Listed Company CRUN/Industrial Boiler - 410T/H High Temperature Separating CFB Boiler

410T/H high temperature separating CFB boiler:
1.Single steam drum
2.Circulating fluidized bed combustion
410 T/H high temperature separating CFB boiler:
Single steam drum
Natural circulation
Circulation fluidized bed combustion
Semi open-air type arrangement

The boiler consists a membrane walled combustion chamber, 2 sets of steel plate type cyclone separator and a rear part vertical shaft (HRA) wrapped with air-cooled wrapping wall.

Inside the combustion chamber, panel type heating surface, 4 pieces of pipe panels for panel type super-heater and 3 pieces of water-cooled evaporating panels are provided.

The boiler is provide with a total of 4 sets of coal-feeding devices and 2 limestone-feeding ports. All the coal-feeding device and limestone-feeding port are situated at the front part of the boiler, and are evenly arranged in cross direction on the tapered section at the lower part of the water-cooled wall of the front part wall.

The bottom part of the combustion chamber is a water-cooled air chamber made of water screen tube. Air conduit igniters are arranged behind the water-cooled air chamber. There are 2 sets of air conduit igniters, and in each, one high capacity ignition oil burner is provided. At two sides of the combustion chamber, 2 sets of air and water-cooling mode optional fly ash discharging and slag cooling devices for multiple chamber type fluidized beds are provided. 2 sets of cyclone separators are arranged between the combustion chamber and the rear part vertical shaft, and at the lower part of each separator, one set of J type valve feed back device is provided.

In the rear part vertical shaft, high and low temperature superheaters, coal economizer and horizontal type air pre-heater are provided from top to bottom successively. In the superheater system, 2-stage direct-contact desuperheater is provided.

The whole body of the boiler is arranged symmetrically at the left and right side, suspended on the steel frame of the boiler, which is a space frame with subposts at both sides.