不同干燥剂转轮的除湿性能.pdfVIP

学兔兔 化 工 进 展 2015年第34卷第7期 CHEMICAL INDUSTRYAND ENGINEERING PROGRESS ·l841· 不同干燥剂转轮的除湿性能 代咪咪，邹同华，严雷，贾贾 (天津商业大学天津市制冷技术重点实验室，天津300134) 摘要：以除湿量和除湿性能系数作为评价指标，对 3个不同干燥剂转轮的除湿性能进行了实验研究。对比分析 了处理空气入口温度和相对湿度、处理风速、再生风速、转轮转速以及再生温度对各个转轮的影响，得到了转 轮的除湿量和除湿性能系数的变化趋势。结果表明：在处理侧温度较高的情况下，聚苯硫醚(PPs)／PPM各半转轮 相比PPS硅胶转轮和PPM分子筛转轮，除湿性能是最好的；PPS硅胶转轮更适用于高湿度_Y-况环境；而处理风 速的增大有利于提高PPM分子筛转轮的性能；再生温度从60~C提高到80~C，3个转轮的除湿量和除湿性能系数 增大 1倍左右。 关键词：转轮除湿；硅胶；分子筛 中图分类号：TQ 028 文献标志码：A 文章编号：1000—6613(2015)07—1841—05 DoI：10．16085~．issn．1000—6613．20l5．07．005 Experimental investigation on the performances of different desiccant wheels DAIMimi，ZOU Tonghua，YANLei，JIA Gu (Tianjin University ofCommerce，Tianjin Key Laboratory ofRefrigeration Technology，Tianjin 300134，China) Abstract：Dehumidification capacity and dehumidification coemcient of performance are employed to evaluate the performances of desiccant wheels in this paper by experimental comparison of distribution of operating parameters，such as process air inlet temperature and relative humidity，process air speed， regeneration air speed，and regeneration air inlet temperature．The results showed that at high inlet temperature of process air，dehumidification performance of PPS／PPM 50％ whee1 was the best compared with PPS silica gel whee1 and PPM molecular sieve wheel：PPS silica gel wheel was more suitable for environmental conditions of relatively high humidity：the increase of process air flow rate was helpful to improve the performance of PPM molecular sieve wheel；when regeneration temperature increased from 60℃ t0