EXHAUST GAS TREATMENT SYSTEM EQUIPPED WITH CARBON DIOXIDE REMOVAL DEVICE

Provided is an exhaust gas treatment system with which it is possible to prevent the generation of adhesive matter inside a main duct or a flue at the point where exhaust gas converges after CO2 has been removed or thereafter, reduce the labor required for maintenance such as cleaning etc., and make...

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Bibliographische Detailangaben
Hauptverfasser:	ODA, NAOKI, TAKAMOTO, SHIGEHITO, KATSUBE, TOSHIO, SHIMAMURA, JUN, KURAMOTO, MASAHARU
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BLASTING CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSEGASES [GHG] CHEMISTRY COMBUSTION APPARATUS COMBUSTION PROCESSES COMPOUNDS THEREOF FLUES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING INORGANIC CHEMISTRY LIGHTING MECHANICAL ENGINEERING METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTIONRESIDUES SEPARATION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	Provided is an exhaust gas treatment system with which it is possible to prevent the generation of adhesive matter inside a main duct or a flue at the point where exhaust gas converges after CO2 has been removed or thereafter, reduce the labor required for maintenance such as cleaning etc., and make long-term operation possible. The exhaust gas treatment system comprises: a main duct (6) for emitting gas from a boiler (1); a diverging duct (40) for diverging a portion of the exhaust gas current from the main duct; a CO2 removal device (20) for using an amine absorbent to absorb and remove carbon dioxide (CO2) contained in the diverged exhaust gas; and a return duct (42) for causing the exhaust gas from which the CO2 has been removed by the CO2 removal device to converge with exhaust gas that has yet to be diverged, wherein heating means (8) for evaporation of the mist of the amine absorbent contained in the converged exhaust gas is provided at the return duct (42) that comes before the exhaust gas convergence point.