Technical Progress of China's Delayed Coking Technology

摘要

This article introduces the recent advances of China in the fields of process technology of delayed coking,enlarged equipment size,hydraulic decoking,automatic control and environmental protection.By the end of 2004 the total capacity of delayed coking units in China had reached 37.24 Mt/a with the maximum coke drum diameter equating to 9.4 m.This article also presents the investment in delayed cokers and the current production status while pointing out the existing problems and future development trends