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What boiler power is needed for 500 kg of steam per hour

Enter the required steam and pressure to get the boiler heat output and approximate fuel consumption for the efficiency.

Parameters

Result

Approximate calculation using a simplified model: for designing equipment and process modes, consult a technologist.

Calculation example

What is known
Required amount of steam, kg/h
Steam required
500 kg/h
Steam pressure (gauge), bar
6
Feed water temperature
70 °C
Boiler efficiency on fuel
90 %
Steam
500 kg/h
Useful thermal power
343 kW
Fuel power
381 kW
Natural gas (approx.)
40,4 m³/h
Saturated steam temperature
165 °C
Feed water including blowdown
0,53 m³/h
Steam per 1 kW of power
1,46 kg/h

Frequently asked questions

What feed water temperature to use?
The warmer the feed water (deaerator, condensate return), the less fuel per unit of steam.

The calculations are approximate: they help to assess the process and compare options, but do not replace a process design and trials on a specific raw material. This section is for reference only and contains no commercial offers.