定变风量阀在实验室通风空调系统的应用探讨

The Discussion for the Application of Both Constant and Variable Air Volume Valves on the Laboratory Ventilation and Air Conditioning System

描述了定、变风量阀的工作原理和应用特点,基于某实验室的工程案例,根据实验室的不同使用功能要求,采用定、变风量阀实时调节实验室的送风量和排风量,且通过实验室房间的风量差独立控制室内静压。在保证实验室安全运行的情况下,定、变风量阀的合理应用可降低空调通风系统的能耗,从而可减少系统的运行费用。研究结果为优化实验室通风空调系统的设计提供理论依据和技术指导。

The paper describes the working principle and the application characteristics for both constant and variable air volume valves.Based on the project cases of a laboratory,and then the different functional requirements of the laboratory are taken into consideration.Accordingly,the constant and variable air volume valves are employed to adjust the air supply and exhaust volumes of the laboratory in real time,and the indoor static pressure is controlled independently through the differential air volume in the laboratory room.In the case of ensuring the safe operation of laboratory,the reasonable application of both constant and variable air volume valves can reduce the energy consumption of ventilation and air conditioning system,and therefore the operating cost of the system can be reduced.The research results of the paper provide theoretical basis and technical guidance for optimizing the design of ventilation and air conditioning system of laboratory.