Fluidized bed reactor for deoxidizing oxygen-containing coal bed methane

The utility model relates to a fluidized bed reactor for deoxidizing oxygen-containing coal bed methane. The fluidized bed reactor consists of a furnace body (1), a cyclone separator (4), a catalyst particle circulation vertical pipe (6), a solid particle return valve (8) and a catalyst particle return pipe (10), wherein the top and bottom of the furnace body (1) are tapered; the top of the furnace body (1) is connected with the cyclone separator (4); the middle part of the furnace body (1) is internally provided with a heat exchanger (2) which is connected with a steam pocket (3); the lower part of the furnace body (1) is connected with the catalyst particle return pipe (10); the conical surface at the bottom of the furnace body (1) is provided with an oxygen-containing coal bed methane inlet nozzle and a catalyst particle discharge hole (13); the bottom end of the cyclone separator (4) is connected with the catalyst particle circulation vertical pipe (6); the catalyst particle circulation vertical pipe (6) is connected with the catalyst particle return pipe (10) by virtue of the solid particle return control valve (8); the catalyst particle circulation vertical pipe (6) is provided with a catalyst particle feeding hole (7); and the catalyst particle return pipe (10) is provided with a blow air supply inlet (9). The fluidized bed reactor for deoxidizing oxygen-containing coal bed methane has the advantages of being high in heat exchange efficiency and handling capacity, good in safety and simple in structure.