我部有许多露天状态下的金属构件,原来每年都要进行除锈防腐,花费了大量的人力和物力,特别是水渣生产的两台门型吊车,受到冲渣气体的腐蚀,锈蚀非常严重.每年还必须外请施工队伍防腐二次,也曾经使用过一些新的防腐涂料,仍无济于事.后来我们发现我部装卸煤焦油的铁路钢轨被焦油覆盖着,它对金属有很强的附着作用,钢轨及垫 I have a lot of metal parts under the open-air condition, the original annual anti-rust corrosion, spent a lot of manpower and material resources, especially the production of two slag gantry crane by the slag gas corrosion, corrosion is very serious Every year, we also need to invite the construction team for preservatives twice, and have also used some new anti-corrosion coatings for a long time, but later we found that the railroad rails on which I loaded and unloaded coal tar were covered with tar and had a strong attachment to the metal , Rails and mats