水产品解冻冷能回收利用污水换热器的研究  

Research on the Heat Exchanger for Cold Energy Recovery in the Thawing of Aquatic Products

作　　者：蔡勇[1] 沈莹杰[1] 方辉[1] 周艳 杨俊威[3] 

机构地区：[1]浙江大学舟山海洋研究中心,浙江舟山316021 [2]浙江金鹰食品机械有限公司,浙江舟山316100 [3]浙江大学化学工程与生物工程学系,杭州310000

出　　处：《机械工程师》2015年第11期10-12,共3页Mechanical Engineer

基　　金：浙江省公益技术研究工业项目(2013C31145)

摘　　要：针对水产品解冻水中冷能回收利用存在的问题,根据解冻水的特性,开发研制了一种专门用于解冻水回收利用的换热器。通过比较各种换热器结构型式,选用了人字形波纹板型换热器。进行了换热性能与流动阻力分析,建立了波纹倾角、波纹高度、波纹间距与努塞尔数、压降的关系,得出换热效果最佳时的波纹倾角、波纹高度、波纹间距组合。利用CFD软件分析,验证了设计的换热器换热效率高,满足实际工程需要。Aiming at the problems of recycling the thaw water energy,a heat exchanger is developed according to the characteristic of the thaw water. By comparing the various structure types of heat exchangers ,the corrugated plate heat exchanger is selected. At the same time, the heat transfer performance and flow resistance are analyzed in the article. The best combination of corrugation angle ,corrugation height and corrugation pitch is developed by the relationship between corrugation angle,corrugation height,corrugation pitch and nusselt number,pressure drop. The results show that the heat exchanger can be applied to recycling the thaw water energy using CFD analysis. It also has a high efficiency.

关 键 词：冷能回收 解冻水用换热器 换热特性 流动阻力 数值模拟 

分 类 号：TG122[金属学及工艺—金属学]