| 摘要 |
Provided is a method for gasifying solid organic raw material that uses a relatively inexpensive gasification device to gasify a solid organic raw material at a low running cost. A solid organic raw material that has been dried and crushed is inserted from the upper end of a cylindrical reaction furnace (10) that is provided with a first circular cavity (11) and a second circular cavity (12) that are formed by expanding the inner diameter of an intermediate area, steam plasma that is generated by an electric arc plasma jet (30) within the first circular cavity (11) is injected, an oxidizing agent such as air that has been heated to 200-600 °C is injected into the second circular cavity (12), and the interior of the lower end section of the reaction furnace (10) is subjected to suction via an exhaust gas passage (21). Part of the organic component of the solid organic raw material within the first circular cavity (11) is gasified by the introduction of steam plasma, introduced into the second circular cavity (12), and combusted by reaction with the oxidizing agent. The synergy of the heat generated during combustion and the heating caused by the plasma cause the remaining organic component within the raw material to gasify. As a result, efficient gasification is possible. |
