Henan Kolev Equipment Technology Co., Ltd. products

The three-return dryer is nested by three concentric cylinders with different diameters, rather than interlocking. It is a chain. This special structural form determines its output, so this new dryer is also called three-return dryer.

The coal slime itself has high humidity and high adhesion. The special dryer for coal slime uses a special dispersing device, which can disperse the bonded coal slime and dry it, increasing the contact area between the coal slime and the hot air, and greatly improving the heat utilization rate.

With the development of comprehensive utilization of desulfurized gypsum resources, desulfurization of power plants is imperative, and various calcination processes present a trend of simultaneous development. At present, there are mainly direct heating rotary kiln, indirect heating rotary kiln, air flow rapid calcination, fluidized bed furnace calcination, wok calcination and other process modes.