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辽宁省DB21/T 3527-2021《饲用水稻秸秆打包机械操作规程》解读

2023-06-26 14:58:37 来源:农机网整理发布 阅读量:25292 评论

导读:该标准规定了水稻秸秆饲料化作业条件、作业准备、作业规范、作业质量、检测方法和安全要求。适用于饲用水稻秸秆打包作业。

  【农机网 政策与标准】2021年12月30日,辽宁省市场监督管理局批准发布DB21/T 3527-2021《饲用水稻秸秆打包机械操作规程》,该地方标准自2022年1月30日起实施。
 

  该标准由辽宁省农业农村厅提出并归口,由沈阳农业大学、抚顺市新宾县现代农业和生态产业发展中心、大连市现代农业生产发展服务中心、沈阳市现代农业研发服务中心、辽宁省农产品加工流通促进中心起草。该标准规定了水稻秸秆饲料化作业条件、作业准备、作业规范、作业质量、检测方法和安全要求。适用于饲用水稻秸秆打包作业。
 
  【作业条件】
 
  机具:
 
  秸秆打捆机打捆机选用符合 GB/T 14290 的规定。
 
  打包机:打包机选用符合 GB/T 37924 的规定。
 
  动力选择:参照标准DB21/T 2902合理选择配套动力机械。
 
  作业准备:原料和发酵剂
 
  原料:水稻收获后 1~5 日内的水稻秸秆,无发霉变质并去除泥土、石块等杂质。
 
  发酵剂:将红糖加入到水中煮沸,冷却至 30℃~40℃,再加入常用的秸秆降解剂搅拌均匀,密封 3 日待用。降解剂、糖、水三者质量比例为 1∶5∶50。
 
  机具安装与调试:
 
  各部件应连接紧固、可靠。
 
  各传动部件应转动灵活,无卡阻现象。
 
  调试后,进行不少于10 min的空运转试验,观察有无异常,运行平稳方可试作业。
 
  进行试作业,打包数不小于3包。当作业质量符合表1中的要求后即可投入正常作业。
 
  作业:
 
  接通动力,待秸秆喂入部件正常旋转后,将秸秆均匀喂入。
 
  喂入秸秆同时喷施发酵剂,根据喂入量、秸秆含水率调整喷施量。保证喷施发酵剂后含水率为
 
  50%~65%,每1Kg秸秆中施入0.12g~2.0g发酵剂。
 
  包膜机具作业按照GB/T 37924的要求执行。
 
  作业结束时,机具缓慢、匀速降低喂入量,先关闭发酵剂开关,再关闭动力。
 
  作业质量:作业质量应符合表1规定。

     【检测方法】
 
  成包率:按GB/T 37924要求进行检测。
 
  缠膜层数:在缠膜后的圆草捆圆柱体表面任意选取5点,用刀片将薄膜划开,查看此五处薄膜层数,最小薄膜层数即为捆包的缠膜层数。
 
  含水率:从草捆上、中、下截断面均匀取不少于100 g样品,立即称其质量,在105℃恒温下烘干5h后再称其质量,按公式(1)计算含水率。
 
  (1)式中:
 
  —含水率,%;
 
  —秸秆湿质量,单位为克(g);
 
  —秸秆干质量,单位为克(g)。
 
  安全要求:
 
  机具运行时,协同作业人员应与机具保持2m以上的安全距离。
 
  机具检修调试时应切断动力,使机具处于停转状态。
 
  储藏场所应保持通风,避免CH4可燃气体含量过高。
 
  操作人员应具有相应的资质,熟悉机具使用说明书,掌握安装、调试方法。
 
 
  注:本文由农机网(www.nongjx.com)整理发布,资料来源:地方标准信息公共服务平台。
 
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