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    • 4. 发明公开
    • 질소가스정제장치 및 그 정제방법
    • 用于精炼氮气的装置及其方法
    • KR1020050030327A
    • 2005-03-30
    • KR1020030066549
    • 2003-09-25
    • 대성산업가스 주식회사
    • 문흥만조정식이상훈
    • C01B21/04
    • C01B21/0494C01B2210/0004C01B2210/0007C01B2210/0018C01B2210/0042C01B2210/0045C01B2210/005C01B2210/0053C01B2210/0062
    • To provide an apparatus for refining nitrogen gas, which is able to increase the operation efficiency, require small manufacturing and operation cost, and purify raw gas to have high purity, and a method therefor. A pair of purification towers (10,20) is connected with an inlet pipe (51) and an outlet pipe (52) in parallel and comprises a first purification layer (11,21) made of activated alumina materials, a second catalytic layer (12,22) made of nickel catalytic materials, and a third purification layer (13,23) made of zeolite. A regeneration part comprises a regeneration pipe (53) that is branched from one side of the outlet pipe, a conversion valve for regeneration (31) that is adjacently installed at a branched portion of the regeneration pipe, a heater (32) that is installed at the downstream side of the conversion valve for regeneration, and a regenerated gas discharge pipe that is communicated with an inlet side of the purification tower. A plurality of flux and pressure control valves (51a,51b,52a,52b) is selectively installed on the inlet pipe and the outlet pipe.
    • 为了提供能够提高运行效率的氮气精制装置,需要较小的制造成本和运行成本,并且净化原料气体以获得高纯度的方法及其方法。 一对净化塔(10,20)与入口管(51)和出口管(52)并联连接,包括由活性氧化铝材料制成的第一净化层(11,21),第二催化层( 12,22)和由沸石制成的第三净化层(13,23)。 再生部包括从出口管的一侧分支的再生管(53),相邻地设置在再生管的分支部的再生用转换阀(31),安装有加热器(32) 在再生用转换阀的下游侧,与净化塔的入口侧连通的再生气体排出管。 多个通量和压力控制阀(51a,51b,52a,52b)选择性地安装在入口管和出口管上。