KR20200026875A - 워시코트 현탁액의 비접촉 평준화 - Google Patents
워시코트 현탁액의 비접촉 평준화 Download PDFInfo
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- KR20200026875A KR20200026875A KR1020207000300A KR20207000300A KR20200026875A KR 20200026875 A KR20200026875 A KR 20200026875A KR 1020207000300 A KR1020207000300 A KR 1020207000300A KR 20207000300 A KR20207000300 A KR 20207000300A KR 20200026875 A KR20200026875 A KR 20200026875A
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- Prior art keywords
- washcoat
- pressure
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- gas
- suspension
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0215—Coating
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- B01J35/04—
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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 [3D] monoliths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1021—Platinum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1023—Palladium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/915—Catalyst supported on particulate filters
- B01D2255/9155—Wall flow filters
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- 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
- 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
- B01J35/19—Catalysts containing parts with different compositions
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
- B01J37/0246—Coatings comprising a zeolite
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Catalysts (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
도 2 : 도 2는 평활화 작업을 위해 x 방향으로 기재 위에서 가이드되는 가스/공기 노즐의 개략도이다. 이러한 플랫 노즐은 연속 슬롯 또는 다수의 개별 공기 배출 구멍을 가질 수 있다.
도 3 : 도면은 사용된 기재의 기하학적 형상에 그 크기 및 형상(원형, 타원형, 각형)이 일치하는 가스/공기 브러시를 도시한다. 가스/공기 스트림의 배출은 바닥 플레이트의 개구를 통해 발생하며, 그 크기 및 수는 결과적인 공기 스트림이 유동 한계를 극복하기 위해 워시코트 표면에 충분한 압력을 가할 수 있는 방식으로 선택된다.
Claims (12)
- 유동 관통 또는 벽 유동 유형의 기재 모놀리스를 워시코트 현탁액으로 코팅하기 위한 방법에 있어서,
- 상기 워시코트 현탁액이 제1 단계에서 직립형 기재 모놀리스의 한쪽 단부에 위로부터 도포되며,
- 가스에 의해 전달된 압력은 후속 단계에서 상기 워시코트 현탁액의 표면 상에 작용하도록 허용되며,
- 상기 워시코트 현탁액은 이어서 상기 기재 모놀리스 내로 흡입되고 및/또는 가압되는 것을 특징으로 하는 방법. - 제1항에 있어서, 연속 가스 스트림, 맥동 가스 스트림, 또는 그 혼합물로 이루어진 그룹으로부터 선택된 방법에 의해 전단력이 발생되는 것을 특징으로 하는 방법.
- 제1항 및/또는 제2항에 있어서, 가스에 의해 상기 워시코트 현탁액에 작용하는 압력은 상기 작용의 지속 기간 동안 연속적으로 또는 단계적으로 감소되는 것을 특징으로 하는 방법.
- 제1항 내지 제4항 중 한 항에 있어서, 가스 또는 음향의 결과로서 작용하는 압력은 상기 워시코트 현탁액의 유동 한계보다 큰 것을 특징으로 하는 방법.
- 제1항 내지 제4항 중 한 항에 있어서, 상기 압력은 음파 또는 압력파 발생기로부터 맥동 가스/공기 스트림에 의해 발생되는 것을 특징으로 하는 방법.
- 제5항에 있어서, 상기 압력은 약 18,000 내지 약 90,000 ㎐의 주파수로 초음파에 의해 발생되는 것을 특징으로 하는 방법.
- 제5항 및/또는 제6항에 있어서, 상기 압력은 약 0.1 내지 약 60초의 기간 동안 초음파에 의해 발생되는 것을 특징으로 하는 방법.
- 제1항 내지 제4항 중 한 항에 있어서, 상기 압력은 공기 노즐로부터의 가스/공기 스트림에 의해 발생되는 것을 특징으로 하는 방법.
- 제1항 내지 제8항 중 한 항에 있어서, 상기 워시코트 현탁액은 0.01 내지 100 Pa*s의 점도를 가지는 것을 특징으로 하는 방법.
- 제1항 내지 제9항 중 한 항에 있어서, 상기 기재 모놀리스 상의 상기 워시코트 현탁액은 0.5 내지 15 ㎝의 두께를 가지는 것을 특징으로 하는 방법.
- 유동 관통 또는 벽 유동 유형의 기재 모놀리스를 워시코트 현탁액으로 코팅하기 위한 장치로서,
- 직립 자세로 상기 기재 모놀리스를 록킹하기 위한 유닛;
- 위로부터 상기 직립형 기재 모놀리스로 일정량의 워시코트 현탁액을 도포하기 위한 유닛;
- 공기 또는 가스에 의해 상기 워시코트 현탁액의 표면으로 전달되는 압력 형태의 전단력을 발생시키기 위한 유닛을 포함하는 장치. - 제11항에 있어서, 상기 장치는 어떠한 워시코트 현탁액도 압력의 작용 동안 외부에서 상기 기재 모놀리스에 흘러내릴 수 없는 방식으로 상기 기재 모놀리스 주위에 칼라를 형성하는 유닛을 가지는 것을 특징으로 하는 장치.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017115138.9 | 2017-07-06 | ||
| DE102017115138.9A DE102017115138A1 (de) | 2017-07-06 | 2017-07-06 | Kontaktlose Nivellierung einer Washcoatsuspension |
| PCT/EP2018/068199 WO2019008082A1 (de) | 2017-07-06 | 2018-07-05 | Kontaktlose nivellierung einer washcoatsuspension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20200026875A true KR20200026875A (ko) | 2020-03-11 |
| KR102513068B1 KR102513068B1 (ko) | 2023-03-24 |
Family
ID=62952049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020207000300A Active KR102513068B1 (ko) | 2017-07-06 | 2018-07-05 | 워시코트 현탁액의 비접촉 평준화 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US11590484B2 (ko) |
| EP (1) | EP3648884A1 (ko) |
| JP (1) | JP7184823B2 (ko) |
| KR (1) | KR102513068B1 (ko) |
| CN (1) | CN111148570B (ko) |
| BR (1) | BR112020000065A2 (ko) |
| CA (1) | CA3068945A1 (ko) |
| DE (1) | DE102017115138A1 (ko) |
| WO (1) | WO2019008082A1 (ko) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019103765B4 (de) * | 2019-02-14 | 2023-01-12 | Umicore Ag & Co. Kg | Verfahren zur Herstellung von Autoabgaskatalysatoren |
| DE102020103292A1 (de) * | 2020-02-10 | 2021-08-12 | Umicore Ag & Co. Kg | Verwendung von Ultraschall zur Reinigung von Wandflussfiltersubstraten |
| DE202023100970U1 (de) | 2023-03-01 | 2023-03-16 | Umicore Ag & Co. Kg | Beschichtungsvorrichtung |
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| WO1999047260A1 (en) * | 1998-03-19 | 1999-09-23 | Johnson Matthey Public Limited Company | Monolith coating apparatus and method therefor |
| US6478874B1 (en) * | 1999-08-06 | 2002-11-12 | Engelhard Corporation | System for catalytic coating of a substrate |
| JP2005279436A (ja) * | 2004-03-29 | 2005-10-13 | Toyota Motor Corp | 排ガス浄化用触媒の製造方法 |
| US20070128354A1 (en) * | 2005-12-05 | 2007-06-07 | Cataler Corporation | Substrate coating method |
| JP2008302304A (ja) * | 2007-06-07 | 2008-12-18 | Cataler Corp | 貴金属担持方法および貴金属担持装置 |
| WO2010015573A2 (en) * | 2008-08-06 | 2010-02-11 | Basf Se | Positioning device and method with rotary indexing table for monolith-based automobile and chemical catalysts |
| EP2521618B1 (en) * | 2010-01-04 | 2013-08-28 | Johnson Matthey PLC | Method of coating a monolith substrate with catalyst component |
| US9144796B1 (en) * | 2009-04-01 | 2015-09-29 | Johnson Matthey Public Limited Company | Method of applying washcoat to monolithic substrate |
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| US3948213A (en) | 1974-10-21 | 1976-04-06 | Universal Oil Products Company | Coating-impregnating chamber for catalyst support members |
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-
2017
- 2017-07-06 DE DE102017115138.9A patent/DE102017115138A1/de not_active Withdrawn
-
2018
- 2018-07-05 KR KR1020207000300A patent/KR102513068B1/ko active Active
- 2018-07-05 CN CN201880044818.XA patent/CN111148570B/zh active Active
- 2018-07-05 EP EP18742726.5A patent/EP3648884A1/de active Pending
- 2018-07-05 CA CA3068945A patent/CA3068945A1/en active Pending
- 2018-07-05 WO PCT/EP2018/068199 patent/WO2019008082A1/de not_active Ceased
- 2018-07-05 US US16/628,308 patent/US11590484B2/en active Active
- 2018-07-05 JP JP2019571664A patent/JP7184823B2/ja active Active
- 2018-07-05 BR BR112020000065-5A patent/BR112020000065A2/pt not_active Application Discontinuation
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999047260A1 (en) * | 1998-03-19 | 1999-09-23 | Johnson Matthey Public Limited Company | Monolith coating apparatus and method therefor |
| EP1064094B1 (en) * | 1998-03-19 | 2002-09-25 | Johnson Matthey Public Limited Company | Monolith coating apparatus and method therefor |
| US6478874B1 (en) * | 1999-08-06 | 2002-11-12 | Engelhard Corporation | System for catalytic coating of a substrate |
| JP2005279436A (ja) * | 2004-03-29 | 2005-10-13 | Toyota Motor Corp | 排ガス浄化用触媒の製造方法 |
| US20070128354A1 (en) * | 2005-12-05 | 2007-06-07 | Cataler Corporation | Substrate coating method |
| JP2008302304A (ja) * | 2007-06-07 | 2008-12-18 | Cataler Corp | 貴金属担持方法および貴金属担持装置 |
| WO2010015573A2 (en) * | 2008-08-06 | 2010-02-11 | Basf Se | Positioning device and method with rotary indexing table for monolith-based automobile and chemical catalysts |
| US9144796B1 (en) * | 2009-04-01 | 2015-09-29 | Johnson Matthey Public Limited Company | Method of applying washcoat to monolithic substrate |
| EP2521618B1 (en) * | 2010-01-04 | 2013-08-28 | Johnson Matthey PLC | Method of coating a monolith substrate with catalyst component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111148570B (zh) | 2023-05-30 |
| KR102513068B1 (ko) | 2023-03-24 |
| JP2020527100A (ja) | 2020-09-03 |
| DE102017115138A1 (de) | 2019-01-10 |
| US20200215523A1 (en) | 2020-07-09 |
| JP7184823B2 (ja) | 2022-12-06 |
| EP3648884A1 (de) | 2020-05-13 |
| CA3068945A1 (en) | 2019-01-10 |
| US11590484B2 (en) | 2023-02-28 |
| WO2019008082A1 (de) | 2019-01-10 |
| CN111148570A (zh) | 2020-05-12 |
| BR112020000065A2 (pt) | 2020-07-14 |
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