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Boiler Model Specifications

    The SA900 Demo has two boilers Unit_7 and Unit_5 that have the following boiler model loaded.  

Detail Value USCU Eng Unit
Boiler Type Two Drum Riley
Size 200000 Lbh
Pressure 400 Psi
Safety Lift Pressure 670 Psi
Superheater Temperature 750 Fahrenheit
Radiant SH section Yes
Convection SH Yes
Optimum Air Flow 105 Percent
Leakage Air 20000 Lbh
Economizer Yes
Air Heater Yes
Optimum Firing Rate 80 %Rating
Max Fueling Rate 32000 Lbh
Fans Not implemented
Interlocks Not enforced
Drum Level 3-element
Combustion Controls Parallel


<TABLE BORDER="BORDER">
<TR>
<TD>Detail</TD>
<TD>Value USCU</TD>
<TD>Eng Unit</TD>
<TD>&nbsp;</TD>
</TR>
<TR>
<TD>Boiler Type</TD>
<TD>Two Drum Riley</TD>
<TD>&nbsp;</TD>
<TD>&nbsp;</TD>
</TR>
<TR>
<TD>Size</TD>
<TD>200000</TD>
<TD>Lbh</TD>
<TD>&nbsp;</TD>
</TR>
<TR>
<TD>Pressure</TD>
<TD>400</TD>
<TD>Psi</TD>
<TD>&nbsp;</TD>
</TR>
<TR>
<TD>Safety Lift Pressure</TD>
<TD>670</TD>
<TD>Psi</TD>
<TD>&nbsp;</TD>
</TR>
<TR>
<TD>Superheater Temperature</TD>
<TD>750</TD>
<TD>Fahrenheit</TD>
<TD>&nbsp;</TD>
</TR>
<TR>
<TD>Radiant SH section</TD>
<TD>Yes</TD>
<TD>&nbsp;</TD>
<TD>&nbsp;</TD>
</TR>
<TR>
<TD>Convection SH</TD>
<TD>Yes</TD>
<TD>&nbsp;</TD>
<TD>&nbsp;</TD>
</TR>
<TR>
<TD>Optimum Air Flow</TD>
<TD>105</TD>
<TD>Percent</TD>
<TD>&nbsp;</TD>
</TR>
<TR>
<TD>Leakage Air</TD>
<TD>20000</TD>
<TD>Lbh</TD>
<TD>&nbsp;</TD>
</TR>
<TR>
<TD>Economizer</TD>
<TD>Yes</TD>
<TD>&nbsp;</TD>
<TD>&nbsp;</TD>
</TR>
<TR>
<TD>Air Heater</TD>
<TD>Yes</TD>
<TD>&nbsp;</TD>
<TD>&nbsp;</TD>
</TR>
<TR>
<TD>Optimum Firing Rate</TD>
<TD>80</TD>
<TD>%Rating</TD>
<TD>&nbsp;</TD>
</TR>
<TR>
<TD>Max Fueling Rate</TD>
<TD>32000</TD>
<TD>Lbh</TD>
<TD>&nbsp;</TD>
</TR>
<TR>
<TD>Fans</TD>
<TD>Not implemented</TD>
<TD>&nbsp;</TD>
<TD>&nbsp;</TD>
</TR>
<TR>
<TD>Interlocks </TD>
<TD>Not enforced</TD>
<TD>&nbsp;</TD>
<TD>&nbsp;</TD>
</TR>
<TR>
<TD>Drum Level</TD>
<TD>3-element</TD>
<TD>&nbsp;</TD>
<TD>&nbsp;</TD>
</TR>
<TR>
<TD>Combustion Controls</TD>
<TD>Parallel</TD>
<TD>&nbsp;</TD>
<TD>&nbsp;</TD>
</TR>
</TABLE>
</BODY>

The instructor can change the characteristics somewhat by changing the drum safety to higher pressure and changing the Framing rate and speed with the time control.