Patent ID: 11940216
Assignee: ZHEJIANG HAILIANG CO., LTD.
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F  C | IPC F

Claim 6:
7. The high-temperature flue gas recovery apparatus for a melting furnace according to claim 3, wherein a rotary shaft is fixed at a position where the buffer element is hinged to the preheating chamber, the rotary shaft extending out the preheating chamber and being fixed with a connecting element; the drive element comprises a rotary drive and a drive shaft which are mounted on the preheating chamber, the rotary drive driving the drive shaft to rotate; a plurality of annular grooves arranged at intervals along a vertical direction are provided on a sidewall of the drive shaft, each annular groove comprising a horizontal segment and a crooked segment which are in communication with each other, the crooked segments of two upper-lower neighboring annular grooves being misaligned; one end of the connecting element extends into the corresponding annular groove and is slidingly disposed relative to the annular groove; when one end of the connecting element is located at the horizontal segment, the buffer element is disposed in the buffer state, and when the end of the connecting element is located at the crooked segment, the buffer element is disposed in a discharge state; and positions of a plurality of connecting elements connected to a same drive shaft are located on a same vertical line.