Rotary Kiln, rotary calciner, rotary furnace, rotary Lime Kiln. Handan metallurgical engineering amp Research Co. Ltd (MER) currently is the TOP professional company majoring in design, equipment fabrication, installation, production, training, and commissioning in China. So far, the company has undertaken around 100sets of rotary kiln of Active Lime (dolomite calcinations). Mar 30, 2020 Use of rotary kiln 1. In the building materials industry, in addition to calcining cement clinker, rotary kiln is also used for calcining clay, limestone, and slag drying etc. In the production of refractory materials, rotary kiln is used as the raw material to stabilize the size and increase the strength. , And then processed. 2.