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大展“烘”图:《2019农业农村10项新装备》之农产品干燥机械

2019-12-20 16:27:45 来源:农机网原创 作者:四夕 阅读量:55199 评论

导读:一直以来,作为传统的农业大国,我国粮食干燥和仓储就普遍受到气候和场地的制约,传统做法是将粮食直接进行晾晒,存在干燥品质差、污染重、能耗高、智能低、运行成本大等问题。在收获期间遇上阴雨天气的话,更是不利于自然晾晒,给农民带来直接的利益损失。

  【农机网 科技创新】一直以来,作为传统的农业大国,我国粮食干燥和仓储就普遍受到气候和场地的制约,传统做法是将粮食直接进行晾晒,存在干燥品质差、污染重、能耗高、智能低、运行成本大等问题。在收获期间遇上阴雨天气的话,更是不利于自然晾晒,给农民带来直接的利益损失。
 
  粮食烘干作为粮食生产过程中的关键环节,是粮食处理的“后一公里”。而谷物干燥机械化技术则是以机械为主要手段,采用相应的工艺和技术措施,人为控制温度、湿度等因素,在不损害谷物品质的前提下,降低谷物含水率,使其达到国家安全贮存标准的干燥技术。提高粮食烘干机械化是符合我国农业现代化发展道路的,也是实施乡村振兴战略的重要组成部分。
 
  同时,随着土地规模化经营、新型农业经营主体逐年壮大,农机购置补贴政策利好等多重因素激发,我国粮食烘干市场前景广阔。近年来,我国农机行业发展进入深度调整期,全面推进农业生产全程机械化,农机需求向产前产后延伸,需求热点也开始向烘干类设备发展,粮食烘干机市场快速发展,逐渐成为农机行业重要增长点。
 
  中国农学会发布的《2019中国农业农村重大新技术、新产品和新装备》报告中的10项新装备,除了笔者之前在文章《关注<2019农业农村10项新装备>之养殖装备新成果》、《<2019农业农村10项新装备>之种植、农产品初加工设备新成果》中列举的几款产品以外,还包含了两款农产品干燥设备。
 
  高效节能粮食干燥关键技术及其成套设备
 
  由华南农业大学研发的高效节能粮食干燥关键技术及其成套设备,集机械、工艺技术、发展模式、水分实时在线监测与自适应控制技术于一体,形成了远红外→提质,提速→强化传热→引风→降压→局部闪蒸→降温提质→高活力干燥成套设备。
 
  该成果突破了干燥、自适应、控制、无尘无热、惯性、干燥和工艺系统评价等关键技术,成套装备产能较传统做法提高4倍以上;无热惯性技术与传统方式相比,粮温降低了9℃~11℃,干燥效率提高30%以上;无尘、无害化技术更是使得粉尘排放大幅度降低。适应稻谷、玉米、小麦、高粱、大豆、油菜等各类作物种子,为适应我国粮食产业一体化发展模式的迫切需求提供了装备技术支撑,进一步促进实现优质、高效、节能的干燥目标。
 
  太阳能双循环农产品干燥设备
 
  由农业农村部规划设计研究院研发的太阳能双循环农产品干燥设备,干燥系统集内循环和外循环于一体,采用太阳能集热加热空气方式对农产品进行干燥。
 
  该成果基于太阳能光热转换点与农产品干燥特性,突破多项技术难点,克服温室型太阳能干燥装置缺陷,实现了农产品干燥的安全、营养、低耗、节能、减污、高效。内外循环通道相互独立,能够根据需要实现内外循环独立进行或同时进行,不仅充分利用热能、节约能源,还能实现匀风干燥、有效保证产品的干燥品质;设有匀风室,确保进入干燥室的热风温度恒定和均匀,进一步提高干燥品质;采用一体式结构,有效降低占地空间和制造成本,节约设备投资。
 
  知识链接
 
  10项重大新技术
 

 
  10项新产品
 
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