煤半焦和沙柳炭混合物恒温共热解作用的研究

Abstract

Abstract: Thermogravimetric analysis was used to study the interaction effects of isothermal co-pyrolysis of Salix psammophila (Bsl) charcoal and 4 kinds of coal cokes. The isothermal co-pyrolysis temperatures 400, 500 and 600℃ were selected from the temperature-programmed pyrolysis of Shengli lignite (SL) to study the effects of temperature on the co-pyrolysis of Bsl charcoal and SL coal coke. The results showed that the interactions was synergy effect at 400 and 600℃,and the interaction was inhibition effect at 500℃. By analysis, the selected temperature of co-pyrolysis was 600℃. At 600℃, the isothermal co-pyrolysises of Bsl charcoal and coal cokes of different coal types at different blending ratios were analyzed. The results demonstrated that the interactions were inhibition effects for coal cokes with high content of volatilization (Huolinhe lignite and Zhunge'er coal) and synergy effect for coal cokes with medium content of volatilization(Shengli lignite and Baorixile lignite). The interaction effect of coke mixture at different blending ratios had no fixed order for different coal types.

Key words: coal, Salix psammophila, coke, isothermal co-pyrolysis, thermogravimetric analysis

CLC Number:

TQ35

WU Yan-wei, GAO Xue-yi, WANG Ke-bing, AN Shu-qi. Interaction Effect of Isothermal Co-pyrolysis of Coal Coke and Salix psammophila Charcoal blends[J]. bce, 2016, 50(1): 35-40.

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Interaction Effect of Isothermal Co-pyrolysis of Coal Coke and Salix psammophila Charcoal blends

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