Valves - current operating experience of slurry valves (block and letdown) in coal liquefaction processes. Third quarter report Page: 28 of 56
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Performance of the Cameron and Kieley-Mueller valves were more
promising than other valves tried. The Cameron valve in the LV-202B service
performed the best of the six (6) valves evaluated. The Kieley-Mueller
valves performed the best of three valves evaluated for the LV-204B service.
The Cameron valve set a record for the H-Coal pilot plant operation. It
processed 2772.7 tons of coal over a period of 387.5 hrs. The Kieley-
Mueller valves processed 4092.2 tons of coal over a period of 554 hrs. For
future runs, the LV-202 valve sizing for the Cameron 1" and that of the
Kieley-Mueller of 5/8" will be reduced to 1/2"; while the LV-204B valve
trim of 5/8" of the Kieley-Mueller will be retained. A new Cameron
trim of 3/4" will be evaluated in future LV-204 service.
Future progress in the high pressure letdown valve system is anticipated.
Better results are expected from the Cameron (Figure 3) and Kieley-
Mueller (Figure 4) valves. Three other valve types will be evaluated:
1) Masoneilan valves (Figures 5A and 5B); 2) the Paul valve (Figure 6); and
3) the Hammel Dahl valve (Figure 7).-20-
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Valves - current operating experience of slurry valves (block and letdown) in coal liquefaction processes. Third quarter report, report, 1981; Miamisburg, Ohio. (https://digital.library.unt.edu/ark:/67531/metadc672986/m1/28/: accessed April 23, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.