Study on Thermal Efficiency of Gas-fired Vacuum Hot Water Boiler

摘要：

Gas-fired vacuum hot water boiler with the advantages of high thermal efficiency,energysaving and environmental protection,thus has the widespread market prospect.In this paper,Thermal efficiency of gas-fired vacuum hot water boiler with an exhaust heat recovery device is researched by thermal efficiency test principle and experimental mensuration.The methods of direct balance and inverse balance are applied to calculating the thermal efficiency of vacuum hot water boiler.The thermal efficiency of boiler with direct balance method is 95.85%,while inverse balance method is 94.70%,The difference of two in 5% meets requirement.The research results show that the thermal efficiency of gas-fired vacuum hot water boiler with an exhaust heat recovery device is very high and can achieve 95%.greatly improving the utilization of the fuel.

关键词： Vacuum hot water boiler Exhaust heat recovery Balance method Inverse balance method Thermal efficiency

作者: Zhihong Zhang Lishan Ma Guichun Yang Yuanting Yu

作者单位: Department of Urban Construction,Hebei Institute of Architecture and Civil Engineering,Zhangjiakou,China

会议类型: 国际会议

会议名称: The First International Conference on Building Energy and Environment(第一届建筑能源与环境国际会议)

会议地点: 大连

会议语种:英文

页码: 1385-1388

在线出版日期: 2008-07-01（万方平台首次上网日期，不代表论文的发表时间）