Application potential and prospect of superheated steam drying of wood.
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摘要: 为了提高木材干燥质量及生产效率,对过热蒸汽在干燥中的应用和理论研究进行了综合评述。将其他行业过热蒸汽干燥的研究成果进行归纳,结合木材干燥的特点,探讨木材过热蒸汽干燥的应用潜力。文中分析了过热蒸汽干燥工艺对被干燥材料的干燥速率、干燥质量、物理力学性能及微观构造的影响;对过热蒸汽干燥过程中的传热传质规律以及建立的过热蒸汽干燥数学模型进行了阐述和分析,为更好地建立和完善木材过热蒸汽干燥数学模型及干燥工艺奠定基础;最后对木材过热蒸汽干燥工艺的制定和研究提出了建议,并对完善过热蒸汽干燥机理研究以及传热传质理论进行了展望。Abstract: The application and theoretical study of superheated steam drying are summarized in this paper in order to improve wood drying quality and production efficiency. The outcomes of superheated steam drying in other industries are searched, and their application potential in superheated steam drying of wood is discussed based on wood drying characteristics. The effects of superheated steam drying techniques on drying rate, drying quality, physical and mechanical properties and microstructure of materials are analyzed. The rule of heat and mass transfer and mathematical models of superheated steam drying are described and analyzed in an attempt to establish and improve mathematical model and technology of wood superheated steam drying. Finally, the prospects and suggestions are proposed for research and application of wood superheated steam drying.
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Keywords:
- superheated steam /
- wood drying /
- heat and mass transfer
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[1] CAO C W,LIAN Z G. Characteristics and mechanism of superheated steam drying[J] . Journal of Nanjing Forestry University,1997,21(Suppl.1):35-38.
[1] 曹崇文,连政国.过热蒸汽干燥的机理与特性[J] .南京林业大学学报,1997,21(增刊1):35-38. [2] 艾沐野,寇福岩.我国常规木材干燥设备使用状况初探[J] .木材工业,1997,11(4):32-33. [2] AI M Y,KOU F Y. Study on conventional wood drying kilns in China[J] . China Wood Industry,1997,11(4):32-33.
[3] MEI G H,REN L Y,REN Z H,et al. Characteristics of air and superheated steam drying[J] . Journal of Northeastern University:Natural Science,2001,22(3):275-278.
[3] 梅国晖,任立义,任朝晖,等.空气和过热蒸汽干燥特性的对比[J] .东北大学学报:自然科学版,2001,22(3):275-278. [4] 谢拥群,张璧光.我国木材干燥技术与研究动态[J] .干燥技术与设备,2009,7(4):147-152. [4] XIE Y Q,ZHANG B G. Review of wood drying technology and research trends in China[J] . Drying Technology Equipment,2009,7(4):147-152.
[5] SHI Y C, LI J, LI X Y, et al. Research progress of the superheated steam dryingtechnology[J] . Drying Technology Equipment,2012,10(1):3-9.
[5] 史勇春,李捷,李选友,等.过热蒸汽干燥技术的研究进展[J] .干燥技术与设备,2012,10(1):3-9. [6] 连政国.过热蒸汽干燥理论与实验研究[D] .北京:中国农业大学,1998. [6] LIAN Z G.Theoretical and experimental study on superheated steam drying[D] .Beijing: China Agricultural University,1998.
[7] MUJUMADR A S.干燥过程原理与设备及新进展 [M] .史勇春,译.济南:济南出版社,2002. [7] MUJUMADR A S. Principle and equipment of drying process and new progress[M] . SHI Y C,tran. Jinan :Jinan Press,2002.
[8] 洪凯. 过热蒸汽干燥工艺技术及设备研究 [D] .福州:福建农林大学,2014. [8] HONG K. Study on the process of superheated steam drying and its equipment[D] . Fuzhou:Fujian Agriculture and Forestry University,2014.
[9] 马怡光.城市污泥过热蒸汽干燥试验研究[D] .南昌:南昌航空大学,2013. [9] MA Y G. The test study on sewage sludge drying under superheated steam[D] . Nanchang :Nanchang Hangkong University,2013.
[10] TANG Z, CENKOWSKI S, MURI W E. Dehydration of sugar-beet pulp in superheated steam and hot air[J] . Journal of Electronic Packaging,2000,43(3):685-689.
[10] CHEN J Y,MA X J,BAI L Q,et al. Study on drying ethanol draff with intermittent superheated steam[J] . Chemical Engineering,2010,38(1):14-17.
[11] 陈俊英,马晓建,白丽青,等.过热蒸汽间歇干燥酒精糟研究[J] .化学工程,2010,38(1):14-17. [11] MA S C. Research on drying technology for Schima superba thick timber[J] .Scientia Silvae Sinicae,2004,40(1):189-192.
[12] BOVORNSETHANAN S,WONGWISES S. Drying parawood with superheated steam[J] . American Jounral of Applied Science,2007,4(4):215-219.
[12] MA S C,YANG W B. Research on drying technology for Italian poplar thin board[J] . Scientia Silvae Sinicae,2005,41(6):147-149.
[13] HUANG X L,XIAO B,WANG Z H,et al. Mechanical characteristics of rice dried with superheated steam[J] . Transactions of the Chinese Society for Agricultural Machinery,2014,45(2):199-203.
[13] PANGS S. External heat transfer in moist air and superheated steam for softwood drying[J] .Chinese J Chem Eng,2004,12(6):762-766.
[14] YUAN W,ZHANG S Y. Use of superheated steam drying to increase strength and bulk of papers produced from diverse commercial furnishes[J] . World Pulp and Paper,2009,28(1):30-33.
[14] HAQUE M N,SARGENT R. Standard and superheated steam schedules for radiata pine single-board drying: model prediction and actual measurements[J] . Drying Technology,2008,26(2):186-191.
[15] WANG W B,FU X H,LI X Y,et al. Theoretical analysis and experiment of heat and mass transfer process in superheated steam drying[J] . Journal of Agricultural Mechanization Research,2010,32(10):33-36.
[15] HASIBUAN R,DAUD W R W. Quality changes of superheated steam-dried fibers from oil palm empty fruit bunches[J] . Drying Technology,2009,27(2):194-200.
[16] SRISANG N,VARANYANOND W,SOPONRONNARIT S,et al. Effects of heating media and operating conditions on drying kinetics and qualityof germinated brown rice[J] . Journal of Food Engineering,2011,107(3):385-392.
[16] YANG S M,TAO W S. Heat transfer[M] . Beijing: Higher Education Press,1998.
[17] 马世春.荷木厚板材干燥工艺的探索[J] .林业科学,2004,40(1):189-192. [17] WANG H T,LI Z Y. Comparative analysis of energy utilization of superheated steam drying and hot air drying under atmospheric pressure [J] . Tianjin Chemical Industry,2006,20(1):56-58.
[18] 马世春,杨文斌.意杨薄板材干燥工艺研究[J] .林业科学,2005,41(6):147-149. [18] ZHANG X K,SU Z W,WANG X C,et al. Analysis of moisture diffusion and activation energy in superheated steam and hot air sludge thin layer drying[J] . Transactions of the Chinese Society of Agricultural Engineering,2013,29(22):226-235.
[19] 黄小丽,肖波,王振华,等.过热蒸汽干燥稻米力学特性试验[J] .农业机械学报,2014,45(2):199-203 [19] SIAU J F. Transport processes in wood[M] .XIAO Y H,tran. Beijing: China Forestry Publishing House,1989.
[20] 袁玮,张思洋.利用过热蒸汽干燥改善纸张的物理性能[J] .国际造纸,2009,28(1):30-33. [21] YAMSAENGSUNG R,TABTIANG S. Hybrid drying of rubberwood using superheated steamand hot air in a pilot-scale[J] . Drying Technology,2011,29(10):1170-1178.
[22] SPECKHAHN A,SRZEDNICKI G,DESAI D K. Drying of beef in superheated steam[J] . Drying Technology,2010,28(9):1072-1082.
[23] IYOTA H,NISHIMURA N,ONUMA T, et al. Drying of sliced raw potatoes in superheated steam and hot air[J] . Drying Technology,2001,19(7):1411-1424.
[24] SOMJAI T,ACHARIYAVIRIYA S, ACHARIYAVIRIYA A,et al. Strategy for longan drying in two-stage superheated steam and hot air[J] .Journal of Food Engineering,2009,95:313-321.
[25] RUMRUAYTUM P,BOROMPICHAICHARTKUL C, KONGPENSOOK V. Effect of drying involving fluidisation in superheated steam on physicochemical and antioxidant properties of Thai native rice cultivars[J] . Journal of Food Engineering,2014,123(2):143-147.
[26] 王维斌,傅宪辉,李选友,等.过热蒸汽干燥传热传质特性的理论分析与试验[J] .农机化研究,2010,32(10):33-36. [27] 杨世铭,陶文栓.传热学[M] .北京:高等教育出版社,1998. [28] 王洪泰,李占勇.常压下过热蒸汽干燥和热空气干燥能量利用的比较分析[J] .天津化工,2006,20(1):56-58. [29] 张绪坤,苏志伟,王学成,等.污泥过热蒸汽与热风薄层干燥的湿分扩散系数和活化能分析[J] .农业工程学报,2013,29(22):226-235. [30] ADAMSKI R,PAKOWSKI Z. Identification of effective diffusivities in anisotropic material of pine wood during drying with superheated steam[J] . Drying Technology,2013,31(3):264-268.
[31] SIAU J F.木材传热传质过程[M] .肖亦华,译.北京:中国林业出版社,1989. [32] SGHAIER J, JOMAA W, BELGHITH A. Superheated steam drying of a sphericalporous particle[J] . Journal of Porous Media,2008,11(7):633-646.
[33] DAURELLE J V,TOPIN F,OCCELLI R. Modeling of coupled heat and mass transfers with phase change in a porous medium: application to superheated steam drying[J] . Numerical Heat Transfer: Part A,1998,33:39-63.
[34] FYHR C,RASMUSON A. Mathematical model of steam drying of wood chips and other hygroscopic porous media[J] . Aiche Journal,1996,42(9):2491-2502.
[35] FYHR C,RASMUSON A. Some aspects of the modelling of wood chips drying in superheated steam[J] . International Journal of Heat Mass Transfer,1997,40(12):2825-2842.
[36] RASMUSON A,FYHR C. High temperature convective drying of wood chips with air and superheated steam [J] . International Journal of Heat Mass Transfer,1997,40(12):2843-2858.
[37] PANG S S. Some considerations in simulation of superheated steam drying of softwood lumber[J] . Drying Technology,1997,15(2):651-670.
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