DZL Steam (hot water) boiler composed of the body, chain grate, the former arch, the rear arch, light furnace wall, steel and thermal insulation. Body comprised the pot shell, smoke box, water wall tube, down tube and under boxes on both sides; the tube sheet adopts all-welded structure. The chain grate adopts ten light fire grate, thicken grate sheets supply sub-independent air.                          http://www.balturboiler.com/