6.11 A pulse-jet baghouse is desired for a finished cement plant. Cal- culate the number of bags required to filter 500 mmin of air with a dust loading of 3.0 g/m³. Each bag is 3.0 m long wvith a 0.13 m diameter. If the average preesure drop is 1.0 kPa and the main fan is 60% efficient, calculate the fan power in kW. If the pulse air volumetric flow rate is 0.5% of the filter airflow rate and the pulse air pressure is 6.0 atm, calculate the power dirawn by a 50% efficient compressor (in kW).

6.11 A pulse-jet baghouse is desired for a finished cement plant. Cal- culate the number of bags required to filter 500 mmin of air with a dust loading of 3.0 g/m³. Each bag is 3.0 m long wvith a 0.13 m diameter. If the average preesure drop is 1.0 kPa and the main fan is 60% efficient, calculate the fan power in kW. If the pulse air volumetric flow rate is 0.5% of the filter airflow rate and the pulse air pressure is 6.0 atm, calculate the power dirawn by a 50% efficient compressor (in kW).

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Types of Cement

Cement is a fine mixture of limestone, chalk, or marl and clay which when mixed with water, becomes compacted due to the formation of strong molecular bonds. Due to hydration, cement turns into a hard mass when left for a sufficient amount of time upon mixing with water. The water turns the cement compounds into gel-like submicroscopic particles having higher surface areas. It is due to the hydration properties of cement, they are often known as hydraulic cement. For instance, Portland cement is a popular example in this category.

Question

Estimate the total installed cost (in 1998 dollars) of the baghouse of Problem 6,11, assuming it is mild steel, is uninsulated, and uses 6-inch Nome^ bags on cages that snap in from the top, with built-in venturis.

6.11 A pulse-jet baghouse is desired for a finished cement plant. Cal-
culate the number of bags required to filter 500 mmin of air
with a dust loading of 3.0 g/m³. Each bag is 3.0 m long wvith a
0.13 m diameter. If the average preesure drop is 1.0 kPa and the
main fan is 60% efficient, calculate the fan power in kW. If the
pulse air volumetric flow rate is 0.5% of the filter airflow rate
and the pulse air pressure is 6.0 atm, calculate the power dirawn
by a 50% efficient compressor (in kW).

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