After five years research, a totally new technology for producing a rapid-hardening cement containing bigh content of coal gangue is proposed’ In the technology, a specially designed rotary kiln is used as the calciu...After five years research, a totally new technology for producing a rapid-hardening cement containing bigh content of coal gangue is proposed’ In the technology, a specially designed rotary kiln is used as the calciulng equipmeut, whose structure is more like a conventional clinker cooler than a conventional rotary kiln. A fluidized bed furnace fueled by coal gangue is designed as its heater. With this technology, the quality of the cement yielded can be guaranteed; besides, no high grade coal is needed,no wastes are produced; furthermore, the investment is greatly lowered as compared with a traditional one. So it is a new viable method for disposing coal gangue’展开更多
文摘After five years research, a totally new technology for producing a rapid-hardening cement containing bigh content of coal gangue is proposed’ In the technology, a specially designed rotary kiln is used as the calciulng equipmeut, whose structure is more like a conventional clinker cooler than a conventional rotary kiln. A fluidized bed furnace fueled by coal gangue is designed as its heater. With this technology, the quality of the cement yielded can be guaranteed; besides, no high grade coal is needed,no wastes are produced; furthermore, the investment is greatly lowered as compared with a traditional one. So it is a new viable method for disposing coal gangue’
