100 5 u2033 51 u2033 49 500 acfm 45 5 u2033 400 106 49 116 u2033 58 75 u2033 65 900 acfm 52 5 u2033 500 133 12 129 5 u2033 65 75 u2033 82 400 acfm 58 5 u2033 600 159 74 142 u2033 72 u2033 98 900 acfm 64 u2033 225 degree stack 180 degrees dryer exhaust gas temperature 200 50 74 73 5 u2033 39 u2033 28 800 acfm 34 75 u2033 300 76 11 89 75 u2033 47 5 u2033 43 100 acfm 42 5 u2033 400 101 48 103 5 u2033 55 u2033 57 500 acfm 49 u2033 500 126 85 115 75 u2033 61 5 u2033 71 900 acfm 54 75 u2033 600 152 22 127 u2033 67 u2033 86 200 acfm 60 u2033 by utilizing both the unique combustion entry rap system combined with a dual burner configuration in the example of a 50 recycle plant such a system has a reduced size of the air handling equipment including the dust collection system by 20 and the combustion equipment by 10 the size of the typical 400 ton per hour drum dryer for example goes from 10 u2032 3 u2033 diameter to 8 u2032 8 u2033 diameter the size of the baghouse filter collector on the same plant goes from a 75 000 acfm capacity requirement to a 57 500 acfm requirement the size of the burner goes from 112 million btu down to 101 million btu such savings are heretofore unknown for modern asphalt plants from the foregoing it will be seen that this invention is one well adapted to attain.