薄壁不锈钢管在淡水冷却凝汽器空冷区的应用  

The Use of Thin-wall Stainless Steel Tubes in the Air-cooled Zone of a Fresh Water-cooled Steam Condenser

作　　者：许高峰 孟井明 张云飞 王世安 

机构地区：[1]秦皇岛同和热电公司,河北秦皇岛066012 [2]山西阳光发电有限责任公司,山西阳泉045200 [3]核电秦山联营有限公司维修处,浙江海盐314300 [4]哈尔滨.第七○三研究所军代表室,黑龙江哈尔滨150036

出　　处：《热能动力工程》2006年第2期205-207,共3页Journal of Engineering for Thermal Energy and Power

摘　　要：电站凝汽器空冷区采用黄铜管会产生严重氨腐蚀,采用铜镍合金管或钛管则价格昂贵。不锈钢管具有良好抗氨腐蚀性能。本文对薄壁不锈钢管的传热性能、振动特性、胀接性能及经济性进行分析对比,认为这种管材用于淡水冷凝器的空冷区性能良好,价格便宜,有良好发展前途。The use of brass tubes for the air-cooled zone of a power plant steam condenser can lead to serious corrosion by ammonia,while the application of copper-nickel alloy tubes or titanium ones is associated with expensive costs.Stainless steel tubes feature good corrosion-resistant performance against ammonia.The authors have performed a contrasting analysis regarding the heat transfer performance, vibration properties,tube expanding characteristics and cost-effectiveness of thin-wall stainless steels.On this basis it is concluded that stainless tube materials when used for the air-cooled zone of a fresh-water cooled condenser have the merits of a fair operation performance and low cost,resulting in a high potential for their wide applications.

关 键 词：薄壁不锈钢管 空冷区 氨腐蚀 淡水冷却 经济性 

分 类 号：TK264.1[动力工程及工程热物理—动力机械及工程] TK265