 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000005304 joining Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 19
- 239000004202 carbamide Substances 0.000 description 19
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 12
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
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- 238000007599 discharging Methods 0.000 description 2
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- 238000007789 sealing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000001856 aerosol method Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
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- 238000012805 post-processing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Exhaust Gas After Treatment (AREA)
Abstract
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CN201310060436.5A CN103133097B (zh) | 2013-02-26 | 2013-02-26 | 柴油发动机排气后处理用气液外混合式喷射***及方法 |
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CN201310060436.5A CN103133097B (zh) | 2013-02-26 | 2013-02-26 | 柴油发动机排气后处理用气液外混合式喷射***及方法 |
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CN103133097A CN103133097A (zh) | 2013-06-05 |
CN103133097B true CN103133097B (zh) | 2014-10-01 |
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CN201310060436.5A Active CN103133097B (zh) | 2013-02-26 | 2013-02-26 | 柴油发动机排气后处理用气液外混合式喷射***及方法 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109869217B (zh) * | 2017-12-05 | 2022-04-15 | 罗伯特·博世有限公司 | 用于尿素水溶液喷射***的喷嘴阻塞诊断***和方法 |
CN109139202B (zh) * | 2018-09-12 | 2020-04-24 | 潍柴动力股份有限公司 | 尿素泵和scr喷射*** |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2537824Y (zh) * | 2002-04-24 | 2003-02-26 | 华南理工大学 | 摩托车排气综合型净化装置 |
US7571602B2 (en) * | 2005-05-19 | 2009-08-11 | Gm Global Technology Operations, Inc. | Exhaust aftertreatment system and method of use for lean burn internal combustion engines |
KR100986358B1 (ko) * | 2008-04-03 | 2010-10-08 | 현대자동차주식회사 | 질소산화물 선택적 촉매 정화장치가 장착된 배기관 |
JP2010138783A (ja) * | 2008-12-11 | 2010-06-24 | Shin Ace:Kk | 内燃機関の後処理装置及び排気ガス浄化装置及びそれを用いた排気ガス浄化方法 |
DE102009015419A1 (de) * | 2009-03-27 | 2010-09-30 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Verfahren zur Zufuhr von Reduktionsmittel in ein Abgassystem und entsprechendes Abgassystem |
US8393142B2 (en) * | 2010-04-30 | 2013-03-12 | Caterpillar Inc. | Reductant dosing manifold |
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Address after: 710043 Xi'an City, the new city of happiness Road, No., No. 37 Patentee after: XI'AN QINTAI AUTOMOBILE EMISSION TECHNOLOGY Co.,Ltd. Address before: 710043 Shaanxi City, Xi'an, happiness Road, No. 37 Patentee before: XI'AN QINTAI AUTO PARTS CO.,LTD. |
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Denomination of invention: Outside gas-liquid mixing injection system and method for exhaust after-treatment of diesel engines Effective date of registration: 20170426 Granted publication date: 20141001 Pledgee: Shaanxi SME financing Company limited by guarantee Pledgor: XI'AN QINTAI AUTOMOBILE EMISSION TECHNOLOGY Co.,Ltd. Registration number: 2017610000029 |
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