The first dryer(The total length of 10 tiers is 43 meters)：Main material parameters: frame by carbon steel with the surface be galvanized and painted, angle steel with the size of 40X4, square tube with the size of 50x3, rectangular tube with the size of 50x25x3 and 100x50x5 and seamless steel tube with the size of φ27*2.8mm. The first layer of the net by SUS304 diamond net and others by galvanized net, the ordinary rock wool insulation board with the thickness of 50 mm and the 2mm transfer layer of the canvas belt.