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首页> 外文期刊>Journal of instrumentation: an IOP and SISSA journal >Performance enhancement of open loop gas recovery process by centrifugal separation of gases
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Performance enhancement of open loop gas recovery process by centrifugal separation of gases

机译：通过气体的离心分离提高开环气体回收工艺的性能

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The proposed INO-ICAL detector [1] is going to be instrumented with 28800 RPCs (Resistive Plate Chamber). These RPCs (2×2m~2 size) will consist of two glass electrodes separated by 2mm and will use a gas mixture of Freon R134a, isobutane and sulphur hexafluoride (in the ratio of 95.3:4.5:0.2). An Open Ended System (OES), in which the gas mixture is vented to the atmosphere after a single passage through the detector, is most commonly used for small detector setups. However, OES cannot be used with the INO-ICAL detector due to reasons of cost and pollution. It is necessary, therefore, to recirculate the gas mixture in a closed loop. In a Closed Loop gas System (CLS) [2] the gas mixture is purified and recirculated after flowing through the RPC. The impurities which get accumulated in the gas mixture due to leaks or formation of radicals are removed by suitable filters. The Open Loop System (OLS) [3] is based on the separation and recovery of major gas components after passage of the gas mixture through the RPCs. and has the advantage that it does not need filters for removal of impurities. However a CLS is found to be more efficient than OLS in the recovery of gases in the mixture. In this paper we discuss centrifugal separation [5] as a technique to extract major gas constituents and use this technique to improve the efficiency of OLS. Results from preliminary trial runs are reported.
机译：拟议中的INO-ICAL检测器[1]将配备28800 RPC（电阻板腔）。这些RPC（2×2m〜2大小）将由两个相距2mm的玻璃电极组成，并使用氟利昂R134a，异丁烷和六氟化硫的混合气体（比例为95.3：4.5：0.2）。开放式系统（OES）最常用于小型检测器设置，在该系统中，气体混合物单次通过检测器后便排放到大气中。但是，由于成本和污染原因，OES不能与INO-ICAL检测器一起使用。因此，有必要使气体混合物在闭环中再循环。在闭环气体系统（CLS）[2]中，混合气在流经RPC后经过净化和再循环。通过泄漏或自由基的形成积聚在气体混合物中的杂质通过合适的过滤器去除。开环系统（OLS）[3]基于气体混合物经过RPC后主要气体成分的分离和回收。并且具有不需要过滤器去除杂质的优点。但是，发现CLS在回收混合物中的气体方面比OLS更有效。在本文中，我们讨论离心分离[5]作为提取主要气体成分的技术，并使用该技术来提高OLS的效率。报告了初步试运行的结果。

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