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Heating Water by Injection Steam
Water can be heated by injecting steam
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For some applications a direct heating of a water substance by injecting steam directly may be convenient. A direct heating system is very simple since it don't require heat exchangers. Fouling of surfaces, which may be a major problem in certain processes, are avoided.
The steam flow rate in an steam injection process can be calculated as
ms = q / (hg - (t cp)) (1)
where
ms = steam flow rate (kg)
q = heat transfer rate (kW)
hg = specific total enthalpy of the steam before the control valve (kJ/kg)
t = final temperature of the water (oC)
cp = specific heat capacity of water (kJ/kg)
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Related Topics
- Thermodynamics - Thermodynamics of steam and condensate applications
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Related Documents
- Steam and Vapor Enthalpy - Introduction and definition of vapor and steam enthalpy - specific enthalpy of saturated liquid, saturated vapor and superheated vapor
