The utility model discloses a metallurgical gas base shaft furnace is cooler for crude gas still, including intake pipe, outlet duct and heat transfer tube nest case, through first rectangle tie -in between intake pipe and the heat transfer tube nest case, through second rectangle tie -in, install to let out in the intake pipe and explode the hole between outlet duct and the heat transfer tube nest case, heat transfer tube nest case by freezing tuber pipe section is connected with cooling blower. The utility model discloses a metallurgical gas base shaft furnace is cooler for crude gas still, the box inside row of adoption tubular structure form, heat transfer tube nest incasement is still crude gas of high temperature, and heat transfer tube nest case transversely skims over cooling natural air outward, and cooler area is little, compact structure.