碱土金属对焦炭气化反应具有正催化作用,而焦炭的气化特性影响高炉的能量利用状况.通过实验室条件下配煤炼焦试验,系统研究了添加氧化钙质量分数分别为0％,1％,2％,4％,8％,12％时对焦炭强度、气化起始反应温度、平均反应速率及表观活化能的影响.研究结果表明:当配加氧化钙质量分数为4％时,焦炭强度降低最大为7％,气化起始反应温度降低最多为80℃,平均气化反应速率增加最大,表观活化能降低最大约30％.
参考文献
| [1] | 王筱留.钢铁冶金学:炼铁部分[M].北京:冶金工业出版社,2004 |
| [2] | M. KAWAKAMI;T. KARATO;T. TAKENAKA .Structure analysis of coke, wood charcoal and bamboo charcoal by Raman spectroscopy and their reaction rate with CO_2[J].ISIJ International,2005(7):1027-1034. |
| [3] | Yutaka UJISAWA;Kaoru NAKANO;Yoshinori MATSUKURA .Subjects for achievement of blast furnace operation with low reducing agent rate[J].ISIJ International,2005(10):1379-1385. |
| [4] | Nomura S;Ayukawa H;Kitaguchi H et al.Improvement in Blast Furnace Reaction Through the Use of Highly Reactive Calcium Rich Coke[J].ISIJ International,2005,45(03):316. |
| [5] | 张代林,赵梅梅,王培珍,余亮,郑明东.影响焦炭热性质因素的研究[J].钢铁,2009(10):10-13. |
| [6] | 吴庆华,张双龙,武青文.加入活性催化添加剂提高焦炭强度试验[J].煤质技术,2007(06):19-20. |
| [7] | Kenichi HIGUCHI;Seiji NOMURA;Kazuya KUNITOMO .Enhancement of Low-temperature Gasification and Reduction by Using Iron-coke in Laboratory Scale Tests[J].ISIJ International,2011(8):1308-1315. |
| [8] | Seiji NOMURA;Kenichi HIGUCHI;Kazuya KUNITOMO;Masaaki NAITO .Reaction behavior of Formed Iron Coke and Its Effect on Decreasing Thermal Reserve Zone Temperature in Blast Furnace[J].ISIJ International,2010(10):1388-1395. |
| [9] | 左海滨,张建良,王筱留.高炉低碳炼铁分析[J].钢铁,2012(12):86-92. |
| [10] | Nomura S;Terashima H;Sato E et al.Some Fundamental Aspects of Highly Reactive Iron Coke Productio[J].ISIJ International,2007,47(06):823. |
| [11] | Atsuko Y;Hidetoshi A;Zhuang Q L et al.CO2 Gasification of Petroleum Coke With Mental Hydroxide Catalysts[J].SEKIYU GAKKAISHI-Journal OF THE JAPAN PETROLEUM INSTITUTE,1999,42(06):57. |
| [12] | 杨俊和,李依丽.吸附矿物质对焦炭溶损反应的作用[J].煤炭转化,2002(03):51-54. |
| [13] | 蔡湄夏,郭豪,张建良,张旭.铁氧化物对焦炭溶损反应的影响[J].钢铁研究学报,2009(07):8-12. |
| [14] | Rushdi A;Sharma A;Gupta R et al.An Experimental Study of the Effect of Coal Blending on Ash Deposition[J].FUEL,2004,83(09):495. |
| [15] | Przepiorski J .Deposition of additives onto surface of carbon materials by blending method - general conception[J].Materials Chemistry and Physics,2005(1):1-4. |
| [16] | Bai J;Li W;Li C Z et al.Influence of Coal Blending on Mineral Transformation at High Temperatures[J].Mining Science and Technology,2009,19(07):300. |
| [17] | 崔平,钱湛芬,杨俊和.焦炭显微强度、结构强度实验条件研究[J].钢铁研究,1999(04):3-6. |
| [18] | 张建良,张旭,郭豪,常健,左海滨,国宏伟.焦炭反应指数和溶损反应起始温度的测量方法研究[J].炼铁,2011(01):27-29. |
| [19] | 胡荣祖;高胜利;赵凤起.热分析动力学[M].北京:科学出版社,2008 |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%