How does a refinery furnace work?

Process heaters are widely used in petroleum refineries, where they are called refinery heaters. Process heaters are used to transfer heat generated by the combustion of fuels to a fluid other than water contained in tubes. This fluid may either be process fluid or a heat transfer fluid.

How does an industrial furnace work?

Furnace designs vary as to its function, heating duty, type of fuel and method of introducing combustion air. Heat is generated by an industrial furnace by mixing fuel with air or oxygen, or from electrical energy. The residual heat will exit the furnace as flue gas.

What are the different types of furnaces?

There are four main types of furnaces: natural gas, oil, electric, and propane. Electric furnaces can heat the air by exposing heated elements, while other types of furnaces typically require a heat exchanger or chamber that warms the surrounding air.

What is crude heater?

Crude Oil Heaters The uniform flux density around the process coil allows for even heating of the crude oil thus reducing coking of the process tubes. This uniform heat flux reduces tube hot spots and prevents scorching of the crude oil.

How does a fired heater work?

Fired heaters rely on the flow of process fluids through the tubes to keep tube and firebox temperature down. If the temperature of the process fluid leaving the heater falls the control system calls for more fuel to be fed to the burners.

What is oil refinery furnace?

Oil refinery. This is the furnace where crude oil is heated to 470 degrees Celsius before it enters a distillation tower (still). The furnace burns waste gases from the oil refining process, and uses energy-efficient heat exchangers.

Which industries use furnace?

Industrial furnaces are widely used in many industries (metallurgy, mechanical engineering, chemicals, ceramic and building materials). Industrial furnaces using fossil fuels are characterized by heat losses from flue gases with a temperature of 500 °C and above.