大连化学工业公司在我国已有四十多年的历史。随着国民经济的发展,现已成为我国纯碱生产的大型联合企业,也是亚洲最大的纯碱生产基地。但由于纯碱生产设备腐蚀严重,每年消耗钢材达5,000余吨,其中由于腐蚀而替换的钢材量为3,000余吨,每年用于生产设备的大修费用为1,800多万元。 Dalian Chemical Industry Company in our country has more than 40 years of history. With the development of the national economy, it has now become a large-scale joint venture of soda ash production in China and the largest soda ash production base in Asia. However, as the soda ash production equipment corroded seriously, it consumed more than 5,000 tons of steel annually, of which 3,000 tons of steel was replaced due to corrosion and over 18 million yuan was spent annually on the production equipment.