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Posted by Rick on September 08, 2004 at 14:02:39:
In Reply to: Boiler output & fuel consumption posted by Ramendran on September 04, 2004 at 01:43:02:
: I retrofitted my boiler to run on Natural gas. How do I calculate the steam output (in kg/hr) from the natural gas consumption (in Nm3/hr).
: FYI. I do not have a steam flow meter installed in my steam line.
Use the following formula:
Daily volume in cu. ft. x heating value in fuel (usually 1,025 btu/cf for natural gas)/Enthalpy in the steam (from steam tables)/factor of evaporation
factor of evaporation = enthalpy - (feedwater temp -32)/970.3