基于防火需求的冷却塔集水盘电加热电气控制设计  

Electrical Control Design for Electric Heating of Water Collecting Tray in Cooling Tower Based on Fire Protection Requirements

作　　者：王雷[1] 虞利强 杨琦[1] 郭长发 沈冬冬[1] 金大算[1] WANG Lei;YU Liqiang;YANG Qi;GUO Changfa;SHEN Dongdong;JIN Dasuan(East China Architectural Design&Research Institute Co.,Ltd.,Shanghai 200011,China;Shanghai Hongkou District Fire Rescue Detachment,Shanghai 200082,China)

机构地区：[1]华东建筑设计研究院有限公司,上海市200011 [2]上海市虹口区消防救援支队,上海市200082

出　　处：《建筑电气》2023年第4期33-37,共5页Building Electricity

基　　金：上海市2021年度“科技创新行动计划”社会发展科技攻关项目,项目名称:轨道交通场站立体化开发关键技术研究与示范,项目编号:21DZ1203400。

摘　　要：针对建筑用冷却塔集水盘电加热装置引起的火灾,分析其电气控制设计存在的问题和冷却塔对电加热装置的防火需求。结合防火需求,设计冷却塔集水盘中电加热器的供电主回路和控制原理,并细化温控器的控制原理,为冷却塔集水盘电加热装置的防火从本质上提出解决技术措施。In view of the fire caused by the electric heating device of water collection tray in building cooling tower,the problems existing in the electrical control design and the fire prevention requirements of the electric heating device in cooling tower are analyzed.Based on the fire prevention requirements,the main power supply circuit and control principle of the electric heater of the water collecting tray in cooling tower are designed,and the control principle of the thermostat is refined,and the technical measures are put forward in essence for the fire prevention of the electric heating device of the water collecting tray in cooling tower.

关 键 词：电气控制 配电设计 冷却塔 防火 集水盘 电加热 温控器 控制原理 

分 类 号：TU831[建筑科学—供热、供燃气、通风及空调工程]