Chemical Engineering May 2013 - 47

F-1
Feature Report
Specify your fuel type
II
I- Gaseous fuel
II- Fuel oil or combination firing
I
Measure fired-heater excess air,
in case of too much excess air or
draft, adjust damper and registers.
Yes
Is your problem solved?
See Also: How to adjust draft
and excess air? (Reference 1)
No
Seek
engineering
consultancy
No
Lack of combustion air. Increase
combustion air amount by opening
registers and main damper
immediately. After stabilizing
condition, adjust draft and
excess air.
Is your problem solved?
See also: How to adjust draft
and excess air? (Reference 1)
Seek
Yes
engineering
consultancy
End troubleshooting
procedure
Figure 10. Troubleshooting algorithm
for undesirable flame color (Part 1)
F-2
No
Do you see sparks
in the flame?
Yes
Too much atomizing steam is used,
balance atomizing steam to fuel oil ratio.
Is your problem solved?
No
Examine your fuel oil, possibly high
content of ash and impurities in fuel oil.
Seek engineering consultancy to solve
your fuel problem.
Done
Yes
Too much fuel oil is used, balance
atomizing steam to fuel oil ratio.
Measure fired-heater excess air, in
case of too much excess air or draft,
adjust damper and registers.
Is your problem solved?
See Also: How to adjust draft
and excess air? (Reference 1)
Yes
Figure 11.
Troubleshooting
algorithm for
undesirable flame
color (part 2)
Done
End troubleshooting
procedure
ChemiCal engineering www.Che.Com may 2013 45
Is your problem solved?
No
No
Seek
engineering
consultancy
Yes
Poor atomization, because of
plugged oil guns. Check oil guns,
if they are plugged clean them.
Is your problem solved?
No
Poor atomization, because of
improper fuel-oil temperature. Seek
engineering consultancy to solve
your fuel temperature problem.
Yes
1
Specify flame color:
1-Luminus yellow
2- Dark orange or light brown
2
Lack of combustion air. Increase
combustion air amount by opening
registers and main damper and
adjust excess air and draft
according to proper instructions.
Is your problem solved?
See also: How to adjust
draft and excess air?
(Reference 1)
No
PA
Go to Point T
in Figure 8
No
1
1-Luminus blue
2- Yellow
3- Dark orange or brown
3
Specify flame color
2
Measure fired-heater excess air,
in case of low excess air or draft,
adjust damper and registers.
Yes
Is your problem solved?
See also: How to adjust draft
and excess air? (Reference 1)
Go to Point F-2
in Figure 11
Yes
Is burner tip
damaged?
No
Yes
Poor atomization problems exist.

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Chemical Engineering May 2013

Table of Contents for the Digital Edition of Chemical Engineering May 2013

Contents
Chemical Engineering May 2013 - Cover1
Chemical Engineering May 2013 - Cover2
Chemical Engineering May 2013 - Contents
Chemical Engineering May 2013 - 2
Chemical Engineering May 2013 - 3
Chemical Engineering May 2013 - 4
Chemical Engineering May 2013 - 5
Chemical Engineering May 2013 - 6
Chemical Engineering May 2013 - 7
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Chemical Engineering May 2013 - Cover3
Chemical Engineering May 2013 - Cover4
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