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基于海上风电设计的室外盐雾浓度测试与盐雾过滤试验
缪智昕1, 袁赟1, 赵黔涛2, 连之伟2
1.上海勘测设计研究院有限公司;2.上海交通大学设计学院
摘要:
海上的高盐雾浓度会对建筑和设备产生腐蚀和损害。为了明确海上风电平台通风设计中除盐雾的相关参数取值,本文在四大海域选择了十一个典型地区进行了夏季和冬季的实地盐雾测试,并对8种等级的盐雾过滤器进行了实际除盐雾计重效率的测试。研究表明,盐雾浓度存在一定的海域差异,在夏季,南海、黄海、渤海和东海的盐雾氯离子浓度分别为0.76mg/m3、0.45mg/m3、0.25mg/m3和0.14mg/m3,在冬季,南海、黄海、东海和渤海的盐雾氯离子浓度分别为1.31mg/m3、1.16mg/m3、0.99mg/m3和0.60mg/m3;工程上常用的过滤器组合F9+M5+G4实测计重效率计算值为98.97%,不满足室内盐雾控制要求,而过滤器组合F9+M5+G4+G4实测计重效率计算值为99.68%,可以满足室内盐雾控制要求。
关键词:  海上风电平台  四大海域  盐雾  盐雾过滤器  计重效率
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Outdoor salt spray concentration testing and salt spray filtration test based on offshore wind power design
Miao zhixin1, Yuan yun1, Zhao qiaotao2, Lian zhiwei2
1.Shanghai investigation and design research institute Co., Ltd;2.School of Design, Shanghai Jiao Tong University
Abstract:
High salt spray concentrations at sea can cause corrosion and damage to buildings and equipment. In order to clarify the relevant parameter values of salt spray in the ventilation design of offshore wind power platforms, this paper selected eleven typical areas in four major sea areas for on-site salt spray testing in summer and winter, and the actual salt spray weighing efficiency of 8 levels of salt spray filters was tested. Research has shown that there are certain sea area differences in salt spray concentration. In summer, the chloride ion concentrations in salt spray in the South China Sea, Yellow Sea, Bohai Sea, and East China Sea are 0.76mg/m3, 0.45mg/m3, 0.25mg/m3, and 0.14mg/m3, respectively. In winter, the chloride ion concentrations in salt spray in the South China Sea, Yellow Sea, East China Sea, and Bohai Sea are 1.31mg/m3, 1.16mg/m3, 0.99mg/m3, and 0.60mg/m3, respectively; The commonly used filter combination F9+M5+G4 in engineering has a calculated weight efficiency of 98.97%, which does not meet the requirements of indoor salt spray control. However, the calculated weight efficiency of the filter combination F9+M5+G4+G4 is 99.68%, which can meet the requirements of indoor salt spray control.
Key words:  Offshore wind power platform  Four seas  salt spray  Salt spray filter  Weight efficiency
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