| 摘要 |
A boiler unit includes air duct connecting to each other installed in sequence blast fan, shutoff fittings, recuperative heat exchanger for air heating, this is equipped with gas duct for supply of smoke gases, with shutoff and control fittings and gas duct for discharge of smoke gases from it. On the gas duct for supply of smoke gases to recuperative heat exchanger additional burner is installed, with fuel line and air duct equipped with shutoff and control fittings. |
