タイトルまたは説明

The product furnace is equipped with water-tubular, vertical three return, the top burners burn style. Flame flows from the top to down fully extended, with features of the length flame and fully burned. Each part of the flue gas through the three return to transfer heat, which greatly reduces the exhaust gas temperature, reduces the heat loss of warm-up and shut down the boiler.It improves thermal efficiency.