Floated pulverized coal combustion ordinary pressure is energy -conserving, environmental protection hot -blast furnace

The utility model relates to a floated pulverized coal combustion ordinary pressure is energy -conserving, environmental protection hot -blast furnace, its characterized in that: the main part upper wind box and the setting on hot -blast furnace upper portion are connected in the one end of the main part heat exchange tube of both sides, and the other end of main part heat exchange tube is connected with the right bellows of main part, main part left side bellows respectively, and main part right side bellows are equipped with air intake a, air intake b and air outlet a, middle right bellows are middle heat transfer system of hot -blast furnace with middle left bellows, are equipped with air outlet b in the right bellows one end in centre, and middle right bellows pass through the heat exchange tube and are connected with middle left bellows. Grate left side bellows and grate right side bellows pass through the grate heat exchange tube and connect, floated coal burner sets up in the front portion of main part