技术中心

【英文篇名】 Heating quality of some existing plate heat-exchangers and their improvement in structure 【作者中文名】 徐选才; 【作者英文名】 By Xu Xuancal; 【作者单位】 中国建筑科学研究院空调所; 【文献出处】 暖通空调, HV 迭代计算; 供热品质分析; 结构改善; 【英文关键词】 plate heat-exchanger; iterative calculation; heating quality analysis; structure improvement; 【摘要】 针对国内厂家几种产品，在标准温度工况（一次热媒１３０℃／８０℃，二次热媒９５℃／７０℃）下，对板式换热器在实际运行状态下的热工性能参数进行了对比分析和敏感性计算，并分析了板片高宽比和面积附加系数对板式换热器供热品质的影响。 【英文摘要】 Makes a comparative analysis and sensitivity calculation on the thermal characteristics of several plate heatexchangers made in China both in the standard temperature condition (primary side: 130 ℃/80 ℃,seoondary side:95 ℃/70 ℃) and in the actual worKing condition, and further analyzes the effect of the aspect ratio and area excess factor on the heating quality.