Sustainable Mining and Metallurgy

This paper introduced the equipment and process status of petroleum coke calcination cooler, analyzed the heat balance of the cooler, and designed a set of recovery schemes for sensible heat of high-temperature petroleum coke. According to the analysis of heat budget, the vaporization and heat absorption of cooling water and heat dissipation of tube wall of cooler account for about 71% of the total heat of calcined coke, indicating that the huge sensible heat resources in the cooling process of calcined coke were wasted by traditional disposal methods. To solve this problem, an inner cylinder was added on the basis of the existing cylinder to form a closed ring coelom between the inner cylinder and the outer cylinder, and then the heat transfer and utilization were realized through the water flow in the ring coelom. The proposed scheme can change the existing cooling mode, realize the effective recovery of sensible heat in the cooling process, and save about 4.6195 million yuan per year, which had good social, economic and environmental benefits.