When the dry rotary kiln is in cement production, the kiln inlet and kiln outlet will produce amount of waste gas at medium/low heat around 350 . Waste heat generation project is to collect the waste gas at the kiln inlet and kiln outlet of dry rotary kiln cement clinker production line. The project is important to save energy consumption, reduce carbon dioxide emissions. Energy-saving and emission reduction are the depth development of new dry cement production. Our company holds the most advanced technology for power generation and heat recovery, the technology is one of my company's expertise.