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Posted by Gburns on March 23, 2002 at 11:00:15:
In Reply to: steam produced by one cubic metre of natural gas posted by zaib on March 23, 2002 at 02:19:19:
There are about 1000 btu/ft3 and a cubic meter is 35.308 cubic feet therefore there would be about 35,308 btu/m3 and of that 32,483.36 btu would be transfered to steam based on 92% efficiency. Assuming 250 deg F (121.1 deg C) feed water temp (220.67 btu/lb) and 800 Psig (5.62 MPa) header pressure at 850 deg F (454.44 deg C) (1426.9 btu/lb), approximately 26.93 lbs (12.2 kg) of steam would be produced.
The actual amount of steam will depend on what conditions you have coming in and what conditions you want going out. Burning natural gas boiler industrial boiler efficiencies are typically about 75%.
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