Gas Burner BS1 Riello
The inlet air flow is controlled manually or motorized by the air damper installed in the burner body.
The gas stream passes through the torch gas filter and mixes with the combustion air and is ready for combustion.
If the combustion air pressure is too low or the gas pressure is more or less than the desired value, this condition is felt by the built-in pressure sensors and the burner is extinguished by pressing the air and gas switches via the relay command.
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Gas Burner BS1 Riello
Fuel and air regulation:Complete combustion of fuel is the result of adjusting the exact mixing ratio of fuel and air.The more accurately this ratio is adjusted, the higher the combustion efficiency of the burner, resulting in less fuel required. In small burners, the combustion of the burner needs to be regulated by a manual damper, but in large burners, this adjustment is provided by the automatic damper of the air required for combustion.However, due to the fact that the air temperature of the boiler house and its humidity varies throughout the year, in large burners, the air damper must be re-adjusted in each season.Today, modern burners are equipped with an intelligent PLC control system that automatically adjusts the ratio of fuel to air throughout the day and all seasons.Due to the incomplete efficiency of fuel combustion in burners and considering some thermal losses, when choosing a burner, we consider the capacity of the burner to be about 20% higher than the capacity of the boiler.For every 300 meters of increase in the height of the door surface or due to the decrease in air concentration, the fuel combustion efficiency of all types of burners is reduced by about 4%.The calorific value of each cubic meter of natural gas is approximately equal to K.cal 9200