操作时应使用木锤或有橡胶皮套的锤子，不得使用铁锤，以免落锤点产生锈斑。 For a project to be maintained and maintained ,
the spiral duct
needs to be maintained. Let ’s take a look at how to maintain the galvanized spiral duct
after processing. First, we must keep the surface of the galvanized steel plate smooth and clean and
place it in a spacious and dry damp-proof wood. Or on a mat ,
neatly stacked .
Stainless steel plates ,
aluminum plates should lean against the wooden frame ,
do not lay flat ,
so as to avoid scratching the surface during shipping, use a scribe tool that does not produce scratches when cutting .
Use during operation .
Wooden hammers or hammers with rubber holsters must not be used with iron hammers, to avoid rust spots at the hammer points. 减少生锈现象。 Galvanized flat iron flanges
or angled iron flanges should be classified and coded. For example, in the open air, rain and snow protection measures should be taken to reduce rust. 风管搬运装卸过程中实行轻拿轻放，防止损坏成品的原理。 Ventilation pipes should be placed in a flat, spacious place with no standing water, and they should be numbered according to the system when they are placed. They should be neat, reasonable, and easy to ship. It is particularly noteworthy that the paint should be uniform and free from defects such as accumulation, missing coating, wrinkles, bubbles and color mixing. Ordinary steel plate must be sprayed with a rust-proof paint before pressing to ensure that it is not easy to rust in the bite seam. The steel sheet is coated with anticorrosive paint .