5th International Symposium on High Temperature - download pdf or read online

By Tao Jiang,Jiann-Yang Hwang,Mark E. Schlesinger, et al.John Wiley & Sons, Inc.|Wiley||Wiley-TMSAdult NonfictionScience, TechnologyLanguage(s): EnglishOn sale date: 07.02.2014Street date: 10.01.2014Preview

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Figure 3. Dried Laterite Briquettes Figure 4. 6 m in diameter and 16 m in length (Fig. 5). The main accessory equipments are kiln shell fans, seal devices at the head and tail of the kiln, double pendulum valves for feeding and discharging, feeding system, and pulverized coal injection system (Fig. 6). Figure 6. Coal injection tube and igniter at the head of kiln Figure 5. 5°. Material feeding parameters are 250~375 kg/h laterite briquettes, 120~200 kg/h reducing coal and 4~15 kg/h limestone. The operating temperatures of different locations in rotary kiln are: feeding section temperature is in the rang of 800~950 oC, reduction section temperature is 980~1050 oC, and discharging section temperature is 900 oC.

Further, the chemical analysis was performed. Figure 2. Flowsheet of the experimental The process of briquetting was carrying out using DY-20. In this paper, the feasibility of preparation of ferronickel alloy nugget with rotary hearth furnace combined with magnetic separation was investigated using the resistance furnace simulating the conditions of rotary hearth furnace. The heating element of resistance furnace is MoSi 2 , and the highest temperature is 1500ć. 1 Effect of CaO content In the paper, the laterite briquettes were reduced at different basicity to determine the effect of CaO content on nickel concentration.

The fitted Raman spectrum under H2/H2O gas atmosphere at 1550ࣙC. Table III. Peak parameters of the peaks of Raman spectra under H2/H2O at 1550ࣙC. 1 0 Q Stretching of Al–O–M Q1 Stretching of Al–O–M Q2 Asymmetric stretching of Si–O–M 16 Based on Raman analysis, the order of the atmospheres with respect to the sum of the area % of the most depolymerized species (Q0+Q1) is CO/CO2 (77%) > H2/H2O (41%) > CO/CO2/H2/H2O (38%). This confirms the fact that the silicate melts show more dissociation under a CO/CO2 gas mixture than under the two other atmospheres.

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