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Dear All
In Fire case when relief temperature is subject to reach up to 400°C shall be selected this value as Design temperature of tail pipe, Flare Header and K.O Drum?
Tanks a lot
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Maximum Design Temp. Of Flare Header
Started by process12, Feb 22 2009 05:32 AM
10 replies to this topic
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#2
fallah
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Posted 22 February 2009 - 05:57 AM
QUOTE (Mohamad Hasan @ Feb 22 2009, 05:32 AM) <{POST_SNAPBACK}>
Dear All
In Fire case when relief temperature is subject to reach up to 400°C shall be selected this value as Design temperature of tail pipe, Flare Header and K.O Drum?
Tanks a lot
In Fire case when relief temperature is subject to reach up to 400°C shall be selected this value as Design temperature of tail pipe, Flare Header and K.O Drum?
Tanks a lot
The maximum design temperature of the equipment and its piping connection to flare system (header,K.O. Drum,...) wouldn't be determined based on fire case.
#3
jprocess
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Posted 25 February 2009 - 01:23 AM
QUOTE
The maximum design temperature of the equipment and its piping connection to flare system (header,K.O. Drum,...) wouldn't be determined based on fire case.
Do you know any statement in relevant codes, standards or papers on this subject?
#4
Qalander (Chem)
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Posted 25 February 2009 - 02:43 AM
QUOTE (jprocess @ Feb 25 2009, 11:23 AM) <{POST_SNAPBACK}>
QUOTE
The maximum design temperature of the equipment and its piping connection to flare system (header,K.O. Drum,...) wouldn't be determined based on fire case.
Do you know any statement in relevant codes, standards or papers on this subject?
Dear Mojtaba Habibi,
I understand that you should get useful info on this through
'NFPA glossary of terms'
this probably should already be with you and is also accessable through nfpa/nec website(s)
I also posted sometime back through this very forum as an attachment.
Any help will be provided with pleasure.
Best Regards
Qalander
#5
fallah
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Posted 25 February 2009 - 02:51 AM
QUOTE (jprocess @ Feb 25 2009, 02:23 AM) <{POST_SNAPBACK}>
QUOTE
The maximum design temperature of the equipment and its piping connection to flare system (header,K.O. Drum,...) wouldn't be determined based on fire case.
Do you know any statement in relevant codes, standards or papers on this subject?
As an example: Process Sizing Criteria by TOTAL included the notes very close to above statement.
#6
Qalander (Chem)
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Posted 25 February 2009 - 03:13 AM
QUOTE (fallah @ Feb 25 2009, 12:51 PM) <{POST_SNAPBACK}>
QUOTE (jprocess @ Feb 25 2009, 02:23 AM) <{POST_SNAPBACK}>
QUOTE
The maximum design temperature of the equipment and its piping connection to flare system (header,K.O. Drum,...) wouldn't be determined based on fire case.
Do you know any statement in relevant codes, standards or papers on this subject?
As an example: Process Sizing Criteria by TOTAL included the notes very close to above statement.
Dear All, Basically this is a part of "Good Engineering Practices"
Probably by all major designers/ stakeholders, Process safety implementing organisations etc.
You should be possible to find at iternet if Googled through these key words
Best Regards
Qalander
#7
fallah
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Posted 25 February 2009 - 05:34 AM
QUOTE (Qalander (Chem) @ Feb 25 2009, 04:13 AM) <{POST_SNAPBACK}>
You should be possible to find at iternet if Googled through these key words
Which key words?
#8
jprocess
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Posted 28 February 2009 - 06:02 AM
QUOTE (Qalander (Chem) @ Feb 25 2009, 03:43 AM) <{POST_SNAPBACK}>
QUOTE (jprocess @ Feb 25 2009, 11:23 AM) <{POST_SNAPBACK}>
QUOTE
The maximum design temperature of the equipment and its piping connection to flare system (header,K.O. Drum,...) wouldn't be determined based on fire case.
Do you know any statement in relevant codes, standards or papers on this subject?
Dear Mojtaba Habibi,
I understand that you should get useful info on this through
'NFPA glossary of terms'
this probably should already be with you and is also accessable through nfpa/nec website(s)
I also posted sometime back through this very forum as an attachment.
Any help will be provided with pleasure.
Best Regards
Qalander
Dear Qalandar,
Is it possible for you to upload here the specific part which speak about ignoring fire temperatures?
#9
jprocess
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Posted 28 February 2009 - 06:04 AM
QUOTE (fallah @ Feb 25 2009, 03:51 AM) <{POST_SNAPBACK}>
QUOTE (jprocess @ Feb 25 2009, 02:23 AM) <{POST_SNAPBACK}>
QUOTE
The maximum design temperature of the equipment and its piping connection to flare system (header,K.O. Drum,...) wouldn't be determined based on fire case.
Do you know any statement in relevant codes, standards or papers on this subject?
As an example: Process Sizing Criteria by TOTAL included the notes very close to above statement.
I did some review but could not find anything whithin Total docs. Could you please write here the mentioned statement?
#10
fallah
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Posted 01 March 2009 - 02:14 AM
QUOTE (jprocess @ Feb 28 2009, 07:04 AM) <{POST_SNAPBACK}>
I did some review but could not find anything whithin Total docs. Could you please write here the mentioned statement?
5.2.5 The exceptional temperature generated by fire will not be considered to specify the design
temperature selection.
#11
Qalander (Chem)
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Posted 01 March 2009 - 04:42 AM
QUOTE (fallah @ Mar 1 2009, 12:14 PM) <{POST_SNAPBACK}>
QUOTE (jprocess @ Feb 28 2009, 07:04 AM) <{POST_SNAPBACK}>
I did some review but could not find anything whithin Total docs. Could you please write here the mentioned statement?
5.2.5 The exceptional temperature generated by fire will not be considered to specify the design
temperature selection.
Dear All,
fallah's above clarification should suffice as an answer to the OP's query
on relieving system/piping temperature designing;never on the fire case in general.
Moreover we must keep in mind that Piping and system should and most usually does take care of
'Most Prevalent' Weather and/or process environment, conditions related point high and low temperatures.,
I hope this is helpful in general.
Best regards
Qalander
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