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超低排放用便携式烟气分析仪采样预处理设备应用综述 被引量:4
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作者 朱泽军 李红亮 +2 位作者 李峰 吉军凯 赵辉 《分析仪器》 CAS 2019年第3期8-13,共6页
烟气在进入烟气分析仪前必须要经过加热、过滤、除湿等预处理,以确保在去除烟气含水的同时,尽可能避免待测气体(例如SO2和NOx)的流失。由于SO2和NOx易溶于水,且H2O在光学法测试中对SO2和NOx光谱有吸收干扰,所以烟气预处理设备对烟气分... 烟气在进入烟气分析仪前必须要经过加热、过滤、除湿等预处理,以确保在去除烟气含水的同时,尽可能避免待测气体(例如SO2和NOx)的流失。由于SO2和NOx易溶于水,且H2O在光学法测试中对SO2和NOx光谱有吸收干扰,所以烟气预处理设备对烟气分析仪最终测试结果的影响至关重要。本文针对目前常见的烟气预处理设备,综述了市场常见的半导体冷凝器、压缩机冷凝器、冷凝器加磷酸技术、Nafion管干燥器等便携式烟气烟气预处理设备的原理、特点、不足和在实际应用过程中存在的问题。并从提高超低排放烟气监测质量入手,如何正确操作等提出了相关的应用建议。 展开更多
关键词 便携式烟气预处理设备 半导体冷凝器 压缩机冷凝器 冷凝器加磷酸技术 Nafion管干燥器
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Analysis of an Evaporator-condenser-separated Mechanical Vapor Compression System 被引量:8
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作者 Wu Hong Li Yulong Chen Jiang 《Journal of Thermal Science》 SCIE EI CAS CSCD 2013年第2期152-158,共7页
An evaporator-condenser-separated mechanical vapor compression (MVC) system was presented. The better effect of descaling and antiscaling was obtained by the new system. This study focused on the method of thermodynam... An evaporator-condenser-separated mechanical vapor compression (MVC) system was presented. The better effect of descaling and antiscaling was obtained by the new system. This study focused on the method of thermodynamic analysis, and the energy and exergy flow diagrams were established by using the first and second law of thermodynamics analysis. The results show that the energy utilization rate is very high and the specific power consumption is low. Exergy analysis indicates that the exergy efficiency is low, and the largest exergy loss occurs within the evaporator-condenser and the compressor. 展开更多
关键词 Mechanical vapor compression Sewage treatment THERMODYNAMIC EXERGY
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