Economizer of a recovery boiler.

摘要

The invention relates to a device for a waste heat boiler which gas effluent cools down, inter alia, WITH THE HELP OF A SYSTEM PIPES (8) through which water flows, a call economizer. The device is characterized in that cooling in the economizer is designed two stages (14,16) WITH effluent gases flowing along PIPE IN PENULTIMA (14) STAGE AND FLOWING THROUGH PIPES in the final stage (16 ).