Evaluation of ceramic fiber filters for hot gas cleanup in pressurized fluidized-bed combustion power plants

Technical Report · Fri May 01 04:00:00 EDT 1981

OSTI ID:6339814

Ciliberti, D F; Lippert, T E

This report describes results of testing at high temperature and high pressure (HTHP) two ceramic baghouse filter concepts for PFBC application. The first concept tested was a 19-bag arrangement supplied by the 3M Company and Buell Envirotech. These bags were of a woven fiber, operated at 0.85 and 1.7 m/min (2.8 to 5.6 ft/min), and pulse-jet cleaned on-line. The second device tested, a fibrous mat concept (referred to herein as felted) supplied by Acurex/Aerotherm, was a five-bag device that operated at higher-than-conventional filter face velocities of about 3 m/min (10 ft/min). Because of the higher filter velocity, this system was designed so that essentially off-line cleaning of individual bags could be carried out. Very promising results were obtained during the testing of both systems. Both gave 99/sup +/% overall efficiencies at 427/sup 0/C (800/sup 0/F) and 815/sup 0/C (1500/sup 0/F) at 1138 kPa (150 psig) test conditions on a test dust composed of PFBC ash and fine limestone. Both systems were able to be cleaned by the pulse-jet method, and over the period of testing apparently stable filter-clean cycles were established. Further development work is recommended on both devices for PFBC application.

• Research Organization: Westinghouse Electric Corp., Pittsburgh, PA (USA). Research and Development Center
• OSTI ID: 6339814
• Report Number(s): EPRI-CS-1846; ON: DE81903303
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
014000 -- Coal
Lignite
& Peat-- Combustion
20 FOSSIL-FUELED POWER PLANTS
200104* -- Fossil-Fueled Power Plants-- Components
42 ENGINEERING
424000 -- Engineering-- Pollution Control Equipment-- (1980-1989)
BAGHOUSES
CARBONACEOUS MATERIALS
CERAMICS
CHEMICAL REACTIONS
COAL
COMBUSTION
COMBUSTORS
DATA
ENERGY SOURCES
EQUIPMENT
EXPERIMENTAL DATA
FABRIC FILTERS
FILTERS
FLUIDIZED-BED COMBUSTION
FLUIDIZED-BED COMBUSTORS
FOSSIL FUELS
FOSSIL-FUEL POWER PLANTS
FUELS
GAS TURBINES
HOT GAS CLEANUP
INFORMATION
MACHINERY
MATERIALS
NUMERICAL DATA
OXIDATION
PERFORMANCE
PERFORMANCE TESTING
POLLUTION CONTROL EQUIPMENT
POWER PLANTS
PURIFICATION
TEST FACILITIES
TESTING
THERMAL POWER PLANTS
THERMOCHEMICAL PROCESSES
TURBINES
TURBOMACHINERY