Analysis of Sinter Mixture’s Drying process

doi:10.3969/j.issn.1006-396X.2012.01.016

Journal of Petrochemical Universities ›› 2012, Vol. 25 ›› Issue (1): 76-80.DOI: 10.3969/j.issn.1006-396X.2012.01.016

1.Liaoning Shihua University, Fushun Liaoning 113001, P.R.China;  2. Changzheng Engineering Co., Ltd Lanzhou Branch, Lanzhou Gansu 730050, P.R.China;  3.SEPA Key Laboratory on Eco-Industry, Northeastern University, Shenyang Liaoning 110004, P.R.China)

Received:2012-01-13 Revised:1900-01-01 Online:2012-02-25 Published:2012-02-25

烧结混合料干燥过程的解析研究

贾冯睿¹,柳璐²,王春华¹,高媛²,孙文卓¹,董辉³

1.辽宁石油化工大学;2.航天长征化学工程股份有限公司兰州分公司;3.东北大学国家环境保护生态工业重点实验室

作者简介:贾冯睿（１９８３－），男，辽宁抚顺市，讲师，博士
基金资助:
国家高技术研究发展计划（８６３计划）
（２００９ＡＡ０５Ｚ２１５）；辽宁省自然科学基金资助
项目（２０１０２０６９）；辽宁省科学技术计划项目
（２０１１２２９００４）。

Abstract

Abstract: A one-dimensional and cross flow analytical model for sinter mixture was established, and then the model was verified correctly by tunnel drier experiment. Based on these, the law and influence factors of sinter mixture during drying process were analyzed. The results show that the drying process of the sinter mixture consists of two stages, namely, a short long constant-rate stage, and a long falling-rate stage, furthermore, the drying rate in falling-rate stage is almost linear. The effect of temperature and the flow rate of the hot air to drying process are better than that of porosity and average diameter particles obviously. It is beneficial to appropriate moisture content when temperature and the flow rate of the hot air were 200~250 ℃ and 1.5 m/s, respectively.

Key words: Sinter mixture, Drying process, Drying rate, Moisture content, Analytical model

摘要： 建立了烧结混合料的一维错流干燥解析模型，并通过穿流干燥实验进行了验证，在此基础上，分析了烧结混合料干燥过程的规律以及主要影响因素。研究结果表明：烧结混合料的干燥过程由较短的恒速干燥段和较长的降速干燥段组成，且降速干燥段的干燥速率近似为直线；热风温度和风速对烧结混合料干燥过程的影响明显大于孔隙率和颗粒平均直径的影响；热风温度控制在２００～２５０℃之间，风速控制在１．５ｍ／ｓ左右利于烧结混合料获得适宜的含水率。

关键词: 烧结混合料 , 干燥过程 , 干燥速率 , 含水率 , 解析模型

JIA Feng-rui,LIU Lu,WANG Chun-hua,et al. Analysis of Sinter Mixture’s Drying process[J]. Journal of Petrochemical Universities, 2012, 25(1): 76-80.

贾冯睿,柳璐,王春华,高媛. 烧结混合料干燥过程的解析研究[J]. 石油化工高等学校学报, 2012, 25(1): 76-80.

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