Portable Asphalt Tanks
CEI Portable Asphalt Tanks come in six different sizes with capacities from 10,000 to 35,000 gallons. All components are mounted on a chassis equipped for highway travel. Standard portable tanks haves a chassis with dual wheels, spring suspension, and either single or tandem axles. Triple axles, quad axles, and air bag suspension are also available options.
Multiple heating options are available:
- Heating coils with jacketed firebox heater
- Heating coils with helical coil heater
- Heating coils alone
Hot Oil Heaters
The CEI-1000 jacketed firebox heater is the standard hot oil heater used on CEI portable tanks. This compact, fuel-efficient unit will heat two large tanks with pumps and connecting piping, and still have enough BTU's left to allow a temperature rise if necessary.
Firebox heaters feature 2-stage heating. Hot burner gases circulate in the firebox, then exit through a heat exchanger. Thermal oil circulates through the heat exchanger, then around the firebox in a spiral pattern.
Helical coil hot oil heaters are also available. The coil is designed and built to ASME code. It is designed to provide a large heat transfer surface area, low flux rates, and an ideal fluid velocity of 7 to 11 feet per second. ASME stamp is available as an option.
Both jacketed firebox and helical coil heaters can be used to heat another coil tank, an asphalt metering package, liquid asphalt lines, and other plant components.
Full-modulation burners ensure fuel efficiency. Standard burners are fired on No. 2 fuel oil. Optional burners for natural gas or combination gas/oil are available.
Microprocessor controls regulate the flame safeguard and temperature. UL-rated, NEMA 4 control panels provide watertight protection against splashing water, hose-directed water, rain, sleet, snow, ice, dirt and windblown dust. Panels that meet CSA specifications, and other NEMA standard enclosures are available optionally.
CEI portable asphalt anks are made from 1/4” A-36 steel plate. Tank heads are also 1/4” steel, flanged and reinforced with channel stiffeners. Ladders are provided both inside and out. Tanks are covered with 6 inches of fiberglass insulation, and the same options of aluminum skin as vertical tanks.
Internal bulkheads are optional for coil-heated tanks. These bulkheads divide the storage tank into separate compartments for different grades or types of asphalt, heavy fuel, or additives. The bulkheads are double-walled and insulated. Various combinations of heating coils and controls can be furnished. Optional electric heating elements are also available.
Special Versions for Modified Asphalt
Two special versions of portable tanks are available to heat and store either polymer-modified asphalt or asphalt-rubber mixtures. Both versions maintain the modified asphalt at higher than normal temperatures, and constantly agitate the material. Pump and piping systems are oversized because modified asphalt has a higher viscosity than virgin asphalt. Motor-driven mixers, agitators, or augers are mounted in the tank and spaced for optimum agitation.
Optional steel plate foundations with hand cranks make setup easy. They can be cranked down in minutes, drastically reducing setup time and eliminating the need for cribbing. Screw type support level jacks with 30” x 30” plates are also available.
Fuel Tank Options
A 350-gallon compartment can be built on or in the gooseneck for storage of No. 2 fuel oil for the heater.
Additive Tank Options
A 2,000 gallon additive tank can be built onto the rear frame extension. It is heated and insulated.
Metering System Options
Highly-accurate twin-pump asphalt meters and mass-flow meters can be added. Meters are typically mounted on a frame extension on the back of the tank
Unloading Pump Options
An optional pump, motor, and strainer system unloads AC tankers into the tank. The system can be piped so it also unloads the tank. A reversing starter can be used to clear the piping.
A variety of piping options are available:
- Piping sizes from 2 to 4 inches
- AC lines with hot oil jackets
- Rigid AC lines with 12° ball joints
- Insulation on hot oil and AC lines
- Piping to drum mixer and other tanks
- 1-1/2” hot oil jumper lines
Other options include a calibration tank for calibrating the asphalt metering system, a sock filter to clean debris from heat transfer oil and protect hot oil pumps, a 7-day, 24-hour time clock, fold-down handrails, vent condensers, and high-low AC level alarm.