... ventilation design,which has a wide dry aear,equiped with temperature avaerage-balancing device automatically controlling the inner dryer,the ... as coal, wood,straw,hust etc)3.Lower cost(per humidity 5% reduction for 12T paddy,by coal fuel elecricity ... ,over load protection system temparature detector,security fuse,persure sensor creepage protection,burner off-alertor 5HXG-12.5 Low temperature dryer