Coal feeder development program. Monthly technical progress report, March 21, 1978--April 20, 1978

Technical Report · Mon May 01 00:00:00 EDT 1978

DOI:https://doi.org/10.2172/6749890· OSTI ID:6749890

Mistry, D. K.

Shake down and preliminary testing in the injection mode with no external heat was initiated with the 5.5'' diameter screw feeder. The maximum coal output of 1,361 lbm/hr was obtained at a screw rotational speed of 60 rpm and an injection speed of 4.6 fpm, feeding against atmospheric pressure. The design of the pilot screw, screw tip, screw surface lubrication system and cooling system is progressing satisfactorily. The NB V12 machine and test system were prepared for spray feeding fully plasticized coal against elevated gas back pressure. Coal was sprayed into the pressure vessel at atmospheric conditions. The 3-inch experimental coal piston feeder hardware was received and assembled. The design of 9-inch experimental model is progressing satisfactorily. The bench scale inlet port testing continued during this month. The design of the first alternative seal concept is 95% complete. Scraper ring design is being investigated. Seven piston feeder test systems, based on continuous or batch operation, were generated and evaluated. Based on economic and reliability considerations a batch system was selected and is presently being designed in detail.

• Research Organization: Ingersoll-Rand Research, Inc., Princeton, NJ (USA)
• DOE Contract Number: EX-76-C-01-1794
• OSTI ID: 6749890
• Report Number(s): FE-1794-36
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
COAL GASIFICATION PLANTS
FUEL FEEDING SYSTEMS
RESEARCH PROGRAMS
COAL
EXTRUSION
PERFORMANCE TESTING
TEST FACILITIES
CARBONACEOUS MATERIALS
ENERGY SOURCES
FABRICATION
FOSSIL FUELS
FUEL SYSTEMS
FUELS
INDUSTRIAL PLANTS
MATERIALS WORKING
TESTING
010404* - Coal
Lignite
& Peat- Gasification
013000 - Coal
Lignite
& Peat- Transport
Handling
& Storage