A shrinkage method combining with medium-length hole and shallow hole

hole by hole blasting

hole by hole blasting technique

hole by hole detonating

hole by hole initiating

hole by hole initiation

Hole-by-hole

mid-and-deep hole combining shallow hole balsting

sight hole peep hole

Additional Tuyere

basal tuyere

BF tuyere

blast tuyere

blind tuyere

coke at the zone of the tuyere

multiple tuyere

opening all tuyere

secondary tuyere

self-slagging tuyere

Side Tuyere Position