Fulton Boiler FBS Series
FBS 01/05 4
Section
2
Description & Introductions
General
Fulton boiler standard FB-S model is a three-pass, wet back, and corrugated furnace design steam
boiler. In the first pass, the flame and high temperature flue gas flows from the front to the back of the
furnace; Though the second pass pipes, high temperature flue gas flows from the combustion furnace
to the front chamber; In the third pass, the flue gas passes through the third pass pipes to the back of
the boiler stack and vents out. Corrugated furnace highly increases the heat exchange area, heat
transfer efficiency and reduces the possible damage to the boiler durability caused by heat expansion
and cold contraction.
Boiler is designed and manufactured to comply with BS code and Chinese Boiler Standard, with
maximum working pressure of 1.0MPa (150PSI) or 1.25MPa (180PSI).
The fully packaged boiler has passed the strict test before it is delivered to the customer. The
equipment will give long life and excellent service on the job if proper operating and maintenance
instructions are followed.
FB-S boiler is a cylindrical vessel, with horizontal tubes passing through and connected to the front
and rear tube sheets. The vessel contains the water and absorbs the energy generated from the
flame. The front door and rear door provide the seal to contain the hot combustion gasses. Baffles
designed into the doors serve to redirect the combustion gasses through the various firetube
passages. The flame originates in the furnace. As the combustion gasses travel down the furnace
and through the various firetube channels, heat from the flame and combustion gasses is transferred
to the water. Transferred energy develops into the required steam or hot water.
The front door and rear door make it is easy to clean the combustion chamber. The pressure vessel
can be inspected and repaired by the manhole on the top and handholes on the side or bottom.
The general information in this manual applies directly to boilers in sizes ranging from 1 ton/hr
through 6 ton/hr steam output boiler for the following fuels:
Gas
No.2-6 Oil
No.2 Oil and Gas
Boiler equipped with fully automatic burner for two-stage operation, the fully modulating burner can
be supplied on customer’s requirement.
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