S.J. Ling

TL;DR: In this article, two sizes of fine coal have been transported at room temperature at pressures up to 82.7 bar through horizontal lines 6.25, 9.19 and 12.5 mm in diameter and up to 105 m long using nitrogen, hydrogen, and carbon dioxide.

TL;DR: In this paper, the authors measured the saltation velocities of two fine coals in lines of 9.19 and 12.52 mm i.d. using nitrogen, carbon dioxide and hydrogen at pressures up to 82.7 bar.

TL;DR: In this paper, the performance of an entrained-flow gasification technology of pulverized coal in pilot-scale plant is introduced, and the gasifier was operated for a throughput of 30-45 t coal per day at pressures of 1-3 MPa.

TL;DR: In this paper, three choking initiation mechanisms are identified: type A (accumulative) choking occurs when solids start to accumulate at the bottom of the conveyor as the saturation gas carrying capacity is reached, type B (blower-/standpipe-induced) choking results from instabilities due to gas blower-conveyor or solids feeder-consveyor interactions where there is insufficient pressure or too limited solidsfeed capacity to provide the needed solids flow; and type C (classical) choking corresponds to a transition to severe slugging.

TL;DR: In this paper, the authors examined pickup and saltation mechanisms of solid particles from an experimental viewpoint, in relation to the prediction of the minimum conveying velocity required in horizontal pneumatic transport systems that operate in dilute-phase.

TL;DR: In this article, the effect of coal properties, coal feeding mode and the gasifier lining type on the performance of a pilot-scale entrained-flow coal gasifier with a throughput of 30 tons of coal per day was systematically investigated.

TL;DR: In this paper, a kinetic-frictional model was incorporated into the two fluid model based on the kinetic theory of granular flow to simulate three dimensional flow behaviors of dense phase pneumatic conveying of pulverized coal in horizontal pipe.