The Bitumen section of CAPIUS Drum Mix plant mainly consists of Bitumen Tank, Bitumen heating burner, Bitumen Pumping & Metering unit and Hot Oil system.

The Tank is insulated to minimize heat losses. The bitumen inside the tank is heated by U-shaped beating tube fitted with automatic burner of adequate capacity. A jacketed Bitumen Pump driven by Variable Speed Motor through Reduction Gear Box is provided to pump the bitumen to the Drum. The bitumen flow rate is controlled by varying the RPM of Motor. Bitumen Pump, all bitumen lines to and from the tank except pipe fittings and valves are hot oil jacketed. An independent electric motor driven pump is used for pumping the hot oil from hot oil tank to the jacketing lines. The single stage burner of bitumen tank is fitted with remote control system to detect flame failure and have electric spark ignition system. The temperature is controlled through thermostatic control device to heat bitumen in desired temperature range. The main bitumen tank, hot oil tank, blower, hot oil pump, bitumen pump with speed reduction gear box and motors are all mounted on standby chassis and are provided with heavy legs to facilitate erection of the unit.