炉灶一体式生物质气化炉灶头的结构设计及燃烧热性能测试

Design of Burner Combined with Gasifier for Biomass Stover and Test of Combustion Thermal Performance

针对炉灶一体式生物质气化炉燃气压力小、低位热值偏低的特点,设计了与气化反应器配套使用的灶头装置,并对该灶头进行了燃烧热性能测试。试验结果表明:该灶头可保证生物质燃气稳定燃烧,二次风流量为0.0128m3/min时,热效率高达36.58%,火力强度高达2.85kW,且无回火和黄烟现象产生。

Aiming to the characteristics of low gas pressure and low lower heating value of biomass stover combined gasifier and burner, a burner was designed and the combustion thermal performance experiment was performed. The testing resuhs of combustion thermal perfor- mance of burner showed that the burner could keep the biomass gas burn steady. When the optimal flow of secondary air for burner was 0.0128 m3·min^-1, the heating efficiency and the thermal output of burner could reach 36.58% and 2.85 kW, respectively. Also, there were no fire returning to biomass gasifier and no yellow flames in the burning process.