In this paper,the strength and petrographic structure of clinker by low-temperature burning are studied.The results show that both the calcining temperature of Ca-CO3 and sintering temperature clinker decreases by 150...In this paper,the strength and petrographic structure of clinker by low-temperature burning are studied.The results show that both the calcining temperature of Ca-CO3 and sintering temperature clinker decreases by 150 degrees C compared with those in traditional rotary kiln,the rate of f-CaO in the clinker sintered at 1300 degrees C is 0.29%similar to 2.81%,the strength of the clinker is 62.5MPa with maximum 69.4MPa at a specific area of 2900 similar to 3400cm(2)/g.The results also show that the types of petrographic structure of the clinker can be classified as:homogeneous structure,inlaid or edged structure,stain-melting structure and porous structure.The clinker sintered at 1300+/-15 degrees C temperature and with enough retention period is mainly in homogeneous structure.展开更多
文摘In this paper,the strength and petrographic structure of clinker by low-temperature burning are studied.The results show that both the calcining temperature of Ca-CO3 and sintering temperature clinker decreases by 150 degrees C compared with those in traditional rotary kiln,the rate of f-CaO in the clinker sintered at 1300 degrees C is 0.29%similar to 2.81%,the strength of the clinker is 62.5MPa with maximum 69.4MPa at a specific area of 2900 similar to 3400cm(2)/g.The results also show that the types of petrographic structure of the clinker can be classified as:homogeneous structure,inlaid or edged structure,stain-melting structure and porous structure.The clinker sintered at 1300+/-15 degrees C temperature and with enough retention period is mainly in homogeneous structure.