Influence of Biomass Co-combustion on Heating Surfaces Thermal Efficiency

查看全文 作　　者：GRADZIEL [1]Slawomir;WITKOWSKI [2]Karol

机构地区：[1]Institute of Thermal Power Engineering, Cracow University of Technology,31-864 Kraków, Poland;[2]European Institute for Energy Research 76131 Karlsruhe, Germany

出　　处：《Journal of Thermal Science》索引2018年第27卷第5期,共6页

摘　　要：Pulverized coal-fired(PCF) boilers were first and foremost intended to fire pulverized hard or brown coal. However, biomass co-firing has become a fairly common practice in the Polish power generation system and many existing boilers have been modernized to serve this purpose. This paper presents calculations of the coefficient of thermal efficiency of the boiler heating surfaces and of the time needed for complete reconstruction of deposits on the second-stage steam reheater(RHII) of an OP-380 boiler with the output of 380×10~3 kg/h. The boiler was equipped with a purpose-designed installation of direct feeding of biomass. The main co-fired fuels were wood and sunflower husk pellets. Intense formation of deposits on the steam reheater tubes and problems related to a reduction in the diameters of the tubes were identified during the power unit operation. 关键词：生物资源热效率燃烧合作加热发电系统锅炉现代化

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Influence of Biomass Co-combustion on Heating Surfaces Thermal Efficiency

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