CHIMNEY STACK Russian patent published in 2001 - IPC

FIELD: power engineering; boilers, heat-electric units, exhaust-heat boilers. SUBSTANCE: chimney stack is distinguished from known facilities used for deep cooling of stack gases and their cleaning by tandem arrangement of economizers and relevant process and forced-draft equipment on foundation above gas conduit which are joined together to form vertical column with chimney on top thereby saving space of industrial areas. Pipe intended to continuously discharge condensate from chimney by gravity as it appears is provided to protect chimney and foundation from detrimental action of condensate. EFFECT: reduced space requirement, facilitated installation, debugging, and maintenance operations. 2 cl, 2 dwg