Detecting method of liquid-phase generation characteristics of sintered iron ore
A technology for generating characteristics and detection methods, applied in the investigation stage/state change, etc., can solve problems such as complex detection process, inconspicuous correspondence between sintering effects, and assimilation that cannot fully reflect the liquid phase generation behavior, and achieve detection The results are accurate, the measurement method is simple, and the detection speed is fast.
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preparation example Construction
[0054] (3) Preparation and installation of the triangular cone: Press the triangular cone in the model and install it on the supporting plate.
[0055] Test phenomenon and characteristics
[0056] (1) The experimental phenomenon of the characteristic temperature of liquid phase formation and the judgment of its characteristics (see the schematic diagram Figure 4 ):
[0057] 1) The temperature at which the liquid phase begins to form (Ts): refers to the temperature at which the tip of the triangular cone begins to become rounded or bent. The criterion for judging is that the initial height / final height of the triangular cone is (123±3)%;
[0058] 2) Complete formation temperature of the liquid phase (Te): refers to the temperature when the triangular pyramid is bent until the tip of the cone touches the supporting plate or when the cone shrinks into a crown spherical shape. The judgment criterion is that the width / height of the crown spherical shape is (145±5)% ;
[0059] 3...
Embodiment
[0070] The following two groups of experiments, one for Australian mines and one for Indian mines. Each set of tests consisted of two ores, from the same country, and their chemical composition and particle size composition were similar. The effect of liquid phase formation characteristics on the quality index of sintered ore was studied.
[0071] (1) Taking two kinds of Australian flour as examples, it can be seen from Table 1 that the chemical composition and particle size composition of Australian flour-1 and Australian flour-2 are roughly similar. The effects of the liquid phase formation characteristics of the two Australian ores on the sinter output, quality, and energy consumption indicators are shown in Table 2. It can be seen that the temperature at which the liquid phase begins to form, the temperature at which the liquid phase is completely formed, and the temperature at which the liquid phase flows freely are compared to Aofen-1 is lower, and the formation speed i...
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