| 摘要 |
FIELD: environment controlling equipment. SUBSTANCE: apparatus has smoke stack, vacuumizing unit formed as disk with central opening and positioned in cap mounted on smoke stack end, and isolators. Air pipe is connected to vacuumizing unit provided with openings arranged along diametrical line of disk and communicated with air pipe. Cap and air pipe are attached to smoke stack by draw bars. Cap and air pipe end portion, which are under the action of flue gases, are manufactured from refractory metal. EFFECT: enhanced reliability in operation and simplified mounting of apparatus in smoke stack. 2 cl, 2 dwgt |
