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    • 2. 发明专利
    • Gas mixing apparatus and gas mixing method
    • 气体混合装置和气体混合方法
    • JP2006272323A
    • 2006-10-12
    • JP2006050548
    • 2006-02-27
    • Able CorpTomokazu MatsuuraOkawa Kiyoshiエイブル株式会社大川 清知和 松浦
    • FUJIWARA KUNIHIKOMATSUURA TOMOKAZU
    • B01F15/04B01F3/02C12M3/00
    • C12M29/00C12M41/00C12M41/40
    • PROBLEM TO BE SOLVED: To provide a gas mixing apparatus and a gas mixing method by which simplification and miniaturization of structure can be attained, operation convenience is realized and rise of equipment cost can be suppressed when used in a field relevant to cultivation or the like where mixed gas consumption is small and change of consumption is also small. SOLUTION: The gas mixing apparatus is provided with a gas delivery path 2a for delivering one raw material gas Ga among two kinds of raw material gases and a gas delivery path 2b for delivering another raw material gas Gb, pressure regulating valves 3 respectively provided at the gas delivery paths 2a, 2b, a three-way valve 4 one inflow port 4a of which is connected with one gas delivery path 2a and another inflow port 4b of which is connected with another gas delivery path 2b, a flow rate control valve 5 which is connected with an outflow port 4c of the three-way valve 4, a small-sized gas mixing vessel 7 which is connected with the flow rate control valve 5 via a gas flowmeter 6 and a controlling section 8 which alternately opens and closes two inflow ports 4a, 4b of the three-way valve 4 so that concentration of the mixed gas produced in the gas mixing vessel 7 becomes a set value. COPYRIGHT: (C)2007,JPO&INPIT
    • 解决问题:为了提供一种可以实现结构简化和小型化的气体混合装置和气体混合方法,当在与栽培相关的领域中使用时,可以实现操作便利性并且可以抑制设备成本的上升 等等,其中混合气体消耗量小并且消耗的变化也很小。 解决方案:气体混合装置设置有用于输送两种原料气体中的一种原料气体Ga的气体输送路径2a和用于分别输送另一原料气体Gb,压力调节阀3的气体输送路径2b 设置在气体输送路径2a,2b处的三通阀4,其一个流入口4a与一个气体输送路径2a连接,另一个流入口4b与另一个气体输送路径2b连接,三通阀4,流量控制 与三通阀4的流出口4c连接的阀5,小型气体混合容器7,其经由气体流量计6和控制部8交替打开而与流量控制阀5连接, 关闭三通阀4的两个流入口4a,4b,使得在气体混合容器7中产生的混合气体的浓度变为设定值。 版权所有(C)2007,JPO&INPIT