Bed type dryers have two structures of one way ventilate and double way ventilate. The airflow of one way ventilate crosses material layers from down to up; and theairflow of double ventilate crosses the material layers in two ways,it can keep even drying. It's include the burner, heat exchanger, temperature controller. Indirectly heating.Fuel: 0# diesel fuel,wind volue:5000m3/h, pressure:283pa, ...
