1 - 7 of 7 articles
The modification of coal’s plastic and viscous properties on oxidation is studied. When coal of different ranks undergoes oxidation during open storage in heaps, its plastic and viscous properties—in particular, its plastic-layer thickness y (mm)—change in two stages. In the first, y declines...
In order to improve means of determining the electrical resistivity of coke powder, existing methods are analyzed. Their basic deficiency is that it is difficult to identify and eliminate the influence of transient electrical resistance between the electrodes and the coke-powder sample, because...
The highly reactive coke was prepared from a blended coal sample by addition of a steel slag (<0.1 mm) with 0.5 and 1 wt % blending ratios, respectively. The addition of the steel slag has little effect on the mechanical strength of the resulting cokes. The CO2-gasification reactivity of the...
The influence of the batch properties and coking technology on the size distribution of coke particles is considered. The change in granulometric composition of the coke as a function of the batch properties is analyzed for coke production at ArcelorMittal Krivoi Rog.
Ash is introduced in coke by the coal concentrates in the batch and also by the production process. In wet quenching, ash is added to the coke from the quenching water, as it evaporates. The salt content of the water is important here: with higher salt content of the water, more salts are...
The reconstruction of coke battery 1 at Isfahan steelworks is considered. The construction of a PVR-51 system at coke battery 1 (useful oven capacity 27.3 m3, with lower heating-gas supply, is described. The automatic temperature-monitoring system for coke-battery heating by coke-oven gas is...
The chemical composition and properties of fuel-shale briquets produced from tailings at the Leningradsk shale field are studied. The main problem in the processing and use of fuel shale in the electrode industry is copious ash production. At the same time, the composition of the shale’s mineral...
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