Automatic coal fired boiler, chain grate coal heating boiler, 700kw 1400kw 2100kw 2800kw 3500kw 4200kw 5600kw 7000kw.
DZL chain grate coal hot water boiler, is horizontal three-pass water & fire tube boilers with automatic combustion device. Threaded pyrotechnic tubes are arranged in the drum to form a convection heating surface, while the drum and the water walls on both sides from a radiation heating surface in the furnace.