Paper Title:
Durability of Ceramic Filter for Hot Gas Cleaning
  Abstract

A porous filter was manufactured using cordierite powder by an extrusion method. The filter had an apparent porosity of 58% and a compressive strength of 10 MPa. Pulse cleaning process affected the durability of the filter. We investigated the effect of operating conditions of a hot gas cleaning system using ceramic filter, thermal shock and pressure shock on durability. When pulse cleaning was repeated periodically, the baseline differential pressure was relatively higher. On the other hand, when we repeated pulse cleaning per specific maximum differential pressure we could improve the durability of the filter. In our test conditions, thermal shock is the most important factor decreasing the durability of the filter. Pressure shock didn’t deteriorate the durability of the filter. However thermal shock caused the formation of cracks at the filter surface. This will lead to an increasing of the baseline differential pressure by depth filtration of dust and decrease the durability of the filter.

  Info
Periodical
Key Engineering Materials (Volumes 317-318)
Edited by
T. Ohji, T. Sekino and K. Niihara
Pages
713-716
DOI
10.4028/www.scientific.net/KEM.317-318.713
Citation
M. C. Shin, J. S. Cha, J. H. Lee, S. H. Lee, H. S. Lee, "Durability of Ceramic Filter for Hot Gas Cleaning", Key Engineering Materials, Vols. 317-318, pp. 713-716, 2006
Online since
August 2006
Export
Price
$32.00
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