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construction and working of cupola furnace ppt


Posted by:
Created at: Tuesday 16th of October 2012 03:15:48 PM
Last Edited Or Replied at :Tuesday 16th of October 2012 03:15:48 PM
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sir, i want to get working of cupola and its c..................[:=> Show Contents <=:]



DESIGN AND MODELLING OF CUPOLA full report


Posted by: seminar topics
Created at: Wednesday 17th of March 2010 09:07:01 PM
Last Edited Or Replied at :Saturday 05th of March 2011 12:51:23 AM
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DROPPING DOWN THE BOTTOM
All the contents are allowed to melt till one or two charges are left above the coke bed
Blast is shut off, the drop door is opened
and remains in the cupola is removed

ZONES
WELL
COMBUSTION ZONE
REDUCING ZONE
MELTING ZONE
PREHEATING ZONE
STACK ZONE
COMBUSTION ZONE
15-30 cm above the tuyeres
1550-1850 0c
C+O2CO2+heat
2Mn+o2Mno2+heat
Si+O2SiO2+heat
REDUCTION ZONE
Top of combustion zone to the top of the coke bed
CO2+C2CO-Heat
MELTING ZONE
It starts from first layer of metal charge to a
ht of 90 cm
3Fe+2COFe3C+CO2
1600c

PREHEATING ZO..................[:=> Show Contents <=:]



working principle of zigbee technology pdf


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Created at: Friday 23rd of November 2012 12:37:37 PM
Last Edited Or Replied at :Friday 23rd of November 2012 12:37:37 PM
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q inputs to 250kHz. Specify -FREQ
Additional I/O
Extra analogue and digital inputs and outputs are available
through the ISO-SLICE slice I/O modules...................[:=> Show Contents <=:]



construction and working of cupola furnace ppt


Posted by:
Created at: Tuesday 16th of October 2012 03:15:48 PM
Last Edited Or Replied at :Tuesday 16th of October 2012 03:15:48 PM
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sir, ..................[:=> Show Contents <=:]



construction of cupola furnace detail


Posted by: kishorvirani
Created at: Saturday 05th of March 2011 12:32:31 AM
Last Edited Or Replied at :Saturday 05th of March 2011 12:32:31 AM
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Hi I am kishor virani Studing in diploma Engg. in metallurgy in Gandhy college at surat. I was select a project ' MODEL OF CUPOLA FURNACE '. So its related any..................[:=> Show Contents <=:]



DESIGN AND MODELLING OF CUPOLA full report


Posted by: seminar topics
Created at: Wednesday 17th of March 2010 09:07:01 PM
Last Edited Or Replied at :Saturday 05th of March 2011 12:51:23 AM
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ned
Damaged firebricks are replaced
Repairing and patching of refractory lining
Ramming of sand bed
Drop door is closed ,when the furnace is reconditioned

LIGHTING THE FIRE IN THE COKE BED

Cupola is started 3hr before the molten metal is to be poured
Soft and dry pieces of wood is placed over the sand bed
Coke is placed over the wooden pieces
Air enters through the tuyeres
Electric spark igniters and gas torches are also used for ignition

CHARGING OF CUPOLA

Charged from the charge door
Alternate layers of Limestone (flux), Iorn, Coke (fuel) up to charge door
Sod..................[:=> Show Contents <=:]



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