CA2313586A1 - Canning structure and catalyst carrying method thereof - Google Patents

Canning structure and catalyst carrying method thereof Download PDF

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Publication number
CA2313586A1
CA2313586A1 CA002313586A CA2313586A CA2313586A1 CA 2313586 A1 CA2313586 A1 CA 2313586A1 CA 002313586 A CA002313586 A CA 002313586A CA 2313586 A CA2313586 A CA 2313586A CA 2313586 A1 CA2313586 A1 CA 2313586A1
Authority
CA
Canada
Prior art keywords
honeycomb structure
catalyst
ceramic honeycomb
holding material
canning
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.)
Granted
Application number
CA002313586A
Other languages
French (fr)
Other versions
CA2313586C (en
Inventor
Toshio Yamada
Mikio Tanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NGK Insulators Ltd
Original Assignee
NGK Insulators Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NGK Insulators Ltd filed Critical NGK Insulators Ltd
Publication of CA2313586A1 publication Critical patent/CA2313586A1/en
Application granted granted Critical
Publication of CA2313586C publication Critical patent/CA2313586C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
    • F01N3/2853—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing
    • 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
    • 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
    • F01N2450/02—Fitting monolithic blocks into the housing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)

Abstract

A canning structure comprises a ceramic honeycomb structure; said honeycomb structure having been not loaded with a catalyst, a metal case and a holding material, and said ceramic honeycomb structure being canned in said metal case and being held by said holding material thereto. An impermeable film is provided between the ceramic honeycomb structure and the holding material . The canning structure has an impermeable film provided between the ceramic honeycomb structure and the holding material, and then a catalyst slurry is poured in only on the ceramic honeycomb structure side of the impermeable film, thereby preventing the holding material from carrying the catalyst , such that only the ceramic honeycomb structure carries the catalyst.
Thus, the holding material does not carry expensive catalyst at the time of carrying catalyst, and accordingly chipping and cracking of the ceramic honeycomb structure can be prevented at the time of transporting, the catalyst carrying process, the canning process, and handling in each of the processes.
CA002313586A 1999-07-08 2000-07-05 Canning structure and catalyst carrying method thereof Expired - Fee Related CA2313586C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11-194125 1999-07-08
JP19412599A JP4076677B2 (en) 1999-07-08 1999-07-08 CANNING STRUCTURE AND ITS CATALYST SUPPORT METHOD

Publications (2)

Publication Number Publication Date
CA2313586A1 true CA2313586A1 (en) 2001-01-08
CA2313586C CA2313586C (en) 2005-02-15

Family

ID=16319335

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002313586A Expired - Fee Related CA2313586C (en) 1999-07-08 2000-07-05 Canning structure and catalyst carrying method thereof

Country Status (4)

Country Link
EP (1) EP1067278B1 (en)
JP (1) JP4076677B2 (en)
CA (1) CA2313586C (en)
DE (1) DE60014782T2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009037271A1 (en) * 2009-08-12 2011-02-17 Volkswagen Ag catalyst device
CN107355286A (en) * 2017-08-29 2017-11-17 浙江银轮机械股份有限公司 The encapsulating structure of engine aftertreatment system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3959865A (en) * 1972-12-08 1976-06-01 Minnesota Mining And Manufacturing Company Method of containing a resiliently supported rigid ceramic catalyst support
US4142864A (en) * 1977-05-31 1979-03-06 Engelhard Minerals & Chemicals Corporation Catalytic apparatus
US4340505A (en) * 1981-04-28 1982-07-20 Johnson Matthey, Inc. Reducing precious metal use in catalyst substrates
DE3827863A1 (en) * 1988-08-17 1990-02-22 Leistritz Ag Catalytic exhaust gas purification apparatus
US5866079A (en) * 1993-09-03 1999-02-02 Ngk Insulators, Ltd. Ceramic honeycomb catalytic converter

Also Published As

Publication number Publication date
JP4076677B2 (en) 2008-04-16
CA2313586C (en) 2005-02-15
EP1067278A2 (en) 2001-01-10
EP1067278A3 (en) 2002-08-14
DE60014782D1 (en) 2004-11-18
EP1067278B1 (en) 2004-10-13
DE60014782T2 (en) 2006-02-09
JP2001017865A (en) 2001-01-23

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20160705