PRE-DUST-REMOVING METHOD OF DRY FLUIDIZED BED TYPE ADSORPTION TOWER

PURPOSE:To reduce remarkably the dust concn. contained in an exhaust gas at an outlet of a fluidized bed type adsorption tower by gas-cleaning previously granulr adsorbents which are flowed into the adsorption tower in the inside of a supplying pipe of the adsorbents in the adsorption tower. CONSTIT...

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Bibliographische Detailangaben
Hauptverfasser:	ITOU YOSHIROU, FURUYAMA KUNINORI
Format:	Patent
Sprache:	eng
Schlagworte:	PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	PURPOSE:To reduce remarkably the dust concn. contained in an exhaust gas at an outlet of a fluidized bed type adsorption tower by gas-cleaning previously granulr adsorbents which are flowed into the adsorption tower in the inside of a supplying pipe of the adsorbents in the adsorption tower. CONSTITUTION:The gas in the inside of an adsorption tower 2 which is sucked with a fan 16 is risen while allowing to contact with carbonaceous granular adsorbents 3 and is entered a dust collector 15 in accompanying with fine power, and the dust is removed. The cleaned gas is elevated in pressure by said fan and is mixed with an exhaust gas 1 from a boiler or the like at an inlet part of the adsorption tower. Herein, the flow velocity of gas which is risen in the inside of the dust removing pipe must be controlled to the degree so that the falling adsorbent granules are not fluidized. The harmful components contained in the exhaust gas 1 are adsorbed in the adsorption tower.