Laterite-nickel ore pre-reduction rotary kiln and combustion device thereof

• Main Authors: TANG SHIJIAN, YUE XIONG, NGUYEN DINH SON, LI CHANGDONG, CHEN HUAIXING, LIU YUNTAO
• Format: Patent
• Language: Chinese; English
• Published: 14.02.2023
• Subjects: BLASTING; BURNERS; COMBUSTION APPARATUS; COMBUSTION PROCESSES; FURNACES; FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; HEATING; KILNS; LIGHTING; MECHANICAL ENGINEERING; OPEN SINTERING OR LIKE APPARATUS; OVENS; RETORTS; WEAPONS

The utility model provides a combustion device of a laterite-nickel ore pre-reduction rotary kiln. The combustion device comprises a moving track, a moving trolley and a gun body assembly. The moving trolley is connected to the moving track in a sliding mode. The gun body assembly comprises a gun body, a central pipe body, a combustion-supporting pipe body and a conveying air pipe body; the gun body is connected to the moving trolley and the central pipe body, a gas channel is formed in the central pipe body, and the gas channel is used for introducing gas; the combustion-supporting pipe body is arranged on the central pipe body in a sleeving manner, a combustion-supporting air channel is formed between the combustion-supporting pipe body and the central pipe body, and the combustion-supporting air channel is used for introducing combustion-supporting gas; the conveying air pipe body sleeves the combustion-supporting pipe body, and a conveying air channel is formed between the conveying air pipe body and the