KR100883946B1 - 세라믹 허니컴 구조체 - Google Patents
세라믹 허니컴 구조체 Download PDFInfo
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- KR100883946B1 KR100883946B1 KR1020067017599A KR20067017599A KR100883946B1 KR 100883946 B1 KR100883946 B1 KR 100883946B1 KR 1020067017599 A KR1020067017599 A KR 1020067017599A KR 20067017599 A KR20067017599 A KR 20067017599A KR 100883946 B1 KR100883946 B1 KR 100883946B1
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- pore
- ceramic
- honeycomb structure
- honeycomb
- pore diameter
- Prior art date
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- 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
- B01J35/57—Honeycombs
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- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
- B01J21/04—Alumina
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- 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
- B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
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- 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
- B01J35/58—Fabrics or filaments
-
- 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
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/0051—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof characterised by the pore size, pore shape or kind of porosity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
- F01N3/2825—Ceramics
- F01N3/2828—Ceramic multi-channel monoliths, e.g. honeycombs
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00793—Uses not provided for elsewhere in C04B2111/00 as filters or diaphragms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/06—Ceramic, e.g. monoliths
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/14—Sintered material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/30—Honeycomb supports characterised by their structural details
- F01N2330/48—Honeycomb supports characterised by their structural details characterised by the number of flow passages, e.g. cell density
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
- F01N2450/28—Methods or apparatus for fitting, inserting or repairing different elements by using adhesive material, e.g. cement
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
A | B | C | D | 소성 온도 | ||
1차 입자 0.03㎛ 2차 입자 2㎛ | 1차 입자 0.03㎛ 2차 입자 20㎛ | 1차 입자 0.05㎛ 2차 입자 2㎛ | 1차 입자 0.05㎛ 2차 입자 20㎛ | |||
실 시 예 | 1 | 100% | - | - | - | 800℃ |
2 | 50% | 50% | - | 800℃ | ||
3 | 25% | 25% | 25% | 25% | 800℃ | |
4 | 40% | 10% | 40% | 10% | 800℃ | |
5 | 40% | 10% | 40% | 10% | 800℃ | |
6 | 40% | 10% | 40% | 10% | 800℃ | |
7 | 40% | 10% | 40% | 10% | 800℃ | |
비 교 예 | 1 | 100% | - | - | - | 1100℃ |
2 | 40% | 10% | 40% | 10% | 1100℃ | |
3 | - | - | - | 100% | 1000℃ |
세공 직경 분포 상태(㎛) | 벽 두께 (mm) | 라이트 오프 온도CO(℃) | 라이트 오프 온도 HC(℃) | ||||
실시예 1 | 0.006~0.01㎛ 피크 | 없음 (불연속) | 0.05~0.5㎛ 피크 | 없음 (불연속) | 0.2 | 107 | 154 |
실시예 2 | 0.006~0.01㎛ 피크 | 0.02~0.05 피크 | 0.05~0.5㎛ 피크 | 없음 (불연속) | 0.2 | 106 | 149 |
실시예 3 | 0.006~0.01㎛ 피크 | 0.02~0.05 피크 | 0.05~0.5㎛ 피크 | 0.5~1.0㎛ 피크 | 0.2 | 106 | 151 |
실시예 4 | 0.006~0.01㎛ 피크 | 있음 (연속) | 0.05~0.5㎛ 피크 | 있음 (연속) | 0.2 | 107 | 155 |
실시예 5 | 0.006~0.01㎛ 피크 | 있음 (연속) | 0.05~0.5㎛ 피크 | 있음 (연속) | 0.1 | 110 | 157 |
실시예 6 | 0.006~0.01㎛ 피크 | 있음 (연속) | 0.05~0.5㎛ 피크 | 있음 (연속) | 0.2 | 116 | 163 |
실시예 7 (참고예1) | 0.006~0.01㎛ 피크 | 있음 (연속) | 0.05~0.5㎛ 피크 | 있음 (연속) | 0.3 | 128 | 166 |
비교예 1 | 0.05~0.6㎛ 피크 | 없음 (불연속) | 0.2 | 156 | 196 | ||
비교예 2 | 0.05~0.5㎛ 피크 | 있음 (연속) | 0.2 | 154 | 191 | ||
비교예 3 | 0.02~0.05 피크 | 0.05~0.5㎛ 피크 | 없음 (불연속) | 0.2 | 152 | 186 |
Claims (18)
- 가스 유로로 이루어지는 다수의 관통공이 격벽을 사이에 두고 병렬되어 이루어지는 주상 허니컴 구조의 다공질 세라믹 부재를, 각 부재 사이에 시일재층을 개재시켜 복수개의 조합으로 이루어지는 세라믹 허니컴 구조체로서,상기 다공질 세라믹 부재는, 세라믹 입자와, 세라믹 섬유 및 위스커로부터 선택되는 적어도 1종의 무기섬유를 포함하여 이루어지고,상기 격벽은, 가로축을 세공 직경 (㎛) 으로 하고, 세로축을 log 미분 세공 용적 (㎤/g) 이라고 한 세공 직경 분포 곡선에 있어서, 세공 직경이 0.05 ∼ 150㎛ 인 세공을 제 1 세공군으로 하고, 세공 직경이 0.006 ∼ 0.01㎛ 인 세공을 제 2 세공군이라고 했을 때, 상기 제 1 세공군의 영역과, 상기 제 2 세공군의 영역에 각각, 세공 분포의 피크 (극대치) 가 1개 이상 존재하는 세공 구조를 갖는 소결체로 이루어지는 것을 특징으로 하는 세라믹 허니컴 구조체.
- 제 1 항에 있어서,제 1 세공군의 영역에 있는 세공의 세공 직경 분포의 피크는, 세공 직경이 0.05 ∼ 1.0㎛ 의 범위에 존재하는 것을 특징으로 하는 세라믹 허니컴 구조체.
- 제 1 항 또는 제 2 항에 있어서,상기 세공 직경 분포 곡선은, 세공 직경이 0.01 ∼ 1.0㎛ 의 범위가, log 미분 세공 용적의 값이 정수를 나타내어 연속하고 있는 것을 특징으로 하는 세라믹 허니컴 구조체.
- 제 1 항 또는 제 2 항에 있어서,상기 세공 직경 분포 곡선은, 제 1 세공군 및 제 2 세공군의 각 영역에 나타내는 피크 (극대치) 사이의 세공 직경이, log 미분 세공 용적의 값이 정수를 나타내어 연속하고 있는 것을 특징으로 하는 세라믹 허니컴 구조체.
- 제 1 항 또는 제 2 항에 있어서,상기 격벽은 두께가 0.05 ∼ 0.35mm 인 것을 특징으로 하는 세라믹 허니컴 구조체.
- 제 1 항 또는 제 2 항에 있어서,상기 세라믹 부재는 주성분으로서 알루미나를 함유하는 것으로 이루어지는 것을 특징으로 하는 세라믹 허니컴 구조체.
- 제 1 항 또는 제 2 항에 있어서,상기 세라믹 부재는 격벽 표면 또는 이 격벽을 구성하고 있는 각각의 세라믹 입자 표면에 촉매가 부여되어 이루어지는 것을 특징으로 하는 세라믹 허니컴 구조체.
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020067017599A KR100883946B1 (ko) | 2004-12-27 | 2005-11-14 | 세라믹 허니컴 구조체 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2004-00375815 | 2004-12-27 | ||
KR1020067017599A KR100883946B1 (ko) | 2004-12-27 | 2005-11-14 | 세라믹 허니컴 구조체 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020087007288A Division KR20080042902A (ko) | 2004-12-27 | 2005-11-14 | 세라믹 허니컴 구조체 |
Publications (2)
Publication Number | Publication Date |
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KR20070023651A KR20070023651A (ko) | 2007-02-28 |
KR100883946B1 true KR100883946B1 (ko) | 2009-02-18 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020067017599A Active KR100883946B1 (ko) | 2004-12-27 | 2005-11-14 | 세라믹 허니컴 구조체 |
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KR (1) | KR100883946B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009118816A1 (ja) | 2008-03-24 | 2009-10-01 | イビデン株式会社 | ハニカム構造体 |
GB201721306D0 (en) | 2017-12-19 | 2018-01-31 | Knauf Insulation Ltd | Mineral fiber based composites |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4508841A (en) * | 1981-01-19 | 1985-04-02 | Mitsubishi Chemical Industries, Ltd. | Process for producing porous refractory inorganic oxide products |
WO2004011385A1 (en) * | 2002-07-31 | 2004-02-05 | Corning Incorporated | Alumina-bound high strength ceramic honeycombs |
JP2004051384A (ja) * | 2002-07-16 | 2004-02-19 | Ngk Insulators Ltd | ハニカム構造体及びその製造方法 |
-
2005
- 2005-11-14 KR KR1020067017599A patent/KR100883946B1/ko active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4508841A (en) * | 1981-01-19 | 1985-04-02 | Mitsubishi Chemical Industries, Ltd. | Process for producing porous refractory inorganic oxide products |
JP2004051384A (ja) * | 2002-07-16 | 2004-02-19 | Ngk Insulators Ltd | ハニカム構造体及びその製造方法 |
WO2004011385A1 (en) * | 2002-07-31 | 2004-02-05 | Corning Incorporated | Alumina-bound high strength ceramic honeycombs |
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