Patent US4322386A successfully refreshed from Google Patents.
US4322386A
Expired / Lapsed
US
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Catalytic apparatus
Assignee: Mitsubishi Power Ltd
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Filing: 1979-09-18
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Granted: 1982-03-30
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Expires: 1999-09-18
Abstract
Abstract A catalytic apparatus characterized in that a plurality of catalyst elements are arranged to form a catalyst block and thus formed catalyst blocks are placed in the passage of exhaust gas. This apparatus permits to form a catalyst bed easily in the exhaust gas duct and ensures a good quality of the formed catalyst bed.
Inventors
- 👤 Hiroshi Masutomi
- 👤 Minoru Izutsu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:57
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; B01D53/74; B01D53/86; B01D53/8621; B01D53/8625; B01D53/8631; B01J; B01J15/00; B01J15/005; B01J19/00; B01J19/0053; B01J19/006; B01J19/0073; F; F23; F23J; F23J15/00; F23J15/02; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00796; B01J2208/00805; B01J2208/00814; B01J2219/00; B01J2219/00761; B01J2219/00763; B01J2219/00765; B01J2219/0077
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
173 words
A catalytic apparatus placed in a catalytic bed in passage for exhaust gas comprising: a plurality of catalyst elements arranged to form a catalyst block, said catalyst block being an integrated catalyst unit comprising a plurality of catalyst elements, each comprising a plurality of parallel, spaced apart catalyst plates arranged in a parallelepiped, housed in a box-shaped framework, a gap between the side of adjoining integrated catalyst units being sealed by a seal plate provided at one side of the bottom of the integrated catalyst unit; a plate provided on each of four sides of said block for reinforcing said block; a lattice provided on the discharge side of said block; and a catalyst block transporting means for transporting said catalyst block into and out of said catalyst bed, said catalyst block transporting means comprising: a car; a vertically moving table provided on said car; a rail extending out of said catalyst bed and for guiding said car; and a beam provided in said catalyst bed on which a catalyst block is placed.
Claim 2
Dependent Claim
173 words
A catalytic apparatus placed in a catalytic bed in passage for exhaust gas comprising: a plurality of catalyst elements arranged to form a catalyst block, said catalyst block being an integrated catalyst unit comprising a plurality of catalyst elements, each comprising a plurality of parallel, spaced apart catalyst plates arranged in a parallelepiped, housed in a box-shaped framework, a gap between the side of adjoining integrated catalyst units being sealed by a seal plate provided at one side of the bottom of the integrated catalyst unit; a plate provided on each of four sides of said block for reinforcing said block; a lattice provided on the discharge side of said block; and a catalyst block transporting means for transporting said catalyst block into and out of said catalyst bed, said catalyst block transporting means comprising: a car; a vertically moving table provided on said car; a rail extending out of said catalyst bed and for guiding said car; and a beam provided in said catalyst bed on which a catalyst block is placed.
Claim 3
Dependent Claim
35 words
A catalytic apparatus according to claim 1 in which the gap between the side of the integrated catalyst unit and the reactor wall is sealed by a wall seal plate extending from the reactor wall.
Claim 4
Dependent Claim
193 words
A catalytic apparatus placed in a catalyst bed in a passage for exhaust gas comprising: a plurality of catalyst elements arranged to form a catalyst block, said catalyst block being an integrated catalyst unit comprising a plurality of catalyst elements, each comprising a plurality of parallel, spaced apart catalysts plates arranged in a parallelepiped, housed in a box-shaped framework, a space formed between a reactor wall and a pillar member of apparatus provided at a side of the integrated catalyst unit, adjacent thereto is a bridge seal plate that bridges a distance between a top end side of the integrated catalyst unit and the reactor wall; a plate provided on each of four sides of said block for reinforcing said block; a lattice provided on the discharge side of said block; and a catalyst block transporting means for transporting said catalyst block into and out of said catalyst bed, said catalyst block transporting means comprising: a car; a vertically moving table provided on said car; a rail extending out of said catalyst bed and for guiding said car; and a beam provided in said catalyst bed on which said catalyst block is placed.
Claim 5
Dependent Claim
193 words
A catalytic apparatus placed in a catalyst bed in a passage for exhaust gas comprising: a plurality of catalyst elements arranged to form a catalyst block, said catalyst block being an integrated catalyst unit comprising a plurality of catalyst elements, each comprising a plurality of parallel, spaced apart catalysts plates arranged in a parallelepiped, housed in a box-shaped framework, a space formed between a reactor wall and a pillar member of apparatus provided at a side of the integrated catalyst unit, adjacent thereto is a bridge seal plate that bridges a distance between a top end side of the integrated catalyst unit and the reactor wall; a plate provided on each of four sides of said block for reinforcing said block; a lattice provided on the discharge side of said block; and a catalyst block transporting means for transporting said catalyst block into and out of said catalyst bed, said catalyst block transporting means comprising: a car; a vertically moving table provided on said car; a rail extending out of said catalyst bed and for guiding said car; and a beam provided in said catalyst bed on which said catalyst block is placed.
Claim 6
Dependent Claim
23 words
A catalytic apparatus according to claim 1 in which a dust prevention member is provided on a top of a beam of reactor.
Claim 7
Dependent Claim
123 words
A catalytic apparatus according to claim 1 in which a gap between the sides of adjoining integrated catalyst units, a gap between a side of integrated catalyst unit and a reactor wall and a space formed between the reactor wall and a pillar member of the apparatus provided at a side of the integrated catalyst unit adjacent thereto are sealed respectively by a seal plate provided at one side of a bottom of the integrated catalyst unit a wall seal plate extending from the reactor wall and a bridge seal plate that bridges a distance between the top end side of the integrated catalyst unit and the reactor wall, a dust prevention member is provided on a top of the beam of reactor.
Claim 8
Dependent Claim
25 words
A catalytic apparatus according to claim 5 in which said dust prevention member is a longitudinal member having a cross-section in the form of angle.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-03-29 | 1985-09-28 | 1986-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-03-29 | 1989-09-28 | 1990-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-03-29 | 1993-09-28 | 1994-03-30 | $7700.00 | Window Closed / Lapsed |