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生物质锅炉的经济运行是一个急需得到重视的问题,这不仅牵扯企业的经济效益,而且在能源日益短缺的将来对节约能源,实现持续协调发展更具重大意义。锅炉效率与其各项损失密切相关。锅炉的损失由排烟损失,机械不完全燃烧损失,灰渣物理损失,化学不完全燃烧损失,散热损失组成,而在这五项损失中,排烟损失是对锅炉效率影响最大的一项损失,约为5~10%。排烟温度的高低直接决定着锅炉效率的高低,排烟温度的提高,会直接导致排烟热损失的增加。本文主要阐述在生物质发电厂锅炉中排烟温度对锅炉经济性的影响、影响排烟温度的因素及如何降低排烟温度进行分析。
The economic operation of biomass boiler is a problem that urgently needs attention. This not only involves the economic benefits of enterprises, but also has a great significance for energy conservation and sustainable and coordinated development in the future when the energy is in short supply. The boiler efficiency is closely related to its losses. The loss of the boiler consists of exhaust loss of smoke, incomplete mechanical combustion loss, physical loss of ash, incomplete chemical combustion loss and heat dissipation loss, of which smoke loss is the most significant loss to boiler efficiency , About 5 ~ 10%. Exhaust temperature directly determines the level of boiler efficiency, the increase of exhaust gas temperature will directly lead to increased exhaust heat loss. This article mainly expounds the influence of exhaust gas temperature on the boiler economy, the factors that affect the exhaust gas temperature and how to reduce the exhaust gas temperature in the biomass power plant boiler.