The quality of thick product can be improved by the operation of adjusting the zinc attachability and the surface zinc spangle, and that operation is controlled by adjusting the furnace temperature and the ratio of air to gas in each zone of NOF section.

• 摘要通过合理调整炉温及NOF各区空燃比的方式来控制厚规格产品的锌层附着性和表面锌花状态，从而提高厚规格产品的质量。