Steam tables, steam cost, fuels, boiler efficiency, blowdown, condensate, flue gas and stacks.
Calculate steam cost per ton, fuel consumption and the savings from switching between gas, oil, propane and biomass, with payback and NPV.
Cost per ton, fuel use, wood, gas or oilCalculate the flash steam fraction and the fuel, water and treatment savings from more condensate return, with payback and NPV.
Flash fraction, water, fuel, returnCompare the cost per useful GJ of wood, chips, bagasse, natural gas, propane, fuel oil and electricity, with biomass LHV by moisture (ISO 18125).
LHV by moisture, cost per useful GJEstimate boiler efficiency from losses (O₂ and stack temperature), the minimum blowdown from TDS and the savings from combustion tuning, an economizer and blowdown heat recovery.
O₂, stack, blowdown, economizer, flashSaturation temperature, enthalpy, latent heat, entropy and specific volume of saturated, wet and superheated steam from IAPWS-IF97, with a T-s diagram and a downloadable table.
Saturated, superheated, wetCompute flue gas flow in Nm³/h and at actual temperature, excess air from O₂, water and sulfuric acid dew points and natural stack draft, with preliminary stack diameter sizing.
Nm³/h, acid dew point, draftAdd up pressure drop in each round or rectangular hot gas duct section, its bends and equipment, find ID fan pressure and flow and the payback of replacing damper control with a VFD.
Sections, equipment, fan pressureImportant notice: Indus Metrics tools produce estimates and pre-sizing results from the data you enter and from published engineering methods. They do not replace design, calculations or reports signed by a licensed professional engineer (PE), nor verification against the applicable codes, standards and regulations, such as OSHA rules and the ASME codes. Material and fuel properties vary: check manufacturer data or your own process analyses before deciding. By using this site you agree to the Terms of Use.
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