Refinery CDU Fired Heater

Heat recovery through the acid dew point from flue gas of a fired heater resulted in an increase in furnace efficiency of 4%.

Oil Refinery factory at twilight , petrochemical plant , Petroleum , Chemical Industry
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Oil Refinery factory at twilight , petrochemical plant , Petroleum , Chemical Industry

4% furnace efficiency increase

3,200 kW heat recovery

Downstream corrosion rate <0.1 mm/year

Ambition to reduce their carbon footprint

The refinery wants to decrease the carbon footprint of their operations. To reach this target waste heat recovery is one of their key focus areas. Currently a lot of heat is being lost via the stack with the potentially corrosive flue gas. Our customer wanted to recover a part of this heat.

HeatMatrix polymer APH

Before no heat recovery was performed because of the corrosive nature of the flue gas. When the flue gas is cooled, sulphuric acid is formed and corrosion occurs inside the heat recovery system. The HeatMatrix polymer air preheater was selected because it can handle the formed sulphuric acid and makes additional heat recovery possible. 

4% furnace efficiency increase

After the HeatMatrix polymer air preheater was installed, furnace efficiency increased by 4%. Corrosion rates downstream of the heat recovery system remained below 0.1 mm/year. 

Specifications

Solution has a duty of 3,200 kW
Flue gas flow 123,000 kg/hr
Temperature flue gas flow 180 °C
SO2 concentration up to 100 mg/Nm3
Installed heat exchanger HeatMatrix Polymer Air Preheater
Process flow diagram (PFD) of a HeatMatrix polymer air preheater installed on a furnace

4% furnace efficiency increase

"We are planning to reduce our carbon footprint. Improving the efficiency of our fired heaters will be an important contributor in achieving this target. Therefore we have implemented a polymer Air PreHeater of HeatMatrix on one of our fired heaters."
Oil RefineryHead of Production Optimisation
Oil Refinery

For more than 10 years we design and deliver heat recovery systems for industrial factories

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Technical Assessment of heat recovery on your Fired Heater

Our process engineers assess the technical feasibility of additional heat recovery on your Fired Heater, or any other thermal process. Your potential reduction in CO2 emissions, energy consumption and costs is determined by our experts.

  • Analysis of process data of your fired heater
  • Minimal input data required
  • Business case on your savings potential
HeatMatrix technical assessment of heat recovery on a fired heater
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