Fan with tuyere adjusting structure for hot blast stove

The utility model discloses a hot blast stove's blower fan with tuyere adjusting structure, including air volume regulation mechanism, heating box and threaded through pipe, air volume regulation mechanism's external one end is provided with energy supply piece, air volume regulation mechanism's external other end is provided with heating box, the threaded through pipe is provided at the inner side of heating box, and the threaded through pipe is provided with the tuyere adjusting structure. And the air volume regulation and control mechanism comprises a mounting plate, threaded notches and groove pipes, the threaded notches are evenly formed in the mounting plate, and the groove pipes are arranged on the outer sides of the threaded notches. According to the draught fan with the air opening adjusting structure for the hot blast stove, a threaded through pipe is in threaded fit with a threaded notch in a mounting plate, the threaded through pipe can be mounted in a groove pipe to be blocked, the threaded throu