The Airtorch® may also be used in a recuperative mode. MHI can provide an Airtorch® unit for up to more than 4700°C in input temperature, Output up to 1200°C makes the MHI DH add-on an ideal component for all large ovens.
When comparing Airtorch® against heat exchangers, please note that the MHI Airtorch® units often save considerable energy because of their low pressure drop. This power loss could be substantial with heat exchangers. For example, if a flow of 0.6 kg/s is driven with a 5 Bar (~90 psi) pressure, then almost ~200 kW of power could be wasted for driving the flow compared to the Airtorch® systems that offer an extremely low-pressure drop (~ 1 PSIG). Or 2000KW if the ultra-low pressure drop Airtorch® models are used for 0.1 psig.
Airtorch® Recuperator Mode. SH models accept inlet up to 800°C.
Example-Air. Use the blue-black line for steady state and cold start.
Use the purple line only in recuperator mode.
Actual: 1 m³= 35.31467 ft³
Standard value (approximate Conversion)
1 Nm³/h is ~ 0.6 SCFM
1 SCFM ~1.6 Nm³/hr.
1 MBH = 0.293 kW
The graphs below are for Air. Please contact MHI for N2, CO2, sCO2, CH4, Ar, He or other gases.
1 cu.m = 61023.8 cu.in
For cubic inch to cubic meter for an approximate result, divide the volume in cubic inches by 61023.8
Psst: A very approximate way to theoretically calculate is SCFM = KW x 3193/∆T where ∆T is in °F. Use this method (and a little margin) for temperatures below 1200°F. For higher than 1200°F Contact MHI.