Series of DZL quick fitting boiler is horizontal tri-returning water and fire pipes chain grating boiler, which uses medium quality soft coal. The boiler body is single cylinder type, portrait arranged; there are left and right 2 rows of fire pipe bundles inside boiler cylinder to form convection heat receiving surfaces, the boiler cylinder and water cooling walls at both sides shape the furnace radiation heat receiving surfaces; the combustion equipment uses light chain grating; exit shop in whole machine quick fitting type. The electric control realizes grating step free timing, the extreme parameter alarm and inter-lock protection.

Features of this series of boiler: compact in structure, small in volume; convenient in installation, cheap in fundamental construction; mechanized coal feeding and cinder removing; the output of the boiler is gigantic; and high in efficiency. It is really well applauded equipment for extensive used steam supplying for medium and small enterprises and public heating.