摘要
近年来现代化实验室的通风空调技术高速发展,在不少方面打破了旧规范条文规定、传统习惯或不成文俗成约定的限制和约束。总结了实验室通风工程设计的基本原则,从定风量排风柜的性能、排风柜并联运行系统以及全室通风系统等方面分析了传统实验室通风系统存在的问题。重点介绍了现代化实验室中变风量排风柜的应用、压力无关型文丘里变风量阀的构造及工作原理、大型变风量排风系统的典型模式及自动控制原理。就此类工程设计在审查中常见的问题作了评述。
Rapid development in ventilation and air-conditioning techniques in modern laboratories in recent years breaks through some limitations and restraints of past regulations, tradition usual practices orunwritten agreements. Summaries the basic design rules of laboratory ventilation systems and analyses the existing problems in the conventional ventilation system from the CAV fume hood performance, the fume hood parallel operation system, and the whole room ventilation system. Highlights the application of VAV fume hoods, the structure and working principle of the Venturi pressure independent VAV valves, the typical pattern of large VAV ventilation systems and automatic control theory. Reviews the common problems encountered in the design examination.
出处
《暖通空调》
北大核心
2013年第5期1-9,共9页
Heating Ventilating & Air Conditioning
关键词
实验室
职业卫生
变风量通风
自动控制
排风柜
laboratory, occupational sanitation, variable air volume（VAV） ventilation, automaticcontrol, fume hood
