| Main Title |
Predicting Pressure Loss for Pulse Jet Filters. |
| Author |
Dennis, Richard ;
Wilder, John E. ;
Harmon, Dale L. ;
|
| CORP Author |
GCA Corp., Bedford, MA. GCA Technology Div.;Industrial Environmental Research Lab., Research Triangle Park, NC. |
| Year Published |
1981 |
| Report Number |
EPA-68-02-0268 ;EPA-68-02-1438; |
| Stock Number |
PB82-143371 |
| Additional Subjects |
Air pollution control ;
Air filters ;
Dust ;
Pressure reduction ;
Adhesion ;
Cleaning ;
Reprints ;
Fabric filters ;
Pulse jet filters
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| NTIS |
PB82-143371 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
| Collation |
8p |
| Abstract |
The paper discusses the prediction of pressure loss for pulse jet filters. The analysis of pressure loss characteristics for the filters suggests that the relationship between dust adhesion to the fabric and the opposing force generated by pulse jet action plays a major role in dust removal. Hence, fabric cleanability is examined in terms of the adhesion/cohesion forces bonding the dust to the fabric vs. the intensity and frequency of the dust dislodgement forces produced by the high energy air pulses. The effect of jet size and location, jet air volume, and the intensity (pressure) and duration of the jet pulses is related to operating pressure loss. The mechanics of energy transfer from the jet pulse to the dust-laden fabric are explored in terms of jet pressure, solenoid valve action, the ratio of delivered pulse air volume to bag (tube) volume, and the elastic and flex properties of the felt bags. Effective and actual fabric dust holdings before and after cleaning are discussed with respect to steady-state dust deposition and removal rates, and operating pressure losses. Finally, predictive equations are proposed for estimating pressure loss over a broad range of design and operating parameters. |
| Supplementary Notes |
Pub. in Jnl. of the Air Pollution Control Association, v31 n9 p987-992 Sep 81. |
| NTIS Title Notes |
Journal article. |
| Title Annotations |
Reprint: Predicting Pressure Loss for Pulse Jet Filters. |
| PUB Date Free Form |
1981 |
| Category Codes |
13K; 94; 68A |
| NTIS Prices |
PC A02/MF A01 |
| Primary Description |
600/13 |
| Document Type |
NT |
| Cataloging Source |
NTIS/MT |
| Control Number |
323809553 |
| Origin |
NTIS |
| Type |
CAT |
