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Introduction
Fire Tube Steam Boilers are the most traditional technique for the production of saturated steam, high pressure hot water or superheated steam for a range of outputs from 250 to 50 000 kg/h (175 to 34 000 kW).
Operating Principle
Steam is generated by heating a large volume of water in a pressurised drum by means of hot gases, which are produced from the combustion of liquid or gaseous fuels circulating through submerged tubes.
The large volume of pressurised stored water is used to resolve the standard potential variables that affect all boiler type systems, including variations in the feed water, fuel and combustion quality and temperatures and importantly steam load variation.
Advantages of Fire Tube Steam Boilers
- Optimised heat exchange by radiation and convection
- Constant efficiency which can exceed 97%in the range from 30 to 100% of the load
- Suitable for wide output variations
- High quality steam (dryness higher than 99,5%) due to the integrated steam separator
- Availability higher than 97%
- Effective boiler / burner combination and CE marking of the total construction
- Compliance with environmental standards including exhaust gas (NOX, CO) and efficiency
- Fully packaged factory assembled and tested
- Broad range of outputs available
- Innovative monitoring, suitable for integration into industrial systems of control and for connection to the network of Babcock Wanson tele-diagnosis
- Reliable and robust
- Maintenance contract available with up to six years guarantee on the burner and the boiler shell
