Exhaust fans and fans axial type ДОД and ВДОД
Two-stage axial smoke exhausters of the DOD type are designed to remove flue gases from the furnaces of stationary steam boilers with a steam capacity of 640-2650 t / h for power units with a capacity of 200, 300, 500 and 800 MW with a residual dust content of flue gases of not more than 0.5 g / m3. The maximum allowable temperature of the transported medium at the inlet to the smoke exhauster must not exceed +200 oC. shoulder blades
impellers of axial smoke exhausters are made of wedge-shaped steel blanks by hot stamping. The index "GM" is added to the designation of smoke exhausters for gas-oil boilers, the index "F" is added to the designation of smoke exhausters with increased pressure. Smoke exhausters of the DOD type are produced only with left rotation.
- Chassis;
- Suction pocket;
- Frame;
- Guide apparatus;
- Impeller 1st stage;
- Intermediate guide apparatus;
- Impeller 2nd stage;
- Straightener;
- Diffuser.