... .C, can be matched with different dryers. 1/ Hot air system can produce hot air from 60deg.C to 1000deg.C ... 20 million kcal per hour.4/ Take lump coal as fuel.Easy operation, simple maintenance,low cost. 5/ It is an ... ://www.cnmbl.com Email:mbl at cnmbl.com hot air system,clean hot air generator,non-boiler,non-melting furnace,mbl ...