MARITIME EXHAUST GAS DENITRATION DEVICE

PROBLEM TO BE SOLVED: To provide a maritime exhaust gas denitration device capable of reducing running cost, by restraining fuel consumption in a heating means.SOLUTION: This maritime exhaust gas denitration device includes a reducing agent storage tank 11 for storing a reducing agent, a reducing ag...

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Hauptverfasser:	NONAKA TAKESHI, NOJIMA RYOICHI, MISAWA KEISUKE, SEIJI MITSURU, NOJI KATSUMI, HIRAOKA NAOHIRO, NONAKA SHINJI, KITAMURA MASAICHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a maritime exhaust gas denitration device capable of reducing running cost, by restraining fuel consumption in a heating means.SOLUTION: This maritime exhaust gas denitration device includes a reducing agent storage tank 11 for storing a reducing agent, a reducing agent injection nozzle 13 for jetting the reducing agent stored in the reducing agent storage tank 11 into exhaust gas, a denitration reactor 14 having a catalyst for reducing nitrogen oxides included in the exhaust gas, a heating means 15 arranged on the upstream side of the denitration reactor 14 and raising the temperature of the exhaust gas supplied to the denitration reactor 14, and a control device 16 having the function of operating the heating means 15 when performance of the denitration reactor 14 becomes less than a predetermined level to raise the temperature of the exhaust gas supplied to the denitration reactor 14, and afterwards stopping the heating means 15 and stopping a temperature rise in the exhaust gas supplied to the denitration reactor 14, when the performance of the denitration reactor 14 exceeds the predetermined level.