SMOKE STACK Russian patent published in 1997 - IPC

FIELD: power engineering; devices for removal of flue gases from power-plant boilers. SUBSTANCE: smoke stack has gas discharge tube 1, mixing chamber 2, gas ducts and header with distributors 6. Two gas flows enter mixing chamber through header and distributors 6 and then it is discharged from gas flow through holes 7. Special mechanism is provided for setting the distributors in motion. EFFECT: enhanced durability and reliability of tube. 2 dwg