Electric dust removal and demisting method

The invention discloses an electric dust removal and demisting method comprising the following steps that (1) flue gas generated by combustion of a coal-fired boiler is introduced into hot water vapor, so that the smoke dust, the mist and the water vapor are combined to generate a particle structure...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	QIU GUANPING, XIE XIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING COMBUSTION APPARATUS COMBUSTION PROCESSES FLUES HEATING LIGHTING MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROMSOLID MATERIALS OR FLUIDS MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTIONRESIDUES SEPARATION SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The invention discloses an electric dust removal and demisting method comprising the following steps that (1) flue gas generated by combustion of a coal-fired boiler is introduced into hot water vapor, so that the smoke dust, the mist and the water vapor are combined to generate a particle structure with a large size, and meanwhile sulfur dioxide contained in the flue gas is removed; (2) the fluegas is introduced into a pulse electric field, acid radical ions in the flue gas and the charged water particle structure are absorbed through the pulse electric field, and the charged particle structure in the flue gas is removed; (3) the flue gas is introduced into a high-frequency electric field, the particle structures which carry relatively small electric quantity and are not thorough in cleaning are cleaned and removed; and (4) the flue gas is introduced into an adsorption layer attached with activated carbon, the smoke dust and the mist that are carried in the smoke and do not contain the electric particles are