新型白肋烟晾制干筋辅助加温设施的设计

闁诲孩绋掗〃鍛般亹閸ф鏅柨鐕傛嫹婵犮垼顔愰幏锟�  婵炴垶鎼幏锟�  闁诲繐楠忛幏锟�


  摘要:通过比较新型白肋烟晾制干筋辅助加温设施(干烟房)与“89”式标准晾房中进行白肋烟干筋处理对白肋烟产量、质量及效益的影响,研究干烟房的干筋效果。结果表明,干烟房可有效控制干筋期的温湿度,减少了因干筋期低温高湿引起的烟叶霉烂现象,与“89”式标准晾房处理相比,平均减少晾房占地面积15 m2,白肋烟干筋时间缩短20.1 d,白肋烟产量提高14.2%,产值增加469.25元/667 m2,收入增加516.84元/667 m2,平纯收入增加263.26元/667 m2,烟叶均价增加1.26元/kg,上等烟比例增加3.96个百分点,中等烟比例增加1.6个百分点,中部烟叶评析得分增加2.5分,上部烟叶评析得分增加1分。干烟房干筋可以提高白肋烟的产量和质量,缩短晾制时间,大幅度减少晾棚占地面积,有利于白肋烟生产的规模化经营及推进白肋烟产区现代烟草农业建设。
  关键词:白肋烟;调制;干筋期;温湿度调控
  中图分类号:S572 文献标识码:A 文章编号:0439-8114(2015)24-6389-05
  DOI:10.14088/j.cnki.issn0439-8114.2015.24.077
  Abstract:To study the effects of stem-drying in tobacco-drying room, the influences of stem-drying treatment on the burley tobacco production, quality and efficiency between in new air-curing, stem-drying room with heating facility (tobacco-drying room) and in normal“89” drying room were compared. The results showed that: using tobacco-drying room could effectively control the temperature and humidity during stem-drying treatment, and reduced the mildew and rot of tobacco leaf caused by low temperature and high humidity. Compared with treatment in normal “89” drying room, it could averagely cut down the area of drying-room by 15 m2, shortened the stem-drying time by 20.1 days, increased the burley tobacco yield by 14.2%, the output value by 469.25 yuan per 667 m2, the income by 516.84 yuan per 667 m2, the average net income by 263.26 yuan per 667 m2, the average price by 1.26 yuan/kg, fine tobacco ratio by 3.96%, medium tobacco ratio by 1.6%, the smoking test results of central tobacco leaf by 2.5 points, the comment score of upper tobacco leaf by 1 point. Visibly, stem-drying treatment in tobacco-drying room could improve the yield and quality of burley tobacco, shorten air-curing time, significantly reduce the air-curing area, it was conducive to the scale production of burley tobacco and promote the construction of modern tobacco agriculture.
  Key words: burley tobacco; air-curing; stem-drying stage; temperature and humidity control
  白肋烟多采用半整株晾制,烟株体积大,占用空间多,而我国所建的标准晾房密封性差,晾房内的温湿度可控性差。在我国白肋烟生产实践中,由于高海拔烟区低温高湿,晾制环节经常会出现棚烂现象[1],产生大量霉烂烟,正常年份霉烂烟一般超过15%,如遇到多雨年份,霉烂烟所占比例会更大,给烟草公司和烟农造成很大损失。由于目前高海拔地区已经成为白肋烟的主产区,每年因此发生的损失十分巨大。中国烟草白肋烟试验站主持研究了在标准晾房内修建辅助升温设施[2],在一定程度上解决了上述问题,但由于晾房密封性差,温湿度可控性低,尽管减少了烂烟损失,提高了烟叶产量,但是消耗燃料多,晾制成本增加较大,不利于大面积推广,同时白肋烟的规模化生产也有一定的难度。
  本试验通过研究白肋烟调制干筋期调制温湿度控制设施,增加白肋烟增温排湿性能,避免了白肋烟干筋期棚烂损失,提高了白肋烟质量,缩短了干筋期时间及减少了晾房占地面积和劳务用工,有利于提高白肋烟生产的规模化经营程度及推进白肋烟产区现代烟草农业建设。
  1 材料与方法
  1.1 试验地点与材料
  供试地点为长阳土家族自治县贺家坪镇堡镇村二组,海拔1 300 m。品种为鄂烟3号,晾房为在烟叶变黄期和变褐期使用“89”式标准晾房,干筋期使用本试验设计的晾烟辅助加温设施(以下简称干烟房)。
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