Performance characteristics of a low pressure cyclone for axial-flow fan exhausts /

10% bleed at the cyclones' outlets significantly reduced the

Bibliographic Details
Main Author: Simpson, Shay Lynn, 1970-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1996.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:10% bleed at the cyclones' outlets significantly reduced the
1132 and 1119 Pascals (4.6 and 4.5 in. w.g.), respectively,
2D2D inlet was 1468 Pascals (5.9 in. w.g.) or less. The
at an inlet velocity of 732 m/min (2400 fpm) for high lint
average emission concentrations compared to a 0% bleed.
average emission concentrations from the ID2D LPC operating
Axial-flow fans pneumatically convey lint fiber to the first-
concentrations at an inlet velocity of 853 m/min (2800 fpm).
concentrations from testing the ID2D LPC at loading rates of
concentrations, and fractional efficiencies from this cyclone
concentrations, cut-point diameters, PMIO emission
cyclone with traditional inlet vws compared to a ID3D cyclone
cyclone's dust outlet were reported. A comparison of the
developed that could be used on axial-flow fan exhausts to
emissions. The first-stage lint cleaner is the emitting
fine dust were not significantly different than the other
fine mesh screens are the abatement devices used on a)axial-
flow fan exhausts. A new ID2D Low Pressure Cyclone (LPC) was
had a pressure drop of only 3 73 Pascals (I. 5 in. w.g.) or
ID2D LPC to ID3D and 2D2D cyclones was reported. A ID3D
ID3D cyclone with a 2D2D inlet at high lint trash/fine dust
incorporating the use of a "bleed" or suction system at the
less. The pressure drops across ID3D and 2D2D cyclones were
loading rates of high lint trash/fine dust were significantly
loadings were significantly lower than concentrations from
lower than the other three cyclones. The average emission
operating at different cyclone inlet velocities and
or less. The pressure drop across the ID3D cyclone with the
point of a gin with the highest emission rate of fine dust.
significantly reduce particulate emissions. Average emission
stage lint cleaner. typically, covered condenser drums with
The average emission concentrations from the ID2D LPC at all
the ID3D cyclone with a traditional inlet. The addition of a
The implementation of the Federal Clean Air Act Amendments
three cyclones. The average emission concentrations from the
trash/fine dust loadings were significantly lower than
will force cotton gins to reduce particulate matter
with a 2D2D type inlet. Results indicated that the ID2D LPC
Item Description:"Major subject: Agricultural Engineering".
Vita.
Physical Description:xii, 99 leaves : illustrations ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references.