Flammable gas concentration device and flammable gas concentration method

An inflammable gas concentration device includes: an adsorption tower (2) filled by an adsorbent (3) which adsorbs an inflammable gas; supply means (4) for supplying a raw gas (G) containing an inflammable gas and air to the adsorption tower (2) via a supply path (30) and discharging an exhaust gas...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SEKI, KENJI, HIRAO, KATSUHIKO, SHITO, ETSUO
Format:	Patent
Sprache:	eng
Schlagworte:	ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL CHEMISTRY FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR LIQUEFIED PETROLEUM GAS LUBRICANTS METALLURGY NATURAL GAS PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE TRANSPORTING
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Beschreibung
Zusammenfassung:	An inflammable gas concentration device includes: an adsorption tower (2) filled by an adsorbent (3) which adsorbs an inflammable gas; supply means (4) for supplying a raw gas (G) containing an inflammable gas and air to the adsorption tower (2) via a supply path (30) and discharging an exhaust gas (OG) in the raw gas (G) which has not been adsorbed to the adsorbent (3) outside the adsorption tower (2) via a discharge path (31); collection means (5) which reduces the pressure in the adsorption tower (2) lower than the atmospheric pressure so as to desorb the inflammable gas adsorbed by the adsorbent (3) and collects it via a collection path (32); and control means (6) which successively performs an inflammable gas adsorption step for supplying the raw gas (G) to the adsorption tower (2) by the supply means (4) and discharging the exhaust gas (OG) from the adsorption tower (2) and an inflammable gas desorption step for collecting the inflammable gas desorbed by the collection means (5).