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Hot oil heater at Amoco terminal, Chattanooga, TN

Asphalt Terminal Heater

The terminal uses a Heatec HCI-6010-40-C hot oil heater with output of 8 million Btu/hr. It heats Amoco HTF #4199 from 400 to 500 degrees F at 350 gpm.

The fluid heats a total of 2,500,000 gallons of liquid asphalt in two large storage tanks plus five smaller tanks used for polymer blending.

The Heater shell is 3/8” thick A36 carbon steel. It has 3 inches of ceramic fiber insulation, which limits skin temp to 141 degree F at ambient of 70 deg and 5 mph wind.

The heater has an ASME VIII coil. It has a combination burner that uses natural gas and No. 2 fuel. It has a combustion air preheater. atop the heater that boosts thermal efficieny to 87 percent.

A pump skid is adjacent to the heater and includes an 1800 gallon expansion tank for the heater.