Continuous galvanizing line

摘要: A continuous galvanizing line having an annealing furnace of all radiant tube heating type includes a moisture removal device, dew-point meters, outlets through which the atmospheric gas in is collected and inlets from has been removed with device fed into furnace, meters being placed at least two points respectively exist on side wall vicinity entrance top or bottom position where steel sheet maximum end-point temperature, walls sides opposite to for height direction making it possible steadily control be −45° C. lower −80° higher throughout whole area furnace.