February 2014
Intermediate to advanced
417 pages
14h 51m
English
book
Industrial Air Quality and Ventilation
by Ivan Nikolayevich Logachev, Konstantin Ivanovich Logachev
Content preview from Industrial Air Quality and Ventilation
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254 Industrial Air Quality and Ventilation
© 2010 Taylor & Francis Group, LLC
TABLE 5.6
Dust Concentration in Air Evacuated from Cowls of Dust-Generating Equipment
Material Type
Aspirated Assembly
Size of Material
Particles d
(mm)
Particle
Temperature
t
M
(° C)
Moisture
Content of
Material,
w(%)
Material
Flow Rate
Gm (t/hr)
Aspiration
Volume, Q
(m
3
/hr)
Specific
Aspiration
Volume (m
3
/t)
Dust Concentration, C (mg/m
3
)
Variation
Range, C Average, C
Percentage of
Cases with
Concentration
C = (0,5 ÷ 1,5)C
1 2 3 4 5 6 7 8 9 10
Suction from cowl at conveyor loading location
Iron ore (transferred
from conveyors/
feeders/screens)
6–70 20 1–3 50–2000 500–9000 4–70 100–600 ...
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