The ventilation system consists of a centrifugal fan, air damper, actuator, filter, and silencer. Unlike dual block burners, the ventilation system is integrated with the burner combustion head in monoblock burners.
A forward or backward inclined centrifugal fan is used to overcome the pressure drop in the burner combustion head and the boiler. The centrifugal fan uses forward, backward, and radial blades dependent on the air flow rate and pressure. Forward centrifugal fans are usually used for applications where low pressure is required and have a smaller diameter than backward. Unlike the forward centrifugal fans, backward fans are used for burners with high-pressure drop combustion heads and boilers.
The performance curve of centrifugal fans shows the flow rate decreases with an increase in the pressure drop. In forward fans, power consumption increases dramatically with the flow rate, but power consumption rises slowly and decreases in backward fans.
The optimum designation of caused Raadman ventilation system work on optimum performance curves with low noise pollution. The fan with the backward inclined curve is required for high-capacity burners, such as monoblock burners with capacities usually above 2 MW, dual block burners, central ventilation systems for water tube burners, and multi-burner systems.
The Raadman ventilation system can install integrally with the combustion bloc in the mono block burners or separately in the dual block.
4th International exhibition of equipment, services, innovations for industrial enterprises and them uninterrupted heat and power supply.
During the last century, Nitrogen oxide emissions, called NOx, have constantly been increasing. Due to the destructive effects of nitrogen oxides on the health of
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PACKMAN Company was established in February of 1975. This company started its official activity in the field of construction of High-Pressure Vessels such as Hot-Water Boilers, Steam Boilers, Pool Coil Tanks, Softeners and Heat Exchangers from 1984.
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