It is the II-type arrangement of free-circulation single-cylinder water-tube boiler. Hearth is the membrane water-screen 

suspension enclosed structure.  Water-cooled air chamber and water-cooled air distribution panel are used.  Method of 

ignition: bed underneath.  High-temperature insulation spiral-type cyclone cylinder is at the outlet of hearth, fitted with 

the support mechanism.  Separation efficiency is extremely high (≥99%).  Superheater, coal economizer and air pre-heater are 

in the standing well at the tail.

The oiler is designed with proven technology that it has good corrosion resistance, wide range of applicable coals, high 

desulfurization efficiency and other characteristics and ensures the stable operation under 30% load to full load.

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