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Calciner Resitence Time

The document provides operational parameters for a cement kiln including: - Clinker production of 142.1 MTPH at a clinker factor of 1.67. - Kiln feed of 261 stph and coal feed rates of 5.45 MTPH for kiln coal and 7.5 MTPH for calciner coal. - Calciner exit temperature of 882.22222 Deg C at a pressure of -127 mmwg with a gas density of 0.318 kg/m3 and velocity of 5.908 m/s inside the calciner.

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Irfan Ahmed
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1K views2 pages

Calciner Resitence Time

The document provides operational parameters for a cement kiln including: - Clinker production of 142.1 MTPH at a clinker factor of 1.67. - Kiln feed of 261 stph and coal feed rates of 5.45 MTPH for kiln coal and 7.5 MTPH for calciner coal. - Calciner exit temperature of 882.22222 Deg C at a pressure of -127 mmwg with a gas density of 0.318 kg/m3 and velocity of 5.908 m/s inside the calciner.

Uploaded by

Irfan Ahmed
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as XLSX, PDF, TXT or read online on Scribd
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Elevation 427 m

Borometric pressure 9794 mmwg


Kiln kiln feed 261 stph
Clinker factor 1.67 Total kiln gas
Clinker production 142.1 MTPH Gas from CO2 2899.5812
Kiln coal 5.45 MTPH L Min 55147.636
Calciner coal 7.5 MTPH Excess air 1.3
AFR in Calciner 2.7 MTPH Mass of combustion gas 71691.927
Coal NCV 7120.0 Kcal/Kg Mass of fuel completely burnt 5454.5455
AFR NCV 4000.0 Kcal/Kg Total kiln gas 80046.054
Sp. Fuel consumption 726.0 Kcal/kg CK
% Bypass 5%
Bottom cyclone LOI 2.0 %
Kiln inlet O2 5
Calciner exit O2 3
Stage 5 LO1 29 %
Mass of bypass gas 4002.3 Kg/hr Calciner exit temp 882.22222
Primary air 7127 Kg/hr Clciner exit pressure -127
Kiln conveying air 3500 Kg/hr Gas density 0.318
Calciner coal conveying air 3500 Kg/hr
AFR conveying air 3500 Kg/hr
Total L min (kiln and calciner) 146466.55 Kg/hr
Excess air 1.21
Mass of combustion gas 177224.52 Kg/hr
Mass of fuel completely burnt 15681.818 Kg/hr
Gas from CO2 58032.463 Kg/hr
False air in kiln 0.024 kg/kg cl
False in the smoke chamber 0.049 kg/kg cl
Total false air 10371.802 Kg/hr
Total gas in the calciner exit 274935.3 Kg/hr
Total volume 865532 m2/hr

Calciner dia 7.2 m


Calciner height 16 m
Cross sectional area 40.6944 m2
Velosity in the calciner 5.908 m/s
Resistance time 2.71 sec
Kg/hr
Kg/hr

Kg/hr
Kg/hr
Kg/hr

Deg C
mmwg
kg/m3

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