Steel silo with spiral rolled edge process, referred to as spiral steel silo. The spiral steel silo is made by spiraling the steel plate with a certain width into the rolling equipment during construction.
The protruding undercut thickness of spiral silo is 5 times of the original steel plate thickness, which strengthens the structure and the bearing capacity of the silo. The structure of silo body is integrated without any holes, bolts and screws, so it has good air tightness. In addition, the use of galvanized steel plates make the silo has good corrosion resistance performance and long service life. Due to the use of special equipment for spiral silo bending and seam biting, the quality of any part of the silo can be ensured. Construction of spiral silo is fast, and silo structure is safe and reliable. Due to the limitation of the thickness of steel plate, the storage capacity of a single silo is generally not more than 10,000t.
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