技术中心

基于热网调研的供热管网元件故障率统计与频谱分析【英文篇名】 Failure rate statistics and spectrum analysis of heating network components based on an investigation 【作者中文名】 张华杉; 王晓霞; 邹平华; 吴星; 王勇; 王魁吉; 那海涛; 【作者英文名】 By Zhang Huashan; Wang Xiaoxia; Zou Pinghua; Wu Xing; Wang Yong; Wang Kuiji and Na Haitao Central Research Institute of Building MCC; Beijing; China; 【作者单位】 中冶集团建筑研究总院; 哈尔滨工业大学; 北京热力集团输配分公司; 沈阳惠天热电股份有限公司; 牡丹江热电总公司; 哈尔滨热力公司; 【文献出处】 暖通空调, Hv 调研; 元件; 故障率; 频谱; 【英文关键词】 heating network; investigation; component; failure rate; spectrum; 【摘要】 通过对北京、沈阳、哈尔滨及牡丹江的热网运行和故障情况的调查统计 ,给出了这些城市热网的管道、阀门及波纹管补偿器的分管径故障率数据。对北京和沈阳热网的故障发生规律进行了管径频谱、年频谱及月频谱分析 ,发现中等管径 (DN2 5 0～DN40 0 )故障率最高 ,北京热网故障率随运行年份增加的增长较沈阳慢。北京和沈阳热网元件故障率可作为我国热网可靠性研究的参考数据。 【英文摘要】 Based on the investigation and statistics of operation and failure situations of heating networks in Beijing, Shenyang, Harbin and Mudanjiang, provides diameter-based failure rate data of pipelines, valves and corrugated expansion joints of these cities. Analyses failure occurrence regularity of heating networks in Beijing and Shenyang through pipe-diameter spectrum, yearly spectrum and monthly spectrum, and finds that the failure rate is the highest for the heating networks of moderate pipe diameter(DN250～...