EXHAUST GAS PURIFICATION DEVICE

EXHAUST GAS PURIFICATION DEVICE

An exhaust gas purifier (100) includes a casing (10), SCR catalysts (first SCR catalyst (25) and second SCR catalyst (26)), a first backflow prevention plate (31), and a second backflow prevention plate (32). In the casing (10), at least a part of the catalyst passage (52) and at least a part of the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KOBAYASHI, Ryota, HIRAI, Kazuki, INOUE, Tsuyoshi, ONISHI, Kenya, AKIMOTO, Seita, YOKOYAMA, Tetsuya, HAMAOKA, Shunji, FUKUI, Yoshinori
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BLASTING
ENGINE PLANTS IN GENERAL
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
STEAM ENGINES
TRANSPORTING
WEAPONS
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Beschreibung
Zusammenfassung:An exhaust gas purifier (100) includes a casing (10), SCR catalysts (first SCR catalyst (25) and second SCR catalyst (26)), a first backflow prevention plate (31), and a second backflow prevention plate (32). In the casing (10), at least a part of the catalyst passage (52) and at least a part of the bypass passage (53) are formed. The SCR catalysts are disposed in the catalyst passage (52) and selectively reduce NOx included in an exhaust gas flowing in the catalyst passage (52). The first backflow prevention plate (31) prevents or reduces a backflow of an exhaust gas from a second exhaust passage (54) to the catalyst passage (52).