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密集烤房非金属耐火材料供热设备的设计及烘烤效果

李俊业, 郑荣豪, 王晓宾, 邹韬韵, 周振超, 邓世媛, 陈建军

李俊业, 郑荣豪, 王晓宾, 邹韬韵, 周振超, 邓世媛, 陈建军. 密集烤房非金属耐火材料供热设备的设计及烘烤效果[J]. 华南农业大学学报, 2016, 37(6): 110-116. DOI: 10.7671/j.issn.1001-411X.2016.06.017
引用本文: 李俊业, 郑荣豪, 王晓宾, 邹韬韵, 周振超, 邓世媛, 陈建军. 密集烤房非金属耐火材料供热设备的设计及烘烤效果[J]. 华南农业大学学报, 2016, 37(6): 110-116. DOI: 10.7671/j.issn.1001-411X.2016.06.017
LI Junye, ZHENG Ronghao, WANG Xiaobin, ZOU Taoyun, ZHOU Zhenchao, DENG Shiyuan, CHEN Jianjun. Design of nonmetallic refractory heating equipment in bulk curing barn and its baking effects[J]. Journal of South China Agricultural University, 2016, 37(6): 110-116. DOI: 10.7671/j.issn.1001-411X.2016.06.017
Citation: LI Junye, ZHENG Ronghao, WANG Xiaobin, ZOU Taoyun, ZHOU Zhenchao, DENG Shiyuan, CHEN Jianjun. Design of nonmetallic refractory heating equipment in bulk curing barn and its baking effects[J]. Journal of South China Agricultural University, 2016, 37(6): 110-116. DOI: 10.7671/j.issn.1001-411X.2016.06.017

密集烤房非金属耐火材料供热设备的设计及烘烤效果

基金项目: 

广东省烟草专卖局项目 粤烟科[2011]28号

广东省烟草专卖局项目 粤烟科[2012]26号

广东省烟草专卖局项目 粤烟科[2014]1号

详细信息
    作者简介:

    李俊业(1990—),男,硕士,E-mail:595017113@qq.com

    通讯作者:

    陈建军(1965—),男,教授,博士,E-mail:chenjianjun@scau.edu.cn

  • 中图分类号: S226.6;S572

Design of nonmetallic refractory heating equipment in bulk curing barn and its baking effects

  • 摘要:
    目的 

    解决烤烟密集烤房418型换热器易腐蚀、使用寿命短等问题,优化密集烤房供热设备的结构和性能。

    方法 

    选用一种传导性优良的非金属耐火材料制作换热器,其结构为圆形横向双列管道,3层排布,同一纵向平面的3条换热管呈现S形连通,并配以一次性加煤方拱型火炉(炉盖为铸铁)。以金属供热设备为对照,研究密集烤房非金属材料供热设备的性能及烘烤效果。

    结果 

    空载下采用非金属材料供热设备密集烤房的升温速度(5.36 ℃·h-1)显著低于对照的(21.73 ℃·h-1),但降温速度(1.28 ℃·h-1)缓慢,表明其温度稳定性能好,在3个烘烤关键温度点(38、42、55 ℃)也呈现同样趋势;在烘烤过程中非金属材料供热设备密集烤房平面及垂直温差较小;与对照相比,中部叶、上部叶烘烤的综合热效率分别提高12.42%和6.74%,煤耗分别降低22.50%和15.13%,烤后每千克干烟均价分别提高0.84、0.20元,中上等烟比例高,节能提质效果显著。

    结论 

    试验采用传导性优良的非金属耐火材料制作的供热设备具有良好的烘烤性能,且耐腐蚀,可为烤烟密集烤房供热设备的更新提供依据。

    Abstract:
    Objective 

    To overcome the defects of 418-type heat interchanger in bulk curing barn, such as being susceptible to corrosion and having short service life, and to optimize the structure and performance of heating equipment in bulk curing barn.

    Method 

    A nonmetallic refractory material with high conductivity was choosen to make the heat interchanger. The heat interchanger was structured with three layers of circular horizontal dual pipelines and three heating interchange pipelines in the same vertical plane were connected by an S-shape connector. The heat interchanger was equipped with a squared and vaulted stove (with a cast iron cover)feeding disposable coal. Using bulk curing barn with metal heating equipments as the control, the performances and baking effects of the nonmetallic refractory heating equipment in bulk curing barn were studied.

    Result 

    The heating rate of bulk curing barn installed with the nonmetallic refractory heating equipment(5.36 ℃·h-1) was significantly lower than the control(21.73 ℃·h-1) without loading tobacco, while its cooling rate was slower than the control. The results showed that bulk curing barn installed with nonmetallic refractory heating equipment showed great temperature stability and the trends at three key point temperatures(38, 42, 55 ℃)were the same. Its plane and vertical temperature difference was less than the control during curing. Compared with the control, the heat efficiencies of baking the middle and upper tobacco leaves increased by 12.42% and 6.74%, the coal consumption rates reduced by 22.50% and 15.13%, the average prices of the dried tobacco leaves after curing increased by 0.84 and 0.20 yuan per kilogram respectively, the proportion of medium-high grade tobacco leaves increased, and the effects of energy saving and quality improving was obvious in the bulk curing barn with nonmetallic refractory heating equipment.

    Conclusion 

    The heating equipment made of nonmetallic refractory material with high conductivity has excellent baking performence and high corrosion resistant, and can be applied for heating equipment update in bulk curing barn.

  • 图  1   非金属耐火材料供热设备立体图

    Figure  1.   Stereogram of the nonmetallic refractory heating-equipment stereogram

    图  2   密集烤房中每棚测温点位置

    图中“●”为检测点所在位置。

    Figure  2.   The loci of temperature measuring points of each shed in bulk curing barn

    表  1   不同材料供热设备试验处理设计

    Table  1   Experimental treatments using heating equipments made with different materials

    下载: 导出CSV

    表  2   不同材料供热设备空载升温及稳温性能的比较1)

    Table  2   Comparison of heating performances and temperature stabilities of heating equipments made with different materials without loading

    下载: 导出CSV

    表  3   不同材料供热设备关键温度点稳温性能的比较

    Table  3   Comparison of temperature stabilities of heating equipment made with different materials at key point temperatures

    下载: 导出CSV

    表  4   不同材料烘烤设备烘烤平面温差的比较1)

    Table  4   Comparison of difference in curing plane temperatures of heating equipments made with different materials

    下载: 导出CSV

    表  5   不同材料烘烤设备烘烤垂直温差的比较1)

    Table  5   Comparison of difference in curing vertical temperatures of heating equipments made with different materials

    下载: 导出CSV

    表  6   不同材料供热设备综合热效率及烘烤能耗的比较1)

    Table  6   Comparison of heat efficiencies and energy consumptions of heating equipments made with different materials during curing

    下载: 导出CSV

    表  7   不同材料供热设备烤后烟叶经济性状的比较1)

    Table  7   Comparison of economic traits of tobacco leaves after curing of heating equipments made with different materials

    下载: 导出CSV
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出版历程
  • 收稿日期:  2016-01-16
  • 网络出版日期:  2023-05-17
  • 刊出日期:  2016-11-09

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