The utility model discloses a redox arrangement of carbon nano -tube catalyst, including the furnace body, the front portion of furnace body is provided with air inlet and bin outlet with furnace bodyinner chamber intercommunication, and the rear portion is provided with gas outlet and feed inlet with furnace body inner chamber intercommunication, is provided with the material feeding unit who isused for pushing the material in the furnace body to from the feed inlet bin outlet on the furnace body, still include the heating device who is used for heating the material in furnace body or the furnace body. The utility model discloses can realize need not frequently to cool off the furnace body to the continuous reduction preparation of catalyst material, can effectively improve production efficiency to because the flow direction of hydrogen is opposite with the moving direction of material, can guarantee material in the good contact and the reaction of hydrogen, can effectively guarantee the catalyst quality, also can effectively reduce the waste of energy consumption and reduction hydrogen.