EXPERIMENTAL INVESTIGATION OF WASTE FUEL COMBUSTION IN HIGH TEMPERATURE AND LOW OXYGEN EXHAUST GAS

概要

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In practical, the stable combustion of solid waste fuels in incinerators requires very high temperature environments, which is usually achieved by recirculation of combustion exhaust gas. Experiments have been conducted to extract the fundamental combustion characteristics of solid waste fuels in flowing combustion gas generated from flat flame burner. The essential burning behavior of solid waste fuels such as ignition delay, flaming duration and surface combustion are observed by taking the direct photographs with 8-mm video camera. It is concluded that there are three combustion processes of solid waste fuels burning in high temperature environments such as gas phase ignition, luminous diffusion flame and surface combustion and its flame behavior can be classified three types depending on gas flow velocity, temperature and oxygen concentration, that is, envelope flame, wake flame and lifted flame. The boundary gas flow velocity between the stable and unstable combustion is determined by the variation of flame configuration from envelope to wake or lifted flames.
法政大学の論文