ROTARY KILN

A rotary kiln of the present invention comprises: a calcining device including a cylindrical rotating tube which mixes input powdered raw materials while rotating in a horizontal direction; an external heating device for heating the powdered raw materials input to the rotating tube, by heating the o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NHO, Jun Seok, SEONG, Eun Kyu, KO, Young Min, OH, Myoung Hwan, KIM, Dong Hwan, RYOO, Chang Seok, YOON, Jong Seol
Format: Patent
Sprache:eng ; fre ; kor
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Beschreibung
Zusammenfassung:A rotary kiln of the present invention comprises: a calcining device including a cylindrical rotating tube which mixes input powdered raw materials while rotating in a horizontal direction; an external heating device for heating the powdered raw materials input to the rotating tube, by heating the outside of the rotating tube; and an internal heating device for simultaneously heating and stirring the powdered raw materials input to the rotating tube, wherein the internal heating device comprises: a microwave generating unit for generating microwaves; a guide unit for guiding the microwaves generated by the microwave generating unit into the rotating tube; and a stirring heating unit which is coupled to the inner circumferential surface of the rotating tube, and stirs the powdered raw materials input to the rotating tube, and at the same time, heats the powdered raw materials while generating heat when the microwaves are absorbed. L'invention concerne un four rotatif comprenant : un dispositif de calcination comprenant un tube rotatif cylindrique qui mélange des matières premières pulvérulentes d'entrée tout en tournant dans une direction horizontale ; un dispositif de chauffage externe pour chauffer les matières premières pulvérulentes introduites dans le tube rotatif, par chauffage de l'extérieur du tube rotatif ; et un dispositif de chauffage interne pour chauffer et agiter simultanément les matières premières pulvérulentes introduites dans le tube rotatif, le dispositif de chauffage interne comprenant : une unité de génération de micro-ondes pour générer des micro-ondes ; une unité de guidage pour guider les micro-ondes générées par l'unité de génération de micro-ondes dans le tube rotatif ; et une unité de chauffage d'agitation qui est couplée à la surface circonférentielle interne du tube rotatif, et agite les matières premières pulvérulentes introduites dans le tube rotatif, et, en même temps, chauffe les matières premières pulvérulentes tout en générant de la chaleur lorsque les micro-ondes sont absorbées. 본 발명의 로터리 킬른은 수평 방향으로 회전하면서 투입되는 분말 원료를 혼합하는 원통형 회전튜브를 구비한 소성장치; 및 상기 회전튜브의 외측을 가열함에 따라 상기 회전튜브에 투입된 분말 원료를 가열하는 외부 가열장치; 및 상기 회전튜브에 투입된 분말 원료를 교반함과 동시에 가열하는 내부 가열장치를 포함하며, 상기 내부 가열장치는, 마이크로웨이브를 발생시키는 마이크로웨이브 발생부, 상기 마이크로웨이브 발생부로부터 발생한 마이크로웨이브를 상기 회전튜브 내부로 안내하는 가이드부, 및 상기 회전튜브의 내주면에 결합되고, 상기 회전튜브에 투입된 분말 원료를 교반함과 동시에 상기 마이크로웨이브를 흡수하면 발열하면서 상기 분말 원료를 가열하는 교반 발열부를 포함한다.