Control and optimization of combustion in furnaces of a refinery.
Control and optimization of combustion in furnaces of a refinery.

Control and optimization of combustion in furnaces of a refinery.

MATELCO 6O INSTALLED OVER GAS IN REFINERY ANALYZERS

Challenge
is important to optimize combustion to reduce fuel consumption and therefore requires precise control of oxidizer (oxygen (O 2 ) / air).

For complete combustion of a small excess it is required O 2 , because faulty air (O 2 ) is unburned and is wasted. Also they obtained unburned in the combustion gases (CO).

If , however, the excess of O 2 is excessive, the thermal energy of the gases will be lower by adding more air ( “cold”) the necessary, which decrease performance and would enhance NOx formation.

Therefore, it is maintaining lower excess O 2 to ensure complete combustion (no CO is formed) minimizing energy losses and the formation of NOx; with a potential fuel savings.

 

Solution

The solution proposed by Matelco are gas analyzers belonging to the Norwegian firm NEO manufactured with laser technology (TDLAS), and have the following advantages:

  • No sample conditioning = measurement is necessary in situ
  • Measured along a whole section of the furnace, being more representative than other technologies that measure only a point measurement. In furnaces with considerable dimensions, the distribution of gases therein is not homogeneous; depending on where measured, you may have differing gas concentrations measured.
  • Tolerate up to 1,500 ° C because they must withstand high temperature conditions inside the oven.
  • Suitable for applications with high particle
  • They may measuring O 2 , CO and CH 4 , as security parameter during start furnace. If at that time a burner stops operating, it may cause an accumulation of CH 4 which could cause an explosion.
  • Fully configured to customer needs, are factory calibrated
  • Time less than 2 s answer.
  • Check analyzer measurement without dismantling the equipment
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