| 摘要 |
PURPOSE: Provided is a multi-functional gas purification apparatus being capable of selectively controlling anoxic condition and/or moisture free condition of glove box based on user's need. CONSTITUTION: The apparatus comprises an oxygen removal tower (7) having a heater (10) and oxygen removal catalyst therein, a moisture removal tower (8) having a heater (11) and moisture removal catalyst therein, a first pipe line for connecting inlets of the towers (8,9), a gas injection hole (6) formed in the middle of the first pipe line, a second pipe line for connecting outlets of the towers (8,9), a gas exhausting hole (9) formed in the middle of the second pipe line, a third pipe line for connecting the outlet of the oxygen removal tower (8) to the inlet of the moisture removal tower (9), and a plurality of valves (1,2,3,4,5) for controlling gas flow, wherein the valves (1,2) installed near the inlets of the towers (8,9) on the first pipe line, respectively, the valves (3) is installed in the middle of the third pipe line, and the valves (4,5) are installed on the second pipe line near the outlets of the towers, respectively.
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