KR101338068B1 - Sdpf 및 그 제조방법 - Google Patents
Sdpf 및 그 제조방법 Download PDFInfo
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Abstract
Description
도 2는 본 발명의 일 실시예에 따른 SDPF의 상세 단면 구성도.
도 3은 본 발명의 일 실시예에 따른 SPDF의 전체 구성도.
200 : 플러그 300 : SCR촉매층
500 : 산화알루미늄층 700 : 귀금속촉매층
Claims (9)
- 디젤 배기가스의 PM(Particulate Materials)을 포집하는 다기공의 필터부(100);
상기 필터부(100)의 배기가스 입구측에 코팅된 SCR(Selective Catalytic Reduction)촉매층(300);
상기 필터부(100)의 배기가스 출구측에 코팅된 산화알루미늄층(500); 및
상기 산화알루미늄층(500)의 표면에 코팅된 귀금속촉매층(700);을 포함하고,상기 산화알루미늄층(500)은 입자의 크기가 필터부 기공크기의 80~120%이며, 상기 귀금속촉매층(700)은 입자 크기가 필터부 기공크기의 80~120%인 것을 특징으로 하는 SDPF(SCR on Diesel Particular Filter). - 청구항 1에 있어서,
상기 SCR촉매층(300)은 제올라이트(zeolite) 촉매를 포함하는 코팅층인 것을 특징으로 하는 SDPF. - 삭제
- 삭제
- 청구항 1에 있어서,
상기 귀금속촉매층(700)은 귀금속이 산화알루미늄에 함침되어 형성된 것을 특징으로 하는 SDPF. - 청구항 1에 있어서,
상기 필터부(100)는 층층이 배치된 복수의 필터패널(120)로 구성되고, 복수의 필터패널(120)은 마주보는 면끼리 배기가스 입구측과 출구측을 형성하여 입구측과 출구측이 번갈아가며 형성된 것을 특징으로 하는 SDPF. - 디젤 배기가스의 PM(Particulate Materials)을 포집하는 복수의 다기공 필터패널을 일정간격 이격하여 층층이 배치하는 필터제조단계;
필터패널의 마주보는 면끼리 배기가스 입구측과 출구측을 형성하되 입구측과 출구측이 번갈아가며 형성되도록 하는 배치단계;
상기 필터패널의 입구측 면들이 SCR촉매액에 함침되도록 하는 SCR층코팅단계;
상기 필터패널의 출구측 면들이 산화알루미늄액에 함침되도록 하는 산화알루미늄층코팅단계; 및
상기 필터패널의 출구측 면들이 귀금속촉매액에 함침되도록 하는 귀금속촉매층코팅단계;를 포함하고,
상기 산화알루미늄층코팅단계에서 산화알루미늄층은 입자의 크기가 필터부 기공크기의 80~120%이며, 상기 귀금속촉매층코팅단계에서 귀금속촉매층은 입자 크기가 필터부 기공크기의 80~120%인 것을 특징으로 하는 SDPF 제조방법. - 청구항 7에 있어서,
상기 산화알루미늄층코팅단계는 산화알루미늄을 밀링 및 건조한 후 점도를 조절하여 산화알루미늄액을 제조하고, 필터패널의 출구측 면들을 함침한 후 건조시켜 코팅하는 것을 특징으로 하는 SDPF 제조방법. - 청구항 7에 있어서,
상기 귀금속촉매층코팅단계는 산화알루미늄을 밀링한 후 귀금속 전구체와 혼합하고, 소성 및 밀링 후 점도를 조절하여 귀금속촉매액을 제조하고, 필터패널의 출구측 면들을 함침한 후 건조시켜 코팅하는 것을 특징으로 하는 SDPF 제조방법.
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KR1020110125045A KR101338068B1 (ko) | 2011-11-28 | 2011-11-28 | Sdpf 및 그 제조방법 |
US13/487,879 US9278336B2 (en) | 2011-11-28 | 2012-06-04 | SCR on diesel particular filter and method for producing the same |
CN201210218986.0A CN103133093B (zh) | 2011-11-28 | 2012-06-28 | 在柴油机特定的过滤器上的scr及其制备方法 |
DE102012105822.9A DE102012105822B4 (de) | 2011-11-28 | 2012-07-02 | SCR auf Dieselpartikelfilter und Verfahren zum Herstellen derselben |
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KR20220086729A (ko) | 2020-12-16 | 2022-06-24 | 주식회사 씨엠티 | 다공성 필터용 세라믹 조성물과, 이를 이용하여 제조한 다공성 허니컴 세라믹 필터 및 필터 세그먼트 |
DE102021124631A1 (de) | 2021-09-23 | 2023-03-23 | Bayerische Motoren Werke Aktiengesellschaft | Verbrennungskraftmaschine für ein Kraftfahrzeug sowie Kraftfahrzeug, insbesondere Kraftwagen |
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Also Published As
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DE102012105822B4 (de) | 2022-12-15 |
KR20130058994A (ko) | 2013-06-05 |
DE102012105822A9 (de) | 2013-08-01 |
US9278336B2 (en) | 2016-03-08 |
US20130136662A1 (en) | 2013-05-30 |
CN103133093B (zh) | 2017-07-04 |
DE102012105822A1 (de) | 2013-05-29 |
CN103133093A (zh) | 2013-06-05 |
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