Pulverized-coal burnt horizontal-type hot fume generating furnace

The utility model discloses a pulverized-coal burnt horizontal-type hot fume generating furnace which comprises a front wall (11), a rear wall (12), a side wall (13) and at least one pulverized coal burner (2). The pulverized coal burner is used for burning pulverized coal which enters the furnace, and each wall is connected with a top part (15). The generating furnace is characterized in that the generating furnace further comprises at least one air preheater (9) which heats combustion air by utilizing hot fume generated by the hot fume generating furnace, the air preheater comprises a combustion air inlet (8) and a combustion air outlet (10), and the combustion air which comes out from the combustion air outlet (10) enters the fume generating furnace by the pulverized coal burner (2).