The drying of calcium carbonate made with nano-technology is currently by the methods such as baking at baking shop, drying at rotating column, spraying baking, flash drying and band-type baking.
纳米碳酸钙新产品的干燥，目前大多采用烘房烘干、转筒干燥、喷雾烘干、闪蒸干燥、带式烘干等方法。
2
The hydraulic control system of the flash welding machine is the core of achieving its welding technology, and is the key of ensuring the band steel's welding quality.