Through analyzing on characteristics of the compound material shell, proposed the activity block molding and inside slide block demoulding mechanism, the mold structure was simple and clever, not only reduced the mold cost and the development cycle, more over the mold life was improved.

By concluding a 120 m high chimney construction of integrated heating project in Yanjie City,it illustrates working mechanism & technological features of "inner brick & outer slipperiness" slippery shuttering construction without derrick and puts forward feasible measures from aspects of its installation?slippage?demolition?quality control?safety control and so on.