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Najran Cement Kiln By-Pass Report

The document reports measurements from the kiln bypass of Najran Cement Company's Line 2 taken on February 22, 2009 between 8 am and 5 pm. It includes the kiln feed rate, clinker production rate, site elevation and temperature, static and dynamic pressure measurements at the measuring point, gas velocity and flow rates, and the volume and mass of air per kilogram of clinker produced. The measurements indicate a kiln feed rate of 145 tonnes per hour, clinker production of 78 tonnes per hour, and air volume and mass of 0.205 cubic meters and 0.265 kilograms per kilogram of clinker respectively.

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Irfan Ahmed
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304 views2 pages

Najran Cement Kiln By-Pass Report

The document reports measurements from the kiln bypass of Najran Cement Company's Line 2 taken on February 22, 2009 between 8 am and 5 pm. It includes the kiln feed rate, clinker production rate, site elevation and temperature, static and dynamic pressure measurements at the measuring point, gas velocity and flow rates, and the volume and mass of air per kilogram of clinker produced. The measurements indicate a kiln feed rate of 145 tonnes per hour, clinker production of 78 tonnes per hour, and air volume and mass of 0.205 cubic meters and 0.265 kilograms per kilogram of clinker respectively.

Uploaded by

Irfan Ahmed
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as XLSX, PDF, TXT or read online on Scribd
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NAJRAN CEMENT COMPANY : : NAJRAN

NCC LINE-2 KILN BY-PASS REPORT


Date:22-2-2009
Time: 8 am to 5 pm
Sl.No Description Unit Value
1 Kiln Feed tph 145.000
2 Kiln feed to clinker factor kg kf/kg clinker 1.850
3 Clinker production tph 78.378
4 Site Elevatior (ASL) m 106.000
5 Corresponding site pressure mmWg 10196.450
6 Ambient temperature oC 33.000
7 Actual temperature K 306.000
8 Reference density kg/m3 1.290
9 Temperature at measuring point oC 280.000
10 Actual temperature at measuring point K 553.000
11 Avg. Static pressure mmWC -30.000
12 Avg. Dynamic pressure mmWC 3.000
13 Operating density kg/m3 0.626
14 Effective diameter of measuring point m 1.200
15 Eff. Cross sectional area at measuring point m2 1.131
16 Velocity m/sec. 8.143
m3/sec. 9.209
m3/hour 33152.956
17 Flow kg/sec. 5.769
Nm3/sec. 4.472
Nm3/hour 16098.174
18 Volume Nm3/kg clinker 0.205
19 Mass kg air/kg clinker 0.265
14.6718

5.439167

20766.64

0.250

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