Proof of concept and performance optimization of high gravity batch type centrifuge for dewatering fine coal

Technical Report · Tue Jan 22 04:00:00 EST 1991

OSTI ID:5993941

Smith, L B; Durney, Jr, T E

One objective of this project is to generate and record a data base with the prototype centrifuge. A further objective is to use the data base to determine the appropriateness of the system for coal processing and to determine how the more vital systems can be balanced so that the centrifuge can achieve optimum performance. Task 2 included the upgrading and testing of both the hardware and software of the data logging system. It also included improving and testing the data transducers as well as those support hardware systems which were preventing the logging of the primary data in real time. This task has been completed. The first sub-task in Task 3, consists of feasibility tests of the technology. In particular it is designed to demonstrate the ability of the non-blinding filter system to operate successfully over extended periods of time. The second sub-task in Task 3, demonstrates the ability of the system to dry a variety of coals from various coal fields to satisfactory moisture levels. Task 4 is designed to optimize the operation and the interactions of the six most important systems in the new centrifugal dryers. The work plan schedule called for this task to begin at the completion of Task 3. However, during the testing in Tasks 2 and 3, it became evident that it would be necessary to perform some of the Task 4 optimization ahead of schedule. The earlier test work had uncovered serious problems with some of the systems schedules to be optimized during Task 4, and so it was deemed to be appropriate to move ahead and address the problems earlier to enhance the value of Task 3. Task 4 is on schedule. 8 figs.

• Research Organization: Coal Technology Corp., Bristol, VA (USA)
• Sponsoring Organization: DOE; USDOE, Washington, DC (USA)
• DOE Contract Number: AC22-89PC88885
• OSTI ID: 5993941
• Report Number(s): DOE/PC/88885-T3; ON: DE91010553
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
010300* -- Coal
Lignite
& Peat-- Preparation-- (1987-)
BITUMINOUS COAL
BLACK COAL
CARBONACEOUS MATERIALS
CENTRIFUGES
COAL
COAL FINES
COAL PREPARATION
COMPUTER CODES
CONCENTRATORS
DATA ACQUISITION SYSTEMS
DOCUMENT TYPES
DRYERS
DRYING
ENERGY SOURCES
FEASIBILITY STUDIES
FILTERS
FLOW BLOCKAGE
FOSSIL FUELS
FUELS
MATERIALS
MOISTURE
OPTIMIZATION
PERFORMANCE
PROGRESS REPORT
REAL TIME SYSTEMS
REMOVAL
WATER REMOVAL