An advanced hybrid particulate-removal integrates electrostatic precipitation
and fabric filter technology Xu Qing1 Ruan Xiao2. (1. Department of Thermal
Engineering,Tsinghua University,Beijing 100084;2. Xinhua Water Conservancy and
Hydroelectricity Investment Co., Beijing 100053)
Abstract: The theory and design of an advanced hybrid
particulate-removal integrates electrostatic precipitation and
fabric filter technology were reviewed as well as the key
learnings and performance data generated during operating a
field pilot unit at Otter Tail Power's Big Stone generating
site.
This performance data was used to size and design two full-scale
demonstration applications of this technology. One application
was the installation of a new ADVANCED HYBRIDTM filter to
replace an existing electrostatic precipitator
(ESP) on a cement kiln in Italy. The other application was
retrofitting the existing ESP at Otter Tail's Big Stone site to
an ADVANCED HYBRIDTM filter design capturing the fly ash from a
cyclone-fired boiler burning Powder River Basin (PRB) coals.
These units have exhibited stable operating levels while
cleaning the filter bags on-line and meeting particulate matter
(PM) capture efficiency levels greater than 99.99%.
