Synonyms for Blast furnace:

n.

factory, cannery, cooling tower, gasometer, foundry, boatyard, gasholder, brickworks, derrick. furnace (noun)
warmer, hearth, jet, kiln, solar heater, heater, burner, potbellied stove, radiator, fireplace, coal stove, sun lamp, induction heater, Franklin stove, register, oven, firebox, infrared lamp, smelter, furnace, Bunsen Burner, steam heater, water heater, coke oven.

Other synonyms:

foundry, derrick, gasometer, brickworks, boatyard, cooling tower, gasholder, cannery. factory.