Self-feeding type flue gas gathering device

The utility model discloses a self-feeding type flue gas gathering device, and aims to provide a self-feeding flue gas gathering device for an LF furnace, which is applicable to flue gas control of the LF furnaces in the metallurgical industry. The self-feeding type flue gas gathering device comprises a self-feeding system, an LF furnace (1) and a flue dust gathering cover, wherein the self-feeding system is connected with the LF furnace (1), and is fixed with and penetrates the flue dust gathering cover; and the flue dust gathering cover adopts a non-full-closed cover body structure, and is used for covering the exterior of the LF furnace through a supporting structure (10) arranged at the lower part of the cover body, so as to form the self-feeding type flue gas gathering device. The self-feeding type flue gas gathering device is used for flue gas gathering without influencing the process operation such as the feeding, the smelting and the maintenance of the LF furnace, has good dedusting effect, solves the difficulty in the contradiction between the feeding and the dedusting in the LF furnace caused by the factors that the surrounding space is narrow, the process operation is complicated, and the like, realizes the flue dust gathering while self-feeding, and has wide application prospect.